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 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
176 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
182 dnl Disable the build of polly, even if it is checked out into tools/polly.
184 AS_HELP_STRING([--enable-polly],
185 [Use polly if available (default is YES)]),,
188 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
189 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
190 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
191 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
195 dnl Check if polly is checked out into tools/polly and configure it if
197 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
198 AC_SUBST(LLVM_HAS_POLLY,1)
199 AC_CONFIG_SUBDIRS([tools/polly])
202 dnl===-----------------------------------------------------------------------===
204 dnl=== SECTION 2: Architecture, target, and host checks
206 dnl===-----------------------------------------------------------------------===
208 dnl Check the target for which we're compiling and the host that will do the
209 dnl compilations. This will tell us which LLVM compiler will be used for
210 dnl compiling SSA into object code. This needs to be done early because
211 dnl following tests depend on it.
214 dnl Determine the platform type and cache its value. This helps us configure
215 dnl the System library to the correct build platform.
216 AC_CACHE_CHECK([type of operating system we're going to host on],
220 llvm_cv_link_all_option="-Wl,--whole-archive"
221 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
222 llvm_cv_os_type="AIX"
223 llvm_cv_platform_type="Unix" ;;
225 llvm_cv_link_all_option="-Wl,--whole-archive"
226 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
227 llvm_cv_os_type="IRIX"
228 llvm_cv_platform_type="Unix" ;;
230 llvm_cv_link_all_option="-Wl,--whole-archive"
231 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
232 llvm_cv_os_type="Cygwin"
233 llvm_cv_platform_type="Unix" ;;
235 llvm_cv_link_all_option="-Wl,-all_load"
236 llvm_cv_no_link_all_option="-Wl,-noall_load"
237 llvm_cv_os_type="Darwin"
238 llvm_cv_platform_type="Unix" ;;
240 llvm_cv_link_all_option="-Wl,-all_load"
241 llvm_cv_no_link_all_option="-Wl,-noall_load"
242 llvm_cv_os_type="Minix"
243 llvm_cv_platform_type="Unix" ;;
245 llvm_cv_link_all_option="-Wl,--whole-archive"
246 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
247 llvm_cv_os_type="FreeBSD"
248 llvm_cv_platform_type="Unix" ;;
250 llvm_cv_link_all_option="-Wl,--whole-archive"
251 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
252 llvm_cv_os_type="GNU/kFreeBSD"
253 llvm_cv_platform_type="Unix" ;;
255 llvm_cv_link_all_option="-Wl,--whole-archive"
256 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
257 llvm_cv_os_type="OpenBSD"
258 llvm_cv_platform_type="Unix" ;;
260 llvm_cv_link_all_option="-Wl,--whole-archive"
261 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
262 llvm_cv_os_type="NetBSD"
263 llvm_cv_platform_type="Unix" ;;
265 llvm_cv_link_all_option="-Wl,--whole-archive"
266 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
267 llvm_cv_os_type="DragonFly"
268 llvm_cv_platform_type="Unix" ;;
270 llvm_cv_link_all_option="-Wl,--whole-archive"
271 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
272 llvm_cv_os_type="HP-UX"
273 llvm_cv_platform_type="Unix" ;;
275 llvm_cv_link_all_option="-Wl,--whole-archive"
276 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
277 llvm_cv_os_type="Interix"
278 llvm_cv_platform_type="Unix" ;;
280 llvm_cv_link_all_option="-Wl,--whole-archive"
281 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
282 llvm_cv_os_type="Linux"
283 llvm_cv_platform_type="Unix" ;;
285 llvm_cv_link_all_option="-Wl,--whole-archive"
286 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
287 llvm_cv_os_type="GNU"
288 llvm_cv_platform_type="Unix" ;;
290 llvm_cv_link_all_option="-Wl,-z,allextract"
291 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
292 llvm_cv_os_type="SunOS"
293 llvm_cv_platform_type="Unix" ;;
295 llvm_cv_link_all_option="-Wl,-z,allextract"
296 llvm_cv_link_all_option="-Wl,-z,defaultextract"
297 llvm_cv_os_type="AuroraUX"
298 llvm_cv_platform_type="Unix" ;;
300 llvm_cv_link_all_option="-Wl,--whole-archive"
301 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
302 llvm_cv_os_type="Win32"
303 llvm_cv_platform_type="Win32" ;;
305 llvm_cv_link_all_option="-Wl,--whole-archive"
306 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
307 llvm_cv_os_type="MingW"
308 llvm_cv_platform_type="Win32" ;;
310 llvm_cv_link_all_option="-Wl,--whole-archive"
311 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
312 llvm_cv_os_type="Haiku"
313 llvm_cv_platform_type="Unix" ;;
315 llvm_cv_link_all_option="-Wl,--whole-archive"
316 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
317 llvm_cv_os_type="Freestanding"
318 llvm_cv_platform_type="Unix" ;;
320 llvm_cv_link_all_option="-Wl,--whole-archive"
321 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
322 llvm_cv_os_type="Freestanding"
323 llvm_cv_platform_type="Unix" ;;
325 llvm_cv_link_all_option=""
326 llvm_cv_no_link_all_option=""
327 llvm_cv_os_type="Unknown"
328 llvm_cv_platform_type="Unknown" ;;
331 AC_CACHE_CHECK([type of operating system we're going to target],
332 [llvm_cv_target_os_type],
335 llvm_cv_target_os_type="AIX" ;;
337 llvm_cv_target_os_type="IRIX" ;;
339 llvm_cv_target_os_type="Cygwin" ;;
341 llvm_cv_target_os_type="Darwin" ;;
343 llvm_cv_target_os_type="Minix" ;;
345 llvm_cv_target_os_type="FreeBSD" ;;
347 llvm_cv_target_os_type="GNU/kFreeBSD" ;;
349 llvm_cv_target_os_type="OpenBSD" ;;
351 llvm_cv_target_os_type="NetBSD" ;;
353 llvm_cv_target_os_type="DragonFly" ;;
355 llvm_cv_target_os_type="HP-UX" ;;
357 llvm_cv_target_os_type="Interix" ;;
359 llvm_cv_target_os_type="Linux" ;;
361 llvm_cv_target_os_type="GNU" ;;
363 llvm_cv_target_os_type="SunOS" ;;
365 llvm_cv_target_os_type="AuroraUX" ;;
367 llvm_cv_target_os_type="Win32" ;;
369 llvm_cv_target_os_type="MingW" ;;
371 llvm_cv_target_os_type="Haiku" ;;
373 llvm_cv_target_os_type="RTEMS" ;;
375 llvm_cv_target_os_type="NativeClient" ;;
377 llvm_cv_target_os_type="Freestanding" ;;
379 llvm_cv_target_os_type="Unknown" ;;
382 dnl Make sure we aren't attempting to configure for an unknown system
383 if test "$llvm_cv_os_type" = "Unknown" ; then
384 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
387 dnl Set the "OS" Makefile variable based on the platform type so the
388 dnl makefile can configure itself to specific build hosts
389 AC_SUBST(OS,$llvm_cv_os_type)
390 AC_SUBST(HOST_OS,$llvm_cv_os_type)
391 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
393 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
394 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
395 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
397 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
398 dnl This is used by lib/Support to determine the basic kind of implementation
400 case $llvm_cv_platform_type in
402 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
403 AC_SUBST(LLVM_ON_UNIX,[1])
404 AC_SUBST(LLVM_ON_WIN32,[0])
407 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
408 AC_SUBST(LLVM_ON_UNIX,[0])
409 AC_SUBST(LLVM_ON_WIN32,[1])
413 dnl Determine what our target architecture is and configure accordingly.
414 dnl This will allow Makefiles to make a distinction between the hardware and
416 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
418 i?86-*) llvm_cv_target_arch="x86" ;;
419 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
420 sparc*-*) llvm_cv_target_arch="Sparc" ;;
421 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
422 arm64*-*) llvm_cv_target_arch="ARM64" ;;
423 arm*-*) llvm_cv_target_arch="ARM" ;;
424 aarch64*-*) llvm_cv_target_arch="AArch64" ;;
425 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
426 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
427 xcore-*) llvm_cv_target_arch="XCore" ;;
428 msp430-*) llvm_cv_target_arch="MSP430" ;;
429 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
430 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
431 s390x-*) llvm_cv_target_arch="SystemZ" ;;
432 *) llvm_cv_target_arch="Unknown" ;;
435 if test "$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 arm64*-*) host_arch="ARM64" ;;
459 arm*-*) host_arch="ARM" ;;
460 aarch64*-*) host_arch="AArch64" ;;
461 mips-* | mips64-*) host_arch="Mips" ;;
462 mipsel-* | mips64el-*) host_arch="Mips" ;;
463 xcore-*) host_arch="XCore" ;;
464 msp430-*) host_arch="MSP430" ;;
465 hexagon-*) host_arch="Hexagon" ;;
466 s390x-*) host_arch="SystemZ" ;;
467 *) host_arch="Unknown" ;;
470 if test "$host_arch" = "Unknown" ; then
471 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
474 AC_SUBST(HOST_ARCH,$host_arch)
476 dnl Check for build platform executable suffix if we're cross-compiling
477 if test "$cross_compiling" = yes; then
478 AC_SUBST(LLVM_CROSS_COMPILING, [1])
480 ac_build_prefix=${build_alias}-
481 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
482 if test -z "$BUILD_CXX"; then
483 AC_CHECK_PROG(BUILD_CXX, g++, g++)
484 if test -z "$BUILD_CXX"; then
485 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
489 AC_SUBST(LLVM_CROSS_COMPILING, [0])
492 dnl Check to see if there's a .svn or .git directory indicating that this
493 dnl build is being done from a checkout. This sets up several defaults for
494 dnl the command line switches. When we build with a checkout directory,
495 dnl we get a debug with assertions turned on. Without, we assume a source
496 dnl release and we get an optimized build without assertions.
497 dnl See --enable-optimized and --enable-assertions below
498 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
501 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
507 dnl===-----------------------------------------------------------------------===
509 dnl=== SECTION 3: Command line arguments for the configure script.
511 dnl===-----------------------------------------------------------------------===
513 dnl --enable-libcpp : check whether or not to use libc++ on the command line
514 AC_ARG_ENABLE(libcpp,
515 AS_HELP_STRING([--enable-libcpp],
516 [Use libc++ if available (default is NO)]),,
519 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
520 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
521 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
522 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
525 dnl Check both GCC and Clang for sufficiently modern versions. These checks can
526 dnl be bypassed by passing a flag if necessary on a platform. We have to do
527 dnl these checks here so that we have the configuration of the standard C++
528 dnl library finished.
529 AC_ARG_ENABLE(compiler-version-checks,
530 AS_HELP_STRING([--enable-compiler-version-checks],
531 [Check the version of the host compiler (default is YES)]),,
538 case "$llvm_cv_cxx_compiler" in
540 AC_MSG_CHECKING([whether Clang is new enough])
541 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
542 #if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 1)
543 #error This version of Clang is too old to build LLVM
546 [AC_MSG_RESULT([yes])],
549 The selected Clang compiler is not new enough to build LLVM. Please upgrade to
550 Clang 3.1. You may pass --disable-compiler-version-checks to configure to
551 bypass these sanity checks.])])
553 dnl Note that libstdc++4.6 is known broken for C++11 builds. The errors
554 dnl are sometimes deeply confusing though. Here we test for an obvious
555 dnl incomplete feature in 4.6's standard library that was completed in
556 dnl 4.7's. We also have to disable this test if 'ENABLE_LIBCPP' is set
557 dnl because the enable flags don't actually fix CXXFLAGS, they rely on
558 dnl that happening in the Makefile.
559 if test "$ENABLE_LIBCPP" -eq 0 ; then
560 AC_MSG_CHECKING([whether Clang will select a modern C++ standard library])
561 llvm_cv_old_cxxflags="$CXXFLAGS"
562 CXXFLAGS="$CXXFLAGS -std=c++0x"
563 AC_LINK_IFELSE([AC_LANG_SOURCE([[
565 std::atomic<float> x(0.0f);
566 int main() { return (float)x; }
568 [AC_MSG_RESULT([yes])],
571 We detected a missing feature in the standard C++ library that was known to be
572 missing in libstdc++4.6 and implemented in libstdc++4.7. There are numerous
573 C++11 problems with 4.6's library, and we don't support GCCs or libstdc++ older
574 than 4.7. You will need to update your system and ensure Clang uses the newer
577 If this error is incorrect or you need to force things to work, you may pass
578 '--disable-compiler-version-checks' to configure to bypass this test.])])
579 CXXFLAGS="$llvm_cv_old_cxxflags"
583 AC_MSG_CHECKING([whether GCC is new enough])
584 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
585 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
586 #error This version of GCC is too old to build LLVM
589 [AC_MSG_RESULT([yes])],
592 The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade
593 to GCC 4.7. You may pass --disable-compiler-version-checks to configure to
594 bypass these sanity checks.])])
602 AC_MSG_ERROR([Invalid setting for --enable-compiler-version-checks. Use "yes" or "no"])
606 dnl --enable-cxx1y : check whether or not to use -std=c++1y on the command line
608 AS_HELP_STRING([--enable-cxx1y],
609 [Use c++1y if available (default is NO)]),,
612 yes) AC_SUBST(ENABLE_CXX1Y,[1]) ;;
613 no) AC_SUBST(ENABLE_CXX1Y,[0]) ;;
614 default) AC_SUBST(ENABLE_CXX1Y,[0]);;
615 *) AC_MSG_ERROR([Invalid setting for --enable-cxx1y. Use "yes" or "no"]) ;;
618 dnl --enable-split-dwarf : check whether or not to use -gsplit-dwarf on the command
620 AC_ARG_ENABLE(split-dwarf,
621 AS_HELP_STRING([--enable-split-dwarf],
622 [Use split-dwarf if available (default is NO)]),,
625 yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;;
626 no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;;
627 default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);;
628 *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;;
631 dnl --enable-clang-arcmt: check whether to enable clang arcmt
633 AC_ARG_ENABLE(clang-arcmt,
634 AS_HELP_STRING([--enable-clang-arcmt],
635 [Enable building of clang ARCMT (default is YES)]),
636 clang_arcmt="$enableval",
639 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
640 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
641 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
642 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
645 dnl --enable-clang-plugin-support: check whether to enable plugins in clang
646 clang_plugin_support="yes"
647 AC_ARG_ENABLE(clang-plugin-support,
648 AS_HELP_STRING([--enable-clang-plugin-support],
649 [Enable plugin support in clang (default is YES)]),
650 clang_plugin_support="$enableval",
653 yes) AC_SUBST(CLANG_PLUGIN_SUPPORT,[1]) ;;
654 no) AC_SUBST(CLANG_PLUGIN_SUPPORT,[0]) ;;
655 default) AC_SUBST(CLANG_PLUGIN_SUPPORT,[1]);;
656 *) AC_MSG_ERROR([Invalid setting for --enable-clang-plugin-support. Use "yes" or "no"]) ;;
659 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
660 clang_static_analyzer="yes"
661 AC_ARG_ENABLE(clang-static-analyzer,
662 AS_HELP_STRING([--enable-clang-static-analyzer],
663 [Enable building of clang Static Analyzer (default is YES)]),
664 clang_static_analyzer="$enableval",
667 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
669 if test ${clang_arcmt} != "no" ; then
670 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling static analyzer.])
672 AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0])
674 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
675 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
678 dnl --enable-clang-rewriter: check whether to enable clang rewriter
679 AC_ARG_ENABLE(clang-rewriter,
680 AS_HELP_STRING([--enable-clang-rewriter],
681 [Enable building of clang rewriter (default is YES)]),,
684 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;;
686 if test ${clang_arcmt} != "no" ; then
687 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
689 if test ${clang_static_analyzer} != "no" ; then
690 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
692 AC_SUBST(ENABLE_CLANG_REWRITER,[0])
694 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
695 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
698 dnl --enable-optimized : check whether they want to do an optimized build:
699 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
700 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
701 if test ${enableval} = "no" ; then
702 AC_SUBST(ENABLE_OPTIMIZED,[[]])
704 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
707 dnl --enable-profiling : check whether they want to do a profile build:
708 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
709 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
710 if test ${enableval} = "no" ; then
711 AC_SUBST(ENABLE_PROFILING,[[]])
713 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
716 dnl --enable-assertions : check whether they want to turn on assertions or not:
717 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
718 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
719 if test ${enableval} = "yes" ; then
720 AC_SUBST(DISABLE_ASSERTIONS,[[]])
722 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
725 dnl --enable-werror : check whether we want Werror on by default
726 AC_ARG_ENABLE(werror,AS_HELP_STRING(
727 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
729 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
730 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
731 default) AC_SUBST(ENABLE_WERROR,[0]);;
732 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
735 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
736 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
737 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
738 if test ${enableval} = "yes" ; then
739 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
740 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
742 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
743 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
746 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
747 AC_ARG_ENABLE(debug-runtime,
748 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
749 if test ${enableval} = "no" ; then
750 AC_SUBST(DEBUG_RUNTIME,[[]])
752 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
755 dnl --enable-debug-symbols : should even optimized compiler libraries
756 dnl have debug symbols?
757 AC_ARG_ENABLE(debug-symbols,
758 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)
759 if test ${enableval} = "no" ; then
760 AC_SUBST(DEBUG_SYMBOLS,[[]])
762 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
765 dnl --enable-keep-symbols : do not strip installed executables
766 AC_ARG_ENABLE(keep-symbols,
767 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
768 if test ${enableval} = "no" ; then
769 AC_SUBST(KEEP_SYMBOLS,[[]])
771 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
774 dnl --enable-jit: check whether they want to enable the jit
776 AS_HELP_STRING(--enable-jit,
777 [Enable Just In Time Compiling (default is YES)]),,
779 if test ${enableval} = "no"
783 case "$llvm_cv_target_arch" in
784 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
785 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
786 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
787 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
788 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
789 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
790 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
791 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
792 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
793 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
794 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
795 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
796 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
800 TARGETS_WITH_JIT="AArch64 ARM ARM64 Mips PowerPC SystemZ X86"
801 AC_SUBST(TARGETS_WITH_JIT,$TARGETS_WITH_JIT)
803 dnl Allow enablement of building and installing docs
805 AS_HELP_STRING([--enable-docs],
806 [Build documents (default is YES)]),,
809 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
810 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
811 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
812 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
815 dnl Allow enablement of doxygen generated documentation
816 AC_ARG_ENABLE(doxygen,
817 AS_HELP_STRING([--enable-doxygen],
818 [Build doxygen documentation (default is NO)]),,
821 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
822 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
823 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
824 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
827 dnl Allow disablement of threads
828 AC_ARG_ENABLE(threads,
829 AS_HELP_STRING([--enable-threads],
830 [Use threads if available (default is YES)]),,
833 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
834 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
835 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
836 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
838 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
839 [Define if threads enabled])
841 dnl Allow disablement of pthread.h
842 AC_ARG_ENABLE(pthreads,
843 AS_HELP_STRING([--enable-pthreads],
844 [Use pthreads if available (default is YES)]),,
847 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
848 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
849 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
850 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
853 dnl Allow disablement of zlib
855 AS_HELP_STRING([--enable-zlib],
856 [Use zlib for compression/decompression if
857 available (default is YES)]),,
860 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
861 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
862 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
863 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
865 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
866 [Define if zlib is enabled])
868 dnl Allow building without position independent code
870 AS_HELP_STRING([--enable-pic],
871 [Build LLVM with Position Independent Code (default is YES)]),,
874 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
875 no) AC_SUBST(ENABLE_PIC,[0]) ;;
876 default) AC_SUBST(ENABLE_PIC,[1]) ;;
877 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
879 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
880 [Define if position independent code is enabled])
882 dnl Allow building a shared library and linking tools against it.
883 AC_ARG_ENABLE(shared,
884 AS_HELP_STRING([--enable-shared],
885 [Build a shared library and link tools against it (default is NO)]),,
888 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
889 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
890 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
891 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
894 dnl Allow libstdc++ is embedded in LLVM.dll.
895 AC_ARG_ENABLE(embed-stdcxx,
896 AS_HELP_STRING([--enable-embed-stdcxx],
897 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
900 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
901 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
902 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
903 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
906 dnl Enable embedding timestamp information into build.
907 AC_ARG_ENABLE(timestamps,
908 AS_HELP_STRING([--enable-timestamps],
909 [Enable embedding timestamp information in build (default is YES)]),,
912 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
913 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
914 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
915 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
917 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
918 [Define if timestamp information (e.g., __DATE__) is allowed])
920 dnl Enable support for showing backtraces.
921 AC_ARG_ENABLE(backtraces, AS_HELP_STRING(
922 [--enable-backtraces],
923 [Enable embedding backtraces on crash (default is YES)]),
924 [case "$enableval" in
925 yes) llvm_cv_enable_backtraces="yes" ;;
926 no) llvm_cv_enable_backtraces="no" ;;
927 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
929 llvm_cv_enable_backtraces="yes")
930 if test "$llvm_cv_enable_backtraces" = "yes" ; then
931 AC_DEFINE([ENABLE_BACKTRACES],[1],
932 [Define if you want backtraces on crash])
935 dnl Enable installing platform specific signal handling overrides, for improved
936 dnl CrashRecovery support or interaction with crash reporting software. This
937 dnl support may be inappropriate for some clients embedding LLVM as a library.
938 AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING(
939 [--enable-crash-overrides],
940 [Enable crash handling overrides (default is YES)]),
941 [case "$enableval" in
942 yes) llvm_cv_enable_crash_overrides="yes" ;;
943 no) llvm_cv_enable_crash_overrides="no" ;;
944 *) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;;
946 llvm_cv_enable_crash_overrides="yes")
947 if test "$llvm_cv_enable_crash_overrides" = "yes" ; then
948 AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1],
949 [Define to enable crash handling overrides])
952 dnl List all possible targets
953 ALL_TARGETS="X86 Sparc PowerPC AArch64 ARM ARM64 Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600"
954 AC_SUBST(ALL_TARGETS,$ALL_TARGETS)
956 dnl Allow specific targets to be specified for building (or not)
958 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
959 [Build specific host targets: all or target1,target2,... Valid targets are:
960 host, x86, x86_64, sparc, powerpc, arm64, arm, aarch64, mips, hexagon,
961 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
963 if test "$enableval" = host-only ; then
967 all) TARGETS_TO_BUILD="$ALL_TARGETS" ;;
968 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
970 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
971 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
972 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
973 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
974 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
975 arm64) TARGETS_TO_BUILD="ARM64 $TARGETS_TO_BUILD" ;;
976 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
977 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
978 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
979 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
980 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
981 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
982 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
983 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
984 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
985 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
986 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
987 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
988 host) case "$llvm_cv_target_arch" in
989 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
990 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
991 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
992 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
993 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
994 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
995 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
996 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
997 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
998 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
999 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
1000 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
1001 *) AC_MSG_ERROR([Can not set target to build]) ;;
1003 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
1009 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
1010 [Build experimental host targets: disable or target1,target2,...
1011 (default=disable)]),,
1014 if test ${enableval} != "disable"
1016 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
1019 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
1021 dnl Determine whether we are building LLVM support for the native architecture.
1022 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
1023 for a_target in $TARGETS_TO_BUILD; do
1024 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
1025 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
1026 [LLVM architecture name for the native architecture, if available])
1027 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
1028 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
1029 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
1030 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
1031 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1032 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
1034 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1035 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
1037 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
1038 [LLVM name for the native Target init function, if available])
1039 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
1040 [LLVM name for the native TargetInfo init function, if available])
1041 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
1042 [LLVM name for the native target MC init function, if available])
1043 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
1044 [LLVM name for the native AsmPrinter init function, if available])
1045 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1046 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
1047 [LLVM name for the native AsmParser init function, if available])
1049 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1050 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
1051 [LLVM name for the native Disassembler init function, if available])
1056 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
1057 dnl target feature def files.
1058 LLVM_ENUM_TARGETS=""
1059 LLVM_ENUM_ASM_PRINTERS=""
1060 LLVM_ENUM_ASM_PARSERS=""
1061 LLVM_ENUM_DISASSEMBLERS=""
1062 for target_to_build in $TARGETS_TO_BUILD; do
1063 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
1064 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
1065 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
1067 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
1068 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
1070 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
1071 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
1074 AC_SUBST(LLVM_ENUM_TARGETS)
1075 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
1076 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
1077 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
1079 dnl Override the option to use for optimized builds.
1080 AC_ARG_WITH(optimize-option,
1081 AS_HELP_STRING([--with-optimize-option],
1082 [Select the compiler options to use for optimized builds]),,
1084 AC_MSG_CHECKING([optimization flags])
1087 case "$llvm_cv_os_type" in
1088 FreeBSD) optimize_option=-O2 ;;
1089 MingW) optimize_option=-O2 ;;
1090 *) optimize_option=-O3 ;;
1092 *) optimize_option="$withval" ;;
1094 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
1095 AC_MSG_RESULT([$optimize_option])
1097 dnl Specify extra build options
1098 AC_ARG_WITH(extra-options,
1099 AS_HELP_STRING([--with-extra-options],
1100 [Specify additional options to compile LLVM with]),,
1103 default) EXTRA_OPTIONS= ;;
1104 *) EXTRA_OPTIONS=$withval ;;
1106 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
1108 dnl Specify extra linker build options
1109 AC_ARG_WITH(extra-ld-options,
1110 AS_HELP_STRING([--with-extra-ld-options],
1111 [Specify additional options to link LLVM with]),,
1114 default) EXTRA_LD_OPTIONS= ;;
1115 *) EXTRA_LD_OPTIONS=$withval ;;
1117 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
1119 dnl Allow specific bindings to be specified for building (or not)
1120 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
1121 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
1123 BINDINGS_TO_BUILD=""
1124 case "$enableval" in
1125 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
1126 all ) BINDINGS_TO_BUILD="ocaml" ;;
1127 none | no) BINDINGS_TO_BUILD="" ;;
1128 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
1129 case "$a_binding" in
1130 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
1131 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
1137 dnl Allow the ocaml libdir to be overridden. This could go in a configure
1138 dnl script for bindings/ocaml/configure, except that its auto value depends on
1139 dnl OCAMLC, which is found here to support tests.
1140 AC_ARG_WITH([ocaml-libdir],
1141 [AS_HELP_STRING([--with-ocaml-libdir],
1142 [Specify install location for ocaml bindings (default is stdlib)])],
1146 auto) with_ocaml_libdir="$withval" ;;
1147 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
1148 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
1151 AC_ARG_WITH(clang-srcdir,
1152 AS_HELP_STRING([--with-clang-srcdir],
1153 [Directory to the out-of-tree Clang source]),,
1156 -) clang_src_root="" ;;
1157 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
1158 *) clang_src_root="$ac_pwd/$withval" ;;
1160 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1162 AC_ARG_WITH(clang-resource-dir,
1163 AS_HELP_STRING([--with-clang-resource-dir],
1164 [Relative directory from the Clang binary for resource files]),,
1166 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1167 [Relative directory for resource files])
1169 AC_ARG_WITH(c-include-dirs,
1170 AS_HELP_STRING([--with-c-include-dirs],
1171 [Colon separated list of directories clang will search for headers]),,
1173 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1174 [Directories clang will search for headers])
1176 # Clang normally uses the system c++ headers and libraries. With this option,
1177 # clang will use the ones provided by a gcc installation instead. This option should
1178 # be passed the same value that was used with --prefix when configuring gcc.
1179 AC_ARG_WITH(gcc-toolchain,
1180 AS_HELP_STRING([--with-gcc-toolchain],
1181 [Directory where gcc is installed.]),,
1183 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1184 [Directory where gcc is installed.])
1186 AC_ARG_WITH(default-sysroot,
1187 AS_HELP_STRING([--with-default-sysroot],
1188 [Add --sysroot=<path> to all compiler invocations.]),,
1190 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1191 [Default <path> to all compiler invocations for --sysroot=<path>.])
1193 dnl Allow linking of LLVM with GPLv3 binutils code.
1194 AC_ARG_WITH(binutils-include,
1195 AS_HELP_STRING([--with-binutils-include],
1196 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1199 default) WITH_BINUTILS_INCDIR=default ;;
1200 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1201 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1203 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1204 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1205 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1206 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1207 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1211 dnl Specify the URL where bug reports should be submitted.
1212 AC_ARG_WITH(bug-report-url,
1213 AS_HELP_STRING([--with-bug-report-url],
1214 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1215 withval="http://llvm.org/bugs/")
1216 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1219 dnl --enable-terminfo: check whether the user wants to control use of terminfo:
1220 AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
1221 [--enable-terminfo],
1222 [Query the terminfo database if available (default is YES)]),
1223 [case "$enableval" in
1224 yes) llvm_cv_enable_terminfo="yes" ;;
1225 no) llvm_cv_enable_terminfo="no" ;;
1226 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
1228 llvm_cv_enable_terminfo="yes")
1229 case "$llvm_cv_enable_terminfo" in
1230 yes) AC_SUBST(ENABLE_TERMINFO,[1]) ;;
1231 no) AC_SUBST(ENABLE_TERMINFO,[0]) ;;
1234 dnl --enable-libedit: check whether the user wants to turn off libedit.
1235 AC_ARG_ENABLE(libedit,AS_HELP_STRING(
1237 [Use libedit if available (default is YES)]),
1238 [case "$enableval" in
1239 yes) llvm_cv_enable_libedit="yes" ;;
1240 no) llvm_cv_enable_libedit="no" ;;
1241 *) AC_MSG_ERROR([Invalid setting for --enable-libedit. Use "yes" or "no"]) ;;
1243 llvm_cv_enable_libedit="yes")
1245 dnl --enable-libffi : check whether the user wants to turn off libffi:
1246 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1247 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1248 [case "$enableval" in
1249 yes) llvm_cv_enable_libffi="yes" ;;
1250 no) llvm_cv_enable_libffi="no" ;;
1251 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1253 llvm_cv_enable_libffi=no)
1255 AC_ARG_WITH(internal-prefix,
1256 AS_HELP_STRING([--with-internal-prefix],
1257 [Installation directory for internal files]),,
1259 AC_SUBST(INTERNAL_PREFIX,[$withval])
1261 dnl===-----------------------------------------------------------------------===
1263 dnl=== SECTION 4: Check for programs we need and that they are the right version
1265 dnl===-----------------------------------------------------------------------===
1267 dnl Check for the tools that the makefiles require
1270 AC_PATH_PROG(NM, [nm], [nm])
1271 AC_PATH_PROG(CMP, [cmp], [cmp])
1272 AC_PATH_PROG(CP, [cp], [cp])
1273 AC_PATH_PROG(DATE, [date], [date])
1274 AC_PATH_PROG(FIND, [find], [find])
1275 AC_PATH_PROG(GREP, [grep], [grep])
1276 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1277 AC_PATH_PROG(MV, [mv], [mv])
1279 AC_CHECK_TOOL(AR, ar, false)
1280 AC_PATH_PROG(RM, [rm], [rm])
1281 AC_PATH_PROG(SED, [sed], [sed])
1282 AC_PATH_PROG(TAR, [tar], [gtar])
1283 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1285 dnl Looking for misc. graph plotting software
1286 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
1287 if test "$GRAPHVIZ" != "echo Graphviz" ; then
1288 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
1289 dnl If we're targeting for mingw we should emit windows paths, not msys
1290 if test "$llvm_cv_os_type" = "MingW" ; then
1291 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1293 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1294 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1296 AC_PATH_PROG(DOT, [dot], [echo dot])
1297 if test "$DOT" != "echo dot" ; then
1298 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1299 dnl If we're targeting for mingw we should emit windows paths, not msys
1300 if test "$llvm_cv_os_type" = "MingW" ; then
1301 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1303 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1304 [Define to path to dot program if found or 'echo dot' otherwise])
1306 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1307 if test "$FDP" != "echo fdp" ; then
1308 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1309 dnl If we're targeting for mingw we should emit windows paths, not msys
1310 if test "$llvm_cv_os_type" = "MingW" ; then
1311 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1313 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1314 [Define to path to fdp program if found or 'echo fdp' otherwise])
1316 AC_PATH_PROG(NEATO, [neato], [echo neato])
1317 if test "$NEATO" != "echo neato" ; then
1318 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1319 dnl If we're targeting for mingw we should emit windows paths, not msys
1320 if test "$llvm_cv_os_type" = "MingW" ; then
1321 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1323 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1324 [Define to path to neato program if found or 'echo neato' otherwise])
1326 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1327 if test "$TWOPI" != "echo twopi" ; then
1328 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1329 dnl If we're targeting for mingw we should emit windows paths, not msys
1330 if test "$llvm_cv_os_type" = "MingW" ; then
1331 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1333 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1334 [Define to path to twopi program if found or 'echo twopi' otherwise])
1336 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1337 if test "$CIRCO" != "echo circo" ; then
1338 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1339 dnl If we're targeting for mingw we should emit windows paths, not msys
1340 if test "$llvm_cv_os_type" = "MingW" ; then
1341 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1343 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1344 [Define to path to circo program if found or 'echo circo' otherwise])
1346 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1347 if test "$GV" != "echo gv" ; then
1348 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1349 dnl If we're targeting for mingw we should emit windows paths, not msys
1350 if test "$llvm_cv_os_type" = "MingW" ; then
1351 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1353 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1354 [Define to path to gv program if found or 'echo gv' otherwise])
1356 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1357 if test "$DOTTY" != "echo dotty" ; then
1358 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1359 dnl If we're targeting for mingw we should emit windows paths, not msys
1360 if test "$llvm_cv_os_type" = "MingW" ; then
1361 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1363 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1364 [Define to path to dotty program if found or 'echo dotty' otherwise])
1366 AC_PATH_PROGS(XDOT, [xdot xdot.py], [echo xdot])
1367 if test "$XDOT" != "echo xdot" ; then
1368 AC_DEFINE([HAVE_XDOT],[1],[Define if the xdot program is available])
1369 dnl If we're targeting for mingw we should emit windows paths, not msys
1370 if test "$llvm_cv_os_type" = "MingW" ; then
1371 XDOT=`echo $XDOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1373 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT],"$XDOT${EXEEXT}",
1374 [Define to path to xdot program if found or 'echo xdot' otherwise])
1377 dnl Find the install program
1379 dnl Prepend src dir to install path dir if it's a relative path
1380 dnl This is a hack for installs that take place in something other
1381 dnl than the top level.
1383 [[\\/$]]* | ?:[[\\/]]* ) ;;
1384 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1387 dnl Checks for documentation and testing tools that we can do without. If these
1388 dnl are not found then they are set to "true" which always succeeds but does
1389 dnl nothing. This just lets the build output show that we could have done
1390 dnl something if the tool was available.
1391 AC_PATH_PROG(BZIP2, [bzip2])
1392 AC_PATH_PROG(CAT, [cat])
1393 AC_PATH_PROG(DOXYGEN, [doxygen])
1394 AC_PATH_PROG(GROFF, [groff])
1395 AC_PATH_PROG(GZIPBIN, [gzip])
1396 AC_PATH_PROG(PDFROFF, [pdfroff])
1397 AC_PATH_PROG(ZIP, [zip])
1398 AC_PATH_PROGS(OCAMLC, [ocamlc])
1399 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1400 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1401 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1402 AC_PATH_PROGS(GAS, [gas as])
1404 dnl Get the version of the linker in use.
1407 dnl Determine whether the linker supports the -R option.
1410 dnl Determine whether the compiler supports the -rdynamic option.
1411 AC_LINK_EXPORT_DYNAMIC
1413 dnl Determine whether the linker supports the --version-script option.
1414 AC_LINK_VERSION_SCRIPT
1416 AC_CHECK_HEADERS([errno.h])
1418 case "$llvm_cv_os_type" in
1419 Cygwin|MingW|Win32) llvm_shlib_ext=.dll ;;
1420 Darwin) llvm_shlib_ext=.dylib ;;
1421 *) llvm_shlib_ext=.so ;;
1424 AC_DEFINE_UNQUOTED([LTDL_SHLIB_EXT], ["$llvm_shlib_ext"], [The shared library extension])
1426 AC_MSG_CHECKING([tool compatibility])
1428 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1429 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1430 dnl to support those options.
1431 dnl "icc" emits gcc signatures
1432 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1444 if test "$GCC" != "yes" && test "$ICC" != "yes"
1446 AC_MSG_ERROR([gcc|icc required but not found])
1449 dnl Ensure that compilation tools are compatible with GCC extensions
1450 if test "$GXX" != "yes" && test "$IXX" != "yes"
1452 AC_MSG_ERROR([g++|clang++|icc required but not found])
1455 dnl Verify that GCC is version 3.0 or higher
1456 if test "$GCC" = "yes"
1461 #if !defined(__GNUC__) || __GNUC__ < 3
1462 #error Unsupported GCC version
1466 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1469 dnl Check for GNU Make. We use its extensions, so don't build without it
1470 if test -z "$llvm_cv_gnu_make_command"
1472 AC_MSG_ERROR([GNU Make required but not found])
1475 dnl Tool compatibility is okay if we make it here.
1478 dnl Check optional compiler flags.
1479 AC_MSG_CHECKING([optional compiler flags])
1480 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1481 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1482 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1484 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1485 dnl false positives, so disable it.
1487 NO_MAYBE_UNINITIALIZED=
1488 if test "$GXX" = "yes"
1490 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1491 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1492 dnl known to be uninitialized from cases which might be uninitialized. We
1493 dnl still want to catch the first kind of errors.
1494 if test -z "$NO_MAYBE_UNINITIALIZED"
1496 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1499 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
1501 AC_ARG_WITH([python],
1502 [AS_HELP_STRING([--with-python], [path to python])],
1503 [PYTHON="$withval"])
1505 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1506 AC_MSG_CHECKING([for python])
1507 AC_MSG_RESULT([user defined: $with_python])
1509 if test -n "$PYTHON" ; then
1510 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1513 AC_PATH_PROG([PYTHON], [python python2 python26],
1514 [AC_MSG_RESULT([not found])
1515 AC_MSG_ERROR([could not find python 2.5 or higher])])
1518 AC_MSG_CHECKING([for python >= 2.5])
1519 ac_python_version=`$PYTHON -V 2>&1 | cut -d' ' -f2`
1520 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1521 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1522 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1523 if test "$ac_python_version_major" -gt "2" || \
1524 (test "$ac_python_version_major" -eq "2" && \
1525 test "$ac_python_version_minor" -ge "5") ; then
1526 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1528 AC_MSG_RESULT([not found])
1529 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5])
1532 dnl===-----------------------------------------------------------------------===
1534 dnl=== SECTION 5: Check for libraries
1536 dnl===-----------------------------------------------------------------------===
1539 if test "$llvm_cv_os_type" = "MingW" ; then
1540 AC_CHECK_LIB(imagehlp, main)
1541 AC_CHECK_LIB(psapi, main)
1542 AC_CHECK_LIB(shell32, main)
1545 dnl dlopen() is required for plugin support.
1546 AC_SEARCH_LIBS(dlopen,dl,LLVM_DEFINE_SUBST([HAVE_DLOPEN],[1],
1547 [Define if dlopen() is available on this platform.]),
1548 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1550 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1551 dnl macros to detect whether clock_gettime is available, this just finds the
1552 dnl right libraries to link with.
1553 AC_SEARCH_LIBS(clock_gettime,rt)
1555 dnl The curses library is optional; used for querying terminal info
1556 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1557 dnl We need the has_color functionality in curses for it to be useful.
1558 AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw,
1559 LLVM_DEFINE_SUBST([HAVE_TERMINFO],[1],
1560 [Define if the setupterm() function is supported this platform.]))
1563 dnl The libedit library is optional; used by lib/LineEditor
1564 if test "$llvm_cv_enable_libedit" = "yes" ; then
1565 AC_SEARCH_LIBS(el_init,edit,
1566 AC_DEFINE([HAVE_LIBEDIT],[1],
1567 [Define if libedit is available on this platform.]))
1570 dnl libffi is optional; used to call external functions from the interpreter
1571 if test "$llvm_cv_enable_libffi" = "yes" ; then
1572 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1573 [Define if libffi is available on this platform.]),
1574 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1577 dnl mallinfo is optional; the code can compile (minus features) without it
1578 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1579 [Define if mallinfo() is available on this platform.]))
1581 dnl pthread locking functions are optional - but llvm will not be thread-safe
1583 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1584 AC_CHECK_LIB(pthread, pthread_mutex_init)
1585 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1586 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1587 [Have pthread_mutex_lock]))
1588 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1589 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1590 [Have pthread_rwlock_init]))
1591 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1592 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1593 [Have pthread_getspecific]))
1596 dnl zlib is optional; used for compression/uncompression
1597 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1598 AC_CHECK_LIB(z, compress2)
1601 dnl Allow extra x86-disassembler library
1603 AS_HELP_STRING([--with-udis86=<path>],
1604 [Use udis86 external x86 disassembler library]),
1606 AC_SUBST(USE_UDIS86, [1])
1609 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1611 AC_CHECK_LIB(udis86, ud_init, [], [
1612 echo "Error! You need to have libudis86 around."
1616 AC_SUBST(USE_UDIS86, [0]))
1617 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1618 [Define if use udis86 library])
1620 dnl Allow OProfile support for JIT output.
1621 AC_ARG_WITH(oprofile,
1622 AS_HELP_STRING([--with-oprofile=<prefix>],
1623 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1625 AC_SUBST(USE_OPROFILE, [1])
1627 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1629 AC_SUBST(USE_OPROFILE, [0]) ;;
1630 *) llvm_cv_oppath="${withval}/lib/oprofile"
1631 CPPFLAGS="-I${withval}/include";;
1633 case $llvm_cv_os_type in
1635 if test -n "$llvm_cv_oppath" ; then
1636 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1637 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1638 dnl libbfd is not included properly in libopagent in some Debian
1639 dnl versions. If libbfd isn't found at all, we assume opagent works
1641 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1642 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1643 echo "Error! You need to have libopagent around."
1646 AC_CHECK_HEADER([opagent.h], [], [
1647 echo "Error! You need to have opagent.h around."
1652 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1656 AC_SUBST(USE_OPROFILE, [0])
1658 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1659 [Define if we have the oprofile JIT-support library])
1661 dnl Enable support for Intel JIT Events API.
1662 AC_ARG_WITH(intel-jitevents,
1663 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1666 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1667 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1668 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1671 case $llvm_cv_os_type in
1672 Linux|Win32|Cygwin|MingW) ;;
1673 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1676 case "$llvm_cv_target_arch" in
1678 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1682 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1684 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1685 [Define if we have the Intel JIT API runtime support library])
1687 dnl Check for libxml2
1688 dnl Right now we're just checking for the existence, we could also check for a
1689 dnl particular version via --version on xml2-config
1690 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1692 AC_MSG_CHECKING(for libxml2 includes)
1693 if test "x$XML2CONFIG" = "x"; then
1694 AC_MSG_RESULT(xml2-config not found)
1696 LIBXML2_INC=`$XML2CONFIG --cflags`
1697 AC_MSG_RESULT($LIBXML2_INC)
1698 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1699 LIBXML2_LIBS="-lxml2"])
1701 AC_SUBST(LIBXML2_LIBS)
1702 AC_SUBST(LIBXML2_INC)
1704 dnl===-----------------------------------------------------------------------===
1706 dnl=== SECTION 6: Check for header files
1708 dnl===-----------------------------------------------------------------------===
1710 dnl First, use autoconf provided macros for specific headers that we need
1711 dnl We don't check for ancient stuff or things that are guaranteed to be there
1712 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1713 dnl Generally we're looking for POSIX headers.
1715 AC_HEADER_MMAP_ANONYMOUS
1721 AC_CHECK_HEADERS([cxxabi.h])
1723 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
1724 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1725 AC_CHECK_HEADERS([utime.h])
1726 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1727 AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
1728 AC_CHECK_HEADERS([valgrind/valgrind.h])
1729 AC_CHECK_HEADERS([fenv.h])
1730 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1731 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1732 AC_CHECK_HEADERS(pthread.h,
1733 AC_SUBST(HAVE_PTHREAD, 1),
1734 AC_SUBST(HAVE_PTHREAD, 0))
1736 AC_SUBST(HAVE_PTHREAD, 0)
1738 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1739 AC_CHECK_HEADERS(zlib.h,
1740 AC_SUBST(HAVE_LIBZ, 1),
1741 AC_SUBST(HAVE_LIBZ, 0))
1743 AC_SUBST(HAVE_LIBZ, 0)
1746 dnl Try to find ffi.h.
1747 if test "$llvm_cv_enable_libffi" = "yes" ; then
1748 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1751 dnl Try to find Darwin specific crash reporting libraries.
1752 AC_CHECK_HEADERS([CrashReporterClient.h])
1754 dnl Try to find Darwin specific crash reporting global.
1755 AC_MSG_CHECKING([__crashreporter_info__])
1759 extern const char *__crashreporter_info__;
1761 __crashreporter_info__ = "test";
1767 AC_MSG_RESULT([yes])
1768 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1772 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1775 dnl===-----------------------------------------------------------------------===
1777 dnl=== SECTION 7: Check for types and structures
1779 dnl===-----------------------------------------------------------------------===
1784 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1786 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1787 AC_CHECK_TYPES([uint64_t],,
1788 AC_CHECK_TYPES([u_int64_t],,
1789 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1791 dnl===-----------------------------------------------------------------------===
1793 dnl=== SECTION 8: Check for specific functions needed
1795 dnl===-----------------------------------------------------------------------===
1797 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1798 AC_CHECK_FUNCS([powf fmodf strtof round ])
1799 AC_CHECK_FUNCS([log log2 log10 exp exp2])
1800 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1801 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1802 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
1803 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1804 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1805 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1806 AC_CHECK_FUNCS([futimes futimens])
1810 dnl Check for arc4random accessible via AC_INCLUDES_DEFAULT.
1811 AC_CHECK_DECLS([arc4random])
1813 dnl Check the declaration "Secure API" on Windows environments.
1814 AC_CHECK_DECLS([strerror_s])
1816 dnl Check symbols in libgcc.a for JIT on Mingw.
1817 if test "$llvm_cv_os_type" = "MingW" ; then
1818 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1819 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1820 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1821 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1823 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1824 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1825 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1826 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1827 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1828 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1829 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1830 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1831 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1832 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1834 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1835 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1838 dnl Check Win32 API EnumerateLoadedModules.
1839 if test "$llvm_cv_os_type" = "MingW" ; then
1840 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1844 #include <windows.h>
1845 #include <imagehlp.h>
1846 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1847 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1851 AC_MSG_RESULT([yes])
1852 llvm_cv_win32_elmcb_pcstr="PCSTR"
1856 llvm_cv_win32_elmcb_pcstr="PSTR"
1858 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1861 dnl Check for variations in the Standard C++ library and STL. These macros are
1862 dnl provided by LLVM in the autoconf/m4 directory.
1866 dnl Check for mmap support.We also need to know if /dev/zero is required to
1867 dnl be opened for allocating RWX memory.
1868 dnl Make sure we aren't attempting to configure for an unknown system
1869 if test "$llvm_cv_platform_type" = "Unix" ; then
1872 AC_NEED_DEV_ZERO_FOR_MMAP
1874 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1876 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1878 if test "$ac_cv_func_mmap_file" = "no"
1880 AC_MSG_WARN([mmap() of files required but not found])
1884 dnl atomic builtins are required for threading support.
1885 AC_MSG_CHECKING(for GCC atomic builtins)
1886 dnl Since we'll be using these atomic builtins in C++ files we should test
1887 dnl the C++ compiler.
1893 volatile unsigned long val = 1;
1894 __sync_synchronize();
1895 __sync_val_compare_and_swap(&val, 1, 0);
1896 __sync_add_and_fetch(&val, 1);
1897 __sync_sub_and_fetch(&val, 1);
1903 AC_MSG_RESULT([yes])
1904 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1908 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1909 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1913 dnl===-----------------------------------------------------------------------===
1915 dnl=== SECTION 9: Additional checks, variables, etc.
1917 dnl===-----------------------------------------------------------------------===
1919 dnl Handle 32-bit linux systems running a 64-bit kernel.
1920 dnl This has to come after section 4 because it invokes the compiler.
1921 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1923 if test "$llvm_cv_linux_mixed" = "yes"; then
1924 llvm_cv_target_arch="x86"
1929 dnl Check whether __dso_handle is present
1930 AC_CHECK_FUNCS([__dso_handle])
1932 dnl Propagate the shared library extension that the libltdl checks did to
1933 dnl the Makefiles so we can use it there too
1934 AC_SUBST(SHLIBEXT,$llvm_shlib_ext)
1936 dnl Translate the various configuration directories and other basic
1937 dnl information into substitutions that will end up in Makefile.config.in
1938 dnl that these configured values can be used by the makefiles
1939 if test "${prefix}" = "NONE" ; then
1942 eval LLVM_PREFIX="${prefix}";
1943 eval LLVM_BINDIR="${prefix}/bin";
1944 eval LLVM_DATADIR="${prefix}/share/llvm";
1945 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1946 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1947 eval LLVM_INCLUDEDIR="${prefix}/include";
1948 eval LLVM_INFODIR="${prefix}/info";
1949 eval LLVM_MANDIR="${prefix}/man";
1950 LLVM_CONFIGTIME=`date`
1951 AC_SUBST(LLVM_PREFIX)
1952 AC_SUBST(LLVM_BINDIR)
1953 AC_SUBST(LLVM_DATADIR)
1954 AC_SUBST(LLVM_DOCSDIR)
1955 AC_SUBST(LLVM_ETCDIR)
1956 AC_SUBST(LLVM_INCLUDEDIR)
1957 AC_SUBST(LLVM_INFODIR)
1958 AC_SUBST(LLVM_MANDIR)
1959 AC_SUBST(LLVM_CONFIGTIME)
1961 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1962 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1963 LLVM_CONFIGTIME="(timestamp not enabled)"
1966 dnl Place the various directories into the config.h file as #defines so that we
1967 dnl can know about the installation paths within LLVM.
1968 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1969 [Installation prefix directory])
1970 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1971 [Installation directory for binary executables])
1972 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1973 [Installation directory for data files])
1974 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1975 [Installation directory for documentation])
1976 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1977 [Installation directory for config files])
1978 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1979 [Installation directory for include files])
1980 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1981 [Installation directory for .info files])
1982 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1983 [Installation directory for man pages])
1984 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1985 [Time at which LLVM was configured])
1986 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
1987 [Host triple LLVM will be executed on])
1988 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1989 [Target triple LLVM will generate code for by default])
1991 dnl Determine which bindings to build.
1992 if test "$BINDINGS_TO_BUILD" = auto ; then
1993 BINDINGS_TO_BUILD=""
1994 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1995 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1998 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
2000 dnl This isn't really configurey, but it avoids having to repeat the list in
2002 AC_SUBST(ALL_BINDINGS,ocaml)
2004 dnl Do any work necessary to ensure that bindings have what they need.
2005 binding_prereqs_failed=0
2006 for a_binding in $BINDINGS_TO_BUILD ; do
2007 case "$a_binding" in
2009 if test "x$OCAMLC" = x ; then
2010 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
2011 binding_prereqs_failed=1
2013 if test "x$OCAMLDEP" = x ; then
2014 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
2015 binding_prereqs_failed=1
2017 if test "x$OCAMLOPT" = x ; then
2018 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
2019 dnl ocamlopt is optional!
2021 if test "x$with_ocaml_libdir" != xauto ; then
2022 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
2024 ocaml_stdlib="`"$OCAMLC" -where`"
2025 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
2027 # ocaml stdlib is beneath our prefix; use stdlib
2028 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
2030 # ocaml stdlib is outside our prefix; use libdir/ocaml
2031 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
2037 if test "$binding_prereqs_failed" = 1 ; then
2038 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
2041 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
2042 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
2044 dnl Determine linker rpath flag
2045 if test "$llvm_cv_link_use_r" = "yes" ; then
2052 dnl Determine linker rdynamic flag
2053 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
2054 RDYNAMIC="-rdynamic"
2060 dnl===-----------------------------------------------------------------------===
2062 dnl=== SECTION 10: Specify the output files and generate it
2064 dnl===-----------------------------------------------------------------------===
2066 dnl Configure header files
2067 dnl WARNING: dnl If you add or remove any of the following config headers, then
2068 dnl you MUST also update Makefile so that the variable FilesToConfig
2069 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
2070 dnl files can be updated automatically when their *.in sources change.
2071 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
2072 AH_TOP([#ifndef CONFIG_H
2076 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
2077 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
2078 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
2079 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
2080 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
2082 dnl Configure the makefile's configuration data
2083 AC_CONFIG_FILES([Makefile.config])
2085 dnl Configure the RPM spec file for LLVM
2086 AC_CONFIG_FILES([llvm.spec])
2088 dnl Configure doxygen's configuration file
2089 AC_CONFIG_FILES([docs/doxygen.cfg])
2091 dnl Configure clang, if present
2092 if test "${clang_src_root}" = ""; then
2093 clang_src_root="$srcdir/tools/clang"
2095 if test -f ${clang_src_root}/README.txt; then
2096 dnl Use variables to stay under 80 columns.
2097 configh="include/clang/Config/config.h"
2098 doxy="docs/doxygen.cfg"
2099 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
2100 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
2103 dnl OCaml findlib META file
2104 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
2106 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
2107 test "x$program_prefix" = "xNONE" && program_prefix=""
2108 AC_SUBST([program_prefix])
2111 dnl Do special configuration of Makefiles
2112 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
2113 AC_CONFIG_MAKEFILE(Makefile)
2114 AC_CONFIG_MAKEFILE(Makefile.common)
2115 AC_CONFIG_MAKEFILE(examples/Makefile)
2116 AC_CONFIG_MAKEFILE(lib/Makefile)
2117 AC_CONFIG_MAKEFILE(test/Makefile)
2118 AC_CONFIG_MAKEFILE(test/Makefile.tests)
2119 AC_CONFIG_MAKEFILE(unittests/Makefile)
2120 AC_CONFIG_MAKEFILE(tools/Makefile)
2121 AC_CONFIG_MAKEFILE(utils/Makefile)
2122 AC_CONFIG_MAKEFILE(projects/Makefile)
2123 AC_CONFIG_MAKEFILE(bindings/Makefile)
2124 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
2126 dnl Finally, crank out the output