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* | *-*-kfreebsd-gnu) 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" ;; *-*-gnu*) llvm_cv_link_all_option="-Wl,--whole-archive" llvm_cv_no_link_all_option="-Wl,--no-whole-archive" llvm_cv_os_type="GNU" 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 $target in *-*-aix*) llvm_cv_target_os_type="AIX" ;; *-*-irix*) llvm_cv_target_os_type="IRIX" ;; *-*-cygwin*) llvm_cv_target_os_type="Cygwin" ;; *-*-darwin*) llvm_cv_target_os_type="Darwin" ;; *-*-minix*) llvm_cv_target_os_type="Minix" ;; *-*-freebsd* | *-*-kfreebsd-gnu) llvm_cv_target_os_type="FreeBSD" ;; *-*-openbsd*) llvm_cv_target_os_type="OpenBSD" ;; *-*-netbsd*) llvm_cv_target_os_type="NetBSD" ;; *-*-dragonfly*) llvm_cv_target_os_type="DragonFly" ;; *-*-hpux*) llvm_cv_target_os_type="HP-UX" ;; *-*-interix*) llvm_cv_target_os_type="Interix" ;; *-*-linux*) llvm_cv_target_os_type="Linux" ;; *-*-gnu*) llvm_cv_target_os_type="GNU" ;; *-*-solaris*) llvm_cv_target_os_type="SunOS" ;; *-*-auroraux*) llvm_cv_target_os_type="AuroraUX" ;; *-*-win32*) llvm_cv_target_os_type="Win32" ;; *-*-mingw*) llvm_cv_target_os_type="MingW" ;; *-*-haiku*) llvm_cv_target_os_type="Haiku" ;; *-*-rtems*) llvm_cv_target_os_type="RTEMS" ;; *-*-nacl*) llvm_cv_target_os_type="NativeClient" ;; *-unknown-eabi*) llvm_cv_target_os_type="Freestanding" ;; *) llvm_cv_target_os_type="Unknown" ;; esac]) dnl Make sure we aren't attempting to configure for an unknown system if test "$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 $target in i?86-*) llvm_cv_target_arch="x86" ;; amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;; sparc*-*) llvm_cv_target_arch="Sparc" ;; powerpc*-*) llvm_cv_target_arch="PowerPC" ;; arm*-*) llvm_cv_target_arch="ARM" ;; aarch64*-*) llvm_cv_target_arch="AArch64" ;; mips-* | mips64-*) llvm_cv_target_arch="Mips" ;; mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;; xcore-*) llvm_cv_target_arch="XCore" ;; msp430-*) llvm_cv_target_arch="MSP430" ;; hexagon-*) llvm_cv_target_arch="Hexagon" ;; nvptx-*) llvm_cv_target_arch="NVPTX" ;; s390x-*) llvm_cv_target_arch="SystemZ" ;; *) llvm_cv_target_arch="Unknown" ;; esac]) if test "$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 "${srcdir}/.git"; then cvsbuild="yes" optimize="no" AC_SUBST(CVSBUILD,[[CVSBUILD=1]]) else cvsbuild="no" optimize="yes" fi dnl===-----------------------------------------------------------------------=== dnl=== dnl=== SECTION 3: Command line arguments for the configure script. dnl=== dnl===-----------------------------------------------------------------------=== dnl --enable-libcpp : check whether or not to use libc++ on the command line AC_ARG_ENABLE(libcpp, AS_HELP_STRING([--enable-libcpp], [Use libc++ if available (default is NO)]),, enableval=default) case "$enableval" in yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;; no) AC_SUBST(ENABLE_LIBCPP,[0]) ;; default) AC_SUBST(ENABLE_LIBCPP,[0]);; *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;; esac dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line AC_ARG_ENABLE(cxx11, AS_HELP_STRING([--enable-cxx11], [Use c++11 if available (default is NO)]),, enableval=default) case "$enableval" in yes) AC_SUBST(ENABLE_CXX11,[1]) ;; no) AC_SUBST(ENABLE_CXX11,[0]) ;; default) AC_SUBST(ENABLE_CXX11,[0]);; *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;; esac dnl --enable-optimized : check whether they want to do an optimized build: AC_ARG_ENABLE(optimized, AS_HELP_STRING( --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$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 ${enableval} = "yes" ; then AC_SUBST(DISABLE_ASSERTIONS,[[]]) else AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]]) fi dnl --enable-werror : check whether we want Werror on by default AC_ARG_ENABLE(werror,AS_HELP_STRING( --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no") case "$enableval" in yes) AC_SUBST(ENABLE_WERROR,[1]) ;; no) AC_SUBST(ENABLE_WERROR,[0]) ;; default) AC_SUBST(ENABLE_WERROR,[0]);; *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;; esac 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) ;; ARM) AC_SUBST(TARGET_HAS_JIT,1) ;; AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;; Mips) AC_SUBST(TARGET_HAS_JIT,1) ;; XCore) AC_SUBST(TARGET_HAS_JIT,0) ;; MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;; Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;; NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;; SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;; *) 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],$ENABLE_TIMESTAMPS, [Define if timestamp information (e.g., __DATE___) is allowed]) dnl Allow specific targets to be specified for building (or not) TARGETS_TO_BUILD="" AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets], [Build specific host targets: all or target1,target2,... Valid targets are: host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon, xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),, enableval=all) if test "$enableval" = host-only ; then enableval=host fi case "$enableval" in all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600" ;; *)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" ;; aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;; arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;; hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;; nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;; systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;; r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;; host) case "$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" ;; AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;; ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;; NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;; SystemZ) TARGETS_TO_BUILD="SystemZ $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 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler" 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 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER, [LLVM name for the native Disassembler 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) $LLVM_ENUM_DISASSEMBLERS"; fi done AC_SUBST(LLVM_ENUM_TARGETS) AC_SUBST(LLVM_ENUM_ASM_PRINTERS) AC_SUBST(LLVM_ENUM_ASM_PARSERS) AC_SUBST(LLVM_ENUM_DISASSEMBLERS) dnl Override the option to use for optimized builds. AC_ARG_WITH(optimize-option, AS_HELP_STRING([--with-optimize-option], [Select the compiler options to use for optimized builds]),, withval=default) AC_MSG_CHECKING([optimization flags]) case "$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]) # Clang normally uses the system c++ headers and libraries. With this option, # clang will use the ones provided by a gcc installation instead. This option should # be passed the same value that was used with --prefix when configuring gcc. AC_ARG_WITH(gcc-toolchain, AS_HELP_STRING([--with-gcc-toolchain], [Directory where gcc is installed.]),, withval="") AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval", [Directory where gcc is installed.]) dnl Allow linking of LLVM with GPLv3 binutils code. AC_ARG_WITH(binutils-include, AS_HELP_STRING([--with-binutils-include], [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),, withval=default) case "$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 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 compiler supports the -rdynamic 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 "$llvm_cv_gnu_make_command" then AC_MSG_ERROR([GNU Make required but not found]) fi dnl Tool compatibility is okay if we make it here. AC_MSG_RESULT([ok]) dnl Check optional compiler flags. AC_MSG_CHECKING([optional compiler flags]) CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros]) CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers]) CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default]) AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT]) dnl===-----------------------------------------------------------------------=== dnl=== dnl=== SECTION 5: Check for libraries dnl=== dnl===-----------------------------------------------------------------------=== AC_CHECK_LIB(m,sin) if test "$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_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_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_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, "$LLVM_CONFIGTIME", [Time at which LLVM was configured]) AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target", [Target triple LLVM will generate code for by default]) # 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,$ocaml_stdlib) else # ocaml stdlib is outside our prefix; use libdir/ocaml AC_SUBST(OCAML_LIBDIR,${prefix}/lib/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="-rdynamic" 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