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_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API])
-AC_DEFINE([LLVM_VERSION_MINOR], [3], [Minor version of the LLVM API])
+
+AC_INIT([LLVM],[3.7.0svn],[http://llvm.org/bugs/])
+
+LLVM_VERSION_MAJOR=3
+LLVM_VERSION_MINOR=7
+LLVM_VERSION_PATCH=0
+LLVM_VERSION_SUFFIX=svn
+
+AC_DEFINE_UNQUOTED([LLVM_VERSION_MAJOR], $LLVM_VERSION_MAJOR, [Major version of the LLVM API])
+AC_DEFINE_UNQUOTED([LLVM_VERSION_MINOR], $LLVM_VERSION_MINOR, [Minor version of the LLVM API])
+AC_DEFINE_UNQUOTED([LLVM_VERSION_PATCH], $LLVM_VERSION_PATCH, [Patch version of the LLVM API])
+AC_DEFINE_UNQUOTED([LLVM_VERSION_STRING], "$PACKAGE_VERSION", [LLVM version string])
+
+AC_SUBST([LLVM_VERSION_MAJOR])
+AC_SUBST([LLVM_VERSION_MINOR])
+AC_SUBST([LLVM_VERSION_PATCH])
+AC_SUBST([LLVM_VERSION_SUFFIX])
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.])
+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)
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 <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 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 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 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])
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_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"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="DragonFly"
llvm_cv_platform_type="Unix" ;;
+ *-*-bitrig*)
+ llvm_cv_link_all_option="-Wl,--whole-archive"
+ llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
+ llvm_cv_os_type="Bitrig"
+ 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_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_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*)
llvm_cv_target_os_type="NetBSD" ;;
*-*-dragonfly*)
llvm_cv_target_os_type="DragonFly" ;;
+ *-*-bitrig*)
+ llvm_cv_target_os_type="Bitrig" ;;
*-*-hpux*)
llvm_cv_target_os_type="HP-UX" ;;
*-*-interix*)
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="NativeClient" ;;
*-unknown-eabi*)
llvm_cv_target_os_type="Freestanding" ;;
+ *-*-ps4)
+ llvm_cv_target_os_type="PS4" ;;
*)
llvm_cv_target_os_type="Unknown" ;;
esac])
amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
sparc*-*) llvm_cv_target_arch="Sparc" ;;
powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
+ arm64*-*) llvm_cv_target_arch="AArch64" ;;
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])
dnl Define a substitution, ARCH, for the target architecture
AC_SUBST(ARCH,$llvm_cv_target_arch)
+AC_SUBST(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCH)
dnl Determine what our host architecture.
dnl This will allow MCJIT regress tests runs only for supported
amd64-* | x86_64-*) host_arch="x86_64" ;;
sparc*-*) host_arch="Sparc" ;;
powerpc*-*) host_arch="PowerPC" ;;
+ arm64*-*) host_arch="AArch64" ;;
arm*-*) host_arch="ARM" ;;
+ aarch64*-*) host_arch="AArch64" ;;
mips-* | mips64-*) host_arch="Mips" ;;
mipsel-* | mips64el-*) host_arch="Mips" ;;
xcore-*) host_arch="XCore" ;;
msp430-*) host_arch="MSP430" ;;
hexagon-*) host_arch="Hexagon" ;;
- mblaze-*) host_arch="MBlaze" ;;
+ s390x-*) host_arch="SystemZ" ;;
*) host_arch="Unknown" ;;
esac
AC_SUBST(HOST_ARCH,$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 "$cross_compiling" = yes; then
AC_SUBST(LLVM_CROSS_COMPILING, [1])
*) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
esac
-dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
-AC_ARG_ENABLE(cxx11,
- AS_HELP_STRING([--enable-cxx11],
- [Use c++11 if available (default is NO)]),,
+dnl Check both GCC and Clang for sufficiently modern versions. These checks can
+dnl be bypassed by passing a flag if necessary on a platform. We have to do
+dnl these checks here so that we have the configuration of the standard C++
+dnl library finished.
+AC_ARG_ENABLE(compiler-version-checks,
+ AS_HELP_STRING([--enable-compiler-version-checks],
+ [Check the version of the host compiler (default is YES)]),,
+ enableval=default)
+case "$enableval" in
+ no)
+ ;;
+ yes|default)
+ AC_LANG_PUSH([C++])
+ case "$llvm_cv_cxx_compiler" in
+ clang)
+ AC_MSG_CHECKING([whether Clang is new enough])
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 1)
+#error This version of Clang is too old to build LLVM
+#endif
+]])],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ AC_MSG_ERROR([
+The selected Clang compiler is not new enough to build LLVM. Please upgrade to
+Clang 3.1. You may pass --disable-compiler-version-checks to configure to
+bypass these sanity checks.])])
+
+ dnl Note that libstdc++4.6 is known broken for C++11 builds. The errors
+ dnl are sometimes deeply confusing though. Here we test for an obvious
+ dnl incomplete feature in 4.6's standard library that was completed in
+ dnl 4.7's. We also have to disable this test if 'ENABLE_LIBCPP' is set
+ dnl because the enable flags don't actually fix CXXFLAGS, they rely on
+ dnl that happening in the Makefile.
+ if test "$ENABLE_LIBCPP" -eq 0 ; then
+ 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 <atomic>
+std::atomic<float> 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.])])
+ CXXFLAGS="$llvm_cv_old_cxxflags"
+ fi
+ ;;
+ gcc)
+ AC_MSG_CHECKING([whether GCC is new enough])
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
+#error This version of GCC is too old to build LLVM
+#endif
+]])],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ AC_MSG_ERROR([
+The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade
+to GCC 4.7. You may pass --disable-compiler-version-checks to configure to
+bypass these sanity checks.])])
+ ;;
+ unknown)
+ ;;
+ esac
+ AC_LANG_POP([C++])
+ ;;
+ *)
+ AC_MSG_ERROR([Invalid setting for --enable-compiler-version-checks. Use "yes" or "no"])
+ ;;
+esac
+
+dnl --enable-cxx1y : check whether or not to use -std=c++1y on the command line
+AC_ARG_ENABLE(cxx1y,
+ AS_HELP_STRING([--enable-cxx1y],
+ [Use c++1y if available (default is NO)]),,
+ enableval=default)
+case "$enableval" in
+ yes) AC_SUBST(ENABLE_CXX1Y,[1]) ;;
+ no) AC_SUBST(ENABLE_CXX1Y,[0]) ;;
+ default) AC_SUBST(ENABLE_CXX1Y,[0]);;
+ *) AC_MSG_ERROR([Invalid setting for --enable-cxx1y. Use "yes" or "no"]) ;;
+esac
+
+dnl --enable-split-dwarf : 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 "$enableval" in
- yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
- no) AC_SUBST(ENABLE_CXX11,[0]) ;;
- default) AC_SUBST(ENABLE_CXX11,[0]);;
- *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
+ yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;;
+ no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;;
+ default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);;
+ *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;;
esac
dnl --enable-clang-arcmt: check whether to enable clang arcmt
*) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
esac
+dnl --enable-clang-plugin-support: check whether to enable plugins in clang
+clang_plugin_support="yes"
+AC_ARG_ENABLE(clang-plugin-support,
+ AS_HELP_STRING([--enable-clang-plugin-support],
+ [Enable plugin support in clang (default is YES)]),
+ clang_plugin_support="$enableval",
+ enableval="yes")
+case "$enableval" in
+ yes) AC_SUBST(CLANG_PLUGIN_SUPPORT,[1]) ;;
+ no) AC_SUBST(CLANG_PLUGIN_SUPPORT,[0]) ;;
+ default) AC_SUBST(CLANG_PLUGIN_SUPPORT,[1]);;
+ *) AC_MSG_ERROR([Invalid setting for --enable-clang-plugin-support. Use "yes" or "no"]) ;;
+esac
+
dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
clang_static_analyzer="yes"
AC_ARG_ENABLE(clang-static-analyzer,
enableval="yes")
case "$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)
+ no)
if test ${clang_arcmt} != "no" ; then
- AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
- fi
- if test ${clang_static_analyzer} != "no" ; then
- AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
+ AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling static analyzer.])
fi
- AC_SUBST(ENABLE_CLANG_REWRITER,[0])
+ AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0])
;;
- default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
- *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
+ default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
+ *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
esac
dnl --enable-optimized : check whether they want to do an optimized build:
XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
- MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
+ SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
*) AC_SUBST(TARGET_HAS_JIT,0) ;;
esac
fi
+TARGETS_WITH_JIT="ARM AArch64 Mips PowerPC SystemZ X86"
+AC_SUBST(TARGETS_WITH_JIT,$TARGETS_WITH_JIT)
+
dnl Allow enablement of building and installing docs
AC_ARG_ENABLE(docs,
AS_HELP_STRING([--enable-docs],
*) 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],
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 "$llvm_cv_enable_crash_overrides" = "yes" ; then
+ AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1],
+ [Define to enable crash handling overrides])
+fi
+
+dnl List all possible targets
+ALL_TARGETS="X86 Sparc PowerPC ARM AArch64 Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600"
+AC_SUBST(ALL_TARGETS,$ALL_TARGETS)
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, arm64, 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="$ALL_TARGETS" ;;
*)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" ;;
+ arm64) 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" ;;
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 $a_target]) ;;
AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$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 "$enableval" in
+ yes) llvm_cv_enable_terminfo="yes" ;;
+ no) llvm_cv_enable_terminfo="no" ;;
+ *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
+ esac],
+ llvm_cv_enable_terminfo="yes")
+case "$llvm_cv_enable_terminfo" in
+ yes) AC_SUBST(ENABLE_TERMINFO,[1]) ;;
+ no) AC_SUBST(ENABLE_TERMINFO,[0]) ;;
+esac
+
+dnl --enable-libedit: check whether the user wants to turn off libedit.
+AC_ARG_ENABLE(libedit,AS_HELP_STRING(
+ [--enable-libedit],
+ [Use libedit if available (default is YES)]),
+ [case "$enableval" in
+ yes) llvm_cv_enable_libedit="yes" ;;
+ no) llvm_cv_enable_libedit="no" ;;
+ *) AC_MSG_ERROR([Invalid setting for --enable-libedit. Use "yes" or "no"]) ;;
+ esac],
+ llvm_cv_enable_libedit="yes")
+
dnl --enable-libffi : check whether the user wants to turn off libffi:
AC_ARG_ENABLE(libffi,AS_HELP_STRING(
--enable-libffi,[Check for the presence of libffi (default is NO)]),
dnl===
dnl===-----------------------------------------------------------------------===
-AC_PROG_NM
-AC_SUBST(NM)
-
dnl Check for the tools that the makefiles require
AC_CHECK_GNU_MAKE
AC_PROG_LN_S
+AC_PATH_PROG(NM, [nm], [nm])
AC_PATH_PROG(CMP, [cmp], [cmp])
AC_PATH_PROG(CP, [cp], [cp])
AC_PATH_PROG(DATE, [date], [date])
AC_PATH_PROG(BINPWD,[pwd], [pwd])
dnl Looking for misc. graph plotting software
-AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
-if test "$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 "$DOT" != "echo dot" ; then
AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$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
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_PROG(GO, [go])
+AC_PATH_PROGS(OCAMLFIND, [ocamlfind])
AC_PATH_PROGS(GAS, [gas as])
dnl Get the version of the linker in use.
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.
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_CHECK_HEADERS([errno.h])
+
+case "$llvm_cv_os_type" in
+ Cygwin|MingW|Win32) llvm_shlib_ext=.dll ;;
+ Darwin) llvm_shlib_ext=.dylib ;;
+ *) llvm_shlib_ext=.so ;;
+esac
+
+AC_DEFINE_UNQUOTED([LTDL_SHLIB_EXT], ["$llvm_shlib_ext"], [The shared library extension])
AC_MSG_CHECKING([tool compatibility])
dnl Verify that GCC is version 3.0 or higher
if test "$GCC" = "yes"
then
- AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
-#error Unsupported GCC version
-#endif
-]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
+ AC_COMPILE_IFELSE(
+[
+ AC_LANG_SOURCE([[
+ #if !defined(__GNUC__) || __GNUC__ < 3
+ #error Unsupported GCC version
+ #endif
+ ]])
+],
+[], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
fi
dnl Check for GNU Make. We use its extensions, so don't build without it
CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
-AC_MSG_RESULT([$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 "$NO_MAYBE_UNINITIALIZED"
+ then
+ CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
+ fi
+fi
+
+dnl Check for misbehaving -Wcomment (gcc-4.7 has this) and maybe add
+dnl -Wno-comment to the flags.
+no_comment=
+llvm_cv_old_cxxflags="$CXXFLAGS"
+CXXFLAGS="$CXXFLAGS -Wcomment -Werror"
+AC_COMPILE_IFELSE(
+[
+ AC_LANG_SOURCE([[// Comment \o\
+// Another comment
+int main() { return 0; }
+ ]])
+],
+[
+ no_comment=-Wno-comment
+],
+[])
+AC_SUBST(NO_COMMENT, [$no_comment])
+CXXFLAGS="$llvm_cv_old_cxxflags"
+
+AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED $NO_COMMENT])
+
+AC_ARG_WITH([python],
+ [AS_HELP_STRING([--with-python], [path to python])],
+ [PYTHON="$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 ($PYTHON) is not usable, searching path])
+ fi
+
+ AC_PATH_PROG([PYTHON], [python python2 python27],
+ [AC_MSG_RESULT([not found])
+ AC_MSG_ERROR([could not find python 2.7 or higher])])
+fi
+
+AC_MSG_CHECKING([for python >= 2.7])
+ac_python_version=`$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 "7") ; then
+ AC_MSG_RESULT([$PYTHON ($ac_python_version)])
+else
+ AC_MSG_RESULT([not found])
+ AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.7])
+fi
dnl===-----------------------------------------------------------------------===
dnl===
if test "$llvm_cv_os_type" = "MingW" ; then
AC_CHECK_LIB(imagehlp, main)
AC_CHECK_LIB(psapi, main)
+ AC_CHECK_LIB(shell32, main)
fi
dnl dlopen() is required for plugin support.
-AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
+AC_SEARCH_LIBS(dlopen,dl,LLVM_DEFINE_SUBST([HAVE_DLOPEN],[1],
[Define if dlopen() is available on this platform.]),
AC_MSG_WARN([dlopen() not found - disabling plugin support]))
-dnl clock_gettime() is required for modern timing support.
-AC_SEARCH_LIBS(clock_gettime,rt,[],
- AC_MSG_ERROR([clock_gettime not found and is required for modern POSIX timing uspport]))
+dnl Search for the clock_gettime() function. Note that we rely on the POSIX
+dnl macros to detect whether clock_gettime is available, this just finds the
+dnl right libraries to link with.
+AC_SEARCH_LIBS(clock_gettime,rt)
+
+dnl The curses library is optional; used for querying terminal info
+if test "$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,
+ LLVM_DEFINE_SUBST([HAVE_TERMINFO],[1],
+ [Define if the setupterm() function is supported this platform.]))
+fi
+
+dnl The libedit library is optional; used by lib/LineEditor
+if test "$llvm_cv_enable_libedit" = "yes" ; then
+ AC_SEARCH_LIBS(el_init,edit,
+ AC_DEFINE([HAVE_LIBEDIT],[1],
+ [Define if libedit is available on this platform.]))
+fi
dnl libffi is optional; used to call external functions from the interpreter
if test "$llvm_cv_enable_libffi" = "yes" ; then
[Have pthread_getspecific]))
fi
-dnl Allow extra x86-disassembler library
-AC_ARG_WITH(udis86,
- AS_HELP_STRING([--with-udis86=<path>],
- [Use udis86 external x86 disassembler library]),
- [
- AC_SUBST(USE_UDIS86, [1])
- case "$withval" in
- /usr/lib|yes) ;;
- *) LDFLAGS="$LDFLAGS -L${withval}" ;;
- esac
- AC_CHECK_LIB(udis86, ud_init, [], [
- echo "Error! You need to have libudis86 around."
- exit -1
- ])
- ],
- AC_SUBST(USE_UDIS86, [0]))
-AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
- [Define if use udis86 library])
+dnl zlib is optional; used for compression/uncompression
+if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
+ AC_CHECK_LIB(z, compress2)
+fi
dnl Allow OProfile support for JIT output.
AC_ARG_WITH(oprofile,
AC_SEARCH_LIBS(bfd_init, bfd, [], [])
AC_SEARCH_LIBS(op_open_agent, opagent, [], [
echo "Error! You need to have libopagent around."
- exit -1
+ exit 1
])
AC_CHECK_HEADER([opagent.h], [], [
echo "Error! You need to have opagent.h around."
- exit -1
+ exit 1
])
fi ;;
*)
AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
- esac
+ esac
],
[
AC_SUBST(USE_OPROFILE, [0])
AC_HEADER_SYS_WAIT
AC_HEADER_TIME
-AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
+AC_LANG_PUSH([C++])
+dnl size_t must be defined before including cxxabi.h on FreeBSD 10.0.
+AC_CHECK_HEADERS([cxxabi.h], [], [],
+[#include <stddef.h>
+])
+AC_LANG_POP([C++])
+
+AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
-AC_CHECK_HEADERS([utime.h windows.h])
+AC_CHECK_HEADERS([utime.h])
AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
-AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
+AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
AC_CHECK_HEADERS([valgrind/valgrind.h])
AC_CHECK_HEADERS([fenv.h])
+AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
AC_CHECK_HEADERS(pthread.h,
AC_SUBST(HAVE_PTHREAD, 1),
else
AC_SUBST(HAVE_PTHREAD, 0)
fi
+if test "$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
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===
dnl===
dnl===-----------------------------------------------------------------------===
-AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
-AC_CHECK_FUNCS([powf fmodf strtof round ])
+AC_CHECK_FUNCS([backtrace getcwd ])
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([mktemp posix_spawn pread realpath sbrk setrlimit ])
+AC_CHECK_FUNCS([strerror strerror_r setenv ])
AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
+AC_CHECK_FUNCS([futimes futimens])
AC_C_PRINTF_A
AC_FUNC_RAND48
+dnl Check for arc4random accessible via AC_INCLUDES_DEFAULT.
+AC_CHECK_DECLS([arc4random])
+
dnl Check the declaration "Secure API" on Windows environments.
AC_CHECK_DECLS([strerror_s])
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_ms,AC_DEFINE([HAVE___CHKSTK_MS],[1],[Have host's __chkstk_ms]))
AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
+ AC_CHECK_LIB(gcc,___chkstk_ms,AC_DEFINE([HAVE____CHKSTK_MS],[1],[Have host's ___chkstk_ms]))
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]))
dnl Check Win32 API EnumerateLoadedModules.
if test "$llvm_cv_os_type" = "MingW" ; then
AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
- AC_COMPILE_IFELSE([[#include <windows.h>
-#include <imagehlp.h>
-extern void foo(PENUMLOADED_MODULES_CALLBACK);
-extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
+ AC_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_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
fi
-dnl Check for variations in the Standard C++ library and STL. These macros are
-dnl provided by LLVM in the autoconf/m4 directory.
-AC_FUNC_ISNAN
-AC_FUNC_ISINF
-
dnl Check for mmap support.We also need to know if /dev/zero is required to
dnl be opened for allocating RWX memory.
dnl Make sure we aren't attempting to configure for an unknown system
dnl the C++ compiler.
AC_LANG_PUSH([C++])
AC_LINK_IFELSE(
- AC_LANG_SOURCE(
- [[int main() {
- volatile unsigned long val = 1;
- __sync_synchronize();
- __sync_val_compare_and_swap(&val, 1, 0);
- __sync_add_and_fetch(&val, 1);
- __sync_sub_and_fetch(&val, 1);
- return 0;
- }
- ]]),
- AC_LANG_POP([C++])
- AC_MSG_RESULT(yes)
- AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
- AC_MSG_RESULT(no)
- AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
- AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
+[
+ AC_LANG_SOURCE([[
+ int main() {
+ volatile unsigned long val = 1;
+ __sync_synchronize();
+ __sync_val_compare_and_swap(&val, 1, 0);
+ __sync_add_and_fetch(&val, 1);
+ __sync_sub_and_fetch(&val, 1);
+ return 0;
+ }
+ ]])
+],
+[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
+],
+[
+ AC_MSG_RESULT([no])
+ AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
+ AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
+])
+AC_LANG_POP([C++])
dnl===-----------------------------------------------------------------------===
dnl===
dnl Propagate the shared library extension that the libltdl checks did to
dnl the Makefiles so we can use it there too
-AC_SUBST(SHLIBEXT,$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,$libltdl_cv_shlibpath_var)
+AC_SUBST(SHLIBEXT,$llvm_shlib_ext)
dnl Translate the various configuration directories and other basic
dnl information into substitutions that will end up in Makefile.config.in
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";
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)
[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 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])
dnl Determine which bindings to build.
if test "$BINDINGS_TO_BUILD" = auto ; then
BINDINGS_TO_BUILD=""
- if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
+ if test "x$OCAMLFIND" != x ; then
BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
fi
+ if test "x$GO" != x ; then
+ if $GO run ${srcdir}/bindings/go/conftest.go ; then
+ BINDINGS_TO_BUILD="go $BINDINGS_TO_BUILD"
+ fi
+ fi
fi
AC_SUBST(BINDINGS_TO_BUILD,$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$OCAMLC" = x ; then
- AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
+ if test "x$OCAMLFIND" = x ; then
+ AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlfind not found. Try configure OCAMLFIND=/path/to/ocamlfind])
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])
+
+ if $OCAMLFIND opt -version >/dev/null 2>/dev/null ; then
+ HAVE_OCAMLOPT=1
+ else
+ HAVE_OCAMLOPT=0
+ fi
+ AC_SUBST(HAVE_OCAMLOPT)
+
+ if ! $OCAMLFIND query ctypes >/dev/null 2>/dev/null; then
+ AC_MSG_WARN([--enable-bindings=ocaml specified, but ctypes is not installed])
binding_prereqs_failed=1
fi
- if test "x$OCAMLOPT" = x ; then
- AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
- dnl ocamlopt is optional!
+
+ if $OCAMLFIND query oUnit >/dev/null 2>/dev/null; then
+ HAVE_OCAML_OUNIT=1
+ else
+ HAVE_OCAML_OUNIT=0
+ AC_MSG_WARN([--enable-bindings=ocaml specified, but OUnit 2 is not installed. Tests will not run])
+ dnl oUnit is optional!
fi
+ AC_SUBST(HAVE_OCAML_OUNIT)
+
if test "x$with_ocaml_libdir" != xauto ; then
AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
else
- ocaml_stdlib="`"$OCAMLC" -where`"
+ ocaml_stdlib="`"$OCAMLFIND" ocamlc -where`"
if test "$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,$LLVM_LIBDIR/ocaml)
+ AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
+ fi
+ fi
+ ;;
+ go)
+ if test "x$GO" = x ; then
+ AC_MSG_WARN([--enable-bindings=go specified, but go not found. Try configure GO=/path/to/go])
+ binding_prereqs_failed=1
+ else
+ if $GO run ${srcdir}/bindings/go/conftest.go ; then
+ :
+ else
+ AC_MSG_WARN([--enable-bindings=go specified, but need at least Go 1.2. Try configure GO=/path/to/go])
+ binding_prereqs_failed=1
fi
fi
;;
dnl Determine linker rdynamic flag
if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
- RDYNAMIC="-Wl,-export-dynamic"
+ RDYNAMIC="-rdynamic"
else
RDYNAMIC=""
fi
clang_src_root="$srcdir/tools/clang"
fi
if test -f ${clang_src_root}/README.txt; then
+ dnl Clang supports build systems which use the multilib libdir suffix.
+ dnl The autoconf system doesn't support this so stub out that variable.
+ AC_DEFINE_UNQUOTED(CLANG_LIBDIR_SUFFIX,"",
+ [Multilib suffix for libdir.])
+
dnl Use variables to stay under 80 columns.
configh="include/clang/Config/config.h"
doxy="docs/doxygen.cfg"
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)