|  | dnl ************************************************************************** | 
|  | dnl * Initialize | 
|  | dnl ************************************************************************** | 
|  | AC_INIT([[[SAMPLE]]],[[[x.xx]]],[bugs@yourdomain]) | 
|  |  | 
|  | dnl Identify where LLVM source tree is | 
|  | LLVM_SRC_ROOT="../.." | 
|  | LLVM_OBJ_ROOT="../.." | 
|  |  | 
|  | dnl Find absolute paths to LLVM source and object trees | 
|  | LLVM_ABS_SRC_ROOT="`cd $srcdir ; cd $LLVM_SRC_ROOT ; pwd`" | 
|  | LLVM_ABS_OBJ_ROOT="`cd $LLVM_OBJ_ROOT ; pwd`" | 
|  |  | 
|  | dnl Tell autoconf that this is an LLVM project being configured | 
|  | dnl This provides the --with-llvmsrc and --with-llvmobj options | 
|  | LLVM_CONFIG_PROJECT($LLVM_ABS_SRC_ROOT,$LLVM_ABS_OBJ_ROOT) | 
|  |  | 
|  | dnl Try and find an llvm-config in the build directory. We are only using this | 
|  | dnl to detect the package level LLVM information (currently just the version), | 
|  | dnl so we just whatever one we find regardless of build mode. | 
|  | AC_MSG_CHECKING([llvm-config]) | 
|  | llvm_config_path="`ls -1 $llvm_obj/*/bin/llvm-config 2> /dev/null | head -1`" | 
|  | if ! test -f "$llvm_config_path" ; then | 
|  | llvm_config_path="no" | 
|  | fi | 
|  | AC_MSG_RESULT([$llvm_config_path]) | 
|  |  | 
|  | dnl Determine the LLVM version, which may be required by the current Makefile | 
|  | dnl rules. | 
|  | AC_MSG_CHECKING([LLVM package version]) | 
|  | if test "$llvm_config_path" != no ; then | 
|  | llvm_package_version=`$llvm_config_path --version` | 
|  | else | 
|  | llvm_package_version="unknown"; | 
|  | fi | 
|  | AC_MSG_RESULT([$llvm_package_version]) | 
|  | AC_SUBST(LLVM_VERSION, [$llvm_package_version]) | 
|  |  | 
|  | dnl Verify that the source directory is valid | 
|  | AC_CONFIG_SRCDIR(["Makefile.common.in"]) | 
|  |  | 
|  | dnl Place all of the extra autoconf files into the config subdirectory. Tell | 
|  | dnl various tools where the m4 autoconf macros are. | 
|  | AC_CONFIG_AUX_DIR([autoconf]) | 
|  |  | 
|  | dnl ************************************************************************** | 
|  | dnl Begin LLVM configure.ac Import | 
|  | dnl ************************************************************************** | 
|  | dnl | 
|  | dnl Derived from LLVM's configure.ac. This was imported directly here so that we | 
|  | dnl could reuse LLVM's build infrastructure without introducing a direct source | 
|  | dnl dependency on the LLVM files. | 
|  |  | 
|  | dnl We need to check for the compiler up here to avoid anything else | 
|  | dnl starting with a different one. | 
|  | AC_PROG_CC(clang llvm-gcc gcc) | 
|  | AC_PROG_CXX(clang++ llvm-g++ g++) | 
|  | AC_PROG_CPP | 
|  |  | 
|  | dnl Configure all of the projects present in our source tree. While we could | 
|  | dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a | 
|  | dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated. | 
|  | dnl Instead we match on the known projects. | 
|  |  | 
|  | dnl | 
|  | dnl One tricky part of doing this is that some projects depend upon other | 
|  | dnl projects.  For example, several projects rely upon the LLVM test suite. | 
|  | dnl We want to configure those projects first so that their object trees are | 
|  | dnl created before running the configure scripts of projects that depend upon | 
|  | dnl them. | 
|  | dnl | 
|  |  | 
|  | dnl Disable the build of polly, even if it is checked out into tools/polly. | 
|  | AC_ARG_ENABLE(polly, | 
|  | AS_HELP_STRING([--enable-polly], | 
|  | [Use polly if available (default is YES)]),, | 
|  | enableval=default) | 
|  | case "$enableval" in | 
|  | yes) AC_SUBST(ENABLE_POLLY,[1]) ;; | 
|  | no)  AC_SUBST(ENABLE_POLLY,[0]) ;; | 
|  | default) AC_SUBST(ENABLE_POLLY,[1]) ;; | 
|  | *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;; | 
|  | esac | 
|  |  | 
|  |  | 
|  | dnl Check if polly is checked out into tools/polly and configure it if | 
|  | dnl available. | 
|  | if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then | 
|  | AC_SUBST(LLVM_HAS_POLLY,1) | 
|  | AC_CONFIG_SUBDIRS([tools/polly]) | 
|  | fi | 
|  |  | 
|  | 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 going to host on], | 
|  | [llvm_cv_os_type], | 
|  | [case $host in | 
|  | *-*-aix*) | 
|  | llvm_cv_link_all_option="-Wl,--whole-archive" | 
|  | llvm_cv_no_link_all_option="-Wl,--no-whole-archive" | 
|  | llvm_cv_os_type="AIX" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *-*-irix*) | 
|  | llvm_cv_link_all_option="-Wl,--whole-archive" | 
|  | llvm_cv_no_link_all_option="-Wl,--no-whole-archive" | 
|  | llvm_cv_os_type="IRIX" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *-*-cygwin*) | 
|  | llvm_cv_link_all_option="-Wl,--whole-archive" | 
|  | llvm_cv_no_link_all_option="-Wl,--no-whole-archive" | 
|  | llvm_cv_os_type="Cygwin" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *-*-darwin*) | 
|  | llvm_cv_link_all_option="-Wl,-all_load" | 
|  | llvm_cv_no_link_all_option="-Wl,-noall_load" | 
|  | llvm_cv_os_type="Darwin" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *-*-minix*) | 
|  | llvm_cv_link_all_option="-Wl,-all_load" | 
|  | llvm_cv_no_link_all_option="-Wl,-noall_load" | 
|  | llvm_cv_os_type="Minix" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *-*-freebsd*) | 
|  | llvm_cv_link_all_option="-Wl,--whole-archive" | 
|  | llvm_cv_no_link_all_option="-Wl,--no-whole-archive" | 
|  | llvm_cv_os_type="FreeBSD" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *-*-openbsd*) | 
|  | llvm_cv_link_all_option="-Wl,--whole-archive" | 
|  | llvm_cv_no_link_all_option="-Wl,--no-whole-archive" | 
|  | llvm_cv_os_type="OpenBSD" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *-*-netbsd*) | 
|  | llvm_cv_link_all_option="-Wl,--whole-archive" | 
|  | llvm_cv_no_link_all_option="-Wl,--no-whole-archive" | 
|  | llvm_cv_os_type="NetBSD" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *-*-dragonfly*) | 
|  | llvm_cv_link_all_option="-Wl,--whole-archive" | 
|  | llvm_cv_no_link_all_option="-Wl,--no-whole-archive" | 
|  | llvm_cv_os_type="DragonFly" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *-*-hpux*) | 
|  | llvm_cv_link_all_option="-Wl,--whole-archive" | 
|  | llvm_cv_no_link_all_option="-Wl,--no-whole-archive" | 
|  | llvm_cv_os_type="HP-UX" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *-*-interix*) | 
|  | llvm_cv_link_all_option="-Wl,--whole-archive" | 
|  | llvm_cv_no_link_all_option="-Wl,--no-whole-archive" | 
|  | llvm_cv_os_type="Interix" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *-*-linux*) | 
|  | llvm_cv_link_all_option="-Wl,--whole-archive" | 
|  | llvm_cv_no_link_all_option="-Wl,--no-whole-archive" | 
|  | llvm_cv_os_type="Linux" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *-*-solaris*) | 
|  | llvm_cv_link_all_option="-Wl,-z,allextract" | 
|  | llvm_cv_no_link_all_option="-Wl,-z,defaultextract" | 
|  | llvm_cv_os_type="SunOS" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *-*-auroraux*) | 
|  | llvm_cv_link_all_option="-Wl,-z,allextract" | 
|  | llvm_cv_link_all_option="-Wl,-z,defaultextract" | 
|  | llvm_cv_os_type="AuroraUX" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *-*-win32*) | 
|  | llvm_cv_link_all_option="-Wl,--whole-archive" | 
|  | llvm_cv_no_link_all_option="-Wl,--no-whole-archive" | 
|  | llvm_cv_os_type="Win32" | 
|  | llvm_cv_platform_type="Win32" ;; | 
|  | *-*-mingw*) | 
|  | llvm_cv_link_all_option="-Wl,--whole-archive" | 
|  | llvm_cv_no_link_all_option="-Wl,--no-whole-archive" | 
|  | llvm_cv_os_type="MingW" | 
|  | llvm_cv_platform_type="Win32" ;; | 
|  | *-*-haiku*) | 
|  | llvm_cv_link_all_option="-Wl,--whole-archive" | 
|  | llvm_cv_no_link_all_option="-Wl,--no-whole-archive" | 
|  | llvm_cv_os_type="Haiku" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *-unknown-eabi*) | 
|  | llvm_cv_link_all_option="-Wl,--whole-archive" | 
|  | llvm_cv_no_link_all_option="-Wl,--no-whole-archive" | 
|  | llvm_cv_os_type="Freestanding" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *-unknown-elf*) | 
|  | llvm_cv_link_all_option="-Wl,--whole-archive" | 
|  | llvm_cv_no_link_all_option="-Wl,--no-whole-archive" | 
|  | llvm_cv_os_type="Freestanding" | 
|  | llvm_cv_platform_type="Unix" ;; | 
|  | *) | 
|  | llvm_cv_link_all_option="" | 
|  | llvm_cv_no_link_all_option="" | 
|  | llvm_cv_os_type="Unknown" | 
|  | llvm_cv_platform_type="Unknown" ;; | 
|  | esac]) | 
|  |  | 
|  | AC_CACHE_CHECK([type of operating system we're going to target], | 
|  | [llvm_cv_target_os_type], | 
|  | [case $target in | 
|  | *-*-aix*) | 
|  | llvm_cv_target_os_type="AIX" ;; | 
|  | *-*-irix*) | 
|  | llvm_cv_target_os_type="IRIX" ;; | 
|  | *-*-cygwin*) | 
|  | llvm_cv_target_os_type="Cygwin" ;; | 
|  | *-*-darwin*) | 
|  | llvm_cv_target_os_type="Darwin" ;; | 
|  | *-*-minix*) | 
|  | llvm_cv_target_os_type="Minix" ;; | 
|  | *-*-freebsd*) | 
|  | llvm_cv_target_os_type="FreeBSD" ;; | 
|  | *-*-openbsd*) | 
|  | llvm_cv_target_os_type="OpenBSD" ;; | 
|  | *-*-netbsd*) | 
|  | llvm_cv_target_os_type="NetBSD" ;; | 
|  | *-*-dragonfly*) | 
|  | llvm_cv_target_os_type="DragonFly" ;; | 
|  | *-*-hpux*) | 
|  | llvm_cv_target_os_type="HP-UX" ;; | 
|  | *-*-interix*) | 
|  | llvm_cv_target_os_type="Interix" ;; | 
|  | *-*-linux*) | 
|  | llvm_cv_target_os_type="Linux" ;; | 
|  | *-*-solaris*) | 
|  | llvm_cv_target_os_type="SunOS" ;; | 
|  | *-*-auroraux*) | 
|  | llvm_cv_target_os_type="AuroraUX" ;; | 
|  | *-*-win32*) | 
|  | llvm_cv_target_os_type="Win32" ;; | 
|  | *-*-mingw*) | 
|  | llvm_cv_target_os_type="MingW" ;; | 
|  | *-*-haiku*) | 
|  | llvm_cv_target_os_type="Haiku" ;; | 
|  | *-*-rtems*) | 
|  | llvm_cv_target_os_type="RTEMS" ;; | 
|  | *-*-nacl*) | 
|  | llvm_cv_target_os_type="NativeClient" ;; | 
|  | *-unknown-eabi*) | 
|  | llvm_cv_target_os_type="Freestanding" ;; | 
|  | *) | 
|  | llvm_cv_target_os_type="Unknown" ;; | 
|  | esac]) | 
|  |  | 
|  | dnl Make sure we aren't attempting to configure for an unknown system | 
|  | if test "$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,$llvm_cv_os_type) | 
|  | AC_SUBST(HOST_OS,$llvm_cv_os_type) | 
|  | AC_SUBST(TARGET_OS,$llvm_cv_target_os_type) | 
|  |  | 
|  | dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform | 
|  | AC_SUBST(LINKALL,$llvm_cv_link_all_option) | 
|  | AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option) | 
|  |  | 
|  | dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type | 
|  | dnl This is used by lib/Support 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 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 $target in | 
|  | i?86-*)                 llvm_cv_target_arch="x86" ;; | 
|  | amd64-* | x86_64-*)     llvm_cv_target_arch="x86_64" ;; | 
|  | sparc*-*)               llvm_cv_target_arch="Sparc" ;; | 
|  | powerpc*-*)             llvm_cv_target_arch="PowerPC" ;; | 
|  | alpha*-*)               llvm_cv_target_arch="Alpha" ;; | 
|  | arm*-*)                 llvm_cv_target_arch="ARM" ;; | 
|  | mips-*)                 llvm_cv_target_arch="Mips" ;; | 
|  | xcore-*)                llvm_cv_target_arch="XCore" ;; | 
|  | msp430-*)               llvm_cv_target_arch="MSP430" ;; | 
|  | bfin-*)                 llvm_cv_target_arch="Blackfin" ;; | 
|  | mblaze-*)               llvm_cv_target_arch="MBlaze" ;; | 
|  | ptx-*)                  llvm_cv_target_arch="PTX" ;; | 
|  | *)                      llvm_cv_target_arch="Unknown" ;; | 
|  | esac]) | 
|  |  | 
|  | if test "$llvm_cv_target_arch" = "Unknown" ; then | 
|  | AC_MSG_WARN([Configuring LLVM for an unknown target archicture]) | 
|  | fi | 
|  |  | 
|  | # Determine the LLVM native architecture for the target | 
|  | case "$llvm_cv_target_arch" in | 
|  | x86)     LLVM_NATIVE_ARCH="X86" ;; | 
|  | x86_64)  LLVM_NATIVE_ARCH="X86" ;; | 
|  | *)       LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;; | 
|  | esac | 
|  |  | 
|  | dnl Define a substitution, ARCH, for the target architecture | 
|  | AC_SUBST(ARCH,$llvm_cv_target_arch) | 
|  |  | 
|  | dnl Check for the endianness of the target | 
|  | AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little])) | 
|  |  | 
|  | dnl Check for build platform executable suffix if we're crosscompiling | 
|  | if test "$cross_compiling" = yes; then | 
|  | AC_SUBST(LLVM_CROSS_COMPILING, [1]) | 
|  | AC_BUILD_EXEEXT | 
|  | ac_build_prefix=${build_alias}- | 
|  | AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++) | 
|  | if test -z "$BUILD_CXX"; then | 
|  | AC_CHECK_PROG(BUILD_CXX, g++, g++) | 
|  | if test -z "$BUILD_CXX"; then | 
|  | AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++) | 
|  | fi | 
|  | fi | 
|  | else | 
|  | AC_SUBST(LLVM_CROSS_COMPILING, [0]) | 
|  | fi | 
|  |  | 
|  | dnl Check to see if there's a .svn or .git directory indicating that this | 
|  | dnl build is being done from a checkout. This sets up several defaults for | 
|  | dnl the command line switches. When we build with a checkout directory, | 
|  | dnl we get a debug with assertions turned on. Without, we assume a source | 
|  | dnl release and we get an optimized build without assertions. | 
|  | dnl See --enable-optimized and --enable-assertions below | 
|  | if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then | 
|  | cvsbuild="yes" | 
|  | optimize="no" | 
|  | AC_SUBST(CVSBUILD,[[CVSBUILD=1]]) | 
|  | else | 
|  | cvsbuild="no" | 
|  | optimize="yes" | 
|  | fi | 
|  |  | 
|  | dnl===-----------------------------------------------------------------------=== | 
|  | dnl=== | 
|  | dnl=== SECTION 3: Command line arguments for the configure script. | 
|  | dnl=== | 
|  | dnl===-----------------------------------------------------------------------=== | 
|  |  | 
|  | dnl --enable-optimized : check whether they want to do an optimized build: | 
|  | AC_ARG_ENABLE(optimized, AS_HELP_STRING( | 
|  | --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize) | 
|  | if test ${enableval} = "no" ; then | 
|  | AC_SUBST(ENABLE_OPTIMIZED,[[]]) | 
|  | else | 
|  | AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]]) | 
|  | fi | 
|  |  | 
|  | dnl --enable-profiling : check whether they want to do a profile build: | 
|  | AC_ARG_ENABLE(profiling, AS_HELP_STRING( | 
|  | --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no") | 
|  | if test ${enableval} = "no" ; then | 
|  | AC_SUBST(ENABLE_PROFILING,[[]]) | 
|  | else | 
|  | AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]]) | 
|  | fi | 
|  |  | 
|  | dnl --enable-assertions : check whether they want to turn on assertions or not: | 
|  | AC_ARG_ENABLE(assertions,AS_HELP_STRING( | 
|  | --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes") | 
|  | if test ${enableval} = "yes" ; then | 
|  | AC_SUBST(DISABLE_ASSERTIONS,[[]]) | 
|  | else | 
|  | AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]]) | 
|  | fi | 
|  |  | 
|  | dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks: | 
|  | AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING( | 
|  | --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no") | 
|  | if test ${enableval} = "yes" ; then | 
|  | AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]]) | 
|  | AC_SUBST(EXPENSIVE_CHECKS,[[yes]]) | 
|  | else | 
|  | AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]]) | 
|  | AC_SUBST(EXPENSIVE_CHECKS,[[no]]) | 
|  | fi | 
|  |  | 
|  | dnl --enable-debug-runtime : should runtime libraries have debug symbols? | 
|  | AC_ARG_ENABLE(debug-runtime, | 
|  | AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no) | 
|  | if test ${enableval} = "no" ; then | 
|  | AC_SUBST(DEBUG_RUNTIME,[[]]) | 
|  | else | 
|  | AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]]) | 
|  | fi | 
|  |  | 
|  | dnl --enable-debug-symbols : should even optimized compiler libraries | 
|  | dnl have debug symbols? | 
|  | AC_ARG_ENABLE(debug-symbols, | 
|  | 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) | 
|  | if test ${enableval} = "no" ; then | 
|  | AC_SUBST(DEBUG_SYMBOLS,[[]]) | 
|  | else | 
|  | AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=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(TARGET_HAS_JIT,1) ;; | 
|  | Sparc)       AC_SUBST(TARGET_HAS_JIT,0) ;; | 
|  | PowerPC)     AC_SUBST(TARGET_HAS_JIT,1) ;; | 
|  | x86_64)      AC_SUBST(TARGET_HAS_JIT,1) ;; | 
|  | Alpha)       AC_SUBST(TARGET_HAS_JIT,0) ;; | 
|  | ARM)         AC_SUBST(TARGET_HAS_JIT,1) ;; | 
|  | Mips)        AC_SUBST(TARGET_HAS_JIT,1) ;; | 
|  | XCore)       AC_SUBST(TARGET_HAS_JIT,0) ;; | 
|  | MSP430)      AC_SUBST(TARGET_HAS_JIT,0) ;; | 
|  | Blackfin)    AC_SUBST(TARGET_HAS_JIT,0) ;; | 
|  | MBlaze)      AC_SUBST(TARGET_HAS_JIT,0) ;; | 
|  | PTX)         AC_SUBST(TARGET_HAS_JIT,0) ;; | 
|  | *)           AC_SUBST(TARGET_HAS_JIT,0) ;; | 
|  | esac | 
|  | fi | 
|  |  | 
|  | dnl Allow enablement of building and installing docs | 
|  | AC_ARG_ENABLE(docs, | 
|  | AS_HELP_STRING([--enable-docs], | 
|  | [Build documents (default is YES)]),, | 
|  | enableval=default) | 
|  | case "$enableval" in | 
|  | yes) AC_SUBST(ENABLE_DOCS,[1]) ;; | 
|  | no)  AC_SUBST(ENABLE_DOCS,[0]) ;; | 
|  | default) AC_SUBST(ENABLE_DOCS,[1]) ;; | 
|  | *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;; | 
|  | esac | 
|  |  | 
|  | dnl Allow enablement of doxygen generated documentation | 
|  | AC_ARG_ENABLE(doxygen, | 
|  | AS_HELP_STRING([--enable-doxygen], | 
|  | [Build doxygen documentation (default is NO)]),, | 
|  | enableval=default) | 
|  | case "$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 disablement of threads | 
|  | AC_ARG_ENABLE(threads, | 
|  | AS_HELP_STRING([--enable-threads], | 
|  | [Use threads if available (default is YES)]),, | 
|  | enableval=default) | 
|  | case "$enableval" in | 
|  | yes) AC_SUBST(ENABLE_THREADS,[1]) ;; | 
|  | no)  AC_SUBST(ENABLE_THREADS,[0]) ;; | 
|  | default) AC_SUBST(ENABLE_THREADS,[1]) ;; | 
|  | *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;; | 
|  | esac | 
|  | AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled]) | 
|  |  | 
|  | dnl Allow disablement of pthread.h | 
|  | AC_ARG_ENABLE(pthreads, | 
|  | AS_HELP_STRING([--enable-pthreads], | 
|  | [Use pthreads if available (default is YES)]),, | 
|  | enableval=default) | 
|  | case "$enableval" in | 
|  | yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;; | 
|  | no)  AC_SUBST(ENABLE_PTHREADS,[0]) ;; | 
|  | default) AC_SUBST(ENABLE_PTHREADS,[1]) ;; | 
|  | *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;; | 
|  | esac | 
|  |  | 
|  | dnl Allow building without position independent code | 
|  | AC_ARG_ENABLE(pic, | 
|  | AS_HELP_STRING([--enable-pic], | 
|  | [Build LLVM with Position Independent Code (default is YES)]),, | 
|  | enableval=default) | 
|  | case "$enableval" in | 
|  | yes) AC_SUBST(ENABLE_PIC,[1]) ;; | 
|  | no)  AC_SUBST(ENABLE_PIC,[0]) ;; | 
|  | default) AC_SUBST(ENABLE_PIC,[1]) ;; | 
|  | *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;; | 
|  | esac | 
|  | AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC, | 
|  | [Define if position independent code is enabled]) | 
|  |  | 
|  | dnl Allow building a shared library and linking tools against it. | 
|  | AC_ARG_ENABLE(shared, | 
|  | AS_HELP_STRING([--enable-shared], | 
|  | [Build a shared library and link tools against it (default is NO)]),, | 
|  | enableval=default) | 
|  | case "$enableval" in | 
|  | yes) AC_SUBST(ENABLE_SHARED,[1]) ;; | 
|  | no)  AC_SUBST(ENABLE_SHARED,[0]) ;; | 
|  | default) AC_SUBST(ENABLE_SHARED,[0]) ;; | 
|  | *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;; | 
|  | esac | 
|  |  | 
|  | dnl Allow libstdc++ is embedded in LLVM.dll. | 
|  | AC_ARG_ENABLE(embed-stdcxx, | 
|  | AS_HELP_STRING([--enable-embed-stdcxx], | 
|  | [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),, | 
|  | enableval=default) | 
|  | case "$enableval" in | 
|  | yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;; | 
|  | no)  AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; | 
|  | default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;; | 
|  | *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;; | 
|  | esac | 
|  |  | 
|  | dnl Enable embedding timestamp information into build. | 
|  | AC_ARG_ENABLE(timestamps, | 
|  | AS_HELP_STRING([--enable-timestamps], | 
|  | [Enable embedding timestamp information in build (default is YES)]),, | 
|  | enableval=default) | 
|  | case "$enableval" in | 
|  | yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; | 
|  | no)  AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;; | 
|  | default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; | 
|  | *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;; | 
|  | esac | 
|  | AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS, | 
|  | [Define if timestamp information (e.g., __DATE___) is allowed]) | 
|  |  | 
|  | dnl Allow specific targets to be specified for building (or not) | 
|  | TARGETS_TO_BUILD="" | 
|  | AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets], | 
|  | [Build specific host targets: all or target1,target2,... Valid targets are: | 
|  | host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu, | 
|  | xcore, msp430, blackfin, ptx, cbe, and cpp (default=all)]),, | 
|  | enableval=all) | 
|  | if test "$enableval" = host-only ; then | 
|  | enableval=host | 
|  | fi | 
|  | case "$enableval" in | 
|  | all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU XCore MSP430 Blackfin CBackend CppBackend MBlaze PTX" ;; | 
|  | *)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="Sparc $TARGETS_TO_BUILD" ;; | 
|  | powerpc)  TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; | 
|  | alpha)    TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;; | 
|  | arm)      TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; | 
|  | mips)     TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; | 
|  | spu)      TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;; | 
|  | xcore)    TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; | 
|  | msp430)   TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; | 
|  | blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;; | 
|  | cbe)      TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;; | 
|  | cpp)      TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;; | 
|  | mblaze)   TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;; | 
|  | ptx)      TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;; | 
|  | host) case "$llvm_cv_target_arch" in | 
|  | x86)         TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; | 
|  | x86_64)      TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; | 
|  | Sparc)       TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; | 
|  | PowerPC)     TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; | 
|  | Alpha)       TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;; | 
|  | ARM)         TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; | 
|  | Mips)        TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; | 
|  | MBlaze)      TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;; | 
|  | CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;; | 
|  | XCore)       TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; | 
|  | MSP430)      TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; | 
|  | Blackfin)    TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;; | 
|  | PTX)         TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;; | 
|  | *)       AC_MSG_ERROR([Can not set target to build]) ;; | 
|  | esac ;; | 
|  | *) AC_MSG_ERROR([Unrecognized target $a_target]) ;; | 
|  | esac | 
|  | done | 
|  | ;; | 
|  | esac | 
|  | AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD) | 
|  |  | 
|  | # Determine whether we are building LLVM support for the native architecture. | 
|  | # If so, define LLVM_NATIVE_ARCH to that LLVM target. | 
|  | for a_target in $TARGETS_TO_BUILD; do | 
|  | if test "$a_target" = "$LLVM_NATIVE_ARCH"; then | 
|  | AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH, | 
|  | [LLVM architecture name for the native architecture, if available]) | 
|  | LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target" | 
|  | LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo" | 
|  | LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC" | 
|  | LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter" | 
|  | if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then | 
|  | LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser" | 
|  | fi | 
|  | AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET, | 
|  | [LLVM name for the native Target init function, if available]) | 
|  | AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO, | 
|  | [LLVM name for the native TargetInfo init function, if available]) | 
|  | AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC, | 
|  | [LLVM name for the native target MC init function, if available]) | 
|  | AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER, | 
|  | [LLVM name for the native AsmPrinter init function, if available]) | 
|  | if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then | 
|  | AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER, | 
|  | [LLVM name for the native AsmParser init function, if available]) | 
|  | fi | 
|  | fi | 
|  | done | 
|  |  | 
|  | # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual | 
|  | # target feature def files. | 
|  | LLVM_ENUM_TARGETS="" | 
|  | LLVM_ENUM_ASM_PRINTERS="" | 
|  | LLVM_ENUM_ASM_PARSERS="" | 
|  | LLVM_ENUM_DISASSEMBLERS="" | 
|  | for target_to_build in $TARGETS_TO_BUILD; do | 
|  | LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS" | 
|  | if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then | 
|  | LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS"; | 
|  | fi | 
|  | if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then | 
|  | LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS"; | 
|  | fi | 
|  | if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then | 
|  | LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS"; | 
|  | fi | 
|  | done | 
|  | AC_SUBST(LLVM_ENUM_TARGETS) | 
|  | AC_SUBST(LLVM_ENUM_ASM_PRINTERS) | 
|  | AC_SUBST(LLVM_ENUM_ASM_PARSERS) | 
|  | AC_SUBST(LLVM_ENUM_DISASSEMBLERS) | 
|  |  | 
|  | dnl Prevent the CBackend from using printf("%a") for floating point so older | 
|  | dnl C compilers that cannot deal with the 0x0p+0 hex floating point format | 
|  | dnl can still compile the CBE's output | 
|  | AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a], | 
|  | [Enable C Backend output with hex floating point via %a  (default is YES)]),, | 
|  | enableval=default) | 
|  | case "$enableval" in | 
|  | yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;; | 
|  | no)  AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;; | 
|  | default)  AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;; | 
|  | *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;; | 
|  | esac | 
|  | AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A, | 
|  | [Define if CBE is enabled for printf %a output]) | 
|  |  | 
|  | dnl Override the option to use for optimized builds. | 
|  | AC_ARG_WITH(optimize-option, | 
|  | AS_HELP_STRING([--with-optimize-option], | 
|  | [Select the compiler options to use for optimized builds]),, | 
|  | withval=default) | 
|  | AC_MSG_CHECKING([optimization flags]) | 
|  | case "$withval" in | 
|  | default) | 
|  | case "$llvm_cv_os_type" in | 
|  | FreeBSD) optimize_option=-O2 ;; | 
|  | MingW) optimize_option=-O2 ;; | 
|  | *)     optimize_option=-O3 ;; | 
|  | esac ;; | 
|  | *) optimize_option="$withval" ;; | 
|  | esac | 
|  | AC_SUBST(OPTIMIZE_OPTION,$optimize_option) | 
|  | AC_MSG_RESULT([$optimize_option]) | 
|  |  | 
|  | dnl Specify extra build options | 
|  | AC_ARG_WITH(extra-options, | 
|  | AS_HELP_STRING([--with-extra-options], | 
|  | [Specify additional options to compile LLVM with]),, | 
|  | withval=default) | 
|  | case "$withval" in | 
|  | default) EXTRA_OPTIONS= ;; | 
|  | *) EXTRA_OPTIONS=$withval ;; | 
|  | esac | 
|  | AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS) | 
|  |  | 
|  | dnl Specify extra linker build options | 
|  | AC_ARG_WITH(extra-ld-options, | 
|  | AS_HELP_STRING([--with-extra-ld-options], | 
|  | [Specify additional options to link LLVM with]),, | 
|  | withval=default) | 
|  | case "$withval" in | 
|  | default) EXTRA_LD_OPTIONS= ;; | 
|  | *) EXTRA_LD_OPTIONS=$withval ;; | 
|  | esac | 
|  | AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS) | 
|  |  | 
|  | dnl Allow specific bindings to be specified for building (or not) | 
|  | AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings], | 
|  | [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),, | 
|  | enableval=default) | 
|  | BINDINGS_TO_BUILD="" | 
|  | case "$enableval" in | 
|  | yes | default | auto) BINDINGS_TO_BUILD="auto" ;; | 
|  | all ) BINDINGS_TO_BUILD="ocaml" ;; | 
|  | none | no) BINDINGS_TO_BUILD="" ;; | 
|  | *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do | 
|  | case "$a_binding" in | 
|  | ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;; | 
|  | *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;; | 
|  | esac | 
|  | done | 
|  | ;; | 
|  | esac | 
|  |  | 
|  | dnl Allow the ocaml libdir to be overridden. This could go in a configure | 
|  | dnl script for bindings/ocaml/configure, except that its auto value depends on | 
|  | dnl OCAMLC, which is found here to support tests. | 
|  | AC_ARG_WITH([ocaml-libdir], | 
|  | [AS_HELP_STRING([--with-ocaml-libdir], | 
|  | [Specify install location for ocaml bindings (default is stdlib)])], | 
|  | [], | 
|  | [withval=auto]) | 
|  | case "$withval" in | 
|  | auto) with_ocaml_libdir="$withval" ;; | 
|  | /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;; | 
|  | *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;; | 
|  | esac | 
|  |  | 
|  | AC_ARG_WITH(clang-resource-dir, | 
|  | AS_HELP_STRING([--with-clang-resource-dir], | 
|  | [Relative directory from the Clang binary for resource files]),, | 
|  | withval="") | 
|  | AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval", | 
|  | [Relative directory for resource files]) | 
|  |  | 
|  | AC_ARG_WITH(c-include-dirs, | 
|  | AS_HELP_STRING([--with-c-include-dirs], | 
|  | [Colon separated list of directories clang will search for headers]),, | 
|  | withval="") | 
|  | AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval", | 
|  | [Directories clang will search for headers]) | 
|  |  | 
|  | AC_ARG_WITH(cxx-include-root, | 
|  | AS_HELP_STRING([--with-cxx-include-root], | 
|  | [Directory with the libstdc++ headers.]),, | 
|  | withval="") | 
|  | AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval", | 
|  | [Directory with the libstdc++ headers.]) | 
|  |  | 
|  | AC_ARG_WITH(cxx-include-arch, | 
|  | AS_HELP_STRING([--with-cxx-include-arch], | 
|  | [Architecture of the libstdc++ headers.]),, | 
|  | withval="") | 
|  | AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval", | 
|  | [Arch the libstdc++ headers.]) | 
|  |  | 
|  | AC_ARG_WITH(cxx-include-32bit-dir, | 
|  | AS_HELP_STRING([--with-cxx-include-32bit-dir], | 
|  | [32 bit multilib dir.]),, | 
|  | withval="") | 
|  | AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval", | 
|  | [32 bit multilib directory.]) | 
|  |  | 
|  | AC_ARG_WITH(cxx-include-64bit-dir, | 
|  | AS_HELP_STRING([--with-cxx-include-64bit-dir], | 
|  | [64 bit multilib directory.]),, | 
|  | withval="") | 
|  | AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval", | 
|  | [64 bit multilib directory.]) | 
|  |  | 
|  | dnl Allow linking of LLVM with GPLv3 binutils code. | 
|  | AC_ARG_WITH(binutils-include, | 
|  | AS_HELP_STRING([--with-binutils-include], | 
|  | [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),, | 
|  | withval=default) | 
|  | case "$withval" in | 
|  | default) WITH_BINUTILS_INCDIR=default ;; | 
|  | /* | [[A-Za-z]]:[[\\/]]*)      WITH_BINUTILS_INCDIR=$withval ;; | 
|  | *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;; | 
|  | esac | 
|  | if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then | 
|  | AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR) | 
|  | if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then | 
|  | echo "$WITH_BINUTILS_INCDIR/plugin-api.h" | 
|  | AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]); | 
|  | fi | 
|  | fi | 
|  |  | 
|  | dnl Specify the URL where bug reports should be submitted. | 
|  | AC_ARG_WITH(bug-report-url, | 
|  | AS_HELP_STRING([--with-bug-report-url], | 
|  | [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),, | 
|  | withval="http://llvm.org/bugs/") | 
|  | AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval", | 
|  | [Bug report URL.]) | 
|  |  | 
|  | dnl --enable-libffi : check whether the user wants to turn off libffi: | 
|  | AC_ARG_ENABLE(libffi,AS_HELP_STRING( | 
|  | --enable-libffi,[Check for the presence of libffi (default is NO)]), | 
|  | [case "$enableval" in | 
|  | yes) llvm_cv_enable_libffi="yes" ;; | 
|  | no)  llvm_cv_enable_libffi="no"  ;; | 
|  | *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;; | 
|  | esac], | 
|  | llvm_cv_enable_libffi=no) | 
|  |  | 
|  | dnl===-----------------------------------------------------------------------=== | 
|  | dnl=== | 
|  | dnl=== SECTION 4: Check for programs we need and that they are the right version | 
|  | dnl=== | 
|  | dnl===-----------------------------------------------------------------------=== | 
|  |  | 
|  | AC_PROG_NM | 
|  | AC_SUBST(NM) | 
|  |  | 
|  | 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_CHECK_TOOL(AR, ar, false) | 
|  | AC_PATH_PROG(RM,   [rm],   [rm]) | 
|  | AC_PATH_PROG(SED,  [sed],  [sed]) | 
|  | AC_PATH_PROG(TAR,  [tar],  [gtar]) | 
|  | AC_PATH_PROG(BINPWD,[pwd],  [pwd]) | 
|  |  | 
|  | dnl Looking for misc. graph plotting software | 
|  | AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz]) | 
|  | if test "$GRAPHVIZ" != "echo Graphviz" ; then | 
|  | AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available]) | 
|  | dnl If we're targeting for mingw we should emit windows paths, not msys | 
|  | if test "$llvm_cv_os_type" = "MingW" ; then | 
|  | GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` | 
|  | fi | 
|  | AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}", | 
|  | [Define to path to Graphviz program if found or 'echo Graphviz' otherwise]) | 
|  | fi | 
|  | AC_PATH_PROG(DOT, [dot], [echo dot]) | 
|  | if test "$DOT" != "echo dot" ; then | 
|  | AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available]) | 
|  | dnl If we're targeting for mingw we should emit windows paths, not msys | 
|  | if test "$llvm_cv_os_type" = "MingW" ; then | 
|  | DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` | 
|  | fi | 
|  | AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}", | 
|  | [Define to path to dot program if found or 'echo dot' otherwise]) | 
|  | fi | 
|  | AC_PATH_PROG(FDP, [fdp], [echo fdp]) | 
|  | if test "$FDP" != "echo fdp" ; then | 
|  | AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available]) | 
|  | dnl If we're targeting for mingw we should emit windows paths, not msys | 
|  | if test "$llvm_cv_os_type" = "MingW" ; then | 
|  | FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` | 
|  | fi | 
|  | AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}", | 
|  | [Define to path to fdp program if found or 'echo fdp' otherwise]) | 
|  | fi | 
|  | AC_PATH_PROG(NEATO, [neato], [echo neato]) | 
|  | if test "$NEATO" != "echo neato" ; then | 
|  | AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available]) | 
|  | dnl If we're targeting for mingw we should emit windows paths, not msys | 
|  | if test "$llvm_cv_os_type" = "MingW" ; then | 
|  | NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` | 
|  | fi | 
|  | AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}", | 
|  | [Define to path to neato program if found or 'echo neato' otherwise]) | 
|  | fi | 
|  | AC_PATH_PROG(TWOPI, [twopi], [echo twopi]) | 
|  | if test "$TWOPI" != "echo twopi" ; then | 
|  | AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available]) | 
|  | dnl If we're targeting for mingw we should emit windows paths, not msys | 
|  | if test "$llvm_cv_os_type" = "MingW" ; then | 
|  | TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` | 
|  | fi | 
|  | AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}", | 
|  | [Define to path to twopi program if found or 'echo twopi' otherwise]) | 
|  | fi | 
|  | AC_PATH_PROG(CIRCO, [circo], [echo circo]) | 
|  | if test "$CIRCO" != "echo circo" ; then | 
|  | AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available]) | 
|  | dnl If we're targeting for mingw we should emit windows paths, not msys | 
|  | if test "$llvm_cv_os_type" = "MingW" ; then | 
|  | CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` | 
|  | fi | 
|  | AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}", | 
|  | [Define to path to circo program if found or 'echo circo' otherwise]) | 
|  | fi | 
|  | AC_PATH_PROGS(GV, [gv gsview32], [echo gv]) | 
|  | if test "$GV" != "echo gv" ; then | 
|  | AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available]) | 
|  | dnl If we're targeting for mingw we should emit windows paths, not msys | 
|  | if test "$llvm_cv_os_type" = "MingW" ; then | 
|  | GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` | 
|  | fi | 
|  | AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}", | 
|  | [Define to path to gv program if found or 'echo gv' otherwise]) | 
|  | fi | 
|  | AC_PATH_PROG(DOTTY, [dotty], [echo dotty]) | 
|  | if test "$DOTTY" != "echo dotty" ; then | 
|  | AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available]) | 
|  | dnl If we're targeting for mingw we should emit windows paths, not msys | 
|  | if test "$llvm_cv_os_type" = "MingW" ; then | 
|  | DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` | 
|  | fi | 
|  | AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}", | 
|  | [Define to path to dotty program if found or 'echo dotty' otherwise]) | 
|  | fi | 
|  | AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py]) | 
|  | if test "$XDOT_PY" != "echo xdot.py" ; then | 
|  | AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available]) | 
|  | dnl If we're targeting for mingw we should emit windows paths, not msys | 
|  | if test "$llvm_cv_os_type" = "MingW" ; then | 
|  | XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` | 
|  | fi | 
|  | AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}", | 
|  | [Define to path to xdot.py program if found or 'echo xdot.py' otherwise]) | 
|  | fi | 
|  |  | 
|  | dnl Look for a sufficiently recent version of Perl. | 
|  | LLVM_PROG_PERL([5.006]) | 
|  | AC_SUBST(PERL) | 
|  | if test x"$PERL" = xnone; then | 
|  | AC_SUBST(HAVE_PERL,0) | 
|  | AC_MSG_ERROR([perl is required but was not found, please install it]) | 
|  | else | 
|  | AC_SUBST(HAVE_PERL,1) | 
|  | fi | 
|  |  | 
|  | dnl Find the install program | 
|  | AC_PROG_INSTALL | 
|  | dnl Prepend src dir to install path dir if it's a relative path | 
|  | dnl This is a hack for installs that take place in something other | 
|  | dnl than the top level. | 
|  | case "$INSTALL" in | 
|  | [[\\/$]]* | ?:[[\\/]]* ) ;; | 
|  | *)  INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;; | 
|  | esac | 
|  |  | 
|  | 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]) | 
|  | AC_PATH_PROG(CAT, [cat]) | 
|  | AC_PATH_PROG(DOXYGEN, [doxygen]) | 
|  | AC_PATH_PROG(GROFF, [groff]) | 
|  | AC_PATH_PROG(GZIPBIN, [gzip]) | 
|  | AC_PATH_PROG(POD2HTML, [pod2html]) | 
|  | AC_PATH_PROG(POD2MAN, [pod2man]) | 
|  | AC_PATH_PROG(PDFROFF, [pdfroff]) | 
|  | AC_PATH_PROG(RUNTEST, [runtest]) | 
|  | DJ_AC_PATH_TCLSH | 
|  | AC_PATH_PROG(ZIP, [zip]) | 
|  | AC_PATH_PROGS(OCAMLC, [ocamlc]) | 
|  | AC_PATH_PROGS(OCAMLOPT, [ocamlopt]) | 
|  | AC_PATH_PROGS(OCAMLDEP, [ocamldep]) | 
|  | AC_PATH_PROGS(OCAMLDOC, [ocamldoc]) | 
|  | AC_PATH_PROGS(GAS, [gas as]) | 
|  |  | 
|  | dnl Get the version of the linker in use. | 
|  | AC_LINK_GET_VERSION | 
|  |  | 
|  | dnl Determine whether the linker supports the -R option. | 
|  | AC_LINK_USE_R | 
|  |  | 
|  | dnl Determine whether the linker supports the -export-dynamic option. | 
|  | AC_LINK_EXPORT_DYNAMIC | 
|  |  | 
|  | dnl Determine whether the linker supports the --version-script option. | 
|  | AC_LINK_VERSION_SCRIPT | 
|  |  | 
|  | 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_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 "$ICC" != "yes" | 
|  | then | 
|  | AC_MSG_ERROR([gcc|icc required but not found]) | 
|  | fi | 
|  |  | 
|  | dnl Ensure that compilation tools are compatible with GCC extensions | 
|  | if test "$GXX" != "yes" && test "$IXX" != "yes" | 
|  | then | 
|  | AC_MSG_ERROR([g++|clang++|icc required but not found]) | 
|  | fi | 
|  |  | 
|  | dnl Verify that GCC is version 3.0 or higher | 
|  | if test "$GCC" = "yes" | 
|  | then | 
|  | AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3 | 
|  | #error Unsupported GCC version | 
|  | #endif | 
|  | ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])]) | 
|  | fi | 
|  |  | 
|  | dnl Check for GNU Make.  We use its extensions, so don't build without it | 
|  | if test -z "$llvm_cv_gnu_make_command" | 
|  | then | 
|  | AC_MSG_ERROR([GNU Make required but not found]) | 
|  | fi | 
|  |  | 
|  | dnl Tool compatibility is okay if we make it here. | 
|  | AC_MSG_RESULT([ok]) | 
|  |  | 
|  | dnl Check optional compiler flags. | 
|  | AC_MSG_CHECKING([optional compiler flags]) | 
|  | CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros]) | 
|  | CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers]) | 
|  | AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS]) | 
|  |  | 
|  | dnl===-----------------------------------------------------------------------=== | 
|  | dnl=== | 
|  | dnl=== SECTION 5: Check for libraries | 
|  | dnl=== | 
|  | dnl===-----------------------------------------------------------------------=== | 
|  |  | 
|  | AC_CHECK_LIB(m,sin) | 
|  | if test "$llvm_cv_os_type" = "MingW" ; then | 
|  | AC_CHECK_LIB(imagehlp, main) | 
|  | AC_CHECK_LIB(psapi, main) | 
|  | fi | 
|  |  | 
|  | 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 libffi is optional; used to call external functions from the interpreter | 
|  | if test "$llvm_cv_enable_libffi" = "yes" ; then | 
|  | AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1], | 
|  | [Define if libffi is available on this platform.]), | 
|  | AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it])) | 
|  | fi | 
|  |  | 
|  | dnl mallinfo is optional; the code can compile (minus features) without it | 
|  | AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1], | 
|  | [Define if mallinfo() is available on this platform.])) | 
|  |  | 
|  | dnl pthread locking functions are optional - but llvm will not be thread-safe | 
|  | dnl without locks. | 
|  | if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then | 
|  | AC_CHECK_LIB(pthread, pthread_mutex_init) | 
|  | AC_SEARCH_LIBS(pthread_mutex_lock,pthread, | 
|  | AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1], | 
|  | [Have pthread_mutex_lock])) | 
|  | AC_SEARCH_LIBS(pthread_rwlock_init,pthread, | 
|  | AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1], | 
|  | [Have pthread_rwlock_init])) | 
|  | AC_SEARCH_LIBS(pthread_getspecific,pthread, | 
|  | AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1], | 
|  | [Have pthread_getspecific])) | 
|  | fi | 
|  |  | 
|  | dnl Allow extra x86-disassembler library | 
|  | AC_ARG_WITH(udis86, | 
|  | AS_HELP_STRING([--with-udis86=<path>], | 
|  | [Use udis86 external x86 disassembler library]), | 
|  | [ | 
|  | AC_SUBST(USE_UDIS86, [1]) | 
|  | case "$withval" in | 
|  | /usr/lib|yes) ;; | 
|  | *) LDFLAGS="$LDFLAGS -L${withval}" ;; | 
|  | esac | 
|  | AC_CHECK_LIB(udis86, ud_init, [], [ | 
|  | echo "Error! You need to have libudis86 around." | 
|  | exit -1 | 
|  | ]) | 
|  | ], | 
|  | AC_SUBST(USE_UDIS86, [0])) | 
|  | AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86, | 
|  | [Define if use udis86 library]) | 
|  |  | 
|  | dnl Allow OProfile support for JIT output. | 
|  | AC_ARG_WITH(oprofile, | 
|  | AS_HELP_STRING([--with-oprofile=<prefix>], | 
|  | [Tell OProfile >= 0.9.4 how to symbolize JIT output]), | 
|  | [ | 
|  | AC_SUBST(USE_OPROFILE, [1]) | 
|  | case "$withval" in | 
|  | /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;; | 
|  | no) llvm_cv_oppath= | 
|  | AC_SUBST(USE_OPROFILE, [0]) ;; | 
|  | *) llvm_cv_oppath="${withval}/lib/oprofile" | 
|  | CPPFLAGS="-I${withval}/include";; | 
|  | esac | 
|  | if test -n "$llvm_cv_oppath" ; then | 
|  | LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}" | 
|  | dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744: | 
|  | dnl libbfd is not included properly in libopagent in some Debian | 
|  | dnl versions.  If libbfd isn't found at all, we assume opagent works | 
|  | dnl anyway. | 
|  | AC_SEARCH_LIBS(bfd_init, bfd, [], []) | 
|  | AC_SEARCH_LIBS(op_open_agent, opagent, [], [ | 
|  | echo "Error! You need to have libopagent around." | 
|  | exit -1 | 
|  | ]) | 
|  | AC_CHECK_HEADER([opagent.h], [], [ | 
|  | echo "Error! You need to have opagent.h around." | 
|  | exit -1 | 
|  | ]) | 
|  | fi | 
|  | ], | 
|  | [ | 
|  | AC_SUBST(USE_OPROFILE, [0]) | 
|  | ]) | 
|  | AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE, | 
|  | [Define if we have the oprofile JIT-support library]) | 
|  |  | 
|  | dnl===-----------------------------------------------------------------------=== | 
|  | dnl=== | 
|  | dnl=== SECTION 6: Check for header files | 
|  | dnl=== | 
|  | dnl===-----------------------------------------------------------------------=== | 
|  |  | 
|  | dnl First, use autoconf provided macros for specific headers that we need | 
|  | dnl We don't check for ancient stuff or things that are guaranteed to be there | 
|  | dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers. | 
|  | dnl Generally we're looking for POSIX headers. | 
|  | AC_HEADER_DIRENT | 
|  | AC_HEADER_MMAP_ANONYMOUS | 
|  | AC_HEADER_STAT | 
|  | AC_HEADER_SYS_WAIT | 
|  | AC_HEADER_TIME | 
|  |  | 
|  | AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h]) | 
|  | AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h]) | 
|  | AC_CHECK_HEADERS([utime.h windows.h]) | 
|  | AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h]) | 
|  | AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h]) | 
|  | AC_CHECK_HEADERS([valgrind/valgrind.h]) | 
|  | AC_CHECK_HEADERS([fenv.h]) | 
|  | if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then | 
|  | AC_CHECK_HEADERS(pthread.h, | 
|  | AC_SUBST(HAVE_PTHREAD, 1), | 
|  | AC_SUBST(HAVE_PTHREAD, 0)) | 
|  | else | 
|  | AC_SUBST(HAVE_PTHREAD, 0) | 
|  | fi | 
|  |  | 
|  | dnl Try to find ffi.h. | 
|  | if test "$llvm_cv_enable_libffi" = "yes" ; then | 
|  | AC_CHECK_HEADERS([ffi.h ffi/ffi.h]) | 
|  | fi | 
|  |  | 
|  | dnl Try to find Darwin specific crash reporting libraries. | 
|  | AC_CHECK_HEADERS([CrashReporterClient.h]) | 
|  |  | 
|  | dnl Try to find Darwin specific crash reporting global. | 
|  | AC_MSG_CHECKING([__crashreporter_info__]) | 
|  | AC_LINK_IFELSE( | 
|  | AC_LANG_SOURCE( | 
|  | [[extern const char *__crashreporter_info__; | 
|  | int main() { | 
|  | __crashreporter_info__ = "test"; | 
|  | return 0; | 
|  | } | 
|  | ]]), | 
|  | AC_MSG_RESULT(yes) | 
|  | AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__), | 
|  | AC_MSG_RESULT(no) | 
|  | AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0, | 
|  | Define if __crashreporter_info__ exists.)) | 
|  |  | 
|  | dnl===-----------------------------------------------------------------------=== | 
|  | dnl=== | 
|  | dnl=== SECTION 7: Check for types and structures | 
|  | dnl=== | 
|  | dnl===-----------------------------------------------------------------------=== | 
|  |  | 
|  | AC_HUGE_VAL_CHECK | 
|  | AC_TYPE_PID_T | 
|  | AC_TYPE_SIZE_T | 
|  | AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').]) | 
|  | 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 ceilf floorf roundf rintf nearbyintf getcwd ]) | 
|  | AC_CHECK_FUNCS([powf fmodf strtof round ]) | 
|  | AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ]) | 
|  | AC_CHECK_FUNCS([isatty mkdtemp mkstemp ]) | 
|  | AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ]) | 
|  | AC_CHECK_FUNCS([strerror strerror_r setenv ]) | 
|  | AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ]) | 
|  | AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev]) | 
|  | AC_C_PRINTF_A | 
|  | AC_FUNC_RAND48 | 
|  |  | 
|  | dnl Check the declaration "Secure API" on Windows environments. | 
|  | AC_CHECK_DECLS([strerror_s]) | 
|  |  | 
|  | dnl Check symbols in libgcc.a for JIT on Mingw. | 
|  | if test "$llvm_cv_os_type" = "MingW" ; then | 
|  | AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca])) | 
|  | AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca])) | 
|  | AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk])) | 
|  | AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk])) | 
|  |  | 
|  | AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3])) | 
|  | AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3])) | 
|  | AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3])) | 
|  | AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi])) | 
|  | AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi])) | 
|  | AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf])) | 
|  | AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3])) | 
|  | AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3])) | 
|  | AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3])) | 
|  | AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3])) | 
|  |  | 
|  | AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main])) | 
|  | AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2])) | 
|  | fi | 
|  |  | 
|  | dnl Check Win32 API EnumerateLoadedModules. | 
|  | if test "$llvm_cv_os_type" = "MingW" ; then | 
|  | AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl]) | 
|  | AC_COMPILE_IFELSE([[#include <windows.h> | 
|  | #include <imagehlp.h> | 
|  | extern void foo(PENUMLOADED_MODULES_CALLBACK); | 
|  | extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]], | 
|  | [ | 
|  | AC_MSG_RESULT([yes]) | 
|  | llvm_cv_win32_elmcb_pcstr="PCSTR" | 
|  | ], | 
|  | [ | 
|  | AC_MSG_RESULT([no]) | 
|  | llvm_cv_win32_elmcb_pcstr="PSTR" | 
|  | ]) | 
|  | AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback]) | 
|  | fi | 
|  |  | 
|  | dnl Check for variations in the Standard C++ library and STL. These macros are | 
|  | dnl provided by LLVM in the autoconf/m4 directory. | 
|  | AC_FUNC_ISNAN | 
|  | AC_FUNC_ISINF | 
|  |  | 
|  | dnl Check for mmap support.We also need to know if /dev/zero is required to | 
|  | dnl be opened for allocating RWX memory. | 
|  | dnl Make sure we aren't attempting to configure for an unknown system | 
|  | if test "$llvm_cv_platform_type" = "Unix" ; then | 
|  | AC_FUNC_MMAP | 
|  | AC_FUNC_MMAP_FILE | 
|  | AC_NEED_DEV_ZERO_FOR_MMAP | 
|  |  | 
|  | 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 | 
|  | fi | 
|  |  | 
|  | dnl atomic builtins are required for threading support. | 
|  | AC_MSG_CHECKING(for GCC atomic builtins) | 
|  | dnl Since we'll be using these atomic builtins in C++ files we should test | 
|  | dnl the C++ compiler. | 
|  | AC_LANG_PUSH([C++]) | 
|  | AC_LINK_IFELSE( | 
|  | AC_LANG_SOURCE( | 
|  | [[int main() { | 
|  | volatile unsigned long val = 1; | 
|  | __sync_synchronize(); | 
|  | __sync_val_compare_and_swap(&val, 1, 0); | 
|  | __sync_add_and_fetch(&val, 1); | 
|  | __sync_sub_and_fetch(&val, 1); | 
|  | return 0; | 
|  | } | 
|  | ]]), | 
|  | AC_LANG_POP([C++]) | 
|  | AC_MSG_RESULT(yes) | 
|  | AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics), | 
|  | AC_MSG_RESULT(no) | 
|  | AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics) | 
|  | AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])) | 
|  |  | 
|  | dnl===-----------------------------------------------------------------------=== | 
|  | dnl=== | 
|  | dnl=== SECTION 9: Additional checks, variables, etc. | 
|  | dnl=== | 
|  | dnl===-----------------------------------------------------------------------=== | 
|  |  | 
|  | dnl Handle 32-bit linux systems running a 64-bit kernel. | 
|  | dnl This has to come after section 4 because it invokes the compiler. | 
|  | if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then | 
|  | AC_IS_LINUX_MIXED | 
|  | if test "$llvm_cv_linux_mixed" = "yes"; then | 
|  | llvm_cv_target_arch="x86" | 
|  | ARCH="x86" | 
|  | fi | 
|  | fi | 
|  |  | 
|  | dnl Check whether __dso_handle is present | 
|  | AC_CHECK_FUNCS([__dso_handle]) | 
|  |  | 
|  | dnl Propagate the shared library extension that the libltdl checks did to | 
|  | dnl the Makefiles so we can use it there too | 
|  | AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext) | 
|  |  | 
|  | dnl Propagate the run-time library path variable that the libltdl | 
|  | dnl checks found to the Makefiles so we can use it there too | 
|  | AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var) | 
|  |  | 
|  | # Translate the various configuration directories and other basic | 
|  | # information into substitutions that will end up in Makefile.config.in | 
|  | # that these configured values can be used by the makefiles | 
|  | if test "${prefix}" = "NONE" ; then | 
|  | prefix="/usr/local" | 
|  | fi | 
|  | eval LLVM_PREFIX="${prefix}"; | 
|  | eval LLVM_BINDIR="${prefix}/bin"; | 
|  | eval LLVM_LIBDIR="${prefix}/lib"; | 
|  | eval LLVM_DATADIR="${prefix}/share/llvm"; | 
|  | eval LLVM_DOCSDIR="${prefix}/share/doc/llvm"; | 
|  | eval LLVM_ETCDIR="${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, "$LLVM_DATADIR", | 
|  | [Installation directory for data files]) | 
|  | AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$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, "$LLVM_CONFIGTIME", | 
|  | [Time at which LLVM was configured]) | 
|  | AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host", | 
|  | [Host triple we were built on]) | 
|  |  | 
|  | # Determine which bindings to build. | 
|  | if test "$BINDINGS_TO_BUILD" = auto ; then | 
|  | BINDINGS_TO_BUILD="" | 
|  | if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then | 
|  | BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" | 
|  | fi | 
|  | fi | 
|  | AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD) | 
|  |  | 
|  | # This isn't really configurey, but it avoids having to repeat the list in | 
|  | # other files. | 
|  | AC_SUBST(ALL_BINDINGS,ocaml) | 
|  |  | 
|  | # Do any work necessary to ensure that bindings have what they need. | 
|  | binding_prereqs_failed=0 | 
|  | for a_binding in $BINDINGS_TO_BUILD ; do | 
|  | case "$a_binding" in | 
|  | ocaml) | 
|  | if test "x$OCAMLC" = x ; then | 
|  | AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc]) | 
|  | binding_prereqs_failed=1 | 
|  | fi | 
|  | if test "x$OCAMLDEP" = x ; then | 
|  | AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep]) | 
|  | binding_prereqs_failed=1 | 
|  | fi | 
|  | if test "x$OCAMLOPT" = x ; then | 
|  | AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt]) | 
|  | dnl ocamlopt is optional! | 
|  | fi | 
|  | if test "x$with_ocaml_libdir" != xauto ; then | 
|  | AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir) | 
|  | else | 
|  | ocaml_stdlib="`"$OCAMLC" -where`" | 
|  | if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~" | 
|  | then | 
|  | # ocaml stdlib is beneath our prefix; use stdlib | 
|  | AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib) | 
|  | else | 
|  | # ocaml stdlib is outside our prefix; use libdir/ocaml | 
|  | AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml) | 
|  | fi | 
|  | fi | 
|  | ;; | 
|  | esac | 
|  | done | 
|  | if test "$binding_prereqs_failed" = 1 ; then | 
|  | AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.]) | 
|  | fi | 
|  |  | 
|  | dnl Determine whether the compiler supports -fvisibility-inlines-hidden. | 
|  | AC_CXX_USE_VISIBILITY_INLINES_HIDDEN | 
|  |  | 
|  | dnl Determine linker rpath flag | 
|  | if test "$llvm_cv_link_use_r" = "yes" ; then | 
|  | RPATH="-Wl,-R" | 
|  | else | 
|  | RPATH="-Wl,-rpath" | 
|  | fi | 
|  | AC_SUBST(RPATH) | 
|  |  | 
|  | dnl Determine linker rdynamic flag | 
|  | if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then | 
|  | RDYNAMIC="-Wl,-export-dynamic" | 
|  | else | 
|  | RDYNAMIC="" | 
|  | fi | 
|  | AC_SUBST(RDYNAMIC) | 
|  |  | 
|  | dnl===-----------------------------------------------------------------------=== | 
|  | dnl=== | 
|  | dnl=== SECTION 10: Specify the output files and generate it | 
|  | dnl=== | 
|  | dnl===-----------------------------------------------------------------------=== | 
|  |  | 
|  | dnl ************************************************************************** | 
|  | dnl End LLVM configure.ac Import | 
|  | dnl ************************************************************************** | 
|  |  | 
|  | dnl Configure a common Makefile | 
|  | AC_CONFIG_FILES(Makefile.common) | 
|  | AC_CONFIG_FILES(Makefile.llvm.config) | 
|  |  | 
|  | dnl Configure project makefiles | 
|  | dnl List every Makefile that exists within your source tree | 
|  | AC_CONFIG_MAKEFILE(Makefile) | 
|  | AC_CONFIG_MAKEFILE(lib/Makefile) | 
|  | AC_CONFIG_MAKEFILE(lib/sample/Makefile) | 
|  | AC_CONFIG_MAKEFILE(tools/Makefile) | 
|  | AC_CONFIG_MAKEFILE(tools/sample/Makefile) | 
|  |  | 
|  | dnl This must be last | 
|  | AC_OUTPUT |