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.])])
169 AC_MSG_CHECKING([whether GCC is new enough])
170 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
171 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
172 #error This version of GCC is too old to build LLVM
175 [AC_MSG_RESULT([yes])],
178 The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade
179 to GCC 4.7. You may pass --disable-compiler-version-checks to configure to
180 bypass these sanity checks.])])
188 AC_MSG_ERROR([Invalid setting for --enable-compiler-version-checks. Use "yes" or "no"])
192 dnl Configure all of the projects present in our source tree. While we could
193 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
194 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
195 dnl Instead we match on the known projects.
198 dnl One tricky part of doing this is that some projects depend upon other
199 dnl projects. For example, several projects rely upon the LLVM test suite.
200 dnl We want to configure those projects first so that their object trees are
201 dnl created before running the configure scripts of projects that depend upon
205 dnl Several projects use the LLVM test suite, so configure it next.
206 if test -d ${srcdir}/projects/test-suite ; then
207 AC_CONFIG_SUBDIRS([projects/test-suite])
210 dnl llvm-test is the old name of the test-suite, kept here for backwards
212 if test -d ${srcdir}/projects/llvm-test ; then
213 AC_CONFIG_SUBDIRS([projects/llvm-test])
216 dnl Some projects use poolalloc; configure that next
217 if test -d ${srcdir}/projects/poolalloc ; then
218 AC_CONFIG_SUBDIRS([projects/poolalloc])
221 if test -d ${srcdir}/projects/llvm-poolalloc ; then
222 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
225 dnl Check for all other projects
226 for i in `ls ${srcdir}/projects`
228 if test -d ${srcdir}/projects/${i} ; then
230 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
231 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
238 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
244 dnl Disable the build of polly, even if it is checked out into tools/polly.
246 AS_HELP_STRING([--enable-polly],
247 [Use polly if available (default is YES)]),,
250 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
251 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
252 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
253 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
257 dnl Check if polly is checked out into tools/polly and configure it if
259 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
260 AC_SUBST(LLVM_HAS_POLLY,1)
261 AC_CONFIG_SUBDIRS([tools/polly])
264 dnl===-----------------------------------------------------------------------===
266 dnl=== SECTION 2: Architecture, target, and host checks
268 dnl===-----------------------------------------------------------------------===
270 dnl Check the target for which we're compiling and the host that will do the
271 dnl compilations. This will tell us which LLVM compiler will be used for
272 dnl compiling SSA into object code. This needs to be done early because
273 dnl following tests depend on it.
276 dnl Determine the platform type and cache its value. This helps us configure
277 dnl the System library to the correct build platform.
278 AC_CACHE_CHECK([type of operating system we're going to host on],
282 llvm_cv_link_all_option="-Wl,--whole-archive"
283 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
284 llvm_cv_os_type="AIX"
285 llvm_cv_platform_type="Unix" ;;
287 llvm_cv_link_all_option="-Wl,--whole-archive"
288 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
289 llvm_cv_os_type="IRIX"
290 llvm_cv_platform_type="Unix" ;;
292 llvm_cv_link_all_option="-Wl,--whole-archive"
293 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
294 llvm_cv_os_type="Cygwin"
295 llvm_cv_platform_type="Unix" ;;
297 llvm_cv_link_all_option="-Wl,-all_load"
298 llvm_cv_no_link_all_option="-Wl,-noall_load"
299 llvm_cv_os_type="Darwin"
300 llvm_cv_platform_type="Unix" ;;
302 llvm_cv_link_all_option="-Wl,-all_load"
303 llvm_cv_no_link_all_option="-Wl,-noall_load"
304 llvm_cv_os_type="Minix"
305 llvm_cv_platform_type="Unix" ;;
307 llvm_cv_link_all_option="-Wl,--whole-archive"
308 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
309 llvm_cv_os_type="FreeBSD"
310 llvm_cv_platform_type="Unix" ;;
312 llvm_cv_link_all_option="-Wl,--whole-archive"
313 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
314 llvm_cv_os_type="GNU/kFreeBSD"
315 llvm_cv_platform_type="Unix" ;;
317 llvm_cv_link_all_option="-Wl,--whole-archive"
318 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
319 llvm_cv_os_type="OpenBSD"
320 llvm_cv_platform_type="Unix" ;;
322 llvm_cv_link_all_option="-Wl,--whole-archive"
323 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
324 llvm_cv_os_type="NetBSD"
325 llvm_cv_platform_type="Unix" ;;
327 llvm_cv_link_all_option="-Wl,--whole-archive"
328 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
329 llvm_cv_os_type="DragonFly"
330 llvm_cv_platform_type="Unix" ;;
332 llvm_cv_link_all_option="-Wl,--whole-archive"
333 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
334 llvm_cv_os_type="HP-UX"
335 llvm_cv_platform_type="Unix" ;;
337 llvm_cv_link_all_option="-Wl,--whole-archive"
338 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
339 llvm_cv_os_type="Interix"
340 llvm_cv_platform_type="Unix" ;;
342 llvm_cv_link_all_option="-Wl,--whole-archive"
343 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
344 llvm_cv_os_type="Linux"
345 llvm_cv_platform_type="Unix" ;;
347 llvm_cv_link_all_option="-Wl,--whole-archive"
348 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
349 llvm_cv_os_type="GNU"
350 llvm_cv_platform_type="Unix" ;;
352 llvm_cv_link_all_option="-Wl,-z,allextract"
353 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
354 llvm_cv_os_type="SunOS"
355 llvm_cv_platform_type="Unix" ;;
357 llvm_cv_link_all_option="-Wl,-z,allextract"
358 llvm_cv_link_all_option="-Wl,-z,defaultextract"
359 llvm_cv_os_type="AuroraUX"
360 llvm_cv_platform_type="Unix" ;;
362 llvm_cv_link_all_option="-Wl,--whole-archive"
363 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
364 llvm_cv_os_type="Win32"
365 llvm_cv_platform_type="Win32" ;;
367 llvm_cv_link_all_option="-Wl,--whole-archive"
368 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
369 llvm_cv_os_type="MingW"
370 llvm_cv_platform_type="Win32" ;;
372 llvm_cv_link_all_option="-Wl,--whole-archive"
373 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
374 llvm_cv_os_type="Haiku"
375 llvm_cv_platform_type="Unix" ;;
377 llvm_cv_link_all_option="-Wl,--whole-archive"
378 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
379 llvm_cv_os_type="Freestanding"
380 llvm_cv_platform_type="Unix" ;;
382 llvm_cv_link_all_option="-Wl,--whole-archive"
383 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
384 llvm_cv_os_type="Freestanding"
385 llvm_cv_platform_type="Unix" ;;
387 llvm_cv_link_all_option=""
388 llvm_cv_no_link_all_option=""
389 llvm_cv_os_type="Unknown"
390 llvm_cv_platform_type="Unknown" ;;
393 AC_CACHE_CHECK([type of operating system we're going to target],
394 [llvm_cv_target_os_type],
397 llvm_cv_target_os_type="AIX" ;;
399 llvm_cv_target_os_type="IRIX" ;;
401 llvm_cv_target_os_type="Cygwin" ;;
403 llvm_cv_target_os_type="Darwin" ;;
405 llvm_cv_target_os_type="Minix" ;;
407 llvm_cv_target_os_type="FreeBSD" ;;
409 llvm_cv_target_os_type="GNU/kFreeBSD" ;;
411 llvm_cv_target_os_type="OpenBSD" ;;
413 llvm_cv_target_os_type="NetBSD" ;;
415 llvm_cv_target_os_type="DragonFly" ;;
417 llvm_cv_target_os_type="HP-UX" ;;
419 llvm_cv_target_os_type="Interix" ;;
421 llvm_cv_target_os_type="Linux" ;;
423 llvm_cv_target_os_type="GNU" ;;
425 llvm_cv_target_os_type="SunOS" ;;
427 llvm_cv_target_os_type="AuroraUX" ;;
429 llvm_cv_target_os_type="Win32" ;;
431 llvm_cv_target_os_type="MingW" ;;
433 llvm_cv_target_os_type="Haiku" ;;
435 llvm_cv_target_os_type="RTEMS" ;;
437 llvm_cv_target_os_type="NativeClient" ;;
439 llvm_cv_target_os_type="Freestanding" ;;
441 llvm_cv_target_os_type="Unknown" ;;
444 dnl Make sure we aren't attempting to configure for an unknown system
445 if test "$llvm_cv_os_type" = "Unknown" ; then
446 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
449 dnl Set the "OS" Makefile variable based on the platform type so the
450 dnl makefile can configure itself to specific build hosts
451 AC_SUBST(OS,$llvm_cv_os_type)
452 AC_SUBST(HOST_OS,$llvm_cv_os_type)
453 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
455 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
456 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
457 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
459 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
460 dnl This is used by lib/Support to determine the basic kind of implementation
462 case $llvm_cv_platform_type in
464 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
465 AC_SUBST(LLVM_ON_UNIX,[1])
466 AC_SUBST(LLVM_ON_WIN32,[0])
469 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
470 AC_SUBST(LLVM_ON_UNIX,[0])
471 AC_SUBST(LLVM_ON_WIN32,[1])
475 dnl Determine what our target architecture is and configure accordingly.
476 dnl This will allow Makefiles to make a distinction between the hardware and
478 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
480 i?86-*) llvm_cv_target_arch="x86" ;;
481 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
482 sparc*-*) llvm_cv_target_arch="Sparc" ;;
483 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
484 arm*-*) llvm_cv_target_arch="ARM" ;;
485 aarch64*-*) llvm_cv_target_arch="AArch64" ;;
486 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
487 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
488 xcore-*) llvm_cv_target_arch="XCore" ;;
489 msp430-*) llvm_cv_target_arch="MSP430" ;;
490 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
491 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
492 s390x-*) llvm_cv_target_arch="SystemZ" ;;
493 *) llvm_cv_target_arch="Unknown" ;;
496 if test "$llvm_cv_target_arch" = "Unknown" ; then
497 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
500 dnl Determine the LLVM native architecture for the target
501 case "$llvm_cv_target_arch" in
502 x86) LLVM_NATIVE_ARCH="X86" ;;
503 x86_64) LLVM_NATIVE_ARCH="X86" ;;
504 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
507 dnl Define a substitution, ARCH, for the target architecture
508 AC_SUBST(ARCH,$llvm_cv_target_arch)
510 dnl Determine what our host architecture.
511 dnl This will allow MCJIT regress tests runs only for supported
514 i?86-*) host_arch="x86" ;;
515 amd64-* | x86_64-*) host_arch="x86_64" ;;
516 sparc*-*) host_arch="Sparc" ;;
517 powerpc*-*) host_arch="PowerPC" ;;
518 arm*-*) host_arch="ARM" ;;
519 aarch64*-*) host_arch="AArch64" ;;
520 mips-* | mips64-*) host_arch="Mips" ;;
521 mipsel-* | mips64el-*) host_arch="Mips" ;;
522 xcore-*) host_arch="XCore" ;;
523 msp430-*) host_arch="MSP430" ;;
524 hexagon-*) host_arch="Hexagon" ;;
525 s390x-*) host_arch="SystemZ" ;;
526 *) host_arch="Unknown" ;;
529 if test "$host_arch" = "Unknown" ; then
530 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
533 AC_SUBST(HOST_ARCH,$host_arch)
535 dnl Check for build platform executable suffix if we're cross-compiling
536 if test "$cross_compiling" = yes; then
537 AC_SUBST(LLVM_CROSS_COMPILING, [1])
539 ac_build_prefix=${build_alias}-
540 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
541 if test -z "$BUILD_CXX"; then
542 AC_CHECK_PROG(BUILD_CXX, g++, g++)
543 if test -z "$BUILD_CXX"; then
544 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
548 AC_SUBST(LLVM_CROSS_COMPILING, [0])
551 dnl Check to see if there's a .svn or .git directory indicating that this
552 dnl build is being done from a checkout. This sets up several defaults for
553 dnl the command line switches. When we build with a checkout directory,
554 dnl we get a debug with assertions turned on. Without, we assume a source
555 dnl release and we get an optimized build without assertions.
556 dnl See --enable-optimized and --enable-assertions below
557 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
560 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
566 dnl===-----------------------------------------------------------------------===
568 dnl=== SECTION 3: Command line arguments for the configure script.
570 dnl===-----------------------------------------------------------------------===
572 dnl --enable-libcpp : check whether or not to use libc++ on the command line
573 AC_ARG_ENABLE(libcpp,
574 AS_HELP_STRING([--enable-libcpp],
575 [Use libc++ if available (default is NO)]),,
578 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
579 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
580 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
581 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
584 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
586 AS_HELP_STRING([--enable-cxx11],
587 [Use c++11 if available (default is NO)]),,
590 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
591 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
592 default) AC_SUBST(ENABLE_CXX11,[0]);;
593 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
596 dnl --enable-fission : check whether or not to use -gsplit-dwarf on the command
598 AC_ARG_ENABLE(split-dwarf,
599 AS_HELP_STRING([--enable-split-dwarf],
600 [Use split-dwarf if available (default is NO)]),,
603 yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;;
604 no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;;
605 default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);;
606 *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;;
609 dnl --enable-clang-arcmt: check whether to enable clang arcmt
611 AC_ARG_ENABLE(clang-arcmt,
612 AS_HELP_STRING([--enable-clang-arcmt],
613 [Enable building of clang ARCMT (default is YES)]),
614 clang_arcmt="$enableval",
617 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
618 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
619 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
620 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
623 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
624 clang_static_analyzer="yes"
625 AC_ARG_ENABLE(clang-static-analyzer,
626 AS_HELP_STRING([--enable-clang-static-analyzer],
627 [Enable building of clang Static Analyzer (default is YES)]),
628 clang_static_analyzer="$enableval",
631 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
633 if test ${clang_arcmt} != "no" ; then
634 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling static analyzer.])
636 AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0])
638 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
639 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
642 dnl --enable-clang-rewriter: check whether to enable clang rewriter
643 AC_ARG_ENABLE(clang-rewriter,
644 AS_HELP_STRING([--enable-clang-rewriter],
645 [Enable building of clang rewriter (default is YES)]),,
648 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;;
650 if test ${clang_arcmt} != "no" ; then
651 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
653 if test ${clang_static_analyzer} != "no" ; then
654 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
656 AC_SUBST(ENABLE_CLANG_REWRITER,[0])
658 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
659 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
662 dnl --enable-optimized : check whether they want to do an optimized build:
663 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
664 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
665 if test ${enableval} = "no" ; then
666 AC_SUBST(ENABLE_OPTIMIZED,[[]])
668 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
671 dnl --enable-profiling : check whether they want to do a profile build:
672 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
673 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
674 if test ${enableval} = "no" ; then
675 AC_SUBST(ENABLE_PROFILING,[[]])
677 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
680 dnl --enable-assertions : check whether they want to turn on assertions or not:
681 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
682 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
683 if test ${enableval} = "yes" ; then
684 AC_SUBST(DISABLE_ASSERTIONS,[[]])
686 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
689 dnl --enable-werror : check whether we want Werror on by default
690 AC_ARG_ENABLE(werror,AS_HELP_STRING(
691 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
693 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
694 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
695 default) AC_SUBST(ENABLE_WERROR,[0]);;
696 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
699 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
700 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
701 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
702 if test ${enableval} = "yes" ; then
703 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
704 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
706 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
707 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
710 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
711 AC_ARG_ENABLE(debug-runtime,
712 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
713 if test ${enableval} = "no" ; then
714 AC_SUBST(DEBUG_RUNTIME,[[]])
716 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
719 dnl --enable-debug-symbols : should even optimized compiler libraries
720 dnl have debug symbols?
721 AC_ARG_ENABLE(debug-symbols,
722 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)
723 if test ${enableval} = "no" ; then
724 AC_SUBST(DEBUG_SYMBOLS,[[]])
726 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
729 dnl --enable-keep-symbols : do not strip installed executables
730 AC_ARG_ENABLE(keep-symbols,
731 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
732 if test ${enableval} = "no" ; then
733 AC_SUBST(KEEP_SYMBOLS,[[]])
735 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
738 dnl --enable-jit: check whether they want to enable the jit
740 AS_HELP_STRING(--enable-jit,
741 [Enable Just In Time Compiling (default is YES)]),,
743 if test ${enableval} = "no"
747 case "$llvm_cv_target_arch" in
748 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
749 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
750 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
751 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
752 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
753 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
754 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
755 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
756 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
757 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
758 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
759 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
760 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
764 dnl Allow enablement of building and installing docs
766 AS_HELP_STRING([--enable-docs],
767 [Build documents (default is YES)]),,
770 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
771 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
772 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
773 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
776 dnl Allow enablement of doxygen generated documentation
777 AC_ARG_ENABLE(doxygen,
778 AS_HELP_STRING([--enable-doxygen],
779 [Build doxygen documentation (default is NO)]),,
782 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
783 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
784 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
785 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
788 dnl Allow disablement of threads
789 AC_ARG_ENABLE(threads,
790 AS_HELP_STRING([--enable-threads],
791 [Use threads if available (default is YES)]),,
794 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
795 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
796 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
797 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
799 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
800 [Define if threads enabled])
802 dnl Allow disablement of pthread.h
803 AC_ARG_ENABLE(pthreads,
804 AS_HELP_STRING([--enable-pthreads],
805 [Use pthreads if available (default is YES)]),,
808 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
809 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
810 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
811 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
814 dnl Allow disablement of zlib
816 AS_HELP_STRING([--enable-zlib],
817 [Use zlib for compression/decompression if
818 available (default is YES)]),,
821 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
822 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
823 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
824 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
826 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
827 [Define if zlib is enabled])
829 dnl Allow building without position independent code
831 AS_HELP_STRING([--enable-pic],
832 [Build LLVM with Position Independent Code (default is YES)]),,
835 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
836 no) AC_SUBST(ENABLE_PIC,[0]) ;;
837 default) AC_SUBST(ENABLE_PIC,[1]) ;;
838 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
840 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
841 [Define if position independent code is enabled])
843 dnl Allow building a shared library and linking tools against it.
844 AC_ARG_ENABLE(shared,
845 AS_HELP_STRING([--enable-shared],
846 [Build a shared library and link tools against it (default is NO)]),,
849 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
850 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
851 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
852 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
855 dnl Allow libstdc++ is embedded in LLVM.dll.
856 AC_ARG_ENABLE(embed-stdcxx,
857 AS_HELP_STRING([--enable-embed-stdcxx],
858 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
861 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
862 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
863 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
864 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
867 dnl Enable embedding timestamp information into build.
868 AC_ARG_ENABLE(timestamps,
869 AS_HELP_STRING([--enable-timestamps],
870 [Enable embedding timestamp information in build (default is YES)]),,
873 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
874 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
875 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
876 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
878 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
879 [Define if timestamp information (e.g., __DATE__) is allowed])
881 dnl Enable support for showing backtraces.
882 AC_ARG_ENABLE(backtraces, AS_HELP_STRING(
883 [--enable-backtraces],
884 [Enable embedding backtraces on crash (default is YES)]),
885 [case "$enableval" in
886 yes) llvm_cv_enable_backtraces="yes" ;;
887 no) llvm_cv_enable_backtraces="no" ;;
888 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
890 llvm_cv_enable_backtraces="yes")
891 if test "$llvm_cv_enable_backtraces" = "yes" ; then
892 AC_DEFINE([ENABLE_BACKTRACES],[1],
893 [Define if you want backtraces on crash])
896 dnl Enable installing platform specific signal handling overrides, for improved
897 dnl CrashRecovery support or interaction with crash reporting software. This
898 dnl support may be inappropriate for some clients embedding LLVM as a library.
899 AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING(
900 [--enable-crash-overrides],
901 [Enable crash handling overrides (default is YES)]),
902 [case "$enableval" in
903 yes) llvm_cv_enable_crash_overrides="yes" ;;
904 no) llvm_cv_enable_crash_overrides="no" ;;
905 *) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;;
907 llvm_cv_enable_crash_overrides="yes")
908 if test "$llvm_cv_enable_crash_overrides" = "yes" ; then
909 AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1],
910 [Define to enable crash handling overrides])
913 dnl Allow specific targets to be specified for building (or not)
915 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
916 [Build specific host targets: all or target1,target2,... Valid targets are:
917 host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon,
918 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
920 if test "$enableval" = host-only ; then
924 all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600" ;;
925 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
927 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
928 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
929 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
930 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
931 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
932 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
933 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
934 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
935 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
936 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
937 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
938 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
939 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
940 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
941 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
942 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
943 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
944 host) case "$llvm_cv_target_arch" in
945 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
946 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
947 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
948 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
949 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
950 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
951 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
952 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
953 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
954 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
955 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
956 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
957 *) AC_MSG_ERROR([Can not set target to build]) ;;
959 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
965 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
966 [Build experimental host targets: disable or target1,target2,...
967 (default=disable)]),,
970 if test ${enableval} != "disable"
972 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
975 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
977 dnl Determine whether we are building LLVM support for the native architecture.
978 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
979 for a_target in $TARGETS_TO_BUILD; do
980 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
981 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
982 [LLVM architecture name for the native architecture, if available])
983 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
984 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
985 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
986 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
987 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
988 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
990 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
991 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
993 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
994 [LLVM name for the native Target init function, if available])
995 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
996 [LLVM name for the native TargetInfo init function, if available])
997 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
998 [LLVM name for the native target MC init function, if available])
999 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
1000 [LLVM name for the native AsmPrinter init function, if available])
1001 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1002 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
1003 [LLVM name for the native AsmParser init function, if available])
1005 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1006 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
1007 [LLVM name for the native Disassembler init function, if available])
1012 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
1013 dnl target feature def files.
1014 LLVM_ENUM_TARGETS=""
1015 LLVM_ENUM_ASM_PRINTERS=""
1016 LLVM_ENUM_ASM_PARSERS=""
1017 LLVM_ENUM_DISASSEMBLERS=""
1018 for target_to_build in $TARGETS_TO_BUILD; do
1019 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
1020 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
1021 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
1023 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
1024 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
1026 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
1027 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
1030 AC_SUBST(LLVM_ENUM_TARGETS)
1031 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
1032 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
1033 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
1035 dnl Override the option to use for optimized builds.
1036 AC_ARG_WITH(optimize-option,
1037 AS_HELP_STRING([--with-optimize-option],
1038 [Select the compiler options to use for optimized builds]),,
1040 AC_MSG_CHECKING([optimization flags])
1043 case "$llvm_cv_os_type" in
1044 FreeBSD) optimize_option=-O2 ;;
1045 MingW) optimize_option=-O2 ;;
1046 *) optimize_option=-O3 ;;
1048 *) optimize_option="$withval" ;;
1050 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
1051 AC_MSG_RESULT([$optimize_option])
1053 dnl Specify extra build options
1054 AC_ARG_WITH(extra-options,
1055 AS_HELP_STRING([--with-extra-options],
1056 [Specify additional options to compile LLVM with]),,
1059 default) EXTRA_OPTIONS= ;;
1060 *) EXTRA_OPTIONS=$withval ;;
1062 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
1064 dnl Specify extra linker build options
1065 AC_ARG_WITH(extra-ld-options,
1066 AS_HELP_STRING([--with-extra-ld-options],
1067 [Specify additional options to link LLVM with]),,
1070 default) EXTRA_LD_OPTIONS= ;;
1071 *) EXTRA_LD_OPTIONS=$withval ;;
1073 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
1075 dnl Allow specific bindings to be specified for building (or not)
1076 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
1077 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
1079 BINDINGS_TO_BUILD=""
1080 case "$enableval" in
1081 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
1082 all ) BINDINGS_TO_BUILD="ocaml" ;;
1083 none | no) BINDINGS_TO_BUILD="" ;;
1084 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
1085 case "$a_binding" in
1086 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
1087 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
1093 dnl Allow the ocaml libdir to be overridden. This could go in a configure
1094 dnl script for bindings/ocaml/configure, except that its auto value depends on
1095 dnl OCAMLC, which is found here to support tests.
1096 AC_ARG_WITH([ocaml-libdir],
1097 [AS_HELP_STRING([--with-ocaml-libdir],
1098 [Specify install location for ocaml bindings (default is stdlib)])],
1102 auto) with_ocaml_libdir="$withval" ;;
1103 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
1104 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
1107 AC_ARG_WITH(clang-srcdir,
1108 AS_HELP_STRING([--with-clang-srcdir],
1109 [Directory to the out-of-tree Clang source]),,
1112 -) clang_src_root="" ;;
1113 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
1114 *) clang_src_root="$ac_pwd/$withval" ;;
1116 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1118 AC_ARG_WITH(clang-resource-dir,
1119 AS_HELP_STRING([--with-clang-resource-dir],
1120 [Relative directory from the Clang binary for resource files]),,
1122 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1123 [Relative directory for resource files])
1125 AC_ARG_WITH(c-include-dirs,
1126 AS_HELP_STRING([--with-c-include-dirs],
1127 [Colon separated list of directories clang will search for headers]),,
1129 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1130 [Directories clang will search for headers])
1132 # Clang normally uses the system c++ headers and libraries. With this option,
1133 # clang will use the ones provided by a gcc installation instead. This option should
1134 # be passed the same value that was used with --prefix when configuring gcc.
1135 AC_ARG_WITH(gcc-toolchain,
1136 AS_HELP_STRING([--with-gcc-toolchain],
1137 [Directory where gcc is installed.]),,
1139 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1140 [Directory where gcc is installed.])
1142 AC_ARG_WITH(default-sysroot,
1143 AS_HELP_STRING([--with-default-sysroot],
1144 [Add --sysroot=<path> to all compiler invocations.]),,
1146 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1147 [Default <path> to all compiler invocations for --sysroot=<path>.])
1149 dnl Allow linking of LLVM with GPLv3 binutils code.
1150 AC_ARG_WITH(binutils-include,
1151 AS_HELP_STRING([--with-binutils-include],
1152 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1155 default) WITH_BINUTILS_INCDIR=default ;;
1156 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1157 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1159 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1160 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1161 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1162 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1163 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1167 dnl Specify the URL where bug reports should be submitted.
1168 AC_ARG_WITH(bug-report-url,
1169 AS_HELP_STRING([--with-bug-report-url],
1170 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1171 withval="http://llvm.org/bugs/")
1172 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1175 dnl --enable-terminfo: check whether the user wants to control use of terminfo:
1176 AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
1177 [--enable-terminfo],
1178 [Query the terminfo database if available (default is YES)]),
1179 [case "$enableval" in
1180 yes) llvm_cv_enable_terminfo="yes" ;;
1181 no) llvm_cv_enable_terminfo="no" ;;
1182 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
1184 llvm_cv_enable_terminfo="yes")
1186 dnl --enable-libffi : check whether the user wants to turn off libffi:
1187 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1188 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1189 [case "$enableval" in
1190 yes) llvm_cv_enable_libffi="yes" ;;
1191 no) llvm_cv_enable_libffi="no" ;;
1192 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1194 llvm_cv_enable_libffi=no)
1196 AC_ARG_WITH(internal-prefix,
1197 AS_HELP_STRING([--with-internal-prefix],
1198 [Installation directory for internal files]),,
1200 AC_SUBST(INTERNAL_PREFIX,[$withval])
1202 dnl===-----------------------------------------------------------------------===
1204 dnl=== SECTION 4: Check for programs we need and that they are the right version
1206 dnl===-----------------------------------------------------------------------===
1211 dnl Check for the tools that the makefiles require
1214 AC_PATH_PROG(CMP, [cmp], [cmp])
1215 AC_PATH_PROG(CP, [cp], [cp])
1216 AC_PATH_PROG(DATE, [date], [date])
1217 AC_PATH_PROG(FIND, [find], [find])
1218 AC_PATH_PROG(GREP, [grep], [grep])
1219 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1220 AC_PATH_PROG(MV, [mv], [mv])
1222 AC_CHECK_TOOL(AR, ar, false)
1223 AC_PATH_PROG(RM, [rm], [rm])
1224 AC_PATH_PROG(SED, [sed], [sed])
1225 AC_PATH_PROG(TAR, [tar], [gtar])
1226 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1228 dnl Looking for misc. graph plotting software
1229 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
1230 if test "$GRAPHVIZ" != "echo Graphviz" ; then
1231 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
1232 dnl If we're targeting for mingw we should emit windows paths, not msys
1233 if test "$llvm_cv_os_type" = "MingW" ; then
1234 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1236 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1237 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1239 AC_PATH_PROG(DOT, [dot], [echo dot])
1240 if test "$DOT" != "echo dot" ; then
1241 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1242 dnl If we're targeting for mingw we should emit windows paths, not msys
1243 if test "$llvm_cv_os_type" = "MingW" ; then
1244 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1246 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1247 [Define to path to dot program if found or 'echo dot' otherwise])
1249 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1250 if test "$FDP" != "echo fdp" ; then
1251 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1252 dnl If we're targeting for mingw we should emit windows paths, not msys
1253 if test "$llvm_cv_os_type" = "MingW" ; then
1254 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1256 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1257 [Define to path to fdp program if found or 'echo fdp' otherwise])
1259 AC_PATH_PROG(NEATO, [neato], [echo neato])
1260 if test "$NEATO" != "echo neato" ; then
1261 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1262 dnl If we're targeting for mingw we should emit windows paths, not msys
1263 if test "$llvm_cv_os_type" = "MingW" ; then
1264 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1266 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1267 [Define to path to neato program if found or 'echo neato' otherwise])
1269 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1270 if test "$TWOPI" != "echo twopi" ; then
1271 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1272 dnl If we're targeting for mingw we should emit windows paths, not msys
1273 if test "$llvm_cv_os_type" = "MingW" ; then
1274 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1276 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1277 [Define to path to twopi program if found or 'echo twopi' otherwise])
1279 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1280 if test "$CIRCO" != "echo circo" ; then
1281 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1282 dnl If we're targeting for mingw we should emit windows paths, not msys
1283 if test "$llvm_cv_os_type" = "MingW" ; then
1284 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1286 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1287 [Define to path to circo program if found or 'echo circo' otherwise])
1289 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1290 if test "$GV" != "echo gv" ; then
1291 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1292 dnl If we're targeting for mingw we should emit windows paths, not msys
1293 if test "$llvm_cv_os_type" = "MingW" ; then
1294 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1296 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1297 [Define to path to gv program if found or 'echo gv' otherwise])
1299 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1300 if test "$DOTTY" != "echo dotty" ; then
1301 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1302 dnl If we're targeting for mingw we should emit windows paths, not msys
1303 if test "$llvm_cv_os_type" = "MingW" ; then
1304 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1306 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1307 [Define to path to dotty program if found or 'echo dotty' otherwise])
1309 AC_PATH_PROGS(XDOT, [xdot xdot.py], [echo xdot])
1310 if test "$XDOT" != "echo xdot" ; then
1311 AC_DEFINE([HAVE_XDOT],[1],[Define if the xdot program is available])
1312 dnl If we're targeting for mingw we should emit windows paths, not msys
1313 if test "$llvm_cv_os_type" = "MingW" ; then
1314 XDOT=`echo $XDOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1316 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT],"$XDOT${EXEEXT}",
1317 [Define to path to xdot program if found or 'echo xdot' otherwise])
1320 dnl Find the install program
1322 dnl Prepend src dir to install path dir if it's a relative path
1323 dnl This is a hack for installs that take place in something other
1324 dnl than the top level.
1326 [[\\/$]]* | ?:[[\\/]]* ) ;;
1327 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1330 dnl Checks for documentation and testing tools that we can do without. If these
1331 dnl are not found then they are set to "true" which always succeeds but does
1332 dnl nothing. This just lets the build output show that we could have done
1333 dnl something if the tool was available.
1334 AC_PATH_PROG(BZIP2, [bzip2])
1335 AC_PATH_PROG(CAT, [cat])
1336 AC_PATH_PROG(DOXYGEN, [doxygen])
1337 AC_PATH_PROG(GROFF, [groff])
1338 AC_PATH_PROG(GZIPBIN, [gzip])
1339 AC_PATH_PROG(PDFROFF, [pdfroff])
1340 AC_PATH_PROG(ZIP, [zip])
1341 AC_PATH_PROGS(OCAMLC, [ocamlc])
1342 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1343 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1344 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1345 AC_PATH_PROGS(GAS, [gas as])
1347 dnl Get the version of the linker in use.
1350 dnl Determine whether the linker supports the -R option.
1353 dnl Determine whether the compiler supports the -rdynamic option.
1354 AC_LINK_EXPORT_DYNAMIC
1356 dnl Determine whether the linker supports the --version-script option.
1357 AC_LINK_VERSION_SCRIPT
1359 dnl Check for libtool and the library that has dlopen function (which must come
1360 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1365 AC_MSG_CHECKING([tool compatibility])
1367 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1368 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1369 dnl to support those options.
1370 dnl "icc" emits gcc signatures
1371 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1383 if test "$GCC" != "yes" && test "$ICC" != "yes"
1385 AC_MSG_ERROR([gcc|icc required but not found])
1388 dnl Ensure that compilation tools are compatible with GCC extensions
1389 if test "$GXX" != "yes" && test "$IXX" != "yes"
1391 AC_MSG_ERROR([g++|clang++|icc required but not found])
1394 dnl Verify that GCC is version 3.0 or higher
1395 if test "$GCC" = "yes"
1400 #if !defined(__GNUC__) || __GNUC__ < 3
1401 #error Unsupported GCC version
1405 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1408 dnl Check for GNU Make. We use its extensions, so don't build without it
1409 if test -z "$llvm_cv_gnu_make_command"
1411 AC_MSG_ERROR([GNU Make required but not found])
1414 dnl Tool compatibility is okay if we make it here.
1417 dnl Check optional compiler flags.
1418 AC_MSG_CHECKING([optional compiler flags])
1419 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1420 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1421 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1423 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1424 dnl false positives, so disable it.
1426 NO_MAYBE_UNINITIALIZED=
1427 if test "$GXX" = "yes"
1429 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1430 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1431 dnl known to be uninitialized from cases which might be uninitialized. We
1432 dnl still want to catch the first kind of errors.
1433 if test -z "$NO_MAYBE_UNINITIALIZED"
1435 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1438 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
1440 AC_ARG_WITH([python],
1441 [AS_HELP_STRING([--with-python], [path to python])],
1442 [PYTHON="$withval"])
1444 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1445 AC_MSG_CHECKING([for python])
1446 AC_MSG_RESULT([user defined: $with_python])
1448 if test -n "$PYTHON" ; then
1449 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1452 AC_PATH_PROG([PYTHON], [python python2 python26],
1453 [AC_MSG_RESULT([not found])
1454 AC_MSG_ERROR([could not find python 2.5 or higher])])
1457 AC_MSG_CHECKING([for python >= 2.5])
1458 ac_python_version=`$PYTHON -V 2>&1 | cut -d' ' -f2`
1459 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1460 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1461 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1462 if test "$ac_python_version_major" -gt "2" || \
1463 (test "$ac_python_version_major" -eq "2" && \
1464 test "$ac_python_version_minor" -ge "5") ; then
1465 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1467 AC_MSG_RESULT([not found])
1468 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5])
1471 dnl===-----------------------------------------------------------------------===
1473 dnl=== SECTION 5: Check for libraries
1475 dnl===-----------------------------------------------------------------------===
1478 if test "$llvm_cv_os_type" = "MingW" ; then
1479 AC_CHECK_LIB(imagehlp, main)
1480 AC_CHECK_LIB(psapi, main)
1481 AC_CHECK_LIB(shell32, main)
1484 dnl dlopen() is required for plugin support.
1485 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1486 [Define if dlopen() is available on this platform.]),
1487 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1489 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1490 dnl macros to detect whether clock_gettime is available, this just finds the
1491 dnl right libraries to link with.
1492 AC_SEARCH_LIBS(clock_gettime,rt)
1494 dnl The curses library is optional; used for querying terminal info
1495 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1496 dnl We need the has_color functionality in curses for it to be useful.
1497 AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw,
1498 AC_DEFINE([HAVE_TERMINFO],[1],
1499 [Define if the setupterm() function is supported this platform.]))
1502 dnl libffi is optional; used to call external functions from the interpreter
1503 if test "$llvm_cv_enable_libffi" = "yes" ; then
1504 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1505 [Define if libffi is available on this platform.]),
1506 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1509 dnl mallinfo is optional; the code can compile (minus features) without it
1510 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1511 [Define if mallinfo() is available on this platform.]))
1513 dnl pthread locking functions are optional - but llvm will not be thread-safe
1515 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1516 AC_CHECK_LIB(pthread, pthread_mutex_init)
1517 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1518 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1519 [Have pthread_mutex_lock]))
1520 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1521 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1522 [Have pthread_rwlock_init]))
1523 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1524 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1525 [Have pthread_getspecific]))
1528 dnl zlib is optional; used for compression/uncompression
1529 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1530 AC_CHECK_LIB(z, compress2)
1533 dnl Allow extra x86-disassembler library
1535 AS_HELP_STRING([--with-udis86=<path>],
1536 [Use udis86 external x86 disassembler library]),
1538 AC_SUBST(USE_UDIS86, [1])
1541 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1543 AC_CHECK_LIB(udis86, ud_init, [], [
1544 echo "Error! You need to have libudis86 around."
1548 AC_SUBST(USE_UDIS86, [0]))
1549 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1550 [Define if use udis86 library])
1552 dnl Allow OProfile support for JIT output.
1553 AC_ARG_WITH(oprofile,
1554 AS_HELP_STRING([--with-oprofile=<prefix>],
1555 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1557 AC_SUBST(USE_OPROFILE, [1])
1559 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1561 AC_SUBST(USE_OPROFILE, [0]) ;;
1562 *) llvm_cv_oppath="${withval}/lib/oprofile"
1563 CPPFLAGS="-I${withval}/include";;
1565 case $llvm_cv_os_type in
1567 if test -n "$llvm_cv_oppath" ; then
1568 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1569 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1570 dnl libbfd is not included properly in libopagent in some Debian
1571 dnl versions. If libbfd isn't found at all, we assume opagent works
1573 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1574 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1575 echo "Error! You need to have libopagent around."
1578 AC_CHECK_HEADER([opagent.h], [], [
1579 echo "Error! You need to have opagent.h around."
1584 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1588 AC_SUBST(USE_OPROFILE, [0])
1590 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1591 [Define if we have the oprofile JIT-support library])
1593 dnl Enable support for Intel JIT Events API.
1594 AC_ARG_WITH(intel-jitevents,
1595 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1598 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1599 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1600 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1603 case $llvm_cv_os_type in
1604 Linux|Win32|Cygwin|MingW) ;;
1605 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1608 case "$llvm_cv_target_arch" in
1610 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1614 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1616 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1617 [Define if we have the Intel JIT API runtime support library])
1619 dnl Check for libxml2
1620 dnl Right now we're just checking for the existence, we could also check for a
1621 dnl particular version via --version on xml2-config
1622 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1624 AC_MSG_CHECKING(for libxml2 includes)
1625 if test "x$XML2CONFIG" = "x"; then
1626 AC_MSG_RESULT(xml2-config not found)
1628 LIBXML2_INC=`$XML2CONFIG --cflags`
1629 AC_MSG_RESULT($LIBXML2_INC)
1630 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1631 LIBXML2_LIBS="-lxml2"])
1633 AC_SUBST(LIBXML2_LIBS)
1634 AC_SUBST(LIBXML2_INC)
1636 dnl===-----------------------------------------------------------------------===
1638 dnl=== SECTION 6: Check for header files
1640 dnl===-----------------------------------------------------------------------===
1642 dnl First, use autoconf provided macros for specific headers that we need
1643 dnl We don't check for ancient stuff or things that are guaranteed to be there
1644 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1645 dnl Generally we're looking for POSIX headers.
1647 AC_HEADER_MMAP_ANONYMOUS
1653 AC_CHECK_HEADERS([cxxabi.h])
1655 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
1656 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1657 AC_CHECK_HEADERS([utime.h])
1658 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1659 AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
1660 AC_CHECK_HEADERS([valgrind/valgrind.h])
1661 AC_CHECK_HEADERS([fenv.h])
1662 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1663 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1664 AC_CHECK_HEADERS(pthread.h,
1665 AC_SUBST(HAVE_PTHREAD, 1),
1666 AC_SUBST(HAVE_PTHREAD, 0))
1668 AC_SUBST(HAVE_PTHREAD, 0)
1670 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1671 AC_CHECK_HEADERS(zlib.h,
1672 AC_SUBST(HAVE_LIBZ, 1),
1673 AC_SUBST(HAVE_LIBZ, 0))
1675 AC_SUBST(HAVE_LIBZ, 0)
1678 dnl Try to find ffi.h.
1679 if test "$llvm_cv_enable_libffi" = "yes" ; then
1680 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1683 dnl Try to find Darwin specific crash reporting libraries.
1684 AC_CHECK_HEADERS([CrashReporterClient.h])
1686 dnl Try to find Darwin specific crash reporting global.
1687 AC_MSG_CHECKING([__crashreporter_info__])
1691 extern const char *__crashreporter_info__;
1693 __crashreporter_info__ = "test";
1699 AC_MSG_RESULT([yes])
1700 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1704 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1707 dnl===-----------------------------------------------------------------------===
1709 dnl=== SECTION 7: Check for types and structures
1711 dnl===-----------------------------------------------------------------------===
1716 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1718 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1719 AC_CHECK_TYPES([uint64_t],,
1720 AC_CHECK_TYPES([u_int64_t],,
1721 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1723 dnl===-----------------------------------------------------------------------===
1725 dnl=== SECTION 8: Check for specific functions needed
1727 dnl===-----------------------------------------------------------------------===
1729 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1730 AC_CHECK_FUNCS([powf fmodf strtof round ])
1731 AC_CHECK_FUNCS([log log2 log10 exp exp2])
1732 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1733 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1734 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
1735 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1736 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1737 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1738 AC_CHECK_FUNCS([futimes futimens])
1742 dnl Check the declaration "Secure API" on Windows environments.
1743 AC_CHECK_DECLS([strerror_s])
1745 dnl Check symbols in libgcc.a for JIT on Mingw.
1746 if test "$llvm_cv_os_type" = "MingW" ; then
1747 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1748 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1749 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1750 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1752 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1753 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1754 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1755 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1756 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1757 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1758 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1759 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1760 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1761 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1763 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1764 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1767 dnl Check Win32 API EnumerateLoadedModules.
1768 if test "$llvm_cv_os_type" = "MingW" ; then
1769 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1773 #include <windows.h>
1774 #include <imagehlp.h>
1775 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1776 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1780 AC_MSG_RESULT([yes])
1781 llvm_cv_win32_elmcb_pcstr="PCSTR"
1785 llvm_cv_win32_elmcb_pcstr="PSTR"
1787 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1790 dnl Check for variations in the Standard C++ library and STL. These macros are
1791 dnl provided by LLVM in the autoconf/m4 directory.
1795 dnl Check for mmap support.We also need to know if /dev/zero is required to
1796 dnl be opened for allocating RWX memory.
1797 dnl Make sure we aren't attempting to configure for an unknown system
1798 if test "$llvm_cv_platform_type" = "Unix" ; then
1801 AC_NEED_DEV_ZERO_FOR_MMAP
1803 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1805 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1807 if test "$ac_cv_func_mmap_file" = "no"
1809 AC_MSG_WARN([mmap() of files required but not found])
1813 dnl atomic builtins are required for threading support.
1814 AC_MSG_CHECKING(for GCC atomic builtins)
1815 dnl Since we'll be using these atomic builtins in C++ files we should test
1816 dnl the C++ compiler.
1822 volatile unsigned long val = 1;
1823 __sync_synchronize();
1824 __sync_val_compare_and_swap(&val, 1, 0);
1825 __sync_add_and_fetch(&val, 1);
1826 __sync_sub_and_fetch(&val, 1);
1832 AC_MSG_RESULT([yes])
1833 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1837 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1838 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1842 dnl===-----------------------------------------------------------------------===
1844 dnl=== SECTION 9: Additional checks, variables, etc.
1846 dnl===-----------------------------------------------------------------------===
1848 dnl Handle 32-bit linux systems running a 64-bit kernel.
1849 dnl This has to come after section 4 because it invokes the compiler.
1850 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1852 if test "$llvm_cv_linux_mixed" = "yes"; then
1853 llvm_cv_target_arch="x86"
1858 dnl Check whether __dso_handle is present
1859 AC_CHECK_FUNCS([__dso_handle])
1861 dnl Propagate the shared library extension that the libltdl checks did to
1862 dnl the Makefiles so we can use it there too
1863 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1865 dnl Propagate the run-time library path variable that the libltdl
1866 dnl checks found to the Makefiles so we can use it there too
1867 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1869 dnl Translate the various configuration directories and other basic
1870 dnl information into substitutions that will end up in Makefile.config.in
1871 dnl that these configured values can be used by the makefiles
1872 if test "${prefix}" = "NONE" ; then
1875 eval LLVM_PREFIX="${prefix}";
1876 eval LLVM_BINDIR="${prefix}/bin";
1877 eval LLVM_DATADIR="${prefix}/share/llvm";
1878 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1879 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1880 eval LLVM_INCLUDEDIR="${prefix}/include";
1881 eval LLVM_INFODIR="${prefix}/info";
1882 eval LLVM_MANDIR="${prefix}/man";
1883 LLVM_CONFIGTIME=`date`
1884 AC_SUBST(LLVM_PREFIX)
1885 AC_SUBST(LLVM_BINDIR)
1886 AC_SUBST(LLVM_DATADIR)
1887 AC_SUBST(LLVM_DOCSDIR)
1888 AC_SUBST(LLVM_ETCDIR)
1889 AC_SUBST(LLVM_INCLUDEDIR)
1890 AC_SUBST(LLVM_INFODIR)
1891 AC_SUBST(LLVM_MANDIR)
1892 AC_SUBST(LLVM_CONFIGTIME)
1894 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1895 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1896 LLVM_CONFIGTIME="(timestamp not enabled)"
1899 dnl Place the various directories into the config.h file as #defines so that we
1900 dnl can know about the installation paths within LLVM.
1901 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1902 [Installation prefix directory])
1903 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1904 [Installation directory for binary executables])
1905 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1906 [Installation directory for data files])
1907 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1908 [Installation directory for documentation])
1909 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1910 [Installation directory for config files])
1911 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1912 [Installation directory for include files])
1913 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1914 [Installation directory for .info files])
1915 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1916 [Installation directory for man pages])
1917 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1918 [Time at which LLVM was configured])
1919 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
1920 [Host triple LLVM will be executed on])
1921 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1922 [Target triple LLVM will generate code for by default])
1924 dnl Determine which bindings to build.
1925 if test "$BINDINGS_TO_BUILD" = auto ; then
1926 BINDINGS_TO_BUILD=""
1927 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1928 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1931 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1933 dnl This isn't really configurey, but it avoids having to repeat the list in
1935 AC_SUBST(ALL_BINDINGS,ocaml)
1937 dnl Do any work necessary to ensure that bindings have what they need.
1938 binding_prereqs_failed=0
1939 for a_binding in $BINDINGS_TO_BUILD ; do
1940 case "$a_binding" in
1942 if test "x$OCAMLC" = x ; then
1943 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1944 binding_prereqs_failed=1
1946 if test "x$OCAMLDEP" = x ; then
1947 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1948 binding_prereqs_failed=1
1950 if test "x$OCAMLOPT" = x ; then
1951 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1952 dnl ocamlopt is optional!
1954 if test "x$with_ocaml_libdir" != xauto ; then
1955 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1957 ocaml_stdlib="`"$OCAMLC" -where`"
1958 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1960 # ocaml stdlib is beneath our prefix; use stdlib
1961 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1963 # ocaml stdlib is outside our prefix; use libdir/ocaml
1964 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
1970 if test "$binding_prereqs_failed" = 1 ; then
1971 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1974 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1975 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1977 dnl Determine linker rpath flag
1978 if test "$llvm_cv_link_use_r" = "yes" ; then
1985 dnl Determine linker rdynamic flag
1986 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1987 RDYNAMIC="-rdynamic"
1993 dnl===-----------------------------------------------------------------------===
1995 dnl=== SECTION 10: Specify the output files and generate it
1997 dnl===-----------------------------------------------------------------------===
1999 dnl Configure header files
2000 dnl WARNING: dnl If you add or remove any of the following config headers, then
2001 dnl you MUST also update Makefile so that the variable FilesToConfig
2002 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
2003 dnl files can be updated automatically when their *.in sources change.
2004 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
2005 AH_TOP([#ifndef CONFIG_H
2009 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
2010 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
2011 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
2012 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
2013 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
2015 dnl Configure the makefile's configuration data
2016 AC_CONFIG_FILES([Makefile.config])
2018 dnl Configure the RPM spec file for LLVM
2019 AC_CONFIG_FILES([llvm.spec])
2021 dnl Configure doxygen's configuration file
2022 AC_CONFIG_FILES([docs/doxygen.cfg])
2024 dnl Configure clang, if present
2025 if test "${clang_src_root}" = ""; then
2026 clang_src_root="$srcdir/tools/clang"
2028 if test -f ${clang_src_root}/README.txt; then
2029 dnl Use variables to stay under 80 columns.
2030 configh="include/clang/Config/config.h"
2031 doxy="docs/doxygen.cfg"
2032 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
2033 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
2036 dnl OCaml findlib META file
2037 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
2039 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
2040 test "x$program_prefix" = "xNONE" && program_prefix=""
2041 AC_SUBST([program_prefix])
2044 dnl Do special configuration of Makefiles
2045 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
2046 AC_CONFIG_MAKEFILE(Makefile)
2047 AC_CONFIG_MAKEFILE(Makefile.common)
2048 AC_CONFIG_MAKEFILE(examples/Makefile)
2049 AC_CONFIG_MAKEFILE(lib/Makefile)
2050 AC_CONFIG_MAKEFILE(test/Makefile)
2051 AC_CONFIG_MAKEFILE(test/Makefile.tests)
2052 AC_CONFIG_MAKEFILE(unittests/Makefile)
2053 AC_CONFIG_MAKEFILE(tools/Makefile)
2054 AC_CONFIG_MAKEFILE(utils/Makefile)
2055 AC_CONFIG_MAKEFILE(projects/Makefile)
2056 AC_CONFIG_MAKEFILE(bindings/Makefile)
2057 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
2059 dnl Finally, crank out the output