1 dnl === configure.ac --------------------------------------------------------===
2 dnl The LLVM Compiler Infrastructure
4 dnl This file is distributed under the University of Illinois Open Source
5 dnl License. See LICENSE.TXT for details.
7 dnl===-----------------------------------------------------------------------===
8 dnl This is the LLVM configuration script. It is processed by the autoconf
9 dnl program to produce a script named configure. This script contains the
10 dnl configuration checks that LLVM needs in order to support multiple platforms.
11 dnl This file is composed of 10 sections per the recommended organization of
12 dnl autoconf input defined in the autoconf documentation. As this file evolves,
13 dnl please keep the various types of checks within their sections. The sections
16 dnl SECTION 1: Initialization & Setup
17 dnl SECTION 2: Architecture, target, and host checks
18 dnl SECTION 3: Command line arguments for the configure script.
19 dnl SECTION 4: Check for programs we need and that they are the right version
20 dnl SECTION 5: Check for libraries
21 dnl SECTION 6: Check for header files
22 dnl SECTION 7: Check for types and structures
23 dnl SECTION 8: Check for specific functions needed
24 dnl SECTION 9: Additional checks, variables, etc.
25 dnl SECTION 10: Specify the output files and generate it
27 dnl===-----------------------------------------------------------------------===
29 dnl=== SECTION 1: Initialization & Setup
31 dnl===-----------------------------------------------------------------------===
32 dnl Initialize autoconf and define the package name, version number and
33 dnl address for reporting bugs.
35 AC_INIT([LLVM],[3.5.0svn],[http://llvm.org/bugs/])
40 LLVM_VERSION_SUFFIX=svn
42 AC_DEFINE_UNQUOTED([LLVM_VERSION_MAJOR], $LLVM_VERSION_MAJOR, [Major version of the LLVM API])
43 AC_DEFINE_UNQUOTED([LLVM_VERSION_MINOR], $LLVM_VERSION_MINOR, [Minor version of the LLVM API])
44 AC_DEFINE_UNQUOTED([LLVM_VERSION_PATCH], $LLVM_VERSION_PATCH, [Patch version of the LLVM API])
46 AC_SUBST([LLVM_VERSION_MAJOR])
47 AC_SUBST([LLVM_VERSION_MINOR])
48 AC_SUBST([LLVM_VERSION_PATCH])
49 AC_SUBST([LLVM_VERSION_SUFFIX])
51 dnl Provide a copyright substitution and ensure the copyright notice is included
52 dnl in the output of --version option of the generated configure script.
53 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2014 University of Illinois at Urbana-Champaign."])
54 AC_COPYRIGHT([Copyright (c) 2003-2014 University of Illinois at Urbana-Champaign.])
56 dnl Indicate that we require autoconf 2.60 or later.
59 dnl Verify that the source directory is valid. This makes sure that we are
60 dnl configuring LLVM and not some other package (it validates --srcdir argument)
61 AC_CONFIG_SRCDIR([lib/IR/Module.cpp])
63 dnl Place all of the extra autoconf files into the config subdirectory. Tell
64 dnl various tools where the m4 autoconf macros are.
65 AC_CONFIG_AUX_DIR([autoconf])
67 dnl Quit if the source directory has already been configured.
68 dnl NOTE: This relies upon undocumented autoconf behavior.
69 if test ${srcdir} != "." ; then
70 if test -f ${srcdir}/include/llvm/Config/config.h ; then
71 AC_MSG_ERROR([Already configured in ${srcdir}])
75 dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS,
76 dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc).
80 dnl We need to check for the compiler up here to avoid anything else
81 dnl starting with a different one.
83 AC_PROG_CXX(clang++ g++)
86 dnl If CXX is Clang, check that it can find and parse C++ standard library
88 if test "$CXX" = "clang++" ; then
89 AC_MSG_CHECKING([whether clang works])
91 dnl Note that space between 'include' and '(' is required. There's a broken
92 dnl regex in aclocal that otherwise will think that we call m4's include
94 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <limits>
95 #if __has_include (<cxxabi.h>)
98 #if __has_include (<unwind.h>)
107 AC_MSG_ERROR([Selected compiler could not find or parse C++ standard library headers. Rerun with CC=c-compiler CXX=c++-compiler ./configure ...])
112 dnl Set up variables that track whether the host compiler is GCC or Clang where
113 dnl we can effectively sanity check them. We don't try to sanity check all the
114 dnl other possible compilers.
115 AC_MSG_CHECKING([whether GCC or Clang is our host compiler])
117 llvm_cv_cxx_compiler=unknown
118 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __clang__
122 llvm_cv_cxx_compiler=clang,
123 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __GNUC__
127 llvm_cv_cxx_compiler=gcc, [])])
129 AC_MSG_RESULT([${llvm_cv_cxx_compiler}])
131 dnl Configure all of the projects present in our source tree. While we could
132 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
133 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
134 dnl Instead we match on the known projects.
137 dnl One tricky part of doing this is that some projects depend upon other
138 dnl projects. For example, several projects rely upon the LLVM test suite.
139 dnl We want to configure those projects first so that their object trees are
140 dnl created before running the configure scripts of projects that depend upon
144 dnl Several projects use the LLVM test suite, so configure it next.
145 if test -d ${srcdir}/projects/test-suite ; then
146 AC_CONFIG_SUBDIRS([projects/test-suite])
149 dnl llvm-test is the old name of the test-suite, kept here for backwards
151 if test -d ${srcdir}/projects/llvm-test ; then
152 AC_CONFIG_SUBDIRS([projects/llvm-test])
155 dnl Some projects use poolalloc; configure that next
156 if test -d ${srcdir}/projects/poolalloc ; then
157 AC_CONFIG_SUBDIRS([projects/poolalloc])
160 if test -d ${srcdir}/projects/llvm-poolalloc ; then
161 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
164 dnl Check for all other projects
165 for i in `ls ${srcdir}/projects`
167 if test -d ${srcdir}/projects/${i} ; then
169 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
170 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
177 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
183 dnl Disable the build of polly, even if it is checked out into tools/polly.
185 AS_HELP_STRING([--enable-polly],
186 [Use polly if available (default is YES)]),,
189 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
190 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
191 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
192 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
196 dnl Check if polly is checked out into tools/polly and configure it if
198 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
199 AC_SUBST(LLVM_HAS_POLLY,1)
200 AC_CONFIG_SUBDIRS([tools/polly])
203 dnl===-----------------------------------------------------------------------===
205 dnl=== SECTION 2: Architecture, target, and host checks
207 dnl===-----------------------------------------------------------------------===
209 dnl Check the target for which we're compiling and the host that will do the
210 dnl compilations. This will tell us which LLVM compiler will be used for
211 dnl compiling SSA into object code. This needs to be done early because
212 dnl following tests depend on it.
215 dnl Determine the platform type and cache its value. This helps us configure
216 dnl the System library to the correct build platform.
217 AC_CACHE_CHECK([type of operating system we're going to host on],
221 llvm_cv_link_all_option="-Wl,--whole-archive"
222 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
223 llvm_cv_os_type="AIX"
224 llvm_cv_platform_type="Unix" ;;
226 llvm_cv_link_all_option="-Wl,--whole-archive"
227 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
228 llvm_cv_os_type="IRIX"
229 llvm_cv_platform_type="Unix" ;;
231 llvm_cv_link_all_option="-Wl,--whole-archive"
232 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
233 llvm_cv_os_type="Cygwin"
234 llvm_cv_platform_type="Unix" ;;
236 llvm_cv_link_all_option="-Wl,-all_load"
237 llvm_cv_no_link_all_option="-Wl,-noall_load"
238 llvm_cv_os_type="Darwin"
239 llvm_cv_platform_type="Unix" ;;
241 llvm_cv_link_all_option="-Wl,-all_load"
242 llvm_cv_no_link_all_option="-Wl,-noall_load"
243 llvm_cv_os_type="Minix"
244 llvm_cv_platform_type="Unix" ;;
246 llvm_cv_link_all_option="-Wl,--whole-archive"
247 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
248 llvm_cv_os_type="FreeBSD"
249 llvm_cv_platform_type="Unix" ;;
251 llvm_cv_link_all_option="-Wl,--whole-archive"
252 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
253 llvm_cv_os_type="GNU/kFreeBSD"
254 llvm_cv_platform_type="Unix" ;;
256 llvm_cv_link_all_option="-Wl,--whole-archive"
257 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
258 llvm_cv_os_type="OpenBSD"
259 llvm_cv_platform_type="Unix" ;;
261 llvm_cv_link_all_option="-Wl,--whole-archive"
262 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
263 llvm_cv_os_type="NetBSD"
264 llvm_cv_platform_type="Unix" ;;
266 llvm_cv_link_all_option="-Wl,--whole-archive"
267 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
268 llvm_cv_os_type="DragonFly"
269 llvm_cv_platform_type="Unix" ;;
271 llvm_cv_link_all_option="-Wl,--whole-archive"
272 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
273 llvm_cv_os_type="HP-UX"
274 llvm_cv_platform_type="Unix" ;;
276 llvm_cv_link_all_option="-Wl,--whole-archive"
277 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
278 llvm_cv_os_type="Interix"
279 llvm_cv_platform_type="Unix" ;;
281 llvm_cv_link_all_option="-Wl,--whole-archive"
282 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
283 llvm_cv_os_type="Linux"
284 llvm_cv_platform_type="Unix" ;;
286 llvm_cv_link_all_option="-Wl,--whole-archive"
287 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
288 llvm_cv_os_type="GNU"
289 llvm_cv_platform_type="Unix" ;;
291 llvm_cv_link_all_option="-Wl,-z,allextract"
292 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
293 llvm_cv_os_type="SunOS"
294 llvm_cv_platform_type="Unix" ;;
296 llvm_cv_link_all_option="-Wl,-z,allextract"
297 llvm_cv_link_all_option="-Wl,-z,defaultextract"
298 llvm_cv_os_type="AuroraUX"
299 llvm_cv_platform_type="Unix" ;;
301 llvm_cv_link_all_option="-Wl,--whole-archive"
302 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
303 llvm_cv_os_type="Win32"
304 llvm_cv_platform_type="Win32" ;;
306 llvm_cv_link_all_option="-Wl,--whole-archive"
307 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
308 llvm_cv_os_type="MingW"
309 llvm_cv_platform_type="Win32" ;;
311 llvm_cv_link_all_option="-Wl,--whole-archive"
312 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
313 llvm_cv_os_type="Haiku"
314 llvm_cv_platform_type="Unix" ;;
316 llvm_cv_link_all_option="-Wl,--whole-archive"
317 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
318 llvm_cv_os_type="Freestanding"
319 llvm_cv_platform_type="Unix" ;;
321 llvm_cv_link_all_option="-Wl,--whole-archive"
322 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
323 llvm_cv_os_type="Freestanding"
324 llvm_cv_platform_type="Unix" ;;
326 llvm_cv_link_all_option=""
327 llvm_cv_no_link_all_option=""
328 llvm_cv_os_type="Unknown"
329 llvm_cv_platform_type="Unknown" ;;
332 AC_CACHE_CHECK([type of operating system we're going to target],
333 [llvm_cv_target_os_type],
336 llvm_cv_target_os_type="AIX" ;;
338 llvm_cv_target_os_type="IRIX" ;;
340 llvm_cv_target_os_type="Cygwin" ;;
342 llvm_cv_target_os_type="Darwin" ;;
344 llvm_cv_target_os_type="Minix" ;;
346 llvm_cv_target_os_type="FreeBSD" ;;
348 llvm_cv_target_os_type="GNU/kFreeBSD" ;;
350 llvm_cv_target_os_type="OpenBSD" ;;
352 llvm_cv_target_os_type="NetBSD" ;;
354 llvm_cv_target_os_type="DragonFly" ;;
356 llvm_cv_target_os_type="HP-UX" ;;
358 llvm_cv_target_os_type="Interix" ;;
360 llvm_cv_target_os_type="Linux" ;;
362 llvm_cv_target_os_type="GNU" ;;
364 llvm_cv_target_os_type="SunOS" ;;
366 llvm_cv_target_os_type="AuroraUX" ;;
368 llvm_cv_target_os_type="Win32" ;;
370 llvm_cv_target_os_type="MingW" ;;
372 llvm_cv_target_os_type="Haiku" ;;
374 llvm_cv_target_os_type="RTEMS" ;;
376 llvm_cv_target_os_type="NativeClient" ;;
378 llvm_cv_target_os_type="Freestanding" ;;
380 llvm_cv_target_os_type="Unknown" ;;
383 dnl Make sure we aren't attempting to configure for an unknown system
384 if test "$llvm_cv_os_type" = "Unknown" ; then
385 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
388 dnl Set the "OS" Makefile variable based on the platform type so the
389 dnl makefile can configure itself to specific build hosts
390 AC_SUBST(OS,$llvm_cv_os_type)
391 AC_SUBST(HOST_OS,$llvm_cv_os_type)
392 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
394 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
395 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
396 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
398 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
399 dnl This is used by lib/Support to determine the basic kind of implementation
401 case $llvm_cv_platform_type in
403 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
404 AC_SUBST(LLVM_ON_UNIX,[1])
405 AC_SUBST(LLVM_ON_WIN32,[0])
408 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
409 AC_SUBST(LLVM_ON_UNIX,[0])
410 AC_SUBST(LLVM_ON_WIN32,[1])
414 dnl Determine what our target architecture is and configure accordingly.
415 dnl This will allow Makefiles to make a distinction between the hardware and
417 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
419 i?86-*) llvm_cv_target_arch="x86" ;;
420 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
421 sparc*-*) llvm_cv_target_arch="Sparc" ;;
422 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
423 arm*-*) llvm_cv_target_arch="ARM" ;;
424 aarch64*-*) llvm_cv_target_arch="AArch64" ;;
425 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
426 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
427 xcore-*) llvm_cv_target_arch="XCore" ;;
428 msp430-*) llvm_cv_target_arch="MSP430" ;;
429 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
430 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
431 s390x-*) llvm_cv_target_arch="SystemZ" ;;
432 *) llvm_cv_target_arch="Unknown" ;;
435 if test "$llvm_cv_target_arch" = "Unknown" ; then
436 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
439 dnl Determine the LLVM native architecture for the target
440 case "$llvm_cv_target_arch" in
441 x86) LLVM_NATIVE_ARCH="X86" ;;
442 x86_64) LLVM_NATIVE_ARCH="X86" ;;
443 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
446 dnl Define a substitution, ARCH, for the target architecture
447 AC_SUBST(ARCH,$llvm_cv_target_arch)
448 AC_SUBST(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCH)
450 dnl Determine what our host architecture.
451 dnl This will allow MCJIT regress tests runs only for supported
454 i?86-*) host_arch="x86" ;;
455 amd64-* | x86_64-*) host_arch="x86_64" ;;
456 sparc*-*) host_arch="Sparc" ;;
457 powerpc*-*) host_arch="PowerPC" ;;
458 arm*-*) host_arch="ARM" ;;
459 aarch64*-*) host_arch="AArch64" ;;
460 mips-* | mips64-*) host_arch="Mips" ;;
461 mipsel-* | mips64el-*) host_arch="Mips" ;;
462 xcore-*) host_arch="XCore" ;;
463 msp430-*) host_arch="MSP430" ;;
464 hexagon-*) host_arch="Hexagon" ;;
465 s390x-*) host_arch="SystemZ" ;;
466 *) host_arch="Unknown" ;;
469 if test "$host_arch" = "Unknown" ; then
470 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
473 AC_SUBST(HOST_ARCH,$host_arch)
475 dnl Check for build platform executable suffix if we're cross-compiling
476 if test "$cross_compiling" = yes; then
477 AC_SUBST(LLVM_CROSS_COMPILING, [1])
479 ac_build_prefix=${build_alias}-
480 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
481 if test -z "$BUILD_CXX"; then
482 AC_CHECK_PROG(BUILD_CXX, g++, g++)
483 if test -z "$BUILD_CXX"; then
484 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
488 AC_SUBST(LLVM_CROSS_COMPILING, [0])
491 dnl Check to see if there's a .svn or .git directory indicating that this
492 dnl build is being done from a checkout. This sets up several defaults for
493 dnl the command line switches. When we build with a checkout directory,
494 dnl we get a debug with assertions turned on. Without, we assume a source
495 dnl release and we get an optimized build without assertions.
496 dnl See --enable-optimized and --enable-assertions below
497 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
500 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
506 dnl===-----------------------------------------------------------------------===
508 dnl=== SECTION 3: Command line arguments for the configure script.
510 dnl===-----------------------------------------------------------------------===
512 dnl --enable-libcpp : check whether or not to use libc++ on the command line
513 AC_ARG_ENABLE(libcpp,
514 AS_HELP_STRING([--enable-libcpp],
515 [Use libc++ if available (default is NO)]),,
518 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
519 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
520 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
521 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
524 dnl Check both GCC and Clang for sufficiently modern versions. These checks can
525 dnl be bypassed by passing a flag if necessary on a platform. We have to do
526 dnl these checks here so that we have the configuration of the standard C++
527 dnl library finished.
528 AC_ARG_ENABLE(compiler-version-checks,
529 AS_HELP_STRING([--enable-compiler-version-checks],
530 [Check the version of the host compiler (default is YES)]),,
537 case "$llvm_cv_cxx_compiler" in
539 AC_MSG_CHECKING([whether Clang is new enough])
540 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
541 #if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 1)
542 #error This version of Clang is too old to build LLVM
545 [AC_MSG_RESULT([yes])],
548 The selected Clang compiler is not new enough to build LLVM. Please upgrade to
549 Clang 3.1. You may pass --disable-compiler-version-checks to configure to
550 bypass these sanity checks.])])
552 dnl Note that libstdc++4.6 is known broken for C++11 builds. The errors
553 dnl are sometimes deeply confusing though. Here we test for an obvious
554 dnl incomplete feature in 4.6's standard library that was completed in
555 dnl 4.7's. We also have to disable this test if 'ENABLE_LIBCPP' is set
556 dnl because the enable flags don't actually fix CXXFLAGS, they rely on
557 dnl that happening in the Makefile.
558 if test "$ENABLE_LIBCPP" -eq 0 ; then
559 AC_MSG_CHECKING([whether Clang will select a modern C++ standard library])
560 llvm_cv_old_cxxflags="$CXXFLAGS"
561 CXXFLAGS="$CXXFLAGS -std=c++0x"
562 AC_LINK_IFELSE([AC_LANG_SOURCE([[
564 std::atomic<float> x(0.0f);
565 int main() { return (float)x; }
567 [AC_MSG_RESULT([yes])],
570 We detected a missing feature in the standard C++ library that was known to be
571 missing in libstdc++4.6 and implemented in libstdc++4.7. There are numerous
572 C++11 problems with 4.6's library, and we don't support GCCs or libstdc++ older
573 than 4.7. You will need to update your system and ensure Clang uses the newer
576 If this error is incorrect or you need to force things to work, you may pass
577 '--disable-compiler-version-checks' to configure to bypass this test.])])
578 CXXFLAGS="$llvm_cv_old_cxxflags"
582 AC_MSG_CHECKING([whether GCC is new enough])
583 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
584 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
585 #error This version of GCC is too old to build LLVM
588 [AC_MSG_RESULT([yes])],
591 The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade
592 to GCC 4.7. You may pass --disable-compiler-version-checks to configure to
593 bypass these sanity checks.])])
601 AC_MSG_ERROR([Invalid setting for --enable-compiler-version-checks. Use "yes" or "no"])
605 dnl --enable-cxx1y : check whether or not to use -std=c++1y on the command line
607 AS_HELP_STRING([--enable-cxx1y],
608 [Use c++1y if available (default is NO)]),,
611 yes) AC_SUBST(ENABLE_CXX1Y,[1]) ;;
612 no) AC_SUBST(ENABLE_CXX1Y,[0]) ;;
613 default) AC_SUBST(ENABLE_CXX1Y,[0]);;
614 *) AC_MSG_ERROR([Invalid setting for --enable-cxx1y. Use "yes" or "no"]) ;;
617 dnl --enable-fission : check whether or not to use -gsplit-dwarf on the command
619 AC_ARG_ENABLE(split-dwarf,
620 AS_HELP_STRING([--enable-split-dwarf],
621 [Use split-dwarf if available (default is NO)]),,
624 yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;;
625 no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;;
626 default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);;
627 *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;;
630 dnl --enable-clang-arcmt: check whether to enable clang arcmt
632 AC_ARG_ENABLE(clang-arcmt,
633 AS_HELP_STRING([--enable-clang-arcmt],
634 [Enable building of clang ARCMT (default is YES)]),
635 clang_arcmt="$enableval",
638 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
639 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
640 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
641 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
644 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
645 clang_static_analyzer="yes"
646 AC_ARG_ENABLE(clang-static-analyzer,
647 AS_HELP_STRING([--enable-clang-static-analyzer],
648 [Enable building of clang Static Analyzer (default is YES)]),
649 clang_static_analyzer="$enableval",
652 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
654 if test ${clang_arcmt} != "no" ; then
655 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling static analyzer.])
657 AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0])
659 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
660 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
663 dnl --enable-clang-rewriter: check whether to enable clang rewriter
664 AC_ARG_ENABLE(clang-rewriter,
665 AS_HELP_STRING([--enable-clang-rewriter],
666 [Enable building of clang rewriter (default is YES)]),,
669 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;;
671 if test ${clang_arcmt} != "no" ; then
672 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
674 if test ${clang_static_analyzer} != "no" ; then
675 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
677 AC_SUBST(ENABLE_CLANG_REWRITER,[0])
679 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
680 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
683 dnl --enable-optimized : check whether they want to do an optimized build:
684 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
685 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
686 if test ${enableval} = "no" ; then
687 AC_SUBST(ENABLE_OPTIMIZED,[[]])
689 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
692 dnl --enable-profiling : check whether they want to do a profile build:
693 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
694 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
695 if test ${enableval} = "no" ; then
696 AC_SUBST(ENABLE_PROFILING,[[]])
698 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
701 dnl --enable-assertions : check whether they want to turn on assertions or not:
702 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
703 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
704 if test ${enableval} = "yes" ; then
705 AC_SUBST(DISABLE_ASSERTIONS,[[]])
707 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
710 dnl --enable-werror : check whether we want Werror on by default
711 AC_ARG_ENABLE(werror,AS_HELP_STRING(
712 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
714 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
715 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
716 default) AC_SUBST(ENABLE_WERROR,[0]);;
717 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
720 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
721 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
722 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
723 if test ${enableval} = "yes" ; then
724 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
725 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
727 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
728 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
731 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
732 AC_ARG_ENABLE(debug-runtime,
733 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
734 if test ${enableval} = "no" ; then
735 AC_SUBST(DEBUG_RUNTIME,[[]])
737 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
740 dnl --enable-debug-symbols : should even optimized compiler libraries
741 dnl have debug symbols?
742 AC_ARG_ENABLE(debug-symbols,
743 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)
744 if test ${enableval} = "no" ; then
745 AC_SUBST(DEBUG_SYMBOLS,[[]])
747 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
750 dnl --enable-keep-symbols : do not strip installed executables
751 AC_ARG_ENABLE(keep-symbols,
752 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
753 if test ${enableval} = "no" ; then
754 AC_SUBST(KEEP_SYMBOLS,[[]])
756 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
759 dnl --enable-jit: check whether they want to enable the jit
761 AS_HELP_STRING(--enable-jit,
762 [Enable Just In Time Compiling (default is YES)]),,
764 if test ${enableval} = "no"
768 case "$llvm_cv_target_arch" in
769 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
770 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
771 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
772 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
773 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
774 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
775 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
776 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
777 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
778 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
779 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
780 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
781 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
785 TARGETS_WITH_JIT="AArch64 ARM Mips PowerPC SystemZ X86"
786 AC_SUBST(TARGETS_WITH_JIT,$TARGETS_WITH_JIT)
788 dnl Allow enablement of building and installing docs
790 AS_HELP_STRING([--enable-docs],
791 [Build documents (default is YES)]),,
794 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
795 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
796 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
797 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
800 dnl Allow enablement of doxygen generated documentation
801 AC_ARG_ENABLE(doxygen,
802 AS_HELP_STRING([--enable-doxygen],
803 [Build doxygen documentation (default is NO)]),,
806 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
807 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
808 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
809 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
812 dnl Allow disablement of threads
813 AC_ARG_ENABLE(threads,
814 AS_HELP_STRING([--enable-threads],
815 [Use threads if available (default is YES)]),,
818 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
819 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
820 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
821 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
823 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
824 [Define if threads enabled])
826 dnl Allow disablement of pthread.h
827 AC_ARG_ENABLE(pthreads,
828 AS_HELP_STRING([--enable-pthreads],
829 [Use pthreads if available (default is YES)]),,
832 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
833 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
834 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
835 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
838 dnl Allow disablement of zlib
840 AS_HELP_STRING([--enable-zlib],
841 [Use zlib for compression/decompression if
842 available (default is YES)]),,
845 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
846 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
847 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
848 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
850 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
851 [Define if zlib is enabled])
853 dnl Allow building without position independent code
855 AS_HELP_STRING([--enable-pic],
856 [Build LLVM with Position Independent Code (default is YES)]),,
859 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
860 no) AC_SUBST(ENABLE_PIC,[0]) ;;
861 default) AC_SUBST(ENABLE_PIC,[1]) ;;
862 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
864 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
865 [Define if position independent code is enabled])
867 dnl Allow building a shared library and linking tools against it.
868 AC_ARG_ENABLE(shared,
869 AS_HELP_STRING([--enable-shared],
870 [Build a shared library and link tools against it (default is NO)]),,
873 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
874 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
875 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
876 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
879 dnl Allow libstdc++ is embedded in LLVM.dll.
880 AC_ARG_ENABLE(embed-stdcxx,
881 AS_HELP_STRING([--enable-embed-stdcxx],
882 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
885 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
886 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
887 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
888 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
891 dnl Enable embedding timestamp information into build.
892 AC_ARG_ENABLE(timestamps,
893 AS_HELP_STRING([--enable-timestamps],
894 [Enable embedding timestamp information in build (default is YES)]),,
897 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
898 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
899 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
900 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
902 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
903 [Define if timestamp information (e.g., __DATE__) is allowed])
905 dnl Enable support for showing backtraces.
906 AC_ARG_ENABLE(backtraces, AS_HELP_STRING(
907 [--enable-backtraces],
908 [Enable embedding backtraces on crash (default is YES)]),
909 [case "$enableval" in
910 yes) llvm_cv_enable_backtraces="yes" ;;
911 no) llvm_cv_enable_backtraces="no" ;;
912 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
914 llvm_cv_enable_backtraces="yes")
915 if test "$llvm_cv_enable_backtraces" = "yes" ; then
916 AC_DEFINE([ENABLE_BACKTRACES],[1],
917 [Define if you want backtraces on crash])
920 dnl Enable installing platform specific signal handling overrides, for improved
921 dnl CrashRecovery support or interaction with crash reporting software. This
922 dnl support may be inappropriate for some clients embedding LLVM as a library.
923 AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING(
924 [--enable-crash-overrides],
925 [Enable crash handling overrides (default is YES)]),
926 [case "$enableval" in
927 yes) llvm_cv_enable_crash_overrides="yes" ;;
928 no) llvm_cv_enable_crash_overrides="no" ;;
929 *) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;;
931 llvm_cv_enable_crash_overrides="yes")
932 if test "$llvm_cv_enable_crash_overrides" = "yes" ; then
933 AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1],
934 [Define to enable crash handling overrides])
937 dnl List all possible targets
938 ALL_TARGETS="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600"
939 AC_SUBST(ALL_TARGETS,$ALL_TARGETS)
941 dnl Allow specific targets to be specified for building (or not)
943 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
944 [Build specific host targets: all or target1,target2,... Valid targets are:
945 host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon,
946 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
948 if test "$enableval" = host-only ; then
952 all) TARGETS_TO_BUILD="$ALL_TARGETS" ;;
953 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
955 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
956 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
957 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
958 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
959 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
960 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
961 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
962 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
963 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
964 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
965 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
966 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
967 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
968 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
969 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
970 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
971 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
972 host) case "$llvm_cv_target_arch" in
973 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
974 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
975 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
976 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
977 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
978 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
979 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
980 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
981 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
982 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
983 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
984 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
985 *) AC_MSG_ERROR([Can not set target to build]) ;;
987 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
993 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
994 [Build experimental host targets: disable or target1,target2,...
995 (default=disable)]),,
998 if test ${enableval} != "disable"
1000 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
1003 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
1005 dnl Determine whether we are building LLVM support for the native architecture.
1006 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
1007 for a_target in $TARGETS_TO_BUILD; do
1008 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
1009 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
1010 [LLVM architecture name for the native architecture, if available])
1011 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
1012 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
1013 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
1014 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
1015 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1016 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
1018 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1019 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
1021 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
1022 [LLVM name for the native Target init function, if available])
1023 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
1024 [LLVM name for the native TargetInfo init function, if available])
1025 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
1026 [LLVM name for the native target MC init function, if available])
1027 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
1028 [LLVM name for the native AsmPrinter init function, if available])
1029 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1030 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
1031 [LLVM name for the native AsmParser init function, if available])
1033 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1034 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
1035 [LLVM name for the native Disassembler init function, if available])
1040 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
1041 dnl target feature def files.
1042 LLVM_ENUM_TARGETS=""
1043 LLVM_ENUM_ASM_PRINTERS=""
1044 LLVM_ENUM_ASM_PARSERS=""
1045 LLVM_ENUM_DISASSEMBLERS=""
1046 for target_to_build in $TARGETS_TO_BUILD; do
1047 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
1048 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
1049 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
1051 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
1052 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
1054 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
1055 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
1058 AC_SUBST(LLVM_ENUM_TARGETS)
1059 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
1060 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
1061 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
1063 dnl Override the option to use for optimized builds.
1064 AC_ARG_WITH(optimize-option,
1065 AS_HELP_STRING([--with-optimize-option],
1066 [Select the compiler options to use for optimized builds]),,
1068 AC_MSG_CHECKING([optimization flags])
1071 case "$llvm_cv_os_type" in
1072 FreeBSD) optimize_option=-O2 ;;
1073 MingW) optimize_option=-O2 ;;
1074 *) optimize_option=-O3 ;;
1076 *) optimize_option="$withval" ;;
1078 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
1079 AC_MSG_RESULT([$optimize_option])
1081 dnl Specify extra build options
1082 AC_ARG_WITH(extra-options,
1083 AS_HELP_STRING([--with-extra-options],
1084 [Specify additional options to compile LLVM with]),,
1087 default) EXTRA_OPTIONS= ;;
1088 *) EXTRA_OPTIONS=$withval ;;
1090 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
1092 dnl Specify extra linker build options
1093 AC_ARG_WITH(extra-ld-options,
1094 AS_HELP_STRING([--with-extra-ld-options],
1095 [Specify additional options to link LLVM with]),,
1098 default) EXTRA_LD_OPTIONS= ;;
1099 *) EXTRA_LD_OPTIONS=$withval ;;
1101 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
1103 dnl Allow specific bindings to be specified for building (or not)
1104 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
1105 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
1107 BINDINGS_TO_BUILD=""
1108 case "$enableval" in
1109 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
1110 all ) BINDINGS_TO_BUILD="ocaml" ;;
1111 none | no) BINDINGS_TO_BUILD="" ;;
1112 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
1113 case "$a_binding" in
1114 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
1115 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
1121 dnl Allow the ocaml libdir to be overridden. This could go in a configure
1122 dnl script for bindings/ocaml/configure, except that its auto value depends on
1123 dnl OCAMLC, which is found here to support tests.
1124 AC_ARG_WITH([ocaml-libdir],
1125 [AS_HELP_STRING([--with-ocaml-libdir],
1126 [Specify install location for ocaml bindings (default is stdlib)])],
1130 auto) with_ocaml_libdir="$withval" ;;
1131 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
1132 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
1135 AC_ARG_WITH(clang-srcdir,
1136 AS_HELP_STRING([--with-clang-srcdir],
1137 [Directory to the out-of-tree Clang source]),,
1140 -) clang_src_root="" ;;
1141 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
1142 *) clang_src_root="$ac_pwd/$withval" ;;
1144 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1146 AC_ARG_WITH(clang-resource-dir,
1147 AS_HELP_STRING([--with-clang-resource-dir],
1148 [Relative directory from the Clang binary for resource files]),,
1150 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1151 [Relative directory for resource files])
1153 AC_ARG_WITH(c-include-dirs,
1154 AS_HELP_STRING([--with-c-include-dirs],
1155 [Colon separated list of directories clang will search for headers]),,
1157 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1158 [Directories clang will search for headers])
1160 # Clang normally uses the system c++ headers and libraries. With this option,
1161 # clang will use the ones provided by a gcc installation instead. This option should
1162 # be passed the same value that was used with --prefix when configuring gcc.
1163 AC_ARG_WITH(gcc-toolchain,
1164 AS_HELP_STRING([--with-gcc-toolchain],
1165 [Directory where gcc is installed.]),,
1167 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1168 [Directory where gcc is installed.])
1170 AC_ARG_WITH(default-sysroot,
1171 AS_HELP_STRING([--with-default-sysroot],
1172 [Add --sysroot=<path> to all compiler invocations.]),,
1174 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1175 [Default <path> to all compiler invocations for --sysroot=<path>.])
1177 dnl Allow linking of LLVM with GPLv3 binutils code.
1178 AC_ARG_WITH(binutils-include,
1179 AS_HELP_STRING([--with-binutils-include],
1180 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1183 default) WITH_BINUTILS_INCDIR=default ;;
1184 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1185 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1187 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1188 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1189 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1190 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1191 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1195 dnl Specify the URL where bug reports should be submitted.
1196 AC_ARG_WITH(bug-report-url,
1197 AS_HELP_STRING([--with-bug-report-url],
1198 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1199 withval="http://llvm.org/bugs/")
1200 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1203 dnl --enable-terminfo: check whether the user wants to control use of terminfo:
1204 AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
1205 [--enable-terminfo],
1206 [Query the terminfo database if available (default is YES)]),
1207 [case "$enableval" in
1208 yes) llvm_cv_enable_terminfo="yes" ;;
1209 no) llvm_cv_enable_terminfo="no" ;;
1210 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
1212 llvm_cv_enable_terminfo="yes")
1213 case "$llvm_cv_enable_terminfo" in
1214 yes) AC_SUBST(ENABLE_TERMINFO,[1]) ;;
1215 no) AC_SUBST(ENABLE_TERMINFO,[0]) ;;
1218 dnl --enable-libedit: check whether the user wants to turn off libedit.
1219 AC_ARG_ENABLE(libedit,AS_HELP_STRING(
1221 [Use libedit if available (default is YES)]),
1222 [case "$enableval" in
1223 yes) llvm_cv_enable_libedit="yes" ;;
1224 no) llvm_cv_enable_libedit="no" ;;
1225 *) AC_MSG_ERROR([Invalid setting for --enable-libedit. Use "yes" or "no"]) ;;
1227 llvm_cv_enable_libedit="yes")
1229 dnl --enable-libffi : check whether the user wants to turn off libffi:
1230 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1231 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1232 [case "$enableval" in
1233 yes) llvm_cv_enable_libffi="yes" ;;
1234 no) llvm_cv_enable_libffi="no" ;;
1235 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1237 llvm_cv_enable_libffi=no)
1239 AC_ARG_WITH(internal-prefix,
1240 AS_HELP_STRING([--with-internal-prefix],
1241 [Installation directory for internal files]),,
1243 AC_SUBST(INTERNAL_PREFIX,[$withval])
1245 dnl===-----------------------------------------------------------------------===
1247 dnl=== SECTION 4: Check for programs we need and that they are the right version
1249 dnl===-----------------------------------------------------------------------===
1251 dnl Check for the tools that the makefiles require
1254 AC_PATH_PROG(NM, [nm], [nm])
1255 AC_PATH_PROG(CMP, [cmp], [cmp])
1256 AC_PATH_PROG(CP, [cp], [cp])
1257 AC_PATH_PROG(DATE, [date], [date])
1258 AC_PATH_PROG(FIND, [find], [find])
1259 AC_PATH_PROG(GREP, [grep], [grep])
1260 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1261 AC_PATH_PROG(MV, [mv], [mv])
1263 AC_CHECK_TOOL(AR, ar, false)
1264 AC_PATH_PROG(RM, [rm], [rm])
1265 AC_PATH_PROG(SED, [sed], [sed])
1266 AC_PATH_PROG(TAR, [tar], [gtar])
1267 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1269 dnl Looking for misc. graph plotting software
1270 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
1271 if test "$GRAPHVIZ" != "echo Graphviz" ; then
1272 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
1273 dnl If we're targeting for mingw we should emit windows paths, not msys
1274 if test "$llvm_cv_os_type" = "MingW" ; then
1275 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1277 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1278 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1280 AC_PATH_PROG(DOT, [dot], [echo dot])
1281 if test "$DOT" != "echo dot" ; then
1282 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1283 dnl If we're targeting for mingw we should emit windows paths, not msys
1284 if test "$llvm_cv_os_type" = "MingW" ; then
1285 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1287 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1288 [Define to path to dot program if found or 'echo dot' otherwise])
1290 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1291 if test "$FDP" != "echo fdp" ; then
1292 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1293 dnl If we're targeting for mingw we should emit windows paths, not msys
1294 if test "$llvm_cv_os_type" = "MingW" ; then
1295 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1297 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1298 [Define to path to fdp program if found or 'echo fdp' otherwise])
1300 AC_PATH_PROG(NEATO, [neato], [echo neato])
1301 if test "$NEATO" != "echo neato" ; then
1302 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1303 dnl If we're targeting for mingw we should emit windows paths, not msys
1304 if test "$llvm_cv_os_type" = "MingW" ; then
1305 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1307 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1308 [Define to path to neato program if found or 'echo neato' otherwise])
1310 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1311 if test "$TWOPI" != "echo twopi" ; then
1312 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1313 dnl If we're targeting for mingw we should emit windows paths, not msys
1314 if test "$llvm_cv_os_type" = "MingW" ; then
1315 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1317 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1318 [Define to path to twopi program if found or 'echo twopi' otherwise])
1320 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1321 if test "$CIRCO" != "echo circo" ; then
1322 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1323 dnl If we're targeting for mingw we should emit windows paths, not msys
1324 if test "$llvm_cv_os_type" = "MingW" ; then
1325 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1327 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1328 [Define to path to circo program if found or 'echo circo' otherwise])
1330 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1331 if test "$GV" != "echo gv" ; then
1332 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1333 dnl If we're targeting for mingw we should emit windows paths, not msys
1334 if test "$llvm_cv_os_type" = "MingW" ; then
1335 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1337 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1338 [Define to path to gv program if found or 'echo gv' otherwise])
1340 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1341 if test "$DOTTY" != "echo dotty" ; then
1342 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1343 dnl If we're targeting for mingw we should emit windows paths, not msys
1344 if test "$llvm_cv_os_type" = "MingW" ; then
1345 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1347 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1348 [Define to path to dotty program if found or 'echo dotty' otherwise])
1350 AC_PATH_PROGS(XDOT, [xdot xdot.py], [echo xdot])
1351 if test "$XDOT" != "echo xdot" ; then
1352 AC_DEFINE([HAVE_XDOT],[1],[Define if the xdot program is available])
1353 dnl If we're targeting for mingw we should emit windows paths, not msys
1354 if test "$llvm_cv_os_type" = "MingW" ; then
1355 XDOT=`echo $XDOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1357 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT],"$XDOT${EXEEXT}",
1358 [Define to path to xdot program if found or 'echo xdot' otherwise])
1361 dnl Find the install program
1363 dnl Prepend src dir to install path dir if it's a relative path
1364 dnl This is a hack for installs that take place in something other
1365 dnl than the top level.
1367 [[\\/$]]* | ?:[[\\/]]* ) ;;
1368 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1371 dnl Checks for documentation and testing tools that we can do without. If these
1372 dnl are not found then they are set to "true" which always succeeds but does
1373 dnl nothing. This just lets the build output show that we could have done
1374 dnl something if the tool was available.
1375 AC_PATH_PROG(BZIP2, [bzip2])
1376 AC_PATH_PROG(CAT, [cat])
1377 AC_PATH_PROG(DOXYGEN, [doxygen])
1378 AC_PATH_PROG(GROFF, [groff])
1379 AC_PATH_PROG(GZIPBIN, [gzip])
1380 AC_PATH_PROG(PDFROFF, [pdfroff])
1381 AC_PATH_PROG(ZIP, [zip])
1382 AC_PATH_PROGS(OCAMLC, [ocamlc])
1383 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1384 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1385 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1386 AC_PATH_PROGS(GAS, [gas as])
1388 dnl Get the version of the linker in use.
1391 dnl Determine whether the linker supports the -R option.
1394 dnl Determine whether the compiler supports the -rdynamic option.
1395 AC_LINK_EXPORT_DYNAMIC
1397 dnl Determine whether the linker supports the --version-script option.
1398 AC_LINK_VERSION_SCRIPT
1400 AC_CHECK_HEADERS([errno.h])
1402 case "$llvm_cv_os_type" in
1403 Cygwin|MingW|Win32) llvm_shlib_ext=.dll ;;
1404 Darwin) llvm_shlib_ext=.dylib ;;
1405 *) llvm_shlib_ext=.so ;;
1408 AC_DEFINE_UNQUOTED([LTDL_SHLIB_EXT], ["$llvm_shlib_ext"], [The shared library extension])
1410 AC_MSG_CHECKING([tool compatibility])
1412 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1413 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1414 dnl to support those options.
1415 dnl "icc" emits gcc signatures
1416 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1428 if test "$GCC" != "yes" && test "$ICC" != "yes"
1430 AC_MSG_ERROR([gcc|icc required but not found])
1433 dnl Ensure that compilation tools are compatible with GCC extensions
1434 if test "$GXX" != "yes" && test "$IXX" != "yes"
1436 AC_MSG_ERROR([g++|clang++|icc required but not found])
1439 dnl Verify that GCC is version 3.0 or higher
1440 if test "$GCC" = "yes"
1445 #if !defined(__GNUC__) || __GNUC__ < 3
1446 #error Unsupported GCC version
1450 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1453 dnl Check for GNU Make. We use its extensions, so don't build without it
1454 if test -z "$llvm_cv_gnu_make_command"
1456 AC_MSG_ERROR([GNU Make required but not found])
1459 dnl Tool compatibility is okay if we make it here.
1462 dnl Check optional compiler flags.
1463 AC_MSG_CHECKING([optional compiler flags])
1464 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1465 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1466 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1468 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1469 dnl false positives, so disable it.
1471 NO_MAYBE_UNINITIALIZED=
1472 if test "$GXX" = "yes"
1474 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1475 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1476 dnl known to be uninitialized from cases which might be uninitialized. We
1477 dnl still want to catch the first kind of errors.
1478 if test -z "$NO_MAYBE_UNINITIALIZED"
1480 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1483 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
1485 AC_ARG_WITH([python],
1486 [AS_HELP_STRING([--with-python], [path to python])],
1487 [PYTHON="$withval"])
1489 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1490 AC_MSG_CHECKING([for python])
1491 AC_MSG_RESULT([user defined: $with_python])
1493 if test -n "$PYTHON" ; then
1494 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1497 AC_PATH_PROG([PYTHON], [python python2 python26],
1498 [AC_MSG_RESULT([not found])
1499 AC_MSG_ERROR([could not find python 2.5 or higher])])
1502 AC_MSG_CHECKING([for python >= 2.5])
1503 ac_python_version=`$PYTHON -V 2>&1 | cut -d' ' -f2`
1504 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1505 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1506 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1507 if test "$ac_python_version_major" -gt "2" || \
1508 (test "$ac_python_version_major" -eq "2" && \
1509 test "$ac_python_version_minor" -ge "5") ; then
1510 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1512 AC_MSG_RESULT([not found])
1513 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5])
1516 dnl===-----------------------------------------------------------------------===
1518 dnl=== SECTION 5: Check for libraries
1520 dnl===-----------------------------------------------------------------------===
1523 if test "$llvm_cv_os_type" = "MingW" ; then
1524 AC_CHECK_LIB(imagehlp, main)
1525 AC_CHECK_LIB(psapi, main)
1526 AC_CHECK_LIB(shell32, main)
1529 dnl dlopen() is required for plugin support.
1530 AC_SEARCH_LIBS(dlopen,dl,LLVM_DEFINE_SUBST([HAVE_DLOPEN],[1],
1531 [Define if dlopen() is available on this platform.]),
1532 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1534 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1535 dnl macros to detect whether clock_gettime is available, this just finds the
1536 dnl right libraries to link with.
1537 AC_SEARCH_LIBS(clock_gettime,rt)
1539 dnl The curses library is optional; used for querying terminal info
1540 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1541 dnl We need the has_color functionality in curses for it to be useful.
1542 AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw,
1543 LLVM_DEFINE_SUBST([HAVE_TERMINFO],[1],
1544 [Define if the setupterm() function is supported this platform.]))
1547 dnl The libedit library is optional; used by lib/LineEditor
1548 if test "$llvm_cv_enable_libedit" = "yes" ; then
1549 AC_SEARCH_LIBS(el_init,edit,
1550 AC_DEFINE([HAVE_LIBEDIT],[1],
1551 [Define if libedit is available on this platform.]))
1554 dnl libffi is optional; used to call external functions from the interpreter
1555 if test "$llvm_cv_enable_libffi" = "yes" ; then
1556 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1557 [Define if libffi is available on this platform.]),
1558 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1561 dnl mallinfo is optional; the code can compile (minus features) without it
1562 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1563 [Define if mallinfo() is available on this platform.]))
1565 dnl pthread locking functions are optional - but llvm will not be thread-safe
1567 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1568 AC_CHECK_LIB(pthread, pthread_mutex_init)
1569 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1570 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1571 [Have pthread_mutex_lock]))
1572 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1573 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1574 [Have pthread_rwlock_init]))
1575 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1576 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1577 [Have pthread_getspecific]))
1580 dnl zlib is optional; used for compression/uncompression
1581 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1582 AC_CHECK_LIB(z, compress2)
1585 dnl Allow extra x86-disassembler library
1587 AS_HELP_STRING([--with-udis86=<path>],
1588 [Use udis86 external x86 disassembler library]),
1590 AC_SUBST(USE_UDIS86, [1])
1593 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1595 AC_CHECK_LIB(udis86, ud_init, [], [
1596 echo "Error! You need to have libudis86 around."
1600 AC_SUBST(USE_UDIS86, [0]))
1601 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1602 [Define if use udis86 library])
1604 dnl Allow OProfile support for JIT output.
1605 AC_ARG_WITH(oprofile,
1606 AS_HELP_STRING([--with-oprofile=<prefix>],
1607 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1609 AC_SUBST(USE_OPROFILE, [1])
1611 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1613 AC_SUBST(USE_OPROFILE, [0]) ;;
1614 *) llvm_cv_oppath="${withval}/lib/oprofile"
1615 CPPFLAGS="-I${withval}/include";;
1617 case $llvm_cv_os_type in
1619 if test -n "$llvm_cv_oppath" ; then
1620 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1621 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1622 dnl libbfd is not included properly in libopagent in some Debian
1623 dnl versions. If libbfd isn't found at all, we assume opagent works
1625 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1626 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1627 echo "Error! You need to have libopagent around."
1630 AC_CHECK_HEADER([opagent.h], [], [
1631 echo "Error! You need to have opagent.h around."
1636 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1640 AC_SUBST(USE_OPROFILE, [0])
1642 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1643 [Define if we have the oprofile JIT-support library])
1645 dnl Enable support for Intel JIT Events API.
1646 AC_ARG_WITH(intel-jitevents,
1647 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1650 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1651 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1652 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1655 case $llvm_cv_os_type in
1656 Linux|Win32|Cygwin|MingW) ;;
1657 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1660 case "$llvm_cv_target_arch" in
1662 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1666 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1668 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1669 [Define if we have the Intel JIT API runtime support library])
1671 dnl Check for libxml2
1672 dnl Right now we're just checking for the existence, we could also check for a
1673 dnl particular version via --version on xml2-config
1674 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1676 AC_MSG_CHECKING(for libxml2 includes)
1677 if test "x$XML2CONFIG" = "x"; then
1678 AC_MSG_RESULT(xml2-config not found)
1680 LIBXML2_INC=`$XML2CONFIG --cflags`
1681 AC_MSG_RESULT($LIBXML2_INC)
1682 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1683 LIBXML2_LIBS="-lxml2"])
1685 AC_SUBST(LIBXML2_LIBS)
1686 AC_SUBST(LIBXML2_INC)
1688 dnl===-----------------------------------------------------------------------===
1690 dnl=== SECTION 6: Check for header files
1692 dnl===-----------------------------------------------------------------------===
1694 dnl First, use autoconf provided macros for specific headers that we need
1695 dnl We don't check for ancient stuff or things that are guaranteed to be there
1696 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1697 dnl Generally we're looking for POSIX headers.
1699 AC_HEADER_MMAP_ANONYMOUS
1705 AC_CHECK_HEADERS([cxxabi.h])
1707 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
1708 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1709 AC_CHECK_HEADERS([utime.h])
1710 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1711 AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
1712 AC_CHECK_HEADERS([valgrind/valgrind.h])
1713 AC_CHECK_HEADERS([fenv.h])
1714 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1715 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1716 AC_CHECK_HEADERS(pthread.h,
1717 AC_SUBST(HAVE_PTHREAD, 1),
1718 AC_SUBST(HAVE_PTHREAD, 0))
1720 AC_SUBST(HAVE_PTHREAD, 0)
1722 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1723 AC_CHECK_HEADERS(zlib.h,
1724 AC_SUBST(HAVE_LIBZ, 1),
1725 AC_SUBST(HAVE_LIBZ, 0))
1727 AC_SUBST(HAVE_LIBZ, 0)
1730 dnl Try to find ffi.h.
1731 if test "$llvm_cv_enable_libffi" = "yes" ; then
1732 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1735 dnl Try to find Darwin specific crash reporting libraries.
1736 AC_CHECK_HEADERS([CrashReporterClient.h])
1738 dnl Try to find Darwin specific crash reporting global.
1739 AC_MSG_CHECKING([__crashreporter_info__])
1743 extern const char *__crashreporter_info__;
1745 __crashreporter_info__ = "test";
1751 AC_MSG_RESULT([yes])
1752 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1756 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1759 dnl===-----------------------------------------------------------------------===
1761 dnl=== SECTION 7: Check for types and structures
1763 dnl===-----------------------------------------------------------------------===
1768 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1770 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1771 AC_CHECK_TYPES([uint64_t],,
1772 AC_CHECK_TYPES([u_int64_t],,
1773 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1775 dnl===-----------------------------------------------------------------------===
1777 dnl=== SECTION 8: Check for specific functions needed
1779 dnl===-----------------------------------------------------------------------===
1781 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1782 AC_CHECK_FUNCS([powf fmodf strtof round ])
1783 AC_CHECK_FUNCS([log log2 log10 exp exp2])
1784 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1785 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1786 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
1787 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1788 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1789 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1790 AC_CHECK_FUNCS([futimes futimens])
1794 dnl Check for arc4random accessible via AC_INCLUDES_DEFAULT.
1795 AC_CHECK_DECLS([arc4random])
1797 dnl Check the declaration "Secure API" on Windows environments.
1798 AC_CHECK_DECLS([strerror_s])
1800 dnl Check symbols in libgcc.a for JIT on Mingw.
1801 if test "$llvm_cv_os_type" = "MingW" ; then
1802 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1803 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1804 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1805 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1807 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1808 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1809 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1810 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1811 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1812 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1813 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1814 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1815 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1816 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1818 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1819 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1822 dnl Check Win32 API EnumerateLoadedModules.
1823 if test "$llvm_cv_os_type" = "MingW" ; then
1824 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1828 #include <windows.h>
1829 #include <imagehlp.h>
1830 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1831 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1835 AC_MSG_RESULT([yes])
1836 llvm_cv_win32_elmcb_pcstr="PCSTR"
1840 llvm_cv_win32_elmcb_pcstr="PSTR"
1842 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1845 dnl Check for variations in the Standard C++ library and STL. These macros are
1846 dnl provided by LLVM in the autoconf/m4 directory.
1850 dnl Check for mmap support.We also need to know if /dev/zero is required to
1851 dnl be opened for allocating RWX memory.
1852 dnl Make sure we aren't attempting to configure for an unknown system
1853 if test "$llvm_cv_platform_type" = "Unix" ; then
1856 AC_NEED_DEV_ZERO_FOR_MMAP
1858 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1860 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1862 if test "$ac_cv_func_mmap_file" = "no"
1864 AC_MSG_WARN([mmap() of files required but not found])
1868 dnl atomic builtins are required for threading support.
1869 AC_MSG_CHECKING(for GCC atomic builtins)
1870 dnl Since we'll be using these atomic builtins in C++ files we should test
1871 dnl the C++ compiler.
1877 volatile unsigned long val = 1;
1878 __sync_synchronize();
1879 __sync_val_compare_and_swap(&val, 1, 0);
1880 __sync_add_and_fetch(&val, 1);
1881 __sync_sub_and_fetch(&val, 1);
1887 AC_MSG_RESULT([yes])
1888 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1892 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1893 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1897 dnl===-----------------------------------------------------------------------===
1899 dnl=== SECTION 9: Additional checks, variables, etc.
1901 dnl===-----------------------------------------------------------------------===
1903 dnl Handle 32-bit linux systems running a 64-bit kernel.
1904 dnl This has to come after section 4 because it invokes the compiler.
1905 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1907 if test "$llvm_cv_linux_mixed" = "yes"; then
1908 llvm_cv_target_arch="x86"
1913 dnl Check whether __dso_handle is present
1914 AC_CHECK_FUNCS([__dso_handle])
1916 dnl Propagate the shared library extension that the libltdl checks did to
1917 dnl the Makefiles so we can use it there too
1918 AC_SUBST(SHLIBEXT,$llvm_shlib_ext)
1920 dnl Translate the various configuration directories and other basic
1921 dnl information into substitutions that will end up in Makefile.config.in
1922 dnl that these configured values can be used by the makefiles
1923 if test "${prefix}" = "NONE" ; then
1926 eval LLVM_PREFIX="${prefix}";
1927 eval LLVM_BINDIR="${prefix}/bin";
1928 eval LLVM_DATADIR="${prefix}/share/llvm";
1929 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1930 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1931 eval LLVM_INCLUDEDIR="${prefix}/include";
1932 eval LLVM_INFODIR="${prefix}/info";
1933 eval LLVM_MANDIR="${prefix}/man";
1934 LLVM_CONFIGTIME=`date`
1935 AC_SUBST(LLVM_PREFIX)
1936 AC_SUBST(LLVM_BINDIR)
1937 AC_SUBST(LLVM_DATADIR)
1938 AC_SUBST(LLVM_DOCSDIR)
1939 AC_SUBST(LLVM_ETCDIR)
1940 AC_SUBST(LLVM_INCLUDEDIR)
1941 AC_SUBST(LLVM_INFODIR)
1942 AC_SUBST(LLVM_MANDIR)
1943 AC_SUBST(LLVM_CONFIGTIME)
1945 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1946 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1947 LLVM_CONFIGTIME="(timestamp not enabled)"
1950 dnl Place the various directories into the config.h file as #defines so that we
1951 dnl can know about the installation paths within LLVM.
1952 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1953 [Installation prefix directory])
1954 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1955 [Installation directory for binary executables])
1956 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1957 [Installation directory for data files])
1958 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1959 [Installation directory for documentation])
1960 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1961 [Installation directory for config files])
1962 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1963 [Installation directory for include files])
1964 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1965 [Installation directory for .info files])
1966 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1967 [Installation directory for man pages])
1968 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1969 [Time at which LLVM was configured])
1970 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
1971 [Host triple LLVM will be executed on])
1972 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1973 [Target triple LLVM will generate code for by default])
1975 dnl Determine which bindings to build.
1976 if test "$BINDINGS_TO_BUILD" = auto ; then
1977 BINDINGS_TO_BUILD=""
1978 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1979 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1982 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1984 dnl This isn't really configurey, but it avoids having to repeat the list in
1986 AC_SUBST(ALL_BINDINGS,ocaml)
1988 dnl Do any work necessary to ensure that bindings have what they need.
1989 binding_prereqs_failed=0
1990 for a_binding in $BINDINGS_TO_BUILD ; do
1991 case "$a_binding" in
1993 if test "x$OCAMLC" = x ; then
1994 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1995 binding_prereqs_failed=1
1997 if test "x$OCAMLDEP" = x ; then
1998 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1999 binding_prereqs_failed=1
2001 if test "x$OCAMLOPT" = x ; then
2002 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
2003 dnl ocamlopt is optional!
2005 if test "x$with_ocaml_libdir" != xauto ; then
2006 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
2008 ocaml_stdlib="`"$OCAMLC" -where`"
2009 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
2011 # ocaml stdlib is beneath our prefix; use stdlib
2012 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
2014 # ocaml stdlib is outside our prefix; use libdir/ocaml
2015 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
2021 if test "$binding_prereqs_failed" = 1 ; then
2022 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
2025 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
2026 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
2028 dnl Determine linker rpath flag
2029 if test "$llvm_cv_link_use_r" = "yes" ; then
2036 dnl Determine linker rdynamic flag
2037 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
2038 RDYNAMIC="-rdynamic"
2044 dnl===-----------------------------------------------------------------------===
2046 dnl=== SECTION 10: Specify the output files and generate it
2048 dnl===-----------------------------------------------------------------------===
2050 dnl Configure header files
2051 dnl WARNING: dnl If you add or remove any of the following config headers, then
2052 dnl you MUST also update Makefile so that the variable FilesToConfig
2053 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
2054 dnl files can be updated automatically when their *.in sources change.
2055 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
2056 AH_TOP([#ifndef CONFIG_H
2060 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
2061 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
2062 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
2063 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
2064 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
2066 dnl Configure the makefile's configuration data
2067 AC_CONFIG_FILES([Makefile.config])
2069 dnl Configure the RPM spec file for LLVM
2070 AC_CONFIG_FILES([llvm.spec])
2072 dnl Configure doxygen's configuration file
2073 AC_CONFIG_FILES([docs/doxygen.cfg])
2075 dnl Configure clang, if present
2076 if test "${clang_src_root}" = ""; then
2077 clang_src_root="$srcdir/tools/clang"
2079 if test -f ${clang_src_root}/README.txt; then
2080 dnl Use variables to stay under 80 columns.
2081 configh="include/clang/Config/config.h"
2082 doxy="docs/doxygen.cfg"
2083 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
2084 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
2087 dnl OCaml findlib META file
2088 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
2090 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
2091 test "x$program_prefix" = "xNONE" && program_prefix=""
2092 AC_SUBST([program_prefix])
2095 dnl Do special configuration of Makefiles
2096 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
2097 AC_CONFIG_MAKEFILE(Makefile)
2098 AC_CONFIG_MAKEFILE(Makefile.common)
2099 AC_CONFIG_MAKEFILE(examples/Makefile)
2100 AC_CONFIG_MAKEFILE(lib/Makefile)
2101 AC_CONFIG_MAKEFILE(test/Makefile)
2102 AC_CONFIG_MAKEFILE(test/Makefile.tests)
2103 AC_CONFIG_MAKEFILE(unittests/Makefile)
2104 AC_CONFIG_MAKEFILE(tools/Makefile)
2105 AC_CONFIG_MAKEFILE(utils/Makefile)
2106 AC_CONFIG_MAKEFILE(projects/Makefile)
2107 AC_CONFIG_MAKEFILE(bindings/Makefile)
2108 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
2110 dnl Finally, crank out the output