| dnl === configure.ac --------------------------------------------------------=== |
| dnl The LLVM Compiler Infrastructure |
| dnl |
| dnl This file was developed by the LLVM research group and is distributed under |
| dnl the University of Illinois Open Source License. See LICENSE.TXT for details. |
| dnl |
| dnl===-----------------------------------------------------------------------=== |
| dnl This is the LLVM configuration script. It is processed by the autoconf |
| dnl program to produce a script named configure. This script contains the |
| dnl configuration checks that LLVM needs in order to support multiple platforms. |
| dnl This file is composed of 10 sections per the recommended organization of |
| dnl autoconf input defined in the autoconf documentation. As this file evolves, |
| dnl please keep the various types of checks within their sections. The sections |
| dnl are as follows: |
| dnl |
| dnl SECTION 1: Initialization & Setup |
| dnl SECTION 2: Architecture, target, and host checks |
| dnl SECTION 3: Command line arguments for the configure script. |
| dnl SECTION 4: Check for programs we need and that they are the right version |
| dnl SECTION 5: Check for libraries |
| dnl SECTION 6: Check for header files |
| dnl SECTION 7: Check for types and structures |
| dnl SECTION 8: Check for specific functions needed |
| dnl SECTION 9: Additional checks, variables, etc. |
| dnl SECTION 10: Specify the output files and generate it |
| dnl |
| dnl===-----------------------------------------------------------------------=== |
| dnl=== |
| dnl=== SECTION 1: Initialization & Setup |
| dnl=== |
| dnl===-----------------------------------------------------------------------=== |
| dnl Initialize autoconf and define the package name, version number and |
| dnl email address for reporting bugs. |
| AC_INIT([[llvm]],[[1.5cvs]],[llvmbugs@cs.uiuc.edu]) |
| |
| dnl Provide a copyright substitution and ensure the copyright notice is included |
| dnl in the output of --version option of the generated configure script. |
| AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2005 University of Illinois at Urbana-Champaign."]) |
| AC_COPYRIGHT($LLVM_COPYRIGHT) |
| |
| dnl Indicate that we require autoconf 2.59 or later. Ths is needed because we |
| dnl use some autoconf macros only available in 2.59. |
| AC_PREREQ(2.59) |
| |
| dnl Verify that the source directory is valid. This makes sure that we are |
| dnl configuring LLVM and not some other package (it validates --srcdir argument) |
| AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp]) |
| |
| dnl Place all of the extra autoconf files into the config subdirectory. Tell |
| dnl various tools where the m4 autoconf macros are. |
| AC_CONFIG_AUX_DIR([autoconf]) |
| |
| dnl Quit if the source directory has already been configured. |
| dnl NOTE: This relies upon undocumented autoconf behavior. |
| if test ${srcdir} != "." ; then |
| if test -f ${srcdir}/include/llvm/Config/config.h ; then |
| AC_MSG_ERROR([Already configured in ${srcdir}]) |
| fi |
| fi |
| |
| dnl Configure all of the projects present in our source tree. While we could |
| dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a |
| dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated. |
| dnl Instead we match on the known projects. |
| for i in `ls ${srcdir}/projects` |
| do |
| if test -d ${srcdir}/projects/${i} ; then |
| case ${i} in |
| "CVS") ;; |
| "sample") AC_CONFIG_SUBDIRS([projects/sample]) ;; |
| "Stacker") AC_CONFIG_SUBDIRS([projects/Stacker]) ;; |
| "llvm-test") AC_CONFIG_SUBDIRS([projects/llvm-test]) ;; |
| "llvm-reopt") AC_CONFIG_SUBDIRS([projects/llvm-reopt]);; |
| "llvm-gcc") AC_CONFIG_SUBDIRS([projects/llvm-gcc]) ;; |
| "llvm-java") AC_CONFIG_SUBDIRS([projects/llvm-java]) ;; |
| "llvm-tv") AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;; |
| "llvm-poolalloc") AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) ;; |
| *) |
| AC_MSG_WARN([Unknown project (${i}) won't be configured automatically]) |
| ;; |
| esac |
| fi |
| done |
| |
| dnl===-----------------------------------------------------------------------=== |
| dnl=== |
| dnl=== SECTION 2: Architecture, target, and host checks |
| dnl=== |
| dnl===-----------------------------------------------------------------------=== |
| |
| dnl Check the target for which we're compiling and the host that will do the |
| dnl compilations. This will tell us which LLVM compiler will be used for |
| dnl compiling SSA into object code. This needs to be done early because |
| dnl following tests depend on it. |
| AC_CANONICAL_TARGET |
| |
| dnl Determine the platform type and cache its value. This helps us configure |
| dnl the System library to the correct build platform. |
| AC_CACHE_CHECK([type of operating system we're on], |
| [llvm_cv_os_type], |
| [case $build in |
| *-*-aix*) |
| llvm_cv_os_type="AIX" |
| llvm_cv_platform_type="Unix" ;; |
| *-*-cygwin*) |
| llvm_cv_os_type="Cygwin" |
| llvm_cv_platform_type="Unix" ;; |
| *-*-darwin*) |
| llvm_cv_os_type="Darwin" |
| llvm_cv_platform_type="Unix" ;; |
| *-*-freebsd*) |
| llvm_cv_os_type="FreeBSD" |
| llvm_cv_platform_type="Unix" ;; |
| *-*-interix*) |
| llvm_cv_os_type="Interix" |
| llvm_cv_platform_type="Unix" ;; |
| *-*-linux*) |
| llvm_cv_os_type="Linux" |
| llvm_cv_platform_type="Unix" ;; |
| *-*-solaris*) |
| llvm_cv_os_type="SunOS" |
| llvm_cv_platform_type="Unix" ;; |
| *-*-win32*) |
| llvm_cv_os_type="Win32" |
| llvm_cv_platform_type="Win32" ;; |
| *-*-mingw*) |
| llvm_cv_os_type="MingW" |
| llvm_cv_platform_type="Win32" ;; |
| *) |
| llvm_cv_os_type="Unknown" |
| llvm_cv_platform_type="Unknown" ;; |
| esac]) |
| |
| dnl Make sure we aren't attempting to configure for an unknown system |
| if test "$llvm_cv_os_type" = "Unknown" ; then |
| AC_MSG_ERROR([Operating system is unknown, configure can't continue]) |
| fi |
| |
| dnl Set the "OS" Makefile variable based on the platform type so the |
| dnl makefile can configure itself to specific build hosts |
| AC_SUBST(OS,$llvm_cv_os_type) |
| |
| dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type |
| dnl This is used by lib/System to determine the basic kind of implementation |
| dnl to use. |
| case $llvm_cv_platform_type in |
| Unix) |
| AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform]) |
| AC_SUBST(LLVM_ON_UNIX,[1]) |
| AC_SUBST(LLVM_ON_WIN32,[0]) |
| ;; |
| Win32) |
| AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform]) |
| AC_SUBST(LLVM_ON_UNIX,[0]) |
| AC_SUBST(LLVM_ON_WIN32,[1]) |
| ;; |
| esac |
| |
| dnl If we are targetting a Sparc machine running Solaris, pretend that it is |
| dnl V9, since that is all that we support at the moment, and autoconf will only |
| dnl tell us we're a sparc. |
| case $target in |
| sparc*-*-solaris*) AC_SUBST(target,[[sparcv9-sun-solaris2.8]]) |
| ;; |
| esac |
| |
| dnl Determine what our target architecture is and configure accordingly. |
| dnl This will allow Makefiles to make a distinction between the hardware and |
| dnl the OS. |
| AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch], |
| [case $target in |
| i?86-*) llvm_cv_target_arch="x86" ;; |
| amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;; |
| sparc*-*) llvm_cv_target_arch="Sparc" ;; |
| powerpc*-*) llvm_cv_target_arch="PowerPC" ;; |
| alpha*-*) llvm_cv_target_arch="Alpha" ;; |
| ia64-*) llvm_cv_target_arch="IA64" ;; |
| *) llvm_cv_target_arch="Unknown" ;; |
| esac]) |
| |
| if test "$llvm_cv_target_arch" = "Unknown" ; then |
| AC_MSG_WARN([Configuring LLVM for an unknown target archicture]) |
| fi |
| |
| dnl Define a substitution, ARCH, for the target architecture |
| AC_SUBST(ARCH,$llvm_cv_target_arch) |
| |
| dnl Check for the endianness of the target |
| AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little])) |
| |
| dnl===-----------------------------------------------------------------------=== |
| dnl=== |
| dnl=== SECTION 3: Command line arguments for the configure script. |
| dnl=== |
| dnl===-----------------------------------------------------------------------=== |
| |
| dnl --enable-optimized : check whether they want to do an optimized build: |
| AC_ARG_ENABLE(optimized, |
| AS_HELP_STRING([--enable-optimized,Compile with optimizations enabled (default is NO)]),,enableval=no) |
| if test ${enableval} = "no" ; then |
| AC_SUBST(ENABLE_OPTIMIZED,[[]]) |
| else |
| AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]]) |
| fi |
| |
| dnl --enable-jit: check whether they want to enable the jit |
| AC_ARG_ENABLE(jit, |
| AS_HELP_STRING(--enable-jit, |
| [Enable Just In Time Compiling (default is YES)]),, |
| enableval=default) |
| if test ${enableval} = "no" |
| then |
| AC_SUBST(JIT,[[]]) |
| else |
| case "$llvm_cv_target_arch" in |
| x86) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;; |
| Sparc) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;; |
| PowerPC) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;; |
| x86_64) AC_SUBST(JIT,[[]]) ;; |
| Alpha) AC_SUBST(JIT,[[]]) ;; |
| IA64) AC_SUBST(JIT,[[]]) ;; |
| *) AC_SUBST(JIT,[[]]) ;; |
| esac |
| fi |
| |
| dnl Allow enablement of doxygen generated documentation |
| AC_ARG_ENABLE(doxygen, |
| AS_HELP_STRING([--enable-doxygen], |
| [Build doxygen documentation (default is NO)]),, |
| enableval=default) |
| case "$enableval" in |
| yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;; |
| no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; |
| default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; |
| *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;; |
| esac |
| |
| dnl Allow specific targets to be specified for building (or not) |
| TARGETS_TO_BUILD="" |
| AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-target], |
| [Build specific host targets: all,host-only,{target-name} (default=all)]),, |
| enableval=all) |
| case "$enableval" in |
| all) TARGETS_TO_BUILD="X86 SparcV8 SparcV9 PowerPC Alpha IA64 Skeleton" ;; |
| host-only) |
| case "$llvm_cv_target_arch" in |
| x86) TARGETS_TO_BUILD="X86" ;; |
| x86_64) TARGETS_TO_BUILD="X86" ;; |
| Sparc) TARGETS_TO_BUILD="SparcV8 SparcV9" ;; |
| PowerPC) TARGETS_TO_BUILD="PowerPC" ;; |
| Alpha) TARGETS_TO_BUILD="Alpha" ;; |
| IA64) TARGETS_TO_BUILD="IA64" ;; |
| *) AC_MSG_ERROR([Can not set target to build]) ;; |
| esac |
| ;; |
| *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do |
| case "$a_target" in |
| x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; |
| x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; |
| sparc) TARGETS_TO_BUILD="SparcV8 SparcV9 $TARGETS_TO_BUILD" ;; |
| powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; |
| alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;; |
| ia64) TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;; |
| skeleton)TARGETS_TO_BUILD="Skeleton $TARGETS_TO_BUILD";; |
| *) AC_MSG_ERROR([Unrecognized target $a_target]) ;; |
| esac |
| done |
| ;; |
| esac |
| TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" |
| AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD) |
| |
| dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config. |
| AC_ARG_WITH(llvmgccdir, |
| AS_HELP_STRING([--with-llvmgccdir], |
| [Specify location of llvm-gcc install dir (default searches PATH)]),, |
| withval=default) |
| case "$withval" in |
| default) WITH_LLVMGCCDIR=default ;; |
| /*) WITH_LLVMGCCDIR=$withval ;; |
| *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;; |
| esac |
| |
| |
| dnl===-----------------------------------------------------------------------=== |
| dnl=== |
| dnl=== SECTION 4: Check for programs we need and that they are the right version |
| dnl=== |
| dnl===-----------------------------------------------------------------------=== |
| |
| dnl Check for compilation tools |
| AC_PROG_CPP |
| AC_PROG_CC(gcc) |
| AC_PROG_CXX(g++) |
| AC_PROG_FLEX |
| AC_PROG_BISON |
| |
| dnl Check for the tools that the makefiles require |
| AC_CHECK_GNU_MAKE |
| AC_PROG_LN_S |
| AC_PATH_PROG(CMP, [cmp], [cmp]) |
| AC_PATH_PROG(CP, [cp], [cp]) |
| AC_PATH_PROG(DATE, [date], [date]) |
| AC_PATH_PROG(FIND, [find], [find]) |
| AC_PATH_PROG(GREP, [grep], [grep]) |
| AC_PATH_PROG(MKDIR,[mkdir],[mkdir]) |
| AC_PATH_PROG(MV, [mv], [mv]) |
| AC_PROG_RANLIB |
| AC_PATH_PROG(RM, [rm], [rm]) |
| AC_PATH_PROG(SED, [sed], [sed]) |
| AC_PATH_PROG(TAR, [tar], [gtar]) |
| |
| dnl Find the install program |
| AC_PROG_INSTALL |
| |
| dnl Checks for documentation and testing tools that we can do without. If these |
| dnl are not found then they are set to "true" which always succeeds but does |
| dnl nothing. This just lets the build output show that we could have done |
| dnl something if the tool was available. |
| AC_PATH_PROG(BZIP2,[bzip2],[true bzip2]) |
| AC_PATH_PROG(DOT,[dot],[true dot]) |
| AC_PATH_PROG(DOXYGEN,[doxygen],[true doxygen]) |
| AC_PATH_PROG(ETAGS,[etags],[true etags]) |
| AC_PATH_PROG(GROFF,[groff],[true groff]) |
| AC_PATH_PROG(GZIP,[gzip],[true gzip]) |
| AC_PATH_PROG(POD2HTML,[pod2html],[true pod2html]) |
| AC_PATH_PROG(POD2MAN,[pod2man],[true pod2man]) |
| AC_PATH_PROG(RUNTEST,[runtest],[true runtest]) |
| DJ_AC_PATH_TCLSH |
| AC_PATH_PROG(ZIP,[zip],[true zip]) |
| |
| dnl Determine if the linker supports the -R option. |
| AC_LINK_USE_R |
| |
| dnl Check for libtool and the library that has dlopen function (which must come |
| dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with |
| dnl libtool). |
| AC_LIBTOOL_DLOPEN |
| AC_LIB_LTDL |
| AC_PROG_LIBTOOL |
| |
| if test "$lt_cv_dlopen_self" = "yes" ; then |
| AC_DEFINE([CAN_DLOPEN_SELF],[1], |
| [Define if dlopen(0) will open the symbols of the program]) |
| fi |
| |
| dnl Check if we know how to tell etags we are using C++: |
| etags_version=`$ETAGS --version 2>&1` |
| case "$etags_version" in |
| *[Ee]xuberant*) ETAGSFLAGS="--language-force=c++" ;; |
| *GNU\ Emacs*) ETAGSFLAGS="-l c++" ;; |
| *) ETAGSFLAGS="" ;; |
| esac |
| AC_SUBST(ETAGSFLAGS,$ETAGSFLAGS) |
| |
| if test "$WITH_LLVMGCCDIR" = "default" ; then |
| AC_PATH_PROG(LLVMGCC, [llvm-gcc], []) |
| AC_PATH_PROG(LLVMGXX, [llvm-g++], []) |
| else |
| LLVMGCC=$WITH_LLVMGCCDIR/bin/llvm-gcc |
| LLVMGXX=$WITH_LLVMGCCDIR/bin/llvm-g++ |
| AC_SUBST(LLVMGCC,$LLVMGCC) |
| AC_SUBST(LLVMGXX,$LLVMGXX) |
| fi |
| |
| AC_MSG_CHECKING([tool compatibility]) |
| |
| dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as |
| dnl ICC; we use GCC specific options in the makefiles so the compiler needs |
| dnl to support those options. |
| dnl "icc" emits gcc signatures |
| dnl "icc -no-gcc" emits no gcc signature BUT is still compatible |
| ICC=no |
| IXX=no |
| case $CC in |
| icc*|icpc*) |
| ICC=yes |
| IXX=yes |
| ;; |
| *) |
| ;; |
| esac |
| |
| if test "$GCC" != "yes" && test "$ICC" != "yes" |
| then |
| AC_MSG_ERROR([gcc|icc required but not found]) |
| fi |
| |
| dnl Ensure that compilation tools are GCC; we use GCC specific extensions |
| if test "$GXX" != "yes" && test "$IXX" != "yes" |
| then |
| AC_MSG_ERROR([g++|icc required but not found]) |
| fi |
| |
| dnl Verify that GCC is version 3.0 or higher |
| if test "$GCC" = "yes" |
| then |
| gccmajor=`$CC --version | head -n 1 | awk '{print $NF;}' | cut -d. -f1` |
| if test "$gccmajor" -lt "3" |
| then |
| AC_MSG_ERROR([gcc 3.x required, but you have a lower version]) |
| fi |
| fi |
| |
| dnl Check for GNU Make. We use its extensions, so don't build without it |
| if test -z "$llvm_cv_gnu_make_command" |
| then |
| AC_MSG_ERROR([GNU Make required but not found]) |
| fi |
| |
| dnl Tool compatibility is okay if we make it here. |
| AC_MSG_RESULT([ok]) |
| |
| dnl===-----------------------------------------------------------------------=== |
| dnl=== |
| dnl=== SECTION 5: Check for libraries |
| dnl=== |
| dnl===-----------------------------------------------------------------------=== |
| |
| dnl libelf is for sparc only; we can ignore it if we don't have it |
| AC_CHECK_LIB(elf, elf_begin) |
| |
| dnl lt_dlopen may be required for plugin support. |
| AC_SEARCH_LIBS(lt_dlopen,ltdl,AC_DEFINE([HAVE_LT_DLOPEN],[1], |
| [Define if lt_dlopen() is available on this platform]), |
| AC_MSG_WARN([lt_dlopen() not found - plugin support might |
| not be available])) |
| |
| dnl dlopen() is required for plugin support. |
| AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1], |
| [Define if dlopen() is available on this platform.]), |
| AC_MSG_WARN([dlopen() not found - disabling plugin support])) |
| |
| dnl mallinfo is optional; the code can compile (minus features) without it |
| AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1], |
| [Define if mallinfo() is available on this platform.])) |
| |
| dnl pthread locking functions are optional - but llvm will not be thread-safe |
| dnl without locks. |
| AC_SEARCH_LIBS(pthread_mutex_lock,pthread, |
| AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1], |
| [Have pthread_mutex_lock])) |
| |
| dnl===-----------------------------------------------------------------------=== |
| dnl=== |
| dnl=== SECTION 6: Check for header files |
| dnl=== |
| dnl===-----------------------------------------------------------------------=== |
| |
| dnl First, use autoconf provided macros for specific headers that we need |
| dnl We don't check for ancient stuff or things that are guaranteed to be there |
| dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers. |
| dnl Generally we're looking for POSIX headers. |
| AC_HEADER_DIRENT |
| AC_HEADER_MMAP_ANONYMOUS |
| AC_HEADER_STAT |
| AC_HEADER_STDC |
| AC_HEADER_SYS_WAIT |
| AC_HEADER_TIME |
| |
| AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h]) |
| AC_CHECK_HEADERS([malloc.h signal.h stdint.h unistd.h utime.h windows.h]) |
| AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/types.h]) |
| AC_CHECK_HEADERS([rw/stdex/hash_map.h rw/stdex/hash_set.h]) |
| |
| dnl===-----------------------------------------------------------------------=== |
| dnl=== |
| dnl=== SECTION 7: Check for types and structures |
| dnl=== |
| dnl===-----------------------------------------------------------------------=== |
| |
| AC_TYPE_PID_T |
| AC_TYPE_SIZE_T |
| AC_TYPE_SIGNAL |
| AC_STRUCT_TM |
| AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found])) |
| AC_CHECK_TYPES([uint64_t],, |
| AC_CHECK_TYPES([u_int64_t],, |
| AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found]))) |
| |
| dnl===-----------------------------------------------------------------------=== |
| dnl=== |
| dnl=== SECTION 8: Check for specific functions needed |
| dnl=== |
| dnl===-----------------------------------------------------------------------=== |
| |
| AC_CHECK_FUNCS([backtrace ffsll getcwd getpagesize getrusage gettimeofday ]) |
| AC_CHECK_FUNCS([isatty mkdtemp mkstemp mktemp ]) |
| AC_CHECK_FUNCS([realpath sbrk setrlimit strdup strerror strerror_r ]) |
| AC_CHECK_FUNCS([strtoll strtoq sysconf]) |
| AC_C_PRINTF_A |
| AC_FUNC_ALLOCA |
| AC_FUNC_RAND48 |
| |
| dnl Check for variations in the Standard C++ library and STL. These macros are |
| dnl provided by LLVM in the autoconf/m4 directory. |
| AC_CXX_HAVE_HASH_MAP |
| AC_CXX_HAVE_HASH_SET |
| AC_CXX_HAVE_STD_ITERATOR |
| AC_CXX_HAVE_BI_ITERATOR |
| AC_CXX_HAVE_FWD_ITERATOR |
| AC_FUNC_ISNAN |
| AC_FUNC_ISINF |
| |
| dnl Check for mmap and mprotect support. We need both to do the JIT and for |
| dnl bytecode loading, etc. We also need to know if /dev/zero is required to |
| dnl be opened for allocating RWX memory. |
| AC_FUNC_MMAP |
| AC_FUNC_MMAP_FILE |
| AC_NEED_DEV_ZERO_FOR_MMAP |
| AC_CHECK_FUNC(mprotect,, |
| AC_MSG_ERROR([Function mprotect() required but not found])) |
| |
| if test "$ac_cv_func_mmap_fixed_mapped" = "no" |
| then |
| AC_MSG_WARN([mmap() of a fixed address required but not supported]) |
| fi |
| if test "$ac_cv_func_mmap_file" = "no" |
| then |
| AC_MSG_WARN([mmap() of files required but not found]) |
| fi |
| |
| dnl===-----------------------------------------------------------------------=== |
| dnl=== |
| dnl=== SECTION 9: Additional checks, variables, etc. |
| dnl=== |
| dnl===-----------------------------------------------------------------------=== |
| |
| dnl See if the llvm-gcc executable can compile to LLVM assembly |
| AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity], |
| [llvm_cv_llvmgcc_sanity="no" |
| if test -x "$LLVMGCC" ; then |
| cp /dev/null conftest.c |
| "$LLVMGCC" -S -o - conftest.c | grep implementation > /dev/null 2>&1 |
| if test $? -eq 0 ; then |
| llvm_cv_llvmgcc_sanity="yes" |
| fi |
| rm conftest.c |
| fi]) |
| |
| dnl Since we have a sane llvm-gcc, identify it and its sub-tools |
| if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then |
| llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1` |
| AC_SUBST(LLVMCC1,$llvmcc1path) |
| llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus` |
| AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath) |
| llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'` |
| AC_SUBST(LLVMGCCDIR,$llvmgccdir) |
| fi |
| |
| dnl Propagate the shared library extension that the libltdl checks did to |
| dnl the Makefiles so we can use it there too |
| AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext) |
| |
| # Translate the various configuration directories and other basic |
| # information into substitutions that will end up in Makefile.config.in |
| # that these configured values can be used by the makefiles |
| eval LLVM_PREFIX="${prefix}"; |
| eval LLVM_BINDIR="${prefix}/bin"; |
| eval LLVM_LIBDIR="${prefix}/lib"; |
| eval LLVM_DATADIR="${prefix}/share/llvm"; |
| eval LLVM_DOCSDIR="${prefix}/docs/llvm"; |
| eval LLVM_ETCDIR="${prefix}/etc/llvm"; |
| eval LLVM_INCLUDEDIR="${prefix}/include"; |
| eval LLVM_INFODIR="${prefix}/info"; |
| eval LLVM_MANDIR="${prefix}/man"; |
| LLVM_CONFIGTIME=`date` |
| AC_SUBST(LLVM_PREFIX) |
| AC_SUBST(LLVM_BINDIR) |
| AC_SUBST(LLVM_LIBDIR) |
| AC_SUBST(LLVM_DATADIR) |
| AC_SUBST(LLVM_DOCSDIR) |
| AC_SUBST(LLVM_ETCDIR) |
| AC_SUBST(LLVM_INCLUDEDIR) |
| AC_SUBST(LLVM_INFODIR) |
| AC_SUBST(LLVM_MANDIR) |
| AC_SUBST(LLVM_CONFIGTIME) |
| |
| # Place the various directores into the config.h file as #defines so that we |
| # can know about the installation paths within LLVM. |
| AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", |
| [Installation prefix directory]) |
| AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", |
| [Installation directory for binary executables]) |
| AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", |
| [Installation directory for libraries]) |
| AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", |
| [Installation directory for data files]) |
| AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DOCSDIR", |
| [Installation directory for documentation]) |
| AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", |
| [Installation directory for config files]) |
| AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", |
| [Installation directory for include files]) |
| AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", |
| [Installation directory for .info files]) |
| AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", |
| [Installation directory for man pages]) |
| AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", |
| [Time at which LLVM was configured]) |
| |
| dnl===-----------------------------------------------------------------------=== |
| dnl=== |
| dnl=== SECTION 10: Specify the output files and generate it |
| dnl=== |
| dnl===-----------------------------------------------------------------------=== |
| |
| dnl Configure header files |
| AC_CONFIG_HEADERS(include/llvm/Config/config.h) |
| |
| AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h]) |
| AC_CONFIG_HEADERS([include/llvm/ADT/hash_map]) |
| AC_CONFIG_HEADERS([include/llvm/ADT/hash_set]) |
| AC_CONFIG_HEADERS([include/llvm/Support/ThreadSupport.h]) |
| AC_CONFIG_HEADERS([include/llvm/ADT/iterator]) |
| |
| dnl Configure the makefile's configuration data |
| AC_CONFIG_FILES([Makefile.config]) |
| |
| dnl Configure llvmc's configuration files |
| AC_CONFIG_FILES([tools/llvmc/st tools/llvmc/cpp tools/llvmc/ll tools/llvmc/c]) |
| |
| dnl Configure doxygen's configuration file |
| AC_CONFIG_FILES([docs/doxygen.cfg]) |
| |
| dnl Do special configuration of Makefiles |
| AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"]) |
| AC_CONFIG_MAKEFILE(Makefile) |
| AC_CONFIG_MAKEFILE(Makefile.common) |
| AC_CONFIG_MAKEFILE(examples/Makefile) |
| AC_CONFIG_MAKEFILE(lib/Makefile) |
| AC_CONFIG_MAKEFILE(runtime/Makefile) |
| AC_CONFIG_MAKEFILE(test/Makefile) |
| AC_CONFIG_MAKEFILE(test/Makefile.tests) |
| AC_CONFIG_MAKEFILE(tools/Makefile) |
| AC_CONFIG_MAKEFILE(utils/Makefile) |
| AC_CONFIG_MAKEFILE(projects/Makefile) |
| |
| dnl Finally, crank out the output |
| AC_OUTPUT |
| |
| dnl Warn loudly if llvm-gcc was not obviously working |
| if test "$llvm_cv_llvmgcc_sanity" = "no" ; then |
| AC_MSG_WARN([***** llvm-gcc/llvm-g++ was not found, or does not appear to be ]) |
| AC_MSG_WARN([***** working. Please make sure you have llvmgcc and llvmg++ in]) |
| AC_MSG_WARN([***** your path before configuring LLVM. The runtime libraries]) |
| AC_MSG_WARN([***** (llvm/runtime) will not be built but you should be able to]) |
| AC_MSG_WARN([***** build the llvm tools.]) |
| fi |