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-split-dwarf : 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="$enableval",
638 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
639 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
640 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
641 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
644 dnl --enable-clang-plugin-support: check whether to enable plugins in clang
645 clang_plugin_support="yes"
646 AC_ARG_ENABLE(clang-plugin-support,
647 AS_HELP_STRING([--enable-clang-plugin-support],
648 [Enable plugin support in clang (default is YES)]),
649 clang_plugin_support="$enableval",
652 yes) AC_SUBST(CLANG_PLUGIN_SUPPORT,[1]) ;;
653 no) AC_SUBST(CLANG_PLUGIN_SUPPORT,[0]) ;;
654 default) AC_SUBST(CLANG_PLUGIN_SUPPORT,[1]);;
655 *) AC_MSG_ERROR([Invalid setting for --enable-clang-plugin-support. Use "yes" or "no"]) ;;
658 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
659 clang_static_analyzer="yes"
660 AC_ARG_ENABLE(clang-static-analyzer,
661 AS_HELP_STRING([--enable-clang-static-analyzer],
662 [Enable building of clang Static Analyzer (default is YES)]),
663 clang_static_analyzer="$enableval",
666 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
668 if test ${clang_arcmt} != "no" ; then
669 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling static analyzer.])
671 AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0])
673 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
674 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
677 dnl --enable-clang-rewriter: check whether to enable clang rewriter
678 AC_ARG_ENABLE(clang-rewriter,
679 AS_HELP_STRING([--enable-clang-rewriter],
680 [Enable building of clang rewriter (default is YES)]),,
683 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;;
685 if test ${clang_arcmt} != "no" ; then
686 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
688 if test ${clang_static_analyzer} != "no" ; then
689 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
691 AC_SUBST(ENABLE_CLANG_REWRITER,[0])
693 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
694 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
697 dnl --enable-optimized : check whether they want to do an optimized build:
698 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
699 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
700 if test ${enableval} = "no" ; then
701 AC_SUBST(ENABLE_OPTIMIZED,[[]])
703 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
706 dnl --enable-profiling : check whether they want to do a profile build:
707 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
708 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
709 if test ${enableval} = "no" ; then
710 AC_SUBST(ENABLE_PROFILING,[[]])
712 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
715 dnl --enable-assertions : check whether they want to turn on assertions or not:
716 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
717 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
718 if test ${enableval} = "yes" ; then
719 AC_SUBST(DISABLE_ASSERTIONS,[[]])
721 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
724 dnl --enable-werror : check whether we want Werror on by default
725 AC_ARG_ENABLE(werror,AS_HELP_STRING(
726 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
728 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
729 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
730 default) AC_SUBST(ENABLE_WERROR,[0]);;
731 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
734 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
735 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
736 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
737 if test ${enableval} = "yes" ; then
738 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
739 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
741 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
742 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
745 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
746 AC_ARG_ENABLE(debug-runtime,
747 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
748 if test ${enableval} = "no" ; then
749 AC_SUBST(DEBUG_RUNTIME,[[]])
751 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
754 dnl --enable-debug-symbols : should even optimized compiler libraries
755 dnl have debug symbols?
756 AC_ARG_ENABLE(debug-symbols,
757 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)
758 if test ${enableval} = "no" ; then
759 AC_SUBST(DEBUG_SYMBOLS,[[]])
761 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
764 dnl --enable-keep-symbols : do not strip installed executables
765 AC_ARG_ENABLE(keep-symbols,
766 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
767 if test ${enableval} = "no" ; then
768 AC_SUBST(KEEP_SYMBOLS,[[]])
770 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
773 dnl --enable-jit: check whether they want to enable the jit
775 AS_HELP_STRING(--enable-jit,
776 [Enable Just In Time Compiling (default is YES)]),,
778 if test ${enableval} = "no"
782 case "$llvm_cv_target_arch" in
783 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
784 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
785 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
786 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
787 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
788 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
789 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
790 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
791 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
792 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
793 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
794 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
795 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
799 TARGETS_WITH_JIT="AArch64 ARM Mips PowerPC SystemZ X86"
800 AC_SUBST(TARGETS_WITH_JIT,$TARGETS_WITH_JIT)
802 dnl Allow enablement of building and installing docs
804 AS_HELP_STRING([--enable-docs],
805 [Build documents (default is YES)]),,
808 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
809 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
810 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
811 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
814 dnl Allow enablement of doxygen generated documentation
815 AC_ARG_ENABLE(doxygen,
816 AS_HELP_STRING([--enable-doxygen],
817 [Build doxygen documentation (default is NO)]),,
820 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
821 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
822 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
823 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
826 dnl Allow disablement of threads
827 AC_ARG_ENABLE(threads,
828 AS_HELP_STRING([--enable-threads],
829 [Use threads if available (default is YES)]),,
832 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
833 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
834 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
835 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
837 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
838 [Define if threads enabled])
840 dnl Allow disablement of pthread.h
841 AC_ARG_ENABLE(pthreads,
842 AS_HELP_STRING([--enable-pthreads],
843 [Use pthreads if available (default is YES)]),,
846 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
847 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
848 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
849 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
852 dnl Allow disablement of zlib
854 AS_HELP_STRING([--enable-zlib],
855 [Use zlib for compression/decompression if
856 available (default is YES)]),,
859 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
860 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
861 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
862 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
864 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
865 [Define if zlib is enabled])
867 dnl Allow building without position independent code
869 AS_HELP_STRING([--enable-pic],
870 [Build LLVM with Position Independent Code (default is YES)]),,
873 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
874 no) AC_SUBST(ENABLE_PIC,[0]) ;;
875 default) AC_SUBST(ENABLE_PIC,[1]) ;;
876 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
878 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
879 [Define if position independent code is enabled])
881 dnl Allow building a shared library and linking tools against it.
882 AC_ARG_ENABLE(shared,
883 AS_HELP_STRING([--enable-shared],
884 [Build a shared library and link tools against it (default is NO)]),,
887 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
888 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
889 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
890 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
893 dnl Allow libstdc++ is embedded in LLVM.dll.
894 AC_ARG_ENABLE(embed-stdcxx,
895 AS_HELP_STRING([--enable-embed-stdcxx],
896 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
899 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
900 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
901 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
902 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
905 dnl Enable embedding timestamp information into build.
906 AC_ARG_ENABLE(timestamps,
907 AS_HELP_STRING([--enable-timestamps],
908 [Enable embedding timestamp information in build (default is YES)]),,
911 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
912 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
913 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
914 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
916 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
917 [Define if timestamp information (e.g., __DATE__) is allowed])
919 dnl Enable support for showing backtraces.
920 AC_ARG_ENABLE(backtraces, AS_HELP_STRING(
921 [--enable-backtraces],
922 [Enable embedding backtraces on crash (default is YES)]),
923 [case "$enableval" in
924 yes) llvm_cv_enable_backtraces="yes" ;;
925 no) llvm_cv_enable_backtraces="no" ;;
926 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
928 llvm_cv_enable_backtraces="yes")
929 if test "$llvm_cv_enable_backtraces" = "yes" ; then
930 AC_DEFINE([ENABLE_BACKTRACES],[1],
931 [Define if you want backtraces on crash])
934 dnl Enable installing platform specific signal handling overrides, for improved
935 dnl CrashRecovery support or interaction with crash reporting software. This
936 dnl support may be inappropriate for some clients embedding LLVM as a library.
937 AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING(
938 [--enable-crash-overrides],
939 [Enable crash handling overrides (default is YES)]),
940 [case "$enableval" in
941 yes) llvm_cv_enable_crash_overrides="yes" ;;
942 no) llvm_cv_enable_crash_overrides="no" ;;
943 *) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;;
945 llvm_cv_enable_crash_overrides="yes")
946 if test "$llvm_cv_enable_crash_overrides" = "yes" ; then
947 AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1],
948 [Define to enable crash handling overrides])
951 dnl List all possible targets
952 ALL_TARGETS="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600"
953 AC_SUBST(ALL_TARGETS,$ALL_TARGETS)
955 dnl Allow specific targets to be specified for building (or not)
957 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
958 [Build specific host targets: all or target1,target2,... Valid targets are:
959 host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon,
960 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
962 if test "$enableval" = host-only ; then
966 all) TARGETS_TO_BUILD="$ALL_TARGETS" ;;
967 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
969 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
970 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
971 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
972 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
973 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
974 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
975 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
976 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
977 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
978 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
979 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
980 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
981 cpp) TARGETS_TO_BUILD="CppBackend $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 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
986 host) case "$llvm_cv_target_arch" in
987 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
988 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
989 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
990 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
991 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
992 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
993 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
994 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
995 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
996 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
997 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
998 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
999 *) AC_MSG_ERROR([Can not set target to build]) ;;
1001 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
1007 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
1008 [Build experimental host targets: disable or target1,target2,...
1009 (default=disable)]),,
1012 if test ${enableval} != "disable"
1014 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
1017 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
1019 dnl Determine whether we are building LLVM support for the native architecture.
1020 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
1021 for a_target in $TARGETS_TO_BUILD; do
1022 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
1023 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
1024 [LLVM architecture name for the native architecture, if available])
1025 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
1026 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
1027 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
1028 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
1029 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1030 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
1032 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1033 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
1035 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
1036 [LLVM name for the native Target init function, if available])
1037 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
1038 [LLVM name for the native TargetInfo init function, if available])
1039 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
1040 [LLVM name for the native target MC init function, if available])
1041 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
1042 [LLVM name for the native AsmPrinter init function, if available])
1043 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1044 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
1045 [LLVM name for the native AsmParser init function, if available])
1047 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1048 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
1049 [LLVM name for the native Disassembler init function, if available])
1054 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
1055 dnl target feature def files.
1056 LLVM_ENUM_TARGETS=""
1057 LLVM_ENUM_ASM_PRINTERS=""
1058 LLVM_ENUM_ASM_PARSERS=""
1059 LLVM_ENUM_DISASSEMBLERS=""
1060 for target_to_build in $TARGETS_TO_BUILD; do
1061 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
1062 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
1063 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
1065 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
1066 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
1068 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
1069 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
1072 AC_SUBST(LLVM_ENUM_TARGETS)
1073 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
1074 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
1075 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
1077 dnl Override the option to use for optimized builds.
1078 AC_ARG_WITH(optimize-option,
1079 AS_HELP_STRING([--with-optimize-option],
1080 [Select the compiler options to use for optimized builds]),,
1082 AC_MSG_CHECKING([optimization flags])
1085 case "$llvm_cv_os_type" in
1086 FreeBSD) optimize_option=-O2 ;;
1087 MingW) optimize_option=-O2 ;;
1088 *) optimize_option=-O3 ;;
1090 *) optimize_option="$withval" ;;
1092 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
1093 AC_MSG_RESULT([$optimize_option])
1095 dnl Specify extra build options
1096 AC_ARG_WITH(extra-options,
1097 AS_HELP_STRING([--with-extra-options],
1098 [Specify additional options to compile LLVM with]),,
1101 default) EXTRA_OPTIONS= ;;
1102 *) EXTRA_OPTIONS=$withval ;;
1104 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
1106 dnl Specify extra linker build options
1107 AC_ARG_WITH(extra-ld-options,
1108 AS_HELP_STRING([--with-extra-ld-options],
1109 [Specify additional options to link LLVM with]),,
1112 default) EXTRA_LD_OPTIONS= ;;
1113 *) EXTRA_LD_OPTIONS=$withval ;;
1115 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
1117 dnl Allow specific bindings to be specified for building (or not)
1118 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
1119 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
1121 BINDINGS_TO_BUILD=""
1122 case "$enableval" in
1123 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
1124 all ) BINDINGS_TO_BUILD="ocaml" ;;
1125 none | no) BINDINGS_TO_BUILD="" ;;
1126 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
1127 case "$a_binding" in
1128 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
1129 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
1135 dnl Allow the ocaml libdir to be overridden. This could go in a configure
1136 dnl script for bindings/ocaml/configure, except that its auto value depends on
1137 dnl OCAMLC, which is found here to support tests.
1138 AC_ARG_WITH([ocaml-libdir],
1139 [AS_HELP_STRING([--with-ocaml-libdir],
1140 [Specify install location for ocaml bindings (default is stdlib)])],
1144 auto) with_ocaml_libdir="$withval" ;;
1145 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
1146 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
1149 AC_ARG_WITH(clang-srcdir,
1150 AS_HELP_STRING([--with-clang-srcdir],
1151 [Directory to the out-of-tree Clang source]),,
1154 -) clang_src_root="" ;;
1155 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
1156 *) clang_src_root="$ac_pwd/$withval" ;;
1158 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1160 AC_ARG_WITH(clang-resource-dir,
1161 AS_HELP_STRING([--with-clang-resource-dir],
1162 [Relative directory from the Clang binary for resource files]),,
1164 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1165 [Relative directory for resource files])
1167 AC_ARG_WITH(c-include-dirs,
1168 AS_HELP_STRING([--with-c-include-dirs],
1169 [Colon separated list of directories clang will search for headers]),,
1171 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1172 [Directories clang will search for headers])
1174 # Clang normally uses the system c++ headers and libraries. With this option,
1175 # clang will use the ones provided by a gcc installation instead. This option should
1176 # be passed the same value that was used with --prefix when configuring gcc.
1177 AC_ARG_WITH(gcc-toolchain,
1178 AS_HELP_STRING([--with-gcc-toolchain],
1179 [Directory where gcc is installed.]),,
1181 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1182 [Directory where gcc is installed.])
1184 AC_ARG_WITH(default-sysroot,
1185 AS_HELP_STRING([--with-default-sysroot],
1186 [Add --sysroot=<path> to all compiler invocations.]),,
1188 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1189 [Default <path> to all compiler invocations for --sysroot=<path>.])
1191 dnl Allow linking of LLVM with GPLv3 binutils code.
1192 AC_ARG_WITH(binutils-include,
1193 AS_HELP_STRING([--with-binutils-include],
1194 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1197 default) WITH_BINUTILS_INCDIR=default ;;
1198 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1199 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1201 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1202 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1203 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1204 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1205 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1209 dnl Specify the URL where bug reports should be submitted.
1210 AC_ARG_WITH(bug-report-url,
1211 AS_HELP_STRING([--with-bug-report-url],
1212 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1213 withval="http://llvm.org/bugs/")
1214 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1217 dnl --enable-terminfo: check whether the user wants to control use of terminfo:
1218 AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
1219 [--enable-terminfo],
1220 [Query the terminfo database if available (default is YES)]),
1221 [case "$enableval" in
1222 yes) llvm_cv_enable_terminfo="yes" ;;
1223 no) llvm_cv_enable_terminfo="no" ;;
1224 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
1226 llvm_cv_enable_terminfo="yes")
1227 case "$llvm_cv_enable_terminfo" in
1228 yes) AC_SUBST(ENABLE_TERMINFO,[1]) ;;
1229 no) AC_SUBST(ENABLE_TERMINFO,[0]) ;;
1232 dnl --enable-libedit: check whether the user wants to turn off libedit.
1233 AC_ARG_ENABLE(libedit,AS_HELP_STRING(
1235 [Use libedit if available (default is YES)]),
1236 [case "$enableval" in
1237 yes) llvm_cv_enable_libedit="yes" ;;
1238 no) llvm_cv_enable_libedit="no" ;;
1239 *) AC_MSG_ERROR([Invalid setting for --enable-libedit. Use "yes" or "no"]) ;;
1241 llvm_cv_enable_libedit="yes")
1243 dnl --enable-libffi : check whether the user wants to turn off libffi:
1244 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1245 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1246 [case "$enableval" in
1247 yes) llvm_cv_enable_libffi="yes" ;;
1248 no) llvm_cv_enable_libffi="no" ;;
1249 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1251 llvm_cv_enable_libffi=no)
1253 AC_ARG_WITH(internal-prefix,
1254 AS_HELP_STRING([--with-internal-prefix],
1255 [Installation directory for internal files]),,
1257 AC_SUBST(INTERNAL_PREFIX,[$withval])
1259 dnl===-----------------------------------------------------------------------===
1261 dnl=== SECTION 4: Check for programs we need and that they are the right version
1263 dnl===-----------------------------------------------------------------------===
1265 dnl Check for the tools that the makefiles require
1268 AC_PATH_PROG(NM, [nm], [nm])
1269 AC_PATH_PROG(CMP, [cmp], [cmp])
1270 AC_PATH_PROG(CP, [cp], [cp])
1271 AC_PATH_PROG(DATE, [date], [date])
1272 AC_PATH_PROG(FIND, [find], [find])
1273 AC_PATH_PROG(GREP, [grep], [grep])
1274 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1275 AC_PATH_PROG(MV, [mv], [mv])
1277 AC_CHECK_TOOL(AR, ar, false)
1278 AC_PATH_PROG(RM, [rm], [rm])
1279 AC_PATH_PROG(SED, [sed], [sed])
1280 AC_PATH_PROG(TAR, [tar], [gtar])
1281 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1283 dnl Looking for misc. graph plotting software
1284 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
1285 if test "$GRAPHVIZ" != "echo Graphviz" ; then
1286 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
1287 dnl If we're targeting for mingw we should emit windows paths, not msys
1288 if test "$llvm_cv_os_type" = "MingW" ; then
1289 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1291 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1292 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1294 AC_PATH_PROG(DOT, [dot], [echo dot])
1295 if test "$DOT" != "echo dot" ; then
1296 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1297 dnl If we're targeting for mingw we should emit windows paths, not msys
1298 if test "$llvm_cv_os_type" = "MingW" ; then
1299 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1301 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1302 [Define to path to dot program if found or 'echo dot' otherwise])
1304 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1305 if test "$FDP" != "echo fdp" ; then
1306 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1307 dnl If we're targeting for mingw we should emit windows paths, not msys
1308 if test "$llvm_cv_os_type" = "MingW" ; then
1309 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1311 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1312 [Define to path to fdp program if found or 'echo fdp' otherwise])
1314 AC_PATH_PROG(NEATO, [neato], [echo neato])
1315 if test "$NEATO" != "echo neato" ; then
1316 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1317 dnl If we're targeting for mingw we should emit windows paths, not msys
1318 if test "$llvm_cv_os_type" = "MingW" ; then
1319 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1321 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1322 [Define to path to neato program if found or 'echo neato' otherwise])
1324 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1325 if test "$TWOPI" != "echo twopi" ; then
1326 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1327 dnl If we're targeting for mingw we should emit windows paths, not msys
1328 if test "$llvm_cv_os_type" = "MingW" ; then
1329 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1331 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1332 [Define to path to twopi program if found or 'echo twopi' otherwise])
1334 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1335 if test "$CIRCO" != "echo circo" ; then
1336 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1337 dnl If we're targeting for mingw we should emit windows paths, not msys
1338 if test "$llvm_cv_os_type" = "MingW" ; then
1339 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1341 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1342 [Define to path to circo program if found or 'echo circo' otherwise])
1344 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1345 if test "$GV" != "echo gv" ; then
1346 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1347 dnl If we're targeting for mingw we should emit windows paths, not msys
1348 if test "$llvm_cv_os_type" = "MingW" ; then
1349 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1351 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1352 [Define to path to gv program if found or 'echo gv' otherwise])
1354 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1355 if test "$DOTTY" != "echo dotty" ; then
1356 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1357 dnl If we're targeting for mingw we should emit windows paths, not msys
1358 if test "$llvm_cv_os_type" = "MingW" ; then
1359 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1361 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1362 [Define to path to dotty program if found or 'echo dotty' otherwise])
1364 AC_PATH_PROGS(XDOT, [xdot xdot.py], [echo xdot])
1365 if test "$XDOT" != "echo xdot" ; then
1366 AC_DEFINE([HAVE_XDOT],[1],[Define if the xdot program is available])
1367 dnl If we're targeting for mingw we should emit windows paths, not msys
1368 if test "$llvm_cv_os_type" = "MingW" ; then
1369 XDOT=`echo $XDOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1371 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT],"$XDOT${EXEEXT}",
1372 [Define to path to xdot program if found or 'echo xdot' otherwise])
1375 dnl Find the install program
1377 dnl Prepend src dir to install path dir if it's a relative path
1378 dnl This is a hack for installs that take place in something other
1379 dnl than the top level.
1381 [[\\/$]]* | ?:[[\\/]]* ) ;;
1382 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1385 dnl Checks for documentation and testing tools that we can do without. If these
1386 dnl are not found then they are set to "true" which always succeeds but does
1387 dnl nothing. This just lets the build output show that we could have done
1388 dnl something if the tool was available.
1389 AC_PATH_PROG(BZIP2, [bzip2])
1390 AC_PATH_PROG(CAT, [cat])
1391 AC_PATH_PROG(DOXYGEN, [doxygen])
1392 AC_PATH_PROG(GROFF, [groff])
1393 AC_PATH_PROG(GZIPBIN, [gzip])
1394 AC_PATH_PROG(PDFROFF, [pdfroff])
1395 AC_PATH_PROG(ZIP, [zip])
1396 AC_PATH_PROGS(OCAMLC, [ocamlc])
1397 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1398 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1399 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1400 AC_PATH_PROGS(GAS, [gas as])
1402 dnl Get the version of the linker in use.
1405 dnl Determine whether the linker supports the -R option.
1408 dnl Determine whether the compiler supports the -rdynamic option.
1409 AC_LINK_EXPORT_DYNAMIC
1411 dnl Determine whether the linker supports the --version-script option.
1412 AC_LINK_VERSION_SCRIPT
1414 AC_CHECK_HEADERS([errno.h])
1416 case "$llvm_cv_os_type" in
1417 Cygwin|MingW|Win32) llvm_shlib_ext=.dll ;;
1418 Darwin) llvm_shlib_ext=.dylib ;;
1419 *) llvm_shlib_ext=.so ;;
1422 AC_DEFINE_UNQUOTED([LTDL_SHLIB_EXT], ["$llvm_shlib_ext"], [The shared library extension])
1424 AC_MSG_CHECKING([tool compatibility])
1426 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1427 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1428 dnl to support those options.
1429 dnl "icc" emits gcc signatures
1430 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1442 if test "$GCC" != "yes" && test "$ICC" != "yes"
1444 AC_MSG_ERROR([gcc|icc required but not found])
1447 dnl Ensure that compilation tools are compatible with GCC extensions
1448 if test "$GXX" != "yes" && test "$IXX" != "yes"
1450 AC_MSG_ERROR([g++|clang++|icc required but not found])
1453 dnl Verify that GCC is version 3.0 or higher
1454 if test "$GCC" = "yes"
1459 #if !defined(__GNUC__) || __GNUC__ < 3
1460 #error Unsupported GCC version
1464 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1467 dnl Check for GNU Make. We use its extensions, so don't build without it
1468 if test -z "$llvm_cv_gnu_make_command"
1470 AC_MSG_ERROR([GNU Make required but not found])
1473 dnl Tool compatibility is okay if we make it here.
1476 dnl Check optional compiler flags.
1477 AC_MSG_CHECKING([optional compiler flags])
1478 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1479 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1480 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1482 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1483 dnl false positives, so disable it.
1485 NO_MAYBE_UNINITIALIZED=
1486 if test "$GXX" = "yes"
1488 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1489 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1490 dnl known to be uninitialized from cases which might be uninitialized. We
1491 dnl still want to catch the first kind of errors.
1492 if test -z "$NO_MAYBE_UNINITIALIZED"
1494 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1497 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
1499 AC_ARG_WITH([python],
1500 [AS_HELP_STRING([--with-python], [path to python])],
1501 [PYTHON="$withval"])
1503 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1504 AC_MSG_CHECKING([for python])
1505 AC_MSG_RESULT([user defined: $with_python])
1507 if test -n "$PYTHON" ; then
1508 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1511 AC_PATH_PROG([PYTHON], [python python2 python26],
1512 [AC_MSG_RESULT([not found])
1513 AC_MSG_ERROR([could not find python 2.5 or higher])])
1516 AC_MSG_CHECKING([for python >= 2.5])
1517 ac_python_version=`$PYTHON -V 2>&1 | cut -d' ' -f2`
1518 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1519 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1520 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1521 if test "$ac_python_version_major" -gt "2" || \
1522 (test "$ac_python_version_major" -eq "2" && \
1523 test "$ac_python_version_minor" -ge "5") ; then
1524 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1526 AC_MSG_RESULT([not found])
1527 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5])
1530 dnl===-----------------------------------------------------------------------===
1532 dnl=== SECTION 5: Check for libraries
1534 dnl===-----------------------------------------------------------------------===
1537 if test "$llvm_cv_os_type" = "MingW" ; then
1538 AC_CHECK_LIB(imagehlp, main)
1539 AC_CHECK_LIB(psapi, main)
1540 AC_CHECK_LIB(shell32, main)
1543 dnl dlopen() is required for plugin support.
1544 AC_SEARCH_LIBS(dlopen,dl,LLVM_DEFINE_SUBST([HAVE_DLOPEN],[1],
1545 [Define if dlopen() is available on this platform.]),
1546 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1548 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1549 dnl macros to detect whether clock_gettime is available, this just finds the
1550 dnl right libraries to link with.
1551 AC_SEARCH_LIBS(clock_gettime,rt)
1553 dnl The curses library is optional; used for querying terminal info
1554 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1555 dnl We need the has_color functionality in curses for it to be useful.
1556 AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw,
1557 LLVM_DEFINE_SUBST([HAVE_TERMINFO],[1],
1558 [Define if the setupterm() function is supported this platform.]))
1561 dnl The libedit library is optional; used by lib/LineEditor
1562 if test "$llvm_cv_enable_libedit" = "yes" ; then
1563 AC_SEARCH_LIBS(el_init,edit,
1564 AC_DEFINE([HAVE_LIBEDIT],[1],
1565 [Define if libedit is available on this platform.]))
1568 dnl libffi is optional; used to call external functions from the interpreter
1569 if test "$llvm_cv_enable_libffi" = "yes" ; then
1570 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1571 [Define if libffi is available on this platform.]),
1572 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1575 dnl mallinfo is optional; the code can compile (minus features) without it
1576 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1577 [Define if mallinfo() is available on this platform.]))
1579 dnl pthread locking functions are optional - but llvm will not be thread-safe
1581 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1582 AC_CHECK_LIB(pthread, pthread_mutex_init)
1583 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1584 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1585 [Have pthread_mutex_lock]))
1586 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1587 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1588 [Have pthread_rwlock_init]))
1589 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1590 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1591 [Have pthread_getspecific]))
1594 dnl zlib is optional; used for compression/uncompression
1595 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1596 AC_CHECK_LIB(z, compress2)
1599 dnl Allow extra x86-disassembler library
1601 AS_HELP_STRING([--with-udis86=<path>],
1602 [Use udis86 external x86 disassembler library]),
1604 AC_SUBST(USE_UDIS86, [1])
1607 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1609 AC_CHECK_LIB(udis86, ud_init, [], [
1610 echo "Error! You need to have libudis86 around."
1614 AC_SUBST(USE_UDIS86, [0]))
1615 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1616 [Define if use udis86 library])
1618 dnl Allow OProfile support for JIT output.
1619 AC_ARG_WITH(oprofile,
1620 AS_HELP_STRING([--with-oprofile=<prefix>],
1621 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1623 AC_SUBST(USE_OPROFILE, [1])
1625 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1627 AC_SUBST(USE_OPROFILE, [0]) ;;
1628 *) llvm_cv_oppath="${withval}/lib/oprofile"
1629 CPPFLAGS="-I${withval}/include";;
1631 case $llvm_cv_os_type in
1633 if test -n "$llvm_cv_oppath" ; then
1634 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1635 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1636 dnl libbfd is not included properly in libopagent in some Debian
1637 dnl versions. If libbfd isn't found at all, we assume opagent works
1639 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1640 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1641 echo "Error! You need to have libopagent around."
1644 AC_CHECK_HEADER([opagent.h], [], [
1645 echo "Error! You need to have opagent.h around."
1650 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1654 AC_SUBST(USE_OPROFILE, [0])
1656 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1657 [Define if we have the oprofile JIT-support library])
1659 dnl Enable support for Intel JIT Events API.
1660 AC_ARG_WITH(intel-jitevents,
1661 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1664 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1665 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1666 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1669 case $llvm_cv_os_type in
1670 Linux|Win32|Cygwin|MingW) ;;
1671 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1674 case "$llvm_cv_target_arch" in
1676 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1680 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1682 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1683 [Define if we have the Intel JIT API runtime support library])
1685 dnl Check for libxml2
1686 dnl Right now we're just checking for the existence, we could also check for a
1687 dnl particular version via --version on xml2-config
1688 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1690 AC_MSG_CHECKING(for libxml2 includes)
1691 if test "x$XML2CONFIG" = "x"; then
1692 AC_MSG_RESULT(xml2-config not found)
1694 LIBXML2_INC=`$XML2CONFIG --cflags`
1695 AC_MSG_RESULT($LIBXML2_INC)
1696 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1697 LIBXML2_LIBS="-lxml2"])
1699 AC_SUBST(LIBXML2_LIBS)
1700 AC_SUBST(LIBXML2_INC)
1702 dnl===-----------------------------------------------------------------------===
1704 dnl=== SECTION 6: Check for header files
1706 dnl===-----------------------------------------------------------------------===
1708 dnl First, use autoconf provided macros for specific headers that we need
1709 dnl We don't check for ancient stuff or things that are guaranteed to be there
1710 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1711 dnl Generally we're looking for POSIX headers.
1713 AC_HEADER_MMAP_ANONYMOUS
1719 AC_CHECK_HEADERS([cxxabi.h])
1721 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
1722 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1723 AC_CHECK_HEADERS([utime.h])
1724 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1725 AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
1726 AC_CHECK_HEADERS([valgrind/valgrind.h])
1727 AC_CHECK_HEADERS([fenv.h])
1728 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1729 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1730 AC_CHECK_HEADERS(pthread.h,
1731 AC_SUBST(HAVE_PTHREAD, 1),
1732 AC_SUBST(HAVE_PTHREAD, 0))
1734 AC_SUBST(HAVE_PTHREAD, 0)
1736 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1737 AC_CHECK_HEADERS(zlib.h,
1738 AC_SUBST(HAVE_LIBZ, 1),
1739 AC_SUBST(HAVE_LIBZ, 0))
1741 AC_SUBST(HAVE_LIBZ, 0)
1744 dnl Try to find ffi.h.
1745 if test "$llvm_cv_enable_libffi" = "yes" ; then
1746 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1749 dnl Try to find Darwin specific crash reporting libraries.
1750 AC_CHECK_HEADERS([CrashReporterClient.h])
1752 dnl Try to find Darwin specific crash reporting global.
1753 AC_MSG_CHECKING([__crashreporter_info__])
1757 extern const char *__crashreporter_info__;
1759 __crashreporter_info__ = "test";
1765 AC_MSG_RESULT([yes])
1766 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1770 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1773 dnl===-----------------------------------------------------------------------===
1775 dnl=== SECTION 7: Check for types and structures
1777 dnl===-----------------------------------------------------------------------===
1782 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1784 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1785 AC_CHECK_TYPES([uint64_t],,
1786 AC_CHECK_TYPES([u_int64_t],,
1787 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1789 dnl===-----------------------------------------------------------------------===
1791 dnl=== SECTION 8: Check for specific functions needed
1793 dnl===-----------------------------------------------------------------------===
1795 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1796 AC_CHECK_FUNCS([powf fmodf strtof round ])
1797 AC_CHECK_FUNCS([log log2 log10 exp exp2])
1798 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1799 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1800 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
1801 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1802 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1803 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1804 AC_CHECK_FUNCS([futimes futimens])
1808 dnl Check for arc4random accessible via AC_INCLUDES_DEFAULT.
1809 AC_CHECK_DECLS([arc4random])
1811 dnl Check the declaration "Secure API" on Windows environments.
1812 AC_CHECK_DECLS([strerror_s])
1814 dnl Check symbols in libgcc.a for JIT on Mingw.
1815 if test "$llvm_cv_os_type" = "MingW" ; then
1816 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1817 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1818 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1819 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1821 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1822 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1823 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1824 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1825 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1826 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1827 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1828 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1829 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1830 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1832 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1833 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1836 dnl Check Win32 API EnumerateLoadedModules.
1837 if test "$llvm_cv_os_type" = "MingW" ; then
1838 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1842 #include <windows.h>
1843 #include <imagehlp.h>
1844 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1845 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1849 AC_MSG_RESULT([yes])
1850 llvm_cv_win32_elmcb_pcstr="PCSTR"
1854 llvm_cv_win32_elmcb_pcstr="PSTR"
1856 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1859 dnl Check for variations in the Standard C++ library and STL. These macros are
1860 dnl provided by LLVM in the autoconf/m4 directory.
1864 dnl Check for mmap support.We also need to know if /dev/zero is required to
1865 dnl be opened for allocating RWX memory.
1866 dnl Make sure we aren't attempting to configure for an unknown system
1867 if test "$llvm_cv_platform_type" = "Unix" ; then
1870 AC_NEED_DEV_ZERO_FOR_MMAP
1872 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1874 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1876 if test "$ac_cv_func_mmap_file" = "no"
1878 AC_MSG_WARN([mmap() of files required but not found])
1882 dnl atomic builtins are required for threading support.
1883 AC_MSG_CHECKING(for GCC atomic builtins)
1884 dnl Since we'll be using these atomic builtins in C++ files we should test
1885 dnl the C++ compiler.
1891 volatile unsigned long val = 1;
1892 __sync_synchronize();
1893 __sync_val_compare_and_swap(&val, 1, 0);
1894 __sync_add_and_fetch(&val, 1);
1895 __sync_sub_and_fetch(&val, 1);
1901 AC_MSG_RESULT([yes])
1902 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1906 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1907 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1911 dnl===-----------------------------------------------------------------------===
1913 dnl=== SECTION 9: Additional checks, variables, etc.
1915 dnl===-----------------------------------------------------------------------===
1917 dnl Handle 32-bit linux systems running a 64-bit kernel.
1918 dnl This has to come after section 4 because it invokes the compiler.
1919 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1921 if test "$llvm_cv_linux_mixed" = "yes"; then
1922 llvm_cv_target_arch="x86"
1927 dnl Check whether __dso_handle is present
1928 AC_CHECK_FUNCS([__dso_handle])
1930 dnl Propagate the shared library extension that the libltdl checks did to
1931 dnl the Makefiles so we can use it there too
1932 AC_SUBST(SHLIBEXT,$llvm_shlib_ext)
1934 dnl Translate the various configuration directories and other basic
1935 dnl information into substitutions that will end up in Makefile.config.in
1936 dnl that these configured values can be used by the makefiles
1937 if test "${prefix}" = "NONE" ; then
1940 eval LLVM_PREFIX="${prefix}";
1941 eval LLVM_BINDIR="${prefix}/bin";
1942 eval LLVM_DATADIR="${prefix}/share/llvm";
1943 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1944 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1945 eval LLVM_INCLUDEDIR="${prefix}/include";
1946 eval LLVM_INFODIR="${prefix}/info";
1947 eval LLVM_MANDIR="${prefix}/man";
1948 LLVM_CONFIGTIME=`date`
1949 AC_SUBST(LLVM_PREFIX)
1950 AC_SUBST(LLVM_BINDIR)
1951 AC_SUBST(LLVM_DATADIR)
1952 AC_SUBST(LLVM_DOCSDIR)
1953 AC_SUBST(LLVM_ETCDIR)
1954 AC_SUBST(LLVM_INCLUDEDIR)
1955 AC_SUBST(LLVM_INFODIR)
1956 AC_SUBST(LLVM_MANDIR)
1957 AC_SUBST(LLVM_CONFIGTIME)
1959 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1960 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1961 LLVM_CONFIGTIME="(timestamp not enabled)"
1964 dnl Place the various directories into the config.h file as #defines so that we
1965 dnl can know about the installation paths within LLVM.
1966 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1967 [Installation prefix directory])
1968 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1969 [Installation directory for binary executables])
1970 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1971 [Installation directory for data files])
1972 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1973 [Installation directory for documentation])
1974 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1975 [Installation directory for config files])
1976 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1977 [Installation directory for include files])
1978 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1979 [Installation directory for .info files])
1980 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1981 [Installation directory for man pages])
1982 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1983 [Time at which LLVM was configured])
1984 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
1985 [Host triple LLVM will be executed on])
1986 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1987 [Target triple LLVM will generate code for by default])
1989 dnl Determine which bindings to build.
1990 if test "$BINDINGS_TO_BUILD" = auto ; then
1991 BINDINGS_TO_BUILD=""
1992 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1993 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1996 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1998 dnl This isn't really configurey, but it avoids having to repeat the list in
2000 AC_SUBST(ALL_BINDINGS,ocaml)
2002 dnl Do any work necessary to ensure that bindings have what they need.
2003 binding_prereqs_failed=0
2004 for a_binding in $BINDINGS_TO_BUILD ; do
2005 case "$a_binding" in
2007 if test "x$OCAMLC" = x ; then
2008 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
2009 binding_prereqs_failed=1
2011 if test "x$OCAMLDEP" = x ; then
2012 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
2013 binding_prereqs_failed=1
2015 if test "x$OCAMLOPT" = x ; then
2016 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
2017 dnl ocamlopt is optional!
2019 if test "x$with_ocaml_libdir" != xauto ; then
2020 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
2022 ocaml_stdlib="`"$OCAMLC" -where`"
2023 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
2025 # ocaml stdlib is beneath our prefix; use stdlib
2026 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
2028 # ocaml stdlib is outside our prefix; use libdir/ocaml
2029 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
2035 if test "$binding_prereqs_failed" = 1 ; then
2036 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
2039 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
2040 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
2042 dnl Determine linker rpath flag
2043 if test "$llvm_cv_link_use_r" = "yes" ; then
2050 dnl Determine linker rdynamic flag
2051 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
2052 RDYNAMIC="-rdynamic"
2058 dnl===-----------------------------------------------------------------------===
2060 dnl=== SECTION 10: Specify the output files and generate it
2062 dnl===-----------------------------------------------------------------------===
2064 dnl Configure header files
2065 dnl WARNING: dnl If you add or remove any of the following config headers, then
2066 dnl you MUST also update Makefile so that the variable FilesToConfig
2067 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
2068 dnl files can be updated automatically when their *.in sources change.
2069 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
2070 AH_TOP([#ifndef CONFIG_H
2074 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
2075 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
2076 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
2077 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
2078 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
2080 dnl Configure the makefile's configuration data
2081 AC_CONFIG_FILES([Makefile.config])
2083 dnl Configure the RPM spec file for LLVM
2084 AC_CONFIG_FILES([llvm.spec])
2086 dnl Configure doxygen's configuration file
2087 AC_CONFIG_FILES([docs/doxygen.cfg])
2089 dnl Configure clang, if present
2090 if test "${clang_src_root}" = ""; then
2091 clang_src_root="$srcdir/tools/clang"
2093 if test -f ${clang_src_root}/README.txt; then
2094 dnl Use variables to stay under 80 columns.
2095 configh="include/clang/Config/config.h"
2096 doxy="docs/doxygen.cfg"
2097 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
2098 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
2101 dnl OCaml findlib META file
2102 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
2104 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
2105 test "x$program_prefix" = "xNONE" && program_prefix=""
2106 AC_SUBST([program_prefix])
2109 dnl Do special configuration of Makefiles
2110 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
2111 AC_CONFIG_MAKEFILE(Makefile)
2112 AC_CONFIG_MAKEFILE(Makefile.common)
2113 AC_CONFIG_MAKEFILE(examples/Makefile)
2114 AC_CONFIG_MAKEFILE(lib/Makefile)
2115 AC_CONFIG_MAKEFILE(test/Makefile)
2116 AC_CONFIG_MAKEFILE(test/Makefile.tests)
2117 AC_CONFIG_MAKEFILE(unittests/Makefile)
2118 AC_CONFIG_MAKEFILE(tools/Makefile)
2119 AC_CONFIG_MAKEFILE(utils/Makefile)
2120 AC_CONFIG_MAKEFILE(projects/Makefile)
2121 AC_CONFIG_MAKEFILE(bindings/Makefile)
2122 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
2124 dnl Finally, crank out the output