Mercurial > hg > CbC > CbC_llvm
diff autoconf/configure.ac @ 3:9ad51c7bc036
1st commit. remove git dir and add all files.
| author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Wed, 15 May 2013 06:43:32 +0900 |
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| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/autoconf/configure.ac Wed May 15 06:43:32 2013 +0900 @@ -0,0 +1,1927 @@ +dnl === configure.ac --------------------------------------------------------=== +dnl The LLVM Compiler Infrastructure +dnl +dnl This file is distributed under the University of Illinois Open Source +dnl License. See LICENSE.TXT for details. +dnl +dnl===-----------------------------------------------------------------------=== +dnl This is the LLVM configuration script. It is processed by the autoconf +dnl program to produce a script named configure. This script contains the +dnl configuration checks that LLVM needs in order to support multiple platforms. +dnl This file is composed of 10 sections per the recommended organization of +dnl autoconf input defined in the autoconf documentation. As this file evolves, +dnl please keep the various types of checks within their sections. The sections +dnl are as follows: +dnl +dnl SECTION 1: Initialization & Setup +dnl SECTION 2: Architecture, target, and host checks +dnl SECTION 3: Command line arguments for the configure script. +dnl SECTION 4: Check for programs we need and that they are the right version +dnl SECTION 5: Check for libraries +dnl SECTION 6: Check for header files +dnl SECTION 7: Check for types and structures +dnl SECTION 8: Check for specific functions needed +dnl SECTION 9: Additional checks, variables, etc. +dnl SECTION 10: Specify the output files and generate it +dnl +dnl===-----------------------------------------------------------------------=== +dnl=== +dnl=== SECTION 1: Initialization & Setup +dnl=== +dnl===-----------------------------------------------------------------------=== +dnl Initialize autoconf and define the package name, version number and +dnl address for reporting bugs. +AC_INIT([LLVM],[3.4svn],[http://llvm.org/bugs/]) +AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API]) +AC_DEFINE([LLVM_VERSION_MINOR], [4], [Minor version of the LLVM API]) + +dnl Provide a copyright substitution and ensure the copyright notice is included +dnl in the output of --version option of the generated configure script. +AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2013 University of Illinois at Urbana-Champaign."]) +AC_COPYRIGHT([Copyright (c) 2003-2013 University of Illinois at Urbana-Champaign.]) + +dnl Indicate that we require autoconf 2.60 or later. +AC_PREREQ(2.60) + +dnl Verify that the source directory is valid. This makes sure that we are +dnl configuring LLVM and not some other package (it validates --srcdir argument) +AC_CONFIG_SRCDIR([lib/IR/Module.cpp]) + +dnl Place all of the extra autoconf files into the config subdirectory. Tell +dnl various tools where the m4 autoconf macros are. +AC_CONFIG_AUX_DIR([autoconf]) + +dnl Quit if the source directory has already been configured. +dnl NOTE: This relies upon undocumented autoconf behavior. +if test ${srcdir} != "." ; then + if test -f ${srcdir}/include/llvm/Config/config.h ; then + AC_MSG_ERROR([Already configured in ${srcdir}]) + fi +fi + +dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS, +dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc). +${CFLAGS=} +${CXXFLAGS=} + +dnl We need to check for the compiler up here to avoid anything else +dnl starting with a different one. +AC_PROG_CC(clang llvm-gcc gcc) +AC_PROG_CXX(clang++ llvm-g++ g++) +AC_PROG_CPP + +dnl If CXX is Clang, check that it can find and parse C++ standard library +dnl headers. +if test "$CXX" = "clang++" ; then + AC_MSG_CHECKING([whether clang works]) + AC_LANG_PUSH([C++]) + dnl Note that space between 'include' and '(' is required. There's a broken + dnl regex in aclocal that otherwise will think that we call m4's include + dnl builtin. + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <limits> +#if __has_include (<cxxabi.h>) +#include <cxxabi.h> +#endif +#if __has_include (<unwind.h>) +#include <unwind.h> +#endif +]])], +[ + AC_MSG_RESULT([yes]) +], +[ + AC_MSG_RESULT([no]) + AC_MSG_ERROR([Selected compiler could not find or parse C++ standard library headers. Rerun with CC=c-compiler CXX=c++-compiler ./configure ...]) +]) + AC_LANG_POP([C++]) +fi + +dnl Configure all of the projects present in our source tree. While we could +dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a +dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated. +dnl Instead we match on the known projects. + +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 Several projects use llvm-gcc, so configure that first +if test -d ${srcdir}/projects/llvm-gcc ; then + AC_CONFIG_SUBDIRS([projects/llvm-gcc]) +fi + +dnl Several projects use the LLVM test suite, so configure it next. +if test -d ${srcdir}/projects/test-suite ; then + AC_CONFIG_SUBDIRS([projects/test-suite]) +fi + +dnl llvm-test is the old name of the test-suite, kept here for backwards +dnl compatibility +if test -d ${srcdir}/projects/llvm-test ; then + AC_CONFIG_SUBDIRS([projects/llvm-test]) +fi + +dnl Some projects use poolalloc; configure that next +if test -d ${srcdir}/projects/poolalloc ; then + AC_CONFIG_SUBDIRS([projects/poolalloc]) +fi + +if test -d ${srcdir}/projects/llvm-poolalloc ; then + AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) +fi + +dnl Check for all other projects +for i in `ls ${srcdir}/projects` +do + if test -d ${srcdir}/projects/${i} ; then + case ${i} in + sample) AC_CONFIG_SUBDIRS([projects/sample]) ;; + privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;; + llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;; + llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);; + llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;; + llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;; + safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;; + llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;; + compiler-rt) ;; + llvm-gcc) ;; + test-suite) ;; + llvm-test) ;; + poolalloc) ;; + llvm-poolalloc) ;; + *) + AC_MSG_WARN([Unknown project (${i}) won't be configured automatically]) + ;; + esac + fi +done + +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 $target in + i?86-*) llvm_cv_target_arch="x86" ;; + amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;; + sparc*-*) llvm_cv_target_arch="Sparc" ;; + powerpc*-*) llvm_cv_target_arch="PowerPC" ;; + arm*-*) llvm_cv_target_arch="ARM" ;; + aarch64*-*) llvm_cv_target_arch="AArch64" ;; + mips-* | mips64-*) llvm_cv_target_arch="Mips" ;; + mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;; + xcore-*) llvm_cv_target_arch="XCore" ;; + msp430-*) llvm_cv_target_arch="MSP430" ;; + hexagon-*) llvm_cv_target_arch="Hexagon" ;; + mblaze-*) llvm_cv_target_arch="MBlaze" ;; + nvptx-*) llvm_cv_target_arch="NVPTX" ;; + s390x-*) llvm_cv_target_arch="SystemZ" ;; + *) llvm_cv_target_arch="Unknown" ;; +esac]) + +if test "$llvm_cv_target_arch" = "Unknown" ; then + AC_MSG_WARN([Configuring LLVM for an unknown target archicture]) +fi + +dnl 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 Determine what our host architecture. +dnl This will allow MCJIT regress tests runs only for supported +dnl platforms. +case $host in + i?86-*) host_arch="x86" ;; + amd64-* | x86_64-*) host_arch="x86_64" ;; + sparc*-*) host_arch="Sparc" ;; + powerpc*-*) host_arch="PowerPC" ;; + arm*-*) host_arch="ARM" ;; + aarch64*-*) host_arch="AArch64" ;; + mips-* | mips64-*) host_arch="Mips" ;; + mipsel-* | mips64el-*) host_arch="Mips" ;; + xcore-*) host_arch="XCore" ;; + msp430-*) host_arch="MSP430" ;; + hexagon-*) host_arch="Hexagon" ;; + mblaze-*) host_arch="MBlaze" ;; + s390x-*) host_arch="SystemZ" ;; + *) host_arch="Unknown" ;; +esac + +if test "$host_arch" = "Unknown" ; then + AC_MSG_WARN([Configuring LLVM for an unknown host archicture]) +fi + +AC_SUBST(HOST_ARCH,$host_arch) + +dnl Check for the endianness of the target +AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little])) + +dnl Check for build platform executable suffix if we're cross-compiling +if test "$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 "$enableval" in + yes) AC_SUBST(ENABLE_CXX11,[1]) ;; + no) AC_SUBST(ENABLE_CXX11,[0]) ;; + default) AC_SUBST(ENABLE_CXX11,[0]);; + *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;; +esac + +dnl --enable-clang-arcmt: check whether to enable clang arcmt +clang_arcmt="yes" +AC_ARG_ENABLE(clang-arcmt, + AS_HELP_STRING([--enable-clang-arcmt], + [Enable building of clang ARCMT (default is YES)]), + clang_arcmt="$enableval", + enableval="yes") +case "$enableval" in + yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;; + no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;; + default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);; + *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;; +esac + +dnl --enable-clang-static-analyzer: check whether to enable static-analyzer +clang_static_analyzer="yes" +AC_ARG_ENABLE(clang-static-analyzer, + AS_HELP_STRING([--enable-clang-static-analyzer], + [Enable building of clang Static Analyzer (default is YES)]), + clang_static_analyzer="$enableval", + enableval="yes") +case "$enableval" in + yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;; + no) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0]) ;; + default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);; + *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;; +esac + +dnl --enable-clang-rewriter: check whether to enable clang rewriter +AC_ARG_ENABLE(clang-rewriter, + AS_HELP_STRING([--enable-clang-rewriter], + [Enable building of clang rewriter (default is YES)]),, + enableval="yes") +case "$enableval" in + yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;; + no) + if test ${clang_arcmt} != "no" ; then + AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.]) + fi + if test ${clang_static_analyzer} != "no" ; then + AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.]) + fi + AC_SUBST(ENABLE_CLANG_REWRITER,[0]) + ;; + default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);; + *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;; +esac + +dnl --enable-optimized : check whether they want to do an optimized build: +AC_ARG_ENABLE(optimized, AS_HELP_STRING( + --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$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-keep-symbols : do not strip installed executables +AC_ARG_ENABLE(keep-symbols, + AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no) +if test ${enableval} = "no" ; then + AC_SUBST(KEEP_SYMBOLS,[[]]) +else + AC_SUBST(KEEP_SYMBOLS,[[KEEP_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) ;; + MBlaze) 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 "$enableval" in + yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;; + no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;; + default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;; + *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;; +esac +AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_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 "$enableval" in + yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;; + no) AC_SUBST(ENABLE_PTHREADS,[0]) ;; + default) AC_SUBST(ENABLE_PTHREADS,[1]) ;; + *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;; +esac + +dnl Allow disablement of zlib +AC_ARG_ENABLE(zlib, + AS_HELP_STRING([--enable-zlib], + [Use zlib for compression/decompression if + available (default is YES)]),, + enableval=default) +case "$enableval" in + yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;; + no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;; + default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;; + *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;; +esac +AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB, + [Define if zlib is enabled]) + +dnl Allow building without position independent code +AC_ARG_ENABLE(pic, + AS_HELP_STRING([--enable-pic], + [Build LLVM with Position Independent Code (default is YES)]),, + enableval=default) +case "$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 NO)]),, + enableval=default) +case "$enableval" in + yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;; + no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; + default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; + *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;; +esac + +dnl Enable embedding timestamp information into build. +AC_ARG_ENABLE(timestamps, + AS_HELP_STRING([--enable-timestamps], + [Enable embedding timestamp information in build (default is YES)]),, + enableval=default) +case "$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],$ENABLE_TIMESTAMPS, + [Define if timestamp information (e.g., __DATE__) is allowed]) + +dnl Enable embedding timestamp information into build. + +AC_ARG_ENABLE(backtraces, + AS_HELP_STRING([--enable-backtraces], + [Enable embedding backtraces on crash (default is YES)]),, + enableval=default) +case "$enableval" in + yes) AC_SUBST(ENABLE_BACKTRACES,[1]) ;; + no) AC_SUBST(ENABLE_BACKTRACES,[0]) ;; + default) AC_SUBST(ENABLE_BACKTRACES,[1]) ;; + *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;; +esac +AC_DEFINE_UNQUOTED([ENABLE_BACKTRACES],$ENABLE_BACKTRACES, + [Define if you want backtraces on crash]) + +dnl Allow specific targets to be specified for building (or not) +TARGETS_TO_BUILD="" +AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets], + [Build specific host targets: all or target1,target2,... Valid targets are: + host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon, + xcore, msp430, nvptx, systemz, and cpp (default=all)]),, + enableval=all) +if test "$enableval" = host-only ; then + enableval=host +fi +case "$enableval" in + all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend MBlaze NVPTX Hexagon SystemZ" ;; + *)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" ;; + mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;; + nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;; + systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;; + host) case "$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" ;; + MBlaze) TARGETS_TO_BUILD="MBlaze $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_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets], + [Build experimental host targets: disable or target1,target2,... + (default=disable)]),, + enableval=disable) + +if test ${enableval} != "disable" +then + TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD" +fi + +AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD) + +dnl Determine whether we are building LLVM support for the native architecture. +dnl 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 + +dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual +dnl 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-srcdir, + AS_HELP_STRING([--with-clang-srcdir], + [Directory to the out-of-tree Clang source]),, + withval="-") +case "$withval" in + -) clang_src_root="" ;; + /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;; + *) clang_src_root="$ac_pwd/$withval" ;; +esac +AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root]) + +AC_ARG_WITH(clang-resource-dir, + AS_HELP_STRING([--with-clang-resource-dir], + [Relative directory from the Clang binary for resource files]),, + withval="") +AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$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.]) + +AC_ARG_WITH(default-sysroot, + AS_HELP_STRING([--with-default-sysroot], + [Add --sysroot=<path> to all compiler invocations.]),, + withval="") +AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval", + [Default <path> to all compiler invocations for --sysroot=<path>.]) + +dnl Allow linking of LLVM with GPLv3 binutils code. +AC_ARG_WITH(binutils-include, + AS_HELP_STRING([--with-binutils-include], + [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),, + withval=default) +case "$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 "$enableval" in + yes) llvm_cv_enable_libffi="yes" ;; + no) llvm_cv_enable_libffi="no" ;; + *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;; + esac], + llvm_cv_enable_libffi=no) + +AC_ARG_WITH(internal-prefix, + AS_HELP_STRING([--with-internal-prefix], + [Installation directory for internal files]),, + withval="") +AC_SUBST(INTERNAL_PREFIX,[$withval]) + +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(PDFROFF, [pdfroff]) +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( +[ + AC_LANG_SOURCE([[ + #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 "$llvm_cv_gnu_make_command" +then + AC_MSG_ERROR([GNU Make required but not found]) +fi + +dnl Tool compatibility is okay if we make it here. +AC_MSG_RESULT([ok]) + +dnl Check optional compiler flags. +AC_MSG_CHECKING([optional compiler flags]) +CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros]) +CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers]) +CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default]) + +dnl GCC's potential uninitialized use analysis is weak and presents lots of +dnl false positives, so disable it. +NO_UNINITIALIZED= +NO_MAYBE_UNINITIALIZED= +if test "$GXX" = "yes" +then + CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized]) + dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are + dnl known to be uninitialized from cases which might be uninitialized. We + dnl still want to catch the first kind of errors. + if test -z "$NO_MAYBE_UNINITIALIZED" + then + CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized]) + fi +fi +AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED]) + +AC_ARG_WITH([python], + [AS_HELP_STRING([--with-python], [path to python])], + [PYTHON="$withval"]) + +if test -n "$PYTHON" && test -x "$PYTHON" ; then + AC_MSG_CHECKING([for python]) + AC_MSG_RESULT([user defined: $with_python]) +else + if test -n "$PYTHON" ; then + AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path]) + fi + + AC_PATH_PROG([PYTHON], [python python2 python26], + [AC_MSG_RESULT([not found]) + AC_MSG_ERROR([could not find python 2.5 or higher])]) +fi + +AC_MSG_CHECKING([for python >= 2.5]) +ac_python_version=`$PYTHON -c 'import sys; print sys.version.split()[[0]]'` +ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1` +ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2` +ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3` +if test "$ac_python_version_major" -eq "2" \ + && test "$ac_python_version_minor" -ge "5" ; then + AC_MSG_RESULT([$PYTHON ($ac_python_version)]) +else + AC_MSG_RESULT([not found]) + AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5]) +fi + +dnl===-----------------------------------------------------------------------=== +dnl=== +dnl=== SECTION 5: Check for libraries +dnl=== +dnl===-----------------------------------------------------------------------=== + +AC_CHECK_LIB(m,sin) +if test "$llvm_cv_os_type" = "MingW" ; then + AC_CHECK_LIB(imagehlp, main) + AC_CHECK_LIB(psapi, main) +fi + +dnl dlopen() is required for plugin support. +AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1], + [Define if dlopen() is available on this platform.]), + AC_MSG_WARN([dlopen() not found - disabling plugin support])) + +dnl Search for the clock_gettime() function. Note that we rely on the POSIX +dnl macros to detect whether clock_gettime is available, this just finds the +dnl right libraries to link with. +AC_SEARCH_LIBS(clock_gettime,rt) + +dnl libffi is optional; used to call external functions from the interpreter +if test "$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 "$LLVM_ENABLE_THREADS" -eq 1 && test "$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 zlib is optional; used for compression/uncompression +if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then + AC_CHECK_LIB(z, compress2) +fi + +dnl Allow extra x86-disassembler library +AC_ARG_WITH(udis86, + AS_HELP_STRING([--with-udis86=<path>], + [Use udis86 external x86 disassembler library]), + [ + AC_SUBST(USE_UDIS86, [1]) + case "$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 + case $llvm_cv_os_type in + Linux) + if test -n "$llvm_cv_oppath" ; then + LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}" + dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744: + dnl libbfd is not included properly in libopagent in some Debian + dnl versions. If libbfd isn't found at all, we assume opagent works + dnl anyway. + AC_SEARCH_LIBS(bfd_init, bfd, [], []) + AC_SEARCH_LIBS(op_open_agent, opagent, [], [ + echo "Error! You need to have libopagent around." + exit -1 + ]) + AC_CHECK_HEADER([opagent.h], [], [ + echo "Error! You need to have opagent.h around." + exit -1 + ]) + fi ;; + *) + AC_MSG_ERROR([OProfile support is available on Linux only.]) ;; + esac + ], + [ + AC_SUBST(USE_OPROFILE, [0]) + ]) +AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE, + [Define if we have the oprofile JIT-support library]) + +dnl Enable support for Intel JIT Events API. +AC_ARG_WITH(intel-jitevents, + AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]), + [ + case "$withval" in + yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);; + no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);; + *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);; + esac + + case $llvm_cv_os_type in + Linux|Win32|Cygwin|MingW) ;; + *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);; + esac + + case "$llvm_cv_target_arch" in + x86|x86_64) ;; + *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);; + esac + ], + [ + AC_SUBST(USE_INTEL_JITEVENTS, [0]) + ]) +AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS, + [Define if we have the Intel JIT API runtime support library]) + +dnl Check for libxml2 +dnl Right now we're just checking for the existence, we could also check for a +dnl particular version via --version on xml2-config +AC_CHECK_PROGS(XML2CONFIG, xml2-config) + +AC_MSG_CHECKING(for libxml2 includes) +if test "x$XML2CONFIG" = "x"; then + AC_MSG_RESULT(xml2-config not found) +else + LIBXML2_INC=`$XML2CONFIG --cflags` + AC_MSG_RESULT($LIBXML2_INC) + AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2]) + LIBXML2_LIBS="-lxml2"]) +fi +AC_SUBST(LIBXML2_LIBS) +AC_SUBST(LIBXML2_INC) + +dnl===-----------------------------------------------------------------------=== +dnl=== +dnl=== SECTION 6: Check for header files +dnl=== +dnl===-----------------------------------------------------------------------=== + +dnl First, use autoconf provided macros for specific headers that we need +dnl We don't check for ancient stuff or things that are guaranteed to be there +dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers. +dnl Generally we're looking for POSIX headers. +AC_HEADER_DIRENT +AC_HEADER_MMAP_ANONYMOUS +AC_HEADER_STAT +AC_HEADER_SYS_WAIT +AC_HEADER_TIME + +AC_LANG_PUSH([C++]) +AC_CHECK_HEADERS([cxxabi.h]) +AC_LANG_POP([C++]) +AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h]) +AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h]) +AC_CHECK_HEADERS([utime.h windows.h]) +AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h]) +AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h]) +AC_CHECK_HEADERS([valgrind/valgrind.h]) +AC_CHECK_HEADERS([fenv.h]) +AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]]) +if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then + AC_CHECK_HEADERS(pthread.h, + AC_SUBST(HAVE_PTHREAD, 1), + AC_SUBST(HAVE_PTHREAD, 0)) +else + AC_SUBST(HAVE_PTHREAD, 0) +fi +if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then + AC_CHECK_HEADERS(zlib.h, + AC_SUBST(HAVE_LIBZ, 1), + AC_SUBST(HAVE_LIBZ, 0)) +else + AC_SUBST(HAVE_LIBZ, 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], [can use __crashreporter_info__]) +]) + +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([log log2 log10 exp exp2]) +AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ]) +AC_CHECK_FUNCS([isatty mkdtemp mkstemp ]) +AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ]) +AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ]) +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 "$llvm_cv_os_type" = "MingW" ; then + AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl]) + AC_COMPILE_IFELSE( +[ + AC_LANG_SOURCE([[ + #include <windows.h> + #include <imagehlp.h> + extern void foo(PENUMLOADED_MODULES_CALLBACK); + extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID)); + ]]) +], +[ + AC_MSG_RESULT([yes]) + llvm_cv_win32_elmcb_pcstr="PCSTR" +], +[ + AC_MSG_RESULT([no]) + llvm_cv_win32_elmcb_pcstr="PSTR" +]) + AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$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 "$ac_cv_func_mmap_file" = "no" + then + AC_MSG_WARN([mmap() of files required but not found]) + fi +fi + +dnl atomic builtins are required for threading support. +AC_MSG_CHECKING(for GCC atomic builtins) +dnl Since we'll be using these atomic builtins in C++ files we should test +dnl the C++ compiler. +AC_LANG_PUSH([C++]) +AC_LINK_IFELSE( +[ + AC_LANG_SOURCE([[ + int main() { + volatile unsigned long val = 1; + __sync_synchronize(); + __sync_val_compare_and_swap(&val, 1, 0); + __sync_add_and_fetch(&val, 1); + __sync_sub_and_fetch(&val, 1); + return 0; + } + ]]) +], +[ + AC_MSG_RESULT([yes]) + AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics]) +], +[ + AC_MSG_RESULT([no]) + AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics]) + AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]) +]) +AC_LANG_POP([C++]) + +dnl===-----------------------------------------------------------------------=== +dnl=== +dnl=== SECTION 9: Additional checks, variables, etc. +dnl=== +dnl===-----------------------------------------------------------------------=== + +dnl Handle 32-bit linux systems running a 64-bit kernel. +dnl This has to come after section 4 because it invokes the compiler. +if test "$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) + +dnl Translate the various configuration directories and other basic +dnl information into substitutions that will end up in Makefile.config.in +dnl 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) + +dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS. +if test "${ENABLE_TIMESTAMPS}" = "0"; then + LLVM_CONFIGTIME="(timestamp not enabled)" +fi + +dnl Place the various directories into the config.h file as #defines so that we +dnl can know about the installation paths within LLVM. +AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$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, "$LLVM_CONFIGTIME", + [Time at which LLVM was configured]) +AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host", + [Host triple LLVM will be executed on]) +AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target", + [Target triple LLVM will generate code for by default]) + +dnl Determine which bindings to build. +if test "$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) + +dnl This isn't really configurey, but it avoids having to repeat the list in +dnl other files. +AC_SUBST(ALL_BINDINGS,ocaml) + +dnl 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 "$llvm_cv_link_use_export_dynamic" = "yes" ; then + RDYNAMIC="-Wl,-export-dynamic" +else + RDYNAMIC="" +fi +AC_SUBST(RDYNAMIC) + +dnl===-----------------------------------------------------------------------=== +dnl=== +dnl=== SECTION 10: Specify the output files and generate it +dnl=== +dnl===-----------------------------------------------------------------------=== + +dnl Configure header files +dnl WARNING: dnl If you add or remove any of the following config headers, then +dnl you MUST also update Makefile so that the variable FilesToConfig +dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the +dnl files can be updated automatically when their *.in sources change. +AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h]) +AH_TOP([#ifndef CONFIG_H +#define CONFIG_H]) +AH_BOTTOM([#endif]) + +AC_CONFIG_FILES([include/llvm/Config/Targets.def]) +AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def]) +AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def]) +AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def]) +AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h]) + +dnl Configure the makefile's configuration data +AC_CONFIG_FILES([Makefile.config]) + +dnl Configure the RPM spec file for LLVM +AC_CONFIG_FILES([llvm.spec]) + +dnl Configure doxygen's configuration file +AC_CONFIG_FILES([docs/doxygen.cfg]) + +dnl Configure clang, if present +if test "${clang_src_root}" = ""; then + clang_src_root="$srcdir/tools/clang" +fi +if test -f ${clang_src_root}/README.txt; then + dnl Use variables to stay under 80 columns. + configh="include/clang/Config/config.h" + doxy="docs/doxygen.cfg" + AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in]) + AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in]) +fi + +dnl OCaml findlib META file +AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm]) + +dnl Add --program-prefix value to Makefile.rules. Already an ARG variable. +test "x$program_prefix" = "xNONE" && program_prefix="" +AC_SUBST([program_prefix]) + + +dnl Do special configuration of Makefiles +AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"]) +AC_CONFIG_MAKEFILE(Makefile) +AC_CONFIG_MAKEFILE(Makefile.common) +AC_CONFIG_MAKEFILE(examples/Makefile) +AC_CONFIG_MAKEFILE(lib/Makefile) +AC_CONFIG_MAKEFILE(runtime/Makefile) +AC_CONFIG_MAKEFILE(test/Makefile) +AC_CONFIG_MAKEFILE(test/Makefile.tests) +AC_CONFIG_MAKEFILE(unittests/Makefile) +AC_CONFIG_MAKEFILE(tools/Makefile) +AC_CONFIG_MAKEFILE(utils/Makefile) +AC_CONFIG_MAKEFILE(projects/Makefile) +AC_CONFIG_MAKEFILE(bindings/Makefile) +AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml) + +dnl Finally, crank out the output +AC_OUTPUT