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configure.ac
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dnl **************************************************************************
dnl * Initialize
dnl **************************************************************************
AC_INIT([[[SAMPLE]]],[[[x.xx]]],[bugs@yourdomain])
dnl Identify where LLVM source tree is
LLVM_SRC_ROOT="../.."
LLVM_OBJ_ROOT="../.."
dnl Find absolute paths to LLVM source and object trees
LLVM_ABS_SRC_ROOT="`cd $srcdir ; cd $LLVM_SRC_ROOT ; pwd`"
LLVM_ABS_OBJ_ROOT="`cd $LLVM_OBJ_ROOT ; pwd`"
dnl Tell autoconf that this is an LLVM project being configured
dnl This provides the --with-llvmsrc and --with-llvmobj options
LLVM_CONFIG_PROJECT($LLVM_ABS_SRC_ROOT,$LLVM_ABS_OBJ_ROOT)
dnl Try and find an llvm-config in the build directory. We are only using this
dnl to detect the package level LLVM information (currently just the version),
dnl so we just whatever one we find regardless of build mode.
AC_MSG_CHECKING([llvm-config])
llvm_config_path="`ls -1 $llvm_obj/*/bin/llvm-config 2> /dev/null | head -1`"
if ! test -f "$llvm_config_path" ; then
llvm_config_path="no"
fi
AC_MSG_RESULT([$llvm_config_path])
dnl Determine the LLVM version, which may be required by the current Makefile
dnl rules.
AC_MSG_CHECKING([LLVM package version])
if test "$llvm_config_path" != no ; then
llvm_package_version=`$llvm_config_path --version`
else
llvm_package_version="unknown";
fi
AC_MSG_RESULT([$llvm_package_version])
AC_SUBST(LLVM_VERSION, [$llvm_package_version])
dnl Verify that the source directory is valid
AC_CONFIG_SRCDIR(["Makefile.common.in"])
dnl Place all of the extra autoconf files into the config subdirectory. Tell
dnl various tools where the m4 autoconf macros are.
AC_CONFIG_AUX_DIR([autoconf])
dnl **************************************************************************
dnl Begin LLVM configure.ac Import
dnl **************************************************************************
dnl
dnl Derived from LLVM's configure.ac. This was imported directly here so that we
dnl could reuse LLVM's build infrastructure without introducing a direct source
dnl dependency on the LLVM files.
dnl We need to check for the compiler up here to avoid anything else
dnl starting with a different one.
AC_PROG_CC(clang llvm-gcc gcc)
AC_PROG_CXX(clang++ llvm-g++ g++)
AC_PROG_CPP
dnl Configure all of the projects present in our source tree. While we could
dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
dnl Instead we match on the known projects.
dnl
dnl One tricky part of doing this is that some projects depend upon other
dnl projects. For example, several projects rely upon the LLVM test suite.
dnl We want to configure those projects first so that their object trees are
dnl created before running the configure scripts of projects that depend upon
dnl them.
dnl
dnl Disable the build of polly, even if it is checked out into tools/polly.
AC_ARG_ENABLE(polly,
AS_HELP_STRING([--enable-polly],
[Use polly if available (default is YES)]),,
enableval=default)
case "$enableval" in
yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
no) AC_SUBST(ENABLE_POLLY,[0]) ;;
default) AC_SUBST(ENABLE_POLLY,[1]) ;;
*) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
esac
dnl Check if polly is checked out into tools/polly and configure it if
dnl available.
if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
AC_SUBST(LLVM_HAS_POLLY,1)
AC_CONFIG_SUBDIRS([tools/polly])
fi
dnl===-----------------------------------------------------------------------===
dnl===
dnl=== SECTION 2: Architecture, target, and host checks
dnl===
dnl===-----------------------------------------------------------------------===
dnl Check the target for which we're compiling and the host that will do the
dnl compilations. This will tell us which LLVM compiler will be used for
dnl compiling SSA into object code. This needs to be done early because
dnl following tests depend on it.
AC_CANONICAL_TARGET
dnl Determine the platform type and cache its value. This helps us configure
dnl the System library to the correct build platform.
AC_CACHE_CHECK([type of operating system we're going to host on],
[llvm_cv_os_type],
[case $host in
*-*-aix*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="AIX"
llvm_cv_platform_type="Unix" ;;
*-*-irix*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="IRIX"
llvm_cv_platform_type="Unix" ;;
*-*-cygwin*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="Cygwin"
llvm_cv_platform_type="Unix" ;;
*-*-darwin*)
llvm_cv_link_all_option="-Wl,-all_load"
llvm_cv_no_link_all_option="-Wl,-noall_load"
llvm_cv_os_type="Darwin"
llvm_cv_platform_type="Unix" ;;
*-*-minix*)
llvm_cv_link_all_option="-Wl,-all_load"
llvm_cv_no_link_all_option="-Wl,-noall_load"
llvm_cv_os_type="Minix"
llvm_cv_platform_type="Unix" ;;
*-*-freebsd* | *-*-kfreebsd-gnu)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="FreeBSD"
llvm_cv_platform_type="Unix" ;;
*-*-openbsd*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="OpenBSD"
llvm_cv_platform_type="Unix" ;;
*-*-netbsd*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="NetBSD"
llvm_cv_platform_type="Unix" ;;
*-*-dragonfly*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="DragonFly"
llvm_cv_platform_type="Unix" ;;
*-*-hpux*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="HP-UX"
llvm_cv_platform_type="Unix" ;;
*-*-interix*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="Interix"
llvm_cv_platform_type="Unix" ;;
*-*-linux*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="Linux"
llvm_cv_platform_type="Unix" ;;
*-*-gnu*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="GNU"
llvm_cv_platform_type="Unix" ;;
*-*-solaris*)
llvm_cv_link_all_option="-Wl,-z,allextract"
llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
llvm_cv_os_type="SunOS"
llvm_cv_platform_type="Unix" ;;
*-*-auroraux*)
llvm_cv_link_all_option="-Wl,-z,allextract"
llvm_cv_link_all_option="-Wl,-z,defaultextract"
llvm_cv_os_type="AuroraUX"
llvm_cv_platform_type="Unix" ;;
*-*-win32*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="Win32"
llvm_cv_platform_type="Win32" ;;
*-*-mingw*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="MingW"
llvm_cv_platform_type="Win32" ;;
*-*-haiku*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="Haiku"
llvm_cv_platform_type="Unix" ;;
*-unknown-eabi*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="Freestanding"
llvm_cv_platform_type="Unix" ;;
*-unknown-elf*)
llvm_cv_link_all_option="-Wl,--whole-archive"
llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
llvm_cv_os_type="Freestanding"
llvm_cv_platform_type="Unix" ;;
*)
llvm_cv_link_all_option=""
llvm_cv_no_link_all_option=""
llvm_cv_os_type="Unknown"
llvm_cv_platform_type="Unknown" ;;
esac])
AC_CACHE_CHECK([type of operating system we're going to target],
[llvm_cv_target_os_type],
[case $target in
*-*-aix*)
llvm_cv_target_os_type="AIX" ;;
*-*-irix*)
llvm_cv_target_os_type="IRIX" ;;
*-*-cygwin*)
llvm_cv_target_os_type="Cygwin" ;;
*-*-darwin*)
llvm_cv_target_os_type="Darwin" ;;
*-*-minix*)
llvm_cv_target_os_type="Minix" ;;
*-*-freebsd* | *-*-kfreebsd-gnu)
llvm_cv_target_os_type="FreeBSD" ;;
*-*-openbsd*)
llvm_cv_target_os_type="OpenBSD" ;;
*-*-netbsd*)
llvm_cv_target_os_type="NetBSD" ;;
*-*-dragonfly*)
llvm_cv_target_os_type="DragonFly" ;;
*-*-hpux*)
llvm_cv_target_os_type="HP-UX" ;;
*-*-interix*)
llvm_cv_target_os_type="Interix" ;;
*-*-linux*)
llvm_cv_target_os_type="Linux" ;;
*-*-gnu*)
llvm_cv_target_os_type="GNU" ;;
*-*-solaris*)
llvm_cv_target_os_type="SunOS" ;;
*-*-auroraux*)
llvm_cv_target_os_type="AuroraUX" ;;
*-*-win32*)
llvm_cv_target_os_type="Win32" ;;
*-*-mingw*)
llvm_cv_target_os_type="MingW" ;;
*-*-haiku*)
llvm_cv_target_os_type="Haiku" ;;
*-*-rtems*)
llvm_cv_target_os_type="RTEMS" ;;
*-*-nacl*)
llvm_cv_target_os_type="NativeClient" ;;
*-unknown-eabi*)
llvm_cv_target_os_type="Freestanding" ;;
*)
llvm_cv_target_os_type="Unknown" ;;
esac])
dnl Make sure we aren't attempting to configure for an unknown system
if test "$llvm_cv_os_type" = "Unknown" ; then
AC_MSG_ERROR([Operating system is unknown, configure can't continue])
fi
dnl Set the "OS" Makefile variable based on the platform type so the
dnl makefile can configure itself to specific build hosts
AC_SUBST(OS,$llvm_cv_os_type)
AC_SUBST(HOST_OS,$llvm_cv_os_type)
AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
AC_SUBST(LINKALL,$llvm_cv_link_all_option)
AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
dnl This is used by lib/Support to determine the basic kind of implementation
dnl to use.
case $llvm_cv_platform_type in
Unix)
AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
AC_SUBST(LLVM_ON_UNIX,[1])
AC_SUBST(LLVM_ON_WIN32,[0])
;;
Win32)
AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
AC_SUBST(LLVM_ON_UNIX,[0])
AC_SUBST(LLVM_ON_WIN32,[1])
;;
esac
dnl Determine what our target architecture is and configure accordingly.
dnl This will allow Makefiles to make a distinction between the hardware and
dnl the OS.
AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
[case $target in
i?86-*) llvm_cv_target_arch="x86" ;;
amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
sparc*-*) llvm_cv_target_arch="Sparc" ;;
powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
arm*-*) llvm_cv_target_arch="ARM" ;;
aarch64*-*) llvm_cv_target_arch="AArch64" ;;
mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
xcore-*) llvm_cv_target_arch="XCore" ;;
msp430-*) llvm_cv_target_arch="MSP430" ;;
hexagon-*) llvm_cv_target_arch="Hexagon" ;;
nvptx-*) llvm_cv_target_arch="NVPTX" ;;
s390x-*) llvm_cv_target_arch="SystemZ" ;;
*) llvm_cv_target_arch="Unknown" ;;
esac])
if test "$llvm_cv_target_arch" = "Unknown" ; then
AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
fi
# Determine the LLVM native architecture for the target
case "$llvm_cv_target_arch" in
x86) LLVM_NATIVE_ARCH="X86" ;;
x86_64) LLVM_NATIVE_ARCH="X86" ;;
*) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
esac
dnl Define a substitution, ARCH, for the target architecture
AC_SUBST(ARCH,$llvm_cv_target_arch)
dnl Check for the endianness of the target
AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
dnl Check for build platform executable suffix if we're crosscompiling
if test "$cross_compiling" = yes; then
AC_SUBST(LLVM_CROSS_COMPILING, [1])
AC_BUILD_EXEEXT
ac_build_prefix=${build_alias}-
AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
if test -z "$BUILD_CXX"; then
AC_CHECK_PROG(BUILD_CXX, g++, g++)
if test -z "$BUILD_CXX"; then
AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
fi
fi
else
AC_SUBST(LLVM_CROSS_COMPILING, [0])
fi
dnl Check to see if there's a .svn or .git directory indicating that this
dnl build is being done from a checkout. This sets up several defaults for
dnl the command line switches. When we build with a checkout directory,
dnl we get a debug with assertions turned on. Without, we assume a source
dnl release and we get an optimized build without assertions.
dnl See --enable-optimized and --enable-assertions below
if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
cvsbuild="yes"
optimize="no"
AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
else
cvsbuild="no"
optimize="yes"
fi
dnl===-----------------------------------------------------------------------===
dnl===
dnl=== SECTION 3: Command line arguments for the configure script.
dnl===
dnl===-----------------------------------------------------------------------===
dnl --enable-libcpp : check whether or not to use libc++ on the command line
AC_ARG_ENABLE(libcpp,
AS_HELP_STRING([--enable-libcpp],
[Use libc++ if available (default is NO)]),,
enableval=default)
case "$enableval" in
yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
default) AC_SUBST(ENABLE_LIBCPP,[0]);;
*) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
esac
dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
AC_ARG_ENABLE(cxx11,
AS_HELP_STRING([--enable-cxx11],
[Use c++11 if available (default is NO)]),,
enableval=default)
case "$enableval" in
yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
no) AC_SUBST(ENABLE_CXX11,[0]) ;;
default) AC_SUBST(ENABLE_CXX11,[0]);;
*) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
esac
dnl --enable-optimized : check whether they want to do an optimized build:
AC_ARG_ENABLE(optimized, AS_HELP_STRING(
--enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
if test ${enableval} = "no" ; then
AC_SUBST(ENABLE_OPTIMIZED,[[]])
else
AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
fi
dnl --enable-profiling : check whether they want to do a profile build:
AC_ARG_ENABLE(profiling, AS_HELP_STRING(
--enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
if test ${enableval} = "no" ; then
AC_SUBST(ENABLE_PROFILING,[[]])
else
AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
fi
dnl --enable-assertions : check whether they want to turn on assertions or not:
AC_ARG_ENABLE(assertions,AS_HELP_STRING(
--enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
if test ${enableval} = "yes" ; then
AC_SUBST(DISABLE_ASSERTIONS,[[]])
else
AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
fi
dnl --enable-werror : check whether we want Werror on by default
AC_ARG_ENABLE(werror,AS_HELP_STRING(
--enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
case "$enableval" in
yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
no) AC_SUBST(ENABLE_WERROR,[0]) ;;
default) AC_SUBST(ENABLE_WERROR,[0]);;
*) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
esac
dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
--enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
if test ${enableval} = "yes" ; then
AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
else
AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
AC_SUBST(EXPENSIVE_CHECKS,[[no]])
fi
dnl --enable-debug-runtime : should runtime libraries have debug symbols?
AC_ARG_ENABLE(debug-runtime,
AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
if test ${enableval} = "no" ; then
AC_SUBST(DEBUG_RUNTIME,[[]])
else
AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
fi
dnl --enable-debug-symbols : should even optimized compiler libraries
dnl have debug symbols?
AC_ARG_ENABLE(debug-symbols,
AS_HELP_STRING(--enable-debug-symbols,[Build compiler with debug symbols (default is NO if optimization is on and YES if it's off)]),,enableval=no)
if test ${enableval} = "no" ; then
AC_SUBST(DEBUG_SYMBOLS,[[]])
else
AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
fi
dnl --enable-jit: check whether they want to enable the jit
AC_ARG_ENABLE(jit,
AS_HELP_STRING(--enable-jit,
[Enable Just In Time Compiling (default is YES)]),,
enableval=default)
if test ${enableval} = "no"
then
AC_SUBST(JIT,[[]])
else
case "$llvm_cv_target_arch" in
x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
*) AC_SUBST(TARGET_HAS_JIT,0) ;;
esac
fi
dnl Allow enablement of building and installing docs
AC_ARG_ENABLE(docs,
AS_HELP_STRING([--enable-docs],
[Build documents (default is YES)]),,
enableval=default)
case "$enableval" in
yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
no) AC_SUBST(ENABLE_DOCS,[0]) ;;
default) AC_SUBST(ENABLE_DOCS,[1]) ;;
*) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
esac
dnl Allow enablement of doxygen generated documentation
AC_ARG_ENABLE(doxygen,
AS_HELP_STRING([--enable-doxygen],
[Build doxygen documentation (default is NO)]),,
enableval=default)
case "$enableval" in
yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
*) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
esac
dnl Allow disablement of threads
AC_ARG_ENABLE(threads,
AS_HELP_STRING([--enable-threads],
[Use threads if available (default is YES)]),,
enableval=default)
case "$enableval" in
yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
no) AC_SUBST(ENABLE_THREADS,[0]) ;;
default) AC_SUBST(ENABLE_THREADS,[1]) ;;
*) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
esac
AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
dnl Allow disablement of pthread.h
AC_ARG_ENABLE(pthreads,
AS_HELP_STRING([--enable-pthreads],
[Use pthreads if available (default is YES)]),,
enableval=default)
case "$enableval" in
yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
*) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
esac
dnl Allow disablement of zlib
AC_ARG_ENABLE(zlib,
AS_HELP_STRING([--enable-zlib],
[Use zlib for compression/decompression if
available (default is YES)]),,
enableval=default)
case "$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 YES)]),,
enableval=default)
case "$enableval" in
yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
*) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
esac
dnl Enable embedding timestamp information into build.
AC_ARG_ENABLE(timestamps,
AS_HELP_STRING([--enable-timestamps],
[Enable embedding timestamp information in build (default is YES)]),,
enableval=default)
case "$enableval" in
yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
*) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
esac
AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
[Define if timestamp information (e.g., __DATE___) is allowed])
dnl Allow specific targets to be specified for building (or not)
TARGETS_TO_BUILD=""
AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
[Build specific host targets: all or target1,target2,... Valid targets are:
host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon,
xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
enableval=all)
if test "$enableval" = host-only ; then
enableval=host
fi
case "$enableval" in
all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600" ;;
*)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
case "$a_target" in
x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
host) case "$llvm_cv_target_arch" in
x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
*) AC_MSG_ERROR([Can not set target to build]) ;;
esac ;;
*) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
esac
done
;;
esac
AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
# Determine whether we are building LLVM support for the native architecture.
# If so, define LLVM_NATIVE_ARCH to that LLVM target.
for a_target in $TARGETS_TO_BUILD; do
if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
[LLVM architecture name for the native architecture, if available])
LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
fi
if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
fi
AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
[LLVM name for the native Target init function, if available])
AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
[LLVM name for the native TargetInfo init function, if available])
AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
[LLVM name for the native target MC init function, if available])
AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
[LLVM name for the native AsmPrinter init function, if available])
if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
[LLVM name for the native AsmParser init function, if available])
fi
if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
[LLVM name for the native Disassembler init function, if available])
fi
fi
done
# Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
# target feature def files.
LLVM_ENUM_TARGETS=""
LLVM_ENUM_ASM_PRINTERS=""
LLVM_ENUM_ASM_PARSERS=""
LLVM_ENUM_DISASSEMBLERS=""
for target_to_build in $TARGETS_TO_BUILD; do
LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
fi
if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
fi
if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
fi
done
AC_SUBST(LLVM_ENUM_TARGETS)
AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
AC_SUBST(LLVM_ENUM_ASM_PARSERS)
AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
dnl Override the option to use for optimized builds.
AC_ARG_WITH(optimize-option,
AS_HELP_STRING([--with-optimize-option],
[Select the compiler options to use for optimized builds]),,
withval=default)
AC_MSG_CHECKING([optimization flags])
case "$withval" in
default)
case "$llvm_cv_os_type" in
FreeBSD) optimize_option=-O2 ;;
MingW) optimize_option=-O2 ;;
*) optimize_option=-O3 ;;
esac ;;
*) optimize_option="$withval" ;;
esac
AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
AC_MSG_RESULT([$optimize_option])
dnl Specify extra build options
AC_ARG_WITH(extra-options,
AS_HELP_STRING([--with-extra-options],
[Specify additional options to compile LLVM with]),,
withval=default)
case "$withval" in
default) EXTRA_OPTIONS= ;;
*) EXTRA_OPTIONS=$withval ;;
esac
AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
dnl Specify extra linker build options
AC_ARG_WITH(extra-ld-options,
AS_HELP_STRING([--with-extra-ld-options],
[Specify additional options to link LLVM with]),,
withval=default)
case "$withval" in
default) EXTRA_LD_OPTIONS= ;;
*) EXTRA_LD_OPTIONS=$withval ;;
esac
AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
dnl Allow specific bindings to be specified for building (or not)
AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
[Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
enableval=default)
BINDINGS_TO_BUILD=""
case "$enableval" in
yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
all ) BINDINGS_TO_BUILD="ocaml" ;;
none | no) BINDINGS_TO_BUILD="" ;;
*)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
case "$a_binding" in
ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
*) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
esac
done
;;
esac
dnl Allow the ocaml libdir to be overridden. This could go in a configure
dnl script for bindings/ocaml/configure, except that its auto value depends on
dnl OCAMLC, which is found here to support tests.
AC_ARG_WITH([ocaml-libdir],
[AS_HELP_STRING([--with-ocaml-libdir],
[Specify install location for ocaml bindings (default is stdlib)])],
[],
[withval=auto])
case "$withval" in
auto) with_ocaml_libdir="$withval" ;;
/* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
*) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
esac
AC_ARG_WITH(clang-resource-dir,
AS_HELP_STRING([--with-clang-resource-dir],
[Relative directory from the Clang binary for resource files]),,
withval="")
AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
[Relative directory for resource files])
AC_ARG_WITH(c-include-dirs,
AS_HELP_STRING([--with-c-include-dirs],
[Colon separated list of directories clang will search for headers]),,
withval="")
AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
[Directories clang will search for headers])
# Clang normally uses the system c++ headers and libraries. With this option,
# clang will use the ones provided by a gcc installation instead. This option should
# be passed the same value that was used with --prefix when configuring gcc.
AC_ARG_WITH(gcc-toolchain,
AS_HELP_STRING([--with-gcc-toolchain],
[Directory where gcc is installed.]),,
withval="")
AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
[Directory where gcc is installed.])
dnl Allow linking of LLVM with GPLv3 binutils code.
AC_ARG_WITH(binutils-include,
AS_HELP_STRING([--with-binutils-include],
[Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
withval=default)
case "$withval" in
default) WITH_BINUTILS_INCDIR=default ;;
/* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
*) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
esac
if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
fi
fi
dnl Specify the URL where bug reports should be submitted.
AC_ARG_WITH(bug-report-url,
AS_HELP_STRING([--with-bug-report-url],
[Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
withval="http://llvm.org/bugs/")
AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
[Bug report URL.])
dnl --enable-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 "$enableval" in
yes) llvm_cv_enable_terminfo="yes" ;;
no) llvm_cv_enable_terminfo="no" ;;
*) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
esac],
llvm_cv_enable_terminfo="yes")
dnl --enable-libffi : check whether the user wants to turn off libffi:
AC_ARG_ENABLE(libffi,AS_HELP_STRING(
--enable-libffi,[Check for the presence of libffi (default is NO)]),
[case "$enableval" in
yes) llvm_cv_enable_libffi="yes" ;;
no) llvm_cv_enable_libffi="no" ;;
*) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
esac],
llvm_cv_enable_libffi=no)
dnl===-----------------------------------------------------------------------===
dnl===
dnl=== SECTION 4: Check for programs we need and that they are the right version
dnl===
dnl===-----------------------------------------------------------------------===
AC_PROG_NM
AC_SUBST(NM)
dnl Check for the tools that the makefiles require
AC_CHECK_GNU_MAKE
AC_PROG_LN_S
AC_PATH_PROG(CMP, [cmp], [cmp])
AC_PATH_PROG(CP, [cp], [cp])
AC_PATH_PROG(DATE, [date], [date])
AC_PATH_PROG(FIND, [find], [find])
AC_PATH_PROG(GREP, [grep], [grep])
AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
AC_PATH_PROG(MV, [mv], [mv])
AC_PROG_RANLIB
AC_CHECK_TOOL(AR, ar, false)
AC_PATH_PROG(RM, [rm], [rm])
AC_PATH_PROG(SED, [sed], [sed])
AC_PATH_PROG(TAR, [tar], [gtar])
AC_PATH_PROG(BINPWD,[pwd], [pwd])
dnl Looking for misc. graph plotting software
AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
if test "$GRAPHVIZ" != "echo Graphviz" ; then
AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
dnl If we're targeting for mingw we should emit windows paths, not msys
if test "$llvm_cv_os_type" = "MingW" ; then
GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
fi
AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
[Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
fi
AC_PATH_PROG(DOT, [dot], [echo dot])
if test "$DOT" != "echo dot" ; then
AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
dnl If we're targeting for mingw we should emit windows paths, not msys
if test "$llvm_cv_os_type" = "MingW" ; then
DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
fi
AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
[Define to path to dot program if found or 'echo dot' otherwise])
fi
AC_PATH_PROG(FDP, [fdp], [echo fdp])
if test "$FDP" != "echo fdp" ; then
AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
dnl If we're targeting for mingw we should emit windows paths, not msys
if test "$llvm_cv_os_type" = "MingW" ; then
FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
fi
AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
[Define to path to fdp program if found or 'echo fdp' otherwise])
fi
AC_PATH_PROG(NEATO, [neato], [echo neato])
if test "$NEATO" != "echo neato" ; then
AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
dnl If we're targeting for mingw we should emit windows paths, not msys
if test "$llvm_cv_os_type" = "MingW" ; then
NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
fi
AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
[Define to path to neato program if found or 'echo neato' otherwise])
fi
AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
if test "$TWOPI" != "echo twopi" ; then
AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
dnl If we're targeting for mingw we should emit windows paths, not msys
if test "$llvm_cv_os_type" = "MingW" ; then
TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
fi
AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
[Define to path to twopi program if found or 'echo twopi' otherwise])
fi
AC_PATH_PROG(CIRCO, [circo], [echo circo])
if test "$CIRCO" != "echo circo" ; then
AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
dnl If we're targeting for mingw we should emit windows paths, not msys
if test "$llvm_cv_os_type" = "MingW" ; then
CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
fi
AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
[Define to path to circo program if found or 'echo circo' otherwise])
fi
AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
if test "$GV" != "echo gv" ; then
AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
dnl If we're targeting for mingw we should emit windows paths, not msys
if test "$llvm_cv_os_type" = "MingW" ; then
GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
fi
AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
[Define to path to gv program if found or 'echo gv' otherwise])
fi
AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
if test "$DOTTY" != "echo dotty" ; then
AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
dnl If we're targeting for mingw we should emit windows paths, not msys
if test "$llvm_cv_os_type" = "MingW" ; then
DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
fi
AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
[Define to path to dotty program if found or 'echo dotty' otherwise])
fi
AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
if test "$XDOT_PY" != "echo xdot.py" ; then
AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
dnl If we're targeting for mingw we should emit windows paths, not msys
if test "$llvm_cv_os_type" = "MingW" ; then
XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
fi
AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
[Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
fi
dnl Find the install program
AC_PROG_INSTALL
dnl Prepend src dir to install path dir if it's a relative path
dnl This is a hack for installs that take place in something other
dnl than the top level.
case "$INSTALL" in
[[\\/$]]* | ?:[[\\/]]* ) ;;
*) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
esac
dnl Checks for documentation and testing tools that we can do without. If these
dnl are not found then they are set to "true" which always succeeds but does
dnl nothing. This just lets the build output show that we could have done
dnl something if the tool was available.
AC_PATH_PROG(BZIP2, [bzip2])
AC_PATH_PROG(CAT, [cat])
AC_PATH_PROG(DOXYGEN, [doxygen])
AC_PATH_PROG(GROFF, [groff])
AC_PATH_PROG(GZIPBIN, [gzip])
AC_PATH_PROG(POD2HTML, [pod2html])
AC_PATH_PROG(POD2MAN, [pod2man])
AC_PATH_PROG(PDFROFF, [pdfroff])
AC_PATH_PROG(RUNTEST, [runtest])
DJ_AC_PATH_TCLSH