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.
34 AC_INIT([LLVM],[3.5svn],[http://llvm.org/bugs/])
35 AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API])
36 AC_DEFINE([LLVM_VERSION_MINOR], [5], [Minor version of the LLVM API])
38 dnl Provide a copyright substitution and ensure the copyright notice is included
39 dnl in the output of --version option of the generated configure script.
40 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2014 University of Illinois at Urbana-Champaign."])
41 AC_COPYRIGHT([Copyright (c) 2003-2014 University of Illinois at Urbana-Champaign.])
43 dnl Indicate that we require autoconf 2.60 or later.
46 dnl Verify that the source directory is valid. This makes sure that we are
47 dnl configuring LLVM and not some other package (it validates --srcdir argument)
48 AC_CONFIG_SRCDIR([lib/IR/Module.cpp])
50 dnl Place all of the extra autoconf files into the config subdirectory. Tell
51 dnl various tools where the m4 autoconf macros are.
52 AC_CONFIG_AUX_DIR([autoconf])
54 dnl Quit if the source directory has already been configured.
55 dnl NOTE: This relies upon undocumented autoconf behavior.
56 if test ${srcdir} != "." ; then
57 if test -f ${srcdir}/include/llvm/Config/config.h ; then
58 AC_MSG_ERROR([Already configured in ${srcdir}])
62 dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS,
63 dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc).
67 dnl We need to check for the compiler up here to avoid anything else
68 dnl starting with a different one.
70 AC_PROG_CXX(clang++ g++)
73 dnl If CXX is Clang, check that it can find and parse C++ standard library
75 if test "$CXX" = "clang++" ; then
76 AC_MSG_CHECKING([whether clang works])
78 dnl Note that space between 'include' and '(' is required. There's a broken
79 dnl regex in aclocal that otherwise will think that we call m4's include
81 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <limits>
82 #if __has_include (<cxxabi.h>)
85 #if __has_include (<unwind.h>)
94 AC_MSG_ERROR([Selected compiler could not find or parse C++ standard library headers. Rerun with CC=c-compiler CXX=c++-compiler ./configure ...])
99 dnl Set up variables that track whether the host compiler is GCC or Clang where
100 dnl we can effectively sanity check them. We don't try to sanity check all the
101 dnl other possible compilers.
102 AC_MSG_CHECKING([whether GCC or Clang is our host compiler])
104 llvm_cv_cxx_compiler=unknown
105 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __clang__
109 llvm_cv_cxx_compiler=clang,
110 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __GNUC__
114 llvm_cv_cxx_compiler=gcc, [])])
116 AC_MSG_RESULT([${llvm_cv_cxx_compiler}])
118 dnl Check both GCC and Clang for sufficiently modern versions. These checks can
119 dnl be bypassed by passing a flag if necessary on a platform.
120 AC_ARG_ENABLE(compiler-version-checks,
121 AS_HELP_STRING([--enable-compiler-version-checks],
122 [Check the version of the host compiler (default is YES)]),,
129 case "$llvm_cv_cxx_compiler" in
131 AC_MSG_CHECKING([whether Clang is new enough])
132 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
133 #if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 1)
134 #error This version of Clang is too old to build LLVM
137 [AC_MSG_RESULT([yes])],
140 The selected Clang compiler is not new enough to build LLVM. Please upgrade to
141 Clang 3.1. You may pass --disable-compiler-version-checks to configure to
142 bypass these sanity checks.])])
144 dnl Note that libstdc++4.6 is known broken for C++11 builds. The errors
145 dnl are sometimes deeply confusing though. Here we test for an obvious
146 dnl incomplete feature in 4.6's standard library that was completed in
148 AC_MSG_CHECKING([whether Clang will select a modern C++ standard library])
149 llvm_cv_old_cxxflags="$CXXFLAGS"
150 CXXFLAGS="$CXXFLAGS -std=c++0x"
151 AC_LINK_IFELSE([AC_LANG_SOURCE([[
153 std::atomic<float> x(0.0f);
154 int main() { return (float)x; }
156 [AC_MSG_RESULT([yes])],
159 We detected a missing feature in the standard C++ library that was known to be
160 missing in libstdc++4.6 and implemented in libstdc++4.7. There are numerous
161 C++11 problems with 4.6's library, and we don't support GCCs or libstdc++ older
162 than 4.7. You will need to update your system and ensure Clang uses the newer
165 If this error is incorrect or you need to force things to work, you may pass
166 '--disable-compiler-version-checks' to configure to bypass this test.])])
167 CXXFLAGS="$llvm_cv_old_cxxflags"
170 AC_MSG_CHECKING([whether GCC is new enough])
171 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
172 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
173 #error This version of GCC is too old to build LLVM
176 [AC_MSG_RESULT([yes])],
179 The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade
180 to GCC 4.7. You may pass --disable-compiler-version-checks to configure to
181 bypass these sanity checks.])])
189 AC_MSG_ERROR([Invalid setting for --enable-compiler-version-checks. Use "yes" or "no"])
193 dnl Configure all of the projects present in our source tree. While we could
194 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
195 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
196 dnl Instead we match on the known projects.
199 dnl One tricky part of doing this is that some projects depend upon other
200 dnl projects. For example, several projects rely upon the LLVM test suite.
201 dnl We want to configure those projects first so that their object trees are
202 dnl created before running the configure scripts of projects that depend upon
206 dnl Several projects use the LLVM test suite, so configure it next.
207 if test -d ${srcdir}/projects/test-suite ; then
208 AC_CONFIG_SUBDIRS([projects/test-suite])
211 dnl llvm-test is the old name of the test-suite, kept here for backwards
213 if test -d ${srcdir}/projects/llvm-test ; then
214 AC_CONFIG_SUBDIRS([projects/llvm-test])
217 dnl Some projects use poolalloc; configure that next
218 if test -d ${srcdir}/projects/poolalloc ; then
219 AC_CONFIG_SUBDIRS([projects/poolalloc])
222 if test -d ${srcdir}/projects/llvm-poolalloc ; then
223 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
226 dnl Check for all other projects
227 for i in `ls ${srcdir}/projects`
229 if test -d ${srcdir}/projects/${i} ; then
231 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
232 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
239 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
245 dnl Disable the build of polly, even if it is checked out into tools/polly.
247 AS_HELP_STRING([--enable-polly],
248 [Use polly if available (default is YES)]),,
251 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
252 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
253 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
254 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
258 dnl Check if polly is checked out into tools/polly and configure it if
260 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
261 AC_SUBST(LLVM_HAS_POLLY,1)
262 AC_CONFIG_SUBDIRS([tools/polly])
265 dnl===-----------------------------------------------------------------------===
267 dnl=== SECTION 2: Architecture, target, and host checks
269 dnl===-----------------------------------------------------------------------===
271 dnl Check the target for which we're compiling and the host that will do the
272 dnl compilations. This will tell us which LLVM compiler will be used for
273 dnl compiling SSA into object code. This needs to be done early because
274 dnl following tests depend on it.
277 dnl Determine the platform type and cache its value. This helps us configure
278 dnl the System library to the correct build platform.
279 AC_CACHE_CHECK([type of operating system we're going to host on],
283 llvm_cv_link_all_option="-Wl,--whole-archive"
284 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
285 llvm_cv_os_type="AIX"
286 llvm_cv_platform_type="Unix" ;;
288 llvm_cv_link_all_option="-Wl,--whole-archive"
289 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
290 llvm_cv_os_type="IRIX"
291 llvm_cv_platform_type="Unix" ;;
293 llvm_cv_link_all_option="-Wl,--whole-archive"
294 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
295 llvm_cv_os_type="Cygwin"
296 llvm_cv_platform_type="Unix" ;;
298 llvm_cv_link_all_option="-Wl,-all_load"
299 llvm_cv_no_link_all_option="-Wl,-noall_load"
300 llvm_cv_os_type="Darwin"
301 llvm_cv_platform_type="Unix" ;;
303 llvm_cv_link_all_option="-Wl,-all_load"
304 llvm_cv_no_link_all_option="-Wl,-noall_load"
305 llvm_cv_os_type="Minix"
306 llvm_cv_platform_type="Unix" ;;
308 llvm_cv_link_all_option="-Wl,--whole-archive"
309 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
310 llvm_cv_os_type="FreeBSD"
311 llvm_cv_platform_type="Unix" ;;
313 llvm_cv_link_all_option="-Wl,--whole-archive"
314 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
315 llvm_cv_os_type="GNU/kFreeBSD"
316 llvm_cv_platform_type="Unix" ;;
318 llvm_cv_link_all_option="-Wl,--whole-archive"
319 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
320 llvm_cv_os_type="OpenBSD"
321 llvm_cv_platform_type="Unix" ;;
323 llvm_cv_link_all_option="-Wl,--whole-archive"
324 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
325 llvm_cv_os_type="NetBSD"
326 llvm_cv_platform_type="Unix" ;;
328 llvm_cv_link_all_option="-Wl,--whole-archive"
329 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
330 llvm_cv_os_type="DragonFly"
331 llvm_cv_platform_type="Unix" ;;
333 llvm_cv_link_all_option="-Wl,--whole-archive"
334 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
335 llvm_cv_os_type="HP-UX"
336 llvm_cv_platform_type="Unix" ;;
338 llvm_cv_link_all_option="-Wl,--whole-archive"
339 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
340 llvm_cv_os_type="Interix"
341 llvm_cv_platform_type="Unix" ;;
343 llvm_cv_link_all_option="-Wl,--whole-archive"
344 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
345 llvm_cv_os_type="Linux"
346 llvm_cv_platform_type="Unix" ;;
348 llvm_cv_link_all_option="-Wl,--whole-archive"
349 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
350 llvm_cv_os_type="GNU"
351 llvm_cv_platform_type="Unix" ;;
353 llvm_cv_link_all_option="-Wl,-z,allextract"
354 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
355 llvm_cv_os_type="SunOS"
356 llvm_cv_platform_type="Unix" ;;
358 llvm_cv_link_all_option="-Wl,-z,allextract"
359 llvm_cv_link_all_option="-Wl,-z,defaultextract"
360 llvm_cv_os_type="AuroraUX"
361 llvm_cv_platform_type="Unix" ;;
363 llvm_cv_link_all_option="-Wl,--whole-archive"
364 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
365 llvm_cv_os_type="Win32"
366 llvm_cv_platform_type="Win32" ;;
368 llvm_cv_link_all_option="-Wl,--whole-archive"
369 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
370 llvm_cv_os_type="MingW"
371 llvm_cv_platform_type="Win32" ;;
373 llvm_cv_link_all_option="-Wl,--whole-archive"
374 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
375 llvm_cv_os_type="Haiku"
376 llvm_cv_platform_type="Unix" ;;
378 llvm_cv_link_all_option="-Wl,--whole-archive"
379 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
380 llvm_cv_os_type="Freestanding"
381 llvm_cv_platform_type="Unix" ;;
383 llvm_cv_link_all_option="-Wl,--whole-archive"
384 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
385 llvm_cv_os_type="Freestanding"
386 llvm_cv_platform_type="Unix" ;;
388 llvm_cv_link_all_option=""
389 llvm_cv_no_link_all_option=""
390 llvm_cv_os_type="Unknown"
391 llvm_cv_platform_type="Unknown" ;;
394 AC_CACHE_CHECK([type of operating system we're going to target],
395 [llvm_cv_target_os_type],
398 llvm_cv_target_os_type="AIX" ;;
400 llvm_cv_target_os_type="IRIX" ;;
402 llvm_cv_target_os_type="Cygwin" ;;
404 llvm_cv_target_os_type="Darwin" ;;
406 llvm_cv_target_os_type="Minix" ;;
408 llvm_cv_target_os_type="FreeBSD" ;;
410 llvm_cv_target_os_type="GNU/kFreeBSD" ;;
412 llvm_cv_target_os_type="OpenBSD" ;;
414 llvm_cv_target_os_type="NetBSD" ;;
416 llvm_cv_target_os_type="DragonFly" ;;
418 llvm_cv_target_os_type="HP-UX" ;;
420 llvm_cv_target_os_type="Interix" ;;
422 llvm_cv_target_os_type="Linux" ;;
424 llvm_cv_target_os_type="GNU" ;;
426 llvm_cv_target_os_type="SunOS" ;;
428 llvm_cv_target_os_type="AuroraUX" ;;
430 llvm_cv_target_os_type="Win32" ;;
432 llvm_cv_target_os_type="MingW" ;;
434 llvm_cv_target_os_type="Haiku" ;;
436 llvm_cv_target_os_type="RTEMS" ;;
438 llvm_cv_target_os_type="NativeClient" ;;
440 llvm_cv_target_os_type="Freestanding" ;;
442 llvm_cv_target_os_type="Unknown" ;;
445 dnl Make sure we aren't attempting to configure for an unknown system
446 if test "$llvm_cv_os_type" = "Unknown" ; then
447 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
450 dnl Set the "OS" Makefile variable based on the platform type so the
451 dnl makefile can configure itself to specific build hosts
452 AC_SUBST(OS,$llvm_cv_os_type)
453 AC_SUBST(HOST_OS,$llvm_cv_os_type)
454 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
456 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
457 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
458 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
460 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
461 dnl This is used by lib/Support to determine the basic kind of implementation
463 case $llvm_cv_platform_type in
465 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
466 AC_SUBST(LLVM_ON_UNIX,[1])
467 AC_SUBST(LLVM_ON_WIN32,[0])
470 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
471 AC_SUBST(LLVM_ON_UNIX,[0])
472 AC_SUBST(LLVM_ON_WIN32,[1])
476 dnl Determine what our target architecture is and configure accordingly.
477 dnl This will allow Makefiles to make a distinction between the hardware and
479 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
481 i?86-*) llvm_cv_target_arch="x86" ;;
482 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
483 sparc*-*) llvm_cv_target_arch="Sparc" ;;
484 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
485 arm*-*) llvm_cv_target_arch="ARM" ;;
486 aarch64*-*) llvm_cv_target_arch="AArch64" ;;
487 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
488 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
489 xcore-*) llvm_cv_target_arch="XCore" ;;
490 msp430-*) llvm_cv_target_arch="MSP430" ;;
491 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
492 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
493 s390x-*) llvm_cv_target_arch="SystemZ" ;;
494 *) llvm_cv_target_arch="Unknown" ;;
497 if test "$llvm_cv_target_arch" = "Unknown" ; then
498 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
501 dnl Determine the LLVM native architecture for the target
502 case "$llvm_cv_target_arch" in
503 x86) LLVM_NATIVE_ARCH="X86" ;;
504 x86_64) LLVM_NATIVE_ARCH="X86" ;;
505 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
508 dnl Define a substitution, ARCH, for the target architecture
509 AC_SUBST(ARCH,$llvm_cv_target_arch)
511 dnl Determine what our host architecture.
512 dnl This will allow MCJIT regress tests runs only for supported
515 i?86-*) host_arch="x86" ;;
516 amd64-* | x86_64-*) host_arch="x86_64" ;;
517 sparc*-*) host_arch="Sparc" ;;
518 powerpc*-*) host_arch="PowerPC" ;;
519 arm*-*) host_arch="ARM" ;;
520 aarch64*-*) host_arch="AArch64" ;;
521 mips-* | mips64-*) host_arch="Mips" ;;
522 mipsel-* | mips64el-*) host_arch="Mips" ;;
523 xcore-*) host_arch="XCore" ;;
524 msp430-*) host_arch="MSP430" ;;
525 hexagon-*) host_arch="Hexagon" ;;
526 s390x-*) host_arch="SystemZ" ;;
527 *) host_arch="Unknown" ;;
530 if test "$host_arch" = "Unknown" ; then
531 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
534 AC_SUBST(HOST_ARCH,$host_arch)
536 dnl Check for build platform executable suffix if we're cross-compiling
537 if test "$cross_compiling" = yes; then
538 AC_SUBST(LLVM_CROSS_COMPILING, [1])
540 ac_build_prefix=${build_alias}-
541 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
542 if test -z "$BUILD_CXX"; then
543 AC_CHECK_PROG(BUILD_CXX, g++, g++)
544 if test -z "$BUILD_CXX"; then
545 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
549 AC_SUBST(LLVM_CROSS_COMPILING, [0])
552 dnl Check to see if there's a .svn or .git directory indicating that this
553 dnl build is being done from a checkout. This sets up several defaults for
554 dnl the command line switches. When we build with a checkout directory,
555 dnl we get a debug with assertions turned on. Without, we assume a source
556 dnl release and we get an optimized build without assertions.
557 dnl See --enable-optimized and --enable-assertions below
558 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
561 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
567 dnl===-----------------------------------------------------------------------===
569 dnl=== SECTION 3: Command line arguments for the configure script.
571 dnl===-----------------------------------------------------------------------===
573 dnl --enable-libcpp : check whether or not to use libc++ on the command line
574 AC_ARG_ENABLE(libcpp,
575 AS_HELP_STRING([--enable-libcpp],
576 [Use libc++ if available (default is NO)]),,
579 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
580 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
581 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
582 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
585 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
587 AS_HELP_STRING([--enable-cxx11],
588 [Use c++11 if available (default is NO)]),,
591 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
592 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
593 default) AC_SUBST(ENABLE_CXX11,[0]);;
594 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
597 dnl --enable-fission : check whether or not to use -gsplit-dwarf on the command
599 AC_ARG_ENABLE(split-dwarf,
600 AS_HELP_STRING([--enable-split-dwarf],
601 [Use split-dwarf if available (default is NO)]),,
604 yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;;
605 no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;;
606 default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);;
607 *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;;
610 dnl --enable-clang-arcmt: check whether to enable clang arcmt
612 AC_ARG_ENABLE(clang-arcmt,
613 AS_HELP_STRING([--enable-clang-arcmt],
614 [Enable building of clang ARCMT (default is YES)]),
615 clang_arcmt="$enableval",
618 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
619 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
620 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
621 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
624 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
625 clang_static_analyzer="yes"
626 AC_ARG_ENABLE(clang-static-analyzer,
627 AS_HELP_STRING([--enable-clang-static-analyzer],
628 [Enable building of clang Static Analyzer (default is YES)]),
629 clang_static_analyzer="$enableval",
632 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
634 if test ${clang_arcmt} != "no" ; then
635 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling static analyzer.])
637 AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0])
639 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
640 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
643 dnl --enable-clang-rewriter: check whether to enable clang rewriter
644 AC_ARG_ENABLE(clang-rewriter,
645 AS_HELP_STRING([--enable-clang-rewriter],
646 [Enable building of clang rewriter (default is YES)]),,
649 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;;
651 if test ${clang_arcmt} != "no" ; then
652 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
654 if test ${clang_static_analyzer} != "no" ; then
655 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
657 AC_SUBST(ENABLE_CLANG_REWRITER,[0])
659 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
660 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
663 dnl --enable-optimized : check whether they want to do an optimized build:
664 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
665 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
666 if test ${enableval} = "no" ; then
667 AC_SUBST(ENABLE_OPTIMIZED,[[]])
669 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
672 dnl --enable-profiling : check whether they want to do a profile build:
673 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
674 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
675 if test ${enableval} = "no" ; then
676 AC_SUBST(ENABLE_PROFILING,[[]])
678 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
681 dnl --enable-assertions : check whether they want to turn on assertions or not:
682 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
683 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
684 if test ${enableval} = "yes" ; then
685 AC_SUBST(DISABLE_ASSERTIONS,[[]])
687 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
690 dnl --enable-werror : check whether we want Werror on by default
691 AC_ARG_ENABLE(werror,AS_HELP_STRING(
692 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
694 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
695 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
696 default) AC_SUBST(ENABLE_WERROR,[0]);;
697 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
700 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
701 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
702 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
703 if test ${enableval} = "yes" ; then
704 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
705 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
707 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
708 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
711 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
712 AC_ARG_ENABLE(debug-runtime,
713 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
714 if test ${enableval} = "no" ; then
715 AC_SUBST(DEBUG_RUNTIME,[[]])
717 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
720 dnl --enable-debug-symbols : should even optimized compiler libraries
721 dnl have debug symbols?
722 AC_ARG_ENABLE(debug-symbols,
723 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)
724 if test ${enableval} = "no" ; then
725 AC_SUBST(DEBUG_SYMBOLS,[[]])
727 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
730 dnl --enable-keep-symbols : do not strip installed executables
731 AC_ARG_ENABLE(keep-symbols,
732 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
733 if test ${enableval} = "no" ; then
734 AC_SUBST(KEEP_SYMBOLS,[[]])
736 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
739 dnl --enable-jit: check whether they want to enable the jit
741 AS_HELP_STRING(--enable-jit,
742 [Enable Just In Time Compiling (default is YES)]),,
744 if test ${enableval} = "no"
748 case "$llvm_cv_target_arch" in
749 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
750 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
751 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
752 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
753 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
754 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
755 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
756 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
757 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
758 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
759 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
760 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
761 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
765 dnl Allow enablement of building and installing docs
767 AS_HELP_STRING([--enable-docs],
768 [Build documents (default is YES)]),,
771 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
772 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
773 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
774 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
777 dnl Allow enablement of doxygen generated documentation
778 AC_ARG_ENABLE(doxygen,
779 AS_HELP_STRING([--enable-doxygen],
780 [Build doxygen documentation (default is NO)]),,
783 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
784 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
785 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
786 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
789 dnl Allow disablement of threads
790 AC_ARG_ENABLE(threads,
791 AS_HELP_STRING([--enable-threads],
792 [Use threads if available (default is YES)]),,
795 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
796 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
797 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
798 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
800 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
801 [Define if threads enabled])
803 dnl Allow disablement of pthread.h
804 AC_ARG_ENABLE(pthreads,
805 AS_HELP_STRING([--enable-pthreads],
806 [Use pthreads if available (default is YES)]),,
809 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
810 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
811 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
812 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
815 dnl Allow disablement of zlib
817 AS_HELP_STRING([--enable-zlib],
818 [Use zlib for compression/decompression if
819 available (default is YES)]),,
822 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
823 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
824 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
825 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
827 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
828 [Define if zlib is enabled])
830 dnl Allow building without position independent code
832 AS_HELP_STRING([--enable-pic],
833 [Build LLVM with Position Independent Code (default is YES)]),,
836 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
837 no) AC_SUBST(ENABLE_PIC,[0]) ;;
838 default) AC_SUBST(ENABLE_PIC,[1]) ;;
839 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
841 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
842 [Define if position independent code is enabled])
844 dnl Allow building a shared library and linking tools against it.
845 AC_ARG_ENABLE(shared,
846 AS_HELP_STRING([--enable-shared],
847 [Build a shared library and link tools against it (default is NO)]),,
850 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
851 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
852 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
853 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
856 dnl Allow libstdc++ is embedded in LLVM.dll.
857 AC_ARG_ENABLE(embed-stdcxx,
858 AS_HELP_STRING([--enable-embed-stdcxx],
859 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
862 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
863 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
864 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
865 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
868 dnl Enable embedding timestamp information into build.
869 AC_ARG_ENABLE(timestamps,
870 AS_HELP_STRING([--enable-timestamps],
871 [Enable embedding timestamp information in build (default is YES)]),,
874 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
875 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
876 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
877 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
879 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
880 [Define if timestamp information (e.g., __DATE__) is allowed])
882 dnl Enable support for showing backtraces.
883 AC_ARG_ENABLE(backtraces, AS_HELP_STRING(
884 [--enable-backtraces],
885 [Enable embedding backtraces on crash (default is YES)]),
886 [case "$enableval" in
887 yes) llvm_cv_enable_backtraces="yes" ;;
888 no) llvm_cv_enable_backtraces="no" ;;
889 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
891 llvm_cv_enable_backtraces="yes")
892 if test "$llvm_cv_enable_backtraces" = "yes" ; then
893 AC_DEFINE([ENABLE_BACKTRACES],[1],
894 [Define if you want backtraces on crash])
897 dnl Enable installing platform specific signal handling overrides, for improved
898 dnl CrashRecovery support or interaction with crash reporting software. This
899 dnl support may be inappropriate for some clients embedding LLVM as a library.
900 AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING(
901 [--enable-crash-overrides],
902 [Enable crash handling overrides (default is YES)]),
903 [case "$enableval" in
904 yes) llvm_cv_enable_crash_overrides="yes" ;;
905 no) llvm_cv_enable_crash_overrides="no" ;;
906 *) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;;
908 llvm_cv_enable_crash_overrides="yes")
909 if test "$llvm_cv_enable_crash_overrides" = "yes" ; then
910 AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1],
911 [Define to enable crash handling overrides])
914 dnl Allow specific targets to be specified for building (or not)
916 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
917 [Build specific host targets: all or target1,target2,... Valid targets are:
918 host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon,
919 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
921 if test "$enableval" = host-only ; then
925 all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600" ;;
926 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
928 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
929 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
930 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
931 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
932 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
933 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
934 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
935 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
936 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
937 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
938 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
939 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
940 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
941 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
942 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
943 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
944 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
945 host) case "$llvm_cv_target_arch" in
946 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
947 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
948 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
949 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
950 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
951 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
952 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
953 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
954 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
955 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
956 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
957 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
958 *) AC_MSG_ERROR([Can not set target to build]) ;;
960 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
966 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
967 [Build experimental host targets: disable or target1,target2,...
968 (default=disable)]),,
971 if test ${enableval} != "disable"
973 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
976 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
978 dnl Determine whether we are building LLVM support for the native architecture.
979 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
980 for a_target in $TARGETS_TO_BUILD; do
981 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
982 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
983 [LLVM architecture name for the native architecture, if available])
984 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
985 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
986 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
987 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
988 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
989 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
991 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
992 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
994 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
995 [LLVM name for the native Target init function, if available])
996 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
997 [LLVM name for the native TargetInfo init function, if available])
998 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
999 [LLVM name for the native target MC init function, if available])
1000 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
1001 [LLVM name for the native AsmPrinter init function, if available])
1002 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1003 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
1004 [LLVM name for the native AsmParser init function, if available])
1006 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1007 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
1008 [LLVM name for the native Disassembler init function, if available])
1013 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
1014 dnl target feature def files.
1015 LLVM_ENUM_TARGETS=""
1016 LLVM_ENUM_ASM_PRINTERS=""
1017 LLVM_ENUM_ASM_PARSERS=""
1018 LLVM_ENUM_DISASSEMBLERS=""
1019 for target_to_build in $TARGETS_TO_BUILD; do
1020 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
1021 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
1022 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
1024 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
1025 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
1027 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
1028 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
1031 AC_SUBST(LLVM_ENUM_TARGETS)
1032 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
1033 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
1034 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
1036 dnl Override the option to use for optimized builds.
1037 AC_ARG_WITH(optimize-option,
1038 AS_HELP_STRING([--with-optimize-option],
1039 [Select the compiler options to use for optimized builds]),,
1041 AC_MSG_CHECKING([optimization flags])
1044 case "$llvm_cv_os_type" in
1045 FreeBSD) optimize_option=-O2 ;;
1046 MingW) optimize_option=-O2 ;;
1047 *) optimize_option=-O3 ;;
1049 *) optimize_option="$withval" ;;
1051 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
1052 AC_MSG_RESULT([$optimize_option])
1054 dnl Specify extra build options
1055 AC_ARG_WITH(extra-options,
1056 AS_HELP_STRING([--with-extra-options],
1057 [Specify additional options to compile LLVM with]),,
1060 default) EXTRA_OPTIONS= ;;
1061 *) EXTRA_OPTIONS=$withval ;;
1063 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
1065 dnl Specify extra linker build options
1066 AC_ARG_WITH(extra-ld-options,
1067 AS_HELP_STRING([--with-extra-ld-options],
1068 [Specify additional options to link LLVM with]),,
1071 default) EXTRA_LD_OPTIONS= ;;
1072 *) EXTRA_LD_OPTIONS=$withval ;;
1074 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
1076 dnl Allow specific bindings to be specified for building (or not)
1077 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
1078 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
1080 BINDINGS_TO_BUILD=""
1081 case "$enableval" in
1082 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
1083 all ) BINDINGS_TO_BUILD="ocaml" ;;
1084 none | no) BINDINGS_TO_BUILD="" ;;
1085 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
1086 case "$a_binding" in
1087 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
1088 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
1094 dnl Allow the ocaml libdir to be overridden. This could go in a configure
1095 dnl script for bindings/ocaml/configure, except that its auto value depends on
1096 dnl OCAMLC, which is found here to support tests.
1097 AC_ARG_WITH([ocaml-libdir],
1098 [AS_HELP_STRING([--with-ocaml-libdir],
1099 [Specify install location for ocaml bindings (default is stdlib)])],
1103 auto) with_ocaml_libdir="$withval" ;;
1104 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
1105 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
1108 AC_ARG_WITH(clang-srcdir,
1109 AS_HELP_STRING([--with-clang-srcdir],
1110 [Directory to the out-of-tree Clang source]),,
1113 -) clang_src_root="" ;;
1114 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
1115 *) clang_src_root="$ac_pwd/$withval" ;;
1117 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1119 AC_ARG_WITH(clang-resource-dir,
1120 AS_HELP_STRING([--with-clang-resource-dir],
1121 [Relative directory from the Clang binary for resource files]),,
1123 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1124 [Relative directory for resource files])
1126 AC_ARG_WITH(c-include-dirs,
1127 AS_HELP_STRING([--with-c-include-dirs],
1128 [Colon separated list of directories clang will search for headers]),,
1130 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1131 [Directories clang will search for headers])
1133 # Clang normally uses the system c++ headers and libraries. With this option,
1134 # clang will use the ones provided by a gcc installation instead. This option should
1135 # be passed the same value that was used with --prefix when configuring gcc.
1136 AC_ARG_WITH(gcc-toolchain,
1137 AS_HELP_STRING([--with-gcc-toolchain],
1138 [Directory where gcc is installed.]),,
1140 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1141 [Directory where gcc is installed.])
1143 AC_ARG_WITH(default-sysroot,
1144 AS_HELP_STRING([--with-default-sysroot],
1145 [Add --sysroot=<path> to all compiler invocations.]),,
1147 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1148 [Default <path> to all compiler invocations for --sysroot=<path>.])
1150 dnl Allow linking of LLVM with GPLv3 binutils code.
1151 AC_ARG_WITH(binutils-include,
1152 AS_HELP_STRING([--with-binutils-include],
1153 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1156 default) WITH_BINUTILS_INCDIR=default ;;
1157 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1158 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1160 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1161 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1162 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1163 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1164 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1168 dnl Specify the URL where bug reports should be submitted.
1169 AC_ARG_WITH(bug-report-url,
1170 AS_HELP_STRING([--with-bug-report-url],
1171 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1172 withval="http://llvm.org/bugs/")
1173 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1176 dnl --enable-terminfo: check whether the user wants to control use of terminfo:
1177 AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
1178 [--enable-terminfo],
1179 [Query the terminfo database if available (default is YES)]),
1180 [case "$enableval" in
1181 yes) llvm_cv_enable_terminfo="yes" ;;
1182 no) llvm_cv_enable_terminfo="no" ;;
1183 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
1185 llvm_cv_enable_terminfo="yes")
1187 dnl --enable-libffi : check whether the user wants to turn off libffi:
1188 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1189 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1190 [case "$enableval" in
1191 yes) llvm_cv_enable_libffi="yes" ;;
1192 no) llvm_cv_enable_libffi="no" ;;
1193 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1195 llvm_cv_enable_libffi=no)
1197 AC_ARG_WITH(internal-prefix,
1198 AS_HELP_STRING([--with-internal-prefix],
1199 [Installation directory for internal files]),,
1201 AC_SUBST(INTERNAL_PREFIX,[$withval])
1203 dnl===-----------------------------------------------------------------------===
1205 dnl=== SECTION 4: Check for programs we need and that they are the right version
1207 dnl===-----------------------------------------------------------------------===
1212 dnl Check for the tools that the makefiles require
1215 AC_PATH_PROG(CMP, [cmp], [cmp])
1216 AC_PATH_PROG(CP, [cp], [cp])
1217 AC_PATH_PROG(DATE, [date], [date])
1218 AC_PATH_PROG(FIND, [find], [find])
1219 AC_PATH_PROG(GREP, [grep], [grep])
1220 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1221 AC_PATH_PROG(MV, [mv], [mv])
1223 AC_CHECK_TOOL(AR, ar, false)
1224 AC_PATH_PROG(RM, [rm], [rm])
1225 AC_PATH_PROG(SED, [sed], [sed])
1226 AC_PATH_PROG(TAR, [tar], [gtar])
1227 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1229 dnl Looking for misc. graph plotting software
1230 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
1231 if test "$GRAPHVIZ" != "echo Graphviz" ; then
1232 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
1233 dnl If we're targeting for mingw we should emit windows paths, not msys
1234 if test "$llvm_cv_os_type" = "MingW" ; then
1235 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1237 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1238 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1240 AC_PATH_PROG(DOT, [dot], [echo dot])
1241 if test "$DOT" != "echo dot" ; then
1242 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1243 dnl If we're targeting for mingw we should emit windows paths, not msys
1244 if test "$llvm_cv_os_type" = "MingW" ; then
1245 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1247 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1248 [Define to path to dot program if found or 'echo dot' otherwise])
1250 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1251 if test "$FDP" != "echo fdp" ; then
1252 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1253 dnl If we're targeting for mingw we should emit windows paths, not msys
1254 if test "$llvm_cv_os_type" = "MingW" ; then
1255 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1257 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1258 [Define to path to fdp program if found or 'echo fdp' otherwise])
1260 AC_PATH_PROG(NEATO, [neato], [echo neato])
1261 if test "$NEATO" != "echo neato" ; then
1262 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1263 dnl If we're targeting for mingw we should emit windows paths, not msys
1264 if test "$llvm_cv_os_type" = "MingW" ; then
1265 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1267 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1268 [Define to path to neato program if found or 'echo neato' otherwise])
1270 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1271 if test "$TWOPI" != "echo twopi" ; then
1272 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1273 dnl If we're targeting for mingw we should emit windows paths, not msys
1274 if test "$llvm_cv_os_type" = "MingW" ; then
1275 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1277 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1278 [Define to path to twopi program if found or 'echo twopi' otherwise])
1280 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1281 if test "$CIRCO" != "echo circo" ; then
1282 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1283 dnl If we're targeting for mingw we should emit windows paths, not msys
1284 if test "$llvm_cv_os_type" = "MingW" ; then
1285 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1287 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1288 [Define to path to circo program if found or 'echo circo' otherwise])
1290 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1291 if test "$GV" != "echo gv" ; then
1292 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1293 dnl If we're targeting for mingw we should emit windows paths, not msys
1294 if test "$llvm_cv_os_type" = "MingW" ; then
1295 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1297 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1298 [Define to path to gv program if found or 'echo gv' otherwise])
1300 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1301 if test "$DOTTY" != "echo dotty" ; then
1302 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1303 dnl If we're targeting for mingw we should emit windows paths, not msys
1304 if test "$llvm_cv_os_type" = "MingW" ; then
1305 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1307 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1308 [Define to path to dotty program if found or 'echo dotty' otherwise])
1310 AC_PATH_PROGS(XDOT, [xdot xdot.py], [echo xdot])
1311 if test "$XDOT" != "echo xdot" ; then
1312 AC_DEFINE([HAVE_XDOT],[1],[Define if the xdot program is available])
1313 dnl If we're targeting for mingw we should emit windows paths, not msys
1314 if test "$llvm_cv_os_type" = "MingW" ; then
1315 XDOT=`echo $XDOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1317 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT],"$XDOT${EXEEXT}",
1318 [Define to path to xdot program if found or 'echo xdot' otherwise])
1321 dnl Find the install program
1323 dnl Prepend src dir to install path dir if it's a relative path
1324 dnl This is a hack for installs that take place in something other
1325 dnl than the top level.
1327 [[\\/$]]* | ?:[[\\/]]* ) ;;
1328 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1331 dnl Checks for documentation and testing tools that we can do without. If these
1332 dnl are not found then they are set to "true" which always succeeds but does
1333 dnl nothing. This just lets the build output show that we could have done
1334 dnl something if the tool was available.
1335 AC_PATH_PROG(BZIP2, [bzip2])
1336 AC_PATH_PROG(CAT, [cat])
1337 AC_PATH_PROG(DOXYGEN, [doxygen])
1338 AC_PATH_PROG(GROFF, [groff])
1339 AC_PATH_PROG(GZIPBIN, [gzip])
1340 AC_PATH_PROG(PDFROFF, [pdfroff])
1341 AC_PATH_PROG(ZIP, [zip])
1342 AC_PATH_PROGS(OCAMLC, [ocamlc])
1343 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1344 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1345 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1346 AC_PATH_PROGS(GAS, [gas as])
1348 dnl Get the version of the linker in use.
1351 dnl Determine whether the linker supports the -R option.
1354 dnl Determine whether the compiler supports the -rdynamic option.
1355 AC_LINK_EXPORT_DYNAMIC
1357 dnl Determine whether the linker supports the --version-script option.
1358 AC_LINK_VERSION_SCRIPT
1360 dnl Check for libtool and the library that has dlopen function (which must come
1361 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1366 AC_MSG_CHECKING([tool compatibility])
1368 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1369 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1370 dnl to support those options.
1371 dnl "icc" emits gcc signatures
1372 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1384 if test "$GCC" != "yes" && test "$ICC" != "yes"
1386 AC_MSG_ERROR([gcc|icc required but not found])
1389 dnl Ensure that compilation tools are compatible with GCC extensions
1390 if test "$GXX" != "yes" && test "$IXX" != "yes"
1392 AC_MSG_ERROR([g++|clang++|icc required but not found])
1395 dnl Verify that GCC is version 3.0 or higher
1396 if test "$GCC" = "yes"
1401 #if !defined(__GNUC__) || __GNUC__ < 3
1402 #error Unsupported GCC version
1406 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1409 dnl Check for GNU Make. We use its extensions, so don't build without it
1410 if test -z "$llvm_cv_gnu_make_command"
1412 AC_MSG_ERROR([GNU Make required but not found])
1415 dnl Tool compatibility is okay if we make it here.
1418 dnl Check optional compiler flags.
1419 AC_MSG_CHECKING([optional compiler flags])
1420 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1421 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1422 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1424 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1425 dnl false positives, so disable it.
1427 NO_MAYBE_UNINITIALIZED=
1428 if test "$GXX" = "yes"
1430 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1431 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1432 dnl known to be uninitialized from cases which might be uninitialized. We
1433 dnl still want to catch the first kind of errors.
1434 if test -z "$NO_MAYBE_UNINITIALIZED"
1436 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1439 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
1441 AC_ARG_WITH([python],
1442 [AS_HELP_STRING([--with-python], [path to python])],
1443 [PYTHON="$withval"])
1445 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1446 AC_MSG_CHECKING([for python])
1447 AC_MSG_RESULT([user defined: $with_python])
1449 if test -n "$PYTHON" ; then
1450 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1453 AC_PATH_PROG([PYTHON], [python python2 python26],
1454 [AC_MSG_RESULT([not found])
1455 AC_MSG_ERROR([could not find python 2.5 or higher])])
1458 AC_MSG_CHECKING([for python >= 2.5])
1459 ac_python_version=`$PYTHON -V 2>&1 | cut -d' ' -f2`
1460 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1461 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1462 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1463 if test "$ac_python_version_major" -gt "2" || \
1464 (test "$ac_python_version_major" -eq "2" && \
1465 test "$ac_python_version_minor" -ge "5") ; then
1466 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1468 AC_MSG_RESULT([not found])
1469 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5])
1472 dnl===-----------------------------------------------------------------------===
1474 dnl=== SECTION 5: Check for libraries
1476 dnl===-----------------------------------------------------------------------===
1479 if test "$llvm_cv_os_type" = "MingW" ; then
1480 AC_CHECK_LIB(imagehlp, main)
1481 AC_CHECK_LIB(psapi, main)
1482 AC_CHECK_LIB(shell32, main)
1485 dnl dlopen() is required for plugin support.
1486 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1487 [Define if dlopen() is available on this platform.]),
1488 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1490 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1491 dnl macros to detect whether clock_gettime is available, this just finds the
1492 dnl right libraries to link with.
1493 AC_SEARCH_LIBS(clock_gettime,rt)
1495 dnl The curses library is optional; used for querying terminal info
1496 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1497 dnl We need the has_color functionality in curses for it to be useful.
1498 AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw,
1499 AC_DEFINE([HAVE_TERMINFO],[1],
1500 [Define if the setupterm() function is supported this platform.]))
1503 dnl libffi is optional; used to call external functions from the interpreter
1504 if test "$llvm_cv_enable_libffi" = "yes" ; then
1505 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1506 [Define if libffi is available on this platform.]),
1507 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1510 dnl mallinfo is optional; the code can compile (minus features) without it
1511 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1512 [Define if mallinfo() is available on this platform.]))
1514 dnl pthread locking functions are optional - but llvm will not be thread-safe
1516 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1517 AC_CHECK_LIB(pthread, pthread_mutex_init)
1518 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1519 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1520 [Have pthread_mutex_lock]))
1521 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1522 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1523 [Have pthread_rwlock_init]))
1524 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1525 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1526 [Have pthread_getspecific]))
1529 dnl zlib is optional; used for compression/uncompression
1530 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1531 AC_CHECK_LIB(z, compress2)
1534 dnl Allow extra x86-disassembler library
1536 AS_HELP_STRING([--with-udis86=<path>],
1537 [Use udis86 external x86 disassembler library]),
1539 AC_SUBST(USE_UDIS86, [1])
1542 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1544 AC_CHECK_LIB(udis86, ud_init, [], [
1545 echo "Error! You need to have libudis86 around."
1549 AC_SUBST(USE_UDIS86, [0]))
1550 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1551 [Define if use udis86 library])
1553 dnl Allow OProfile support for JIT output.
1554 AC_ARG_WITH(oprofile,
1555 AS_HELP_STRING([--with-oprofile=<prefix>],
1556 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1558 AC_SUBST(USE_OPROFILE, [1])
1560 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1562 AC_SUBST(USE_OPROFILE, [0]) ;;
1563 *) llvm_cv_oppath="${withval}/lib/oprofile"
1564 CPPFLAGS="-I${withval}/include";;
1566 case $llvm_cv_os_type in
1568 if test -n "$llvm_cv_oppath" ; then
1569 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1570 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1571 dnl libbfd is not included properly in libopagent in some Debian
1572 dnl versions. If libbfd isn't found at all, we assume opagent works
1574 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1575 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1576 echo "Error! You need to have libopagent around."
1579 AC_CHECK_HEADER([opagent.h], [], [
1580 echo "Error! You need to have opagent.h around."
1585 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1589 AC_SUBST(USE_OPROFILE, [0])
1591 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1592 [Define if we have the oprofile JIT-support library])
1594 dnl Enable support for Intel JIT Events API.
1595 AC_ARG_WITH(intel-jitevents,
1596 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1599 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1600 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1601 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1604 case $llvm_cv_os_type in
1605 Linux|Win32|Cygwin|MingW) ;;
1606 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1609 case "$llvm_cv_target_arch" in
1611 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1615 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1617 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1618 [Define if we have the Intel JIT API runtime support library])
1620 dnl Check for libxml2
1621 dnl Right now we're just checking for the existence, we could also check for a
1622 dnl particular version via --version on xml2-config
1623 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1625 AC_MSG_CHECKING(for libxml2 includes)
1626 if test "x$XML2CONFIG" = "x"; then
1627 AC_MSG_RESULT(xml2-config not found)
1629 LIBXML2_INC=`$XML2CONFIG --cflags`
1630 AC_MSG_RESULT($LIBXML2_INC)
1631 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1632 LIBXML2_LIBS="-lxml2"])
1634 AC_SUBST(LIBXML2_LIBS)
1635 AC_SUBST(LIBXML2_INC)
1637 dnl===-----------------------------------------------------------------------===
1639 dnl=== SECTION 6: Check for header files
1641 dnl===-----------------------------------------------------------------------===
1643 dnl First, use autoconf provided macros for specific headers that we need
1644 dnl We don't check for ancient stuff or things that are guaranteed to be there
1645 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1646 dnl Generally we're looking for POSIX headers.
1648 AC_HEADER_MMAP_ANONYMOUS
1654 AC_CHECK_HEADERS([cxxabi.h])
1656 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
1657 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1658 AC_CHECK_HEADERS([utime.h])
1659 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1660 AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
1661 AC_CHECK_HEADERS([valgrind/valgrind.h])
1662 AC_CHECK_HEADERS([fenv.h])
1663 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1664 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1665 AC_CHECK_HEADERS(pthread.h,
1666 AC_SUBST(HAVE_PTHREAD, 1),
1667 AC_SUBST(HAVE_PTHREAD, 0))
1669 AC_SUBST(HAVE_PTHREAD, 0)
1671 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1672 AC_CHECK_HEADERS(zlib.h,
1673 AC_SUBST(HAVE_LIBZ, 1),
1674 AC_SUBST(HAVE_LIBZ, 0))
1676 AC_SUBST(HAVE_LIBZ, 0)
1679 dnl Try to find ffi.h.
1680 if test "$llvm_cv_enable_libffi" = "yes" ; then
1681 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1684 dnl Try to find Darwin specific crash reporting libraries.
1685 AC_CHECK_HEADERS([CrashReporterClient.h])
1687 dnl Try to find Darwin specific crash reporting global.
1688 AC_MSG_CHECKING([__crashreporter_info__])
1692 extern const char *__crashreporter_info__;
1694 __crashreporter_info__ = "test";
1700 AC_MSG_RESULT([yes])
1701 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1705 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1708 dnl===-----------------------------------------------------------------------===
1710 dnl=== SECTION 7: Check for types and structures
1712 dnl===-----------------------------------------------------------------------===
1717 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1719 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1720 AC_CHECK_TYPES([uint64_t],,
1721 AC_CHECK_TYPES([u_int64_t],,
1722 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1724 dnl===-----------------------------------------------------------------------===
1726 dnl=== SECTION 8: Check for specific functions needed
1728 dnl===-----------------------------------------------------------------------===
1730 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1731 AC_CHECK_FUNCS([powf fmodf strtof round ])
1732 AC_CHECK_FUNCS([log log2 log10 exp exp2])
1733 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1734 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1735 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
1736 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1737 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1738 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1739 AC_CHECK_FUNCS([futimes futimens])
1743 dnl Check the declaration "Secure API" on Windows environments.
1744 AC_CHECK_DECLS([strerror_s])
1746 dnl Check symbols in libgcc.a for JIT on Mingw.
1747 if test "$llvm_cv_os_type" = "MingW" ; then
1748 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1749 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1750 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1751 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1753 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1754 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1755 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1756 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1757 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1758 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1759 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1760 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1761 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1762 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1764 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1765 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1768 dnl Check Win32 API EnumerateLoadedModules.
1769 if test "$llvm_cv_os_type" = "MingW" ; then
1770 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1774 #include <windows.h>
1775 #include <imagehlp.h>
1776 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1777 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1781 AC_MSG_RESULT([yes])
1782 llvm_cv_win32_elmcb_pcstr="PCSTR"
1786 llvm_cv_win32_elmcb_pcstr="PSTR"
1788 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1791 dnl Check for variations in the Standard C++ library and STL. These macros are
1792 dnl provided by LLVM in the autoconf/m4 directory.
1796 dnl Check for mmap support.We also need to know if /dev/zero is required to
1797 dnl be opened for allocating RWX memory.
1798 dnl Make sure we aren't attempting to configure for an unknown system
1799 if test "$llvm_cv_platform_type" = "Unix" ; then
1802 AC_NEED_DEV_ZERO_FOR_MMAP
1804 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1806 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1808 if test "$ac_cv_func_mmap_file" = "no"
1810 AC_MSG_WARN([mmap() of files required but not found])
1814 dnl atomic builtins are required for threading support.
1815 AC_MSG_CHECKING(for GCC atomic builtins)
1816 dnl Since we'll be using these atomic builtins in C++ files we should test
1817 dnl the C++ compiler.
1823 volatile unsigned long val = 1;
1824 __sync_synchronize();
1825 __sync_val_compare_and_swap(&val, 1, 0);
1826 __sync_add_and_fetch(&val, 1);
1827 __sync_sub_and_fetch(&val, 1);
1833 AC_MSG_RESULT([yes])
1834 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1838 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1839 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1843 dnl===-----------------------------------------------------------------------===
1845 dnl=== SECTION 9: Additional checks, variables, etc.
1847 dnl===-----------------------------------------------------------------------===
1849 dnl Handle 32-bit linux systems running a 64-bit kernel.
1850 dnl This has to come after section 4 because it invokes the compiler.
1851 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1853 if test "$llvm_cv_linux_mixed" = "yes"; then
1854 llvm_cv_target_arch="x86"
1859 dnl Check whether __dso_handle is present
1860 AC_CHECK_FUNCS([__dso_handle])
1862 dnl Propagate the shared library extension that the libltdl checks did to
1863 dnl the Makefiles so we can use it there too
1864 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1866 dnl Propagate the run-time library path variable that the libltdl
1867 dnl checks found to the Makefiles so we can use it there too
1868 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1870 dnl Translate the various configuration directories and other basic
1871 dnl information into substitutions that will end up in Makefile.config.in
1872 dnl that these configured values can be used by the makefiles
1873 if test "${prefix}" = "NONE" ; then
1876 eval LLVM_PREFIX="${prefix}";
1877 eval LLVM_BINDIR="${prefix}/bin";
1878 eval LLVM_DATADIR="${prefix}/share/llvm";
1879 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1880 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1881 eval LLVM_INCLUDEDIR="${prefix}/include";
1882 eval LLVM_INFODIR="${prefix}/info";
1883 eval LLVM_MANDIR="${prefix}/man";
1884 LLVM_CONFIGTIME=`date`
1885 AC_SUBST(LLVM_PREFIX)
1886 AC_SUBST(LLVM_BINDIR)
1887 AC_SUBST(LLVM_DATADIR)
1888 AC_SUBST(LLVM_DOCSDIR)
1889 AC_SUBST(LLVM_ETCDIR)
1890 AC_SUBST(LLVM_INCLUDEDIR)
1891 AC_SUBST(LLVM_INFODIR)
1892 AC_SUBST(LLVM_MANDIR)
1893 AC_SUBST(LLVM_CONFIGTIME)
1895 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1896 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1897 LLVM_CONFIGTIME="(timestamp not enabled)"
1900 dnl Place the various directories into the config.h file as #defines so that we
1901 dnl can know about the installation paths within LLVM.
1902 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1903 [Installation prefix directory])
1904 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1905 [Installation directory for binary executables])
1906 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1907 [Installation directory for data files])
1908 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1909 [Installation directory for documentation])
1910 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1911 [Installation directory for config files])
1912 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1913 [Installation directory for include files])
1914 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1915 [Installation directory for .info files])
1916 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1917 [Installation directory for man pages])
1918 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1919 [Time at which LLVM was configured])
1920 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
1921 [Host triple LLVM will be executed on])
1922 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1923 [Target triple LLVM will generate code for by default])
1925 dnl Determine which bindings to build.
1926 if test "$BINDINGS_TO_BUILD" = auto ; then
1927 BINDINGS_TO_BUILD=""
1928 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1929 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1932 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1934 dnl This isn't really configurey, but it avoids having to repeat the list in
1936 AC_SUBST(ALL_BINDINGS,ocaml)
1938 dnl Do any work necessary to ensure that bindings have what they need.
1939 binding_prereqs_failed=0
1940 for a_binding in $BINDINGS_TO_BUILD ; do
1941 case "$a_binding" in
1943 if test "x$OCAMLC" = x ; then
1944 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1945 binding_prereqs_failed=1
1947 if test "x$OCAMLDEP" = x ; then
1948 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1949 binding_prereqs_failed=1
1951 if test "x$OCAMLOPT" = x ; then
1952 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1953 dnl ocamlopt is optional!
1955 if test "x$with_ocaml_libdir" != xauto ; then
1956 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1958 ocaml_stdlib="`"$OCAMLC" -where`"
1959 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1961 # ocaml stdlib is beneath our prefix; use stdlib
1962 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1964 # ocaml stdlib is outside our prefix; use libdir/ocaml
1965 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
1971 if test "$binding_prereqs_failed" = 1 ; then
1972 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1975 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1976 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1978 dnl Determine linker rpath flag
1979 if test "$llvm_cv_link_use_r" = "yes" ; then
1986 dnl Determine linker rdynamic flag
1987 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1988 RDYNAMIC="-rdynamic"
1994 dnl===-----------------------------------------------------------------------===
1996 dnl=== SECTION 10: Specify the output files and generate it
1998 dnl===-----------------------------------------------------------------------===
2000 dnl Configure header files
2001 dnl WARNING: dnl If you add or remove any of the following config headers, then
2002 dnl you MUST also update Makefile so that the variable FilesToConfig
2003 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
2004 dnl files can be updated automatically when their *.in sources change.
2005 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
2006 AH_TOP([#ifndef CONFIG_H
2010 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
2011 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
2012 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
2013 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
2014 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
2016 dnl Configure the makefile's configuration data
2017 AC_CONFIG_FILES([Makefile.config])
2019 dnl Configure the RPM spec file for LLVM
2020 AC_CONFIG_FILES([llvm.spec])
2022 dnl Configure doxygen's configuration file
2023 AC_CONFIG_FILES([docs/doxygen.cfg])
2025 dnl Configure clang, if present
2026 if test "${clang_src_root}" = ""; then
2027 clang_src_root="$srcdir/tools/clang"
2029 if test -f ${clang_src_root}/README.txt; then
2030 dnl Use variables to stay under 80 columns.
2031 configh="include/clang/Config/config.h"
2032 doxy="docs/doxygen.cfg"
2033 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
2034 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
2037 dnl OCaml findlib META file
2038 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
2040 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
2041 test "x$program_prefix" = "xNONE" && program_prefix=""
2042 AC_SUBST([program_prefix])
2045 dnl Do special configuration of Makefiles
2046 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
2047 AC_CONFIG_MAKEFILE(Makefile)
2048 AC_CONFIG_MAKEFILE(Makefile.common)
2049 AC_CONFIG_MAKEFILE(examples/Makefile)
2050 AC_CONFIG_MAKEFILE(lib/Makefile)
2051 AC_CONFIG_MAKEFILE(test/Makefile)
2052 AC_CONFIG_MAKEFILE(test/Makefile.tests)
2053 AC_CONFIG_MAKEFILE(unittests/Makefile)
2054 AC_CONFIG_MAKEFILE(tools/Makefile)
2055 AC_CONFIG_MAKEFILE(utils/Makefile)
2056 AC_CONFIG_MAKEFILE(projects/Makefile)
2057 AC_CONFIG_MAKEFILE(bindings/Makefile)
2058 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
2060 dnl Finally, crank out the output