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])
740 yes) AC_DEFINE([LLVM_ENABLE_ABI_BREAKING_CHECKS],[1],[Define to enable checks that alter the LLVM C++ ABI]) ;;
742 *) AC_MSG_ERROR([Invalid setting for --enable-abi-breaking-checks. Use "with-asserts", "yes" or "no"])
745 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
746 AC_ARG_ENABLE(debug-runtime,
747 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
748 if test ${enableval} = "no" ; then
749 AC_SUBST(DEBUG_RUNTIME,[[]])
751 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
754 dnl --enable-debug-symbols : should even optimized compiler libraries
755 dnl have debug symbols?
756 AC_ARG_ENABLE(debug-symbols,
757 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)
758 if test ${enableval} = "no" ; then
759 AC_SUBST(DEBUG_SYMBOLS,[[]])
761 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
764 dnl --enable-keep-symbols : do not strip installed executables
765 AC_ARG_ENABLE(keep-symbols,
766 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
767 if test ${enableval} = "no" ; then
768 AC_SUBST(KEEP_SYMBOLS,[[]])
770 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
773 dnl --enable-jit: check whether they want to enable the jit
775 AS_HELP_STRING(--enable-jit,
776 [Enable Just In Time Compiling (default is YES)]),,
778 if test ${enableval} = "no"
782 case "$llvm_cv_target_arch" in
783 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
784 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
785 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
786 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
787 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
788 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
789 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
790 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
791 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
792 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
793 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
794 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
798 TARGETS_WITH_JIT="ARM AArch64 Mips PowerPC SystemZ X86"
799 AC_SUBST(TARGETS_WITH_JIT,$TARGETS_WITH_JIT)
801 dnl Allow enablement of building and installing docs
803 AS_HELP_STRING([--enable-docs],
804 [Build documents (default is YES)]),,
807 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
808 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
809 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
810 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
813 dnl Allow enablement of doxygen generated documentation
814 AC_ARG_ENABLE(doxygen,
815 AS_HELP_STRING([--enable-doxygen],
816 [Build doxygen documentation (default is NO)]),,
819 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
820 no|default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
821 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
824 dnl Allow enablement of doxygen search engine
825 AC_ARG_ENABLE(doxygen-search,
826 AS_HELP_STRING([--enable-doxygen-search],
827 [Enable doxygen search support (default is NO)]),,
829 ENABLE_DOXYGEN_SEARCH="$enableval"
833 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen-search. Use "yes" or "no"]) ;;
836 AC_ARG_ENABLE(doxygen-external-search,
837 AS_HELP_STRING([--enable-doxygen-external-search],
838 [Enable doxygen exteranl search (default is NO)]),,
840 ENABLE_DOXYGEN_EXTERNAL_SEARCH="$enableval"
844 dnl To match with the CMake behavior, enable doxygen when
845 dnl --enable-doxygen-external-search is enabled.
846 case "$ENABLE_DOXYGEN_SEARCH" in
847 yes|default) ENABLE_DOXYGEN_SEARCH="yes" ;;
848 no) AC_MSG_ERROR([The option --enable-doxygen-external-search requires --enable-doxygen-search]) ;;
852 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen-external-search. Use "yes" or "no"]) ;;
855 AC_ARG_WITH(doxygen-search-engine-url,
856 AS_HELP_STRING([--with-doxygen-search-engine-url],
857 [Specify the external search engine for doxygen]),,)
858 WITH_DOXYGEN_SEARCH_ENGINE_URL="$withval"
860 AC_ARG_WITH(doxygen-search-mappings,
861 AS_HELP_STRING([--with-doxygen-search-mappings],
862 [Specify the extra search mapping for doxygen]),,)
863 WITH_DOXYGEN_SEARCH_MAPPINGS="$withval"
865 case "$ENABLE_DOXYGEN_SEARCH" in
867 if test "$ENABLE_DOXYGEN" = "0" ; then
868 AC_MSG_ERROR([The option --enable-doxygen-search requires --enable-doxygen.])
871 AC_SUBST(enable_searchengine,[YES])
873 case "$ENABLE_DOXYGEN_EXTERNAL_SEARCH" in
875 AC_SUBST(enable_external_search,[YES])
876 AC_SUBST(enable_server_based_search,[YES])
877 AC_SUBST(searchengine_url,["$WITH_DOXYGEN_SEARCH_ENGINE_URL"])
878 AC_SUBST(extra_search_mappings,["$WITH_DOXYGEN_SEARCH_MAPPINGS"])
882 AC_SUBST(enable_external_search,[NO])
883 AC_SUBST(enable_server_based_search,[NO])
884 AC_SUBST(searchengine_url,[])
885 AC_SUBST(extra_search_mappings,[])
891 AC_SUBST(enable_searchengine,[NO])
892 AC_SUBST(searchengine_url,[])
893 AC_SUBST(enable_server_based_search,[NO])
894 AC_SUBST(enable_external_search,[NO])
895 AC_SUBST(extra_search_mappings,[])
899 AC_MSG_ERROR([Invalid setting for --enable-doxygen-search. Use "yes" or "no"])
903 dnl Allow enablement of doxygen generated Qt help files
904 AC_ARG_ENABLE(doxygen-qt-help,
905 AS_HELP_STRING([--enable-doxygen-qt-help],
906 [Build Qt help files (default is NO)]),,
910 if test "$ENABLE_DOXYGEN" = "0" ; then
911 AC_MSG_ERROR([The option --enable-doxygen-qt-help requires --enable-doxygen.])
914 AC_PATH_PROG(QHELPGENERATOR, [qhelpgenerator], [qhelpgenerator])
916 dnl Qt help file for llvm doxygen documentation
917 AC_SUBST(llvm_doxygen_generate_qhp,[YES])
918 AC_SUBST(llvm_doxygen_qch_filename,[org.llvm.qch])
919 AC_SUBST(llvm_doxygen_qhp_namespace,[org.llvm])
920 AC_SUBST(llvm_doxygen_qhelpgenerator_path,["$QHELPGENERATOR"])
921 AC_SUBST(llvm_doxygen_qhp_cust_filter_name,["$PACKAGE_STRING"])
922 AC_SUBST(llvm_doxygen_qhp_cust_filter_attrs,["$PACKAGE_NAME,$PACKAGE_VERSION"])
924 dnl Qt help file for clang doxygen documentation
925 AC_SUBST(clang_doxygen_generate_qhp,[YES])
926 AC_SUBST(clang_doxygen_qch_filename,[org.llvm.clang.qch])
927 AC_SUBST(clang_doxygen_qhp_namespace,[org.llvm.clang])
928 AC_SUBST(clang_doxygen_qhelpgenerator_path,["$QHELPGENERATOR"])
929 AC_SUBST(clang_doxygen_qhp_cust_filter_name,["Clang $PACKAGE_VERSION"])
930 AC_SUBST(clang_doxygen_qhp_cust_filter_attrs,["Clang,$PACKAGE_VERSION"])
934 AC_SUBST(llvm_doxygen_generate_qhp,[NO])
935 AC_SUBST(llvm_doxygen_qch_filename,[])
936 AC_SUBST(llvm_doxygen_qhp_namespace,[])
937 AC_SUBST(llvm_doxygen_qhelpgenerator_path,[])
938 AC_SUBST(llvm_doxygen_qhp_cust_filter_name,[])
939 AC_SUBST(llvm_doxygen_qhp_cust_filter_attrs,[])
941 AC_SUBST(clang_doxygen_generate_qhp,[NO])
942 AC_SUBST(clang_doxygen_qch_filename,[])
943 AC_SUBST(clang_doxygen_qhp_namespace,[])
944 AC_SUBST(clang_doxygen_qhelpgenerator_path,[])
945 AC_SUBST(clang_doxygen_qhp_cust_filter_name,["Clang $PACKAGE_VERSION"])
946 AC_SUBST(clang_doxygen_qhp_cust_filter_attrs,["Clang,$PACKAGE_VERSION"])
950 AC_MSG_ERROR([Invalid setting for --enable-doxygen-qt-help. Use "yes" or "no"]) ;;
953 dnl Allow disablement of threads
954 AC_ARG_ENABLE(threads,
955 AS_HELP_STRING([--enable-threads],
956 [Use threads if available (default is YES)]),,
959 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
960 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
961 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
962 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
964 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
965 [Define if threads enabled])
967 dnl Allow disablement of pthread.h
968 AC_ARG_ENABLE(pthreads,
969 AS_HELP_STRING([--enable-pthreads],
970 [Use pthreads if available (default is YES)]),,
973 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
974 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
975 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
976 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
979 dnl Allow disablement of zlib
981 AS_HELP_STRING([--enable-zlib],
982 [Use zlib for compression/decompression if
983 available (default is YES)]),,
986 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
987 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
988 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
989 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
991 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
992 [Define if zlib is enabled])
994 dnl Allow building without position independent code
996 AS_HELP_STRING([--enable-pic],
997 [Build LLVM with Position Independent Code (default is YES)]),,
1000 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
1001 no) AC_SUBST(ENABLE_PIC,[0]) ;;
1002 default) AC_SUBST(ENABLE_PIC,[1]) ;;
1003 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
1005 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
1006 [Define if position independent code is enabled])
1008 dnl Allow building a shared library and linking tools against it.
1009 AC_ARG_ENABLE(shared,
1010 AS_HELP_STRING([--enable-shared],
1011 [Build a shared library and link tools against it (default is NO)]),,
1013 case "$enableval" in
1014 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
1015 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
1016 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
1017 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
1020 dnl Allow libstdc++ is embedded in LLVM.dll.
1021 AC_ARG_ENABLE(embed-stdcxx,
1022 AS_HELP_STRING([--enable-embed-stdcxx],
1023 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
1025 case "$enableval" in
1026 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
1027 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
1028 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
1029 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
1032 dnl Enable embedding timestamp information into build.
1033 AC_ARG_ENABLE(timestamps,
1034 AS_HELP_STRING([--enable-timestamps],
1035 [Enable embedding timestamp information in build (default is YES)]),,
1037 case "$enableval" in
1038 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
1039 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
1040 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
1041 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
1043 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
1044 [Define if timestamp information (e.g., __DATE__) is allowed])
1046 dnl Enable support for showing backtraces.
1047 AC_ARG_ENABLE(backtraces, AS_HELP_STRING(
1048 [--enable-backtraces],
1049 [Enable embedding backtraces on crash (default is YES)]),
1050 [case "$enableval" in
1051 yes) llvm_cv_enable_backtraces="yes" ;;
1052 no) llvm_cv_enable_backtraces="no" ;;
1053 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
1055 llvm_cv_enable_backtraces="yes")
1056 if test "$llvm_cv_enable_backtraces" = "yes" ; then
1057 AC_DEFINE([ENABLE_BACKTRACES],[1],
1058 [Define if you want backtraces on crash])
1061 dnl Enable installing platform specific signal handling overrides, for improved
1062 dnl CrashRecovery support or interaction with crash reporting software. This
1063 dnl support may be inappropriate for some clients embedding LLVM as a library.
1064 AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING(
1065 [--enable-crash-overrides],
1066 [Enable crash handling overrides (default is YES)]),
1067 [case "$enableval" in
1068 yes) llvm_cv_enable_crash_overrides="yes" ;;
1069 no) llvm_cv_enable_crash_overrides="no" ;;
1070 *) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;;
1072 llvm_cv_enable_crash_overrides="yes")
1073 if test "$llvm_cv_enable_crash_overrides" = "yes" ; then
1074 AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1],
1075 [Define to enable crash handling overrides])
1078 dnl List all possible targets
1079 ALL_TARGETS="X86 Sparc PowerPC ARM AArch64 Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600"
1080 AC_SUBST(ALL_TARGETS,$ALL_TARGETS)
1082 dnl Allow specific targets to be specified for building (or not)
1084 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
1085 [Build specific host targets: all or target1,target2,... Valid targets are:
1086 host, x86, x86_64, sparc, powerpc, arm64, arm, aarch64, mips, hexagon,
1087 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
1089 if test "$enableval" = host-only ; then
1092 case "$enableval" in
1093 all) TARGETS_TO_BUILD="$ALL_TARGETS" ;;
1094 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
1096 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1097 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1098 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
1099 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
1100 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
1101 arm64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
1102 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
1103 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1104 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1105 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1106 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1107 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
1108 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
1109 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
1110 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
1111 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
1112 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
1113 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
1114 host) case "$llvm_cv_target_arch" in
1115 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1116 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1117 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
1118 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
1119 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
1120 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
1121 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1122 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
1123 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
1124 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
1125 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
1126 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
1127 *) AC_MSG_ERROR([Can not set target to build]) ;;
1129 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
1135 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
1136 [Build experimental host targets: disable or target1,target2,...
1137 (default=disable)]),,
1140 if test ${enableval} != "disable"
1142 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
1145 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
1147 dnl Determine whether we are building LLVM support for the native architecture.
1148 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
1149 for a_target in $TARGETS_TO_BUILD; do
1150 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
1151 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
1152 [LLVM architecture name for the native architecture, if available])
1153 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
1154 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
1155 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
1156 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
1157 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1158 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
1160 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1161 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
1163 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
1164 [LLVM name for the native Target init function, if available])
1165 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
1166 [LLVM name for the native TargetInfo init function, if available])
1167 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
1168 [LLVM name for the native target MC init function, if available])
1169 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
1170 [LLVM name for the native AsmPrinter init function, if available])
1171 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1172 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
1173 [LLVM name for the native AsmParser init function, if available])
1175 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1176 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
1177 [LLVM name for the native Disassembler init function, if available])
1182 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
1183 dnl target feature def files.
1184 LLVM_ENUM_TARGETS=""
1185 LLVM_ENUM_ASM_PRINTERS=""
1186 LLVM_ENUM_ASM_PARSERS=""
1187 LLVM_ENUM_DISASSEMBLERS=""
1188 for target_to_build in $TARGETS_TO_BUILD; do
1189 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
1190 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
1191 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
1193 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
1194 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
1196 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
1197 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
1200 AC_SUBST(LLVM_ENUM_TARGETS)
1201 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
1202 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
1203 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
1205 dnl Override the option to use for optimized builds.
1206 AC_ARG_WITH(optimize-option,
1207 AS_HELP_STRING([--with-optimize-option],
1208 [Select the compiler options to use for optimized builds]),,
1210 AC_MSG_CHECKING([optimization flags])
1213 case "$llvm_cv_os_type" in
1214 FreeBSD) optimize_option=-O2 ;;
1215 MingW) optimize_option=-O2 ;;
1216 *) optimize_option=-O3 ;;
1218 *) optimize_option="$withval" ;;
1220 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
1221 AC_MSG_RESULT([$optimize_option])
1223 dnl Specify extra build options
1224 AC_ARG_WITH(extra-options,
1225 AS_HELP_STRING([--with-extra-options],
1226 [Specify additional options to compile LLVM with]),,
1229 default) EXTRA_OPTIONS= ;;
1230 *) EXTRA_OPTIONS=$withval ;;
1232 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
1234 dnl Specify extra linker build options
1235 AC_ARG_WITH(extra-ld-options,
1236 AS_HELP_STRING([--with-extra-ld-options],
1237 [Specify additional options to link LLVM with]),,
1240 default) EXTRA_LD_OPTIONS= ;;
1241 *) EXTRA_LD_OPTIONS=$withval ;;
1243 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
1245 dnl Allow specific bindings to be specified for building (or not)
1246 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
1247 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
1249 BINDINGS_TO_BUILD=""
1250 case "$enableval" in
1251 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
1252 all ) BINDINGS_TO_BUILD="ocaml" ;;
1253 none | no) BINDINGS_TO_BUILD="" ;;
1254 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
1255 case "$a_binding" in
1256 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
1257 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
1263 dnl Allow the ocaml libdir to be overridden. This could go in a configure
1264 dnl script for bindings/ocaml/configure, except that its auto value depends on
1265 dnl OCAMLC, which is found here to support tests.
1266 AC_ARG_WITH([ocaml-libdir],
1267 [AS_HELP_STRING([--with-ocaml-libdir],
1268 [Specify install location for ocaml bindings (default is stdlib)])],
1272 auto) with_ocaml_libdir="$withval" ;;
1273 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
1274 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
1277 AC_ARG_WITH(clang-srcdir,
1278 AS_HELP_STRING([--with-clang-srcdir],
1279 [Directory to the out-of-tree Clang source]),,
1282 -) clang_src_root="" ;;
1283 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
1284 *) clang_src_root="$ac_pwd/$withval" ;;
1286 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1288 AC_ARG_WITH(clang-resource-dir,
1289 AS_HELP_STRING([--with-clang-resource-dir],
1290 [Relative directory from the Clang binary for resource files]),,
1292 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1293 [Relative directory for resource files])
1295 AC_ARG_WITH(c-include-dirs,
1296 AS_HELP_STRING([--with-c-include-dirs],
1297 [Colon separated list of directories clang will search for headers]),,
1299 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1300 [Directories clang will search for headers])
1302 # Clang normally uses the system c++ headers and libraries. With this option,
1303 # clang will use the ones provided by a gcc installation instead. This option should
1304 # be passed the same value that was used with --prefix when configuring gcc.
1305 AC_ARG_WITH(gcc-toolchain,
1306 AS_HELP_STRING([--with-gcc-toolchain],
1307 [Directory where gcc is installed.]),,
1309 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1310 [Directory where gcc is installed.])
1312 AC_ARG_WITH(default-sysroot,
1313 AS_HELP_STRING([--with-default-sysroot],
1314 [Add --sysroot=<path> to all compiler invocations.]),,
1316 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1317 [Default <path> to all compiler invocations for --sysroot=<path>.])
1319 dnl Allow linking of LLVM with GPLv3 binutils code.
1320 AC_ARG_WITH(binutils-include,
1321 AS_HELP_STRING([--with-binutils-include],
1322 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1325 default) WITH_BINUTILS_INCDIR=default ;;
1326 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1327 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1329 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1330 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1331 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1332 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1333 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1337 dnl Specify the URL where bug reports should be submitted.
1338 AC_ARG_WITH(bug-report-url,
1339 AS_HELP_STRING([--with-bug-report-url],
1340 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1341 withval="http://llvm.org/bugs/")
1342 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1345 dnl --enable-terminfo: check whether the user wants to control use of terminfo:
1346 AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
1347 [--enable-terminfo],
1348 [Query the terminfo database if available (default is YES)]),
1349 [case "$enableval" in
1350 yes) llvm_cv_enable_terminfo="yes" ;;
1351 no) llvm_cv_enable_terminfo="no" ;;
1352 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
1354 llvm_cv_enable_terminfo="yes")
1355 case "$llvm_cv_enable_terminfo" in
1356 yes) AC_SUBST(ENABLE_TERMINFO,[1]) ;;
1357 no) AC_SUBST(ENABLE_TERMINFO,[0]) ;;
1360 dnl --enable-libedit: check whether the user wants to turn off libedit.
1361 AC_ARG_ENABLE(libedit,AS_HELP_STRING(
1363 [Use libedit if available (default is YES)]),
1364 [case "$enableval" in
1365 yes) llvm_cv_enable_libedit="yes" ;;
1366 no) llvm_cv_enable_libedit="no" ;;
1367 *) AC_MSG_ERROR([Invalid setting for --enable-libedit. Use "yes" or "no"]) ;;
1369 llvm_cv_enable_libedit="yes")
1371 dnl --enable-libffi : check whether the user wants to turn off libffi:
1372 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1373 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1374 [case "$enableval" in
1375 yes) llvm_cv_enable_libffi="yes" ;;
1376 no) llvm_cv_enable_libffi="no" ;;
1377 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1379 llvm_cv_enable_libffi=no)
1381 AC_ARG_WITH(internal-prefix,
1382 AS_HELP_STRING([--with-internal-prefix],
1383 [Installation directory for internal files]),,
1385 AC_SUBST(INTERNAL_PREFIX,[$withval])
1387 dnl===-----------------------------------------------------------------------===
1389 dnl=== SECTION 4: Check for programs we need and that they are the right version
1391 dnl===-----------------------------------------------------------------------===
1393 dnl Check for the tools that the makefiles require
1396 AC_PATH_PROG(NM, [nm], [nm])
1397 AC_PATH_PROG(CMP, [cmp], [cmp])
1398 AC_PATH_PROG(CP, [cp], [cp])
1399 AC_PATH_PROG(DATE, [date], [date])
1400 AC_PATH_PROG(FIND, [find], [find])
1401 AC_PATH_PROG(GREP, [grep], [grep])
1402 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1403 AC_PATH_PROG(MV, [mv], [mv])
1405 AC_CHECK_TOOL(AR, ar, false)
1406 AC_PATH_PROG(RM, [rm], [rm])
1407 AC_PATH_PROG(SED, [sed], [sed])
1408 AC_PATH_PROG(TAR, [tar], [gtar])
1409 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1411 dnl Looking for misc. graph plotting software
1412 AC_PATH_PROG(DOT, [dot], [echo dot])
1413 if test "$DOT" != "echo dot" ; then
1414 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1415 dnl If we're targeting for mingw we should emit windows paths, not msys
1416 if test "$llvm_cv_os_type" = "MingW" ; then
1417 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1419 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1420 [Define to path to dot program if found or 'echo dot' otherwise])
1423 dnl Find the install program
1425 dnl Prepend src dir to install path dir if it's a relative path
1426 dnl This is a hack for installs that take place in something other
1427 dnl than the top level.
1429 [[\\/$]]* | ?:[[\\/]]* ) ;;
1430 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1433 dnl Checks for documentation and testing tools that we can do without. If these
1434 dnl are not found then they are set to "true" which always succeeds but does
1435 dnl nothing. This just lets the build output show that we could have done
1436 dnl something if the tool was available.
1437 AC_PATH_PROG(BZIP2, [bzip2])
1438 AC_PATH_PROG(CAT, [cat])
1439 AC_PATH_PROG(DOXYGEN, [doxygen])
1440 AC_PATH_PROG(GROFF, [groff])
1441 AC_PATH_PROG(GZIPBIN, [gzip])
1442 AC_PATH_PROG(PDFROFF, [pdfroff])
1443 AC_PATH_PROG(ZIP, [zip])
1444 AC_PATH_PROG(GO, [go])
1445 AC_PATH_PROGS(OCAMLFIND, [ocamlfind])
1446 AC_PATH_PROGS(GAS, [gas as])
1448 dnl Get the version of the linker in use.
1451 dnl Determine whether the linker supports the -R option.
1454 dnl Determine whether the compiler supports the -rdynamic option.
1455 AC_LINK_EXPORT_DYNAMIC
1457 dnl Determine whether the linker supports the --version-script option.
1458 AC_LINK_VERSION_SCRIPT
1460 AC_CHECK_HEADERS([errno.h])
1462 case "$llvm_cv_os_type" in
1463 Cygwin|MingW|Win32) llvm_shlib_ext=.dll ;;
1464 Darwin) llvm_shlib_ext=.dylib ;;
1465 *) llvm_shlib_ext=.so ;;
1468 AC_DEFINE_UNQUOTED([LTDL_SHLIB_EXT], ["$llvm_shlib_ext"], [The shared library extension])
1470 AC_MSG_CHECKING([tool compatibility])
1472 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1473 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1474 dnl to support those options.
1475 dnl "icc" emits gcc signatures
1476 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1488 if test "$GCC" != "yes" && test "$ICC" != "yes"
1490 AC_MSG_ERROR([gcc|icc required but not found])
1493 dnl Ensure that compilation tools are compatible with GCC extensions
1494 if test "$GXX" != "yes" && test "$IXX" != "yes"
1496 AC_MSG_ERROR([g++|clang++|icc required but not found])
1499 dnl Verify that GCC is version 3.0 or higher
1500 if test "$GCC" = "yes"
1505 #if !defined(__GNUC__) || __GNUC__ < 3
1506 #error Unsupported GCC version
1510 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1513 dnl Check for GNU Make. We use its extensions, so don't build without it
1514 if test -z "$llvm_cv_gnu_make_command"
1516 AC_MSG_ERROR([GNU Make required but not found])
1519 dnl Tool compatibility is okay if we make it here.
1522 dnl Check optional compiler flags.
1523 AC_MSG_CHECKING([optional compiler flags])
1524 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1525 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1526 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1528 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1529 dnl false positives, so disable it.
1531 NO_MAYBE_UNINITIALIZED=
1532 if test "$GXX" = "yes"
1534 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1535 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1536 dnl known to be uninitialized from cases which might be uninitialized. We
1537 dnl still want to catch the first kind of errors.
1538 if test -z "$NO_MAYBE_UNINITIALIZED"
1540 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1544 dnl Check for misbehaving -Wcomment (gcc-4.7 has this) and maybe add
1545 dnl -Wno-comment to the flags.
1547 llvm_cv_old_cxxflags="$CXXFLAGS"
1548 CXXFLAGS="$CXXFLAGS -Wcomment -Werror"
1551 AC_LANG_SOURCE([[// Comment \o\
1553 int main() { return 0; }
1557 no_comment=-Wno-comment
1560 AC_SUBST(NO_COMMENT, [$no_comment])
1561 CXXFLAGS="$llvm_cv_old_cxxflags"
1563 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED $NO_COMMENT])
1565 AC_ARG_WITH([python],
1566 [AS_HELP_STRING([--with-python], [path to python])],
1567 [PYTHON="$withval"])
1569 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1570 AC_MSG_CHECKING([for python])
1571 AC_MSG_RESULT([user defined: $with_python])
1573 if test -n "$PYTHON" ; then
1574 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1577 AC_PATH_PROG([PYTHON], [python python2 python27],
1578 [AC_MSG_RESULT([not found])
1579 AC_MSG_ERROR([could not find python 2.7 or higher])])
1582 AC_MSG_CHECKING([for python >= 2.7])
1583 ac_python_version=`$PYTHON -V 2>&1 | cut -d' ' -f2`
1584 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1585 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1586 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1587 if test "$ac_python_version_major" -gt "2" || \
1588 (test "$ac_python_version_major" -eq "2" && \
1589 test "$ac_python_version_minor" -ge "7") ; then
1590 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1592 AC_MSG_RESULT([not found])
1593 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.7])
1596 dnl===-----------------------------------------------------------------------===
1598 dnl=== SECTION 5: Check for libraries
1600 dnl===-----------------------------------------------------------------------===
1603 if test "$llvm_cv_os_type" = "MingW" ; then
1604 AC_CHECK_LIB(imagehlp, main)
1605 AC_CHECK_LIB(psapi, main)
1606 AC_CHECK_LIB(shell32, main)
1609 dnl dlopen() is required for plugin support.
1610 AC_SEARCH_LIBS(dlopen,dl,LLVM_DEFINE_SUBST([HAVE_DLOPEN],[1],
1611 [Define if dlopen() is available on this platform.]),
1612 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1614 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1615 dnl macros to detect whether clock_gettime is available, this just finds the
1616 dnl right libraries to link with.
1617 AC_SEARCH_LIBS(clock_gettime,rt)
1619 dnl The curses library is optional; used for querying terminal info
1620 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1621 dnl We need the has_color functionality in curses for it to be useful.
1622 AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw,
1623 LLVM_DEFINE_SUBST([HAVE_TERMINFO],[1],
1624 [Define if the setupterm() function is supported this platform.]))
1627 dnl The libedit library is optional; used by lib/LineEditor
1628 if test "$llvm_cv_enable_libedit" = "yes" ; then
1629 AC_SEARCH_LIBS(el_init,edit,
1630 AC_DEFINE([HAVE_LIBEDIT],[1],
1631 [Define if libedit is available on this platform.]))
1634 dnl libffi is optional; used to call external functions from the interpreter
1635 if test "$llvm_cv_enable_libffi" = "yes" ; then
1636 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1637 [Define if libffi is available on this platform.]),
1638 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1641 dnl mallinfo is optional; the code can compile (minus features) without it
1642 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1643 [Define if mallinfo() is available on this platform.]))
1645 dnl pthread locking functions are optional - but llvm will not be thread-safe
1647 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1648 AC_CHECK_LIB(pthread, pthread_mutex_init)
1649 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1650 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1651 [Have pthread_mutex_lock]))
1652 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1653 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1654 [Have pthread_rwlock_init]))
1655 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1656 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1657 [Have pthread_getspecific]))
1660 dnl zlib is optional; used for compression/uncompression
1661 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1662 AC_CHECK_LIB(z, compress2)
1665 dnl Allow OProfile support for JIT output.
1666 AC_ARG_WITH(oprofile,
1667 AS_HELP_STRING([--with-oprofile=<prefix>],
1668 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1670 AC_SUBST(USE_OPROFILE, [1])
1672 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1674 AC_SUBST(USE_OPROFILE, [0]) ;;
1675 *) llvm_cv_oppath="${withval}/lib/oprofile"
1676 CPPFLAGS="-I${withval}/include";;
1678 case $llvm_cv_os_type in
1680 if test -n "$llvm_cv_oppath" ; then
1681 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1682 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1683 dnl libbfd is not included properly in libopagent in some Debian
1684 dnl versions. If libbfd isn't found at all, we assume opagent works
1686 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1687 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1688 echo "Error! You need to have libopagent around."
1691 AC_CHECK_HEADER([opagent.h], [], [
1692 echo "Error! You need to have opagent.h around."
1697 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1701 AC_SUBST(USE_OPROFILE, [0])
1703 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1704 [Define if we have the oprofile JIT-support library])
1706 dnl Enable support for Intel JIT Events API.
1707 AC_ARG_WITH(intel-jitevents,
1708 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1711 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1712 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1713 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1716 case $llvm_cv_os_type in
1717 Linux|Win32|Cygwin|MingW) ;;
1718 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1721 case "$llvm_cv_target_arch" in
1723 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1727 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1729 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1730 [Define if we have the Intel JIT API runtime support library])
1732 dnl Check for libxml2
1733 dnl Right now we're just checking for the existence, we could also check for a
1734 dnl particular version via --version on xml2-config
1735 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1737 AC_MSG_CHECKING(for libxml2 includes)
1738 if test "x$XML2CONFIG" = "x"; then
1739 AC_MSG_RESULT(xml2-config not found)
1741 LIBXML2_INC=`$XML2CONFIG --cflags`
1742 AC_MSG_RESULT($LIBXML2_INC)
1743 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1744 LIBXML2_LIBS="-lxml2"])
1746 AC_SUBST(LIBXML2_LIBS)
1747 AC_SUBST(LIBXML2_INC)
1749 dnl===-----------------------------------------------------------------------===
1751 dnl=== SECTION 6: Check for header files
1753 dnl===-----------------------------------------------------------------------===
1755 dnl First, use autoconf provided macros for specific headers that we need
1756 dnl We don't check for ancient stuff or things that are guaranteed to be there
1757 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1758 dnl Generally we're looking for POSIX headers.
1760 AC_HEADER_MMAP_ANONYMOUS
1766 dnl size_t must be defined before including cxxabi.h on FreeBSD 10.0.
1767 AC_CHECK_HEADERS([cxxabi.h], [], [],
1768 [#include <stddef.h>
1772 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
1773 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1774 AC_CHECK_HEADERS([utime.h])
1775 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1776 AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
1777 AC_CHECK_HEADERS([valgrind/valgrind.h])
1778 AC_CHECK_HEADERS([fenv.h])
1779 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1780 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1781 AC_CHECK_HEADERS(pthread.h,
1782 AC_SUBST(HAVE_PTHREAD, 1),
1783 AC_SUBST(HAVE_PTHREAD, 0))
1785 AC_SUBST(HAVE_PTHREAD, 0)
1787 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1788 AC_CHECK_HEADERS(zlib.h,
1789 AC_SUBST(HAVE_LIBZ, 1),
1790 AC_SUBST(HAVE_LIBZ, 0))
1792 AC_SUBST(HAVE_LIBZ, 0)
1795 dnl Try to find ffi.h.
1796 if test "$llvm_cv_enable_libffi" = "yes" ; then
1797 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1800 dnl Try to find Darwin specific crash reporting libraries.
1801 AC_CHECK_HEADERS([CrashReporterClient.h])
1803 dnl Try to find Darwin specific crash reporting global.
1804 AC_MSG_CHECKING([__crashreporter_info__])
1808 extern const char *__crashreporter_info__;
1810 __crashreporter_info__ = "test";
1816 AC_MSG_RESULT([yes])
1817 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1821 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1824 dnl===-----------------------------------------------------------------------===
1826 dnl=== SECTION 7: Check for types and structures
1828 dnl===-----------------------------------------------------------------------===
1833 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1835 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1836 AC_CHECK_TYPES([uint64_t],,
1837 AC_CHECK_TYPES([u_int64_t],,
1838 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1840 dnl===-----------------------------------------------------------------------===
1842 dnl=== SECTION 8: Check for specific functions needed
1844 dnl===-----------------------------------------------------------------------===
1846 AC_CHECK_FUNCS([backtrace getcwd ])
1847 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1848 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1849 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
1850 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1851 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1852 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1853 AC_CHECK_FUNCS([futimes futimens])
1857 dnl Check for arc4random accessible via AC_INCLUDES_DEFAULT.
1858 AC_CHECK_DECLS([arc4random])
1860 dnl Check the declaration "Secure API" on Windows environments.
1861 AC_CHECK_DECLS([strerror_s])
1863 dnl Check symbols in libgcc.a for JIT on Mingw.
1864 if test "$llvm_cv_os_type" = "MingW" ; then
1865 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1866 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1867 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1868 AC_CHECK_LIB(gcc,__chkstk_ms,AC_DEFINE([HAVE___CHKSTK_MS],[1],[Have host's __chkstk_ms]))
1869 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1870 AC_CHECK_LIB(gcc,___chkstk_ms,AC_DEFINE([HAVE____CHKSTK_MS],[1],[Have host's ___chkstk_ms]))
1872 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1873 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1874 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1875 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1876 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1877 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1878 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1879 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1880 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1881 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1883 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1884 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1887 dnl Check Win32 API EnumerateLoadedModules.
1888 if test "$llvm_cv_os_type" = "MingW" ; then
1889 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1893 #include <windows.h>
1894 #include <imagehlp.h>
1895 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1896 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1900 AC_MSG_RESULT([yes])
1901 llvm_cv_win32_elmcb_pcstr="PCSTR"
1905 llvm_cv_win32_elmcb_pcstr="PSTR"
1907 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1910 dnl Check for mmap support.We also need to know if /dev/zero is required to
1911 dnl be opened for allocating RWX memory.
1912 dnl Make sure we aren't attempting to configure for an unknown system
1913 if test "$llvm_cv_platform_type" = "Unix" ; then
1916 AC_NEED_DEV_ZERO_FOR_MMAP
1918 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1920 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1922 if test "$ac_cv_func_mmap_file" = "no"
1924 AC_MSG_WARN([mmap() of files required but not found])
1928 dnl atomic builtins are required for threading support.
1929 AC_MSG_CHECKING(for GCC atomic builtins)
1930 dnl Since we'll be using these atomic builtins in C++ files we should test
1931 dnl the C++ compiler.
1937 volatile unsigned long val = 1;
1938 __sync_synchronize();
1939 __sync_val_compare_and_swap(&val, 1, 0);
1940 __sync_add_and_fetch(&val, 1);
1941 __sync_sub_and_fetch(&val, 1);
1947 AC_MSG_RESULT([yes])
1948 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1952 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1953 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1957 dnl===-----------------------------------------------------------------------===
1959 dnl=== SECTION 9: Additional checks, variables, etc.
1961 dnl===-----------------------------------------------------------------------===
1963 dnl Handle 32-bit linux systems running a 64-bit kernel.
1964 dnl This has to come after section 4 because it invokes the compiler.
1965 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1967 if test "$llvm_cv_linux_mixed" = "yes"; then
1968 llvm_cv_target_arch="x86"
1973 dnl Check whether __dso_handle is present
1974 AC_CHECK_FUNCS([__dso_handle])
1976 dnl Propagate the shared library extension that the libltdl checks did to
1977 dnl the Makefiles so we can use it there too
1978 AC_SUBST(SHLIBEXT,$llvm_shlib_ext)
1980 dnl Translate the various configuration directories and other basic
1981 dnl information into substitutions that will end up in Makefile.config.in
1982 dnl that these configured values can be used by the makefiles
1983 if test "${prefix}" = "NONE" ; then
1986 eval LLVM_PREFIX="${prefix}";
1987 eval LLVM_BINDIR="${prefix}/bin";
1988 eval LLVM_DATADIR="${prefix}/share/llvm";
1989 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1990 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1991 eval LLVM_INCLUDEDIR="${prefix}/include";
1992 eval LLVM_INFODIR="${prefix}/info";
1993 eval LLVM_MANDIR="${prefix}/man";
1994 LLVM_CONFIGTIME=`date`
1995 AC_SUBST(LLVM_PREFIX)
1996 AC_SUBST(LLVM_BINDIR)
1997 AC_SUBST(LLVM_DATADIR)
1998 AC_SUBST(LLVM_DOCSDIR)
1999 AC_SUBST(LLVM_ETCDIR)
2000 AC_SUBST(LLVM_INCLUDEDIR)
2001 AC_SUBST(LLVM_INFODIR)
2002 AC_SUBST(LLVM_MANDIR)
2003 AC_SUBST(LLVM_CONFIGTIME)
2005 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
2006 if test "${ENABLE_TIMESTAMPS}" = "0"; then
2007 LLVM_CONFIGTIME="(timestamp not enabled)"
2010 dnl Place the various directories into the config.h file as #defines so that we
2011 dnl can know about the installation paths within LLVM.
2012 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
2013 [Installation prefix directory])
2014 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
2015 [Installation directory for binary executables])
2016 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
2017 [Installation directory for data files])
2018 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
2019 [Installation directory for documentation])
2020 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
2021 [Installation directory for config files])
2022 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
2023 [Installation directory for include files])
2024 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
2025 [Installation directory for .info files])
2026 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
2027 [Installation directory for man pages])
2028 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
2029 [Time at which LLVM was configured])
2030 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
2031 [Host triple LLVM will be executed on])
2032 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
2033 [Target triple LLVM will generate code for by default])
2035 dnl Determine which bindings to build.
2036 if test "$BINDINGS_TO_BUILD" = auto ; then
2037 BINDINGS_TO_BUILD=""
2038 if test "x$OCAMLFIND" != x ; then
2039 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
2041 if test "x$GO" != x ; then
2042 if $GO run ${srcdir}/bindings/go/conftest.go ; then
2043 BINDINGS_TO_BUILD="go $BINDINGS_TO_BUILD"
2047 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
2049 dnl Do any work necessary to ensure that bindings have what they need.
2050 binding_prereqs_failed=0
2051 for a_binding in $BINDINGS_TO_BUILD ; do
2052 case "$a_binding" in
2054 if test "x$OCAMLFIND" = x ; then
2055 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlfind not found. Try configure OCAMLFIND=/path/to/ocamlfind])
2056 binding_prereqs_failed=1
2059 if $OCAMLFIND opt -version >/dev/null 2>/dev/null ; then
2064 AC_SUBST(HAVE_OCAMLOPT)
2066 if ! $OCAMLFIND query ctypes >/dev/null 2>/dev/null; then
2067 AC_MSG_WARN([--enable-bindings=ocaml specified, but ctypes is not installed])
2068 binding_prereqs_failed=1
2071 if $OCAMLFIND query oUnit >/dev/null 2>/dev/null; then
2075 AC_MSG_WARN([--enable-bindings=ocaml specified, but OUnit 2 is not installed. Tests will not run])
2076 dnl oUnit is optional!
2078 AC_SUBST(HAVE_OCAML_OUNIT)
2080 if test "x$with_ocaml_libdir" != xauto ; then
2081 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
2083 ocaml_stdlib="`"$OCAMLFIND" ocamlc -where`"
2084 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
2086 # ocaml stdlib is beneath our prefix; use stdlib
2087 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
2089 # ocaml stdlib is outside our prefix; use libdir/ocaml
2090 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
2095 if test "x$GO" = x ; then
2096 AC_MSG_WARN([--enable-bindings=go specified, but go not found. Try configure GO=/path/to/go])
2097 binding_prereqs_failed=1
2099 if $GO run ${srcdir}/bindings/go/conftest.go ; then
2102 AC_MSG_WARN([--enable-bindings=go specified, but need at least Go 1.2. Try configure GO=/path/to/go])
2103 binding_prereqs_failed=1
2109 if test "$binding_prereqs_failed" = 1 ; then
2110 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
2113 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
2114 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
2116 dnl Determine linker rpath flag
2117 if test "$llvm_cv_link_use_r" = "yes" ; then
2124 dnl Determine linker rdynamic flag
2125 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
2126 RDYNAMIC="-rdynamic"
2132 dnl===-----------------------------------------------------------------------===
2134 dnl=== SECTION 10: Specify the output files and generate it
2136 dnl===-----------------------------------------------------------------------===
2138 dnl Configure header files
2139 dnl WARNING: dnl If you add or remove any of the following config headers, then
2140 dnl you MUST also update Makefile so that the variable FilesToConfig
2141 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
2142 dnl files can be updated automatically when their *.in sources change.
2143 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
2144 AH_TOP([#ifndef CONFIG_H
2148 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
2149 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
2150 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
2151 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
2152 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
2154 dnl Configure the makefile's configuration data
2155 AC_CONFIG_FILES([Makefile.config])
2157 dnl Configure the RPM spec file for LLVM
2158 AC_CONFIG_FILES([llvm.spec])
2160 dnl Configure doxygen's configuration file
2161 AC_CONFIG_FILES([docs/doxygen.cfg])
2163 dnl Configure clang, if present
2164 if test "${clang_src_root}" = ""; then
2165 clang_src_root="$srcdir/tools/clang"
2167 if test -f ${clang_src_root}/README.txt; then
2168 dnl Clang supports build systems which use the multilib libdir suffix.
2169 dnl The autoconf system doesn't support this so stub out that variable.
2170 AC_DEFINE_UNQUOTED(CLANG_LIBDIR_SUFFIX,"",
2171 [Multilib suffix for libdir.])
2173 dnl Use variables to stay under 80 columns.
2174 configh="include/clang/Config/config.h"
2175 doxy="docs/doxygen.cfg"
2176 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
2177 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
2180 dnl OCaml findlib META file
2181 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
2183 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
2184 test "x$program_prefix" = "xNONE" && program_prefix=""
2185 AC_SUBST([program_prefix])
2188 dnl Do special configuration of Makefiles
2189 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
2190 AC_CONFIG_MAKEFILE(Makefile)
2191 AC_CONFIG_MAKEFILE(Makefile.common)
2192 AC_CONFIG_MAKEFILE(examples/Makefile)
2193 AC_CONFIG_MAKEFILE(lib/Makefile)
2194 AC_CONFIG_MAKEFILE(test/Makefile)
2195 AC_CONFIG_MAKEFILE(test/Makefile.tests)
2196 AC_CONFIG_MAKEFILE(unittests/Makefile)
2197 AC_CONFIG_MAKEFILE(tools/Makefile)
2198 AC_CONFIG_MAKEFILE(utils/Makefile)
2199 AC_CONFIG_MAKEFILE(projects/Makefile)
2200 AC_CONFIG_MAKEFILE(bindings/Makefile)
2201 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
2203 dnl Finally, crank out the output