Blame - llvm/autoconf/configure.ac - toolchain/llvm-project

blob: a0a0a218f003ca5e3c87ab48e63c83c83dc78339 [file] [log] [blame]

Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1	dnl === configure.ac --------------------------------------------------------===
				2	dnl The LLVM Compiler Infrastructure
				3	dnl
Chris Lattner	6787a45	2007-12-29 22:59:10 +0000	[diff] [blame]	4	dnl This file is distributed under the University of Illinois Open Source
				5	dnl License. See LICENSE.TXT for details.
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	6	dnl
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	7	dnl===-----------------------------------------------------------------------===
				8	dnl This is the LLVM configuration script. It is processed by the autoconf
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	9	dnl program to produce a script named configure. This script contains the
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	10	dnl configuration checks that LLVM needs in order to support multiple platforms.
				11	dnl This file is composed of 10 sections per the recommended organization of
				12	dnl autoconf input defined in the autoconf documentation. As this file evolves,
				13	dnl please keep the various types of checks within their sections. The sections
				14	dnl are as follows:
				15	dnl
				16	dnl SECTION 1: Initialization & Setup
				17	dnl SECTION 2: Architecture, target, and host checks
				18	dnl SECTION 3: Command line arguments for the configure script.
				19	dnl SECTION 4: Check for programs we need and that they are the right version
				20	dnl SECTION 5: Check for libraries
				21	dnl SECTION 6: Check for header files
				22	dnl SECTION 7: Check for types and structures
				23	dnl SECTION 8: Check for specific functions needed
				24	dnl SECTION 9: Additional checks, variables, etc.
				25	dnl SECTION 10: Specify the output files and generate it
				26	dnl
				27	dnl===-----------------------------------------------------------------------===
				28	dnl===
				29	dnl=== SECTION 1: Initialization & Setup
				30	dnl===
				31	dnl===-----------------------------------------------------------------------===
				32	dnl Initialize autoconf and define the package name, version number and
Dylan Noblesmith	67c4970	2011-12-18 18:50:16 +0000	[diff] [blame]	33	dnl address for reporting bugs.
Tom Stellard	e6ba81d	2014-03-03 15:22:00 +0000	[diff] [blame]	34
Hans Wennborg	d94a5f0	2015-01-14 17:38:03 +0000	[diff] [blame]	35	AC_INIT([LLVM],[3.7.0svn],[http://llvm.org/bugs/])
Tom Stellard	e6ba81d	2014-03-03 15:22:00 +0000	[diff] [blame]	36
				37	LLVM_VERSION_MAJOR=3
Hans Wennborg	d94a5f0	2015-01-14 17:38:03 +0000	[diff] [blame]	38	LLVM_VERSION_MINOR=7
Tom Stellard	e6ba81d	2014-03-03 15:22:00 +0000	[diff] [blame]	39	LLVM_VERSION_PATCH=0
				40	LLVM_VERSION_SUFFIX=svn
				41
				42	AC_DEFINE_UNQUOTED([LLVM_VERSION_MAJOR], $LLVM_VERSION_MAJOR, [Major version of the LLVM API])
				43	AC_DEFINE_UNQUOTED([LLVM_VERSION_MINOR], $LLVM_VERSION_MINOR, [Minor version of the LLVM API])
				44	AC_DEFINE_UNQUOTED([LLVM_VERSION_PATCH], $LLVM_VERSION_PATCH, [Patch version of the LLVM API])
Peter Collingbourne	a8ed79a	2014-11-19 03:34:17 +0000	[diff] [blame]	45	AC_DEFINE_UNQUOTED([LLVM_VERSION_STRING], "$PACKAGE_VERSION", [LLVM version string])
Tom Stellard	e6ba81d	2014-03-03 15:22:00 +0000	[diff] [blame]	46
				47	AC_SUBST([LLVM_VERSION_MAJOR])
				48	AC_SUBST([LLVM_VERSION_MINOR])
				49	AC_SUBST([LLVM_VERSION_PATCH])
				50	AC_SUBST([LLVM_VERSION_SUFFIX])
John Criswell	7a3334d	2003-07-22 19:13:20 +0000	[diff] [blame]	51
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	52	dnl Provide a copyright substitution and ensure the copyright notice is included
				53	dnl in the output of --version option of the generated configure script.
Eric Christopher	a1bafae	2015-03-12 01:25:29 +0000	[diff] [blame]	54	AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2015 University of Illinois at Urbana-Champaign."])
				55	AC_COPYRIGHT([Copyright (c) 2003-2015 University of Illinois at Urbana-Champaign.])
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	56
Eric Christopher	b9a1132	2011-09-23 00:53:10 +0000	[diff] [blame]	57	dnl Indicate that we require autoconf 2.60 or later.
				58	AC_PREREQ(2.60)
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	59
				60	dnl Verify that the source directory is valid. This makes sure that we are
				61	dnl configuring LLVM and not some other package (it validates --srcdir argument)
Chandler Carruth	fbdae1f	2013-01-02 09:22:59 +0000	[diff] [blame]	62	AC_CONFIG_SRCDIR([lib/IR/Module.cpp])
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	63
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	64	dnl Place all of the extra autoconf files into the config subdirectory. Tell
				65	dnl various tools where the m4 autoconf macros are.
John Criswell	7a3334d	2003-07-22 19:13:20 +0000	[diff] [blame]	66	AC_CONFIG_AUX_DIR([autoconf])
				67
John Criswell	22107a7	2003-09-15 17:04:06 +0000	[diff] [blame]	68	dnl Quit if the source directory has already been configured.
John Criswell	f6778b6	2003-09-15 17:19:42 +0000	[diff] [blame]	69	dnl NOTE: This relies upon undocumented autoconf behavior.
Reid Spencer	2024d0e	2004-09-19 23:43:52 +0000	[diff] [blame]	70	if test ${srcdir} != "." ; then
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	71	if test -f ${srcdir}/include/llvm/Config/config.h ; then
				72	AC_MSG_ERROR([Already configured in ${srcdir}])
				73	fi
John Criswell	22107a7	2003-09-15 17:04:06 +0000	[diff] [blame]	74	fi
				75
Jonathan Roelofs	949d55d	2015-05-04 02:04:54 +0000	[diff] [blame]	76	dnl Quit if it is an in-source build
				77	if test ${srcdir} == "." ; then
				78	AC_MSG_WARN([**************************************************************************************])
				79	AC_MSG_WARN([* *])
				80	AC_MSG_WARN([* WARNING *])
				81	AC_MSG_WARN([* *])
				82	AC_MSG_WARN([* In-source builds are deprecated. *])
				83	AC_MSG_WARN([* *])
				84	AC_MSG_WARN([* Please configure from a separate build directory! *])
				85	AC_MSG_WARN([* *])
				86	AC_MSG_WARN([**************************************************************************************])
				87	fi
				88
Patrik Hagglund	d91ae4d	2013-02-04 08:15:53 +0000	[diff] [blame]	89	dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS,
				90	dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc).
Patrik Hagglund	9857847	2013-09-24 11:38:45 +0000	[diff] [blame]	91	: ${CFLAGS=}
				92	: ${CXXFLAGS=}
Patrik Hagglund	d91ae4d	2013-02-04 08:15:53 +0000	[diff] [blame]	93
Eric Christopher	5883971	2011-09-16 20:36:25 +0000	[diff] [blame]	94	dnl We need to check for the compiler up here to avoid anything else
				95	dnl starting with a different one.
Chandler Carruth	b4dd3c6	2014-01-14 03:46:00 +0000	[diff] [blame]	96	AC_PROG_CC(clang gcc)
				97	AC_PROG_CXX(clang++ g++)
Eric Christopher	5883971	2011-09-16 20:36:25 +0000	[diff] [blame]	98	AC_PROG_CPP
				99
Dmitri Gribenko	06358bd	2013-01-09 15:25:30 +0000	[diff] [blame]	100	dnl If CXX is Clang, check that it can find and parse C++ standard library
				101	dnl headers.
				102	if test "$CXX" = "clang++" ; then
				103	AC_MSG_CHECKING([whether clang works])
				104	AC_LANG_PUSH([C++])
				105	dnl Note that space between 'include' and '(' is required. There's a broken
				106	dnl regex in aclocal that otherwise will think that we call m4's include
				107	dnl builtin.
				108	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <limits>
				109	#if __has_include (<cxxabi.h>)
				110	#include <cxxabi.h>
				111	#endif
				112	#if __has_include (<unwind.h>)
				113	#include <unwind.h>
				114	#endif
				115	]])],
				116	[
				117	AC_MSG_RESULT([yes])
				118	],
				119	[
				120	AC_MSG_RESULT([no])
Jonathan Roelofs	cf1ba1d	2015-04-29 20:06:41 +0000	[diff] [blame]	121	AC_MSG_ERROR([Selected compiler could not find or parse C++ standard library headers. Rerun with CC=c-compiler CXX=c++-compiler LLVM_SRC_DIR/configure ...])
Dmitri Gribenko	06358bd	2013-01-09 15:25:30 +0000	[diff] [blame]	122	])
				123	AC_LANG_POP([C++])
				124	fi
				125
Chandler Carruth	75a6545	2014-01-14 05:02:38 +0000	[diff] [blame]	126	dnl Set up variables that track whether the host compiler is GCC or Clang where
				127	dnl we can effectively sanity check them. We don't try to sanity check all the
				128	dnl other possible compilers.
				129	AC_MSG_CHECKING([whether GCC or Clang is our host compiler])
				130	AC_LANG_PUSH([C++])
				131	llvm_cv_cxx_compiler=unknown
Chandler Carruth	f8c6ccf	2014-01-15 10:31:15 +0000	[diff] [blame]	132	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __clang__
				133	#error
				134	#endif
				135	]])],
Chandler Carruth	75a6545	2014-01-14 05:02:38 +0000	[diff] [blame]	136	llvm_cv_cxx_compiler=clang,
Chandler Carruth	f8c6ccf	2014-01-15 10:31:15 +0000	[diff] [blame]	137	[AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __GNUC__
				138	#error
				139	#endif
				140	]])],
Chandler Carruth	75a6545	2014-01-14 05:02:38 +0000	[diff] [blame]	141	llvm_cv_cxx_compiler=gcc, [])])
				142	AC_LANG_POP([C++])
				143	AC_MSG_RESULT([${llvm_cv_cxx_compiler}])
				144
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	145	dnl Configure all of the projects present in our source tree. While we could
				146	dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
				147	dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
				148	dnl Instead we match on the known projects.
John Criswell	f369e77	2010-03-19 21:31:39 +0000	[diff] [blame]	149
				150	dnl
				151	dnl One tricky part of doing this is that some projects depend upon other
				152	dnl projects. For example, several projects rely upon the LLVM test suite.
				153	dnl We want to configure those projects first so that their object trees are
				154	dnl created before running the configure scripts of projects that depend upon
				155	dnl them.
				156	dnl
				157
John Criswell	f369e77	2010-03-19 21:31:39 +0000	[diff] [blame]	158	dnl Several projects use the LLVM test suite, so configure it next.
				159	if test -d ${srcdir}/projects/test-suite ; then
				160	AC_CONFIG_SUBDIRS([projects/test-suite])
				161	fi
				162
				163	dnl llvm-test is the old name of the test-suite, kept here for backwards
				164	dnl compatibility
				165	if test -d ${srcdir}/projects/llvm-test ; then
				166	AC_CONFIG_SUBDIRS([projects/llvm-test])
				167	fi
				168
				169	dnl Some projects use poolalloc; configure that next
				170	if test -d ${srcdir}/projects/poolalloc ; then
				171	AC_CONFIG_SUBDIRS([projects/poolalloc])
				172	fi
				173
				174	if test -d ${srcdir}/projects/llvm-poolalloc ; then
				175	AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
				176	fi
				177
				178	dnl Check for all other projects
John Criswell	297baed	2003-11-25 20:36:46 +0000	[diff] [blame]	179	for i in `ls ${srcdir}/projects`
				180	do
Reid Spencer	90de7fb	2004-09-07 16:26:18 +0000	[diff] [blame]	181	if test -d ${srcdir}/projects/${i} ; then
				182	case ${i} in
John Criswell	4d377d8	2010-02-25 22:57:19 +0000	[diff] [blame]	183	safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
Daniel Dunbar	7ce849d	2011-12-07 22:07:03 +0000	[diff] [blame]	184	compiler-rt) ;;
John Criswell	4e61b25	2010-03-25 13:59:09 +0000	[diff] [blame]	185	test-suite) ;;
				186	llvm-test) ;;
				187	poolalloc) ;;
				188	llvm-poolalloc) ;;
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	189	*)
Alkis Evlogimenos	2622728	2004-09-27 07:35:19 +0000	[diff] [blame]	190	AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
Reid Spencer	c6f9e0f	2004-09-21 17:12:35 +0000	[diff] [blame]	191	;;
Reid Spencer	90de7fb	2004-09-07 16:26:18 +0000	[diff] [blame]	192	esac
John Criswell	297baed	2003-11-25 20:36:46 +0000	[diff] [blame]	193	fi
				194	done
John Criswell	ee7ebdc	2003-09-30 16:31:48 +0000	[diff] [blame]	195
Tobias Grosser	ea9dca4	2010-10-30 00:54:26 +0000	[diff] [blame]	196	dnl Disable the build of polly, even if it is checked out into tools/polly.
				197	AC_ARG_ENABLE(polly,
				198	AS_HELP_STRING([--enable-polly],
				199	[Use polly if available (default is YES)]),,
				200	enableval=default)
				201	case "$enableval" in
				202	yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
				203	no) AC_SUBST(ENABLE_POLLY,[0]) ;;
				204	default) AC_SUBST(ENABLE_POLLY,[1]) ;;
				205	*) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
				206	esac
				207
				208
				209	dnl Check if polly is checked out into tools/polly and configure it if
				210	dnl available.
				211	if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
				212	AC_SUBST(LLVM_HAS_POLLY,1)
				213	AC_CONFIG_SUBDIRS([tools/polly])
				214	fi
				215
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	216	dnl===-----------------------------------------------------------------------===
				217	dnl===
				218	dnl=== SECTION 2: Architecture, target, and host checks
				219	dnl===
				220	dnl===-----------------------------------------------------------------------===
John Criswell	9537b04	2004-07-23 15:40:57 +0000	[diff] [blame]	221
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	222	dnl Check the target for which we're compiling and the host that will do the
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	223	dnl compilations. This will tell us which LLVM compiler will be used for
				224	dnl compiling SSA into object code. This needs to be done early because
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	225	dnl following tests depend on it.
John Criswell	7a3334d	2003-07-22 19:13:20 +0000	[diff] [blame]	226	AC_CANONICAL_TARGET
				227
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	228	dnl Determine the platform type and cache its value. This helps us configure
				229	dnl the System library to the correct build platform.
Reid Spencer	0aa9d00	2006-07-26 21:14:56 +0000	[diff] [blame]	230	AC_CACHE_CHECK([type of operating system we're going to host on],
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	231	[llvm_cv_os_type],
Reid Spencer	0aa9d00	2006-07-26 21:14:56 +0000	[diff] [blame]	232	[case $host in
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	233	--aix*)
Reid Spencer	0b52e2f	2006-08-04 18:18:08 +0000	[diff] [blame]	234	llvm_cv_link_all_option="-Wl,--whole-archive"
				235	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	236	llvm_cv_os_type="AIX"
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	237	llvm_cv_platform_type="Unix" ;;
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	238	--irix*)
Reid Spencer	e9a4056	2006-08-22 22:21:38 +0000	[diff] [blame]	239	llvm_cv_link_all_option="-Wl,--whole-archive"
				240	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	241	llvm_cv_os_type="IRIX"
Reid Spencer	e9a4056	2006-08-22 22:21:38 +0000	[diff] [blame]	242	llvm_cv_platform_type="Unix" ;;
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	243	--cygwin*)
Reid Spencer	0b52e2f	2006-08-04 18:18:08 +0000	[diff] [blame]	244	llvm_cv_link_all_option="-Wl,--whole-archive"
				245	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	246	llvm_cv_os_type="Cygwin"
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	247	llvm_cv_platform_type="Unix" ;;
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	248	--darwin*)
Reid Spencer	0b52e2f	2006-08-04 18:18:08 +0000	[diff] [blame]	249	llvm_cv_link_all_option="-Wl,-all_load"
Chris Lattner	42e35d4	2008-02-05 19:43:40 +0000	[diff] [blame]	250	llvm_cv_no_link_all_option="-Wl,-noall_load"
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	251	llvm_cv_os_type="Darwin"
				252	llvm_cv_platform_type="Unix" ;;
Chris Lattner	c86cdc7	2010-04-09 20:45:04 +0000	[diff] [blame]	253	--minix*)
				254	llvm_cv_link_all_option="-Wl,-all_load"
				255	llvm_cv_no_link_all_option="-Wl,-noall_load"
				256	llvm_cv_os_type="Minix"
				257	llvm_cv_platform_type="Unix" ;;
Sylvestre Ledru	93a491b	2013-07-01 08:07:52 +0000	[diff] [blame]	258	--freebsd*)
Reid Spencer	0b52e2f	2006-08-04 18:18:08 +0000	[diff] [blame]	259	llvm_cv_link_all_option="-Wl,--whole-archive"
				260	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	261	llvm_cv_os_type="FreeBSD"
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	262	llvm_cv_platform_type="Unix" ;;
Sylvestre Ledru	93a491b	2013-07-01 08:07:52 +0000	[diff] [blame]	263	--kfreebsd-gnu)
				264	llvm_cv_link_all_option="-Wl,--whole-archive"
				265	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
				266	llvm_cv_os_type="GNU/kFreeBSD"
				267	llvm_cv_platform_type="Unix" ;;
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	268	--openbsd*)
Reid Spencer	0b52e2f	2006-08-04 18:18:08 +0000	[diff] [blame]	269	llvm_cv_link_all_option="-Wl,--whole-archive"
				270	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	271	llvm_cv_os_type="OpenBSD"
Reid Spencer	48b9203	2006-04-19 23:47:16 +0000	[diff] [blame]	272	llvm_cv_platform_type="Unix" ;;
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	273	--netbsd*)
Reid Spencer	78adb9d	2007-01-20 20:43:35 +0000	[diff] [blame]	274	llvm_cv_link_all_option="-Wl,--whole-archive"
				275	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	276	llvm_cv_os_type="NetBSD"
Reid Spencer	78adb9d	2007-01-20 20:43:35 +0000	[diff] [blame]	277	llvm_cv_platform_type="Unix" ;;
Matthijs Kooijman	f61fd54	2008-06-26 10:36:58 +0000	[diff] [blame]	278	--dragonfly*)
				279	llvm_cv_link_all_option="-Wl,--whole-archive"
				280	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
				281	llvm_cv_os_type="DragonFly"
				282	llvm_cv_platform_type="Unix" ;;
Eric Christopher	83f8824	2015-02-26 19:46:32 +0000	[diff] [blame]	283	--bitrig*)
				284	llvm_cv_link_all_option="-Wl,--whole-archive"
				285	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
				286	llvm_cv_os_type="Bitrig"
				287	llvm_cv_platform_type="Unix" ;;
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	288	--hpux*)
Reid Spencer	0b52e2f	2006-08-04 18:18:08 +0000	[diff] [blame]	289	llvm_cv_link_all_option="-Wl,--whole-archive"
				290	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	291	llvm_cv_os_type="HP-UX"
Duraid Madina	5ea2ba8	2005-05-16 05:39:00 +0000	[diff] [blame]	292	llvm_cv_platform_type="Unix" ;;
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	293	--interix*)
Reid Spencer	0b52e2f	2006-08-04 18:18:08 +0000	[diff] [blame]	294	llvm_cv_link_all_option="-Wl,--whole-archive"
				295	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	296	llvm_cv_os_type="Interix"
				297	llvm_cv_platform_type="Unix" ;;
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	298	--linux*)
Reid Spencer	0b52e2f	2006-08-04 18:18:08 +0000	[diff] [blame]	299	llvm_cv_link_all_option="-Wl,--whole-archive"
				300	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	301	llvm_cv_os_type="Linux"
				302	llvm_cv_platform_type="Unix" ;;
Rafael Espindola	4977edd	2011-12-22 14:01:18 +0000	[diff] [blame]	303	--gnu*)
				304	llvm_cv_link_all_option="-Wl,--whole-archive"
				305	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
				306	llvm_cv_os_type="GNU"
				307	llvm_cv_platform_type="Unix" ;;
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	308	--solaris*)
Reid Spencer	0b52e2f	2006-08-04 18:18:08 +0000	[diff] [blame]	309	llvm_cv_link_all_option="-Wl,-z,allextract"
				310	llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	311	llvm_cv_os_type="SunOS"
				312	llvm_cv_platform_type="Unix" ;;
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	313	--win32*)
Reid Spencer	0b52e2f	2006-08-04 18:18:08 +0000	[diff] [blame]	314	llvm_cv_link_all_option="-Wl,--whole-archive"
				315	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	316	llvm_cv_os_type="Win32"
				317	llvm_cv_platform_type="Win32" ;;
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	318	--mingw*)
Reid Spencer	0b52e2f	2006-08-04 18:18:08 +0000	[diff] [blame]	319	llvm_cv_link_all_option="-Wl,--whole-archive"
				320	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	321	llvm_cv_os_type="MingW"
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	322	llvm_cv_platform_type="Win32" ;;
Edward O'Callaghan	8227b05	2009-10-12 04:57:20 +0000	[diff] [blame]	323	--haiku*)
				324	llvm_cv_link_all_option="-Wl,--whole-archive"
				325	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
				326	llvm_cv_os_type="Haiku"
Eric Christopher	b3762a0	2010-03-02 05:17:21 +0000	[diff] [blame]	327	llvm_cv_platform_type="Unix" ;;
Anton Korobeynikov	90e17e7	2009-08-18 00:40:33 +0000	[diff] [blame]	328	-unknown-eabi)
				329	llvm_cv_link_all_option="-Wl,--whole-archive"
				330	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
				331	llvm_cv_os_type="Freestanding"
				332	llvm_cv_platform_type="Unix" ;;
				333	-unknown-elf)
				334	llvm_cv_link_all_option="-Wl,--whole-archive"
				335	llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
				336	llvm_cv_os_type="Freestanding"
				337	llvm_cv_platform_type="Unix" ;;
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	338	*)
				339	llvm_cv_link_all_option=""
Reid Spencer	0b52e2f	2006-08-04 18:18:08 +0000	[diff] [blame]	340	llvm_cv_no_link_all_option=""
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	341	llvm_cv_os_type="Unknown"
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	342	llvm_cv_platform_type="Unknown" ;;
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	343	esac])
John Criswell	7a3334d	2003-07-22 19:13:20 +0000	[diff] [blame]	344
Anton Korobeynikov	90e17e7	2009-08-18 00:40:33 +0000	[diff] [blame]	345	AC_CACHE_CHECK([type of operating system we're going to target],
				346	[llvm_cv_target_os_type],
				347	[case $target in
				348	--aix*)
				349	llvm_cv_target_os_type="AIX" ;;
				350	--irix*)
				351	llvm_cv_target_os_type="IRIX" ;;
				352	--cygwin*)
				353	llvm_cv_target_os_type="Cygwin" ;;
				354	--darwin*)
				355	llvm_cv_target_os_type="Darwin" ;;
Chris Lattner	c86cdc7	2010-04-09 20:45:04 +0000	[diff] [blame]	356	--minix*)
				357	llvm_cv_target_os_type="Minix" ;;
Sylvestre Ledru	93a491b	2013-07-01 08:07:52 +0000	[diff] [blame]	358	--freebsd*)
Anton Korobeynikov	90e17e7	2009-08-18 00:40:33 +0000	[diff] [blame]	359	llvm_cv_target_os_type="FreeBSD" ;;
Sylvestre Ledru	93a491b	2013-07-01 08:07:52 +0000	[diff] [blame]	360	--kfreebsd-gnu)
				361	llvm_cv_target_os_type="GNU/kFreeBSD" ;;
Anton Korobeynikov	90e17e7	2009-08-18 00:40:33 +0000	[diff] [blame]	362	--openbsd*)
				363	llvm_cv_target_os_type="OpenBSD" ;;
				364	--netbsd*)
				365	llvm_cv_target_os_type="NetBSD" ;;
				366	--dragonfly*)
				367	llvm_cv_target_os_type="DragonFly" ;;
Eric Christopher	83f8824	2015-02-26 19:46:32 +0000	[diff] [blame]	368	--bitrig*)
				369	llvm_cv_target_os_type="Bitrig" ;;
Anton Korobeynikov	90e17e7	2009-08-18 00:40:33 +0000	[diff] [blame]	370	--hpux*)
				371	llvm_cv_target_os_type="HP-UX" ;;
				372	--interix*)
				373	llvm_cv_target_os_type="Interix" ;;
				374	--linux*)
				375	llvm_cv_target_os_type="Linux" ;;
Sylvestre Ledru	e8235fe	2012-04-05 19:34:15 +0000	[diff] [blame]	376	--gnu*)
				377	llvm_cv_target_os_type="GNU" ;;
Anton Korobeynikov	90e17e7	2009-08-18 00:40:33 +0000	[diff] [blame]	378	--solaris*)
				379	llvm_cv_target_os_type="SunOS" ;;
				380	--win32*)
				381	llvm_cv_target_os_type="Win32" ;;
				382	--mingw*)
				383	llvm_cv_target_os_type="MingW" ;;
Edward O'Callaghan	8227b05	2009-10-12 04:57:20 +0000	[diff] [blame]	384	--haiku*)
Eric Christopher	b3762a0	2010-03-02 05:17:21 +0000	[diff] [blame]	385	llvm_cv_target_os_type="Haiku" ;;
Douglas Gregor	de3c926	2011-07-01 22:41:06 +0000	[diff] [blame]	386	--rtems*)
				387	llvm_cv_target_os_type="RTEMS" ;;
Ivan Krasin	44306e2	2011-08-18 22:54:21 +0000	[diff] [blame]	388	--nacl*)
				389	llvm_cv_target_os_type="NativeClient" ;;
Anton Korobeynikov	90e17e7	2009-08-18 00:40:33 +0000	[diff] [blame]	390	-unknown-eabi)
				391	llvm_cv_target_os_type="Freestanding" ;;
Alex Rosenberg	9346067	2015-01-26 15:25:05 +0000	[diff] [blame]	392	--ps4)
				393	llvm_cv_target_os_type="PS4" ;;
Anton Korobeynikov	90e17e7	2009-08-18 00:40:33 +0000	[diff] [blame]	394	*)
				395	llvm_cv_target_os_type="Unknown" ;;
				396	esac])
				397
Reid Spencer	1daffa5	2004-08-31 01:34:10 +0000	[diff] [blame]	398	dnl Make sure we aren't attempting to configure for an unknown system
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	399	if test "$llvm_cv_os_type" = "Unknown" ; then
				400	AC_MSG_ERROR([Operating system is unknown, configure can't continue])
Reid Spencer	1daffa5	2004-08-31 01:34:10 +0000	[diff] [blame]	401	fi
				402
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	403	dnl Set the "OS" Makefile variable based on the platform type so the
				404	dnl makefile can configure itself to specific build hosts
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	405	AC_SUBST(OS,$llvm_cv_os_type)
Anton Korobeynikov	90e17e7	2009-08-18 00:40:33 +0000	[diff] [blame]	406	AC_SUBST(HOST_OS,$llvm_cv_os_type)
				407	AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	408
Reid Spencer	0b52e2f	2006-08-04 18:18:08 +0000	[diff] [blame]	409	dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
				410	AC_SUBST(LINKALL,$llvm_cv_link_all_option)
				411	AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
				412
Dan Gohman	a3ed071	2010-08-04 16:48:36 +0000	[diff] [blame]	413	dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
Michael J. Spencer	447762d	2010-11-29 18:16:10 +0000	[diff] [blame]	414	dnl This is used by lib/Support to determine the basic kind of implementation
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	415	dnl to use.
				416	case $llvm_cv_platform_type in
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	417	Unix)
				418	AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
Reid Spencer	d7287e0	2004-12-31 22:54:28 +0000	[diff] [blame]	419	AC_SUBST(LLVM_ON_UNIX,[1])
				420	AC_SUBST(LLVM_ON_WIN32,[0])
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	421	;;
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	422	Win32)
				423	AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
Reid Spencer	d7287e0	2004-12-31 22:54:28 +0000	[diff] [blame]	424	AC_SUBST(LLVM_ON_UNIX,[0])
				425	AC_SUBST(LLVM_ON_WIN32,[1])
Reid Spencer	d3d6d9d	2004-12-24 06:29:05 +0000	[diff] [blame]	426	;;
				427	esac
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	428
John Criswell	7a3334d	2003-07-22 19:13:20 +0000	[diff] [blame]	429	dnl Determine what our target architecture is and configure accordingly.
				430	dnl This will allow Makefiles to make a distinction between the hardware and
				431	dnl the OS.
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	432	AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
				433	[case $target in
Reid Spencer	0a54a58	2004-12-23 21:08:52 +0000	[diff] [blame]	434	i?86-*) llvm_cv_target_arch="x86" ;;
Reid Spencer	78d9e87	2004-12-28 07:56:14 +0000	[diff] [blame]	435	amd64-* \| x86_64-*) llvm_cv_target_arch="x86_64" ;;
Reid Spencer	0a54a58	2004-12-23 21:08:52 +0000	[diff] [blame]	436	sparc-) llvm_cv_target_arch="Sparc" ;;
				437	powerpc-) llvm_cv_target_arch="PowerPC" ;;
Tim Northover	3b0846e	2014-05-24 12:50:23 +0000	[diff] [blame]	438	arm64-) llvm_cv_target_arch="AArch64" ;;
Nick Lewycky	13590cb	2009-04-18 18:11:26 +0000	[diff] [blame]	439	arm-) llvm_cv_target_arch="ARM" ;;
Tim Northover	3b0846e	2014-05-24 12:50:23 +0000	[diff] [blame]	440	aarch64-) llvm_cv_target_arch="AArch64" ;;
Simon Atanasyan	c2cccd7	2012-10-29 19:49:45 +0000	[diff] [blame]	441	mips-* \| mips64-*) llvm_cv_target_arch="Mips" ;;
				442	mipsel-* \| mips64el-*) llvm_cv_target_arch="Mips" ;;
Richard Osborne	ca08e06	2008-11-07 10:59:00 +0000	[diff] [blame]	443	xcore-*) llvm_cv_target_arch="XCore" ;;
Anton Korobeynikov	1013800	2009-05-03 12:57:15 +0000	[diff] [blame]	444	msp430-*) llvm_cv_target_arch="MSP430" ;;
Tony Linthicum	1213a7a	2011-12-12 21:14:40 +0000	[diff] [blame]	445	hexagon-*) llvm_cv_target_arch="Hexagon" ;;
Justin Holewinski	ae556d3	2012-05-04 20:18:50 +0000	[diff] [blame]	446	nvptx-*) llvm_cv_target_arch="NVPTX" ;;
Ulrich Weigand	1ceebf6	2013-05-06 16:22:34 +0000	[diff] [blame]	447	s390x-*) llvm_cv_target_arch="SystemZ" ;;
Reid Spencer	0a54a58	2004-12-23 21:08:52 +0000	[diff] [blame]	448	*) llvm_cv_target_arch="Unknown" ;;
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	449	esac])
John Criswell	7a3334d	2003-07-22 19:13:20 +0000	[diff] [blame]	450
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	451	if test "$llvm_cv_target_arch" = "Unknown" ; then
				452	AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
				453	fi
				454
Gabor Greif	e0d58d3	2012-01-26 10:28:58 +0000	[diff] [blame]	455	dnl Determine the LLVM native architecture for the target
Douglas Gregor	7cbf816	2009-06-17 00:42:33 +0000	[diff] [blame]	456	case "$llvm_cv_target_arch" in
				457	x86) LLVM_NATIVE_ARCH="X86" ;;
				458	x86_64) LLVM_NATIVE_ARCH="X86" ;;
				459	*) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
				460	esac
Mikhail Glushenkov	d871cbc	2009-07-03 03:52:07 +0000	[diff] [blame]	461
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	462	dnl Define a substitution, ARCH, for the target architecture
				463	AC_SUBST(ARCH,$llvm_cv_target_arch)
NAKAMURA Takumi	84e8530	2014-02-09 16:36:42 +0000	[diff] [blame]	464	AC_SUBST(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCH)
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	465
Danil Malyshev	7c5db45	2012-05-17 21:07:47 +0000	[diff] [blame]	466	dnl Determine what our host architecture.
				467	dnl This will allow MCJIT regress tests runs only for supported
				468	dnl platforms.
				469	case $host in
				470	i?86-*) host_arch="x86" ;;
				471	amd64-* \| x86_64-*) host_arch="x86_64" ;;
				472	sparc-) host_arch="Sparc" ;;
				473	powerpc-) host_arch="PowerPC" ;;
Tim Northover	3b0846e	2014-05-24 12:50:23 +0000	[diff] [blame]	474	arm64-) host_arch="AArch64" ;;
Danil Malyshev	7c5db45	2012-05-17 21:07:47 +0000	[diff] [blame]	475	arm-) host_arch="ARM" ;;
Tim Northover	3b0846e	2014-05-24 12:50:23 +0000	[diff] [blame]	476	aarch64-) host_arch="AArch64" ;;
Simon Atanasyan	c2cccd7	2012-10-29 19:49:45 +0000	[diff] [blame]	477	mips-* \| mips64-*) host_arch="Mips" ;;
				478	mipsel-* \| mips64el-*) host_arch="Mips" ;;
Danil Malyshev	7c5db45	2012-05-17 21:07:47 +0000	[diff] [blame]	479	xcore-*) host_arch="XCore" ;;
				480	msp430-*) host_arch="MSP430" ;;
				481	hexagon-*) host_arch="Hexagon" ;;
Ulrich Weigand	1ceebf6	2013-05-06 16:22:34 +0000	[diff] [blame]	482	s390x-*) host_arch="SystemZ" ;;
Danil Malyshev	7c5db45	2012-05-17 21:07:47 +0000	[diff] [blame]	483	*) host_arch="Unknown" ;;
				484	esac
				485
				486	if test "$host_arch" = "Unknown" ; then
				487	AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
				488	fi
				489
				490	AC_SUBST(HOST_ARCH,$host_arch)
				491
Gabor Greif	e0d58d3	2012-01-26 10:28:58 +0000	[diff] [blame]	492	dnl Check for build platform executable suffix if we're cross-compiling
Reid Spencer	0aa9d00	2006-07-26 21:14:56 +0000	[diff] [blame]	493	if test "$cross_compiling" = yes; then
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	494	AC_SUBST(LLVM_CROSS_COMPILING, [1])
Reid Spencer	0aa9d00	2006-07-26 21:14:56 +0000	[diff] [blame]	495	AC_BUILD_EXEEXT
Jim Grosbach	009db89	2008-10-02 22:56:44 +0000	[diff] [blame]	496	ac_build_prefix=${build_alias}-
				497	AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
				498	if test -z "$BUILD_CXX"; then
				499	AC_CHECK_PROG(BUILD_CXX, g++, g++)
				500	if test -z "$BUILD_CXX"; then
				501	AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
				502	fi
				503	fi
Reid Spencer	0aa9d00	2006-07-26 21:14:56 +0000	[diff] [blame]	504	else
				505	AC_SUBST(LLVM_CROSS_COMPILING, [0])
				506	fi
				507
Dan Gohman	de75469c	2010-08-04 16:25:01 +0000	[diff] [blame]	508	dnl Check to see if there's a .svn or .git directory indicating that this
				509	dnl build is being done from a checkout. This sets up several defaults for
				510	dnl the command line switches. When we build with a checkout directory,
Nick Lewycky	9a196c0	2009-04-01 04:39:25 +0000	[diff] [blame]	511	dnl we get a debug with assertions turned on. Without, we assume a source
				512	dnl release and we get an optimized build without assertions.
				513	dnl See --enable-optimized and --enable-assertions below
Dan Gohman	de75469c	2010-08-04 16:25:01 +0000	[diff] [blame]	514	if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
Reid Spencer	b65ade8	2006-04-07 16:01:51 +0000	[diff] [blame]	515	cvsbuild="yes"
				516	optimize="no"
Reid Spencer	b65ade8	2006-04-07 16:01:51 +0000	[diff] [blame]	517	AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
				518	else
				519	cvsbuild="no"
				520	optimize="yes"
Reid Spencer	b65ade8	2006-04-07 16:01:51 +0000	[diff] [blame]	521	fi
				522
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	523	dnl===-----------------------------------------------------------------------===
				524	dnl===
				525	dnl=== SECTION 3: Command line arguments for the configure script.
				526	dnl===
				527	dnl===-----------------------------------------------------------------------===
				528
Eric Christopher	1094ded	2011-11-11 22:51:42 +0000	[diff] [blame]	529	dnl --enable-libcpp : check whether or not to use libc++ on the command line
				530	AC_ARG_ENABLE(libcpp,
				531	AS_HELP_STRING([--enable-libcpp],
				532	[Use libc++ if available (default is NO)]),,
				533	enableval=default)
				534	case "$enableval" in
				535	yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
				536	no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
				537	default) AC_SUBST(ENABLE_LIBCPP,[0]);;
				538	*) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
				539	esac
				540
Chandler Carruth	7206eae	2014-01-15 19:19:13 +0000	[diff] [blame]	541	dnl Check both GCC and Clang for sufficiently modern versions. These checks can
				542	dnl be bypassed by passing a flag if necessary on a platform. We have to do
				543	dnl these checks here so that we have the configuration of the standard C++
				544	dnl library finished.
				545	AC_ARG_ENABLE(compiler-version-checks,
				546	AS_HELP_STRING([--enable-compiler-version-checks],
				547	[Check the version of the host compiler (default is YES)]),,
				548	enableval=default)
				549	case "$enableval" in
				550	no)
				551	;;
				552	yes\|default)
				553	AC_LANG_PUSH([C++])
				554	case "$llvm_cv_cxx_compiler" in
				555	clang)
				556	AC_MSG_CHECKING([whether Clang is new enough])
				557	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
				558	#if __clang_major__ < 3 \|\| (__clang_major__ == 3 && __clang_minor__ < 1)
				559	#error This version of Clang is too old to build LLVM
				560	#endif
				561	]])],
				562	[AC_MSG_RESULT([yes])],
				563	[AC_MSG_RESULT([no])
				564	AC_MSG_ERROR([
				565	The selected Clang compiler is not new enough to build LLVM. Please upgrade to
				566	Clang 3.1. You may pass --disable-compiler-version-checks to configure to
				567	bypass these sanity checks.])])
				568
				569	dnl Note that libstdc++4.6 is known broken for C++11 builds. The errors
				570	dnl are sometimes deeply confusing though. Here we test for an obvious
				571	dnl incomplete feature in 4.6's standard library that was completed in
Chandler Carruth	eba44ea	2014-01-15 21:21:48 +0000	[diff] [blame]	572	dnl 4.7's. We also have to disable this test if 'ENABLE_LIBCPP' is set
				573	dnl because the enable flags don't actually fix CXXFLAGS, they rely on
				574	dnl that happening in the Makefile.
				575	if test "$ENABLE_LIBCPP" -eq 0 ; then
				576	AC_MSG_CHECKING([whether Clang will select a modern C++ standard library])
				577	llvm_cv_old_cxxflags="$CXXFLAGS"
				578	CXXFLAGS="$CXXFLAGS -std=c++0x"
				579	AC_LINK_IFELSE([AC_LANG_SOURCE([[
Chandler Carruth	7206eae	2014-01-15 19:19:13 +0000	[diff] [blame]	580	#include <atomic>
				581	std::atomic<float> x(0.0f);
				582	int main() { return (float)x; }
				583	]])],
Chandler Carruth	eba44ea	2014-01-15 21:21:48 +0000	[diff] [blame]	584	[AC_MSG_RESULT([yes])],
				585	[AC_MSG_RESULT([no])
				586	AC_MSG_ERROR([
Chandler Carruth	7206eae	2014-01-15 19:19:13 +0000	[diff] [blame]	587	We detected a missing feature in the standard C++ library that was known to be
				588	missing in libstdc++4.6 and implemented in libstdc++4.7. There are numerous
				589	C++11 problems with 4.6's library, and we don't support GCCs or libstdc++ older
				590	than 4.7. You will need to update your system and ensure Clang uses the newer
				591	standard library.
				592
				593	If this error is incorrect or you need to force things to work, you may pass
				594	'--disable-compiler-version-checks' to configure to bypass this test.])])
Chandler Carruth	eba44ea	2014-01-15 21:21:48 +0000	[diff] [blame]	595	CXXFLAGS="$llvm_cv_old_cxxflags"
				596	fi
Chandler Carruth	7206eae	2014-01-15 19:19:13 +0000	[diff] [blame]	597	;;
				598	gcc)
				599	AC_MSG_CHECKING([whether GCC is new enough])
				600	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
				601	#if __GNUC__ < 4 \|\| (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
				602	#error This version of GCC is too old to build LLVM
				603	#endif
				604	]])],
				605	[AC_MSG_RESULT([yes])],
				606	[AC_MSG_RESULT([no])
				607	AC_MSG_ERROR([
				608	The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade
				609	to GCC 4.7. You may pass --disable-compiler-version-checks to configure to
				610	bypass these sanity checks.])])
				611	;;
				612	unknown)
				613	;;
				614	esac
				615	AC_LANG_POP([C++])
				616	;;
				617	*)
				618	AC_MSG_ERROR([Invalid setting for --enable-compiler-version-checks. Use "yes" or "no"])
				619	;;
				620	esac
				621
Chandler Carruth	bbae512	2014-03-01 03:33:08 +0000	[diff] [blame]	622	dnl --enable-cxx1y : check whether or not to use -std=c++1y on the command line
				623	AC_ARG_ENABLE(cxx1y,
				624	AS_HELP_STRING([--enable-cxx1y],
				625	[Use c++1y if available (default is NO)]),,
Eric Christopher	04e3597	2012-08-03 19:47:14 +0000	[diff] [blame]	626	enableval=default)
				627	case "$enableval" in
Chandler Carruth	bbae512	2014-03-01 03:33:08 +0000	[diff] [blame]	628	yes) AC_SUBST(ENABLE_CXX1Y,[1]) ;;
				629	no) AC_SUBST(ENABLE_CXX1Y,[0]) ;;
				630	default) AC_SUBST(ENABLE_CXX1Y,[0]);;
				631	*) AC_MSG_ERROR([Invalid setting for --enable-cxx1y. Use "yes" or "no"]) ;;
Eric Christopher	04e3597	2012-08-03 19:47:14 +0000	[diff] [blame]	632	esac
				633
Eric Christopher	c64a54e	2014-03-05 00:43:38 +0000	[diff] [blame]	634	dnl --enable-split-dwarf : check whether or not to use -gsplit-dwarf on the command
Eric Christopher	f1bd770	2013-06-25 01:12:25 +0000	[diff] [blame]	635	dnl line
				636	AC_ARG_ENABLE(split-dwarf,
				637	AS_HELP_STRING([--enable-split-dwarf],
				638	[Use split-dwarf if available (default is NO)]),,
				639	enableval=default)
				640	case "$enableval" in
				641	yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;;
				642	no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;;
				643	default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);;
				644	*) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;;
				645	esac
				646
Roman Divacky	f2bb66b	2012-12-13 16:07:19 +0000	[diff] [blame]	647	dnl --enable-clang-arcmt: check whether to enable clang arcmt
				648	clang_arcmt="yes"
				649	AC_ARG_ENABLE(clang-arcmt,
				650	AS_HELP_STRING([--enable-clang-arcmt],
				651	[Enable building of clang ARCMT (default is YES)]),
				652	clang_arcmt="$enableval",
				653	enableval="yes")
				654	case "$enableval" in
				655	yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
				656	no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
				657	default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
				658	*) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
				659	esac
				660
Rafael Espindola	e33f06c	2014-03-10 16:58:35 +0000	[diff] [blame]	661	dnl --enable-clang-plugin-support: check whether to enable plugins in clang
				662	clang_plugin_support="yes"
				663	AC_ARG_ENABLE(clang-plugin-support,
				664	AS_HELP_STRING([--enable-clang-plugin-support],
				665	[Enable plugin support in clang (default is YES)]),
				666	clang_plugin_support="$enableval",
				667	enableval="yes")
				668	case "$enableval" in
				669	yes) AC_SUBST(CLANG_PLUGIN_SUPPORT,[1]) ;;
				670	no) AC_SUBST(CLANG_PLUGIN_SUPPORT,[0]) ;;
				671	default) AC_SUBST(CLANG_PLUGIN_SUPPORT,[1]);;
				672	*) AC_MSG_ERROR([Invalid setting for --enable-clang-plugin-support. Use "yes" or "no"]) ;;
				673	esac
				674
Roman Divacky	f2bb66b	2012-12-13 16:07:19 +0000	[diff] [blame]	675	dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
				676	clang_static_analyzer="yes"
				677	AC_ARG_ENABLE(clang-static-analyzer,
				678	AS_HELP_STRING([--enable-clang-static-analyzer],
				679	[Enable building of clang Static Analyzer (default is YES)]),
				680	clang_static_analyzer="$enableval",
				681	enableval="yes")
				682	case "$enableval" in
				683	yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
Peter Zotov	668f967	2014-10-30 08:29:45 +0000	[diff] [blame]	684	no)
Jordan Rose	23fc6f3	2013-08-22 15:49:53 +0000	[diff] [blame]	685	if test ${clang_arcmt} != "no" ; then
				686	AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling static analyzer.])
				687	fi
Peter Zotov	668f967	2014-10-30 08:29:45 +0000	[diff] [blame]	688	AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0])
Jordan Rose	23fc6f3	2013-08-22 15:49:53 +0000	[diff] [blame]	689	;;
Roman Divacky	f2bb66b	2012-12-13 16:07:19 +0000	[diff] [blame]	690	default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
				691	*) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
				692	esac
				693
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	694	dnl --enable-optimized : check whether they want to do an optimized build:
Reid Spencer	b65ade8	2006-04-07 16:01:51 +0000	[diff] [blame]	695	AC_ARG_ENABLE(optimized, AS_HELP_STRING(
Nick Lewycky	9ab256ac	2009-06-06 06:24:44 +0000	[diff] [blame]	696	--enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	697	if test ${enableval} = "no" ; then
				698	AC_SUBST(ENABLE_OPTIMIZED,[[]])
				699	else
				700	AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
				701	fi
				702
David Greene	80f48bd	2009-04-17 14:49:22 +0000	[diff] [blame]	703	dnl --enable-profiling : check whether they want to do a profile build:
				704	AC_ARG_ENABLE(profiling, AS_HELP_STRING(
Nick Lewycky	9ab256ac	2009-06-06 06:24:44 +0000	[diff] [blame]	705	--enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
David Greene	80f48bd	2009-04-17 14:49:22 +0000	[diff] [blame]	706	if test ${enableval} = "no" ; then
				707	AC_SUBST(ENABLE_PROFILING,[[]])
				708	else
				709	AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
				710	fi
				711
Reid Spencer	b65ade8	2006-04-07 16:01:51 +0000	[diff] [blame]	712	dnl --enable-assertions : check whether they want to turn on assertions or not:
				713	AC_ARG_ENABLE(assertions,AS_HELP_STRING(
Nick Lewycky	9ab256ac	2009-06-06 06:24:44 +0000	[diff] [blame]	714	--enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
Reid Spencer	fa423e9	2006-04-09 20:42:14 +0000	[diff] [blame]	715	if test ${enableval} = "yes" ; then
				716	AC_SUBST(DISABLE_ASSERTIONS,[[]])
Sanjoy Das	8ce6499	2015-03-26 19:25:01 +0000	[diff] [blame]	717	assertions_enabled="yes"
Reid Spencer	b65ade8	2006-04-07 16:01:51 +0000	[diff] [blame]	718	else
Reid Spencer	fa423e9	2006-04-09 20:42:14 +0000	[diff] [blame]	719	AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
Sanjoy Das	8ce6499	2015-03-26 19:25:01 +0000	[diff] [blame]	720	assertions_enabled="no"
Reid Spencer	b65ade8	2006-04-07 16:01:51 +0000	[diff] [blame]	721	fi
				722
Eric Christopher	8486401	2012-08-03 19:58:20 +0000	[diff] [blame]	723	dnl --enable-werror : check whether we want Werror on by default
				724	AC_ARG_ENABLE(werror,AS_HELP_STRING(
				725	--enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
				726	case "$enableval" in
				727	yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
				728	no) AC_SUBST(ENABLE_WERROR,[0]) ;;
				729	default) AC_SUBST(ENABLE_WERROR,[0]);;
				730	*) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
				731	esac
				732
David Greene	cbc8ddf	2007-06-28 19:36:08 +0000	[diff] [blame]	733	dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
				734	AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
Nick Lewycky	9ab256ac	2009-06-06 06:24:44 +0000	[diff] [blame]	735	--enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
David Greene	cbc8ddf	2007-06-28 19:36:08 +0000	[diff] [blame]	736	if test ${enableval} = "yes" ; then
				737	AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
				738	AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
				739	else
				740	AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
				741	AC_SUBST(EXPENSIVE_CHECKS,[[no]])
				742	fi
				743
Sanjoy Das	8ce6499	2015-03-26 19:25:01 +0000	[diff] [blame]	744	dnl --enable-abi-breaking-checks : decide whether we should compile in asserts and
				745	dnl checks that make the build ABI incompatible with an llvm built without these
				746	dnl checks enabled.
				747	AC_ARG_ENABLE(abi-breaking-checks,AS_HELP_STRING(
				748	--enable-abi-breaking-checks,[Compile with abi-breaking asserts support (default is with-asserts)]),, enableval="with-asserts")
				749	case "$enableval" in
				750	with-asserts) if test ${assertions_enabled} = "yes" ; then
				751	AC_DEFINE([LLVM_ENABLE_ABI_BREAKING_CHECKS],[1],[Define to enable checks that alter the LLVM C++ ABI])
NAKAMURA Takumi	c063c47	2015-04-01 11:46:15 +0000	[diff] [blame]	752	AC_SUBST(ENABLE_ABI_BREAKING_CHECKS,[1])
				753	else
				754	AC_SUBST(ENABLE_ABI_BREAKING_CHECKS,[0])
Sanjoy Das	8ce6499	2015-03-26 19:25:01 +0000	[diff] [blame]	755	fi ;;
NAKAMURA Takumi	c063c47	2015-04-01 11:46:15 +0000	[diff] [blame]	756	yes)
				757	AC_DEFINE([LLVM_ENABLE_ABI_BREAKING_CHECKS],[1],[Define to enable checks that alter the LLVM C++ ABI])
				758	AC_SUBST(ENABLE_ABI_BREAKING_CHECKS,[1])
				759	;;
				760	no)
				761	AC_SUBST(ENABLE_ABI_BREAKING_CHECKS,[0])
				762	;;
Sanjoy Das	8ce6499	2015-03-26 19:25:01 +0000	[diff] [blame]	763	*) AC_MSG_ERROR([Invalid setting for --enable-abi-breaking-checks. Use "with-asserts", "yes" or "no"])
				764	esac
				765
Reid Spencer	4b8067f	2006-11-17 03:32:33 +0000	[diff] [blame]	766	dnl --enable-debug-runtime : should runtime libraries have debug symbols?
				767	AC_ARG_ENABLE(debug-runtime,
Nick Lewycky	9ab256ac	2009-06-06 06:24:44 +0000	[diff] [blame]	768	AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
Reid Spencer	4b8067f	2006-11-17 03:32:33 +0000	[diff] [blame]	769	if test ${enableval} = "no" ; then
				770	AC_SUBST(DEBUG_RUNTIME,[[]])
				771	else
				772	AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
				773	fi
				774
Jeffrey Yasskin	c3273dc	2009-09-27 17:47:29 +0000	[diff] [blame]	775	dnl --enable-debug-symbols : should even optimized compiler libraries
				776	dnl have debug symbols?
				777	AC_ARG_ENABLE(debug-symbols,
				778	AS_HELP_STRING(--enable-debug-symbols,[Build compiler with debug symbols (default is NO if optimization is on and YES if it's off)]),,enableval=no)
				779	if test ${enableval} = "no" ; then
				780	AC_SUBST(DEBUG_SYMBOLS,[[]])
				781	else
				782	AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
				783	fi
				784
Daniel Dunbar	c9e4ff6	2012-08-14 18:14:20 +0000	[diff] [blame]	785	dnl --enable-keep-symbols : do not strip installed executables
				786	AC_ARG_ENABLE(keep-symbols,
				787	AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
				788	if test ${enableval} = "no" ; then
				789	AC_SUBST(KEEP_SYMBOLS,[[]])
				790	else
				791	AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
				792	fi
				793
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	794	dnl --enable-jit: check whether they want to enable the jit
				795	AC_ARG_ENABLE(jit,
				796	AS_HELP_STRING(--enable-jit,
				797	[Enable Just In Time Compiling (default is YES)]),,
				798	enableval=default)
				799	if test ${enableval} = "no"
				800	then
				801	AC_SUBST(JIT,[[]])
				802	else
Reid Spencer	9dc4ba5	2004-11-25 07:28:19 +0000	[diff] [blame]	803	case "$llvm_cv_target_arch" in
Jakob Stoklund Olesen	526e803	2009-08-02 17:32:37 +0000	[diff] [blame]	804	x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
				805	Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
				806	PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
				807	x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
Eric Christopher	d8530f3	2009-09-14 16:38:49 +0000	[diff] [blame]	808	ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
Bruno Cardoso Lopes	d1d9c78	2011-07-21 16:28:51 +0000	[diff] [blame]	809	Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
Jakob Stoklund Olesen	526e803	2009-08-02 17:32:37 +0000	[diff] [blame]	810	XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
				811	MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
Tony Linthicum	1213a7a	2011-12-12 21:14:40 +0000	[diff] [blame]	812	Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
Justin Holewinski	ae556d3	2012-05-04 20:18:50 +0000	[diff] [blame]	813	NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
Ulrich Weigand	1ceebf6	2013-05-06 16:22:34 +0000	[diff] [blame]	814	SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
Jakob Stoklund Olesen	526e803	2009-08-02 17:32:37 +0000	[diff] [blame]	815	*) AC_SUBST(TARGET_HAS_JIT,0) ;;
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	816	esac
				817	fi
				818
Tim Northover	3b0846e	2014-05-24 12:50:23 +0000	[diff] [blame]	819	TARGETS_WITH_JIT="ARM AArch64 Mips PowerPC SystemZ X86"
NAKAMURA Takumi	84e8530	2014-02-09 16:36:42 +0000	[diff] [blame]	820	AC_SUBST(TARGETS_WITH_JIT,$TARGETS_WITH_JIT)
				821
Rafael Espindola	7ac506d	2010-11-12 19:24:06 +0000	[diff] [blame]	822	dnl Allow enablement of building and installing docs
				823	AC_ARG_ENABLE(docs,
				824	AS_HELP_STRING([--enable-docs],
				825	[Build documents (default is YES)]),,
				826	enableval=default)
				827	case "$enableval" in
				828	yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
				829	no) AC_SUBST(ENABLE_DOCS,[0]) ;;
				830	default) AC_SUBST(ENABLE_DOCS,[1]) ;;
				831	*) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
				832	esac
				833
Reid Spencer	0194c9a	2004-11-29 04:56:35 +0000	[diff] [blame]	834	dnl Allow enablement of doxygen generated documentation
				835	AC_ARG_ENABLE(doxygen,
				836	AS_HELP_STRING([--enable-doxygen],
				837	[Build doxygen documentation (default is NO)]),,
				838	enableval=default)
				839	case "$enableval" in
				840	yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
Logan Chien	26c9f2f	2015-03-12 17:25:01 +0000	[diff] [blame]	841	no\|default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
Reid Spencer	0194c9a	2004-11-29 04:56:35 +0000	[diff] [blame]	842	*) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
				843	esac
				844
Logan Chien	26c9f2f	2015-03-12 17:25:01 +0000	[diff] [blame]	845	dnl Allow enablement of doxygen search engine
				846	AC_ARG_ENABLE(doxygen-search,
				847	AS_HELP_STRING([--enable-doxygen-search],
				848	[Enable doxygen search support (default is NO)]),,
				849	enableval=default)
				850	ENABLE_DOXYGEN_SEARCH="$enableval"
				851
				852	case "$enableval" in
				853	yes\|no\|default) ;;
				854	*) AC_MSG_ERROR([Invalid setting for --enable-doxygen-search. Use "yes" or "no"]) ;;
				855	esac
				856
				857	AC_ARG_ENABLE(doxygen-external-search,
				858	AS_HELP_STRING([--enable-doxygen-external-search],
				859	[Enable doxygen exteranl search (default is NO)]),,
				860	enableval=default)
				861	ENABLE_DOXYGEN_EXTERNAL_SEARCH="$enableval"
				862
				863	case "$enableval" in
				864	yes)
				865	dnl To match with the CMake behavior, enable doxygen when
				866	dnl --enable-doxygen-external-search is enabled.
				867	case "$ENABLE_DOXYGEN_SEARCH" in
				868	yes\|default) ENABLE_DOXYGEN_SEARCH="yes" ;;
				869	no) AC_MSG_ERROR([The option --enable-doxygen-external-search requires --enable-doxygen-search]) ;;
				870	esac
				871	;;
				872	no\|default) ;;
				873	*) AC_MSG_ERROR([Invalid setting for --enable-doxygen-external-search. Use "yes" or "no"]) ;;
				874	esac
				875
				876	AC_ARG_WITH(doxygen-search-engine-url,
				877	AS_HELP_STRING([--with-doxygen-search-engine-url],
				878	[Specify the external search engine for doxygen]),,)
				879	WITH_DOXYGEN_SEARCH_ENGINE_URL="$withval"
				880
				881	AC_ARG_WITH(doxygen-search-mappings,
				882	AS_HELP_STRING([--with-doxygen-search-mappings],
				883	[Specify the extra search mapping for doxygen]),,)
				884	WITH_DOXYGEN_SEARCH_MAPPINGS="$withval"
				885
				886	case "$ENABLE_DOXYGEN_SEARCH" in
				887	yes)
				888	if test "$ENABLE_DOXYGEN" = "0" ; then
				889	AC_MSG_ERROR([The option --enable-doxygen-search requires --enable-doxygen.])
				890	fi
				891
				892	AC_SUBST(enable_searchengine,[YES])
				893
				894	case "$ENABLE_DOXYGEN_EXTERNAL_SEARCH" in
				895	yes)
				896	AC_SUBST(enable_external_search,[YES])
				897	AC_SUBST(enable_server_based_search,[YES])
Logan Chien	6203f9e	2015-03-12 19:56:25 +0000	[diff] [blame]	898	AC_SUBST(searchengine_url,["$WITH_DOXYGEN_SEARCH_ENGINE_URL"])
				899	AC_SUBST(extra_search_mappings,["$WITH_DOXYGEN_SEARCH_MAPPINGS"])
Logan Chien	26c9f2f	2015-03-12 17:25:01 +0000	[diff] [blame]	900	;;
				901
				902	no\|default)
				903	AC_SUBST(enable_external_search,[NO])
				904	AC_SUBST(enable_server_based_search,[NO])
				905	AC_SUBST(searchengine_url,[])
				906	AC_SUBST(extra_search_mappings,[])
				907	;;
				908	esac
				909	;;
				910
				911	no\|default)
				912	AC_SUBST(enable_searchengine,[NO])
				913	AC_SUBST(searchengine_url,[])
				914	AC_SUBST(enable_server_based_search,[NO])
				915	AC_SUBST(enable_external_search,[NO])
				916	AC_SUBST(extra_search_mappings,[])
				917	;;
				918
				919	*)
				920	AC_MSG_ERROR([Invalid setting for --enable-doxygen-search. Use "yes" or "no"])
				921	;;
				922	esac
				923
				924	dnl Allow enablement of doxygen generated Qt help files
				925	AC_ARG_ENABLE(doxygen-qt-help,
				926	AS_HELP_STRING([--enable-doxygen-qt-help],
				927	[Build Qt help files (default is NO)]),,
				928	enableval=default)
				929	case "$enableval" in
				930	yes)
				931	if test "$ENABLE_DOXYGEN" = "0" ; then
				932	AC_MSG_ERROR([The option --enable-doxygen-qt-help requires --enable-doxygen.])
				933	fi
				934
				935	AC_PATH_PROG(QHELPGENERATOR, [qhelpgenerator], [qhelpgenerator])
				936
				937	dnl Qt help file for llvm doxygen documentation
				938	AC_SUBST(llvm_doxygen_generate_qhp,[YES])
				939	AC_SUBST(llvm_doxygen_qch_filename,[org.llvm.qch])
				940	AC_SUBST(llvm_doxygen_qhp_namespace,[org.llvm])
Logan Chien	6203f9e	2015-03-12 19:56:25 +0000	[diff] [blame]	941	AC_SUBST(llvm_doxygen_qhelpgenerator_path,["$QHELPGENERATOR"])
				942	AC_SUBST(llvm_doxygen_qhp_cust_filter_name,["$PACKAGE_STRING"])
				943	AC_SUBST(llvm_doxygen_qhp_cust_filter_attrs,["$PACKAGE_NAME,$PACKAGE_VERSION"])
Logan Chien	26c9f2f	2015-03-12 17:25:01 +0000	[diff] [blame]	944
				945	dnl Qt help file for clang doxygen documentation
				946	AC_SUBST(clang_doxygen_generate_qhp,[YES])
				947	AC_SUBST(clang_doxygen_qch_filename,[org.llvm.clang.qch])
				948	AC_SUBST(clang_doxygen_qhp_namespace,[org.llvm.clang])
Logan Chien	6203f9e	2015-03-12 19:56:25 +0000	[diff] [blame]	949	AC_SUBST(clang_doxygen_qhelpgenerator_path,["$QHELPGENERATOR"])
				950	AC_SUBST(clang_doxygen_qhp_cust_filter_name,["Clang $PACKAGE_VERSION"])
				951	AC_SUBST(clang_doxygen_qhp_cust_filter_attrs,["Clang,$PACKAGE_VERSION"])
Logan Chien	26c9f2f	2015-03-12 17:25:01 +0000	[diff] [blame]	952	;;
				953
				954	no\|default)
				955	AC_SUBST(llvm_doxygen_generate_qhp,[NO])
				956	AC_SUBST(llvm_doxygen_qch_filename,[])
				957	AC_SUBST(llvm_doxygen_qhp_namespace,[])
				958	AC_SUBST(llvm_doxygen_qhelpgenerator_path,[])
				959	AC_SUBST(llvm_doxygen_qhp_cust_filter_name,[])
				960	AC_SUBST(llvm_doxygen_qhp_cust_filter_attrs,[])
				961
				962	AC_SUBST(clang_doxygen_generate_qhp,[NO])
				963	AC_SUBST(clang_doxygen_qch_filename,[])
				964	AC_SUBST(clang_doxygen_qhp_namespace,[])
				965	AC_SUBST(clang_doxygen_qhelpgenerator_path,[])
Logan Chien	6203f9e	2015-03-12 19:56:25 +0000	[diff] [blame]	966	AC_SUBST(clang_doxygen_qhp_cust_filter_name,["Clang $PACKAGE_VERSION"])
				967	AC_SUBST(clang_doxygen_qhp_cust_filter_attrs,["Clang,$PACKAGE_VERSION"])
Logan Chien	26c9f2f	2015-03-12 17:25:01 +0000	[diff] [blame]	968	;;
				969
				970	*)
				971	AC_MSG_ERROR([Invalid setting for --enable-doxygen-qt-help. Use "yes" or "no"]) ;;
				972	esac
				973
Reid Spencer	f85fabeb	2005-08-24 10:07:20 +0000	[diff] [blame]	974	dnl Allow disablement of threads
				975	AC_ARG_ENABLE(threads,
				976	AS_HELP_STRING([--enable-threads],
				977	[Use threads if available (default is YES)]),,
Reid Spencer	d549edc	2006-11-05 17:08:18 +0000	[diff] [blame]	978	enableval=default)
Reid Spencer	f85fabeb	2005-08-24 10:07:20 +0000	[diff] [blame]	979	case "$enableval" in
Dylan Noblesmith	efddf20	2011-11-28 00:48:58 +0000	[diff] [blame]	980	yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
				981	no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
				982	default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
Reid Spencer	f85fabeb	2005-08-24 10:07:20 +0000	[diff] [blame]	983	*) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
				984	esac
Dylan Noblesmith	efddf20	2011-11-28 00:48:58 +0000	[diff] [blame]	985	AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
				986	[Define if threads enabled])
Reid Spencer	f85fabeb	2005-08-24 10:07:20 +0000	[diff] [blame]	987
NAKAMURA Takumi	c6fce17	2010-12-29 03:59:03 +0000	[diff] [blame]	988	dnl Allow disablement of pthread.h
				989	AC_ARG_ENABLE(pthreads,
				990	AS_HELP_STRING([--enable-pthreads],
				991	[Use pthreads if available (default is YES)]),,
				992	enableval=default)
				993	case "$enableval" in
				994	yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
				995	no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
				996	default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
				997	*) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
				998	esac
				999
Alexey Samsonov	2fb337e	2013-04-23 08:28:39 +0000	[diff] [blame]	1000	dnl Allow disablement of zlib
				1001	AC_ARG_ENABLE(zlib,
				1002	AS_HELP_STRING([--enable-zlib],
				1003	[Use zlib for compression/decompression if
				1004	available (default is YES)]),,
				1005	enableval=default)
				1006	case "$enableval" in
				1007	yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
				1008	no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
				1009	default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
				1010	*) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
				1011	esac
				1012	AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
				1013	[Define if zlib is enabled])
				1014
Nick Lewycky	7db7eb6	2009-02-19 06:18:24 +0000	[diff] [blame]	1015	dnl Allow building without position independent code
Reid Spencer	05a1fe5	2006-12-16 22:07:52 +0000	[diff] [blame]	1016	AC_ARG_ENABLE(pic,
				1017	AS_HELP_STRING([--enable-pic],
Nick Lewycky	7db7eb6	2009-02-19 06:18:24 +0000	[diff] [blame]	1018	[Build LLVM with Position Independent Code (default is YES)]),,
Reid Spencer	05a1fe5	2006-12-16 22:07:52 +0000	[diff] [blame]	1019	enableval=default)
				1020	case "$enableval" in
				1021	yes) AC_SUBST(ENABLE_PIC,[1]) ;;
				1022	no) AC_SUBST(ENABLE_PIC,[0]) ;;
Nick Lewycky	7db7eb6	2009-02-19 06:18:24 +0000	[diff] [blame]	1023	default) AC_SUBST(ENABLE_PIC,[1]) ;;
Reid Spencer	05a1fe5	2006-12-16 22:07:52 +0000	[diff] [blame]	1024	*) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
				1025	esac
				1026	AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
				1027	[Define if position independent code is enabled])
				1028
Jeffrey Yasskin	6b718f7	2010-02-25 06:34:33 +0000	[diff] [blame]	1029	dnl Allow building a shared library and linking tools against it.
				1030	AC_ARG_ENABLE(shared,
				1031	AS_HELP_STRING([--enable-shared],
				1032	[Build a shared library and link tools against it (default is NO)]),,
				1033	enableval=default)
				1034	case "$enableval" in
				1035	yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
				1036	no) AC_SUBST(ENABLE_SHARED,[0]) ;;
				1037	default) AC_SUBST(ENABLE_SHARED,[0]) ;;
				1038	*) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
				1039	esac
				1040
NAKAMURA Takumi	495afdf	2010-12-29 03:59:14 +0000	[diff] [blame]	1041	dnl Allow libstdc++ is embedded in LLVM.dll.
				1042	AC_ARG_ENABLE(embed-stdcxx,
				1043	AS_HELP_STRING([--enable-embed-stdcxx],
NAKAMURA Takumi	d5a9a3a	2011-10-13 18:04:52 +0000	[diff] [blame]	1044	[Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
NAKAMURA Takumi	495afdf	2010-12-29 03:59:14 +0000	[diff] [blame]	1045	enableval=default)
				1046	case "$enableval" in
				1047	yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
				1048	no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
NAKAMURA Takumi	d5a9a3a	2011-10-13 18:04:52 +0000	[diff] [blame]	1049	default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
NAKAMURA Takumi	495afdf	2010-12-29 03:59:14 +0000	[diff] [blame]	1050	*) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
				1051	esac
				1052
Daniel Dunbar	dac1824	2010-05-10 20:11:56 +0000	[diff] [blame]	1053	dnl Enable embedding timestamp information into build.
				1054	AC_ARG_ENABLE(timestamps,
				1055	AS_HELP_STRING([--enable-timestamps],
				1056	[Enable embedding timestamp information in build (default is YES)]),,
				1057	enableval=default)
				1058	case "$enableval" in
				1059	yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
				1060	no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
				1061	default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
				1062	*) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
				1063	esac
				1064	AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
Gabor Greif	1e71896	2012-07-12 13:05:12 +0000	[diff] [blame]	1065	[Define if timestamp information (e.g., __DATE__) is allowed])
Daniel Dunbar	dac1824	2010-05-10 20:11:56 +0000	[diff] [blame]	1066
Daniel Dunbar	eb6c708	2013-08-30 20:39:21 +0000	[diff] [blame]	1067	dnl Enable support for showing backtraces.
				1068	AC_ARG_ENABLE(backtraces, AS_HELP_STRING(
				1069	[--enable-backtraces],
				1070	[Enable embedding backtraces on crash (default is YES)]),
				1071	[case "$enableval" in
				1072	yes) llvm_cv_enable_backtraces="yes" ;;
				1073	no) llvm_cv_enable_backtraces="no" ;;
				1074	*) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
				1075	esac],
				1076	llvm_cv_enable_backtraces="yes")
				1077	if test "$llvm_cv_enable_backtraces" = "yes" ; then
				1078	AC_DEFINE([ENABLE_BACKTRACES],[1],
				1079	[Define if you want backtraces on crash])
				1080	fi
Eric Christopher	9fafe07	2012-09-21 23:03:29 +0000	[diff] [blame]	1081
Daniel Dunbar	eb6c708	2013-08-30 20:39:21 +0000	[diff] [blame]	1082	dnl Enable installing platform specific signal handling overrides, for improved
				1083	dnl CrashRecovery support or interaction with crash reporting software. This
				1084	dnl support may be inappropriate for some clients embedding LLVM as a library.
				1085	AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING(
				1086	[--enable-crash-overrides],
				1087	[Enable crash handling overrides (default is YES)]),
				1088	[case "$enableval" in
				1089	yes) llvm_cv_enable_crash_overrides="yes" ;;
				1090	no) llvm_cv_enable_crash_overrides="no" ;;
				1091	*) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;;
				1092	esac],
				1093	llvm_cv_enable_crash_overrides="yes")
				1094	if test "$llvm_cv_enable_crash_overrides" = "yes" ; then
				1095	AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1],
				1096	[Define to enable crash handling overrides])
				1097	fi
Eric Christopher	9fafe07	2012-09-21 23:03:29 +0000	[diff] [blame]	1098
NAKAMURA Takumi	84e8530	2014-02-09 16:36:42 +0000	[diff] [blame]	1099	dnl List all possible targets
Tom Stellard	45bb48e	2015-06-13 03:28:10 +0000	[diff] [blame]	1100	ALL_TARGETS="X86 Sparc PowerPC ARM AArch64 Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ AMDGPU BPF"
NAKAMURA Takumi	84e8530	2014-02-09 16:36:42 +0000	[diff] [blame]	1101	AC_SUBST(ALL_TARGETS,$ALL_TARGETS)
				1102
Reid Spencer	4742804	2005-04-22 07:27:28 +0000	[diff] [blame]	1103	dnl Allow specific targets to be specified for building (or not)
				1104	TARGETS_TO_BUILD=""
Evan Cheng	5df72aa	2006-07-06 07:46:33 +0000	[diff] [blame]	1105	AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
Jeffrey Yasskin	42a49df	2009-09-23 17:05:42 +0000	[diff] [blame]	1106	[Build specific host targets: all or target1,target2,... Valid targets are:
Tim Northover	00ed996	2014-03-29 10:18:08 +0000	[diff] [blame]	1107	host, x86, x86_64, sparc, powerpc, arm64, arm, aarch64, mips, hexagon,
Alexei Starovoitov	7fef2f5	2015-06-09 18:53:30 +0000	[diff] [blame]	1108	xcore, msp430, nvptx, systemz, r600, bpf, and cpp (default=all)]),,
Reid Spencer	e482ca8	2005-04-22 17:02:18 +0000	[diff] [blame]	1109	enableval=all)
Jeffrey Yasskin	42a49df	2009-09-23 17:05:42 +0000	[diff] [blame]	1110	if test "$enableval" = host-only ; then
				1111	enableval=host
				1112	fi
Reid Spencer	e482ca8	2005-04-22 17:02:18 +0000	[diff] [blame]	1113	case "$enableval" in
NAKAMURA Takumi	84e8530	2014-02-09 16:36:42 +0000	[diff] [blame]	1114	all) TARGETS_TO_BUILD="$ALL_TARGETS" ;;
Reid Spencer	e482ca8	2005-04-22 17:02:18 +0000	[diff] [blame]	1115	*)for a_target in `echo $enableval\|sed -e 's/,/ /g' ` ; do
				1116	case "$a_target" in
Jakob Stoklund Olesen	526e803	2009-08-02 17:32:37 +0000	[diff] [blame]	1117	x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
				1118	x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
				1119	sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
				1120	powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
Tim Northover	3b0846e	2014-05-24 12:50:23 +0000	[diff] [blame]	1121	aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
				1122	arm64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
Jakob Stoklund Olesen	526e803	2009-08-02 17:32:37 +0000	[diff] [blame]	1123	arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
Alexei Starovoitov	7fef2f5	2015-06-09 18:53:30 +0000	[diff] [blame]	1124	bpf) TARGETS_TO_BUILD="BPF $TARGETS_TO_BUILD" ;;
Jakob Stoklund Olesen	526e803	2009-08-02 17:32:37 +0000	[diff] [blame]	1125	mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
Rafael Espindola	e46f096	2011-12-28 17:08:00 +0000	[diff] [blame]	1126	mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
Simon Atanasyan	c2cccd7	2012-10-29 19:49:45 +0000	[diff] [blame]	1127	mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
				1128	mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
Jakob Stoklund Olesen	526e803	2009-08-02 17:32:37 +0000	[diff] [blame]	1129	xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
				1130	msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
Jakob Stoklund Olesen	526e803	2009-08-02 17:32:37 +0000	[diff] [blame]	1131	cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
Tony Linthicum	1213a7a	2011-12-12 21:14:40 +0000	[diff] [blame]	1132	hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
Justin Holewinski	ae556d3	2012-05-04 20:18:50 +0000	[diff] [blame]	1133	nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
Ulrich Weigand	1ceebf6	2013-05-06 16:22:34 +0000	[diff] [blame]	1134	systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
Tom Stellard	3e79bb7	2015-06-13 03:46:48 +0000	[diff] [blame]	1135	amdgpu) TARGETS_TO_BUILD="AMDGPU $TARGETS_TO_BUILD" ;;
Tom Stellard	45bb48e	2015-06-13 03:28:10 +0000	[diff] [blame]	1136	r600) TARGETS_TO_BUILD="AMDGPU $TARGETS_TO_BUILD" ;;
Jeffrey Yasskin	42a49df	2009-09-23 17:05:42 +0000	[diff] [blame]	1137	host) case "$llvm_cv_target_arch" in
				1138	x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
				1139	x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
				1140	Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
				1141	PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
Tim Northover	3b0846e	2014-05-24 12:50:23 +0000	[diff] [blame]	1142	AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
Jeffrey Yasskin	42a49df	2009-09-23 17:05:42 +0000	[diff] [blame]	1143	ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
				1144	Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
Jeffrey Yasskin	42a49df	2009-09-23 17:05:42 +0000	[diff] [blame]	1145	XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
				1146	MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
Tony Linthicum	1213a7a	2011-12-12 21:14:40 +0000	[diff] [blame]	1147	Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
Justin Holewinski	ae556d3	2012-05-04 20:18:50 +0000	[diff] [blame]	1148	NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
Ulrich Weigand	1ceebf6	2013-05-06 16:22:34 +0000	[diff] [blame]	1149	SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
Jeffrey Yasskin	42a49df	2009-09-23 17:05:42 +0000	[diff] [blame]	1150	*) AC_MSG_ERROR([Can not set target to build]) ;;
				1151	esac ;;
Reid Spencer	e482ca8	2005-04-22 17:02:18 +0000	[diff] [blame]	1152	*) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
				1153	esac
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	1154	done
Reid Spencer	e482ca8	2005-04-22 17:02:18 +0000	[diff] [blame]	1155	;;
				1156	esac
Victor Oliveira	9d4b8f5	2012-08-09 01:13:59 +0000	[diff] [blame]	1157
				1158	AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
				1159	[Build experimental host targets: disable or target1,target2,...
				1160	(default=disable)]),,
				1161	enableval=disable)
				1162
				1163	if test ${enableval} != "disable"
				1164	then
				1165	TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
				1166	fi
				1167
Reid Spencer	4742804	2005-04-22 07:27:28 +0000	[diff] [blame]	1168	AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
				1169
Gabor Greif	e0d58d3	2012-01-26 10:28:58 +0000	[diff] [blame]	1170	dnl Determine whether we are building LLVM support for the native architecture.
				1171	dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
Douglas Gregor	7cbf816	2009-06-17 00:42:33 +0000	[diff] [blame]	1172	for a_target in $TARGETS_TO_BUILD; do
				1173	if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
Eric Christopher	e7a9db1	2010-08-30 18:34:48 +0000	[diff] [blame]	1174	AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
Douglas Gregor	7cbf816	2009-06-17 00:42:33 +0000	[diff] [blame]	1175	[LLVM architecture name for the native architecture, if available])
Eric Christopher	e7a9db1	2010-08-30 18:34:48 +0000	[diff] [blame]	1176	LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
				1177	LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
Evan Cheng	8c886a4	2011-07-22 21:58:54 +0000	[diff] [blame]	1178	LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
Eric Christopher	e7a9db1	2010-08-30 18:34:48 +0000	[diff] [blame]	1179	LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
Jan Sjödin	c9a16d5	2011-03-14 22:12:35 +0000	[diff] [blame]	1180	if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
				1181	LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
				1182	fi
Eric Christopher	56079c1	2012-03-26 21:56:56 +0000	[diff] [blame]	1183	if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
				1184	LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
				1185	fi
Eric Christopher	e7a9db1	2010-08-30 18:34:48 +0000	[diff] [blame]	1186	AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
				1187	[LLVM name for the native Target init function, if available])
				1188	AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
				1189	[LLVM name for the native TargetInfo init function, if available])
Evan Cheng	8c886a4	2011-07-22 21:58:54 +0000	[diff] [blame]	1190	AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
				1191	[LLVM name for the native target MC init function, if available])
Eric Christopher	e7a9db1	2010-08-30 18:34:48 +0000	[diff] [blame]	1192	AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
				1193	[LLVM name for the native AsmPrinter init function, if available])
Jan Sjödin	c9a16d5	2011-03-14 22:12:35 +0000	[diff] [blame]	1194	if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
				1195	AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
				1196	[LLVM name for the native AsmParser init function, if available])
				1197	fi
Eric Christopher	56079c1	2012-03-26 21:56:56 +0000	[diff] [blame]	1198	if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
				1199	AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
				1200	[LLVM name for the native Disassembler init function, if available])
				1201	fi
Douglas Gregor	7cbf816	2009-06-17 00:42:33 +0000	[diff] [blame]	1202	fi
				1203	done
				1204
Gabor Greif	e0d58d3	2012-01-26 10:28:58 +0000	[diff] [blame]	1205	dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
				1206	dnl target feature def files.
Douglas Gregor	1b731d5	2009-06-16 20:12:29 +0000	[diff] [blame]	1207	LLVM_ENUM_TARGETS=""
				1208	LLVM_ENUM_ASM_PRINTERS=""
Daniel Dunbar	7147577	2009-07-17 20:42:00 +0000	[diff] [blame]	1209	LLVM_ENUM_ASM_PARSERS=""
Daniel Dunbar	f472129	2009-11-25 04:30:13 +0000	[diff] [blame]	1210	LLVM_ENUM_DISASSEMBLERS=""
Douglas Gregor	1b731d5	2009-06-16 20:12:29 +0000	[diff] [blame]	1211	for target_to_build in $TARGETS_TO_BUILD; do
				1212	LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
Chris Lattner	2877660	2010-11-14 19:10:47 +0000	[diff] [blame]	1213	if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
Eric Christopher	ef91774	2010-10-12 02:42:05 +0000	[diff] [blame]	1214	LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
				1215	fi
Daniel Dunbar	7147577	2009-07-17 20:42:00 +0000	[diff] [blame]	1216	if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
				1217	LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
				1218	fi
Daniel Dunbar	f472129	2009-11-25 04:30:13 +0000	[diff] [blame]	1219	if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
				1220	LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
				1221	fi
Douglas Gregor	1b731d5	2009-06-16 20:12:29 +0000	[diff] [blame]	1222	done
				1223	AC_SUBST(LLVM_ENUM_TARGETS)
				1224	AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
Daniel Dunbar	7147577	2009-07-17 20:42:00 +0000	[diff] [blame]	1225	AC_SUBST(LLVM_ENUM_ASM_PARSERS)
Daniel Dunbar	f472129	2009-11-25 04:30:13 +0000	[diff] [blame]	1226	AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
Douglas Gregor	1b731d5	2009-06-16 20:12:29 +0000	[diff] [blame]	1227
Daniel Dunbar	b4a289c	2009-11-04 04:32:50 +0000	[diff] [blame]	1228	dnl Override the option to use for optimized builds.
				1229	AC_ARG_WITH(optimize-option,
				1230	AS_HELP_STRING([--with-optimize-option],
				1231	[Select the compiler options to use for optimized builds]),,
				1232	withval=default)
				1233	AC_MSG_CHECKING([optimization flags])
				1234	case "$withval" in
				1235	default)
				1236	case "$llvm_cv_os_type" in
Daniel Dunbar	e96fcbb	2010-04-30 17:12:23 +0000	[diff] [blame]	1237	FreeBSD) optimize_option=-O2 ;;
Daniel Dunbar	4e06a5b	2010-04-10 18:56:24 +0000	[diff] [blame]	1238	MingW) optimize_option=-O2 ;;
				1239	*) optimize_option=-O3 ;;
Daniel Dunbar	b4a289c	2009-11-04 04:32:50 +0000	[diff] [blame]	1240	esac ;;
				1241	*) optimize_option="$withval" ;;
				1242	esac
				1243	AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
				1244	AC_MSG_RESULT([$optimize_option])
				1245
Evan Cheng	a7bd00b	2006-06-20 22:16:32 +0000	[diff] [blame]	1246	dnl Specify extra build options
				1247	AC_ARG_WITH(extra-options,
				1248	AS_HELP_STRING([--with-extra-options],
Duncan Sands	ef8c8ec	2009-05-13 13:13:18 +0000	[diff] [blame]	1249	[Specify additional options to compile LLVM with]),,
Reid Spencer	84749ed	2006-07-28 22:50:07 +0000	[diff] [blame]	1250	withval=default)
				1251	case "$withval" in
Evan Cheng	a7bd00b	2006-06-20 22:16:32 +0000	[diff] [blame]	1252	default) EXTRA_OPTIONS= ;;
Reid Spencer	84749ed	2006-07-28 22:50:07 +0000	[diff] [blame]	1253	*) EXTRA_OPTIONS=$withval ;;
Evan Cheng	a7bd00b	2006-06-20 22:16:32 +0000	[diff] [blame]	1254	esac
				1255	AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
Reid Spencer	4742804	2005-04-22 07:27:28 +0000	[diff] [blame]	1256
Daniel Dunbar	0315d4a	2011-06-16 22:30:38 +0000	[diff] [blame]	1257	dnl Specify extra linker build options
				1258	AC_ARG_WITH(extra-ld-options,
				1259	AS_HELP_STRING([--with-extra-ld-options],
				1260	[Specify additional options to link LLVM with]),,
				1261	withval=default)
				1262	case "$withval" in
				1263	default) EXTRA_LD_OPTIONS= ;;
				1264	*) EXTRA_LD_OPTIONS=$withval ;;
				1265	esac
				1266	AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
				1267
Gordon Henriksen	d48f459	2007-10-02 09:50:18 +0000	[diff] [blame]	1268	dnl Allow specific bindings to be specified for building (or not)
				1269	AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
				1270	[Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
				1271	enableval=default)
				1272	BINDINGS_TO_BUILD=""
				1273	case "$enableval" in
Gordon Henriksen	61400d1	2007-10-02 10:14:32 +0000	[diff] [blame]	1274	yes \| default \| auto) BINDINGS_TO_BUILD="auto" ;;
Gordon Henriksen	d48f459	2007-10-02 09:50:18 +0000	[diff] [blame]	1275	all ) BINDINGS_TO_BUILD="ocaml" ;;
				1276	none \| no) BINDINGS_TO_BUILD="" ;;
				1277	*)for a_binding in `echo $enableval\|sed -e 's/,/ /g' ` ; do
				1278	case "$a_binding" in
				1279	ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
				1280	*) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
				1281	esac
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	1282	done
Gordon Henriksen	d48f459	2007-10-02 09:50:18 +0000	[diff] [blame]	1283	;;
				1284	esac
				1285
Gordon Henriksen	3be1f10	2007-10-02 16:42:10 +0000	[diff] [blame]	1286	dnl Allow the ocaml libdir to be overridden. This could go in a configure
				1287	dnl script for bindings/ocaml/configure, except that its auto value depends on
				1288	dnl OCAMLC, which is found here to support tests.
				1289	AC_ARG_WITH([ocaml-libdir],
				1290	[AS_HELP_STRING([--with-ocaml-libdir],
				1291	[Specify install location for ocaml bindings (default is stdlib)])],
				1292	[],
				1293	[withval=auto])
				1294	case "$withval" in
				1295	auto) with_ocaml_libdir="$withval" ;;
				1296	/* \| [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
				1297	*) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
				1298	esac
				1299
NAKAMURA Takumi	914f192	2011-10-16 02:54:26 +0000	[diff] [blame]	1300	AC_ARG_WITH(clang-srcdir,
				1301	AS_HELP_STRING([--with-clang-srcdir],
				1302	[Directory to the out-of-tree Clang source]),,
				1303	withval="-")
				1304	case "$withval" in
Dylan Noblesmith	b5190ab	2012-02-02 00:17:33 +0000	[diff] [blame]	1305	-) clang_src_root="" ;;
NAKAMURA Takumi	914f192	2011-10-16 02:54:26 +0000	[diff] [blame]	1306	/* \| [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
				1307	*) clang_src_root="$ac_pwd/$withval" ;;
				1308	esac
				1309	AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
				1310
Chandler Carruth	ffae4a6	2010-10-19 08:21:25 +0000	[diff] [blame]	1311	AC_ARG_WITH(clang-resource-dir,
				1312	AS_HELP_STRING([--with-clang-resource-dir],
				1313	[Relative directory from the Clang binary for resource files]),,
				1314	withval="")
				1315	AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
				1316	[Relative directory for resource files])
				1317
Rafael Espindola	662908c	2009-12-07 00:27:35 +0000	[diff] [blame]	1318	AC_ARG_WITH(c-include-dirs,
Rafael Espindola	d95960b	2009-11-12 05:46:09 +0000	[diff] [blame]	1319	AS_HELP_STRING([--with-c-include-dirs],
				1320	[Colon separated list of directories clang will search for headers]),,
				1321	withval="")
				1322	AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
				1323	[Directories clang will search for headers])
				1324
Rafael Espindola	ec217f6	2012-02-03 00:59:30 +0000	[diff] [blame]	1325	# Clang normally uses the system c++ headers and libraries. With this option,
				1326	# clang will use the ones provided by a gcc installation instead. This option should
				1327	# be passed the same value that was used with --prefix when configuring gcc.
				1328	AC_ARG_WITH(gcc-toolchain,
				1329	AS_HELP_STRING([--with-gcc-toolchain],
				1330	[Directory where gcc is installed.]),,
Rafael Espindola	65e9be6d	2009-11-16 19:46:55 +0000	[diff] [blame]	1331	withval="")
Rafael Espindola	ec217f6	2012-02-03 00:59:30 +0000	[diff] [blame]	1332	AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
				1333	[Directory where gcc is installed.])
Rafael Espindola	65e9be6d	2009-11-16 19:46:55 +0000	[diff] [blame]	1334
Sebastian Pop	e29a6c7	2012-04-30 20:06:58 +0000	[diff] [blame]	1335	AC_ARG_WITH(default-sysroot,
Sebastian Pop	5c9e184	2012-04-16 04:11:45 +0000	[diff] [blame]	1336	AS_HELP_STRING([--with-default-sysroot],
				1337	[Add --sysroot=<path> to all compiler invocations.]),,
				1338	withval="")
				1339	AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
				1340	[Default <path> to all compiler invocations for --sysroot=<path>.])
				1341
Chandler Carruth	cc83ce4	2015-05-28 01:47:22 +0000	[diff] [blame]	1342	AC_ARG_WITH(clang-default-openmp-runtime,
				1343	AS_HELP_STRING([--with-clang-default-openmp-runtime],
				1344	[The default OpenMP runtime for Clang.]),,
Chandler Carruth	9b0a561	2015-05-28 02:17:15 +0000	[diff] [blame]	1345	withval="libgomp")
Chandler Carruth	cc83ce4	2015-05-28 01:47:22 +0000	[diff] [blame]	1346	AC_DEFINE_UNQUOTED(CLANG_DEFAULT_OPENMP_RUNTIME,"$withval",
				1347	[Default OpenMP runtime used by -fopenmp.])
				1348
Nick Lewycky	edd8946b	2009-02-03 07:10:08 +0000	[diff] [blame]	1349	dnl Allow linking of LLVM with GPLv3 binutils code.
				1350	AC_ARG_WITH(binutils-include,
				1351	AS_HELP_STRING([--with-binutils-include],
				1352	[Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
				1353	withval=default)
				1354	case "$withval" in
				1355	default) WITH_BINUTILS_INCDIR=default ;;
				1356	/* \| [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
				1357	*) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
				1358	esac
				1359	if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
				1360	AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
				1361	if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
				1362	echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
				1363	AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
				1364	fi
				1365	fi
				1366
Chad Rosier	445d39b	2011-07-15 00:37:26 +0000	[diff] [blame]	1367	dnl Specify the URL where bug reports should be submitted.
				1368	AC_ARG_WITH(bug-report-url,
				1369	AS_HELP_STRING([--with-bug-report-url],
Chad Rosier	8c9d9b2	2011-08-02 20:53:43 +0000	[diff] [blame]	1370	[Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
				1371	withval="http://llvm.org/bugs/")
Chad Rosier	445d39b	2011-07-15 00:37:26 +0000	[diff] [blame]	1372	AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
				1373	[Bug report URL.])
				1374
Chandler Carruth	f11f1e4	2013-08-12 09:49:17 +0000	[diff] [blame]	1375	dnl --enable-terminfo: check whether the user wants to control use of terminfo:
				1376	AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
				1377	[--enable-terminfo],
				1378	[Query the terminfo database if available (default is YES)]),
Chandler Carruth	cad7e5e	2013-08-07 08:47:36 +0000	[diff] [blame]	1379	[case "$enableval" in
Chandler Carruth	f11f1e4	2013-08-12 09:49:17 +0000	[diff] [blame]	1380	yes) llvm_cv_enable_terminfo="yes" ;;
				1381	no) llvm_cv_enable_terminfo="no" ;;
				1382	*) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
Chandler Carruth	cad7e5e	2013-08-07 08:47:36 +0000	[diff] [blame]	1383	esac],
Chandler Carruth	f11f1e4	2013-08-12 09:49:17 +0000	[diff] [blame]	1384	llvm_cv_enable_terminfo="yes")
NAKAMURA Takumi	84e8530	2014-02-09 16:36:42 +0000	[diff] [blame]	1385	case "$llvm_cv_enable_terminfo" in
				1386	yes) AC_SUBST(ENABLE_TERMINFO,[1]) ;;
				1387	no) AC_SUBST(ENABLE_TERMINFO,[0]) ;;
				1388	esac
Chandler Carruth	cad7e5e	2013-08-07 08:47:36 +0000	[diff] [blame]	1389
Peter Collingbourne	c7d437c	2014-01-31 23:46:14 +0000	[diff] [blame]	1390	dnl --enable-libedit: check whether the user wants to turn off libedit.
				1391	AC_ARG_ENABLE(libedit,AS_HELP_STRING(
				1392	[--enable-libedit],
				1393	[Use libedit if available (default is YES)]),
				1394	[case "$enableval" in
				1395	yes) llvm_cv_enable_libedit="yes" ;;
				1396	no) llvm_cv_enable_libedit="no" ;;
				1397	*) AC_MSG_ERROR([Invalid setting for --enable-libedit. Use "yes" or "no"]) ;;
				1398	esac],
				1399	llvm_cv_enable_libedit="yes")
				1400
Nick Lewycky	9ab256ac	2009-06-06 06:24:44 +0000	[diff] [blame]	1401	dnl --enable-libffi : check whether the user wants to turn off libffi:
				1402	AC_ARG_ENABLE(libffi,AS_HELP_STRING(
Jeffrey Yasskin	914050b	2010-02-09 23:03:44 +0000	[diff] [blame]	1403	--enable-libffi,[Check for the presence of libffi (default is NO)]),
				1404	[case "$enableval" in
				1405	yes) llvm_cv_enable_libffi="yes" ;;
				1406	no) llvm_cv_enable_libffi="no" ;;
				1407	*) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
				1408	esac],
				1409	llvm_cv_enable_libffi=no)
Nick Lewycky	9ab256ac	2009-06-06 06:24:44 +0000	[diff] [blame]	1410
Bob Wilson	3f35470	2011-11-28 07:59:52 +0000	[diff] [blame]	1411	AC_ARG_WITH(internal-prefix,
				1412	AS_HELP_STRING([--with-internal-prefix],
				1413	[Installation directory for internal files]),,
				1414	withval="")
				1415	AC_SUBST(INTERNAL_PREFIX,[$withval])
				1416
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1417	dnl===-----------------------------------------------------------------------===
				1418	dnl===
				1419	dnl=== SECTION 4: Check for programs we need and that they are the right version
				1420	dnl===
				1421	dnl===-----------------------------------------------------------------------===
Reid Spencer	67be17a	2004-08-31 14:20:36 +0000	[diff] [blame]	1422
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1423	dnl Check for the tools that the makefiles require
				1424	AC_CHECK_GNU_MAKE
				1425	AC_PROG_LN_S
Rafael Espindola	fd1355a	2014-02-28 18:17:54 +0000	[diff] [blame]	1426	AC_PATH_PROG(NM, [nm], [nm])
Reid Spencer	d42d5d4	2004-12-16 17:48:14 +0000	[diff] [blame]	1427	AC_PATH_PROG(CMP, [cmp], [cmp])
				1428	AC_PATH_PROG(CP, [cp], [cp])
Reid Spencer	0194c9a	2004-11-29 04:56:35 +0000	[diff] [blame]	1429	AC_PATH_PROG(DATE, [date], [date])
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1430	AC_PATH_PROG(FIND, [find], [find])
				1431	AC_PATH_PROG(GREP, [grep], [grep])
				1432	AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
Reid Spencer	0194c9a	2004-11-29 04:56:35 +0000	[diff] [blame]	1433	AC_PATH_PROG(MV, [mv], [mv])
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1434	AC_PROG_RANLIB
Torok Edwin	1e86bc5	2010-01-26 08:48:04 +0000	[diff] [blame]	1435	AC_CHECK_TOOL(AR, ar, false)
Reid Spencer	0194c9a	2004-11-29 04:56:35 +0000	[diff] [blame]	1436	AC_PATH_PROG(RM, [rm], [rm])
				1437	AC_PATH_PROG(SED, [sed], [sed])
				1438	AC_PATH_PROG(TAR, [tar], [gtar])
Reid Spencer	9372247e	2006-07-28 05:05:00 +0000	[diff] [blame]	1439	AC_PATH_PROG(BINPWD,[pwd], [pwd])
Reid Spencer	432b315	2006-06-02 23:13:18 +0000	[diff] [blame]	1440
				1441	dnl Looking for misc. graph plotting software
Reid Spencer	627023a	2006-06-05 15:54:38 +0000	[diff] [blame]	1442	AC_PATH_PROG(DOT, [dot], [echo dot])
				1443	if test "$DOT" != "echo dot" ; then
				1444	AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
				1445	dnl If we're targeting for mingw we should emit windows paths, not msys
Jeff Cohen	c5e5b27	2007-01-12 18:22:38 +0000	[diff] [blame]	1446	if test "$llvm_cv_os_type" = "MingW" ; then
Reid Spencer	627023a	2006-06-05 15:54:38 +0000	[diff] [blame]	1447	DOT=`echo $DOT \| sed 's/^\/$[[A-Za-z]]$\//\1:\//' `
				1448	fi
				1449	AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
				1450	[Define to path to dot program if found or 'echo dot' otherwise])
				1451	fi
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1452
				1453	dnl Find the install program
				1454	AC_PROG_INSTALL
Eric Christopher	c7289b6	2010-07-22 21:13:40 +0000	[diff] [blame]	1455	dnl Prepend src dir to install path dir if it's a relative path
				1456	dnl This is a hack for installs that take place in something other
				1457	dnl than the top level.
				1458	case "$INSTALL" in
				1459	[[\\/$]]* \| ?:[[\\/]]* ) ;;
				1460	*) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
				1461	esac
John Criswell	7a3334d	2003-07-22 19:13:20 +0000	[diff] [blame]	1462
Reid Spencer	0194c9a	2004-11-29 04:56:35 +0000	[diff] [blame]	1463	dnl Checks for documentation and testing tools that we can do without. If these
				1464	dnl are not found then they are set to "true" which always succeeds but does
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	1465	dnl nothing. This just lets the build output show that we could have done
				1466	dnl something if the tool was available.
Bill Wendling	5ddd03d	2008-03-05 09:28:02 +0000	[diff] [blame]	1467	AC_PATH_PROG(BZIP2, [bzip2])
mike-m	e08af30	2010-05-06 23:45:43 +0000	[diff] [blame]	1468	AC_PATH_PROG(CAT, [cat])
Bill Wendling	5ddd03d	2008-03-05 09:28:02 +0000	[diff] [blame]	1469	AC_PATH_PROG(DOXYGEN, [doxygen])
Daniel Dunbar	d188882	2012-05-08 18:26:07 +0000	[diff] [blame]	1470	AC_PATH_PROG(GROFF, [groff])
Eric Christopher	7756089	2010-12-10 01:31:51 +0000	[diff] [blame]	1471	AC_PATH_PROG(GZIPBIN, [gzip])
Daniel Dunbar	d188882	2012-05-08 18:26:07 +0000	[diff] [blame]	1472	AC_PATH_PROG(PDFROFF, [pdfroff])
Bill Wendling	5ddd03d	2008-03-05 09:28:02 +0000	[diff] [blame]	1473	AC_PATH_PROG(ZIP, [zip])
Peter Collingbourne	82e3e37	2014-10-16 22:48:02 +0000	[diff] [blame]	1474	AC_PATH_PROG(GO, [go])
Peter Zotov	668f967	2014-10-30 08:29:45 +0000	[diff] [blame]	1475	AC_PATH_PROGS(OCAMLFIND, [ocamlfind])
Daniel Dunbar	d188882	2012-05-08 18:26:07 +0000	[diff] [blame]	1476	AC_PATH_PROGS(GAS, [gas as])
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1477
Daniel Dunbar	b524afb	2010-08-11 23:53:59 +0000	[diff] [blame]	1478	dnl Get the version of the linker in use.
				1479	AC_LINK_GET_VERSION
				1480
Nick Lewycky	16aac99	2009-03-05 08:20:21 +0000	[diff] [blame]	1481	dnl Determine whether the linker supports the -R option.
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1482	AC_LINK_USE_R
				1483
Bob Wilson	8658b91	2013-08-02 22:51:06 +0000	[diff] [blame]	1484	dnl Determine whether the compiler supports the -rdynamic option.
Nick Lewycky	16aac99	2009-03-05 08:20:21 +0000	[diff] [blame]	1485	AC_LINK_EXPORT_DYNAMIC
				1486
Dan Gohman	b7edb42	2010-06-01 14:56:56 +0000	[diff] [blame]	1487	dnl Determine whether the linker supports the --version-script option.
				1488	AC_LINK_VERSION_SCRIPT
Dan Gohman	91f8ad7	2010-04-16 22:58:15 +0000	[diff] [blame]	1489
Rafael Espindola	fd1355a	2014-02-28 18:17:54 +0000	[diff] [blame]	1490	AC_CHECK_HEADERS([errno.h])
				1491
				1492	case "$llvm_cv_os_type" in
				1493	Cygwin\|MingW\|Win32) llvm_shlib_ext=.dll ;;
				1494	Darwin) llvm_shlib_ext=.dylib ;;
				1495	*) llvm_shlib_ext=.so ;;
				1496	esac
				1497
				1498	AC_DEFINE_UNQUOTED([LTDL_SHLIB_EXT], ["$llvm_shlib_ext"], [The shared library extension])
Mikhail Glushenkov	2c332fe	2009-04-21 19:46:10 +0000	[diff] [blame]	1499
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1500	AC_MSG_CHECKING([tool compatibility])
				1501
Reid Spencer	ca06c8e	2004-12-08 23:07:27 +0000	[diff] [blame]	1502	dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
				1503	dnl ICC; we use GCC specific options in the makefiles so the compiler needs
				1504	dnl to support those options.
				1505	dnl "icc" emits gcc signatures
				1506	dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
				1507	ICC=no
				1508	IXX=no
				1509	case $CC in
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	1510	icc\|icpc)
Reid Spencer	ca06c8e	2004-12-08 23:07:27 +0000	[diff] [blame]	1511	ICC=yes
				1512	IXX=yes
				1513	;;
				1514	*)
				1515	;;
				1516	esac
				1517
Duraid Madina	8604de8	2006-02-15 07:57:42 +0000	[diff] [blame]	1518	if test "$GCC" != "yes" && test "$ICC" != "yes"
				1519	then
				1520	AC_MSG_ERROR([gcc\|icc required but not found])
				1521	fi
				1522
Daniel Dunbar	00e7a84	2010-12-08 01:48:03 +0000	[diff] [blame]	1523	dnl Ensure that compilation tools are compatible with GCC extensions
Duraid Madina	8604de8	2006-02-15 07:57:42 +0000	[diff] [blame]	1524	if test "$GXX" != "yes" && test "$IXX" != "yes"
				1525	then
Daniel Dunbar	00e7a84	2010-12-08 01:48:03 +0000	[diff] [blame]	1526	AC_MSG_ERROR([g++\|clang++\|icc required but not found])
Duraid Madina	8604de8	2006-02-15 07:57:42 +0000	[diff] [blame]	1527	fi
				1528
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1529	dnl Verify that GCC is version 3.0 or higher
Reid Spencer	ca06c8e	2004-12-08 23:07:27 +0000	[diff] [blame]	1530	if test "$GCC" = "yes"
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1531	then
NAKAMURA Takumi	e5bc87c	2013-01-30 01:37:55 +0000	[diff] [blame]	1532	AC_COMPILE_IFELSE(
				1533	[
				1534	AC_LANG_SOURCE([[
				1535	#if !defined(__GNUC__) \|\| __GNUC__ < 3
				1536	#error Unsupported GCC version
				1537	#endif
				1538	]])
				1539	],
				1540	[], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1541	fi
				1542
				1543	dnl Check for GNU Make. We use its extensions, so don't build without it
				1544	if test -z "$llvm_cv_gnu_make_command"
				1545	then
				1546	AC_MSG_ERROR([GNU Make required but not found])
				1547	fi
				1548
				1549	dnl Tool compatibility is okay if we make it here.
				1550	AC_MSG_RESULT([ok])
				1551
Eric Christopher	b3762a0	2010-03-02 05:17:21 +0000	[diff] [blame]	1552	dnl Check optional compiler flags.
Julien Lerouge	e4492f6	2009-10-26 19:58:44 +0000	[diff] [blame]	1553	AC_MSG_CHECKING([optional compiler flags])
				1554	CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
				1555	CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
Rafael Espindola	42e94d1	2012-02-28 23:32:06 +0000	[diff] [blame]	1556	CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
Dmitri Gribenko	b5e23ef	2013-02-13 21:19:39 +0000	[diff] [blame]	1557
David Greene	9ff8d47	2013-01-09 22:11:13 +0000	[diff] [blame]	1558	dnl GCC's potential uninitialized use analysis is weak and presents lots of
				1559	dnl false positives, so disable it.
Dmitri Gribenko	b5e23ef	2013-02-13 21:19:39 +0000	[diff] [blame]	1560	NO_UNINITIALIZED=
				1561	NO_MAYBE_UNINITIALIZED=
David Greene	9ff8d47	2013-01-09 22:11:13 +0000	[diff] [blame]	1562	if test "$GXX" = "yes"
				1563	then
				1564	CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
				1565	dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
Dmitri Gribenko	b5e23ef	2013-02-13 21:19:39 +0000	[diff] [blame]	1566	dnl known to be uninitialized from cases which might be uninitialized. We
David Greene	9ff8d47	2013-01-09 22:11:13 +0000	[diff] [blame]	1567	dnl still want to catch the first kind of errors.
Dmitri Gribenko	b5e23ef	2013-02-13 21:19:39 +0000	[diff] [blame]	1568	if test -z "$NO_MAYBE_UNINITIALIZED"
David Greene	9ff8d47	2013-01-09 22:11:13 +0000	[diff] [blame]	1569	then
				1570	CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
David Greene	9ff8d47	2013-01-09 22:11:13 +0000	[diff] [blame]	1571	fi
David Greene	9ff8d47	2013-01-09 22:11:13 +0000	[diff] [blame]	1572	fi
Eric Christopher	65ec83b	2014-11-05 00:35:15 +0000	[diff] [blame]	1573
				1574	dnl Check for misbehaving -Wcomment (gcc-4.7 has this) and maybe add
				1575	dnl -Wno-comment to the flags.
				1576	no_comment=
				1577	llvm_cv_old_cxxflags="$CXXFLAGS"
				1578	CXXFLAGS="$CXXFLAGS -Wcomment -Werror"
				1579	AC_COMPILE_IFELSE(
				1580	[
				1581	AC_LANG_SOURCE([[// Comment \o\
				1582	// Another comment
				1583	int main() { return 0; }
				1584	]])
				1585	],
				1586	[
				1587	no_comment=-Wno-comment
				1588	],
				1589	[])
				1590	AC_SUBST(NO_COMMENT, [$no_comment])
				1591	CXXFLAGS="$llvm_cv_old_cxxflags"
				1592
				1593	AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED $NO_COMMENT])
David Greene	9ff8d47	2013-01-09 22:11:13 +0000	[diff] [blame]	1594
Saleem Abdulrasool	26127bd	2013-01-30 04:07:37 +0000	[diff] [blame]	1595	AC_ARG_WITH([python],
				1596	[AS_HELP_STRING([--with-python], [path to python])],
				1597	[PYTHON="$withval"])
				1598
				1599	if test -n "$PYTHON" && test -x "$PYTHON" ; then
				1600	AC_MSG_CHECKING([for python])
				1601	AC_MSG_RESULT([user defined: $with_python])
				1602	else
				1603	if test -n "$PYTHON" ; then
				1604	AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
				1605	fi
				1606
Rafael Espindola	21a40085	2014-12-12 15:29:31 +0000	[diff] [blame]	1607	AC_PATH_PROG([PYTHON], [python python2 python27],
Saleem Abdulrasool	26127bd	2013-01-30 04:07:37 +0000	[diff] [blame]	1608	[AC_MSG_RESULT([not found])
Rafael Espindola	21a40085	2014-12-12 15:29:31 +0000	[diff] [blame]	1609	AC_MSG_ERROR([could not find python 2.7 or higher])])
Saleem Abdulrasool	26127bd	2013-01-30 04:07:37 +0000	[diff] [blame]	1610	fi
				1611
Rafael Espindola	21a40085	2014-12-12 15:29:31 +0000	[diff] [blame]	1612	AC_MSG_CHECKING([for python >= 2.7])
Bill Wendling	58463e4e8	2013-10-12 08:42:59 +0000	[diff] [blame]	1613	ac_python_version=`$PYTHON -V 2>&1 \| cut -d' ' -f2`
Saleem Abdulrasool	26127bd	2013-01-30 04:07:37 +0000	[diff] [blame]	1614	ac_python_version_major=`echo $ac_python_version \| cut -d'.' -f1`
				1615	ac_python_version_minor=`echo $ac_python_version \| cut -d'.' -f2`
				1616	ac_python_version_patch=`echo $ac_python_version \| cut -d'.' -f3`
Bill Wendling	58463e4e8	2013-10-12 08:42:59 +0000	[diff] [blame]	1617	if test "$ac_python_version_major" -gt "2" \|\| \
				1618	(test "$ac_python_version_major" -eq "2" && \
Rafael Espindola	21a40085	2014-12-12 15:29:31 +0000	[diff] [blame]	1619	test "$ac_python_version_minor" -ge "7") ; then
Saleem Abdulrasool	26127bd	2013-01-30 04:07:37 +0000	[diff] [blame]	1620	AC_MSG_RESULT([$PYTHON ($ac_python_version)])
				1621	else
				1622	AC_MSG_RESULT([not found])
Rafael Espindola	21a40085	2014-12-12 15:29:31 +0000	[diff] [blame]	1623	AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.7])
Saleem Abdulrasool	26127bd	2013-01-30 04:07:37 +0000	[diff] [blame]	1624	fi
Julien Lerouge	e4492f6	2009-10-26 19:58:44 +0000	[diff] [blame]	1625
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1626	dnl===-----------------------------------------------------------------------===
				1627	dnl===
				1628	dnl=== SECTION 5: Check for libraries
				1629	dnl===
				1630	dnl===-----------------------------------------------------------------------===
				1631
Reid Spencer	ec4a7f52	2006-01-19 08:31:08 +0000	[diff] [blame]	1632	AC_CHECK_LIB(m,sin)
Jeff Cohen	c5e5b27	2007-01-12 18:22:38 +0000	[diff] [blame]	1633	if test "$llvm_cv_os_type" = "MingW" ; then
Reid Spencer	187b4ad	2006-06-01 19:03:21 +0000	[diff] [blame]	1634	AC_CHECK_LIB(imagehlp, main)
				1635	AC_CHECK_LIB(psapi, main)
David Majnemer	61eae2e	2013-10-07 01:00:07 +0000	[diff] [blame]	1636	AC_CHECK_LIB(shell32, main)
Reid Spencer	a16b986	2006-06-01 16:55:59 +0000	[diff] [blame]	1637	fi
Reid Spencer	cd59fb7	2005-07-12 07:19:13 +0000	[diff] [blame]	1638
Brian Gaeke	25f2a37	2003-10-07 05:03:36 +0000	[diff] [blame]	1639	dnl dlopen() is required for plugin support.
NAKAMURA Takumi	84e8530	2014-02-09 16:36:42 +0000	[diff] [blame]	1640	AC_SEARCH_LIBS(dlopen,dl,LLVM_DEFINE_SUBST([HAVE_DLOPEN],[1],
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1641	[Define if dlopen() is available on this platform.]),
				1642	AC_MSG_WARN([dlopen() not found - disabling plugin support]))
John Criswell	7a3334d	2003-07-22 19:13:20 +0000	[diff] [blame]	1643
Chandler Carruth	d121a7b	2013-01-05 00:29:06 +0000	[diff] [blame]	1644	dnl Search for the clock_gettime() function. Note that we rely on the POSIX
Chandler Carruth	4a77863	2013-01-05 00:34:40 +0000	[diff] [blame]	1645	dnl macros to detect whether clock_gettime is available, this just finds the
				1646	dnl right libraries to link with.
Chandler Carruth	d121a7b	2013-01-05 00:29:06 +0000	[diff] [blame]	1647	AC_SEARCH_LIBS(clock_gettime,rt)
Chandler Carruth	ef7f968	2013-01-04 23:19:55 +0000	[diff] [blame]	1648
Chandler Carruth	cad7e5e	2013-08-07 08:47:36 +0000	[diff] [blame]	1649	dnl The curses library is optional; used for querying terminal info
Chandler Carruth	f11f1e4	2013-08-12 09:49:17 +0000	[diff] [blame]	1650	if test "$llvm_cv_enable_terminfo" = "yes" ; then
Chandler Carruth	cad7e5e	2013-08-07 08:47:36 +0000	[diff] [blame]	1651	dnl We need the has_color functionality in curses for it to be useful.
Joerg Sonnenberger	4e5a399	2013-08-17 11:06:00 +0000	[diff] [blame]	1652	AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw,
NAKAMURA Takumi	84e8530	2014-02-09 16:36:42 +0000	[diff] [blame]	1653	LLVM_DEFINE_SUBST([HAVE_TERMINFO],[1],
				1654	[Define if the setupterm() function is supported this platform.]))
Chandler Carruth	cad7e5e	2013-08-07 08:47:36 +0000	[diff] [blame]	1655	fi
				1656
Peter Collingbourne	c7d437c	2014-01-31 23:46:14 +0000	[diff] [blame]	1657	dnl The libedit library is optional; used by lib/LineEditor
				1658	if test "$llvm_cv_enable_libedit" = "yes" ; then
				1659	AC_SEARCH_LIBS(el_init,edit,
				1660	AC_DEFINE([HAVE_LIBEDIT],[1],
				1661	[Define if libedit is available on this platform.]))
				1662	fi
				1663
Nick Lewycky	a89ec99	2009-02-04 06:26:47 +0000	[diff] [blame]	1664	dnl libffi is optional; used to call external functions from the interpreter
Nick Lewycky	9ab256ac	2009-06-06 06:24:44 +0000	[diff] [blame]	1665	if test "$llvm_cv_enable_libffi" = "yes" ; then
				1666	AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
				1667	[Define if libffi is available on this platform.]),
Jeffrey Yasskin	914050b	2010-02-09 23:03:44 +0000	[diff] [blame]	1668	AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
Nick Lewycky	9ab256ac	2009-06-06 06:24:44 +0000	[diff] [blame]	1669	fi
Nick Lewycky	a89ec99	2009-02-04 06:26:47 +0000	[diff] [blame]	1670
John Criswell	7a3334d	2003-07-22 19:13:20 +0000	[diff] [blame]	1671	dnl mallinfo is optional; the code can compile (minus features) without it
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1672	AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
				1673	[Define if mallinfo() is available on this platform.]))
John Criswell	7a3334d	2003-07-22 19:13:20 +0000	[diff] [blame]	1674
Brian Gaeke	7ee7b40	2003-12-05 19:29:01 +0000	[diff] [blame]	1675	dnl pthread locking functions are optional - but llvm will not be thread-safe
				1676	dnl without locks.
Dylan Noblesmith	efddf20	2011-11-28 00:48:58 +0000	[diff] [blame]	1677	if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
Edward O'Callaghan	edea326	2009-10-14 11:12:33 +0000	[diff] [blame]	1678	AC_CHECK_LIB(pthread, pthread_mutex_init)
Reid Spencer	f85fabeb	2005-08-24 10:07:20 +0000	[diff] [blame]	1679	AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
				1680	AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
				1681	[Have pthread_mutex_lock]))
Owen Anderson	a149e22	2009-06-16 18:20:20 +0000	[diff] [blame]	1682	AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
				1683	AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
				1684	[Have pthread_rwlock_init]))
Owen Anderson	1154983	2009-06-25 23:10:26 +0000	[diff] [blame]	1685	AC_SEARCH_LIBS(pthread_getspecific,pthread,
				1686	AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
				1687	[Have pthread_getspecific]))
Reid Spencer	f85fabeb	2005-08-24 10:07:20 +0000	[diff] [blame]	1688	fi
Brian Gaeke	7ee7b40	2003-12-05 19:29:01 +0000	[diff] [blame]	1689
Alexey Samsonov	2fb337e	2013-04-23 08:28:39 +0000	[diff] [blame]	1690	dnl zlib is optional; used for compression/uncompression
				1691	if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
				1692	AC_CHECK_LIB(z, compress2)
				1693	fi
				1694
Jeffrey Yasskin	bf3d6ba	2009-07-10 21:08:20 +0000	[diff] [blame]	1695	dnl Allow OProfile support for JIT output.
				1696	AC_ARG_WITH(oprofile,
				1697	AS_HELP_STRING([--with-oprofile=<prefix>],
				1698	[Tell OProfile >= 0.9.4 how to symbolize JIT output]),
				1699	[
				1700	AC_SUBST(USE_OPROFILE, [1])
				1701	case "$withval" in
				1702	/usr\|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
Jeffrey Yasskin	2da7231	2009-10-07 23:22:42 +0000	[diff] [blame]	1703	no) llvm_cv_oppath=
				1704	AC_SUBST(USE_OPROFILE, [0]) ;;
Jeffrey Yasskin	bf3d6ba	2009-07-10 21:08:20 +0000	[diff] [blame]	1705	*) llvm_cv_oppath="${withval}/lib/oprofile"
Eric Christopher	46342fe	2012-08-03 17:45:31 +0000	[diff] [blame]	1706	CPPFLAGS="-I${withval}/include";;
Jeffrey Yasskin	bf3d6ba	2009-07-10 21:08:20 +0000	[diff] [blame]	1707	esac
Eli Bendersky	5262ad2	2012-03-13 08:33:15 +0000	[diff] [blame]	1708	case $llvm_cv_os_type in
				1709	Linux)
				1710	if test -n "$llvm_cv_oppath" ; then
				1711	LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
				1712	dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
				1713	dnl libbfd is not included properly in libopagent in some Debian
				1714	dnl versions. If libbfd isn't found at all, we assume opagent works
				1715	dnl anyway.
				1716	AC_SEARCH_LIBS(bfd_init, bfd, [], [])
				1717	AC_SEARCH_LIBS(op_open_agent, opagent, [], [
				1718	echo "Error! You need to have libopagent around."
Sylvestre Ledru	1b3961c	2015-02-01 14:55:43 +0000	[diff] [blame]	1719	exit 1
Eli Bendersky	5262ad2	2012-03-13 08:33:15 +0000	[diff] [blame]	1720	])
				1721	AC_CHECK_HEADER([opagent.h], [], [
				1722	echo "Error! You need to have opagent.h around."
Sylvestre Ledru	1b3961c	2015-02-01 14:55:43 +0000	[diff] [blame]	1723	exit 1
Eli Bendersky	5262ad2	2012-03-13 08:33:15 +0000	[diff] [blame]	1724	])
				1725	fi ;;
				1726	*)
				1727	AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
Peter Zotov	668f967	2014-10-30 08:29:45 +0000	[diff] [blame]	1728	esac
Jeffrey Yasskin	bf3d6ba	2009-07-10 21:08:20 +0000	[diff] [blame]	1729	],
				1730	[
Jeffrey Yasskin	2da7231	2009-10-07 23:22:42 +0000	[diff] [blame]	1731	AC_SUBST(USE_OPROFILE, [0])
Jeffrey Yasskin	bf3d6ba	2009-07-10 21:08:20 +0000	[diff] [blame]	1732	])
Eli Bendersky	5262ad2	2012-03-13 08:33:15 +0000	[diff] [blame]	1733	AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
Jeffrey Yasskin	bf3d6ba	2009-07-10 21:08:20 +0000	[diff] [blame]	1734	[Define if we have the oprofile JIT-support library])
				1735
Eli Bendersky	5262ad2	2012-03-13 08:33:15 +0000	[diff] [blame]	1736	dnl Enable support for Intel JIT Events API.
				1737	AC_ARG_WITH(intel-jitevents,
Andrew Kaylor	5808c7d	2012-09-28 17:35:20 +0000	[diff] [blame]	1738	AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
Eli Bendersky	5262ad2	2012-03-13 08:33:15 +0000	[diff] [blame]	1739	[
Andrew Kaylor	5808c7d	2012-09-28 17:35:20 +0000	[diff] [blame]	1740	case "$withval" in
				1741	yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
				1742	no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
				1743	*) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
				1744	esac
				1745
Eli Bendersky	5262ad2	2012-03-13 08:33:15 +0000	[diff] [blame]	1746	case $llvm_cv_os_type in
				1747	Linux\|Win32\|Cygwin\|MingW) ;;
Andrew Kaylor	5808c7d	2012-09-28 17:35:20 +0000	[diff] [blame]	1748	*) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
Eli Bendersky	5262ad2	2012-03-13 08:33:15 +0000	[diff] [blame]	1749	esac
				1750
Eli Bendersky	5262ad2	2012-03-13 08:33:15 +0000	[diff] [blame]	1751	case "$llvm_cv_target_arch" in
Andrew Kaylor	5808c7d	2012-09-28 17:35:20 +0000	[diff] [blame]	1752	x86\|x86_64) ;;
				1753	*) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
Eli Bendersky	5262ad2	2012-03-13 08:33:15 +0000	[diff] [blame]	1754	esac
Eli Bendersky	5262ad2	2012-03-13 08:33:15 +0000	[diff] [blame]	1755	],
				1756	[
				1757	AC_SUBST(USE_INTEL_JITEVENTS, [0])
				1758	])
				1759	AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
				1760	[Define if we have the Intel JIT API runtime support library])
				1761
Eric Christopher	c807c53	2012-08-03 19:47:19 +0000	[diff] [blame]	1762	dnl Check for libxml2
				1763	dnl Right now we're just checking for the existence, we could also check for a
				1764	dnl particular version via --version on xml2-config
				1765	AC_CHECK_PROGS(XML2CONFIG, xml2-config)
				1766
				1767	AC_MSG_CHECKING(for libxml2 includes)
				1768	if test "x$XML2CONFIG" = "x"; then
				1769	AC_MSG_RESULT(xml2-config not found)
				1770	else
				1771	LIBXML2_INC=`$XML2CONFIG --cflags`
				1772	AC_MSG_RESULT($LIBXML2_INC)
				1773	AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
				1774	LIBXML2_LIBS="-lxml2"])
				1775	fi
				1776	AC_SUBST(LIBXML2_LIBS)
				1777	AC_SUBST(LIBXML2_INC)
				1778
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1779	dnl===-----------------------------------------------------------------------===
				1780	dnl===
				1781	dnl=== SECTION 6: Check for header files
				1782	dnl===
				1783	dnl===-----------------------------------------------------------------------===
				1784
Reid Spencer	8bc110c	2004-12-25 07:31:29 +0000	[diff] [blame]	1785	dnl First, use autoconf provided macros for specific headers that we need
Brian Gaeke	2abe7ae	2004-01-13 06:43:16 +0000	[diff] [blame]	1786	dnl We don't check for ancient stuff or things that are guaranteed to be there
				1787	dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
Reid Spencer	8bc110c	2004-12-25 07:31:29 +0000	[diff] [blame]	1788	dnl Generally we're looking for POSIX headers.
				1789	AC_HEADER_DIRENT
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1790	AC_HEADER_MMAP_ANONYMOUS
Reid Spencer	8bc110c	2004-12-25 07:31:29 +0000	[diff] [blame]	1791	AC_HEADER_STAT
Reid Spencer	8bc110c	2004-12-25 07:31:29 +0000	[diff] [blame]	1792	AC_HEADER_SYS_WAIT
				1793	AC_HEADER_TIME
John Criswell	7a3334d	2003-07-22 19:13:20 +0000	[diff] [blame]	1794
Benjamin Kramer	00622f7	2013-05-03 15:55:06 +0000	[diff] [blame]	1795	AC_LANG_PUSH([C++])
Rui Ueyama	292fb6d	2014-10-27 08:16:18 +0000	[diff] [blame]	1796	dnl size_t must be defined before including cxxabi.h on FreeBSD 10.0.
				1797	AC_CHECK_HEADERS([cxxabi.h], [], [],
				1798	[#include <stddef.h>
				1799	])
Benjamin Kramer	00622f7	2013-05-03 15:55:06 +0000	[diff] [blame]	1800	AC_LANG_POP([C++])
Rui Ueyama	292fb6d	2014-10-27 08:16:18 +0000	[diff] [blame]	1801
Reid Kleckner	37f69de	2013-07-26 16:54:23 +0000	[diff] [blame]	1802	AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
Douglas Gregor	b81294d	2009-05-18 17:21:34 +0000	[diff] [blame]	1803	AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
Reid Kleckner	37f69de	2013-07-26 16:54:23 +0000	[diff] [blame]	1804	AC_CHECK_HEADERS([utime.h])
Daniel Dunbar	80da3fb	2011-02-03 02:39:58 +0000	[diff] [blame]	1805	AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
Reid Kleckner	37f69de	2013-07-26 16:54:23 +0000	[diff] [blame]	1806	AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
Jeffrey Yasskin	3ddd88f	2010-03-15 04:57:55 +0000	[diff] [blame]	1807	AC_CHECK_HEADERS([valgrind/valgrind.h])
Dan Gohman	b48f904	2010-09-17 20:06:27 +0000	[diff] [blame]	1808	AC_CHECK_HEADERS([fenv.h])
Joerg Sonnenberger	8a1177f	2013-03-25 13:13:33 +0000	[diff] [blame]	1809	AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
Dylan Noblesmith	efddf20	2011-11-28 00:48:58 +0000	[diff] [blame]	1810	if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
Reid Spencer	83bcd76	2007-08-17 05:44:59 +0000	[diff] [blame]	1811	AC_CHECK_HEADERS(pthread.h,
Nick Lewycky	a89ec99	2009-02-04 06:26:47 +0000	[diff] [blame]	1812	AC_SUBST(HAVE_PTHREAD, 1),
				1813	AC_SUBST(HAVE_PTHREAD, 0))
Reid Spencer	d439992	2006-12-01 00:37:14 +0000	[diff] [blame]	1814	else
				1815	AC_SUBST(HAVE_PTHREAD, 0)
Reid Spencer	f85fabeb	2005-08-24 10:07:20 +0000	[diff] [blame]	1816	fi
Alexey Samsonov	2fb337e	2013-04-23 08:28:39 +0000	[diff] [blame]	1817	if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
				1818	AC_CHECK_HEADERS(zlib.h,
				1819	AC_SUBST(HAVE_LIBZ, 1),
				1820	AC_SUBST(HAVE_LIBZ, 0))
				1821	else
				1822	AC_SUBST(HAVE_LIBZ, 0)
				1823	fi
Brian Gaeke	090ed13	2004-02-23 22:07:01 +0000	[diff] [blame]	1824
Nick Lewycky	e54da99	2009-04-13 04:26:06 +0000	[diff] [blame]	1825	dnl Try to find ffi.h.
Nick Lewycky	9ab256ac	2009-06-06 06:24:44 +0000	[diff] [blame]	1826	if test "$llvm_cv_enable_libffi" = "yes" ; then
				1827	AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
				1828	fi
Nick Lewycky	a89ec99	2009-02-04 06:26:47 +0000	[diff] [blame]	1829
Eric Christopher	ca46673	2010-12-03 07:45:22 +0000	[diff] [blame]	1830	dnl Try to find Darwin specific crash reporting libraries.
Eric Christopher	e9c1bb6	2010-06-22 21:01:04 +0000	[diff] [blame]	1831	AC_CHECK_HEADERS([CrashReporterClient.h])
				1832
Eric Christopher	ca46673	2010-12-03 07:45:22 +0000	[diff] [blame]	1833	dnl Try to find Darwin specific crash reporting global.
Eric Christopher	ba4f772	2010-12-07 02:05:42 +0000	[diff] [blame]	1834	AC_MSG_CHECKING([__crashreporter_info__])
				1835	AC_LINK_IFELSE(
NAKAMURA Takumi	e5bc87c	2013-01-30 01:37:55 +0000	[diff] [blame]	1836	[
				1837	AC_LANG_SOURCE([[
				1838	extern const char *__crashreporter_info__;
				1839	int main() {
				1840	__crashreporter_info__ = "test";
				1841	return 0;
				1842	}
				1843	]])
				1844	],
				1845	[
				1846	AC_MSG_RESULT([yes])
NAKAMURA Takumi	58da26b	2013-01-30 01:38:03 +0000	[diff] [blame]	1847	AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
NAKAMURA Takumi	e5bc87c	2013-01-30 01:37:55 +0000	[diff] [blame]	1848	],
				1849	[
				1850	AC_MSG_RESULT([no])
NAKAMURA Takumi	58da26b	2013-01-30 01:38:03 +0000	[diff] [blame]	1851	AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
NAKAMURA Takumi	e5bc87c	2013-01-30 01:37:55 +0000	[diff] [blame]	1852	])
Eric Christopher	ba4f772	2010-12-07 02:05:42 +0000	[diff] [blame]	1853
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1854	dnl===-----------------------------------------------------------------------===
				1855	dnl===
				1856	dnl=== SECTION 7: Check for types and structures
				1857	dnl===
				1858	dnl===-----------------------------------------------------------------------===
				1859
Reid Spencer	128ae10	2006-11-03 18:04:08 +0000	[diff] [blame]	1860	AC_HUGE_VAL_CHECK
John Criswell	7a3334d	2003-07-22 19:13:20 +0000	[diff] [blame]	1861	AC_TYPE_PID_T
				1862	AC_TYPE_SIZE_T
Torok Edwin	1e86bc5	2010-01-26 08:48:04 +0000	[diff] [blame]	1863	AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1864	AC_STRUCT_TM
John Criswell	7a3334d	2003-07-22 19:13:20 +0000	[diff] [blame]	1865	AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
Reid Spencer	ab2228a	2004-09-02 21:38:24 +0000	[diff] [blame]	1866	AC_CHECK_TYPES([uint64_t],,
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1867	AC_CHECK_TYPES([u_int64_t],,
				1868	AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
John Criswell	7a3334d	2003-07-22 19:13:20 +0000	[diff] [blame]	1869
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1870	dnl===-----------------------------------------------------------------------===
				1871	dnl===
				1872	dnl=== SECTION 8: Check for specific functions needed
				1873	dnl===
				1874	dnl===-----------------------------------------------------------------------===
				1875
Benjamin Kramer	37dce44	2015-03-09 18:35:18 +0000	[diff] [blame]	1876	AC_CHECK_FUNCS([backtrace getcwd ])
Gabor Greif	f307d94	2007-07-13 09:48:29 +0000	[diff] [blame]	1877	AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
Anton Korobeynikov	d01defe	2007-02-16 19:11:07 +0000	[diff] [blame]	1878	AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
Reid Kleckner	37f69de	2013-07-26 16:54:23 +0000	[diff] [blame]	1879	AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
Todd Fiala	4ccfe39	2014-02-05 05:04:36 +0000	[diff] [blame]	1880	AC_CHECK_FUNCS([strerror strerror_r setenv ])
Chris Lattner	58cee55	2005-11-14 07:24:17 +0000	[diff] [blame]	1881	AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
Daniel Dunbar	80da3fb	2011-02-03 02:39:58 +0000	[diff] [blame]	1882	AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
Eric Christopher	a24dc7f	2013-07-04 01:10:38 +0000	[diff] [blame]	1883	AC_CHECK_FUNCS([futimes futimens])
John Criswell	4285955	2003-10-13 16:22:01 +0000	[diff] [blame]	1884	AC_C_PRINTF_A
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1885	AC_FUNC_RAND48
John Criswell	4285955	2003-10-13 16:22:01 +0000	[diff] [blame]	1886
Todd Fiala	4ccfe39	2014-02-05 05:04:36 +0000	[diff] [blame]	1887	dnl Check for arc4random accessible via AC_INCLUDES_DEFAULT.
				1888	AC_CHECK_DECLS([arc4random])
				1889
NAKAMURA Takumi	18911180	2011-02-09 04:18:48 +0000	[diff] [blame]	1890	dnl Check the declaration "Secure API" on Windows environments.
				1891	AC_CHECK_DECLS([strerror_s])
				1892
NAKAMURA Takumi	03a541f	2011-02-05 15:11:53 +0000	[diff] [blame]	1893	dnl Check symbols in libgcc.a for JIT on Mingw.
				1894	if test "$llvm_cv_os_type" = "MingW" ; then
				1895	AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
				1896	AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
				1897	AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
NAKAMURA Takumi	7885507	2015-01-30 13:01:19 +0000	[diff] [blame]	1898	AC_CHECK_LIB(gcc,__chkstk_ms,AC_DEFINE([HAVE___CHKSTK_MS],[1],[Have host's __chkstk_ms]))
NAKAMURA Takumi	03a541f	2011-02-05 15:11:53 +0000	[diff] [blame]	1899	AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
NAKAMURA Takumi	7885507	2015-01-30 13:01:19 +0000	[diff] [blame]	1900	AC_CHECK_LIB(gcc,___chkstk_ms,AC_DEFINE([HAVE____CHKSTK_MS],[1],[Have host's ___chkstk_ms]))
NAKAMURA Takumi	03a541f	2011-02-05 15:11:53 +0000	[diff] [blame]	1901
				1902	AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
				1903	AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
				1904	AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
				1905	AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
				1906	AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
				1907	AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
				1908	AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
				1909	AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
				1910	AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
				1911	AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
				1912
				1913	AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
				1914	AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
				1915	fi
				1916
NAKAMURA Takumi	4471f82	2011-05-01 13:29:49 +0000	[diff] [blame]	1917	dnl Check Win32 API EnumerateLoadedModules.
				1918	if test "$llvm_cv_os_type" = "MingW" ; then
				1919	AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
NAKAMURA Takumi	e5bc87c	2013-01-30 01:37:55 +0000	[diff] [blame]	1920	AC_COMPILE_IFELSE(
				1921	[
				1922	AC_LANG_SOURCE([[
				1923	#include <windows.h>
				1924	#include <imagehlp.h>
				1925	extern void foo(PENUMLOADED_MODULES_CALLBACK);
				1926	extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
				1927	]])
				1928	],
NAKAMURA Takumi	4471f82	2011-05-01 13:29:49 +0000	[diff] [blame]	1929	[
				1930	AC_MSG_RESULT([yes])
				1931	llvm_cv_win32_elmcb_pcstr="PCSTR"
				1932	],
				1933	[
				1934	AC_MSG_RESULT([no])
				1935	llvm_cv_win32_elmcb_pcstr="PSTR"
				1936	])
				1937	AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
				1938	fi
				1939
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	1940	dnl Check for mmap support.We also need to know if /dev/zero is required to
				1941	dnl be opened for allocating RWX memory.
Anton Korobeynikov	4480ec3	2007-01-20 07:40:26 +0000	[diff] [blame]	1942	dnl Make sure we aren't attempting to configure for an unknown system
				1943	if test "$llvm_cv_platform_type" = "Unix" ; then
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	1944	AC_FUNC_MMAP
Anton Korobeynikov	4480ec3	2007-01-20 07:40:26 +0000	[diff] [blame]	1945	AC_FUNC_MMAP_FILE
				1946	AC_NEED_DEV_ZERO_FOR_MMAP
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1947
Anton Korobeynikov	4480ec3	2007-01-20 07:40:26 +0000	[diff] [blame]	1948	if test "$ac_cv_func_mmap_fixed_mapped" = "no"
				1949	then
				1950	AC_MSG_WARN([mmap() of a fixed address required but not supported])
				1951	fi
				1952	if test "$ac_cv_func_mmap_file" = "no"
				1953	then
				1954	AC_MSG_WARN([mmap() of files required but not found])
				1955	fi
John Criswell	5ec24d8	2003-07-22 20:59:52 +0000	[diff] [blame]	1956	fi
				1957
Owen Anderson	b9509c5	2009-05-18 23:58:51 +0000	[diff] [blame]	1958	dnl atomic builtins are required for threading support.
Owen Anderson	af5db83	2009-05-19 22:18:56 +0000	[diff] [blame]	1959	AC_MSG_CHECKING(for GCC atomic builtins)
Eric Christopher	84c95cc	2010-07-28 20:26:34 +0000	[diff] [blame]	1960	dnl Since we'll be using these atomic builtins in C++ files we should test
				1961	dnl the C++ compiler.
				1962	AC_LANG_PUSH([C++])
Owen Anderson	af5db83	2009-05-19 22:18:56 +0000	[diff] [blame]	1963	AC_LINK_IFELSE(
NAKAMURA Takumi	e5bc87c	2013-01-30 01:37:55 +0000	[diff] [blame]	1964	[
				1965	AC_LANG_SOURCE([[
				1966	int main() {
				1967	volatile unsigned long val = 1;
				1968	__sync_synchronize();
				1969	__sync_val_compare_and_swap(&val, 1, 0);
				1970	__sync_add_and_fetch(&val, 1);
				1971	__sync_sub_and_fetch(&val, 1);
				1972	return 0;
				1973	}
				1974	]])
				1975	],
				1976	[
				1977	AC_MSG_RESULT([yes])
				1978	AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
				1979	],
				1980	[
				1981	AC_MSG_RESULT([no])
				1982	AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
				1983	AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
				1984	])
				1985	AC_LANG_POP([C++])
Owen Anderson	b9509c5	2009-05-18 23:58:51 +0000	[diff] [blame]	1986
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	1987	dnl===-----------------------------------------------------------------------===
				1988	dnl===
				1989	dnl=== SECTION 9: Additional checks, variables, etc.
				1990	dnl===
				1991	dnl===-----------------------------------------------------------------------===
John Criswell	7a3334d	2003-07-22 19:13:20 +0000	[diff] [blame]	1992
Nick Lewycky	fa4c2d3	2009-09-29 06:18:00 +0000	[diff] [blame]	1993	dnl Handle 32-bit linux systems running a 64-bit kernel.
				1994	dnl This has to come after section 4 because it invokes the compiler.
				1995	if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
				1996	AC_IS_LINUX_MIXED
				1997	if test "$llvm_cv_linux_mixed" = "yes"; then
				1998	llvm_cv_target_arch="x86"
				1999	ARCH="x86"
				2000	fi
				2001	fi
				2002
Eric Christopher	8185845	2011-09-20 22:26:35 +0000	[diff] [blame]	2003	dnl Check whether __dso_handle is present
Anton Korobeynikov	7ac2521	2007-07-30 20:02:02 +0000	[diff] [blame]	2004	AC_CHECK_FUNCS([__dso_handle])
				2005
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	2006	dnl Propagate the shared library extension that the libltdl checks did to
Reid Spencer	a40c687	2004-11-29 12:29:58 +0000	[diff] [blame]	2007	dnl the Makefiles so we can use it there too
Rafael Espindola	fd1355a	2014-02-28 18:17:54 +0000	[diff] [blame]	2008	AC_SUBST(SHLIBEXT,$llvm_shlib_ext)
Brian Gaeke	cc3676b	2004-01-21 19:38:56 +0000	[diff] [blame]	2009
Gabor Greif	e0d58d3	2012-01-26 10:28:58 +0000	[diff] [blame]	2010	dnl Translate the various configuration directories and other basic
				2011	dnl information into substitutions that will end up in Makefile.config.in
				2012	dnl that these configured values can be used by the makefiles
Jeff Cohen	c5e5b27	2007-01-12 18:22:38 +0000	[diff] [blame]	2013	if test "${prefix}" = "NONE" ; then
Reid Spencer	40f1b13	2006-05-16 08:53:32 +0000	[diff] [blame]	2014	prefix="/usr/local"
				2015	fi
Reid Spencer	cf05c12	2004-08-20 09:03:12 +0000	[diff] [blame]	2016	eval LLVM_PREFIX="${prefix}";
				2017	eval LLVM_BINDIR="${prefix}/bin";
Reid Spencer	0194c9a	2004-11-29 04:56:35 +0000	[diff] [blame]	2018	eval LLVM_DATADIR="${prefix}/share/llvm";
Eric Christopher	b3762a0	2010-03-02 05:17:21 +0000	[diff] [blame]	2019	eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
Reid Spencer	0194c9a	2004-11-29 04:56:35 +0000	[diff] [blame]	2020	eval LLVM_ETCDIR="${prefix}/etc/llvm";
Reid Spencer	cf05c12	2004-08-20 09:03:12 +0000	[diff] [blame]	2021	eval LLVM_INCLUDEDIR="${prefix}/include";
				2022	eval LLVM_INFODIR="${prefix}/info";
				2023	eval LLVM_MANDIR="${prefix}/man";
				2024	LLVM_CONFIGTIME=`date`
				2025	AC_SUBST(LLVM_PREFIX)
				2026	AC_SUBST(LLVM_BINDIR)
Reid Spencer	cf05c12	2004-08-20 09:03:12 +0000	[diff] [blame]	2027	AC_SUBST(LLVM_DATADIR)
				2028	AC_SUBST(LLVM_DOCSDIR)
				2029	AC_SUBST(LLVM_ETCDIR)
				2030	AC_SUBST(LLVM_INCLUDEDIR)
				2031	AC_SUBST(LLVM_INFODIR)
				2032	AC_SUBST(LLVM_MANDIR)
				2033	AC_SUBST(LLVM_CONFIGTIME)
Reid Spencer	cf05c12	2004-08-20 09:03:12 +0000	[diff] [blame]	2034
Daniel Dunbar	9370ecf	2012-03-02 16:24:21 +0000	[diff] [blame]	2035	dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
				2036	if test "${ENABLE_TIMESTAMPS}" = "0"; then
				2037	LLVM_CONFIGTIME="(timestamp not enabled)"
				2038	fi
				2039
Gabor Greif	e0d58d3	2012-01-26 10:28:58 +0000	[diff] [blame]	2040	dnl Place the various directories into the config.h file as #defines so that we
				2041	dnl can know about the installation paths within LLVM.
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	2042	AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2043	[Installation prefix directory])
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	2044	AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2045	[Installation directory for binary executables])
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	2046	AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2047	[Installation directory for data files])
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	2048	AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2049	[Installation directory for documentation])
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	2050	AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2051	[Installation directory for config files])
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	2052	AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2053	[Installation directory for include files])
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	2054	AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2055	[Installation directory for .info files])
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	2056	AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2057	[Installation directory for man pages])
Eric Christopher	e62b441	2007-12-01 00:34:39 +0000	[diff] [blame]	2058	AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2059	[Time at which LLVM was configured])
Tim Northover	fee13d1	2013-05-04 07:36:23 +0000	[diff] [blame]	2060	AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
NAKAMURA Takumi	43652ae	2012-07-22 03:04:52 +0000	[diff] [blame]	2061	[Host triple LLVM will be executed on])
Sebastian Pop	ec2fb22	2011-11-01 21:31:44 +0000	[diff] [blame]	2062	AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
				2063	[Target triple LLVM will generate code for by default])
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2064
Gabor Greif	e0d58d3	2012-01-26 10:28:58 +0000	[diff] [blame]	2065	dnl Determine which bindings to build.
Gordon Henriksen	d48f459	2007-10-02 09:50:18 +0000	[diff] [blame]	2066	if test "$BINDINGS_TO_BUILD" = auto ; then
				2067	BINDINGS_TO_BUILD=""
Peter Zotov	668f967	2014-10-30 08:29:45 +0000	[diff] [blame]	2068	if test "x$OCAMLFIND" != x ; then
Gordon Henriksen	d48f459	2007-10-02 09:50:18 +0000	[diff] [blame]	2069	BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
				2070	fi
Peter Collingbourne	82e3e37	2014-10-16 22:48:02 +0000	[diff] [blame]	2071	if test "x$GO" != x ; then
				2072	if $GO run ${srcdir}/bindings/go/conftest.go ; then
				2073	BINDINGS_TO_BUILD="go $BINDINGS_TO_BUILD"
				2074	fi
				2075	fi
Gordon Henriksen	d48f459	2007-10-02 09:50:18 +0000	[diff] [blame]	2076	fi
				2077	AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
				2078
Gabor Greif	e0d58d3	2012-01-26 10:28:58 +0000	[diff] [blame]	2079	dnl Do any work necessary to ensure that bindings have what they need.
Gordon Henriksen	3be1f10	2007-10-02 16:42:10 +0000	[diff] [blame]	2080	binding_prereqs_failed=0
				2081	for a_binding in $BINDINGS_TO_BUILD ; do
				2082	case "$a_binding" in
				2083	ocaml)
Peter Zotov	668f967	2014-10-30 08:29:45 +0000	[diff] [blame]	2084	if test "x$OCAMLFIND" = x ; then
				2085	AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlfind not found. Try configure OCAMLFIND=/path/to/ocamlfind])
Gordon Henriksen	3be1f10	2007-10-02 16:42:10 +0000	[diff] [blame]	2086	binding_prereqs_failed=1
				2087	fi
Peter Zotov	668f967	2014-10-30 08:29:45 +0000	[diff] [blame]	2088
				2089	if $OCAMLFIND opt -version >/dev/null 2>/dev/null ; then
				2090	HAVE_OCAMLOPT=1
				2091	else
				2092	HAVE_OCAMLOPT=0
				2093	fi
				2094	AC_SUBST(HAVE_OCAMLOPT)
				2095
				2096	if ! $OCAMLFIND query ctypes >/dev/null 2>/dev/null; then
				2097	AC_MSG_WARN([--enable-bindings=ocaml specified, but ctypes is not installed])
Gordon Henriksen	3be1f10	2007-10-02 16:42:10 +0000	[diff] [blame]	2098	binding_prereqs_failed=1
				2099	fi
Peter Zotov	668f967	2014-10-30 08:29:45 +0000	[diff] [blame]	2100
				2101	if $OCAMLFIND query oUnit >/dev/null 2>/dev/null; then
				2102	HAVE_OCAML_OUNIT=1
				2103	else
				2104	HAVE_OCAML_OUNIT=0
				2105	AC_MSG_WARN([--enable-bindings=ocaml specified, but OUnit 2 is not installed. Tests will not run])
				2106	dnl oUnit is optional!
Gordon Henriksen	3be1f10	2007-10-02 16:42:10 +0000	[diff] [blame]	2107	fi
Peter Zotov	668f967	2014-10-30 08:29:45 +0000	[diff] [blame]	2108	AC_SUBST(HAVE_OCAML_OUNIT)
				2109
Gordon Henriksen	3be1f10	2007-10-02 16:42:10 +0000	[diff] [blame]	2110	if test "x$with_ocaml_libdir" != xauto ; then
				2111	AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
				2112	else
Peter Zotov	668f967	2014-10-30 08:29:45 +0000	[diff] [blame]	2113	ocaml_stdlib="`"$OCAMLFIND" ocamlc -where`"
Gordon Henriksen	3be1f10	2007-10-02 16:42:10 +0000	[diff] [blame]	2114	if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
				2115	then
				2116	# ocaml stdlib is beneath our prefix; use stdlib
				2117	AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
				2118	else
				2119	# ocaml stdlib is outside our prefix; use libdir/ocaml
Rafael Espindola	b58973f	2013-06-11 18:52:11 +0000	[diff] [blame]	2120	AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
Gordon Henriksen	3be1f10	2007-10-02 16:42:10 +0000	[diff] [blame]	2121	fi
				2122	fi
				2123	;;
Peter Collingbourne	82e3e37	2014-10-16 22:48:02 +0000	[diff] [blame]	2124	go)
				2125	if test "x$GO" = x ; then
				2126	AC_MSG_WARN([--enable-bindings=go specified, but go not found. Try configure GO=/path/to/go])
				2127	binding_prereqs_failed=1
				2128	else
				2129	if $GO run ${srcdir}/bindings/go/conftest.go ; then
				2130	:
				2131	else
				2132	AC_MSG_WARN([--enable-bindings=go specified, but need at least Go 1.2. Try configure GO=/path/to/go])
				2133	binding_prereqs_failed=1
				2134	fi
				2135	fi
				2136	;;
Gordon Henriksen	3be1f10	2007-10-02 16:42:10 +0000	[diff] [blame]	2137	esac
				2138	done
				2139	if test "$binding_prereqs_failed" = 1 ; then
				2140	AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
				2141	fi
				2142
Nick Lewycky	16aac99	2009-03-05 08:20:21 +0000	[diff] [blame]	2143	dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
Daniel Dunbar	61e0a82	2008-09-02 17:35:16 +0000	[diff] [blame]	2144	AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
Gordon Henriksen	3be1f10	2007-10-02 16:42:10 +0000	[diff] [blame]	2145
Nick Lewycky	7d01e39	2009-03-03 04:55:15 +0000	[diff] [blame]	2146	dnl Determine linker rpath flag
Nick Lewycky	16aac99	2009-03-05 08:20:21 +0000	[diff] [blame]	2147	if test "$llvm_cv_link_use_r" = "yes" ; then
				2148	RPATH="-Wl,-R"
				2149	else
				2150	RPATH="-Wl,-rpath"
				2151	fi
Nick Lewycky	7d01e39	2009-03-03 04:55:15 +0000	[diff] [blame]	2152	AC_SUBST(RPATH)
				2153
Nick Lewycky	16aac99	2009-03-05 08:20:21 +0000	[diff] [blame]	2154	dnl Determine linker rdynamic flag
				2155	if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
Bob Wilson	8658b91	2013-08-02 22:51:06 +0000	[diff] [blame]	2156	RDYNAMIC="-rdynamic"
Nick Lewycky	16aac99	2009-03-05 08:20:21 +0000	[diff] [blame]	2157	else
				2158	RDYNAMIC=""
				2159	fi
				2160	AC_SUBST(RDYNAMIC)
				2161
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2162	dnl===-----------------------------------------------------------------------===
				2163	dnl===
				2164	dnl=== SECTION 10: Specify the output files and generate it
				2165	dnl===
				2166	dnl===-----------------------------------------------------------------------===
				2167
				2168	dnl Configure header files
Reid Spencer	b48e3f8	2005-08-24 10:43:10 +0000	[diff] [blame]	2169	dnl WARNING: dnl If you add or remove any of the following config headers, then
Dylan Noblesmith	c120957	2012-01-17 02:56:49 +0000	[diff] [blame]	2170	dnl you MUST also update Makefile so that the variable FilesToConfig
Reid Spencer	b48e3f8	2005-08-24 10:43:10 +0000	[diff] [blame]	2171	dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
				2172	dnl files can be updated automatically when their *.in sources change.
Eric Christopher	f24446d	2010-08-08 02:44:17 +0000	[diff] [blame]	2173	AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
Eric Christopher	e8f47dd	2010-08-08 09:18:29 +0000	[diff] [blame]	2174	AH_TOP([#ifndef CONFIG_H
				2175	#define CONFIG_H])
				2176	AH_BOTTOM([#endif])
				2177
Douglas Gregor	1b731d5	2009-06-16 20:12:29 +0000	[diff] [blame]	2178	AC_CONFIG_FILES([include/llvm/Config/Targets.def])
				2179	AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
Daniel Dunbar	ce77aa0	2009-07-17 20:56:18 +0000	[diff] [blame]	2180	AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
Daniel Dunbar	f472129	2009-11-25 04:30:13 +0000	[diff] [blame]	2181	AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
Michael J. Spencer	447762d	2010-11-29 18:16:10 +0000	[diff] [blame]	2182	AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2183
				2184	dnl Configure the makefile's configuration data
				2185	AC_CONFIG_FILES([Makefile.config])
				2186
Reid Spencer	1277ba2	2006-08-16 00:45:38 +0000	[diff] [blame]	2187	dnl Configure the RPM spec file for LLVM
				2188	AC_CONFIG_FILES([llvm.spec])
				2189
Peter Collingbourne	5ac59df	2011-05-13 03:27:56 +0000	[diff] [blame]	2190	dnl Configure doxygen's configuration file
				2191	AC_CONFIG_FILES([docs/doxygen.cfg])
Dylan Noblesmith	57f439c	2012-02-01 14:06:21 +0000	[diff] [blame]	2192
				2193	dnl Configure clang, if present
Dylan Noblesmith	e21a3b2	2012-02-04 02:41:36 +0000	[diff] [blame]	2194	if test "${clang_src_root}" = ""; then
Dylan Noblesmith	a367022	2012-02-02 00:54:18 +0000	[diff] [blame]	2195	clang_src_root="$srcdir/tools/clang"
Dylan Noblesmith	b5190ab	2012-02-02 00:17:33 +0000	[diff] [blame]	2196	fi
Dylan Noblesmith	2badba5	2012-02-02 00:11:14 +0000	[diff] [blame]	2197	if test -f ${clang_src_root}/README.txt; then
Chandler Carruth	9db2b52	2014-12-29 11:58:17 +0000	[diff] [blame]	2198	dnl Clang supports build systems which use the multilib libdir suffix.
				2199	dnl The autoconf system doesn't support this so stub out that variable.
				2200	AC_DEFINE_UNQUOTED(CLANG_LIBDIR_SUFFIX,"",
				2201	[Multilib suffix for libdir.])
				2202
Dylan Noblesmith	a7a29c17	2012-02-04 03:00:50 +0000	[diff] [blame]	2203	dnl Use variables to stay under 80 columns.
				2204	configh="include/clang/Config/config.h"
				2205	doxy="docs/doxygen.cfg"
				2206	AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
				2207	AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
Peter Collingbourne	5ac59df	2011-05-13 03:27:56 +0000	[diff] [blame]	2208	fi
				2209
Torok Edwin	229f8d7	2011-10-14 20:38:02 +0000	[diff] [blame]	2210	dnl OCaml findlib META file
				2211	AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
				2212
Jordan Rose	3c837ab	2012-10-01 18:40:32 +0000	[diff] [blame]	2213	dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
				2214	test "x$program_prefix" = "xNONE" && program_prefix=""
				2215	AC_SUBST([program_prefix])
				2216
				2217
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2218	dnl Do special configuration of Makefiles
Reid Spencer	f3102c2	2005-02-24 18:31:27 +0000	[diff] [blame]	2219	AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2220	AC_CONFIG_MAKEFILE(Makefile)
				2221	AC_CONFIG_MAKEFILE(Makefile.common)
				2222	AC_CONFIG_MAKEFILE(examples/Makefile)
				2223	AC_CONFIG_MAKEFILE(lib/Makefile)
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2224	AC_CONFIG_MAKEFILE(test/Makefile)
				2225	AC_CONFIG_MAKEFILE(test/Makefile.tests)
Bill Wendling	8790e32	2009-01-04 23:12:21 +0000	[diff] [blame]	2226	AC_CONFIG_MAKEFILE(unittests/Makefile)
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2227	AC_CONFIG_MAKEFILE(tools/Makefile)
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2228	AC_CONFIG_MAKEFILE(utils/Makefile)
				2229	AC_CONFIG_MAKEFILE(projects/Makefile)
Gordon Henriksen	54fd757	2007-09-22 21:36:22 +0000	[diff] [blame]	2230	AC_CONFIG_MAKEFILE(bindings/Makefile)
				2231	AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
Reid Spencer	0241e38	2004-11-25 04:51:04 +0000	[diff] [blame]	2232
				2233	dnl Finally, crank out the output
Reid Spencer	2024d0e	2004-09-19 23:43:52 +0000	[diff] [blame]	2234	AC_OUTPUT