X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=autoconf%2Fconfigure.ac;h=6906a7586ba1cb0c683b171bb6f97bc56a555216;hp=08e7f32142a879668ac80cbaebedccf4d828b0b9;hb=9c62b5eabb41d41023815df01d07bda5abbd8c4c;hpb=23c5021f42f18fe7862b7f66d0a6c8544c34c5cb diff --git a/autoconf/configure.ac b/autoconf/configure.ac index 08e7f32142a..6906a7586ba 100644 --- a/autoconf/configure.ac +++ b/autoconf/configure.ac @@ -31,21 +31,21 @@ dnl=== dnl===-----------------------------------------------------------------------=== dnl Initialize autoconf and define the package name, version number and dnl address for reporting bugs. -AC_INIT([LLVM],[3.3svn],[http://llvm.org/bugs/]) +AC_INIT([LLVM],[3.5svn],[http://llvm.org/bugs/]) AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API]) -AC_DEFINE([LLVM_VERSION_MINOR], [3], [Minor version of the LLVM API]) +AC_DEFINE([LLVM_VERSION_MINOR], [5], [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) 2003-2012 University of Illinois at Urbana-Champaign."]) -AC_COPYRIGHT([Copyright (c) 2003-2012 University of Illinois at Urbana-Champaign.]) +AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2014 University of Illinois at Urbana-Champaign."]) +AC_COPYRIGHT([Copyright (c) 2003-2014 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/VMCore/Module.cpp]) +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. @@ -59,12 +59,136 @@ if test ${srcdir} != "." ; then 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=} +: ${CXXFLAGS=} + dnl We need to check for the compiler up here to avoid anything else dnl starting with a different one. -AC_PROG_CC(clang llvm-gcc gcc) -AC_PROG_CXX(clang++ llvm-g++ g++) +AC_PROG_CC(clang gcc) +AC_PROG_CXX(clang++ g++) AC_PROG_CPP +dnl If CXX is Clang, check that it can find and parse C++ standard library +dnl headers. +if test "$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 +#if __has_include () +#include +#endif +#if __has_include () +#include +#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 Set up variables that track whether the host compiler is GCC or Clang where +dnl we can effectively sanity check them. We don't try to sanity check all the +dnl other possible compilers. +AC_MSG_CHECKING([whether GCC or Clang is our host compiler]) +AC_LANG_PUSH([C++]) +llvm_cv_cxx_compiler=unknown +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __clang__ + #error + #endif + ]])], + llvm_cv_cxx_compiler=clang, + [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __GNUC__ + #error + #endif + ]])], + llvm_cv_cxx_compiler=gcc, [])]) +AC_LANG_POP([C++]) +AC_MSG_RESULT([${llvm_cv_cxx_compiler}]) + +dnl Check both GCC and Clang for sufficiently modern versions. These checks can +dnl be bypassed by passing a flag if necessary on a platform. +AC_ARG_ENABLE(compiler-version-checks, + AS_HELP_STRING([--enable-compiler-version-checks], + [Check the version of the host compiler (default is YES)]),, + enableval=default) +case "$enableval" in + no) + ;; + yes|default) + AC_LANG_PUSH([C++]) + case "$llvm_cv_cxx_compiler" in + clang) + AC_MSG_CHECKING([whether Clang is new enough]) + AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +#if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 1) +#error This version of Clang is too old to build LLVM +#endif +]])], + [AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no]) + AC_MSG_ERROR([ +The selected Clang compiler is not new enough to build LLVM. Please upgrade to +Clang 3.1. You may pass --disable-compiler-version-checks to configure to +bypass these sanity checks.])]) + + dnl Note that libstdc++4.6 is known broken for C++11 builds. The errors + dnl are sometimes deeply confusing though. Here we test for an obvious + dnl incomplete feature in 4.6's standard library that was completed in + dnl 4.7's. + AC_MSG_CHECKING([whether Clang will select a modern C++ standard library]) + llvm_cv_old_cxxflags="$CXXFLAGS" + CXXFLAGS="$CXXFLAGS -std=c++0x" + AC_LINK_IFELSE([AC_LANG_SOURCE([[ +#include +std::atomic x(0.0f); +int main() { return (float)x; } +]])], + [AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no]) + AC_MSG_ERROR([ +We detected a missing feature in the standard C++ library that was known to be +missing in libstdc++4.6 and implemented in libstdc++4.7. There are numerous +C++11 problems with 4.6's library, and we don't support GCCs or libstdc++ older +than 4.7. You will need to update your system and ensure Clang uses the newer +standard library. + +If this error is incorrect or you need to force things to work, you may pass +'--disable-compiler-version-checks' to configure to bypass this test.])]) + ;; + gcc) + AC_MSG_CHECKING([whether GCC is new enough]) + AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7) +#error This version of GCC is too old to build LLVM +#endif +]])], + [AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no]) + AC_MSG_ERROR([ +The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade +to GCC 4.7. You may pass --disable-compiler-version-checks to configure to +bypass these sanity checks.])]) + ;; + unknown) + ;; + esac + AC_LANG_POP([C++]) + ;; + *) + AC_MSG_ERROR([Invalid setting for --enable-compiler-version-checks. Use "yes" or "no"]) + ;; +esac + 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. @@ -78,11 +202,6 @@ 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]) @@ -109,15 +228,8 @@ 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) ;; @@ -191,11 +303,16 @@ AC_CACHE_CHECK([type of operating system we're going to host on], llvm_cv_no_link_all_option="-Wl,-noall_load" llvm_cv_os_type="Minix" llvm_cv_platform_type="Unix" ;; - *-*-freebsd* | *-*-kfreebsd-gnu) + *-*-freebsd*) llvm_cv_link_all_option="-Wl,--whole-archive" llvm_cv_no_link_all_option="-Wl,--no-whole-archive" llvm_cv_os_type="FreeBSD" llvm_cv_platform_type="Unix" ;; + *-*-kfreebsd-gnu) + llvm_cv_link_all_option="-Wl,--whole-archive" + llvm_cv_no_link_all_option="-Wl,--no-whole-archive" + llvm_cv_os_type="GNU/kFreeBSD" + llvm_cv_platform_type="Unix" ;; *-*-openbsd*) llvm_cv_link_all_option="-Wl,--whole-archive" llvm_cv_no_link_all_option="-Wl,--no-whole-archive" @@ -286,8 +403,10 @@ AC_CACHE_CHECK([type of operating system we're going to target], llvm_cv_target_os_type="Darwin" ;; *-*-minix*) llvm_cv_target_os_type="Minix" ;; - *-*-freebsd* | *-*-kfreebsd-gnu) + *-*-freebsd*) llvm_cv_target_os_type="FreeBSD" ;; + *-*-kfreebsd-gnu) + llvm_cv_target_os_type="GNU/kFreeBSD" ;; *-*-openbsd*) llvm_cv_target_os_type="OpenBSD" ;; *-*-netbsd*) @@ -363,13 +482,14 @@ AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch], 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]) @@ -396,12 +516,13 @@ case $host in sparc*-*) host_arch="Sparc" ;; powerpc*-*) host_arch="PowerPC" ;; arm*-*) host_arch="ARM" ;; + aarch64*-*) host_arch="AArch64" ;; mips-* | mips64-*) host_arch="Mips" ;; mipsel-* | mips64el-*) host_arch="Mips" ;; xcore-*) host_arch="XCore" ;; msp430-*) host_arch="MSP430" ;; hexagon-*) host_arch="Hexagon" ;; - mblaze-*) host_arch="MBlaze" ;; + s390x-*) host_arch="SystemZ" ;; *) host_arch="Unknown" ;; esac @@ -411,9 +532,6 @@ fi AC_SUBST(HOST_ARCH,$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 "$cross_compiling" = yes; then AC_SUBST(LLVM_CROSS_COMPILING, [1]) @@ -475,6 +593,19 @@ case "$enableval" in *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;; esac +dnl --enable-fission : check whether or not to use -gsplit-dwarf on the command +dnl line +AC_ARG_ENABLE(split-dwarf, + AS_HELP_STRING([--enable-split-dwarf], + [Use split-dwarf if available (default is NO)]),, + enableval=default) +case "$enableval" in + yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;; + no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;; + default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);; + *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;; +esac + dnl --enable-clang-arcmt: check whether to enable clang arcmt clang_arcmt="yes" AC_ARG_ENABLE(clang-arcmt, @@ -498,7 +629,12 @@ AC_ARG_ENABLE(clang-static-analyzer, enableval="yes") case "$enableval" in yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;; - no) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0]) ;; + no) + if test ${clang_arcmt} != "no" ; then + AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling static analyzer.]) + fi + AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0]) + ;; default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);; *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;; esac @@ -614,12 +750,13 @@ else PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;; x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;; ARM) AC_SUBST(TARGET_HAS_JIT,1) ;; + AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;; Mips) AC_SUBST(TARGET_HAS_JIT,1) ;; XCore) AC_SUBST(TARGET_HAS_JIT,0) ;; MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;; Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;; - MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;; NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;; + SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;; *) AC_SUBST(TARGET_HAS_JIT,0) ;; esac fi @@ -674,6 +811,21 @@ case "$enableval" in *) 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], @@ -726,39 +878,57 @@ esac AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS, [Define if timestamp information (e.g., __DATE__) is allowed]) -dnl Enable embedding timestamp information into build. +dnl Enable support for showing backtraces. +AC_ARG_ENABLE(backtraces, AS_HELP_STRING( + [--enable-backtraces], + [Enable embedding backtraces on crash (default is YES)]), + [case "$enableval" in + yes) llvm_cv_enable_backtraces="yes" ;; + no) llvm_cv_enable_backtraces="no" ;; + *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;; + esac], + llvm_cv_enable_backtraces="yes") +if test "$llvm_cv_enable_backtraces" = "yes" ; then + AC_DEFINE([ENABLE_BACKTRACES],[1], + [Define if you want backtraces on crash]) +fi -AC_ARG_ENABLE(backtraces, - AS_HELP_STRING([--enable-backtraces], - [Enable embedding backtraces on crash (default is YES)]),, - enableval=default) -case "$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],$ENABLE_BACKTRACES, - [Define if you want backtraces on crash]) +dnl Enable installing platform specific signal handling overrides, for improved +dnl CrashRecovery support or interaction with crash reporting software. This +dnl support may be inappropriate for some clients embedding LLVM as a library. +AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING( + [--enable-crash-overrides], + [Enable crash handling overrides (default is YES)]), + [case "$enableval" in + yes) llvm_cv_enable_crash_overrides="yes" ;; + no) llvm_cv_enable_crash_overrides="no" ;; + *) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;; + esac], + llvm_cv_enable_crash_overrides="yes") +if test "$llvm_cv_enable_crash_overrides" = "yes" ; then + AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1], + [Define to enable crash handling overrides]) +fi dnl Allow specific targets to be specified for building (or not) TARGETS_TO_BUILD="" AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets], [Build specific host targets: all or target1,target2,... Valid targets are: - host, x86, x86_64, sparc, powerpc, arm, mips, hexagon, - xcore, msp430, nvptx, and cpp (default=all)]),, + host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon, + xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),, enableval=all) if test "$enableval" = host-only ; then enableval=host fi case "$enableval" in - all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;; + 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 $TARGETS_TO_BUILD" ;; @@ -768,20 +938,22 @@ case "$enableval" in 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" ;; + 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" ;; - 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 $a_target]) ;; @@ -1000,6 +1172,17 @@ AC_ARG_WITH(bug-report-url, AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval", [Bug report URL.]) +dnl --enable-terminfo: check whether the user wants to control use of terminfo: +AC_ARG_ENABLE(terminfo,AS_HELP_STRING( + [--enable-terminfo], + [Query the terminfo database if available (default is YES)]), + [case "$enableval" in + yes) llvm_cv_enable_terminfo="yes" ;; + no) llvm_cv_enable_terminfo="no" ;; + *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;; + esac], + llvm_cv_enable_terminfo="yes") + dnl --enable-libffi : check whether the user wants to turn off libffi: AC_ARG_ENABLE(libffi,AS_HELP_STRING( --enable-libffi,[Check for the presence of libffi (default is NO)]), @@ -1123,15 +1306,15 @@ if test "$DOTTY" != "echo dotty" ; then 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 "$XDOT_PY" != "echo xdot.py" ; then - AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available]) +AC_PATH_PROGS(XDOT, [xdot xdot.py], [echo xdot]) +if test "$XDOT" != "echo xdot" ; then + AC_DEFINE([HAVE_XDOT],[1],[Define if the xdot 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:\//' ` + XDOT=`echo $XDOT | 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]) + AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT],"$XDOT${EXEEXT}", + [Define to path to xdot program if found or 'echo xdot' otherwise]) fi dnl Find the install program @@ -1167,7 +1350,7 @@ 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. +dnl Determine whether the compiler supports the -rdynamic option. AC_LINK_EXPORT_DYNAMIC dnl Determine whether the linker supports the --version-script option. @@ -1211,10 +1394,15 @@ fi dnl Verify that GCC is version 3.0 or higher if test "$GCC" = "yes" then - AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3 -#error Unsupported GCC version -#endif -]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])]) + AC_COMPILE_IFELSE( +[ + AC_LANG_SOURCE([[ + #if !defined(__GNUC__) || __GNUC__ < 3 + #error Unsupported GCC version + #endif + ]]) +], +[], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])]) fi dnl Check for GNU Make. We use its extensions, so don't build without it @@ -1231,7 +1419,54 @@ AC_MSG_CHECKING([optional compiler flags]) CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros]) CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers]) CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default]) -AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT]) + +dnl GCC's potential uninitialized use analysis is weak and presents lots of +dnl false positives, so disable it. +NO_UNINITIALIZED= +NO_MAYBE_UNINITIALIZED= +if test "$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 -V 2>&1 | cut -d' ' -f2` +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" -gt "2" || \ + (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=== @@ -1243,6 +1478,7 @@ AC_CHECK_LIB(m,sin) if test "$llvm_cv_os_type" = "MingW" ; then AC_CHECK_LIB(imagehlp, main) AC_CHECK_LIB(psapi, main) + AC_CHECK_LIB(shell32, main) fi dnl dlopen() is required for plugin support. @@ -1250,6 +1486,19 @@ AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1], [Define if dlopen() is available on this platform.]), AC_MSG_WARN([dlopen() not found - disabling plugin support])) +dnl Search for the clock_gettime() function. Note that we rely on the POSIX +dnl macros to detect whether clock_gettime is available, this just finds the +dnl right libraries to link with. +AC_SEARCH_LIBS(clock_gettime,rt) + +dnl The curses library is optional; used for querying terminal info +if test "$llvm_cv_enable_terminfo" = "yes" ; then + dnl We need the has_color functionality in curses for it to be useful. + AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw, + AC_DEFINE([HAVE_TERMINFO],[1], + [Define if the setupterm() function is supported this platform.])) +fi + dnl libffi is optional; used to call external functions from the interpreter if test "$llvm_cv_enable_libffi" = "yes" ; then AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1], @@ -1276,6 +1525,11 @@ if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then [Have pthread_getspecific])) fi +dnl zlib is optional; used for compression/uncompression +if test "$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=], @@ -1395,13 +1649,17 @@ 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_LANG_PUSH([C++]) +AC_CHECK_HEADERS([cxxabi.h]) +AC_LANG_POP([C++]) +AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.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([utime.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([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 ]]) if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then AC_CHECK_HEADERS(pthread.h, AC_SUBST(HAVE_PTHREAD, 1), @@ -1409,6 +1667,13 @@ if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 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 @@ -1421,18 +1686,23 @@ 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.)) +[ + 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=== @@ -1458,12 +1728,14 @@ 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([mktemp posix_spawn pread realpath sbrk setrlimit ]) 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_CHECK_FUNCS([futimes futimens]) AC_C_PRINTF_A AC_FUNC_RAND48 @@ -1495,10 +1767,15 @@ fi dnl Check Win32 API EnumerateLoadedModules. if test "$llvm_cv_os_type" = "MingW" ; then AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl]) - AC_COMPILE_IFELSE([[#include -#include -extern void foo(PENUMLOADED_MODULES_CALLBACK); -extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]], + AC_COMPILE_IFELSE( +[ + AC_LANG_SOURCE([[ + #include + #include + extern void foo(PENUMLOADED_MODULES_CALLBACK); + extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID)); + ]]) +], [ AC_MSG_RESULT([yes]) llvm_cv_win32_elmcb_pcstr="PCSTR" @@ -1539,22 +1816,28 @@ dnl Since we'll be using these atomic builtins in C++ files we should test dnl the C++ compiler. AC_LANG_PUSH([C++]) AC_LINK_IFELSE( - AC_LANG_SOURCE( - [[int main() { - volatile unsigned long val = 1; - __sync_synchronize(); - __sync_val_compare_and_swap(&val, 1, 0); - __sync_add_and_fetch(&val, 1); - __sync_sub_and_fetch(&val, 1); - return 0; - } - ]]), - AC_LANG_POP([C++]) - AC_MSG_RESULT(yes) - AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics), - AC_MSG_RESULT(no) - AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics) - AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])) +[ + AC_LANG_SOURCE([[ + int main() { + volatile unsigned long val = 1; + __sync_synchronize(); + __sync_val_compare_and_swap(&val, 1, 0); + __sync_add_and_fetch(&val, 1); + __sync_sub_and_fetch(&val, 1); + return 0; + } + ]]) +], +[ + AC_MSG_RESULT([yes]) + AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics]) +], +[ + AC_MSG_RESULT([no]) + AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics]) + AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]) +]) +AC_LANG_POP([C++]) dnl===-----------------------------------------------------------------------=== dnl=== @@ -1591,7 +1874,6 @@ if test "${prefix}" = "NONE" ; then 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"; @@ -1601,7 +1883,6 @@ eval LLVM_MANDIR="${prefix}/man"; LLVM_CONFIGTIME=`date` AC_SUBST(LLVM_PREFIX) AC_SUBST(LLVM_BINDIR) -AC_SUBST(LLVM_LIBDIR) AC_SUBST(LLVM_DATADIR) AC_SUBST(LLVM_DOCSDIR) AC_SUBST(LLVM_ETCDIR) @@ -1621,8 +1902,6 @@ AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$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", @@ -1637,7 +1916,7 @@ AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", [Installation directory for man pages]) AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", [Time at which LLVM was configured]) -AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host", +AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$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]) @@ -1682,7 +1961,7 @@ for a_binding in $BINDINGS_TO_BUILD ; do AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib) else # ocaml stdlib is outside our prefix; use libdir/ocaml - AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml) + AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml) fi fi ;; @@ -1705,7 +1984,7 @@ AC_SUBST(RPATH) dnl Determine linker rdynamic flag if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then - RDYNAMIC="-Wl,-export-dynamic" + RDYNAMIC="-rdynamic" else RDYNAMIC="" fi @@ -1768,7 +2047,6 @@ 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)