dnl === configure.ac --------------------------------------------------------===
dnl The LLVM Compiler Infrastructure
dnl
-dnl This file was developed by the LLVM research group and is distributed under
-dnl the University of Illinois Open Source License. See LICENSE.TXT for details.
-dnl
+dnl This file is distributed under the University of Illinois Open Source
+dnl License. See LICENSE.TXT for details.
+dnl
dnl===-----------------------------------------------------------------------===
dnl This is the LLVM configuration script. It is processed by the autoconf
-dnl program to produce a script named configure. This script contains the
+dnl program to produce a script named configure. This script contains the
dnl configuration checks that LLVM needs in order to support multiple platforms.
dnl This file is composed of 10 sections per the recommended organization of
dnl autoconf input defined in the autoconf documentation. As this file evolves,
dnl===-----------------------------------------------------------------------===
dnl Initialize autoconf and define the package name, version number and
dnl email address for reporting bugs.
-AC_INIT([[llvm]],[[1.9cvs]],[llvmbugs@cs.uiuc.edu])
+AC_INIT([[llvm]],[[2.6svn]],[llvmbugs@cs.uiuc.edu])
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) 2003-2005 University of Illinois at Urbana-Champaign."])
-AC_COPYRIGHT([Copyright (c) 2003-2005 University of Illinois at Urbana-Champaign.])
+AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2008 University of Illinois at Urbana-Champaign."])
+AC_COPYRIGHT([Copyright (c) 2003-2008 University of Illinois at Urbana-Champaign.])
dnl Indicate that we require autoconf 2.59 or later. Ths is needed because we
dnl use some autoconf macros only available in 2.59.
dnl configuring LLVM and not some other package (it validates --srcdir argument)
AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp])
-dnl Place all of the extra autoconf files into the config subdirectory. Tell
-dnl various tools where the m4 autoconf macros are.
+dnl Place all of the extra autoconf files into the config subdirectory. Tell
+dnl various tools where the m4 autoconf macros are.
AC_CONFIG_AUX_DIR([autoconf])
dnl Quit if the source directory has already been configured.
do
if test -d ${srcdir}/projects/${i} ; then
case ${i} in
- "CVS") ;;
- "sample") AC_CONFIG_SUBDIRS([projects/sample]) ;;
- "Stacker") AC_CONFIG_SUBDIRS([projects/Stacker]) ;;
- "privbracket") AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
- "llvm-test") AC_CONFIG_SUBDIRS([projects/llvm-test]) ;;
- "llvm-reopt") AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
- "llvm-gcc") AC_CONFIG_SUBDIRS([projects/llvm-gcc]) ;;
- "llvm-java") AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
- "llvm-tv") AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
- "llvm-poolalloc") AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) ;;
- "llvm-kernel") AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
- *)
+ CVS) ;;
+ sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
+ privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
+ llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
+ # llvm-test is the old name of the test-suite, kept here for backwards
+ # compatibility
+ llvm-test) AC_CONFIG_SUBDIRS([projects/llvm-test]) ;;
+ test-suite) AC_CONFIG_SUBDIRS([projects/test-suite]) ;;
+ llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
+ llvm-gcc) AC_CONFIG_SUBDIRS([projects/llvm-gcc]) ;;
+ llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
+ llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
+ llvm-poolalloc) AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) ;;
+ poolalloc) AC_CONFIG_SUBDIRS([projects/poolalloc]) ;;
+ llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
+ *)
AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
;;
esac
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 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
AC_CACHE_CHECK([type of operating system we're going to host on],
[llvm_cv_os_type],
[case $host in
- *-*-aix*)
+ *-*-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="AIX"
+ llvm_cv_os_type="IRIX"
llvm_cv_platform_type="Unix" ;;
- *-*-cygwin*)
+ *-*-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_os_type="Cygwin"
llvm_cv_platform_type="Unix" ;;
- *-*-darwin*)
+ *-*-darwin*)
llvm_cv_link_all_option="-Wl,-all_load"
- llvm_cv_link_all_option="-Wl,-noall_load"
+ llvm_cv_no_link_all_option="-Wl,-noall_load"
llvm_cv_os_type="Darwin"
llvm_cv_platform_type="Unix" ;;
- *-*-freebsd*)
+ *-*-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_os_type="FreeBSD"
llvm_cv_platform_type="Unix" ;;
- *-*-openbsd*)
+ *-*-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_os_type="OpenBSD"
llvm_cv_platform_type="Unix" ;;
- *-*-hpux*)
+ *-*-netbsd*)
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_os_type="NetBSD"
llvm_cv_platform_type="Unix" ;;
- *-*-interix*)
+ *-*-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*)
+ *-*-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" ;;
- *-*-solaris*)
+ *-*-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" ;;
- *-*-win32*)
+ *-*-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*)
+ *-*-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_os_type="MingW"
llvm_cv_platform_type="Win32" ;;
- *)
- llvm_cv_link_all_option=""
+ *)
+ llvm_cv_link_all_option=""
llvm_cv_no_link_all_option=""
- llvm_cv_os_type="Unknown"
+ llvm_cv_os_type="Unknown"
llvm_cv_platform_type="Unknown" ;;
esac])
dnl This is used by lib/System to determine the basic kind of implementation
dnl to use.
case $llvm_cv_platform_type in
- Unix)
- AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
+ Unix)
+ AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
AC_SUBST(LLVM_ON_UNIX,[1])
AC_SUBST(LLVM_ON_WIN32,[0])
;;
- Win32)
- AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
+ Win32)
+ AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
AC_SUBST(LLVM_ON_UNIX,[0])
AC_SUBST(LLVM_ON_WIN32,[1])
;;
powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
alpha*-*) llvm_cv_target_arch="Alpha" ;;
ia64-*) llvm_cv_target_arch="IA64" ;;
+ arm-*) llvm_cv_target_arch="ARM" ;;
+ mips-*) llvm_cv_target_arch="Mips" ;;
+ pic16-*) llvm_cv_target_arch="PIC16" ;;
+ xcore-*) llvm_cv_target_arch="XCore" ;;
*) llvm_cv_target_arch="Unknown" ;;
esac])
dnl Check for build platform executable suffix if we're crosscompiling
if test "$cross_compiling" = yes; then
- AC_SUBST(LLVM_CROSS_COMPILING, [1])
+ 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 "$BUILD_CXX"; then
+ AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
+ fi
+ fi
else
AC_SUBST(LLVM_CROSS_COMPILING, [0])
fi
-dnl Check to see if there's a "CVS" directory indicating that this build is
-dnl being done from a CVS checkout. This sets up several defaults for the
-dnl command line switches. When we build with a CVS directory, we get a
+dnl Check to see if there's a "CVS" (or .svn) directory indicating that this
+dnl build is being done from a checkout. This sets up several defaults for the
+dnl command line switches. When we build with a CVS directory, we get a
dnl debug with assertions turned on. Without, we assume a source release and we
dnl get an optimized build without assertions. See --enable-optimized and
dnl --enable-assertions below
-if test -d "CVS" -o -d "${srcdir}/CVS"; then
+if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn"; then
cvsbuild="yes"
optimize="no"
AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
fi
+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 ${enableval} = "yes" ; then
+ AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
+ AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
+else
+ AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
+ AC_SUBST(EXPENSIVE_CHECKS,[[no]])
+fi
+
dnl --enable-debug-runtime : should runtime libraries have debug symbols?
AC_ARG_ENABLE(debug-runtime,
AS_HELP_STRING([--enable-debug-runtime,Build runtime libs with debug symbols (default is NO)]),,enableval=no)
else
case "$llvm_cv_target_arch" in
x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
- Sparc) 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,0) ;;
+ x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
IA64) AC_SUBST(TARGET_HAS_JIT,0) ;;
+ ARM) AC_SUBST(TARGET_HAS_JIT,0) ;;
+ Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
+ PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
+ XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
*) AC_SUBST(TARGET_HAS_JIT,0) ;;
esac
fi
AC_ARG_ENABLE(threads,
AS_HELP_STRING([--enable-threads],
[Use threads if available (default is YES)]),,
- enableval=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 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 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,host-only,{target-name} (default=all)]),,
enableval=all)
case "$enableval" in
- all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha IA64 ARM" ;;
+ all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha IA64 ARM Mips CellSPU PIC16 XCore CBackend MSIL CppBackend" ;;
host-only)
case "$llvm_cv_target_arch" in
x86) TARGETS_TO_BUILD="X86" ;;
PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
Alpha) TARGETS_TO_BUILD="Alpha" ;;
IA64) TARGETS_TO_BUILD="IA64" ;;
+ ARM) TARGETS_TO_BUILD="ARM" ;;
+ Mips) TARGETS_TO_BUILD="Mips" ;;
+ CellSPU|SPU) TARGETS_TO_BUILD="CellSPU" ;;
+ PIC16) TARGETS_TO_BUILD="PIC16" ;;
+ XCore) TARGETS_TO_BUILD="XCore" ;;
*) AC_MSG_ERROR([Can not set target to build]) ;;
- esac
+ esac
;;
*)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
case "$a_target" in
powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
ia64) TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;;
+ arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
+ mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
+ spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
+ pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
+ xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
+ cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
+ msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
+ cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
*) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
esac
- done
+ done
;;
esac
-TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD"
AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
+dnl Prevent the CBackend from using printf("%a") for floating point so older
+dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
+dnl can still compile the CBE's output
+AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
+ [Enable C Backend output with hex floating point via %a (default is YES)]),,
+ enableval=default)
+case "$enableval" in
+ yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
+ no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
+ default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
+ *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
+esac
+AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
+ [Define if CBE is enabled for printf %a output])
+
dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
AC_ARG_WITH(llvmgccdir,
AS_HELP_STRING([--with-llvmgccdir],
*) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
esac
+dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
+AC_ARG_WITH(llvmgcc,
+ AS_HELP_STRING([--with-llvmgcc],
+ [Specify location of llvm-gcc driver (default searches PATH)]),
+ LLVMGCC=$with_llvmgcc
+ WITH_LLVMGCCDIR="",)
+
+dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
+AC_ARG_WITH(llvmgxx,
+ AS_HELP_STRING([--with-llvmgxx],
+ [Specify location of llvm-g++ driver (default searches PATH)]),
+ LLVMGXX=$with_llvmgxx
+ WITH_LLVMGCCDIR="",)
+
+if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
+ AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
+fi
+
+if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
+ AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
+fi
+
dnl Specify extra build options
AC_ARG_WITH(extra-options,
AS_HELP_STRING([--with-extra-options],
esac
AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
+dnl Allow specific bindings to be specified for building (or not)
+AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
+ [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
+ enableval=default)
+BINDINGS_TO_BUILD=""
+case "$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
+
+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===-----------------------------------------------------------------------===
dnl===
dnl=== SECTION 4: Check for programs we need and that they are the right version
AC_PROG_CPP
AC_PROG_CC(gcc)
AC_PROG_CXX(g++)
-AC_PROG_FLEX
-AC_PROG_BISON
AC_PROG_NM
AC_SUBST(NM)
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
+ 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}",
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
+ 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}",
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
+ 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}",
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
+ 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}",
AC_SUBST(PERL)
if test x"$PERL" = xnone; then
AC_SUBST(HAVE_PERL,0)
+ AC_MSG_ERROR([perl is required but was not found, please install it])
else
AC_SUBST(HAVE_PERL,1)
fi
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],[echo "Skipped: bzip2 not found"])
-AC_PATH_PROG(DOXYGEN,[doxygen],[echo "Skipped: doxygen not found"])
-AC_PATH_PROG(ETAGS,[etags],[echo "Skipped: etags not found"])
-AC_PATH_PROG(GROFF,[groff],[echo "Skipped: groff not found"])
-AC_PATH_PROG(GZIP,[gzip],[echo "Skipped: gzip not found"])
-AC_PATH_PROG(POD2HTML,[pod2html],[echo "Skipped: pod2html not found"])
-AC_PATH_PROG(POD2MAN,[pod2man],[echo "Skipped: pod2man not found"])
-AC_PATH_PROG(RUNTEST,[runtest],[echo "Skipped: runtest not found"])
+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(DOXYGEN, [doxygen])
+AC_PATH_PROG(GROFF, [groff])
+AC_PATH_PROG(GZIP, [gzip])
+AC_PATH_PROG(POD2HTML, [pod2html])
+AC_PATH_PROG(POD2MAN, [pod2man])
+AC_PATH_PROG(RUNTEST, [runtest])
DJ_AC_PATH_TCLSH
-AC_PATH_PROG(ZIP,[zip],[echo "Skipped: zip not found"])
-
-dnl Determine if the linker supports the -R option.
+AC_PATH_PROG(ZIP, [zip])
+AC_PATH_PROGS(OCAMLC, [ocamlc])
+AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
+AC_PATH_PROGS(OCAMLDEP, [ocamldep])
+AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
+AC_PATH_PROGS(GAS, [gas as])
+
+dnl Determine whether the linker supports the -R option.
AC_LINK_USE_R
+dnl Determine whether the linker supports the -export-dynamic option.
+AC_LINK_EXPORT_DYNAMIC
+
dnl 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).
[Define if dlopen(0) will open the symbols of the program])
fi
-dnl Check if we know how to tell etags we are using C++:
-etags_version=`$ETAGS --version 2>&1`
-case "$etags_version" in
- *[Ee]xuberant*) ETAGSFLAGS="--language-force=c++" ;;
- *GNU\ Emacs*) ETAGSFLAGS="-l c++" ;;
- *) ETAGSFLAGS="" ;;
-esac
-AC_SUBST(ETAGSFLAGS,$ETAGSFLAGS)
-
if test "$WITH_LLVMGCCDIR" = "default" ; then
LLVMGCC="llvm-gcc${EXEEXT}"
LLVMGXX="llvm-g++${EXEEXT}"
AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
else
- LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
- LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
+ if test -z "$LLVMGCC"; then
+ LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
+ fi
+ if test -z "$LLVMGXX"; then
+ LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
+ fi
AC_SUBST(LLVMGCC,$LLVMGCC)
AC_SUBST(LLVMGXX,$LLVMGXX)
fi
-
+
AC_MSG_CHECKING([tool compatibility])
dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
ICC=no
IXX=no
case $CC in
- icc*|icpc*)
+ icc*|icpc*)
ICC=yes
IXX=yes
;;
dnl Verify that GCC is version 3.0 or higher
if test "$GCC" = "yes"
then
- gccmajor=`$CC --version | head -n 1 | sed 's/[[^0-9]]*\([[0-9.]]\).*/\1/'`
- if test "$gccmajor" -lt "3"
- then
- AC_MSG_ERROR([gcc 3.x required, but you have a lower version])
- fi
+ AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
+#error Unsupported GCC version
+#endif
+]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
fi
dnl Check for GNU Make. We use its extensions, so don't build without it
dnl libelf is for sparc only; we can ignore it if we don't have it
AC_CHECK_LIB(elf, elf_begin)
AC_CHECK_LIB(m,sin)
-if test "$llvm_cv_os_type" == "MingW" ; then
+if test "$llvm_cv_os_type" = "MingW" ; then
AC_CHECK_LIB(imagehlp, main)
AC_CHECK_LIB(psapi, main)
fi
-dnl lt_dlopen may be required for plugin support.
-AC_SEARCH_LIBS(lt_dlopen,ltdl,AC_DEFINE([HAVE_LT_DLOPEN],[1],
- [Define if lt_dlopen() is available on this platform]),
- AC_MSG_WARN([lt_dlopen() not found - plugin support might
- not be available]))
-
dnl dlopen() is required for plugin support.
AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
[Define if dlopen() is available on this platform.]),
AC_MSG_WARN([dlopen() not found - disabling plugin support]))
+dnl libffi is optional; used to call external functions from the interpreter
+AC_CHECK_LIB(ffi,ffi_call,[have_libffi=1],
+ AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
+
dnl mallinfo is optional; the code can compile (minus features) without it
AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
[Define if mallinfo() is available on this platform.]))
[Have pthread_mutex_lock]))
fi
+dnl Allow extra x86-disassembler library
+AC_ARG_WITH(udis86,
+ AS_HELP_STRING([--with-udis86=<path>],
+ [Use udis86 external x86 disassembler library]),
+ [
+ AC_SUBST(USE_UDIS86, [1])
+ case "$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],$USE_UDIS86,
+ [Define if use udis86 library])
+
dnl===-----------------------------------------------------------------------===
dnl===
dnl=== SECTION 6: Check for header files
AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h unistd.h utime.h])
-AC_CHECK_HEADERS([windows.h sys/mman.h sys/param.h sys/resource.h sys/time.h])
-AC_CHECK_HEADERS([sys/types.h malloc/malloc.h])
+AC_CHECK_HEADERS([windows.h])
+AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
+AC_CHECK_HEADERS([sys/types.h malloc/malloc.h mach/mach.h])
if test "$ENABLE_THREADS" -eq 1 ; then
- AC_CHECK_HEADERS(pthread.h)
+ AC_CHECK_HEADERS(pthread.h,
+ AC_SUBST(HAVE_PTHREAD, 1),
+ AC_SUBST(HAVE_PTHREAD, 0))
+else
+ AC_SUBST(HAVE_PTHREAD, 0)
fi
+dnl Once we know we have libffi, try to find ffi.h.
+if test -n "$have_libffi" ; then
+ AC_CHECK_HEADERS([ffi.h ffi/ffi.h], [AC_SUBST(HAVE_FFI, 1)])
+fi
+
dnl===-----------------------------------------------------------------------===
dnl===
dnl=== SECTION 7: Check for types and structures
dnl===
dnl===-----------------------------------------------------------------------===
+AC_HUGE_VAL_CHECK
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_SIGNAL
dnl===-----------------------------------------------------------------------===
AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
-AC_CHECK_FUNCS([getpagesize getrusage gettimeofday isatty mkdtemp mkstemp ])
+AC_CHECK_FUNCS([powf fmodf strtof round ])
+AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
+AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup strerror strerror_r ])
AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
-AC_CHECK_FUNCS([_setjmp _longjmp setjmp longjmp sigsetjmp siglongjmp])
+AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
AC_C_PRINTF_A
AC_FUNC_ALLOCA
AC_FUNC_RAND48
AC_FUNC_ISNAN
AC_FUNC_ISINF
-dnl Check for mmap and mprotect support. We need both to do the JIT and for
-dnl bytecode loading, etc. We also need to know if /dev/zero is required to
+dnl Check for mmap support.We also need to know if /dev/zero is required to
dnl be opened for allocating RWX memory.
-AC_FUNC_MMAP
-AC_FUNC_MMAP_FILE
-AC_NEED_DEV_ZERO_FOR_MMAP
-AC_CHECK_FUNC(mprotect,,
- AC_MSG_ERROR([Function mprotect() required but not found]))
+dnl Make sure we aren't attempting to configure for an unknown system
+if test "$llvm_cv_platform_type" = "Unix" ; then
+ AC_FUNC_MMAP
+ AC_FUNC_MMAP_FILE
+ AC_NEED_DEV_ZERO_FOR_MMAP
-if test "$ac_cv_func_mmap_fixed_mapped" = "no"
-then
- AC_MSG_WARN([mmap() of a fixed address required but not supported])
-fi
-if test "$ac_cv_func_mmap_file" = "no"
-then
- AC_MSG_WARN([mmap() of files required but not found])
+ if test "$ac_cv_func_mmap_fixed_mapped" = "no"
+ then
+ AC_MSG_WARN([mmap() of a fixed address required but not supported])
+ fi
+ if test "$ac_cv_func_mmap_file" = "no"
+ then
+ AC_MSG_WARN([mmap() of files required but not found])
+ fi
fi
dnl===-----------------------------------------------------------------------===
dnl===
dnl===-----------------------------------------------------------------------===
+dnl Check, whether __dso_handle is present
+AC_CHECK_FUNCS([__dso_handle])
+
dnl See if the llvm-gcc executable can compile to LLVM assembly
AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
[llvm_cv_llvmgcc_sanity="no"
if test -x "$LLVMGCC" ; then
cp /dev/null conftest.c
- "$LLVMGCC" -emit-llvm -S -o - conftest.c | grep implementation > /dev/null 2>&1
+ "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
+ grep 'target datalayout =' > /dev/null 2>&1
if test $? -eq 0 ; then
llvm_cv_llvmgcc_sanity="yes"
fi
rm conftest.c
fi])
-dnl Since we have a sane llvm-gcc, identify it and its sub-tools
+dnl Since we have a sane llvm-gcc, identify it and its sub-tools
if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
+ AC_MSG_CHECKING([llvm-gcc component support])
llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
AC_SUBST(LLVMCC1,$llvmcc1path)
llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
AC_SUBST(LLVMGCCDIR,$llvmgccdir)
+ llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
+ AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
+ llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
+ AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
+ AC_MSG_RESULT([ok])
fi
-dnl Propagate the shared library extension that the libltdl checks did to
+dnl Propagate the shared library extension that the libltdl checks did to
dnl the Makefiles so we can use it there too
AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
# Translate the various configuration directories and other basic
-# information into substitutions that will end up in Makefile.config.in
+# information into substitutions that will end up in Makefile.config.in
# that these configured values can be used by the makefiles
-if test "${prefix}" == "NONE" ; then
+if test "${prefix}" = "NONE" ; then
prefix="/usr/local"
fi
eval LLVM_PREFIX="${prefix}";
# Place the various directores into the config.h file as #defines so that we
# can know about the installation paths within LLVM.
-AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
+AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
[Installation prefix directory])
-AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
+AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
[Installation directory for binary executables])
-AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
+AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
[Installation directory for libraries])
-AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
+AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
[Installation directory for data files])
-AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DOCSDIR",
+AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
[Installation directory for documentation])
-AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
+AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
[Installation directory for config files])
-AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
+AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
[Installation directory for include files])
-AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
+AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
[Installation directory for .info files])
-AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
+AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
[Installation directory for man pages])
-AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
+AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
[Time at which LLVM was configured])
+AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
+ [Host triple we were built on])
+
+# Determine which bindings to build.
+if test "$BINDINGS_TO_BUILD" = auto ; then
+ BINDINGS_TO_BUILD=""
+ if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
+ BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
+ fi
+fi
+AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
+
+# This isn't really configurey, but it avoids having to repeat the list in
+# other files.
+AC_SUBST(ALL_BINDINGS,ocaml)
+
+# Do any work necessary to ensure that bindings have what they need.
+binding_prereqs_failed=0
+for a_binding in $BINDINGS_TO_BUILD ; do
+ case "$a_binding" in
+ ocaml)
+ if test "x$OCAMLC" = x ; then
+ AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
+ binding_prereqs_failed=1
+ fi
+ if test "x$OCAMLDEP" = x ; then
+ AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
+ binding_prereqs_failed=1
+ fi
+ if test "x$OCAMLOPT" = x ; then
+ AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
+ dnl ocamlopt is optional!
+ fi
+ if test "x$with_ocaml_libdir" != xauto ; then
+ AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
+ else
+ ocaml_stdlib="`"$OCAMLC" -where`"
+ if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
+ then
+ # ocaml stdlib is beneath our prefix; use stdlib
+ AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
+ else
+ # ocaml stdlib is outside our prefix; use libdir/ocaml
+ AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
+ fi
+ fi
+ ;;
+ esac
+done
+if test "$binding_prereqs_failed" = 1 ; then
+ AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
+fi
+
+dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
+AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
+
+dnl Determine linker rpath flag
+if test "$llvm_cv_link_use_r" = "yes" ; then
+ RPATH="-Wl,-R"
+else
+ RPATH="-Wl,-rpath"
+fi
+AC_SUBST(RPATH)
+
+dnl Determine linker rdynamic flag
+if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
+ RDYNAMIC="-Wl,-export-dynamic"
+else
+ RDYNAMIC=""
+fi
+AC_SUBST(RDYNAMIC)
dnl===-----------------------------------------------------------------------===
dnl===
dnl files can be updated automatically when their *.in sources change.
AC_CONFIG_HEADERS([include/llvm/Config/config.h])
AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
-AC_CONFIG_HEADERS([include/llvm/ADT/hash_map])
-AC_CONFIG_HEADERS([include/llvm/ADT/hash_set])
-AC_CONFIG_HEADERS([include/llvm/ADT/iterator])
+AC_CONFIG_HEADERS([include/llvm/ADT/hash_map.h])
+AC_CONFIG_HEADERS([include/llvm/ADT/hash_set.h])
+AC_CONFIG_HEADERS([include/llvm/ADT/iterator.h])
dnl Configure the makefile's configuration data
AC_CONFIG_FILES([Makefile.config])
+dnl Configure the RPM spec file for LLVM
+AC_CONFIG_FILES([llvm.spec])
+
dnl Configure doxygen's configuration file
AC_CONFIG_FILES([docs/doxygen.cfg])
AC_CONFIG_MAKEFILE(runtime/Makefile)
AC_CONFIG_MAKEFILE(test/Makefile)
AC_CONFIG_MAKEFILE(test/Makefile.tests)
+AC_CONFIG_MAKEFILE(unittests/Makefile)
AC_CONFIG_MAKEFILE(tools/Makefile)
AC_CONFIG_MAKEFILE(utils/Makefile)
AC_CONFIG_MAKEFILE(projects/Makefile)
+AC_CONFIG_MAKEFILE(bindings/Makefile)
+AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
dnl Finally, crank out the output
AC_OUTPUT
-
-dnl Warn loudly if llvm-gcc was not obviously working
-if test "$llvm_cv_llvmgcc_sanity" = "no" ; then
- AC_MSG_WARN([***** llvm-gcc/llvm-g++ was not found, or does not appear to be ])
- AC_MSG_WARN([***** working. Please make sure you have llvmgcc and llvmg++ in])
- AC_MSG_WARN([***** your path before configuring LLVM. The runtime libraries])
- AC_MSG_WARN([***** (llvm/runtime) will not be built but you should be able to])
- AC_MSG_WARN([***** build the llvm tools.])
-fi