1 dnl === configure.ac --------------------------------------------------------===
2 dnl The LLVM Compiler Infrastructure
4 dnl This file is distributed under the University of Illinois Open Source
5 dnl License. See LICENSE.TXT for details.
7 dnl===-----------------------------------------------------------------------===
8 dnl This is the LLVM configuration script. It is processed by the autoconf
9 dnl program to produce a script named configure. This script contains the
10 dnl configuration checks that LLVM needs in order to support multiple platforms.
11 dnl This file is composed of 10 sections per the recommended organization of
12 dnl autoconf input defined in the autoconf documentation. As this file evolves,
13 dnl please keep the various types of checks within their sections. The sections
16 dnl SECTION 1: Initialization & Setup
17 dnl SECTION 2: Architecture, target, and host checks
18 dnl SECTION 3: Command line arguments for the configure script.
19 dnl SECTION 4: Check for programs we need and that they are the right version
20 dnl SECTION 5: Check for libraries
21 dnl SECTION 6: Check for header files
22 dnl SECTION 7: Check for types and structures
23 dnl SECTION 8: Check for specific functions needed
24 dnl SECTION 9: Additional checks, variables, etc.
25 dnl SECTION 10: Specify the output files and generate it
27 dnl===-----------------------------------------------------------------------===
29 dnl=== SECTION 1: Initialization & Setup
31 dnl===-----------------------------------------------------------------------===
32 dnl Initialize autoconf and define the package name, version number and
33 dnl address for reporting bugs.
35 AC_INIT([LLVM],[3.5.0svn],[http://llvm.org/bugs/])
40 LLVM_VERSION_SUFFIX=svn
42 AC_DEFINE_UNQUOTED([LLVM_VERSION_MAJOR], $LLVM_VERSION_MAJOR, [Major version of the LLVM API])
43 AC_DEFINE_UNQUOTED([LLVM_VERSION_MINOR], $LLVM_VERSION_MINOR, [Minor version of the LLVM API])
44 AC_DEFINE_UNQUOTED([LLVM_VERSION_PATCH], $LLVM_VERSION_PATCH, [Patch version of the LLVM API])
46 AC_SUBST([LLVM_VERSION_MAJOR])
47 AC_SUBST([LLVM_VERSION_MINOR])
48 AC_SUBST([LLVM_VERSION_PATCH])
49 AC_SUBST([LLVM_VERSION_SUFFIX])
51 dnl Provide a copyright substitution and ensure the copyright notice is included
52 dnl in the output of --version option of the generated configure script.
53 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2014 University of Illinois at Urbana-Champaign."])
54 AC_COPYRIGHT([Copyright (c) 2003-2014 University of Illinois at Urbana-Champaign.])
56 dnl Indicate that we require autoconf 2.60 or later.
59 dnl Verify that the source directory is valid. This makes sure that we are
60 dnl configuring LLVM and not some other package (it validates --srcdir argument)
61 AC_CONFIG_SRCDIR([lib/IR/Module.cpp])
63 dnl Place all of the extra autoconf files into the config subdirectory. Tell
64 dnl various tools where the m4 autoconf macros are.
65 AC_CONFIG_AUX_DIR([autoconf])
67 dnl Quit if the source directory has already been configured.
68 dnl NOTE: This relies upon undocumented autoconf behavior.
69 if test ${srcdir} != "." ; then
70 if test -f ${srcdir}/include/llvm/Config/config.h ; then
71 AC_MSG_ERROR([Already configured in ${srcdir}])
75 dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS,
76 dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc).
80 dnl We need to check for the compiler up here to avoid anything else
81 dnl starting with a different one.
83 AC_PROG_CXX(clang++ g++)
86 dnl If CXX is Clang, check that it can find and parse C++ standard library
88 if test "$CXX" = "clang++" ; then
89 AC_MSG_CHECKING([whether clang works])
91 dnl Note that space between 'include' and '(' is required. There's a broken
92 dnl regex in aclocal that otherwise will think that we call m4's include
94 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <limits>
95 #if __has_include (<cxxabi.h>)
98 #if __has_include (<unwind.h>)
107 AC_MSG_ERROR([Selected compiler could not find or parse C++ standard library headers. Rerun with CC=c-compiler CXX=c++-compiler ./configure ...])
112 dnl Set up variables that track whether the host compiler is GCC or Clang where
113 dnl we can effectively sanity check them. We don't try to sanity check all the
114 dnl other possible compilers.
115 AC_MSG_CHECKING([whether GCC or Clang is our host compiler])
117 llvm_cv_cxx_compiler=unknown
118 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __clang__
122 llvm_cv_cxx_compiler=clang,
123 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __GNUC__
127 llvm_cv_cxx_compiler=gcc, [])])
129 AC_MSG_RESULT([${llvm_cv_cxx_compiler}])
131 dnl Configure all of the projects present in our source tree. While we could
132 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
133 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
134 dnl Instead we match on the known projects.
137 dnl One tricky part of doing this is that some projects depend upon other
138 dnl projects. For example, several projects rely upon the LLVM test suite.
139 dnl We want to configure those projects first so that their object trees are
140 dnl created before running the configure scripts of projects that depend upon
144 dnl Several projects use the LLVM test suite, so configure it next.
145 if test -d ${srcdir}/projects/test-suite ; then
146 AC_CONFIG_SUBDIRS([projects/test-suite])
149 dnl llvm-test is the old name of the test-suite, kept here for backwards
151 if test -d ${srcdir}/projects/llvm-test ; then
152 AC_CONFIG_SUBDIRS([projects/llvm-test])
155 dnl Some projects use poolalloc; configure that next
156 if test -d ${srcdir}/projects/poolalloc ; then
157 AC_CONFIG_SUBDIRS([projects/poolalloc])
160 if test -d ${srcdir}/projects/llvm-poolalloc ; then
161 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
164 dnl Check for all other projects
165 for i in `ls ${srcdir}/projects`
167 if test -d ${srcdir}/projects/${i} ; then
169 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
176 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
182 dnl Disable the build of polly, even if it is checked out into tools/polly.
184 AS_HELP_STRING([--enable-polly],
185 [Use polly if available (default is YES)]),,
188 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
189 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
190 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
191 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
195 dnl Check if polly is checked out into tools/polly and configure it if
197 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
198 AC_SUBST(LLVM_HAS_POLLY,1)
199 AC_CONFIG_SUBDIRS([tools/polly])
202 dnl===-----------------------------------------------------------------------===
204 dnl=== SECTION 2: Architecture, target, and host checks
206 dnl===-----------------------------------------------------------------------===
208 dnl Check the target for which we're compiling and the host that will do the
209 dnl compilations. This will tell us which LLVM compiler will be used for
210 dnl compiling SSA into object code. This needs to be done early because
211 dnl following tests depend on it.
214 dnl Determine the platform type and cache its value. This helps us configure
215 dnl the System library to the correct build platform.
216 AC_CACHE_CHECK([type of operating system we're going to host on],
220 llvm_cv_link_all_option="-Wl,--whole-archive"
221 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
222 llvm_cv_os_type="AIX"
223 llvm_cv_platform_type="Unix" ;;
225 llvm_cv_link_all_option="-Wl,--whole-archive"
226 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
227 llvm_cv_os_type="IRIX"
228 llvm_cv_platform_type="Unix" ;;
230 llvm_cv_link_all_option="-Wl,--whole-archive"
231 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
232 llvm_cv_os_type="Cygwin"
233 llvm_cv_platform_type="Unix" ;;
235 llvm_cv_link_all_option="-Wl,-all_load"
236 llvm_cv_no_link_all_option="-Wl,-noall_load"
237 llvm_cv_os_type="Darwin"
238 llvm_cv_platform_type="Unix" ;;
240 llvm_cv_link_all_option="-Wl,-all_load"
241 llvm_cv_no_link_all_option="-Wl,-noall_load"
242 llvm_cv_os_type="Minix"
243 llvm_cv_platform_type="Unix" ;;
245 llvm_cv_link_all_option="-Wl,--whole-archive"
246 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
247 llvm_cv_os_type="FreeBSD"
248 llvm_cv_platform_type="Unix" ;;
250 llvm_cv_link_all_option="-Wl,--whole-archive"
251 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
252 llvm_cv_os_type="GNU/kFreeBSD"
253 llvm_cv_platform_type="Unix" ;;
255 llvm_cv_link_all_option="-Wl,--whole-archive"
256 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
257 llvm_cv_os_type="OpenBSD"
258 llvm_cv_platform_type="Unix" ;;
260 llvm_cv_link_all_option="-Wl,--whole-archive"
261 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
262 llvm_cv_os_type="NetBSD"
263 llvm_cv_platform_type="Unix" ;;
265 llvm_cv_link_all_option="-Wl,--whole-archive"
266 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
267 llvm_cv_os_type="DragonFly"
268 llvm_cv_platform_type="Unix" ;;
270 llvm_cv_link_all_option="-Wl,--whole-archive"
271 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
272 llvm_cv_os_type="HP-UX"
273 llvm_cv_platform_type="Unix" ;;
275 llvm_cv_link_all_option="-Wl,--whole-archive"
276 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
277 llvm_cv_os_type="Interix"
278 llvm_cv_platform_type="Unix" ;;
280 llvm_cv_link_all_option="-Wl,--whole-archive"
281 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
282 llvm_cv_os_type="Linux"
283 llvm_cv_platform_type="Unix" ;;
285 llvm_cv_link_all_option="-Wl,--whole-archive"
286 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
287 llvm_cv_os_type="GNU"
288 llvm_cv_platform_type="Unix" ;;
290 llvm_cv_link_all_option="-Wl,-z,allextract"
291 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
292 llvm_cv_os_type="SunOS"
293 llvm_cv_platform_type="Unix" ;;
295 llvm_cv_link_all_option="-Wl,-z,allextract"
296 llvm_cv_link_all_option="-Wl,-z,defaultextract"
297 llvm_cv_os_type="AuroraUX"
298 llvm_cv_platform_type="Unix" ;;
300 llvm_cv_link_all_option="-Wl,--whole-archive"
301 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
302 llvm_cv_os_type="Win32"
303 llvm_cv_platform_type="Win32" ;;
305 llvm_cv_link_all_option="-Wl,--whole-archive"
306 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
307 llvm_cv_os_type="MingW"
308 llvm_cv_platform_type="Win32" ;;
310 llvm_cv_link_all_option="-Wl,--whole-archive"
311 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
312 llvm_cv_os_type="Haiku"
313 llvm_cv_platform_type="Unix" ;;
315 llvm_cv_link_all_option="-Wl,--whole-archive"
316 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
317 llvm_cv_os_type="Freestanding"
318 llvm_cv_platform_type="Unix" ;;
320 llvm_cv_link_all_option="-Wl,--whole-archive"
321 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
322 llvm_cv_os_type="Freestanding"
323 llvm_cv_platform_type="Unix" ;;
325 llvm_cv_link_all_option=""
326 llvm_cv_no_link_all_option=""
327 llvm_cv_os_type="Unknown"
328 llvm_cv_platform_type="Unknown" ;;
331 AC_CACHE_CHECK([type of operating system we're going to target],
332 [llvm_cv_target_os_type],
335 llvm_cv_target_os_type="AIX" ;;
337 llvm_cv_target_os_type="IRIX" ;;
339 llvm_cv_target_os_type="Cygwin" ;;
341 llvm_cv_target_os_type="Darwin" ;;
343 llvm_cv_target_os_type="Minix" ;;
345 llvm_cv_target_os_type="FreeBSD" ;;
347 llvm_cv_target_os_type="GNU/kFreeBSD" ;;
349 llvm_cv_target_os_type="OpenBSD" ;;
351 llvm_cv_target_os_type="NetBSD" ;;
353 llvm_cv_target_os_type="DragonFly" ;;
355 llvm_cv_target_os_type="HP-UX" ;;
357 llvm_cv_target_os_type="Interix" ;;
359 llvm_cv_target_os_type="Linux" ;;
361 llvm_cv_target_os_type="GNU" ;;
363 llvm_cv_target_os_type="SunOS" ;;
365 llvm_cv_target_os_type="AuroraUX" ;;
367 llvm_cv_target_os_type="Win32" ;;
369 llvm_cv_target_os_type="MingW" ;;
371 llvm_cv_target_os_type="Haiku" ;;
373 llvm_cv_target_os_type="RTEMS" ;;
375 llvm_cv_target_os_type="NativeClient" ;;
377 llvm_cv_target_os_type="Freestanding" ;;
379 llvm_cv_target_os_type="Unknown" ;;
382 dnl Make sure we aren't attempting to configure for an unknown system
383 if test "$llvm_cv_os_type" = "Unknown" ; then
384 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
387 dnl Set the "OS" Makefile variable based on the platform type so the
388 dnl makefile can configure itself to specific build hosts
389 AC_SUBST(OS,$llvm_cv_os_type)
390 AC_SUBST(HOST_OS,$llvm_cv_os_type)
391 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
393 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
394 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
395 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
397 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
398 dnl This is used by lib/Support to determine the basic kind of implementation
400 case $llvm_cv_platform_type in
402 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
403 AC_SUBST(LLVM_ON_UNIX,[1])
404 AC_SUBST(LLVM_ON_WIN32,[0])
407 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
408 AC_SUBST(LLVM_ON_UNIX,[0])
409 AC_SUBST(LLVM_ON_WIN32,[1])
413 dnl Determine what our target architecture is and configure accordingly.
414 dnl This will allow Makefiles to make a distinction between the hardware and
416 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
418 i?86-*) llvm_cv_target_arch="x86" ;;
419 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
420 sparc*-*) llvm_cv_target_arch="Sparc" ;;
421 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
422 arm64*-*) llvm_cv_target_arch="AArch64" ;;
423 arm*-*) llvm_cv_target_arch="ARM" ;;
424 aarch64*-*) llvm_cv_target_arch="AArch64" ;;
425 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
426 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
427 xcore-*) llvm_cv_target_arch="XCore" ;;
428 msp430-*) llvm_cv_target_arch="MSP430" ;;
429 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
430 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
431 s390x-*) llvm_cv_target_arch="SystemZ" ;;
432 *) llvm_cv_target_arch="Unknown" ;;
435 if test "$llvm_cv_target_arch" = "Unknown" ; then
436 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
439 dnl Determine the LLVM native architecture for the target
440 case "$llvm_cv_target_arch" in
441 x86) LLVM_NATIVE_ARCH="X86" ;;
442 x86_64) LLVM_NATIVE_ARCH="X86" ;;
443 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
446 dnl Define a substitution, ARCH, for the target architecture
447 AC_SUBST(ARCH,$llvm_cv_target_arch)
448 AC_SUBST(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCH)
450 dnl Determine what our host architecture.
451 dnl This will allow MCJIT regress tests runs only for supported
454 i?86-*) host_arch="x86" ;;
455 amd64-* | x86_64-*) host_arch="x86_64" ;;
456 sparc*-*) host_arch="Sparc" ;;
457 powerpc*-*) host_arch="PowerPC" ;;
458 arm64*-*) host_arch="AArch64" ;;
459 arm*-*) host_arch="ARM" ;;
460 aarch64*-*) host_arch="AArch64" ;;
461 mips-* | mips64-*) host_arch="Mips" ;;
462 mipsel-* | mips64el-*) host_arch="Mips" ;;
463 xcore-*) host_arch="XCore" ;;
464 msp430-*) host_arch="MSP430" ;;
465 hexagon-*) host_arch="Hexagon" ;;
466 s390x-*) host_arch="SystemZ" ;;
467 *) host_arch="Unknown" ;;
470 if test "$host_arch" = "Unknown" ; then
471 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
474 AC_SUBST(HOST_ARCH,$host_arch)
476 dnl Check for build platform executable suffix if we're cross-compiling
477 if test "$cross_compiling" = yes; then
478 AC_SUBST(LLVM_CROSS_COMPILING, [1])
480 ac_build_prefix=${build_alias}-
481 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
482 if test -z "$BUILD_CXX"; then
483 AC_CHECK_PROG(BUILD_CXX, g++, g++)
484 if test -z "$BUILD_CXX"; then
485 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
489 AC_SUBST(LLVM_CROSS_COMPILING, [0])
492 dnl Check to see if there's a .svn or .git directory indicating that this
493 dnl build is being done from a checkout. This sets up several defaults for
494 dnl the command line switches. When we build with a checkout directory,
495 dnl we get a debug with assertions turned on. Without, we assume a source
496 dnl release and we get an optimized build without assertions.
497 dnl See --enable-optimized and --enable-assertions below
498 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
501 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
507 dnl===-----------------------------------------------------------------------===
509 dnl=== SECTION 3: Command line arguments for the configure script.
511 dnl===-----------------------------------------------------------------------===
513 dnl --enable-libcpp : check whether or not to use libc++ on the command line
514 AC_ARG_ENABLE(libcpp,
515 AS_HELP_STRING([--enable-libcpp],
516 [Use libc++ if available (default is NO)]),,
519 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
520 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
521 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
522 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
525 dnl Check both GCC and Clang for sufficiently modern versions. These checks can
526 dnl be bypassed by passing a flag if necessary on a platform. We have to do
527 dnl these checks here so that we have the configuration of the standard C++
528 dnl library finished.
529 AC_ARG_ENABLE(compiler-version-checks,
530 AS_HELP_STRING([--enable-compiler-version-checks],
531 [Check the version of the host compiler (default is YES)]),,
538 case "$llvm_cv_cxx_compiler" in
540 AC_MSG_CHECKING([whether Clang is new enough])
541 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
542 #if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 1)
543 #error This version of Clang is too old to build LLVM
546 [AC_MSG_RESULT([yes])],
549 The selected Clang compiler is not new enough to build LLVM. Please upgrade to
550 Clang 3.1. You may pass --disable-compiler-version-checks to configure to
551 bypass these sanity checks.])])
553 dnl Note that libstdc++4.6 is known broken for C++11 builds. The errors
554 dnl are sometimes deeply confusing though. Here we test for an obvious
555 dnl incomplete feature in 4.6's standard library that was completed in
556 dnl 4.7's. We also have to disable this test if 'ENABLE_LIBCPP' is set
557 dnl because the enable flags don't actually fix CXXFLAGS, they rely on
558 dnl that happening in the Makefile.
559 if test "$ENABLE_LIBCPP" -eq 0 ; then
560 AC_MSG_CHECKING([whether Clang will select a modern C++ standard library])
561 llvm_cv_old_cxxflags="$CXXFLAGS"
562 CXXFLAGS="$CXXFLAGS -std=c++0x"
563 AC_LINK_IFELSE([AC_LANG_SOURCE([[
565 std::atomic<float> x(0.0f);
566 int main() { return (float)x; }
568 [AC_MSG_RESULT([yes])],
571 We detected a missing feature in the standard C++ library that was known to be
572 missing in libstdc++4.6 and implemented in libstdc++4.7. There are numerous
573 C++11 problems with 4.6's library, and we don't support GCCs or libstdc++ older
574 than 4.7. You will need to update your system and ensure Clang uses the newer
577 If this error is incorrect or you need to force things to work, you may pass
578 '--disable-compiler-version-checks' to configure to bypass this test.])])
579 CXXFLAGS="$llvm_cv_old_cxxflags"
583 AC_MSG_CHECKING([whether GCC is new enough])
584 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
585 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
586 #error This version of GCC is too old to build LLVM
589 [AC_MSG_RESULT([yes])],
592 The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade
593 to GCC 4.7. You may pass --disable-compiler-version-checks to configure to
594 bypass these sanity checks.])])
602 AC_MSG_ERROR([Invalid setting for --enable-compiler-version-checks. Use "yes" or "no"])
606 dnl --enable-cxx1y : check whether or not to use -std=c++1y on the command line
608 AS_HELP_STRING([--enable-cxx1y],
609 [Use c++1y if available (default is NO)]),,
612 yes) AC_SUBST(ENABLE_CXX1Y,[1]) ;;
613 no) AC_SUBST(ENABLE_CXX1Y,[0]) ;;
614 default) AC_SUBST(ENABLE_CXX1Y,[0]);;
615 *) AC_MSG_ERROR([Invalid setting for --enable-cxx1y. Use "yes" or "no"]) ;;
618 dnl --enable-split-dwarf : check whether or not to use -gsplit-dwarf on the command
620 AC_ARG_ENABLE(split-dwarf,
621 AS_HELP_STRING([--enable-split-dwarf],
622 [Use split-dwarf if available (default is NO)]),,
625 yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;;
626 no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;;
627 default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);;
628 *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;;
631 dnl --enable-clang-arcmt: check whether to enable clang arcmt
633 AC_ARG_ENABLE(clang-arcmt,
634 AS_HELP_STRING([--enable-clang-arcmt],
635 [Enable building of clang ARCMT (default is YES)]),
636 clang_arcmt="$enableval",
639 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
640 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
641 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
642 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
645 dnl --enable-clang-plugin-support: check whether to enable plugins in clang
646 clang_plugin_support="yes"
647 AC_ARG_ENABLE(clang-plugin-support,
648 AS_HELP_STRING([--enable-clang-plugin-support],
649 [Enable plugin support in clang (default is YES)]),
650 clang_plugin_support="$enableval",
653 yes) AC_SUBST(CLANG_PLUGIN_SUPPORT,[1]) ;;
654 no) AC_SUBST(CLANG_PLUGIN_SUPPORT,[0]) ;;
655 default) AC_SUBST(CLANG_PLUGIN_SUPPORT,[1]);;
656 *) AC_MSG_ERROR([Invalid setting for --enable-clang-plugin-support. Use "yes" or "no"]) ;;
659 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
660 clang_static_analyzer="yes"
661 AC_ARG_ENABLE(clang-static-analyzer,
662 AS_HELP_STRING([--enable-clang-static-analyzer],
663 [Enable building of clang Static Analyzer (default is YES)]),
664 clang_static_analyzer="$enableval",
667 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
669 if test ${clang_arcmt} != "no" ; then
670 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling static analyzer.])
672 AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0])
674 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
675 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
678 dnl --enable-clang-rewriter: check whether to enable clang rewriter
679 AC_ARG_ENABLE(clang-rewriter,
680 AS_HELP_STRING([--enable-clang-rewriter],
681 [Enable building of clang rewriter (default is YES)]),,
684 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;;
686 if test ${clang_arcmt} != "no" ; then
687 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
689 if test ${clang_static_analyzer} != "no" ; then
690 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
692 AC_SUBST(ENABLE_CLANG_REWRITER,[0])
694 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
695 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
698 dnl --enable-optimized : check whether they want to do an optimized build:
699 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
700 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
701 if test ${enableval} = "no" ; then
702 AC_SUBST(ENABLE_OPTIMIZED,[[]])
704 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
707 dnl --enable-profiling : check whether they want to do a profile build:
708 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
709 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
710 if test ${enableval} = "no" ; then
711 AC_SUBST(ENABLE_PROFILING,[[]])
713 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
716 dnl --enable-assertions : check whether they want to turn on assertions or not:
717 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
718 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
719 if test ${enableval} = "yes" ; then
720 AC_SUBST(DISABLE_ASSERTIONS,[[]])
722 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
725 dnl --enable-werror : check whether we want Werror on by default
726 AC_ARG_ENABLE(werror,AS_HELP_STRING(
727 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
729 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
730 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
731 default) AC_SUBST(ENABLE_WERROR,[0]);;
732 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
735 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
736 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
737 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
738 if test ${enableval} = "yes" ; then
739 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
740 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
742 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
743 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
746 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
747 AC_ARG_ENABLE(debug-runtime,
748 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
749 if test ${enableval} = "no" ; then
750 AC_SUBST(DEBUG_RUNTIME,[[]])
752 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
755 dnl --enable-debug-symbols : should even optimized compiler libraries
756 dnl have debug symbols?
757 AC_ARG_ENABLE(debug-symbols,
758 AS_HELP_STRING(--enable-debug-symbols,[Build compiler with debug symbols (default is NO if optimization is on and YES if it's off)]),,enableval=no)
759 if test ${enableval} = "no" ; then
760 AC_SUBST(DEBUG_SYMBOLS,[[]])
762 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
765 dnl --enable-keep-symbols : do not strip installed executables
766 AC_ARG_ENABLE(keep-symbols,
767 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
768 if test ${enableval} = "no" ; then
769 AC_SUBST(KEEP_SYMBOLS,[[]])
771 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
774 dnl --enable-jit: check whether they want to enable the jit
776 AS_HELP_STRING(--enable-jit,
777 [Enable Just In Time Compiling (default is YES)]),,
779 if test ${enableval} = "no"
783 case "$llvm_cv_target_arch" in
784 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
785 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
786 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
787 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
788 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
789 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
790 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
791 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
792 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
793 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
794 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
795 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
799 TARGETS_WITH_JIT="ARM AArch64 Mips PowerPC SystemZ X86"
800 AC_SUBST(TARGETS_WITH_JIT,$TARGETS_WITH_JIT)
802 dnl Allow enablement of building and installing docs
804 AS_HELP_STRING([--enable-docs],
805 [Build documents (default is YES)]),,
808 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
809 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
810 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
811 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
814 dnl Allow enablement of doxygen generated documentation
815 AC_ARG_ENABLE(doxygen,
816 AS_HELP_STRING([--enable-doxygen],
817 [Build doxygen documentation (default is NO)]),,
820 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
821 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
822 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
823 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
826 dnl Allow disablement of threads
827 AC_ARG_ENABLE(threads,
828 AS_HELP_STRING([--enable-threads],
829 [Use threads if available (default is YES)]),,
832 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
833 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
834 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
835 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
837 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
838 [Define if threads enabled])
840 dnl Allow disablement of pthread.h
841 AC_ARG_ENABLE(pthreads,
842 AS_HELP_STRING([--enable-pthreads],
843 [Use pthreads if available (default is YES)]),,
846 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
847 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
848 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
849 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
852 dnl Allow disablement of zlib
854 AS_HELP_STRING([--enable-zlib],
855 [Use zlib for compression/decompression if
856 available (default is YES)]),,
859 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
860 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
861 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
862 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
864 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
865 [Define if zlib is enabled])
867 dnl Allow building without position independent code
869 AS_HELP_STRING([--enable-pic],
870 [Build LLVM with Position Independent Code (default is YES)]),,
873 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
874 no) AC_SUBST(ENABLE_PIC,[0]) ;;
875 default) AC_SUBST(ENABLE_PIC,[1]) ;;
876 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
878 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
879 [Define if position independent code is enabled])
881 dnl Allow building a shared library and linking tools against it.
882 AC_ARG_ENABLE(shared,
883 AS_HELP_STRING([--enable-shared],
884 [Build a shared library and link tools against it (default is NO)]),,
887 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
888 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
889 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
890 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
893 dnl Allow libstdc++ is embedded in LLVM.dll.
894 AC_ARG_ENABLE(embed-stdcxx,
895 AS_HELP_STRING([--enable-embed-stdcxx],
896 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
899 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
900 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
901 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
902 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
905 dnl Enable embedding timestamp information into build.
906 AC_ARG_ENABLE(timestamps,
907 AS_HELP_STRING([--enable-timestamps],
908 [Enable embedding timestamp information in build (default is YES)]),,
911 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
912 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
913 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
914 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
916 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
917 [Define if timestamp information (e.g., __DATE__) is allowed])
919 dnl Enable support for showing backtraces.
920 AC_ARG_ENABLE(backtraces, AS_HELP_STRING(
921 [--enable-backtraces],
922 [Enable embedding backtraces on crash (default is YES)]),
923 [case "$enableval" in
924 yes) llvm_cv_enable_backtraces="yes" ;;
925 no) llvm_cv_enable_backtraces="no" ;;
926 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
928 llvm_cv_enable_backtraces="yes")
929 if test "$llvm_cv_enable_backtraces" = "yes" ; then
930 AC_DEFINE([ENABLE_BACKTRACES],[1],
931 [Define if you want backtraces on crash])
934 dnl Enable installing platform specific signal handling overrides, for improved
935 dnl CrashRecovery support or interaction with crash reporting software. This
936 dnl support may be inappropriate for some clients embedding LLVM as a library.
937 AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING(
938 [--enable-crash-overrides],
939 [Enable crash handling overrides (default is YES)]),
940 [case "$enableval" in
941 yes) llvm_cv_enable_crash_overrides="yes" ;;
942 no) llvm_cv_enable_crash_overrides="no" ;;
943 *) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;;
945 llvm_cv_enable_crash_overrides="yes")
946 if test "$llvm_cv_enable_crash_overrides" = "yes" ; then
947 AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1],
948 [Define to enable crash handling overrides])
951 dnl List all possible targets
952 ALL_TARGETS="X86 Sparc PowerPC ARM AArch64 Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600"
953 AC_SUBST(ALL_TARGETS,$ALL_TARGETS)
955 dnl Allow specific targets to be specified for building (or not)
957 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
958 [Build specific host targets: all or target1,target2,... Valid targets are:
959 host, x86, x86_64, sparc, powerpc, arm64, arm, aarch64, mips, hexagon,
960 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
962 if test "$enableval" = host-only ; then
966 all) TARGETS_TO_BUILD="$ALL_TARGETS" ;;
967 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
969 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
970 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
971 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
972 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
973 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
974 arm64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
975 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
976 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
977 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
978 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
979 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
980 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
981 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
982 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
983 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
984 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
985 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
986 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
987 host) case "$llvm_cv_target_arch" in
988 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
989 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
990 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
991 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
992 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
993 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
994 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
995 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
996 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
997 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
998 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
999 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
1000 *) AC_MSG_ERROR([Can not set target to build]) ;;
1002 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
1008 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
1009 [Build experimental host targets: disable or target1,target2,...
1010 (default=disable)]),,
1013 if test ${enableval} != "disable"
1015 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
1018 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
1020 dnl Determine whether we are building LLVM support for the native architecture.
1021 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
1022 for a_target in $TARGETS_TO_BUILD; do
1023 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
1024 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
1025 [LLVM architecture name for the native architecture, if available])
1026 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
1027 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
1028 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
1029 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
1030 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1031 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
1033 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1034 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
1036 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
1037 [LLVM name for the native Target init function, if available])
1038 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
1039 [LLVM name for the native TargetInfo init function, if available])
1040 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
1041 [LLVM name for the native target MC init function, if available])
1042 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
1043 [LLVM name for the native AsmPrinter init function, if available])
1044 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1045 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
1046 [LLVM name for the native AsmParser init function, if available])
1048 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1049 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
1050 [LLVM name for the native Disassembler init function, if available])
1055 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
1056 dnl target feature def files.
1057 LLVM_ENUM_TARGETS=""
1058 LLVM_ENUM_ASM_PRINTERS=""
1059 LLVM_ENUM_ASM_PARSERS=""
1060 LLVM_ENUM_DISASSEMBLERS=""
1061 for target_to_build in $TARGETS_TO_BUILD; do
1062 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
1063 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
1064 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
1066 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
1067 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
1069 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
1070 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
1073 AC_SUBST(LLVM_ENUM_TARGETS)
1074 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
1075 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
1076 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
1078 dnl Override the option to use for optimized builds.
1079 AC_ARG_WITH(optimize-option,
1080 AS_HELP_STRING([--with-optimize-option],
1081 [Select the compiler options to use for optimized builds]),,
1083 AC_MSG_CHECKING([optimization flags])
1086 case "$llvm_cv_os_type" in
1087 FreeBSD) optimize_option=-O2 ;;
1088 MingW) optimize_option=-O2 ;;
1089 *) optimize_option=-O3 ;;
1091 *) optimize_option="$withval" ;;
1093 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
1094 AC_MSG_RESULT([$optimize_option])
1096 dnl Specify extra build options
1097 AC_ARG_WITH(extra-options,
1098 AS_HELP_STRING([--with-extra-options],
1099 [Specify additional options to compile LLVM with]),,
1102 default) EXTRA_OPTIONS= ;;
1103 *) EXTRA_OPTIONS=$withval ;;
1105 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
1107 dnl Specify extra linker build options
1108 AC_ARG_WITH(extra-ld-options,
1109 AS_HELP_STRING([--with-extra-ld-options],
1110 [Specify additional options to link LLVM with]),,
1113 default) EXTRA_LD_OPTIONS= ;;
1114 *) EXTRA_LD_OPTIONS=$withval ;;
1116 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
1118 dnl Allow specific bindings to be specified for building (or not)
1119 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
1120 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
1122 BINDINGS_TO_BUILD=""
1123 case "$enableval" in
1124 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
1125 all ) BINDINGS_TO_BUILD="ocaml" ;;
1126 none | no) BINDINGS_TO_BUILD="" ;;
1127 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
1128 case "$a_binding" in
1129 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
1130 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
1136 dnl Allow the ocaml libdir to be overridden. This could go in a configure
1137 dnl script for bindings/ocaml/configure, except that its auto value depends on
1138 dnl OCAMLC, which is found here to support tests.
1139 AC_ARG_WITH([ocaml-libdir],
1140 [AS_HELP_STRING([--with-ocaml-libdir],
1141 [Specify install location for ocaml bindings (default is stdlib)])],
1145 auto) with_ocaml_libdir="$withval" ;;
1146 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
1147 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
1150 AC_ARG_WITH(clang-srcdir,
1151 AS_HELP_STRING([--with-clang-srcdir],
1152 [Directory to the out-of-tree Clang source]),,
1155 -) clang_src_root="" ;;
1156 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
1157 *) clang_src_root="$ac_pwd/$withval" ;;
1159 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1161 AC_ARG_WITH(clang-resource-dir,
1162 AS_HELP_STRING([--with-clang-resource-dir],
1163 [Relative directory from the Clang binary for resource files]),,
1165 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1166 [Relative directory for resource files])
1168 AC_ARG_WITH(c-include-dirs,
1169 AS_HELP_STRING([--with-c-include-dirs],
1170 [Colon separated list of directories clang will search for headers]),,
1172 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1173 [Directories clang will search for headers])
1175 # Clang normally uses the system c++ headers and libraries. With this option,
1176 # clang will use the ones provided by a gcc installation instead. This option should
1177 # be passed the same value that was used with --prefix when configuring gcc.
1178 AC_ARG_WITH(gcc-toolchain,
1179 AS_HELP_STRING([--with-gcc-toolchain],
1180 [Directory where gcc is installed.]),,
1182 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1183 [Directory where gcc is installed.])
1185 AC_ARG_WITH(default-sysroot,
1186 AS_HELP_STRING([--with-default-sysroot],
1187 [Add --sysroot=<path> to all compiler invocations.]),,
1189 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1190 [Default <path> to all compiler invocations for --sysroot=<path>.])
1192 dnl Allow linking of LLVM with GPLv3 binutils code.
1193 AC_ARG_WITH(binutils-include,
1194 AS_HELP_STRING([--with-binutils-include],
1195 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1198 default) WITH_BINUTILS_INCDIR=default ;;
1199 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1200 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1202 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1203 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1204 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1205 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1206 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1210 dnl Specify the URL where bug reports should be submitted.
1211 AC_ARG_WITH(bug-report-url,
1212 AS_HELP_STRING([--with-bug-report-url],
1213 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1214 withval="http://llvm.org/bugs/")
1215 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1218 dnl --enable-terminfo: check whether the user wants to control use of terminfo:
1219 AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
1220 [--enable-terminfo],
1221 [Query the terminfo database if available (default is YES)]),
1222 [case "$enableval" in
1223 yes) llvm_cv_enable_terminfo="yes" ;;
1224 no) llvm_cv_enable_terminfo="no" ;;
1225 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
1227 llvm_cv_enable_terminfo="yes")
1228 case "$llvm_cv_enable_terminfo" in
1229 yes) AC_SUBST(ENABLE_TERMINFO,[1]) ;;
1230 no) AC_SUBST(ENABLE_TERMINFO,[0]) ;;
1233 dnl --enable-libedit: check whether the user wants to turn off libedit.
1234 AC_ARG_ENABLE(libedit,AS_HELP_STRING(
1236 [Use libedit if available (default is YES)]),
1237 [case "$enableval" in
1238 yes) llvm_cv_enable_libedit="yes" ;;
1239 no) llvm_cv_enable_libedit="no" ;;
1240 *) AC_MSG_ERROR([Invalid setting for --enable-libedit. Use "yes" or "no"]) ;;
1242 llvm_cv_enable_libedit="yes")
1244 dnl --enable-libffi : check whether the user wants to turn off libffi:
1245 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1246 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1247 [case "$enableval" in
1248 yes) llvm_cv_enable_libffi="yes" ;;
1249 no) llvm_cv_enable_libffi="no" ;;
1250 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1252 llvm_cv_enable_libffi=no)
1254 AC_ARG_WITH(internal-prefix,
1255 AS_HELP_STRING([--with-internal-prefix],
1256 [Installation directory for internal files]),,
1258 AC_SUBST(INTERNAL_PREFIX,[$withval])
1260 dnl===-----------------------------------------------------------------------===
1262 dnl=== SECTION 4: Check for programs we need and that they are the right version
1264 dnl===-----------------------------------------------------------------------===
1266 dnl Check for the tools that the makefiles require
1269 AC_PATH_PROG(NM, [nm], [nm])
1270 AC_PATH_PROG(CMP, [cmp], [cmp])
1271 AC_PATH_PROG(CP, [cp], [cp])
1272 AC_PATH_PROG(DATE, [date], [date])
1273 AC_PATH_PROG(FIND, [find], [find])
1274 AC_PATH_PROG(GREP, [grep], [grep])
1275 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1276 AC_PATH_PROG(MV, [mv], [mv])
1278 AC_CHECK_TOOL(AR, ar, false)
1279 AC_PATH_PROG(RM, [rm], [rm])
1280 AC_PATH_PROG(SED, [sed], [sed])
1281 AC_PATH_PROG(TAR, [tar], [gtar])
1282 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1284 dnl Looking for misc. graph plotting software
1285 AC_PATH_PROG(DOT, [dot], [echo dot])
1286 if test "$DOT" != "echo dot" ; then
1287 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1288 dnl If we're targeting for mingw we should emit windows paths, not msys
1289 if test "$llvm_cv_os_type" = "MingW" ; then
1290 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1292 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1293 [Define to path to dot program if found or 'echo dot' otherwise])
1296 dnl Find the install program
1298 dnl Prepend src dir to install path dir if it's a relative path
1299 dnl This is a hack for installs that take place in something other
1300 dnl than the top level.
1302 [[\\/$]]* | ?:[[\\/]]* ) ;;
1303 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1306 dnl Checks for documentation and testing tools that we can do without. If these
1307 dnl are not found then they are set to "true" which always succeeds but does
1308 dnl nothing. This just lets the build output show that we could have done
1309 dnl something if the tool was available.
1310 AC_PATH_PROG(BZIP2, [bzip2])
1311 AC_PATH_PROG(CAT, [cat])
1312 AC_PATH_PROG(DOXYGEN, [doxygen])
1313 AC_PATH_PROG(GROFF, [groff])
1314 AC_PATH_PROG(GZIPBIN, [gzip])
1315 AC_PATH_PROG(PDFROFF, [pdfroff])
1316 AC_PATH_PROG(ZIP, [zip])
1317 AC_PATH_PROGS(OCAMLC, [ocamlc])
1318 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1319 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1320 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1321 AC_PATH_PROGS(GAS, [gas as])
1323 dnl Get the version of the linker in use.
1326 dnl Determine whether the linker supports the -R option.
1329 dnl Determine whether the compiler supports the -rdynamic option.
1330 AC_LINK_EXPORT_DYNAMIC
1332 dnl Determine whether the linker supports the --version-script option.
1333 AC_LINK_VERSION_SCRIPT
1335 AC_CHECK_HEADERS([errno.h])
1337 case "$llvm_cv_os_type" in
1338 Cygwin|MingW|Win32) llvm_shlib_ext=.dll ;;
1339 Darwin) llvm_shlib_ext=.dylib ;;
1340 *) llvm_shlib_ext=.so ;;
1343 AC_DEFINE_UNQUOTED([LTDL_SHLIB_EXT], ["$llvm_shlib_ext"], [The shared library extension])
1345 AC_MSG_CHECKING([tool compatibility])
1347 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1348 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1349 dnl to support those options.
1350 dnl "icc" emits gcc signatures
1351 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1363 if test "$GCC" != "yes" && test "$ICC" != "yes"
1365 AC_MSG_ERROR([gcc|icc required but not found])
1368 dnl Ensure that compilation tools are compatible with GCC extensions
1369 if test "$GXX" != "yes" && test "$IXX" != "yes"
1371 AC_MSG_ERROR([g++|clang++|icc required but not found])
1374 dnl Verify that GCC is version 3.0 or higher
1375 if test "$GCC" = "yes"
1380 #if !defined(__GNUC__) || __GNUC__ < 3
1381 #error Unsupported GCC version
1385 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1388 dnl Check for GNU Make. We use its extensions, so don't build without it
1389 if test -z "$llvm_cv_gnu_make_command"
1391 AC_MSG_ERROR([GNU Make required but not found])
1394 dnl Tool compatibility is okay if we make it here.
1397 dnl Check optional compiler flags.
1398 AC_MSG_CHECKING([optional compiler flags])
1399 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1400 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1401 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1403 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1404 dnl false positives, so disable it.
1406 NO_MAYBE_UNINITIALIZED=
1407 if test "$GXX" = "yes"
1409 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1410 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1411 dnl known to be uninitialized from cases which might be uninitialized. We
1412 dnl still want to catch the first kind of errors.
1413 if test -z "$NO_MAYBE_UNINITIALIZED"
1415 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1418 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
1420 AC_ARG_WITH([python],
1421 [AS_HELP_STRING([--with-python], [path to python])],
1422 [PYTHON="$withval"])
1424 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1425 AC_MSG_CHECKING([for python])
1426 AC_MSG_RESULT([user defined: $with_python])
1428 if test -n "$PYTHON" ; then
1429 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1432 AC_PATH_PROG([PYTHON], [python python2 python26],
1433 [AC_MSG_RESULT([not found])
1434 AC_MSG_ERROR([could not find python 2.5 or higher])])
1437 AC_MSG_CHECKING([for python >= 2.5])
1438 ac_python_version=`$PYTHON -V 2>&1 | cut -d' ' -f2`
1439 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1440 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1441 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1442 if test "$ac_python_version_major" -gt "2" || \
1443 (test "$ac_python_version_major" -eq "2" && \
1444 test "$ac_python_version_minor" -ge "5") ; then
1445 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1447 AC_MSG_RESULT([not found])
1448 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5])
1451 dnl===-----------------------------------------------------------------------===
1453 dnl=== SECTION 5: Check for libraries
1455 dnl===-----------------------------------------------------------------------===
1458 if test "$llvm_cv_os_type" = "MingW" ; then
1459 AC_CHECK_LIB(imagehlp, main)
1460 AC_CHECK_LIB(psapi, main)
1461 AC_CHECK_LIB(shell32, main)
1464 dnl dlopen() is required for plugin support.
1465 AC_SEARCH_LIBS(dlopen,dl,LLVM_DEFINE_SUBST([HAVE_DLOPEN],[1],
1466 [Define if dlopen() is available on this platform.]),
1467 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1469 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1470 dnl macros to detect whether clock_gettime is available, this just finds the
1471 dnl right libraries to link with.
1472 AC_SEARCH_LIBS(clock_gettime,rt)
1474 dnl The curses library is optional; used for querying terminal info
1475 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1476 dnl We need the has_color functionality in curses for it to be useful.
1477 AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw,
1478 LLVM_DEFINE_SUBST([HAVE_TERMINFO],[1],
1479 [Define if the setupterm() function is supported this platform.]))
1482 dnl The libedit library is optional; used by lib/LineEditor
1483 if test "$llvm_cv_enable_libedit" = "yes" ; then
1484 AC_SEARCH_LIBS(el_init,edit,
1485 AC_DEFINE([HAVE_LIBEDIT],[1],
1486 [Define if libedit is available on this platform.]))
1489 dnl libffi is optional; used to call external functions from the interpreter
1490 if test "$llvm_cv_enable_libffi" = "yes" ; then
1491 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1492 [Define if libffi is available on this platform.]),
1493 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1496 dnl mallinfo is optional; the code can compile (minus features) without it
1497 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1498 [Define if mallinfo() is available on this platform.]))
1500 dnl pthread locking functions are optional - but llvm will not be thread-safe
1502 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1503 AC_CHECK_LIB(pthread, pthread_mutex_init)
1504 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1505 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1506 [Have pthread_mutex_lock]))
1507 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1508 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1509 [Have pthread_rwlock_init]))
1510 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1511 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1512 [Have pthread_getspecific]))
1515 dnl zlib is optional; used for compression/uncompression
1516 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1517 AC_CHECK_LIB(z, compress2)
1520 dnl Allow extra x86-disassembler library
1522 AS_HELP_STRING([--with-udis86=<path>],
1523 [Use udis86 external x86 disassembler library]),
1525 AC_SUBST(USE_UDIS86, [1])
1528 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1530 AC_CHECK_LIB(udis86, ud_init, [], [
1531 echo "Error! You need to have libudis86 around."
1535 AC_SUBST(USE_UDIS86, [0]))
1536 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1537 [Define if use udis86 library])
1539 dnl Allow OProfile support for JIT output.
1540 AC_ARG_WITH(oprofile,
1541 AS_HELP_STRING([--with-oprofile=<prefix>],
1542 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1544 AC_SUBST(USE_OPROFILE, [1])
1546 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1548 AC_SUBST(USE_OPROFILE, [0]) ;;
1549 *) llvm_cv_oppath="${withval}/lib/oprofile"
1550 CPPFLAGS="-I${withval}/include";;
1552 case $llvm_cv_os_type in
1554 if test -n "$llvm_cv_oppath" ; then
1555 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1556 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1557 dnl libbfd is not included properly in libopagent in some Debian
1558 dnl versions. If libbfd isn't found at all, we assume opagent works
1560 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1561 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1562 echo "Error! You need to have libopagent around."
1565 AC_CHECK_HEADER([opagent.h], [], [
1566 echo "Error! You need to have opagent.h around."
1571 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1575 AC_SUBST(USE_OPROFILE, [0])
1577 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1578 [Define if we have the oprofile JIT-support library])
1580 dnl Enable support for Intel JIT Events API.
1581 AC_ARG_WITH(intel-jitevents,
1582 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1585 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1586 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1587 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1590 case $llvm_cv_os_type in
1591 Linux|Win32|Cygwin|MingW) ;;
1592 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1595 case "$llvm_cv_target_arch" in
1597 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1601 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1603 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1604 [Define if we have the Intel JIT API runtime support library])
1606 dnl Check for libxml2
1607 dnl Right now we're just checking for the existence, we could also check for a
1608 dnl particular version via --version on xml2-config
1609 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1611 AC_MSG_CHECKING(for libxml2 includes)
1612 if test "x$XML2CONFIG" = "x"; then
1613 AC_MSG_RESULT(xml2-config not found)
1615 LIBXML2_INC=`$XML2CONFIG --cflags`
1616 AC_MSG_RESULT($LIBXML2_INC)
1617 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1618 LIBXML2_LIBS="-lxml2"])
1620 AC_SUBST(LIBXML2_LIBS)
1621 AC_SUBST(LIBXML2_INC)
1623 dnl===-----------------------------------------------------------------------===
1625 dnl=== SECTION 6: Check for header files
1627 dnl===-----------------------------------------------------------------------===
1629 dnl First, use autoconf provided macros for specific headers that we need
1630 dnl We don't check for ancient stuff or things that are guaranteed to be there
1631 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1632 dnl Generally we're looking for POSIX headers.
1634 AC_HEADER_MMAP_ANONYMOUS
1640 AC_CHECK_HEADERS([cxxabi.h])
1642 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
1643 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1644 AC_CHECK_HEADERS([utime.h])
1645 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1646 AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
1647 AC_CHECK_HEADERS([valgrind/valgrind.h])
1648 AC_CHECK_HEADERS([fenv.h])
1649 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1650 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1651 AC_CHECK_HEADERS(pthread.h,
1652 AC_SUBST(HAVE_PTHREAD, 1),
1653 AC_SUBST(HAVE_PTHREAD, 0))
1655 AC_SUBST(HAVE_PTHREAD, 0)
1657 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1658 AC_CHECK_HEADERS(zlib.h,
1659 AC_SUBST(HAVE_LIBZ, 1),
1660 AC_SUBST(HAVE_LIBZ, 0))
1662 AC_SUBST(HAVE_LIBZ, 0)
1665 dnl Try to find ffi.h.
1666 if test "$llvm_cv_enable_libffi" = "yes" ; then
1667 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1670 dnl Try to find Darwin specific crash reporting libraries.
1671 AC_CHECK_HEADERS([CrashReporterClient.h])
1673 dnl Try to find Darwin specific crash reporting global.
1674 AC_MSG_CHECKING([__crashreporter_info__])
1678 extern const char *__crashreporter_info__;
1680 __crashreporter_info__ = "test";
1686 AC_MSG_RESULT([yes])
1687 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1691 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1694 dnl===-----------------------------------------------------------------------===
1696 dnl=== SECTION 7: Check for types and structures
1698 dnl===-----------------------------------------------------------------------===
1703 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1705 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1706 AC_CHECK_TYPES([uint64_t],,
1707 AC_CHECK_TYPES([u_int64_t],,
1708 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1710 dnl===-----------------------------------------------------------------------===
1712 dnl=== SECTION 8: Check for specific functions needed
1714 dnl===-----------------------------------------------------------------------===
1716 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1717 AC_CHECK_FUNCS([powf fmodf strtof round ])
1718 AC_CHECK_FUNCS([log log2 log10 exp exp2])
1719 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1720 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1721 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
1722 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1723 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1724 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1725 AC_CHECK_FUNCS([futimes futimens])
1729 dnl Check for arc4random accessible via AC_INCLUDES_DEFAULT.
1730 AC_CHECK_DECLS([arc4random])
1732 dnl Check the declaration "Secure API" on Windows environments.
1733 AC_CHECK_DECLS([strerror_s])
1735 dnl Check symbols in libgcc.a for JIT on Mingw.
1736 if test "$llvm_cv_os_type" = "MingW" ; then
1737 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1738 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1739 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1740 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1742 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1743 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1744 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1745 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1746 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1747 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1748 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1749 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1750 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1751 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1753 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1754 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1757 dnl Check Win32 API EnumerateLoadedModules.
1758 if test "$llvm_cv_os_type" = "MingW" ; then
1759 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1763 #include <windows.h>
1764 #include <imagehlp.h>
1765 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1766 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1770 AC_MSG_RESULT([yes])
1771 llvm_cv_win32_elmcb_pcstr="PCSTR"
1775 llvm_cv_win32_elmcb_pcstr="PSTR"
1777 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1780 dnl Check for variations in the Standard C++ library and STL. These macros are
1781 dnl provided by LLVM in the autoconf/m4 directory.
1785 dnl Check for mmap support.We also need to know if /dev/zero is required to
1786 dnl be opened for allocating RWX memory.
1787 dnl Make sure we aren't attempting to configure for an unknown system
1788 if test "$llvm_cv_platform_type" = "Unix" ; then
1791 AC_NEED_DEV_ZERO_FOR_MMAP
1793 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1795 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1797 if test "$ac_cv_func_mmap_file" = "no"
1799 AC_MSG_WARN([mmap() of files required but not found])
1803 dnl atomic builtins are required for threading support.
1804 AC_MSG_CHECKING(for GCC atomic builtins)
1805 dnl Since we'll be using these atomic builtins in C++ files we should test
1806 dnl the C++ compiler.
1812 volatile unsigned long val = 1;
1813 __sync_synchronize();
1814 __sync_val_compare_and_swap(&val, 1, 0);
1815 __sync_add_and_fetch(&val, 1);
1816 __sync_sub_and_fetch(&val, 1);
1822 AC_MSG_RESULT([yes])
1823 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1827 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1828 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1832 dnl===-----------------------------------------------------------------------===
1834 dnl=== SECTION 9: Additional checks, variables, etc.
1836 dnl===-----------------------------------------------------------------------===
1838 dnl Handle 32-bit linux systems running a 64-bit kernel.
1839 dnl This has to come after section 4 because it invokes the compiler.
1840 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1842 if test "$llvm_cv_linux_mixed" = "yes"; then
1843 llvm_cv_target_arch="x86"
1848 dnl Check whether __dso_handle is present
1849 AC_CHECK_FUNCS([__dso_handle])
1851 dnl Propagate the shared library extension that the libltdl checks did to
1852 dnl the Makefiles so we can use it there too
1853 AC_SUBST(SHLIBEXT,$llvm_shlib_ext)
1855 dnl Translate the various configuration directories and other basic
1856 dnl information into substitutions that will end up in Makefile.config.in
1857 dnl that these configured values can be used by the makefiles
1858 if test "${prefix}" = "NONE" ; then
1861 eval LLVM_PREFIX="${prefix}";
1862 eval LLVM_BINDIR="${prefix}/bin";
1863 eval LLVM_DATADIR="${prefix}/share/llvm";
1864 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1865 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1866 eval LLVM_INCLUDEDIR="${prefix}/include";
1867 eval LLVM_INFODIR="${prefix}/info";
1868 eval LLVM_MANDIR="${prefix}/man";
1869 LLVM_CONFIGTIME=`date`
1870 AC_SUBST(LLVM_PREFIX)
1871 AC_SUBST(LLVM_BINDIR)
1872 AC_SUBST(LLVM_DATADIR)
1873 AC_SUBST(LLVM_DOCSDIR)
1874 AC_SUBST(LLVM_ETCDIR)
1875 AC_SUBST(LLVM_INCLUDEDIR)
1876 AC_SUBST(LLVM_INFODIR)
1877 AC_SUBST(LLVM_MANDIR)
1878 AC_SUBST(LLVM_CONFIGTIME)
1880 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1881 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1882 LLVM_CONFIGTIME="(timestamp not enabled)"
1885 dnl Place the various directories into the config.h file as #defines so that we
1886 dnl can know about the installation paths within LLVM.
1887 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1888 [Installation prefix directory])
1889 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1890 [Installation directory for binary executables])
1891 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1892 [Installation directory for data files])
1893 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1894 [Installation directory for documentation])
1895 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1896 [Installation directory for config files])
1897 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1898 [Installation directory for include files])
1899 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1900 [Installation directory for .info files])
1901 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1902 [Installation directory for man pages])
1903 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1904 [Time at which LLVM was configured])
1905 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
1906 [Host triple LLVM will be executed on])
1907 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1908 [Target triple LLVM will generate code for by default])
1910 dnl Determine which bindings to build.
1911 if test "$BINDINGS_TO_BUILD" = auto ; then
1912 BINDINGS_TO_BUILD=""
1913 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1914 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1917 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1919 dnl This isn't really configurey, but it avoids having to repeat the list in
1921 AC_SUBST(ALL_BINDINGS,ocaml)
1923 dnl Do any work necessary to ensure that bindings have what they need.
1924 binding_prereqs_failed=0
1925 for a_binding in $BINDINGS_TO_BUILD ; do
1926 case "$a_binding" in
1928 if test "x$OCAMLC" = x ; then
1929 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1930 binding_prereqs_failed=1
1932 if test "x$OCAMLDEP" = x ; then
1933 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1934 binding_prereqs_failed=1
1936 if test "x$OCAMLOPT" = x ; then
1937 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1938 dnl ocamlopt is optional!
1940 if test "x$with_ocaml_libdir" != xauto ; then
1941 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1943 ocaml_stdlib="`"$OCAMLC" -where`"
1944 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1946 # ocaml stdlib is beneath our prefix; use stdlib
1947 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1949 # ocaml stdlib is outside our prefix; use libdir/ocaml
1950 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
1956 if test "$binding_prereqs_failed" = 1 ; then
1957 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1960 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1961 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1963 dnl Determine linker rpath flag
1964 if test "$llvm_cv_link_use_r" = "yes" ; then
1971 dnl Determine linker rdynamic flag
1972 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1973 RDYNAMIC="-rdynamic"
1979 dnl===-----------------------------------------------------------------------===
1981 dnl=== SECTION 10: Specify the output files and generate it
1983 dnl===-----------------------------------------------------------------------===
1985 dnl Configure header files
1986 dnl WARNING: dnl If you add or remove any of the following config headers, then
1987 dnl you MUST also update Makefile so that the variable FilesToConfig
1988 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1989 dnl files can be updated automatically when their *.in sources change.
1990 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1991 AH_TOP([#ifndef CONFIG_H
1995 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1996 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1997 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1998 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1999 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
2001 dnl Configure the makefile's configuration data
2002 AC_CONFIG_FILES([Makefile.config])
2004 dnl Configure the RPM spec file for LLVM
2005 AC_CONFIG_FILES([llvm.spec])
2007 dnl Configure doxygen's configuration file
2008 AC_CONFIG_FILES([docs/doxygen.cfg])
2010 dnl Configure clang, if present
2011 if test "${clang_src_root}" = ""; then
2012 clang_src_root="$srcdir/tools/clang"
2014 if test -f ${clang_src_root}/README.txt; then
2015 dnl Use variables to stay under 80 columns.
2016 configh="include/clang/Config/config.h"
2017 doxy="docs/doxygen.cfg"
2018 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
2019 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
2022 dnl OCaml findlib META file
2023 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
2025 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
2026 test "x$program_prefix" = "xNONE" && program_prefix=""
2027 AC_SUBST([program_prefix])
2030 dnl Do special configuration of Makefiles
2031 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
2032 AC_CONFIG_MAKEFILE(Makefile)
2033 AC_CONFIG_MAKEFILE(Makefile.common)
2034 AC_CONFIG_MAKEFILE(examples/Makefile)
2035 AC_CONFIG_MAKEFILE(lib/Makefile)
2036 AC_CONFIG_MAKEFILE(test/Makefile)
2037 AC_CONFIG_MAKEFILE(test/Makefile.tests)
2038 AC_CONFIG_MAKEFILE(unittests/Makefile)
2039 AC_CONFIG_MAKEFILE(tools/Makefile)
2040 AC_CONFIG_MAKEFILE(utils/Makefile)
2041 AC_CONFIG_MAKEFILE(projects/Makefile)
2042 AC_CONFIG_MAKEFILE(bindings/Makefile)
2043 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
2045 dnl Finally, crank out the output