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],[3.7.0svn],[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], $LLVM_VERSION_PATCH, [Patch version of the LLVM API])
45 AC_DEFINE_UNQUOTED([LLVM_VERSION_STRING], "$PACKAGE_VERSION", [LLVM version string])
47 AC_SUBST([LLVM_VERSION_MAJOR])
48 AC_SUBST([LLVM_VERSION_MINOR])
49 AC_SUBST([LLVM_VERSION_PATCH])
50 AC_SUBST([LLVM_VERSION_SUFFIX])
52 dnl Provide a copyright substitution and ensure the copyright notice is included
53 dnl in the output of --version option of the generated configure script.
54 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2015 University of Illinois at Urbana-Champaign."])
55 AC_COPYRIGHT([Copyright (c) 2003-2015 University of Illinois at Urbana-Champaign.])
57 dnl Indicate that we require autoconf 2.60 or later.
60 dnl Verify that the source directory is valid. This makes sure that we are
61 dnl configuring LLVM and not some other package (it validates --srcdir argument)
62 AC_CONFIG_SRCDIR([lib/IR/Module.cpp])
64 dnl Place all of the extra autoconf files into the config subdirectory. Tell
65 dnl various tools where the m4 autoconf macros are.
66 AC_CONFIG_AUX_DIR([autoconf])
68 dnl Quit if the source directory has already been configured.
69 dnl NOTE: This relies upon undocumented autoconf behavior.
70 if test ${srcdir} != "." ; then
71 if test -f ${srcdir}/include/llvm/Config/config.h ; then
72 AC_MSG_ERROR([Already configured in ${srcdir}])
76 dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS,
77 dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc).
81 dnl We need to check for the compiler up here to avoid anything else
82 dnl starting with a different one.
84 AC_PROG_CXX(clang++ g++)
87 dnl If CXX is Clang, check that it can find and parse C++ standard library
89 if test "$CXX" = "clang++" ; then
90 AC_MSG_CHECKING([whether clang works])
92 dnl Note that space between 'include' and '(' is required. There's a broken
93 dnl regex in aclocal that otherwise will think that we call m4's include
95 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <limits>
96 #if __has_include (<cxxabi.h>)
99 #if __has_include (<unwind.h>)
108 AC_MSG_ERROR([Selected compiler could not find or parse C++ standard library headers. Rerun with CC=c-compiler CXX=c++-compiler ./configure ...])
113 dnl Set up variables that track whether the host compiler is GCC or Clang where
114 dnl we can effectively sanity check them. We don't try to sanity check all the
115 dnl other possible compilers.
116 AC_MSG_CHECKING([whether GCC or Clang is our host compiler])
118 llvm_cv_cxx_compiler=unknown
119 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __clang__
123 llvm_cv_cxx_compiler=clang,
124 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __GNUC__
128 llvm_cv_cxx_compiler=gcc, [])])
130 AC_MSG_RESULT([${llvm_cv_cxx_compiler}])
132 dnl Configure all of the projects present in our source tree. While we could
133 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
134 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
135 dnl Instead we match on the known projects.
138 dnl One tricky part of doing this is that some projects depend upon other
139 dnl projects. For example, several projects rely upon the LLVM test suite.
140 dnl We want to configure those projects first so that their object trees are
141 dnl created before running the configure scripts of projects that depend upon
145 dnl Several projects use the LLVM test suite, so configure it next.
146 if test -d ${srcdir}/projects/test-suite ; then
147 AC_CONFIG_SUBDIRS([projects/test-suite])
150 dnl llvm-test is the old name of the test-suite, kept here for backwards
152 if test -d ${srcdir}/projects/llvm-test ; then
153 AC_CONFIG_SUBDIRS([projects/llvm-test])
156 dnl Some projects use poolalloc; configure that next
157 if test -d ${srcdir}/projects/poolalloc ; then
158 AC_CONFIG_SUBDIRS([projects/poolalloc])
161 if test -d ${srcdir}/projects/llvm-poolalloc ; then
162 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
165 dnl Check for all other projects
166 for i in `ls ${srcdir}/projects`
168 if test -d ${srcdir}/projects/${i} ; then
170 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
177 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
183 dnl Disable the build of polly, even if it is checked out into tools/polly.
185 AS_HELP_STRING([--enable-polly],
186 [Use polly if available (default is YES)]),,
189 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
190 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
191 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
192 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
196 dnl Check if polly is checked out into tools/polly and configure it if
198 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
199 AC_SUBST(LLVM_HAS_POLLY,1)
200 AC_CONFIG_SUBDIRS([tools/polly])
203 dnl===-----------------------------------------------------------------------===
205 dnl=== SECTION 2: Architecture, target, and host checks
207 dnl===-----------------------------------------------------------------------===
209 dnl Check the target for which we're compiling and the host that will do the
210 dnl compilations. This will tell us which LLVM compiler will be used for
211 dnl compiling SSA into object code. This needs to be done early because
212 dnl following tests depend on it.
215 dnl Determine the platform type and cache its value. This helps us configure
216 dnl the System library to the correct build platform.
217 AC_CACHE_CHECK([type of operating system we're going to host on],
221 llvm_cv_link_all_option="-Wl,--whole-archive"
222 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
223 llvm_cv_os_type="AIX"
224 llvm_cv_platform_type="Unix" ;;
226 llvm_cv_link_all_option="-Wl,--whole-archive"
227 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
228 llvm_cv_os_type="IRIX"
229 llvm_cv_platform_type="Unix" ;;
231 llvm_cv_link_all_option="-Wl,--whole-archive"
232 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
233 llvm_cv_os_type="Cygwin"
234 llvm_cv_platform_type="Unix" ;;
236 llvm_cv_link_all_option="-Wl,-all_load"
237 llvm_cv_no_link_all_option="-Wl,-noall_load"
238 llvm_cv_os_type="Darwin"
239 llvm_cv_platform_type="Unix" ;;
241 llvm_cv_link_all_option="-Wl,-all_load"
242 llvm_cv_no_link_all_option="-Wl,-noall_load"
243 llvm_cv_os_type="Minix"
244 llvm_cv_platform_type="Unix" ;;
246 llvm_cv_link_all_option="-Wl,--whole-archive"
247 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
248 llvm_cv_os_type="FreeBSD"
249 llvm_cv_platform_type="Unix" ;;
251 llvm_cv_link_all_option="-Wl,--whole-archive"
252 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
253 llvm_cv_os_type="GNU/kFreeBSD"
254 llvm_cv_platform_type="Unix" ;;
256 llvm_cv_link_all_option="-Wl,--whole-archive"
257 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
258 llvm_cv_os_type="OpenBSD"
259 llvm_cv_platform_type="Unix" ;;
261 llvm_cv_link_all_option="-Wl,--whole-archive"
262 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
263 llvm_cv_os_type="NetBSD"
264 llvm_cv_platform_type="Unix" ;;
266 llvm_cv_link_all_option="-Wl,--whole-archive"
267 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
268 llvm_cv_os_type="DragonFly"
269 llvm_cv_platform_type="Unix" ;;
271 llvm_cv_link_all_option="-Wl,--whole-archive"
272 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
273 llvm_cv_os_type="Bitrig"
274 llvm_cv_platform_type="Unix" ;;
276 llvm_cv_link_all_option="-Wl,--whole-archive"
277 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
278 llvm_cv_os_type="HP-UX"
279 llvm_cv_platform_type="Unix" ;;
281 llvm_cv_link_all_option="-Wl,--whole-archive"
282 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
283 llvm_cv_os_type="Interix"
284 llvm_cv_platform_type="Unix" ;;
286 llvm_cv_link_all_option="-Wl,--whole-archive"
287 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
288 llvm_cv_os_type="Linux"
289 llvm_cv_platform_type="Unix" ;;
291 llvm_cv_link_all_option="-Wl,--whole-archive"
292 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
293 llvm_cv_os_type="GNU"
294 llvm_cv_platform_type="Unix" ;;
296 llvm_cv_link_all_option="-Wl,-z,allextract"
297 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
298 llvm_cv_os_type="SunOS"
299 llvm_cv_platform_type="Unix" ;;
301 llvm_cv_link_all_option="-Wl,--whole-archive"
302 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
303 llvm_cv_os_type="Win32"
304 llvm_cv_platform_type="Win32" ;;
306 llvm_cv_link_all_option="-Wl,--whole-archive"
307 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
308 llvm_cv_os_type="MingW"
309 llvm_cv_platform_type="Win32" ;;
311 llvm_cv_link_all_option="-Wl,--whole-archive"
312 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
313 llvm_cv_os_type="Haiku"
314 llvm_cv_platform_type="Unix" ;;
316 llvm_cv_link_all_option="-Wl,--whole-archive"
317 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
318 llvm_cv_os_type="Freestanding"
319 llvm_cv_platform_type="Unix" ;;
321 llvm_cv_link_all_option="-Wl,--whole-archive"
322 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
323 llvm_cv_os_type="Freestanding"
324 llvm_cv_platform_type="Unix" ;;
326 llvm_cv_link_all_option=""
327 llvm_cv_no_link_all_option=""
328 llvm_cv_os_type="Unknown"
329 llvm_cv_platform_type="Unknown" ;;
332 AC_CACHE_CHECK([type of operating system we're going to target],
333 [llvm_cv_target_os_type],
336 llvm_cv_target_os_type="AIX" ;;
338 llvm_cv_target_os_type="IRIX" ;;
340 llvm_cv_target_os_type="Cygwin" ;;
342 llvm_cv_target_os_type="Darwin" ;;
344 llvm_cv_target_os_type="Minix" ;;
346 llvm_cv_target_os_type="FreeBSD" ;;
348 llvm_cv_target_os_type="GNU/kFreeBSD" ;;
350 llvm_cv_target_os_type="OpenBSD" ;;
352 llvm_cv_target_os_type="NetBSD" ;;
354 llvm_cv_target_os_type="DragonFly" ;;
356 llvm_cv_target_os_type="Bitrig" ;;
358 llvm_cv_target_os_type="HP-UX" ;;
360 llvm_cv_target_os_type="Interix" ;;
362 llvm_cv_target_os_type="Linux" ;;
364 llvm_cv_target_os_type="GNU" ;;
366 llvm_cv_target_os_type="SunOS" ;;
368 llvm_cv_target_os_type="Win32" ;;
370 llvm_cv_target_os_type="MingW" ;;
372 llvm_cv_target_os_type="Haiku" ;;
374 llvm_cv_target_os_type="RTEMS" ;;
376 llvm_cv_target_os_type="NativeClient" ;;
378 llvm_cv_target_os_type="Freestanding" ;;
380 llvm_cv_target_os_type="PS4" ;;
382 llvm_cv_target_os_type="Unknown" ;;
385 dnl Make sure we aren't attempting to configure for an unknown system
386 if test "$llvm_cv_os_type" = "Unknown" ; then
387 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
390 dnl Set the "OS" Makefile variable based on the platform type so the
391 dnl makefile can configure itself to specific build hosts
392 AC_SUBST(OS,$llvm_cv_os_type)
393 AC_SUBST(HOST_OS,$llvm_cv_os_type)
394 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
396 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
397 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
398 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
400 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
401 dnl This is used by lib/Support to determine the basic kind of implementation
403 case $llvm_cv_platform_type in
405 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
406 AC_SUBST(LLVM_ON_UNIX,[1])
407 AC_SUBST(LLVM_ON_WIN32,[0])
410 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
411 AC_SUBST(LLVM_ON_UNIX,[0])
412 AC_SUBST(LLVM_ON_WIN32,[1])
416 dnl Determine what our target architecture is and configure accordingly.
417 dnl This will allow Makefiles to make a distinction between the hardware and
419 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
421 i?86-*) llvm_cv_target_arch="x86" ;;
422 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
423 sparc*-*) llvm_cv_target_arch="Sparc" ;;
424 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
425 arm64*-*) llvm_cv_target_arch="AArch64" ;;
426 arm*-*) llvm_cv_target_arch="ARM" ;;
427 aarch64*-*) llvm_cv_target_arch="AArch64" ;;
428 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
429 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
430 xcore-*) llvm_cv_target_arch="XCore" ;;
431 msp430-*) llvm_cv_target_arch="MSP430" ;;
432 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
433 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
434 s390x-*) llvm_cv_target_arch="SystemZ" ;;
435 *) llvm_cv_target_arch="Unknown" ;;
438 if test "$llvm_cv_target_arch" = "Unknown" ; then
439 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
442 dnl Determine the LLVM native architecture for the target
443 case "$llvm_cv_target_arch" in
444 x86) LLVM_NATIVE_ARCH="X86" ;;
445 x86_64) LLVM_NATIVE_ARCH="X86" ;;
446 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
449 dnl Define a substitution, ARCH, for the target architecture
450 AC_SUBST(ARCH,$llvm_cv_target_arch)
451 AC_SUBST(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCH)
453 dnl Determine what our host architecture.
454 dnl This will allow MCJIT regress tests runs only for supported
457 i?86-*) host_arch="x86" ;;
458 amd64-* | x86_64-*) host_arch="x86_64" ;;
459 sparc*-*) host_arch="Sparc" ;;
460 powerpc*-*) host_arch="PowerPC" ;;
461 arm64*-*) host_arch="AArch64" ;;
462 arm*-*) host_arch="ARM" ;;
463 aarch64*-*) host_arch="AArch64" ;;
464 mips-* | mips64-*) host_arch="Mips" ;;
465 mipsel-* | mips64el-*) host_arch="Mips" ;;
466 xcore-*) host_arch="XCore" ;;
467 msp430-*) host_arch="MSP430" ;;
468 hexagon-*) host_arch="Hexagon" ;;
469 s390x-*) host_arch="SystemZ" ;;
470 *) host_arch="Unknown" ;;
473 if test "$host_arch" = "Unknown" ; then
474 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
477 AC_SUBST(HOST_ARCH,$host_arch)
479 dnl Check for build platform executable suffix if we're cross-compiling
480 if test "$cross_compiling" = yes; then
481 AC_SUBST(LLVM_CROSS_COMPILING, [1])
483 ac_build_prefix=${build_alias}-
484 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
485 if test -z "$BUILD_CXX"; then
486 AC_CHECK_PROG(BUILD_CXX, g++, g++)
487 if test -z "$BUILD_CXX"; then
488 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
492 AC_SUBST(LLVM_CROSS_COMPILING, [0])
495 dnl Check to see if there's a .svn or .git directory indicating that this
496 dnl build is being done from a checkout. This sets up several defaults for
497 dnl the command line switches. When we build with a checkout directory,
498 dnl we get a debug with assertions turned on. Without, we assume a source
499 dnl release and we get an optimized build without assertions.
500 dnl See --enable-optimized and --enable-assertions below
501 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
504 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
510 dnl===-----------------------------------------------------------------------===
512 dnl=== SECTION 3: Command line arguments for the configure script.
514 dnl===-----------------------------------------------------------------------===
516 dnl --enable-libcpp : check whether or not to use libc++ on the command line
517 AC_ARG_ENABLE(libcpp,
518 AS_HELP_STRING([--enable-libcpp],
519 [Use libc++ if available (default is NO)]),,
522 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
523 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
524 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
525 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
528 dnl Check both GCC and Clang for sufficiently modern versions. These checks can
529 dnl be bypassed by passing a flag if necessary on a platform. We have to do
530 dnl these checks here so that we have the configuration of the standard C++
531 dnl library finished.
532 AC_ARG_ENABLE(compiler-version-checks,
533 AS_HELP_STRING([--enable-compiler-version-checks],
534 [Check the version of the host compiler (default is YES)]),,
541 case "$llvm_cv_cxx_compiler" in
543 AC_MSG_CHECKING([whether Clang is new enough])
544 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
545 #if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 1)
546 #error This version of Clang is too old to build LLVM
549 [AC_MSG_RESULT([yes])],
552 The selected Clang compiler is not new enough to build LLVM. Please upgrade to
553 Clang 3.1. You may pass --disable-compiler-version-checks to configure to
554 bypass these sanity checks.])])
556 dnl Note that libstdc++4.6 is known broken for C++11 builds. The errors
557 dnl are sometimes deeply confusing though. Here we test for an obvious
558 dnl incomplete feature in 4.6's standard library that was completed in
559 dnl 4.7's. We also have to disable this test if 'ENABLE_LIBCPP' is set
560 dnl because the enable flags don't actually fix CXXFLAGS, they rely on
561 dnl that happening in the Makefile.
562 if test "$ENABLE_LIBCPP" -eq 0 ; then
563 AC_MSG_CHECKING([whether Clang will select a modern C++ standard library])
564 llvm_cv_old_cxxflags="$CXXFLAGS"
565 CXXFLAGS="$CXXFLAGS -std=c++0x"
566 AC_LINK_IFELSE([AC_LANG_SOURCE([[
568 std::atomic<float> x(0.0f);
569 int main() { return (float)x; }
571 [AC_MSG_RESULT([yes])],
574 We detected a missing feature in the standard C++ library that was known to be
575 missing in libstdc++4.6 and implemented in libstdc++4.7. There are numerous
576 C++11 problems with 4.6's library, and we don't support GCCs or libstdc++ older
577 than 4.7. You will need to update your system and ensure Clang uses the newer
580 If this error is incorrect or you need to force things to work, you may pass
581 '--disable-compiler-version-checks' to configure to bypass this test.])])
582 CXXFLAGS="$llvm_cv_old_cxxflags"
586 AC_MSG_CHECKING([whether GCC is new enough])
587 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
588 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
589 #error This version of GCC is too old to build LLVM
592 [AC_MSG_RESULT([yes])],
595 The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade
596 to GCC 4.7. You may pass --disable-compiler-version-checks to configure to
597 bypass these sanity checks.])])
605 AC_MSG_ERROR([Invalid setting for --enable-compiler-version-checks. Use "yes" or "no"])
609 dnl --enable-cxx1y : check whether or not to use -std=c++1y on the command line
611 AS_HELP_STRING([--enable-cxx1y],
612 [Use c++1y if available (default is NO)]),,
615 yes) AC_SUBST(ENABLE_CXX1Y,[1]) ;;
616 no) AC_SUBST(ENABLE_CXX1Y,[0]) ;;
617 default) AC_SUBST(ENABLE_CXX1Y,[0]);;
618 *) AC_MSG_ERROR([Invalid setting for --enable-cxx1y. Use "yes" or "no"]) ;;
621 dnl --enable-split-dwarf : check whether or not to use -gsplit-dwarf on the command
623 AC_ARG_ENABLE(split-dwarf,
624 AS_HELP_STRING([--enable-split-dwarf],
625 [Use split-dwarf if available (default is NO)]),,
628 yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;;
629 no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;;
630 default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);;
631 *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;;
634 dnl --enable-clang-arcmt: check whether to enable clang arcmt
636 AC_ARG_ENABLE(clang-arcmt,
637 AS_HELP_STRING([--enable-clang-arcmt],
638 [Enable building of clang ARCMT (default is YES)]),
639 clang_arcmt="$enableval",
642 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
643 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
644 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
645 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
648 dnl --enable-clang-plugin-support: check whether to enable plugins in clang
649 clang_plugin_support="yes"
650 AC_ARG_ENABLE(clang-plugin-support,
651 AS_HELP_STRING([--enable-clang-plugin-support],
652 [Enable plugin support in clang (default is YES)]),
653 clang_plugin_support="$enableval",
656 yes) AC_SUBST(CLANG_PLUGIN_SUPPORT,[1]) ;;
657 no) AC_SUBST(CLANG_PLUGIN_SUPPORT,[0]) ;;
658 default) AC_SUBST(CLANG_PLUGIN_SUPPORT,[1]);;
659 *) AC_MSG_ERROR([Invalid setting for --enable-clang-plugin-support. Use "yes" or "no"]) ;;
662 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
663 clang_static_analyzer="yes"
664 AC_ARG_ENABLE(clang-static-analyzer,
665 AS_HELP_STRING([--enable-clang-static-analyzer],
666 [Enable building of clang Static Analyzer (default is YES)]),
667 clang_static_analyzer="$enableval",
670 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
672 if test ${clang_arcmt} != "no" ; then
673 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling static analyzer.])
675 AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0])
677 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
678 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
681 dnl --enable-optimized : check whether they want to do an optimized build:
682 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
683 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
684 if test ${enableval} = "no" ; then
685 AC_SUBST(ENABLE_OPTIMIZED,[[]])
687 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
690 dnl --enable-profiling : check whether they want to do a profile build:
691 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
692 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
693 if test ${enableval} = "no" ; then
694 AC_SUBST(ENABLE_PROFILING,[[]])
696 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
699 dnl --enable-assertions : check whether they want to turn on assertions or not:
700 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
701 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
702 if test ${enableval} = "yes" ; then
703 AC_SUBST(DISABLE_ASSERTIONS,[[]])
704 assertions_enabled="yes"
706 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
707 assertions_enabled="no"
710 dnl --enable-werror : check whether we want Werror on by default
711 AC_ARG_ENABLE(werror,AS_HELP_STRING(
712 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
714 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
715 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
716 default) AC_SUBST(ENABLE_WERROR,[0]);;
717 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
720 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
721 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
722 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
723 if test ${enableval} = "yes" ; then
724 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
725 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
727 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
728 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
731 dnl --enable-abi-breaking-checks : decide whether we should compile in asserts and
732 dnl checks that make the build ABI incompatible with an llvm built without these
734 AC_ARG_ENABLE(abi-breaking-checks,AS_HELP_STRING(
735 --enable-abi-breaking-checks,[Compile with abi-breaking asserts support (default is with-asserts)]),, enableval="with-asserts")
737 with-asserts) if test ${assertions_enabled} = "yes" ; then
738 AC_DEFINE([LLVM_ENABLE_ABI_BREAKING_CHECKS],[1],[Define to enable checks that alter the LLVM C++ ABI])
739 AC_SUBST(ENABLE_ABI_BREAKING_CHECKS,[1])
741 AC_SUBST(ENABLE_ABI_BREAKING_CHECKS,[0])
744 AC_DEFINE([LLVM_ENABLE_ABI_BREAKING_CHECKS],[1],[Define to enable checks that alter the LLVM C++ ABI])
745 AC_SUBST(ENABLE_ABI_BREAKING_CHECKS,[1])
748 AC_SUBST(ENABLE_ABI_BREAKING_CHECKS,[0])
750 *) AC_MSG_ERROR([Invalid setting for --enable-abi-breaking-checks. Use "with-asserts", "yes" or "no"])
753 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
754 AC_ARG_ENABLE(debug-runtime,
755 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
756 if test ${enableval} = "no" ; then
757 AC_SUBST(DEBUG_RUNTIME,[[]])
759 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
762 dnl --enable-debug-symbols : should even optimized compiler libraries
763 dnl have debug symbols?
764 AC_ARG_ENABLE(debug-symbols,
765 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)
766 if test ${enableval} = "no" ; then
767 AC_SUBST(DEBUG_SYMBOLS,[[]])
769 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
772 dnl --enable-keep-symbols : do not strip installed executables
773 AC_ARG_ENABLE(keep-symbols,
774 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
775 if test ${enableval} = "no" ; then
776 AC_SUBST(KEEP_SYMBOLS,[[]])
778 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
781 dnl --enable-jit: check whether they want to enable the jit
783 AS_HELP_STRING(--enable-jit,
784 [Enable Just In Time Compiling (default is YES)]),,
786 if test ${enableval} = "no"
790 case "$llvm_cv_target_arch" in
791 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
792 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
793 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
794 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
795 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
796 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
797 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
798 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
799 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
800 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
801 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
802 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
806 TARGETS_WITH_JIT="ARM AArch64 Mips PowerPC SystemZ X86"
807 AC_SUBST(TARGETS_WITH_JIT,$TARGETS_WITH_JIT)
809 dnl Allow enablement of building and installing docs
811 AS_HELP_STRING([--enable-docs],
812 [Build documents (default is YES)]),,
815 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
816 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
817 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
818 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
821 dnl Allow enablement of doxygen generated documentation
822 AC_ARG_ENABLE(doxygen,
823 AS_HELP_STRING([--enable-doxygen],
824 [Build doxygen documentation (default is NO)]),,
827 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
828 no|default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
829 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
832 dnl Allow enablement of doxygen search engine
833 AC_ARG_ENABLE(doxygen-search,
834 AS_HELP_STRING([--enable-doxygen-search],
835 [Enable doxygen search support (default is NO)]),,
837 ENABLE_DOXYGEN_SEARCH="$enableval"
841 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen-search. Use "yes" or "no"]) ;;
844 AC_ARG_ENABLE(doxygen-external-search,
845 AS_HELP_STRING([--enable-doxygen-external-search],
846 [Enable doxygen exteranl search (default is NO)]),,
848 ENABLE_DOXYGEN_EXTERNAL_SEARCH="$enableval"
852 dnl To match with the CMake behavior, enable doxygen when
853 dnl --enable-doxygen-external-search is enabled.
854 case "$ENABLE_DOXYGEN_SEARCH" in
855 yes|default) ENABLE_DOXYGEN_SEARCH="yes" ;;
856 no) AC_MSG_ERROR([The option --enable-doxygen-external-search requires --enable-doxygen-search]) ;;
860 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen-external-search. Use "yes" or "no"]) ;;
863 AC_ARG_WITH(doxygen-search-engine-url,
864 AS_HELP_STRING([--with-doxygen-search-engine-url],
865 [Specify the external search engine for doxygen]),,)
866 WITH_DOXYGEN_SEARCH_ENGINE_URL="$withval"
868 AC_ARG_WITH(doxygen-search-mappings,
869 AS_HELP_STRING([--with-doxygen-search-mappings],
870 [Specify the extra search mapping for doxygen]),,)
871 WITH_DOXYGEN_SEARCH_MAPPINGS="$withval"
873 case "$ENABLE_DOXYGEN_SEARCH" in
875 if test "$ENABLE_DOXYGEN" = "0" ; then
876 AC_MSG_ERROR([The option --enable-doxygen-search requires --enable-doxygen.])
879 AC_SUBST(enable_searchengine,[YES])
881 case "$ENABLE_DOXYGEN_EXTERNAL_SEARCH" in
883 AC_SUBST(enable_external_search,[YES])
884 AC_SUBST(enable_server_based_search,[YES])
885 AC_SUBST(searchengine_url,["$WITH_DOXYGEN_SEARCH_ENGINE_URL"])
886 AC_SUBST(extra_search_mappings,["$WITH_DOXYGEN_SEARCH_MAPPINGS"])
890 AC_SUBST(enable_external_search,[NO])
891 AC_SUBST(enable_server_based_search,[NO])
892 AC_SUBST(searchengine_url,[])
893 AC_SUBST(extra_search_mappings,[])
899 AC_SUBST(enable_searchengine,[NO])
900 AC_SUBST(searchengine_url,[])
901 AC_SUBST(enable_server_based_search,[NO])
902 AC_SUBST(enable_external_search,[NO])
903 AC_SUBST(extra_search_mappings,[])
907 AC_MSG_ERROR([Invalid setting for --enable-doxygen-search. Use "yes" or "no"])
911 dnl Allow enablement of doxygen generated Qt help files
912 AC_ARG_ENABLE(doxygen-qt-help,
913 AS_HELP_STRING([--enable-doxygen-qt-help],
914 [Build Qt help files (default is NO)]),,
918 if test "$ENABLE_DOXYGEN" = "0" ; then
919 AC_MSG_ERROR([The option --enable-doxygen-qt-help requires --enable-doxygen.])
922 AC_PATH_PROG(QHELPGENERATOR, [qhelpgenerator], [qhelpgenerator])
924 dnl Qt help file for llvm doxygen documentation
925 AC_SUBST(llvm_doxygen_generate_qhp,[YES])
926 AC_SUBST(llvm_doxygen_qch_filename,[org.llvm.qch])
927 AC_SUBST(llvm_doxygen_qhp_namespace,[org.llvm])
928 AC_SUBST(llvm_doxygen_qhelpgenerator_path,["$QHELPGENERATOR"])
929 AC_SUBST(llvm_doxygen_qhp_cust_filter_name,["$PACKAGE_STRING"])
930 AC_SUBST(llvm_doxygen_qhp_cust_filter_attrs,["$PACKAGE_NAME,$PACKAGE_VERSION"])
932 dnl Qt help file for clang doxygen documentation
933 AC_SUBST(clang_doxygen_generate_qhp,[YES])
934 AC_SUBST(clang_doxygen_qch_filename,[org.llvm.clang.qch])
935 AC_SUBST(clang_doxygen_qhp_namespace,[org.llvm.clang])
936 AC_SUBST(clang_doxygen_qhelpgenerator_path,["$QHELPGENERATOR"])
937 AC_SUBST(clang_doxygen_qhp_cust_filter_name,["Clang $PACKAGE_VERSION"])
938 AC_SUBST(clang_doxygen_qhp_cust_filter_attrs,["Clang,$PACKAGE_VERSION"])
942 AC_SUBST(llvm_doxygen_generate_qhp,[NO])
943 AC_SUBST(llvm_doxygen_qch_filename,[])
944 AC_SUBST(llvm_doxygen_qhp_namespace,[])
945 AC_SUBST(llvm_doxygen_qhelpgenerator_path,[])
946 AC_SUBST(llvm_doxygen_qhp_cust_filter_name,[])
947 AC_SUBST(llvm_doxygen_qhp_cust_filter_attrs,[])
949 AC_SUBST(clang_doxygen_generate_qhp,[NO])
950 AC_SUBST(clang_doxygen_qch_filename,[])
951 AC_SUBST(clang_doxygen_qhp_namespace,[])
952 AC_SUBST(clang_doxygen_qhelpgenerator_path,[])
953 AC_SUBST(clang_doxygen_qhp_cust_filter_name,["Clang $PACKAGE_VERSION"])
954 AC_SUBST(clang_doxygen_qhp_cust_filter_attrs,["Clang,$PACKAGE_VERSION"])
958 AC_MSG_ERROR([Invalid setting for --enable-doxygen-qt-help. Use "yes" or "no"]) ;;
961 dnl Allow disablement of threads
962 AC_ARG_ENABLE(threads,
963 AS_HELP_STRING([--enable-threads],
964 [Use threads if available (default is YES)]),,
967 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
968 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
969 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
970 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
972 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
973 [Define if threads enabled])
975 dnl Allow disablement of pthread.h
976 AC_ARG_ENABLE(pthreads,
977 AS_HELP_STRING([--enable-pthreads],
978 [Use pthreads if available (default is YES)]),,
981 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
982 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
983 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
984 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
987 dnl Allow disablement of zlib
989 AS_HELP_STRING([--enable-zlib],
990 [Use zlib for compression/decompression if
991 available (default is YES)]),,
994 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
995 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
996 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
997 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
999 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
1000 [Define if zlib is enabled])
1002 dnl Allow building without position independent code
1004 AS_HELP_STRING([--enable-pic],
1005 [Build LLVM with Position Independent Code (default is YES)]),,
1007 case "$enableval" in
1008 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
1009 no) AC_SUBST(ENABLE_PIC,[0]) ;;
1010 default) AC_SUBST(ENABLE_PIC,[1]) ;;
1011 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
1013 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
1014 [Define if position independent code is enabled])
1016 dnl Allow building a shared library and linking tools against it.
1017 AC_ARG_ENABLE(shared,
1018 AS_HELP_STRING([--enable-shared],
1019 [Build a shared library and link tools against it (default is NO)]),,
1021 case "$enableval" in
1022 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
1023 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
1024 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
1025 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
1028 dnl Allow libstdc++ is embedded in LLVM.dll.
1029 AC_ARG_ENABLE(embed-stdcxx,
1030 AS_HELP_STRING([--enable-embed-stdcxx],
1031 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
1033 case "$enableval" in
1034 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
1035 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
1036 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
1037 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
1040 dnl Enable embedding timestamp information into build.
1041 AC_ARG_ENABLE(timestamps,
1042 AS_HELP_STRING([--enable-timestamps],
1043 [Enable embedding timestamp information in build (default is YES)]),,
1045 case "$enableval" in
1046 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
1047 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
1048 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
1049 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
1051 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
1052 [Define if timestamp information (e.g., __DATE__) is allowed])
1054 dnl Enable support for showing backtraces.
1055 AC_ARG_ENABLE(backtraces, AS_HELP_STRING(
1056 [--enable-backtraces],
1057 [Enable embedding backtraces on crash (default is YES)]),
1058 [case "$enableval" in
1059 yes) llvm_cv_enable_backtraces="yes" ;;
1060 no) llvm_cv_enable_backtraces="no" ;;
1061 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
1063 llvm_cv_enable_backtraces="yes")
1064 if test "$llvm_cv_enable_backtraces" = "yes" ; then
1065 AC_DEFINE([ENABLE_BACKTRACES],[1],
1066 [Define if you want backtraces on crash])
1069 dnl Enable installing platform specific signal handling overrides, for improved
1070 dnl CrashRecovery support or interaction with crash reporting software. This
1071 dnl support may be inappropriate for some clients embedding LLVM as a library.
1072 AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING(
1073 [--enable-crash-overrides],
1074 [Enable crash handling overrides (default is YES)]),
1075 [case "$enableval" in
1076 yes) llvm_cv_enable_crash_overrides="yes" ;;
1077 no) llvm_cv_enable_crash_overrides="no" ;;
1078 *) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;;
1080 llvm_cv_enable_crash_overrides="yes")
1081 if test "$llvm_cv_enable_crash_overrides" = "yes" ; then
1082 AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1],
1083 [Define to enable crash handling overrides])
1086 dnl List all possible targets
1087 ALL_TARGETS="X86 Sparc PowerPC ARM AArch64 Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600"
1088 AC_SUBST(ALL_TARGETS,$ALL_TARGETS)
1090 dnl Allow specific targets to be specified for building (or not)
1092 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
1093 [Build specific host targets: all or target1,target2,... Valid targets are:
1094 host, x86, x86_64, sparc, powerpc, arm64, arm, aarch64, mips, hexagon,
1095 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
1097 if test "$enableval" = host-only ; then
1100 case "$enableval" in
1101 all) TARGETS_TO_BUILD="$ALL_TARGETS" ;;
1102 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
1104 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1105 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1106 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
1107 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
1108 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
1109 arm64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
1110 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
1111 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1112 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1113 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1114 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1115 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
1116 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
1117 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
1118 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
1119 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
1120 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
1121 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
1122 host) case "$llvm_cv_target_arch" in
1123 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1124 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1125 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
1126 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
1127 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
1128 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
1129 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1130 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
1131 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
1132 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
1133 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
1134 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
1135 *) AC_MSG_ERROR([Can not set target to build]) ;;
1137 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
1143 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
1144 [Build experimental host targets: disable or target1,target2,...
1145 (default=disable)]),,
1148 if test ${enableval} != "disable"
1150 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
1153 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
1155 dnl Determine whether we are building LLVM support for the native architecture.
1156 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
1157 for a_target in $TARGETS_TO_BUILD; do
1158 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
1159 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
1160 [LLVM architecture name for the native architecture, if available])
1161 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
1162 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
1163 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
1164 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
1165 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1166 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
1168 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1169 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
1171 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
1172 [LLVM name for the native Target init function, if available])
1173 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
1174 [LLVM name for the native TargetInfo init function, if available])
1175 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
1176 [LLVM name for the native target MC init function, if available])
1177 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
1178 [LLVM name for the native AsmPrinter init function, if available])
1179 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1180 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
1181 [LLVM name for the native AsmParser init function, if available])
1183 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1184 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
1185 [LLVM name for the native Disassembler init function, if available])
1190 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
1191 dnl target feature def files.
1192 LLVM_ENUM_TARGETS=""
1193 LLVM_ENUM_ASM_PRINTERS=""
1194 LLVM_ENUM_ASM_PARSERS=""
1195 LLVM_ENUM_DISASSEMBLERS=""
1196 for target_to_build in $TARGETS_TO_BUILD; do
1197 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
1198 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
1199 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
1201 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
1202 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
1204 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
1205 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
1208 AC_SUBST(LLVM_ENUM_TARGETS)
1209 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
1210 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
1211 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
1213 dnl Override the option to use for optimized builds.
1214 AC_ARG_WITH(optimize-option,
1215 AS_HELP_STRING([--with-optimize-option],
1216 [Select the compiler options to use for optimized builds]),,
1218 AC_MSG_CHECKING([optimization flags])
1221 case "$llvm_cv_os_type" in
1222 FreeBSD) optimize_option=-O2 ;;
1223 MingW) optimize_option=-O2 ;;
1224 *) optimize_option=-O3 ;;
1226 *) optimize_option="$withval" ;;
1228 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
1229 AC_MSG_RESULT([$optimize_option])
1231 dnl Specify extra build options
1232 AC_ARG_WITH(extra-options,
1233 AS_HELP_STRING([--with-extra-options],
1234 [Specify additional options to compile LLVM with]),,
1237 default) EXTRA_OPTIONS= ;;
1238 *) EXTRA_OPTIONS=$withval ;;
1240 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
1242 dnl Specify extra linker build options
1243 AC_ARG_WITH(extra-ld-options,
1244 AS_HELP_STRING([--with-extra-ld-options],
1245 [Specify additional options to link LLVM with]),,
1248 default) EXTRA_LD_OPTIONS= ;;
1249 *) EXTRA_LD_OPTIONS=$withval ;;
1251 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
1253 dnl Allow specific bindings to be specified for building (or not)
1254 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
1255 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
1257 BINDINGS_TO_BUILD=""
1258 case "$enableval" in
1259 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
1260 all ) BINDINGS_TO_BUILD="ocaml" ;;
1261 none | no) BINDINGS_TO_BUILD="" ;;
1262 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
1263 case "$a_binding" in
1264 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
1265 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
1271 dnl Allow the ocaml libdir to be overridden. This could go in a configure
1272 dnl script for bindings/ocaml/configure, except that its auto value depends on
1273 dnl OCAMLC, which is found here to support tests.
1274 AC_ARG_WITH([ocaml-libdir],
1275 [AS_HELP_STRING([--with-ocaml-libdir],
1276 [Specify install location for ocaml bindings (default is stdlib)])],
1280 auto) with_ocaml_libdir="$withval" ;;
1281 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
1282 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
1285 AC_ARG_WITH(clang-srcdir,
1286 AS_HELP_STRING([--with-clang-srcdir],
1287 [Directory to the out-of-tree Clang source]),,
1290 -) clang_src_root="" ;;
1291 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
1292 *) clang_src_root="$ac_pwd/$withval" ;;
1294 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1296 AC_ARG_WITH(clang-resource-dir,
1297 AS_HELP_STRING([--with-clang-resource-dir],
1298 [Relative directory from the Clang binary for resource files]),,
1300 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1301 [Relative directory for resource files])
1303 AC_ARG_WITH(c-include-dirs,
1304 AS_HELP_STRING([--with-c-include-dirs],
1305 [Colon separated list of directories clang will search for headers]),,
1307 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1308 [Directories clang will search for headers])
1310 # Clang normally uses the system c++ headers and libraries. With this option,
1311 # clang will use the ones provided by a gcc installation instead. This option should
1312 # be passed the same value that was used with --prefix when configuring gcc.
1313 AC_ARG_WITH(gcc-toolchain,
1314 AS_HELP_STRING([--with-gcc-toolchain],
1315 [Directory where gcc is installed.]),,
1317 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1318 [Directory where gcc is installed.])
1320 AC_ARG_WITH(default-sysroot,
1321 AS_HELP_STRING([--with-default-sysroot],
1322 [Add --sysroot=<path> to all compiler invocations.]),,
1324 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1325 [Default <path> to all compiler invocations for --sysroot=<path>.])
1327 dnl Allow linking of LLVM with GPLv3 binutils code.
1328 AC_ARG_WITH(binutils-include,
1329 AS_HELP_STRING([--with-binutils-include],
1330 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1333 default) WITH_BINUTILS_INCDIR=default ;;
1334 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1335 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1337 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1338 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1339 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1340 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1341 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1345 dnl Specify the URL where bug reports should be submitted.
1346 AC_ARG_WITH(bug-report-url,
1347 AS_HELP_STRING([--with-bug-report-url],
1348 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1349 withval="http://llvm.org/bugs/")
1350 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1353 dnl --enable-terminfo: check whether the user wants to control use of terminfo:
1354 AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
1355 [--enable-terminfo],
1356 [Query the terminfo database if available (default is YES)]),
1357 [case "$enableval" in
1358 yes) llvm_cv_enable_terminfo="yes" ;;
1359 no) llvm_cv_enable_terminfo="no" ;;
1360 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
1362 llvm_cv_enable_terminfo="yes")
1363 case "$llvm_cv_enable_terminfo" in
1364 yes) AC_SUBST(ENABLE_TERMINFO,[1]) ;;
1365 no) AC_SUBST(ENABLE_TERMINFO,[0]) ;;
1368 dnl --enable-libedit: check whether the user wants to turn off libedit.
1369 AC_ARG_ENABLE(libedit,AS_HELP_STRING(
1371 [Use libedit if available (default is YES)]),
1372 [case "$enableval" in
1373 yes) llvm_cv_enable_libedit="yes" ;;
1374 no) llvm_cv_enable_libedit="no" ;;
1375 *) AC_MSG_ERROR([Invalid setting for --enable-libedit. Use "yes" or "no"]) ;;
1377 llvm_cv_enable_libedit="yes")
1379 dnl --enable-libffi : check whether the user wants to turn off libffi:
1380 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1381 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1382 [case "$enableval" in
1383 yes) llvm_cv_enable_libffi="yes" ;;
1384 no) llvm_cv_enable_libffi="no" ;;
1385 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1387 llvm_cv_enable_libffi=no)
1389 AC_ARG_WITH(internal-prefix,
1390 AS_HELP_STRING([--with-internal-prefix],
1391 [Installation directory for internal files]),,
1393 AC_SUBST(INTERNAL_PREFIX,[$withval])
1395 dnl===-----------------------------------------------------------------------===
1397 dnl=== SECTION 4: Check for programs we need and that they are the right version
1399 dnl===-----------------------------------------------------------------------===
1401 dnl Check for the tools that the makefiles require
1404 AC_PATH_PROG(NM, [nm], [nm])
1405 AC_PATH_PROG(CMP, [cmp], [cmp])
1406 AC_PATH_PROG(CP, [cp], [cp])
1407 AC_PATH_PROG(DATE, [date], [date])
1408 AC_PATH_PROG(FIND, [find], [find])
1409 AC_PATH_PROG(GREP, [grep], [grep])
1410 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1411 AC_PATH_PROG(MV, [mv], [mv])
1413 AC_CHECK_TOOL(AR, ar, false)
1414 AC_PATH_PROG(RM, [rm], [rm])
1415 AC_PATH_PROG(SED, [sed], [sed])
1416 AC_PATH_PROG(TAR, [tar], [gtar])
1417 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1419 dnl Looking for misc. graph plotting software
1420 AC_PATH_PROG(DOT, [dot], [echo dot])
1421 if test "$DOT" != "echo dot" ; then
1422 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1423 dnl If we're targeting for mingw we should emit windows paths, not msys
1424 if test "$llvm_cv_os_type" = "MingW" ; then
1425 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1427 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1428 [Define to path to dot program if found or 'echo dot' otherwise])
1431 dnl Find the install program
1433 dnl Prepend src dir to install path dir if it's a relative path
1434 dnl This is a hack for installs that take place in something other
1435 dnl than the top level.
1437 [[\\/$]]* | ?:[[\\/]]* ) ;;
1438 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1441 dnl Checks for documentation and testing tools that we can do without. If these
1442 dnl are not found then they are set to "true" which always succeeds but does
1443 dnl nothing. This just lets the build output show that we could have done
1444 dnl something if the tool was available.
1445 AC_PATH_PROG(BZIP2, [bzip2])
1446 AC_PATH_PROG(CAT, [cat])
1447 AC_PATH_PROG(DOXYGEN, [doxygen])
1448 AC_PATH_PROG(GROFF, [groff])
1449 AC_PATH_PROG(GZIPBIN, [gzip])
1450 AC_PATH_PROG(PDFROFF, [pdfroff])
1451 AC_PATH_PROG(ZIP, [zip])
1452 AC_PATH_PROG(GO, [go])
1453 AC_PATH_PROGS(OCAMLFIND, [ocamlfind])
1454 AC_PATH_PROGS(GAS, [gas as])
1456 dnl Get the version of the linker in use.
1459 dnl Determine whether the linker supports the -R option.
1462 dnl Determine whether the compiler supports the -rdynamic option.
1463 AC_LINK_EXPORT_DYNAMIC
1465 dnl Determine whether the linker supports the --version-script option.
1466 AC_LINK_VERSION_SCRIPT
1468 AC_CHECK_HEADERS([errno.h])
1470 case "$llvm_cv_os_type" in
1471 Cygwin|MingW|Win32) llvm_shlib_ext=.dll ;;
1472 Darwin) llvm_shlib_ext=.dylib ;;
1473 *) llvm_shlib_ext=.so ;;
1476 AC_DEFINE_UNQUOTED([LTDL_SHLIB_EXT], ["$llvm_shlib_ext"], [The shared library extension])
1478 AC_MSG_CHECKING([tool compatibility])
1480 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1481 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1482 dnl to support those options.
1483 dnl "icc" emits gcc signatures
1484 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1496 if test "$GCC" != "yes" && test "$ICC" != "yes"
1498 AC_MSG_ERROR([gcc|icc required but not found])
1501 dnl Ensure that compilation tools are compatible with GCC extensions
1502 if test "$GXX" != "yes" && test "$IXX" != "yes"
1504 AC_MSG_ERROR([g++|clang++|icc required but not found])
1507 dnl Verify that GCC is version 3.0 or higher
1508 if test "$GCC" = "yes"
1513 #if !defined(__GNUC__) || __GNUC__ < 3
1514 #error Unsupported GCC version
1518 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1521 dnl Check for GNU Make. We use its extensions, so don't build without it
1522 if test -z "$llvm_cv_gnu_make_command"
1524 AC_MSG_ERROR([GNU Make required but not found])
1527 dnl Tool compatibility is okay if we make it here.
1530 dnl Check optional compiler flags.
1531 AC_MSG_CHECKING([optional compiler flags])
1532 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1533 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1534 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1536 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1537 dnl false positives, so disable it.
1539 NO_MAYBE_UNINITIALIZED=
1540 if test "$GXX" = "yes"
1542 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1543 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1544 dnl known to be uninitialized from cases which might be uninitialized. We
1545 dnl still want to catch the first kind of errors.
1546 if test -z "$NO_MAYBE_UNINITIALIZED"
1548 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1552 dnl Check for misbehaving -Wcomment (gcc-4.7 has this) and maybe add
1553 dnl -Wno-comment to the flags.
1555 llvm_cv_old_cxxflags="$CXXFLAGS"
1556 CXXFLAGS="$CXXFLAGS -Wcomment -Werror"
1559 AC_LANG_SOURCE([[// Comment \o\
1561 int main() { return 0; }
1565 no_comment=-Wno-comment
1568 AC_SUBST(NO_COMMENT, [$no_comment])
1569 CXXFLAGS="$llvm_cv_old_cxxflags"
1571 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED $NO_COMMENT])
1573 AC_ARG_WITH([python],
1574 [AS_HELP_STRING([--with-python], [path to python])],
1575 [PYTHON="$withval"])
1577 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1578 AC_MSG_CHECKING([for python])
1579 AC_MSG_RESULT([user defined: $with_python])
1581 if test -n "$PYTHON" ; then
1582 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1585 AC_PATH_PROG([PYTHON], [python python2 python27],
1586 [AC_MSG_RESULT([not found])
1587 AC_MSG_ERROR([could not find python 2.7 or higher])])
1590 AC_MSG_CHECKING([for python >= 2.7])
1591 ac_python_version=`$PYTHON -V 2>&1 | cut -d' ' -f2`
1592 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1593 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1594 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1595 if test "$ac_python_version_major" -gt "2" || \
1596 (test "$ac_python_version_major" -eq "2" && \
1597 test "$ac_python_version_minor" -ge "7") ; then
1598 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1600 AC_MSG_RESULT([not found])
1601 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.7])
1604 dnl===-----------------------------------------------------------------------===
1606 dnl=== SECTION 5: Check for libraries
1608 dnl===-----------------------------------------------------------------------===
1611 if test "$llvm_cv_os_type" = "MingW" ; then
1612 AC_CHECK_LIB(imagehlp, main)
1613 AC_CHECK_LIB(psapi, main)
1614 AC_CHECK_LIB(shell32, main)
1617 dnl dlopen() is required for plugin support.
1618 AC_SEARCH_LIBS(dlopen,dl,LLVM_DEFINE_SUBST([HAVE_DLOPEN],[1],
1619 [Define if dlopen() is available on this platform.]),
1620 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1622 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1623 dnl macros to detect whether clock_gettime is available, this just finds the
1624 dnl right libraries to link with.
1625 AC_SEARCH_LIBS(clock_gettime,rt)
1627 dnl The curses library is optional; used for querying terminal info
1628 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1629 dnl We need the has_color functionality in curses for it to be useful.
1630 AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw,
1631 LLVM_DEFINE_SUBST([HAVE_TERMINFO],[1],
1632 [Define if the setupterm() function is supported this platform.]))
1635 dnl The libedit library is optional; used by lib/LineEditor
1636 if test "$llvm_cv_enable_libedit" = "yes" ; then
1637 AC_SEARCH_LIBS(el_init,edit,
1638 AC_DEFINE([HAVE_LIBEDIT],[1],
1639 [Define if libedit is available on this platform.]))
1642 dnl libffi is optional; used to call external functions from the interpreter
1643 if test "$llvm_cv_enable_libffi" = "yes" ; then
1644 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1645 [Define if libffi is available on this platform.]),
1646 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1649 dnl mallinfo is optional; the code can compile (minus features) without it
1650 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1651 [Define if mallinfo() is available on this platform.]))
1653 dnl pthread locking functions are optional - but llvm will not be thread-safe
1655 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1656 AC_CHECK_LIB(pthread, pthread_mutex_init)
1657 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1658 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1659 [Have pthread_mutex_lock]))
1660 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1661 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1662 [Have pthread_rwlock_init]))
1663 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1664 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1665 [Have pthread_getspecific]))
1668 dnl zlib is optional; used for compression/uncompression
1669 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1670 AC_CHECK_LIB(z, compress2)
1673 dnl Allow OProfile support for JIT output.
1674 AC_ARG_WITH(oprofile,
1675 AS_HELP_STRING([--with-oprofile=<prefix>],
1676 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1678 AC_SUBST(USE_OPROFILE, [1])
1680 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1682 AC_SUBST(USE_OPROFILE, [0]) ;;
1683 *) llvm_cv_oppath="${withval}/lib/oprofile"
1684 CPPFLAGS="-I${withval}/include";;
1686 case $llvm_cv_os_type in
1688 if test -n "$llvm_cv_oppath" ; then
1689 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1690 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1691 dnl libbfd is not included properly in libopagent in some Debian
1692 dnl versions. If libbfd isn't found at all, we assume opagent works
1694 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1695 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1696 echo "Error! You need to have libopagent around."
1699 AC_CHECK_HEADER([opagent.h], [], [
1700 echo "Error! You need to have opagent.h around."
1705 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1709 AC_SUBST(USE_OPROFILE, [0])
1711 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1712 [Define if we have the oprofile JIT-support library])
1714 dnl Enable support for Intel JIT Events API.
1715 AC_ARG_WITH(intel-jitevents,
1716 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1719 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1720 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1721 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1724 case $llvm_cv_os_type in
1725 Linux|Win32|Cygwin|MingW) ;;
1726 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1729 case "$llvm_cv_target_arch" in
1731 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1735 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1737 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1738 [Define if we have the Intel JIT API runtime support library])
1740 dnl Check for libxml2
1741 dnl Right now we're just checking for the existence, we could also check for a
1742 dnl particular version via --version on xml2-config
1743 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1745 AC_MSG_CHECKING(for libxml2 includes)
1746 if test "x$XML2CONFIG" = "x"; then
1747 AC_MSG_RESULT(xml2-config not found)
1749 LIBXML2_INC=`$XML2CONFIG --cflags`
1750 AC_MSG_RESULT($LIBXML2_INC)
1751 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1752 LIBXML2_LIBS="-lxml2"])
1754 AC_SUBST(LIBXML2_LIBS)
1755 AC_SUBST(LIBXML2_INC)
1757 dnl===-----------------------------------------------------------------------===
1759 dnl=== SECTION 6: Check for header files
1761 dnl===-----------------------------------------------------------------------===
1763 dnl First, use autoconf provided macros for specific headers that we need
1764 dnl We don't check for ancient stuff or things that are guaranteed to be there
1765 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1766 dnl Generally we're looking for POSIX headers.
1768 AC_HEADER_MMAP_ANONYMOUS
1774 dnl size_t must be defined before including cxxabi.h on FreeBSD 10.0.
1775 AC_CHECK_HEADERS([cxxabi.h], [], [],
1776 [#include <stddef.h>
1780 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
1781 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1782 AC_CHECK_HEADERS([utime.h])
1783 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1784 AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
1785 AC_CHECK_HEADERS([valgrind/valgrind.h])
1786 AC_CHECK_HEADERS([fenv.h])
1787 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1788 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1789 AC_CHECK_HEADERS(pthread.h,
1790 AC_SUBST(HAVE_PTHREAD, 1),
1791 AC_SUBST(HAVE_PTHREAD, 0))
1793 AC_SUBST(HAVE_PTHREAD, 0)
1795 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1796 AC_CHECK_HEADERS(zlib.h,
1797 AC_SUBST(HAVE_LIBZ, 1),
1798 AC_SUBST(HAVE_LIBZ, 0))
1800 AC_SUBST(HAVE_LIBZ, 0)
1803 dnl Try to find ffi.h.
1804 if test "$llvm_cv_enable_libffi" = "yes" ; then
1805 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1808 dnl Try to find Darwin specific crash reporting libraries.
1809 AC_CHECK_HEADERS([CrashReporterClient.h])
1811 dnl Try to find Darwin specific crash reporting global.
1812 AC_MSG_CHECKING([__crashreporter_info__])
1816 extern const char *__crashreporter_info__;
1818 __crashreporter_info__ = "test";
1824 AC_MSG_RESULT([yes])
1825 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1829 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1832 dnl===-----------------------------------------------------------------------===
1834 dnl=== SECTION 7: Check for types and structures
1836 dnl===-----------------------------------------------------------------------===
1841 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1843 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1844 AC_CHECK_TYPES([uint64_t],,
1845 AC_CHECK_TYPES([u_int64_t],,
1846 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1848 dnl===-----------------------------------------------------------------------===
1850 dnl=== SECTION 8: Check for specific functions needed
1852 dnl===-----------------------------------------------------------------------===
1854 AC_CHECK_FUNCS([backtrace getcwd ])
1855 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1856 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1857 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
1858 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1859 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1860 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1861 AC_CHECK_FUNCS([futimes futimens])
1865 dnl Check for arc4random accessible via AC_INCLUDES_DEFAULT.
1866 AC_CHECK_DECLS([arc4random])
1868 dnl Check the declaration "Secure API" on Windows environments.
1869 AC_CHECK_DECLS([strerror_s])
1871 dnl Check symbols in libgcc.a for JIT on Mingw.
1872 if test "$llvm_cv_os_type" = "MingW" ; then
1873 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1874 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1875 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1876 AC_CHECK_LIB(gcc,__chkstk_ms,AC_DEFINE([HAVE___CHKSTK_MS],[1],[Have host's __chkstk_ms]))
1877 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1878 AC_CHECK_LIB(gcc,___chkstk_ms,AC_DEFINE([HAVE____CHKSTK_MS],[1],[Have host's ___chkstk_ms]))
1880 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1881 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1882 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1883 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1884 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1885 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1886 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1887 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1888 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1889 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1891 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1892 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1895 dnl Check Win32 API EnumerateLoadedModules.
1896 if test "$llvm_cv_os_type" = "MingW" ; then
1897 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1901 #include <windows.h>
1902 #include <imagehlp.h>
1903 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1904 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1908 AC_MSG_RESULT([yes])
1909 llvm_cv_win32_elmcb_pcstr="PCSTR"
1913 llvm_cv_win32_elmcb_pcstr="PSTR"
1915 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1918 dnl Check for mmap support.We also need to know if /dev/zero is required to
1919 dnl be opened for allocating RWX memory.
1920 dnl Make sure we aren't attempting to configure for an unknown system
1921 if test "$llvm_cv_platform_type" = "Unix" ; then
1924 AC_NEED_DEV_ZERO_FOR_MMAP
1926 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1928 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1930 if test "$ac_cv_func_mmap_file" = "no"
1932 AC_MSG_WARN([mmap() of files required but not found])
1936 dnl atomic builtins are required for threading support.
1937 AC_MSG_CHECKING(for GCC atomic builtins)
1938 dnl Since we'll be using these atomic builtins in C++ files we should test
1939 dnl the C++ compiler.
1945 volatile unsigned long val = 1;
1946 __sync_synchronize();
1947 __sync_val_compare_and_swap(&val, 1, 0);
1948 __sync_add_and_fetch(&val, 1);
1949 __sync_sub_and_fetch(&val, 1);
1955 AC_MSG_RESULT([yes])
1956 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1960 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1961 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1965 dnl===-----------------------------------------------------------------------===
1967 dnl=== SECTION 9: Additional checks, variables, etc.
1969 dnl===-----------------------------------------------------------------------===
1971 dnl Handle 32-bit linux systems running a 64-bit kernel.
1972 dnl This has to come after section 4 because it invokes the compiler.
1973 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1975 if test "$llvm_cv_linux_mixed" = "yes"; then
1976 llvm_cv_target_arch="x86"
1981 dnl Check whether __dso_handle is present
1982 AC_CHECK_FUNCS([__dso_handle])
1984 dnl Propagate the shared library extension that the libltdl checks did to
1985 dnl the Makefiles so we can use it there too
1986 AC_SUBST(SHLIBEXT,$llvm_shlib_ext)
1988 dnl Translate the various configuration directories and other basic
1989 dnl information into substitutions that will end up in Makefile.config.in
1990 dnl that these configured values can be used by the makefiles
1991 if test "${prefix}" = "NONE" ; then
1994 eval LLVM_PREFIX="${prefix}";
1995 eval LLVM_BINDIR="${prefix}/bin";
1996 eval LLVM_DATADIR="${prefix}/share/llvm";
1997 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1998 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1999 eval LLVM_INCLUDEDIR="${prefix}/include";
2000 eval LLVM_INFODIR="${prefix}/info";
2001 eval LLVM_MANDIR="${prefix}/man";
2002 LLVM_CONFIGTIME=`date`
2003 AC_SUBST(LLVM_PREFIX)
2004 AC_SUBST(LLVM_BINDIR)
2005 AC_SUBST(LLVM_DATADIR)
2006 AC_SUBST(LLVM_DOCSDIR)
2007 AC_SUBST(LLVM_ETCDIR)
2008 AC_SUBST(LLVM_INCLUDEDIR)
2009 AC_SUBST(LLVM_INFODIR)
2010 AC_SUBST(LLVM_MANDIR)
2011 AC_SUBST(LLVM_CONFIGTIME)
2013 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
2014 if test "${ENABLE_TIMESTAMPS}" = "0"; then
2015 LLVM_CONFIGTIME="(timestamp not enabled)"
2018 dnl Place the various directories into the config.h file as #defines so that we
2019 dnl can know about the installation paths within LLVM.
2020 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
2021 [Installation prefix directory])
2022 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
2023 [Installation directory for binary executables])
2024 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
2025 [Installation directory for data files])
2026 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
2027 [Installation directory for documentation])
2028 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
2029 [Installation directory for config files])
2030 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
2031 [Installation directory for include files])
2032 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
2033 [Installation directory for .info files])
2034 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
2035 [Installation directory for man pages])
2036 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
2037 [Time at which LLVM was configured])
2038 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
2039 [Host triple LLVM will be executed on])
2040 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
2041 [Target triple LLVM will generate code for by default])
2043 dnl Determine which bindings to build.
2044 if test "$BINDINGS_TO_BUILD" = auto ; then
2045 BINDINGS_TO_BUILD=""
2046 if test "x$OCAMLFIND" != x ; then
2047 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
2049 if test "x$GO" != x ; then
2050 if $GO run ${srcdir}/bindings/go/conftest.go ; then
2051 BINDINGS_TO_BUILD="go $BINDINGS_TO_BUILD"
2055 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
2057 dnl Do any work necessary to ensure that bindings have what they need.
2058 binding_prereqs_failed=0
2059 for a_binding in $BINDINGS_TO_BUILD ; do
2060 case "$a_binding" in
2062 if test "x$OCAMLFIND" = x ; then
2063 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlfind not found. Try configure OCAMLFIND=/path/to/ocamlfind])
2064 binding_prereqs_failed=1
2067 if $OCAMLFIND opt -version >/dev/null 2>/dev/null ; then
2072 AC_SUBST(HAVE_OCAMLOPT)
2074 if ! $OCAMLFIND query ctypes >/dev/null 2>/dev/null; then
2075 AC_MSG_WARN([--enable-bindings=ocaml specified, but ctypes is not installed])
2076 binding_prereqs_failed=1
2079 if $OCAMLFIND query oUnit >/dev/null 2>/dev/null; then
2083 AC_MSG_WARN([--enable-bindings=ocaml specified, but OUnit 2 is not installed. Tests will not run])
2084 dnl oUnit is optional!
2086 AC_SUBST(HAVE_OCAML_OUNIT)
2088 if test "x$with_ocaml_libdir" != xauto ; then
2089 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
2091 ocaml_stdlib="`"$OCAMLFIND" ocamlc -where`"
2092 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
2094 # ocaml stdlib is beneath our prefix; use stdlib
2095 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
2097 # ocaml stdlib is outside our prefix; use libdir/ocaml
2098 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
2103 if test "x$GO" = x ; then
2104 AC_MSG_WARN([--enable-bindings=go specified, but go not found. Try configure GO=/path/to/go])
2105 binding_prereqs_failed=1
2107 if $GO run ${srcdir}/bindings/go/conftest.go ; then
2110 AC_MSG_WARN([--enable-bindings=go specified, but need at least Go 1.2. Try configure GO=/path/to/go])
2111 binding_prereqs_failed=1
2117 if test "$binding_prereqs_failed" = 1 ; then
2118 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
2121 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
2122 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
2124 dnl Determine linker rpath flag
2125 if test "$llvm_cv_link_use_r" = "yes" ; then
2132 dnl Determine linker rdynamic flag
2133 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
2134 RDYNAMIC="-rdynamic"
2140 dnl===-----------------------------------------------------------------------===
2142 dnl=== SECTION 10: Specify the output files and generate it
2144 dnl===-----------------------------------------------------------------------===
2146 dnl Configure header files
2147 dnl WARNING: dnl If you add or remove any of the following config headers, then
2148 dnl you MUST also update Makefile so that the variable FilesToConfig
2149 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
2150 dnl files can be updated automatically when their *.in sources change.
2151 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
2152 AH_TOP([#ifndef CONFIG_H
2156 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
2157 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
2158 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
2159 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
2160 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
2162 dnl Configure the makefile's configuration data
2163 AC_CONFIG_FILES([Makefile.config])
2165 dnl Configure the RPM spec file for LLVM
2166 AC_CONFIG_FILES([llvm.spec])
2168 dnl Configure doxygen's configuration file
2169 AC_CONFIG_FILES([docs/doxygen.cfg])
2171 dnl Configure clang, if present
2172 if test "${clang_src_root}" = ""; then
2173 clang_src_root="$srcdir/tools/clang"
2175 if test -f ${clang_src_root}/README.txt; then
2176 dnl Clang supports build systems which use the multilib libdir suffix.
2177 dnl The autoconf system doesn't support this so stub out that variable.
2178 AC_DEFINE_UNQUOTED(CLANG_LIBDIR_SUFFIX,"",
2179 [Multilib suffix for libdir.])
2181 dnl Use variables to stay under 80 columns.
2182 configh="include/clang/Config/config.h"
2183 doxy="docs/doxygen.cfg"
2184 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
2185 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
2188 dnl OCaml findlib META file
2189 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
2191 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
2192 test "x$program_prefix" = "xNONE" && program_prefix=""
2193 AC_SUBST([program_prefix])
2196 dnl Do special configuration of Makefiles
2197 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
2198 AC_CONFIG_MAKEFILE(Makefile)
2199 AC_CONFIG_MAKEFILE(Makefile.common)
2200 AC_CONFIG_MAKEFILE(examples/Makefile)
2201 AC_CONFIG_MAKEFILE(lib/Makefile)
2202 AC_CONFIG_MAKEFILE(test/Makefile)
2203 AC_CONFIG_MAKEFILE(test/Makefile.tests)
2204 AC_CONFIG_MAKEFILE(unittests/Makefile)
2205 AC_CONFIG_MAKEFILE(tools/Makefile)
2206 AC_CONFIG_MAKEFILE(utils/Makefile)
2207 AC_CONFIG_MAKEFILE(projects/Makefile)
2208 AC_CONFIG_MAKEFILE(bindings/Makefile)
2209 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
2211 dnl Finally, crank out the output