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,[[]])
705 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
708 dnl --enable-werror : check whether we want Werror on by default
709 AC_ARG_ENABLE(werror,AS_HELP_STRING(
710 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
712 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
713 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
714 default) AC_SUBST(ENABLE_WERROR,[0]);;
715 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
718 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
719 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
720 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
721 if test ${enableval} = "yes" ; then
722 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
723 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
725 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
726 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
729 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
730 AC_ARG_ENABLE(debug-runtime,
731 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
732 if test ${enableval} = "no" ; then
733 AC_SUBST(DEBUG_RUNTIME,[[]])
735 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
738 dnl --enable-debug-symbols : should even optimized compiler libraries
739 dnl have debug symbols?
740 AC_ARG_ENABLE(debug-symbols,
741 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)
742 if test ${enableval} = "no" ; then
743 AC_SUBST(DEBUG_SYMBOLS,[[]])
745 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
748 dnl --enable-keep-symbols : do not strip installed executables
749 AC_ARG_ENABLE(keep-symbols,
750 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
751 if test ${enableval} = "no" ; then
752 AC_SUBST(KEEP_SYMBOLS,[[]])
754 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
757 dnl --enable-jit: check whether they want to enable the jit
759 AS_HELP_STRING(--enable-jit,
760 [Enable Just In Time Compiling (default is YES)]),,
762 if test ${enableval} = "no"
766 case "$llvm_cv_target_arch" in
767 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
768 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
769 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
770 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
771 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
772 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
773 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
774 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
775 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
776 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
777 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
778 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
782 TARGETS_WITH_JIT="ARM AArch64 Mips PowerPC SystemZ X86"
783 AC_SUBST(TARGETS_WITH_JIT,$TARGETS_WITH_JIT)
785 dnl Allow enablement of building and installing docs
787 AS_HELP_STRING([--enable-docs],
788 [Build documents (default is YES)]),,
791 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
792 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
793 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
794 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
797 dnl Allow enablement of doxygen generated documentation
798 AC_ARG_ENABLE(doxygen,
799 AS_HELP_STRING([--enable-doxygen],
800 [Build doxygen documentation (default is NO)]),,
803 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
804 no|default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
805 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
808 dnl Allow enablement of doxygen search engine
809 AC_ARG_ENABLE(doxygen-search,
810 AS_HELP_STRING([--enable-doxygen-search],
811 [Enable doxygen search support (default is NO)]),,
813 ENABLE_DOXYGEN_SEARCH="$enableval"
817 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen-search. Use "yes" or "no"]) ;;
820 AC_ARG_ENABLE(doxygen-external-search,
821 AS_HELP_STRING([--enable-doxygen-external-search],
822 [Enable doxygen exteranl search (default is NO)]),,
824 ENABLE_DOXYGEN_EXTERNAL_SEARCH="$enableval"
828 dnl To match with the CMake behavior, enable doxygen when
829 dnl --enable-doxygen-external-search is enabled.
830 case "$ENABLE_DOXYGEN_SEARCH" in
831 yes|default) ENABLE_DOXYGEN_SEARCH="yes" ;;
832 no) AC_MSG_ERROR([The option --enable-doxygen-external-search requires --enable-doxygen-search]) ;;
836 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen-external-search. Use "yes" or "no"]) ;;
839 AC_ARG_WITH(doxygen-search-engine-url,
840 AS_HELP_STRING([--with-doxygen-search-engine-url],
841 [Specify the external search engine for doxygen]),,)
842 WITH_DOXYGEN_SEARCH_ENGINE_URL="$withval"
844 AC_ARG_WITH(doxygen-search-mappings,
845 AS_HELP_STRING([--with-doxygen-search-mappings],
846 [Specify the extra search mapping for doxygen]),,)
847 WITH_DOXYGEN_SEARCH_MAPPINGS="$withval"
849 case "$ENABLE_DOXYGEN_SEARCH" in
851 if test "$ENABLE_DOXYGEN" = "0" ; then
852 AC_MSG_ERROR([The option --enable-doxygen-search requires --enable-doxygen.])
855 AC_SUBST(enable_searchengine,[YES])
857 case "$ENABLE_DOXYGEN_EXTERNAL_SEARCH" in
859 AC_SUBST(enable_external_search,[YES])
860 AC_SUBST(enable_server_based_search,[YES])
861 AC_SUBST(searchengine_url,["$WITH_DOXYGEN_SEARCH_ENGINE_URL"])
862 AC_SUBST(extra_search_mappings,["$WITH_DOXYGEN_SEARCH_MAPPINGS"])
866 AC_SUBST(enable_external_search,[NO])
867 AC_SUBST(enable_server_based_search,[NO])
868 AC_SUBST(searchengine_url,[])
869 AC_SUBST(extra_search_mappings,[])
875 AC_SUBST(enable_searchengine,[NO])
876 AC_SUBST(searchengine_url,[])
877 AC_SUBST(enable_server_based_search,[NO])
878 AC_SUBST(enable_external_search,[NO])
879 AC_SUBST(extra_search_mappings,[])
883 AC_MSG_ERROR([Invalid setting for --enable-doxygen-search. Use "yes" or "no"])
887 dnl Allow enablement of doxygen generated Qt help files
888 AC_ARG_ENABLE(doxygen-qt-help,
889 AS_HELP_STRING([--enable-doxygen-qt-help],
890 [Build Qt help files (default is NO)]),,
894 if test "$ENABLE_DOXYGEN" = "0" ; then
895 AC_MSG_ERROR([The option --enable-doxygen-qt-help requires --enable-doxygen.])
898 AC_PATH_PROG(QHELPGENERATOR, [qhelpgenerator], [qhelpgenerator])
900 dnl Qt help file for llvm doxygen documentation
901 AC_SUBST(llvm_doxygen_generate_qhp,[YES])
902 AC_SUBST(llvm_doxygen_qch_filename,[org.llvm.qch])
903 AC_SUBST(llvm_doxygen_qhp_namespace,[org.llvm])
904 AC_SUBST(llvm_doxygen_qhelpgenerator_path,["$QHELPGENERATOR"])
905 AC_SUBST(llvm_doxygen_qhp_cust_filter_name,["$PACKAGE_STRING"])
906 AC_SUBST(llvm_doxygen_qhp_cust_filter_attrs,["$PACKAGE_NAME,$PACKAGE_VERSION"])
908 dnl Qt help file for clang doxygen documentation
909 AC_SUBST(clang_doxygen_generate_qhp,[YES])
910 AC_SUBST(clang_doxygen_qch_filename,[org.llvm.clang.qch])
911 AC_SUBST(clang_doxygen_qhp_namespace,[org.llvm.clang])
912 AC_SUBST(clang_doxygen_qhelpgenerator_path,["$QHELPGENERATOR"])
913 AC_SUBST(clang_doxygen_qhp_cust_filter_name,["Clang $PACKAGE_VERSION"])
914 AC_SUBST(clang_doxygen_qhp_cust_filter_attrs,["Clang,$PACKAGE_VERSION"])
918 AC_SUBST(llvm_doxygen_generate_qhp,[NO])
919 AC_SUBST(llvm_doxygen_qch_filename,[])
920 AC_SUBST(llvm_doxygen_qhp_namespace,[])
921 AC_SUBST(llvm_doxygen_qhelpgenerator_path,[])
922 AC_SUBST(llvm_doxygen_qhp_cust_filter_name,[])
923 AC_SUBST(llvm_doxygen_qhp_cust_filter_attrs,[])
925 AC_SUBST(clang_doxygen_generate_qhp,[NO])
926 AC_SUBST(clang_doxygen_qch_filename,[])
927 AC_SUBST(clang_doxygen_qhp_namespace,[])
928 AC_SUBST(clang_doxygen_qhelpgenerator_path,[])
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_MSG_ERROR([Invalid setting for --enable-doxygen-qt-help. Use "yes" or "no"]) ;;
937 dnl Allow disablement of threads
938 AC_ARG_ENABLE(threads,
939 AS_HELP_STRING([--enable-threads],
940 [Use threads if available (default is YES)]),,
943 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
944 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
945 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
946 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
948 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
949 [Define if threads enabled])
951 dnl Allow disablement of pthread.h
952 AC_ARG_ENABLE(pthreads,
953 AS_HELP_STRING([--enable-pthreads],
954 [Use pthreads if available (default is YES)]),,
957 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
958 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
959 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
960 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
963 dnl Allow disablement of zlib
965 AS_HELP_STRING([--enable-zlib],
966 [Use zlib for compression/decompression if
967 available (default is YES)]),,
970 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
971 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
972 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
973 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
975 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
976 [Define if zlib is enabled])
978 dnl Allow building without position independent code
980 AS_HELP_STRING([--enable-pic],
981 [Build LLVM with Position Independent Code (default is YES)]),,
984 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
985 no) AC_SUBST(ENABLE_PIC,[0]) ;;
986 default) AC_SUBST(ENABLE_PIC,[1]) ;;
987 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
989 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
990 [Define if position independent code is enabled])
992 dnl Allow building a shared library and linking tools against it.
993 AC_ARG_ENABLE(shared,
994 AS_HELP_STRING([--enable-shared],
995 [Build a shared library and link tools against it (default is NO)]),,
998 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
999 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
1000 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
1001 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
1004 dnl Allow libstdc++ is embedded in LLVM.dll.
1005 AC_ARG_ENABLE(embed-stdcxx,
1006 AS_HELP_STRING([--enable-embed-stdcxx],
1007 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
1009 case "$enableval" in
1010 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
1011 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
1012 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
1013 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
1016 dnl Enable embedding timestamp information into build.
1017 AC_ARG_ENABLE(timestamps,
1018 AS_HELP_STRING([--enable-timestamps],
1019 [Enable embedding timestamp information in build (default is YES)]),,
1021 case "$enableval" in
1022 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
1023 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
1024 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
1025 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
1027 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
1028 [Define if timestamp information (e.g., __DATE__) is allowed])
1030 dnl Enable support for showing backtraces.
1031 AC_ARG_ENABLE(backtraces, AS_HELP_STRING(
1032 [--enable-backtraces],
1033 [Enable embedding backtraces on crash (default is YES)]),
1034 [case "$enableval" in
1035 yes) llvm_cv_enable_backtraces="yes" ;;
1036 no) llvm_cv_enable_backtraces="no" ;;
1037 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
1039 llvm_cv_enable_backtraces="yes")
1040 if test "$llvm_cv_enable_backtraces" = "yes" ; then
1041 AC_DEFINE([ENABLE_BACKTRACES],[1],
1042 [Define if you want backtraces on crash])
1045 dnl Enable installing platform specific signal handling overrides, for improved
1046 dnl CrashRecovery support or interaction with crash reporting software. This
1047 dnl support may be inappropriate for some clients embedding LLVM as a library.
1048 AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING(
1049 [--enable-crash-overrides],
1050 [Enable crash handling overrides (default is YES)]),
1051 [case "$enableval" in
1052 yes) llvm_cv_enable_crash_overrides="yes" ;;
1053 no) llvm_cv_enable_crash_overrides="no" ;;
1054 *) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;;
1056 llvm_cv_enable_crash_overrides="yes")
1057 if test "$llvm_cv_enable_crash_overrides" = "yes" ; then
1058 AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1],
1059 [Define to enable crash handling overrides])
1062 dnl List all possible targets
1063 ALL_TARGETS="X86 Sparc PowerPC ARM AArch64 Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600"
1064 AC_SUBST(ALL_TARGETS,$ALL_TARGETS)
1066 dnl Allow specific targets to be specified for building (or not)
1068 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
1069 [Build specific host targets: all or target1,target2,... Valid targets are:
1070 host, x86, x86_64, sparc, powerpc, arm64, arm, aarch64, mips, hexagon,
1071 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
1073 if test "$enableval" = host-only ; then
1076 case "$enableval" in
1077 all) TARGETS_TO_BUILD="$ALL_TARGETS" ;;
1078 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
1080 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1081 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1082 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
1083 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
1084 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
1085 arm64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
1086 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
1087 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1088 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1089 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1090 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1091 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
1092 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
1093 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
1094 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
1095 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
1096 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
1097 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
1098 host) case "$llvm_cv_target_arch" in
1099 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1100 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1101 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
1102 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
1103 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
1104 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
1105 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1106 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
1107 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
1108 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
1109 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
1110 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
1111 *) AC_MSG_ERROR([Can not set target to build]) ;;
1113 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
1119 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
1120 [Build experimental host targets: disable or target1,target2,...
1121 (default=disable)]),,
1124 if test ${enableval} != "disable"
1126 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
1129 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
1131 dnl Determine whether we are building LLVM support for the native architecture.
1132 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
1133 for a_target in $TARGETS_TO_BUILD; do
1134 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
1135 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
1136 [LLVM architecture name for the native architecture, if available])
1137 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
1138 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
1139 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
1140 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
1141 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1142 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
1144 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1145 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
1147 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
1148 [LLVM name for the native Target init function, if available])
1149 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
1150 [LLVM name for the native TargetInfo init function, if available])
1151 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
1152 [LLVM name for the native target MC init function, if available])
1153 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
1154 [LLVM name for the native AsmPrinter init function, if available])
1155 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1156 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
1157 [LLVM name for the native AsmParser init function, if available])
1159 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1160 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
1161 [LLVM name for the native Disassembler init function, if available])
1166 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
1167 dnl target feature def files.
1168 LLVM_ENUM_TARGETS=""
1169 LLVM_ENUM_ASM_PRINTERS=""
1170 LLVM_ENUM_ASM_PARSERS=""
1171 LLVM_ENUM_DISASSEMBLERS=""
1172 for target_to_build in $TARGETS_TO_BUILD; do
1173 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
1174 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
1175 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
1177 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
1178 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
1180 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
1181 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
1184 AC_SUBST(LLVM_ENUM_TARGETS)
1185 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
1186 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
1187 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
1189 dnl Override the option to use for optimized builds.
1190 AC_ARG_WITH(optimize-option,
1191 AS_HELP_STRING([--with-optimize-option],
1192 [Select the compiler options to use for optimized builds]),,
1194 AC_MSG_CHECKING([optimization flags])
1197 case "$llvm_cv_os_type" in
1198 FreeBSD) optimize_option=-O2 ;;
1199 MingW) optimize_option=-O2 ;;
1200 *) optimize_option=-O3 ;;
1202 *) optimize_option="$withval" ;;
1204 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
1205 AC_MSG_RESULT([$optimize_option])
1207 dnl Specify extra build options
1208 AC_ARG_WITH(extra-options,
1209 AS_HELP_STRING([--with-extra-options],
1210 [Specify additional options to compile LLVM with]),,
1213 default) EXTRA_OPTIONS= ;;
1214 *) EXTRA_OPTIONS=$withval ;;
1216 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
1218 dnl Specify extra linker build options
1219 AC_ARG_WITH(extra-ld-options,
1220 AS_HELP_STRING([--with-extra-ld-options],
1221 [Specify additional options to link LLVM with]),,
1224 default) EXTRA_LD_OPTIONS= ;;
1225 *) EXTRA_LD_OPTIONS=$withval ;;
1227 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
1229 dnl Allow specific bindings to be specified for building (or not)
1230 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
1231 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
1233 BINDINGS_TO_BUILD=""
1234 case "$enableval" in
1235 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
1236 all ) BINDINGS_TO_BUILD="ocaml" ;;
1237 none | no) BINDINGS_TO_BUILD="" ;;
1238 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
1239 case "$a_binding" in
1240 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
1241 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
1247 dnl Allow the ocaml libdir to be overridden. This could go in a configure
1248 dnl script for bindings/ocaml/configure, except that its auto value depends on
1249 dnl OCAMLC, which is found here to support tests.
1250 AC_ARG_WITH([ocaml-libdir],
1251 [AS_HELP_STRING([--with-ocaml-libdir],
1252 [Specify install location for ocaml bindings (default is stdlib)])],
1256 auto) with_ocaml_libdir="$withval" ;;
1257 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
1258 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
1261 AC_ARG_WITH(clang-srcdir,
1262 AS_HELP_STRING([--with-clang-srcdir],
1263 [Directory to the out-of-tree Clang source]),,
1266 -) clang_src_root="" ;;
1267 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
1268 *) clang_src_root="$ac_pwd/$withval" ;;
1270 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1272 AC_ARG_WITH(clang-resource-dir,
1273 AS_HELP_STRING([--with-clang-resource-dir],
1274 [Relative directory from the Clang binary for resource files]),,
1276 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1277 [Relative directory for resource files])
1279 AC_ARG_WITH(c-include-dirs,
1280 AS_HELP_STRING([--with-c-include-dirs],
1281 [Colon separated list of directories clang will search for headers]),,
1283 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1284 [Directories clang will search for headers])
1286 # Clang normally uses the system c++ headers and libraries. With this option,
1287 # clang will use the ones provided by a gcc installation instead. This option should
1288 # be passed the same value that was used with --prefix when configuring gcc.
1289 AC_ARG_WITH(gcc-toolchain,
1290 AS_HELP_STRING([--with-gcc-toolchain],
1291 [Directory where gcc is installed.]),,
1293 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1294 [Directory where gcc is installed.])
1296 AC_ARG_WITH(default-sysroot,
1297 AS_HELP_STRING([--with-default-sysroot],
1298 [Add --sysroot=<path> to all compiler invocations.]),,
1300 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1301 [Default <path> to all compiler invocations for --sysroot=<path>.])
1303 dnl Allow linking of LLVM with GPLv3 binutils code.
1304 AC_ARG_WITH(binutils-include,
1305 AS_HELP_STRING([--with-binutils-include],
1306 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1309 default) WITH_BINUTILS_INCDIR=default ;;
1310 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1311 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1313 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1314 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1315 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1316 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1317 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1321 dnl Specify the URL where bug reports should be submitted.
1322 AC_ARG_WITH(bug-report-url,
1323 AS_HELP_STRING([--with-bug-report-url],
1324 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1325 withval="http://llvm.org/bugs/")
1326 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1329 dnl --enable-terminfo: check whether the user wants to control use of terminfo:
1330 AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
1331 [--enable-terminfo],
1332 [Query the terminfo database if available (default is YES)]),
1333 [case "$enableval" in
1334 yes) llvm_cv_enable_terminfo="yes" ;;
1335 no) llvm_cv_enable_terminfo="no" ;;
1336 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
1338 llvm_cv_enable_terminfo="yes")
1339 case "$llvm_cv_enable_terminfo" in
1340 yes) AC_SUBST(ENABLE_TERMINFO,[1]) ;;
1341 no) AC_SUBST(ENABLE_TERMINFO,[0]) ;;
1344 dnl --enable-libedit: check whether the user wants to turn off libedit.
1345 AC_ARG_ENABLE(libedit,AS_HELP_STRING(
1347 [Use libedit if available (default is YES)]),
1348 [case "$enableval" in
1349 yes) llvm_cv_enable_libedit="yes" ;;
1350 no) llvm_cv_enable_libedit="no" ;;
1351 *) AC_MSG_ERROR([Invalid setting for --enable-libedit. Use "yes" or "no"]) ;;
1353 llvm_cv_enable_libedit="yes")
1355 dnl --enable-libffi : check whether the user wants to turn off libffi:
1356 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1357 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1358 [case "$enableval" in
1359 yes) llvm_cv_enable_libffi="yes" ;;
1360 no) llvm_cv_enable_libffi="no" ;;
1361 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1363 llvm_cv_enable_libffi=no)
1365 AC_ARG_WITH(internal-prefix,
1366 AS_HELP_STRING([--with-internal-prefix],
1367 [Installation directory for internal files]),,
1369 AC_SUBST(INTERNAL_PREFIX,[$withval])
1371 dnl===-----------------------------------------------------------------------===
1373 dnl=== SECTION 4: Check for programs we need and that they are the right version
1375 dnl===-----------------------------------------------------------------------===
1377 dnl Check for the tools that the makefiles require
1380 AC_PATH_PROG(NM, [nm], [nm])
1381 AC_PATH_PROG(CMP, [cmp], [cmp])
1382 AC_PATH_PROG(CP, [cp], [cp])
1383 AC_PATH_PROG(DATE, [date], [date])
1384 AC_PATH_PROG(FIND, [find], [find])
1385 AC_PATH_PROG(GREP, [grep], [grep])
1386 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1387 AC_PATH_PROG(MV, [mv], [mv])
1389 AC_CHECK_TOOL(AR, ar, false)
1390 AC_PATH_PROG(RM, [rm], [rm])
1391 AC_PATH_PROG(SED, [sed], [sed])
1392 AC_PATH_PROG(TAR, [tar], [gtar])
1393 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1395 dnl Looking for misc. graph plotting software
1396 AC_PATH_PROG(DOT, [dot], [echo dot])
1397 if test "$DOT" != "echo dot" ; then
1398 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1399 dnl If we're targeting for mingw we should emit windows paths, not msys
1400 if test "$llvm_cv_os_type" = "MingW" ; then
1401 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1403 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1404 [Define to path to dot program if found or 'echo dot' otherwise])
1407 dnl Find the install program
1409 dnl Prepend src dir to install path dir if it's a relative path
1410 dnl This is a hack for installs that take place in something other
1411 dnl than the top level.
1413 [[\\/$]]* | ?:[[\\/]]* ) ;;
1414 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1417 dnl Checks for documentation and testing tools that we can do without. If these
1418 dnl are not found then they are set to "true" which always succeeds but does
1419 dnl nothing. This just lets the build output show that we could have done
1420 dnl something if the tool was available.
1421 AC_PATH_PROG(BZIP2, [bzip2])
1422 AC_PATH_PROG(CAT, [cat])
1423 AC_PATH_PROG(DOXYGEN, [doxygen])
1424 AC_PATH_PROG(GROFF, [groff])
1425 AC_PATH_PROG(GZIPBIN, [gzip])
1426 AC_PATH_PROG(PDFROFF, [pdfroff])
1427 AC_PATH_PROG(ZIP, [zip])
1428 AC_PATH_PROG(GO, [go])
1429 AC_PATH_PROGS(OCAMLFIND, [ocamlfind])
1430 AC_PATH_PROGS(GAS, [gas as])
1432 dnl Get the version of the linker in use.
1435 dnl Determine whether the linker supports the -R option.
1438 dnl Determine whether the compiler supports the -rdynamic option.
1439 AC_LINK_EXPORT_DYNAMIC
1441 dnl Determine whether the linker supports the --version-script option.
1442 AC_LINK_VERSION_SCRIPT
1444 AC_CHECK_HEADERS([errno.h])
1446 case "$llvm_cv_os_type" in
1447 Cygwin|MingW|Win32) llvm_shlib_ext=.dll ;;
1448 Darwin) llvm_shlib_ext=.dylib ;;
1449 *) llvm_shlib_ext=.so ;;
1452 AC_DEFINE_UNQUOTED([LTDL_SHLIB_EXT], ["$llvm_shlib_ext"], [The shared library extension])
1454 AC_MSG_CHECKING([tool compatibility])
1456 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1457 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1458 dnl to support those options.
1459 dnl "icc" emits gcc signatures
1460 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1472 if test "$GCC" != "yes" && test "$ICC" != "yes"
1474 AC_MSG_ERROR([gcc|icc required but not found])
1477 dnl Ensure that compilation tools are compatible with GCC extensions
1478 if test "$GXX" != "yes" && test "$IXX" != "yes"
1480 AC_MSG_ERROR([g++|clang++|icc required but not found])
1483 dnl Verify that GCC is version 3.0 or higher
1484 if test "$GCC" = "yes"
1489 #if !defined(__GNUC__) || __GNUC__ < 3
1490 #error Unsupported GCC version
1494 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1497 dnl Check for GNU Make. We use its extensions, so don't build without it
1498 if test -z "$llvm_cv_gnu_make_command"
1500 AC_MSG_ERROR([GNU Make required but not found])
1503 dnl Tool compatibility is okay if we make it here.
1506 dnl Check optional compiler flags.
1507 AC_MSG_CHECKING([optional compiler flags])
1508 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1509 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1510 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1512 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1513 dnl false positives, so disable it.
1515 NO_MAYBE_UNINITIALIZED=
1516 if test "$GXX" = "yes"
1518 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1519 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1520 dnl known to be uninitialized from cases which might be uninitialized. We
1521 dnl still want to catch the first kind of errors.
1522 if test -z "$NO_MAYBE_UNINITIALIZED"
1524 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1528 dnl Check for misbehaving -Wcomment (gcc-4.7 has this) and maybe add
1529 dnl -Wno-comment to the flags.
1531 llvm_cv_old_cxxflags="$CXXFLAGS"
1532 CXXFLAGS="$CXXFLAGS -Wcomment -Werror"
1535 AC_LANG_SOURCE([[// Comment \o\
1537 int main() { return 0; }
1541 no_comment=-Wno-comment
1544 AC_SUBST(NO_COMMENT, [$no_comment])
1545 CXXFLAGS="$llvm_cv_old_cxxflags"
1547 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED $NO_COMMENT])
1549 AC_ARG_WITH([python],
1550 [AS_HELP_STRING([--with-python], [path to python])],
1551 [PYTHON="$withval"])
1553 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1554 AC_MSG_CHECKING([for python])
1555 AC_MSG_RESULT([user defined: $with_python])
1557 if test -n "$PYTHON" ; then
1558 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1561 AC_PATH_PROG([PYTHON], [python python2 python27],
1562 [AC_MSG_RESULT([not found])
1563 AC_MSG_ERROR([could not find python 2.7 or higher])])
1566 AC_MSG_CHECKING([for python >= 2.7])
1567 ac_python_version=`$PYTHON -V 2>&1 | cut -d' ' -f2`
1568 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1569 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1570 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1571 if test "$ac_python_version_major" -gt "2" || \
1572 (test "$ac_python_version_major" -eq "2" && \
1573 test "$ac_python_version_minor" -ge "7") ; then
1574 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1576 AC_MSG_RESULT([not found])
1577 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.7])
1580 dnl===-----------------------------------------------------------------------===
1582 dnl=== SECTION 5: Check for libraries
1584 dnl===-----------------------------------------------------------------------===
1587 if test "$llvm_cv_os_type" = "MingW" ; then
1588 AC_CHECK_LIB(imagehlp, main)
1589 AC_CHECK_LIB(psapi, main)
1590 AC_CHECK_LIB(shell32, main)
1593 dnl dlopen() is required for plugin support.
1594 AC_SEARCH_LIBS(dlopen,dl,LLVM_DEFINE_SUBST([HAVE_DLOPEN],[1],
1595 [Define if dlopen() is available on this platform.]),
1596 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1598 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1599 dnl macros to detect whether clock_gettime is available, this just finds the
1600 dnl right libraries to link with.
1601 AC_SEARCH_LIBS(clock_gettime,rt)
1603 dnl The curses library is optional; used for querying terminal info
1604 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1605 dnl We need the has_color functionality in curses for it to be useful.
1606 AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw,
1607 LLVM_DEFINE_SUBST([HAVE_TERMINFO],[1],
1608 [Define if the setupterm() function is supported this platform.]))
1611 dnl The libedit library is optional; used by lib/LineEditor
1612 if test "$llvm_cv_enable_libedit" = "yes" ; then
1613 AC_SEARCH_LIBS(el_init,edit,
1614 AC_DEFINE([HAVE_LIBEDIT],[1],
1615 [Define if libedit is available on this platform.]))
1618 dnl libffi is optional; used to call external functions from the interpreter
1619 if test "$llvm_cv_enable_libffi" = "yes" ; then
1620 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1621 [Define if libffi is available on this platform.]),
1622 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1625 dnl mallinfo is optional; the code can compile (minus features) without it
1626 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1627 [Define if mallinfo() is available on this platform.]))
1629 dnl pthread locking functions are optional - but llvm will not be thread-safe
1631 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1632 AC_CHECK_LIB(pthread, pthread_mutex_init)
1633 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1634 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1635 [Have pthread_mutex_lock]))
1636 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1637 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1638 [Have pthread_rwlock_init]))
1639 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1640 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1641 [Have pthread_getspecific]))
1644 dnl zlib is optional; used for compression/uncompression
1645 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1646 AC_CHECK_LIB(z, compress2)
1649 dnl Allow OProfile support for JIT output.
1650 AC_ARG_WITH(oprofile,
1651 AS_HELP_STRING([--with-oprofile=<prefix>],
1652 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1654 AC_SUBST(USE_OPROFILE, [1])
1656 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1658 AC_SUBST(USE_OPROFILE, [0]) ;;
1659 *) llvm_cv_oppath="${withval}/lib/oprofile"
1660 CPPFLAGS="-I${withval}/include";;
1662 case $llvm_cv_os_type in
1664 if test -n "$llvm_cv_oppath" ; then
1665 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1666 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1667 dnl libbfd is not included properly in libopagent in some Debian
1668 dnl versions. If libbfd isn't found at all, we assume opagent works
1670 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1671 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1672 echo "Error! You need to have libopagent around."
1675 AC_CHECK_HEADER([opagent.h], [], [
1676 echo "Error! You need to have opagent.h around."
1681 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1685 AC_SUBST(USE_OPROFILE, [0])
1687 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1688 [Define if we have the oprofile JIT-support library])
1690 dnl Enable support for Intel JIT Events API.
1691 AC_ARG_WITH(intel-jitevents,
1692 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1695 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1696 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1697 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1700 case $llvm_cv_os_type in
1701 Linux|Win32|Cygwin|MingW) ;;
1702 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1705 case "$llvm_cv_target_arch" in
1707 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1711 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1713 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1714 [Define if we have the Intel JIT API runtime support library])
1716 dnl Check for libxml2
1717 dnl Right now we're just checking for the existence, we could also check for a
1718 dnl particular version via --version on xml2-config
1719 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1721 AC_MSG_CHECKING(for libxml2 includes)
1722 if test "x$XML2CONFIG" = "x"; then
1723 AC_MSG_RESULT(xml2-config not found)
1725 LIBXML2_INC=`$XML2CONFIG --cflags`
1726 AC_MSG_RESULT($LIBXML2_INC)
1727 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1728 LIBXML2_LIBS="-lxml2"])
1730 AC_SUBST(LIBXML2_LIBS)
1731 AC_SUBST(LIBXML2_INC)
1733 dnl===-----------------------------------------------------------------------===
1735 dnl=== SECTION 6: Check for header files
1737 dnl===-----------------------------------------------------------------------===
1739 dnl First, use autoconf provided macros for specific headers that we need
1740 dnl We don't check for ancient stuff or things that are guaranteed to be there
1741 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1742 dnl Generally we're looking for POSIX headers.
1744 AC_HEADER_MMAP_ANONYMOUS
1750 dnl size_t must be defined before including cxxabi.h on FreeBSD 10.0.
1751 AC_CHECK_HEADERS([cxxabi.h], [], [],
1752 [#include <stddef.h>
1756 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
1757 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1758 AC_CHECK_HEADERS([utime.h])
1759 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1760 AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
1761 AC_CHECK_HEADERS([valgrind/valgrind.h])
1762 AC_CHECK_HEADERS([fenv.h])
1763 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1764 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1765 AC_CHECK_HEADERS(pthread.h,
1766 AC_SUBST(HAVE_PTHREAD, 1),
1767 AC_SUBST(HAVE_PTHREAD, 0))
1769 AC_SUBST(HAVE_PTHREAD, 0)
1771 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1772 AC_CHECK_HEADERS(zlib.h,
1773 AC_SUBST(HAVE_LIBZ, 1),
1774 AC_SUBST(HAVE_LIBZ, 0))
1776 AC_SUBST(HAVE_LIBZ, 0)
1779 dnl Try to find ffi.h.
1780 if test "$llvm_cv_enable_libffi" = "yes" ; then
1781 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1784 dnl Try to find Darwin specific crash reporting libraries.
1785 AC_CHECK_HEADERS([CrashReporterClient.h])
1787 dnl Try to find Darwin specific crash reporting global.
1788 AC_MSG_CHECKING([__crashreporter_info__])
1792 extern const char *__crashreporter_info__;
1794 __crashreporter_info__ = "test";
1800 AC_MSG_RESULT([yes])
1801 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1805 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1808 dnl===-----------------------------------------------------------------------===
1810 dnl=== SECTION 7: Check for types and structures
1812 dnl===-----------------------------------------------------------------------===
1817 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1819 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1820 AC_CHECK_TYPES([uint64_t],,
1821 AC_CHECK_TYPES([u_int64_t],,
1822 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1824 dnl===-----------------------------------------------------------------------===
1826 dnl=== SECTION 8: Check for specific functions needed
1828 dnl===-----------------------------------------------------------------------===
1830 AC_CHECK_FUNCS([backtrace getcwd ])
1831 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1832 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1833 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
1834 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1835 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1836 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1837 AC_CHECK_FUNCS([futimes futimens])
1841 dnl Check for arc4random accessible via AC_INCLUDES_DEFAULT.
1842 AC_CHECK_DECLS([arc4random])
1844 dnl Check the declaration "Secure API" on Windows environments.
1845 AC_CHECK_DECLS([strerror_s])
1847 dnl Check symbols in libgcc.a for JIT on Mingw.
1848 if test "$llvm_cv_os_type" = "MingW" ; then
1849 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1850 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1851 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1852 AC_CHECK_LIB(gcc,__chkstk_ms,AC_DEFINE([HAVE___CHKSTK_MS],[1],[Have host's __chkstk_ms]))
1853 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1854 AC_CHECK_LIB(gcc,___chkstk_ms,AC_DEFINE([HAVE____CHKSTK_MS],[1],[Have host's ___chkstk_ms]))
1856 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1857 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1858 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1859 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1860 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1861 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1862 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1863 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1864 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1865 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1867 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1868 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1871 dnl Check Win32 API EnumerateLoadedModules.
1872 if test "$llvm_cv_os_type" = "MingW" ; then
1873 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1877 #include <windows.h>
1878 #include <imagehlp.h>
1879 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1880 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1884 AC_MSG_RESULT([yes])
1885 llvm_cv_win32_elmcb_pcstr="PCSTR"
1889 llvm_cv_win32_elmcb_pcstr="PSTR"
1891 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1894 dnl Check for mmap support.We also need to know if /dev/zero is required to
1895 dnl be opened for allocating RWX memory.
1896 dnl Make sure we aren't attempting to configure for an unknown system
1897 if test "$llvm_cv_platform_type" = "Unix" ; then
1900 AC_NEED_DEV_ZERO_FOR_MMAP
1902 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1904 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1906 if test "$ac_cv_func_mmap_file" = "no"
1908 AC_MSG_WARN([mmap() of files required but not found])
1912 dnl atomic builtins are required for threading support.
1913 AC_MSG_CHECKING(for GCC atomic builtins)
1914 dnl Since we'll be using these atomic builtins in C++ files we should test
1915 dnl the C++ compiler.
1921 volatile unsigned long val = 1;
1922 __sync_synchronize();
1923 __sync_val_compare_and_swap(&val, 1, 0);
1924 __sync_add_and_fetch(&val, 1);
1925 __sync_sub_and_fetch(&val, 1);
1931 AC_MSG_RESULT([yes])
1932 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1936 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1937 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1941 dnl===-----------------------------------------------------------------------===
1943 dnl=== SECTION 9: Additional checks, variables, etc.
1945 dnl===-----------------------------------------------------------------------===
1947 dnl Handle 32-bit linux systems running a 64-bit kernel.
1948 dnl This has to come after section 4 because it invokes the compiler.
1949 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1951 if test "$llvm_cv_linux_mixed" = "yes"; then
1952 llvm_cv_target_arch="x86"
1957 dnl Check whether __dso_handle is present
1958 AC_CHECK_FUNCS([__dso_handle])
1960 dnl Propagate the shared library extension that the libltdl checks did to
1961 dnl the Makefiles so we can use it there too
1962 AC_SUBST(SHLIBEXT,$llvm_shlib_ext)
1964 dnl Translate the various configuration directories and other basic
1965 dnl information into substitutions that will end up in Makefile.config.in
1966 dnl that these configured values can be used by the makefiles
1967 if test "${prefix}" = "NONE" ; then
1970 eval LLVM_PREFIX="${prefix}";
1971 eval LLVM_BINDIR="${prefix}/bin";
1972 eval LLVM_DATADIR="${prefix}/share/llvm";
1973 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1974 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1975 eval LLVM_INCLUDEDIR="${prefix}/include";
1976 eval LLVM_INFODIR="${prefix}/info";
1977 eval LLVM_MANDIR="${prefix}/man";
1978 LLVM_CONFIGTIME=`date`
1979 AC_SUBST(LLVM_PREFIX)
1980 AC_SUBST(LLVM_BINDIR)
1981 AC_SUBST(LLVM_DATADIR)
1982 AC_SUBST(LLVM_DOCSDIR)
1983 AC_SUBST(LLVM_ETCDIR)
1984 AC_SUBST(LLVM_INCLUDEDIR)
1985 AC_SUBST(LLVM_INFODIR)
1986 AC_SUBST(LLVM_MANDIR)
1987 AC_SUBST(LLVM_CONFIGTIME)
1989 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1990 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1991 LLVM_CONFIGTIME="(timestamp not enabled)"
1994 dnl Place the various directories into the config.h file as #defines so that we
1995 dnl can know about the installation paths within LLVM.
1996 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1997 [Installation prefix directory])
1998 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1999 [Installation directory for binary executables])
2000 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
2001 [Installation directory for data files])
2002 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
2003 [Installation directory for documentation])
2004 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
2005 [Installation directory for config files])
2006 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
2007 [Installation directory for include files])
2008 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
2009 [Installation directory for .info files])
2010 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
2011 [Installation directory for man pages])
2012 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
2013 [Time at which LLVM was configured])
2014 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
2015 [Host triple LLVM will be executed on])
2016 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
2017 [Target triple LLVM will generate code for by default])
2019 dnl Determine which bindings to build.
2020 if test "$BINDINGS_TO_BUILD" = auto ; then
2021 BINDINGS_TO_BUILD=""
2022 if test "x$OCAMLFIND" != x ; then
2023 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
2025 if test "x$GO" != x ; then
2026 if $GO run ${srcdir}/bindings/go/conftest.go ; then
2027 BINDINGS_TO_BUILD="go $BINDINGS_TO_BUILD"
2031 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
2033 dnl Do any work necessary to ensure that bindings have what they need.
2034 binding_prereqs_failed=0
2035 for a_binding in $BINDINGS_TO_BUILD ; do
2036 case "$a_binding" in
2038 if test "x$OCAMLFIND" = x ; then
2039 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlfind not found. Try configure OCAMLFIND=/path/to/ocamlfind])
2040 binding_prereqs_failed=1
2043 if $OCAMLFIND opt -version >/dev/null 2>/dev/null ; then
2048 AC_SUBST(HAVE_OCAMLOPT)
2050 if ! $OCAMLFIND query ctypes >/dev/null 2>/dev/null; then
2051 AC_MSG_WARN([--enable-bindings=ocaml specified, but ctypes is not installed])
2052 binding_prereqs_failed=1
2055 if $OCAMLFIND query oUnit >/dev/null 2>/dev/null; then
2059 AC_MSG_WARN([--enable-bindings=ocaml specified, but OUnit 2 is not installed. Tests will not run])
2060 dnl oUnit is optional!
2062 AC_SUBST(HAVE_OCAML_OUNIT)
2064 if test "x$with_ocaml_libdir" != xauto ; then
2065 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
2067 ocaml_stdlib="`"$OCAMLFIND" ocamlc -where`"
2068 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
2070 # ocaml stdlib is beneath our prefix; use stdlib
2071 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
2073 # ocaml stdlib is outside our prefix; use libdir/ocaml
2074 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
2079 if test "x$GO" = x ; then
2080 AC_MSG_WARN([--enable-bindings=go specified, but go not found. Try configure GO=/path/to/go])
2081 binding_prereqs_failed=1
2083 if $GO run ${srcdir}/bindings/go/conftest.go ; then
2086 AC_MSG_WARN([--enable-bindings=go specified, but need at least Go 1.2. Try configure GO=/path/to/go])
2087 binding_prereqs_failed=1
2093 if test "$binding_prereqs_failed" = 1 ; then
2094 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
2097 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
2098 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
2100 dnl Determine linker rpath flag
2101 if test "$llvm_cv_link_use_r" = "yes" ; then
2108 dnl Determine linker rdynamic flag
2109 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
2110 RDYNAMIC="-rdynamic"
2116 dnl===-----------------------------------------------------------------------===
2118 dnl=== SECTION 10: Specify the output files and generate it
2120 dnl===-----------------------------------------------------------------------===
2122 dnl Configure header files
2123 dnl WARNING: dnl If you add or remove any of the following config headers, then
2124 dnl you MUST also update Makefile so that the variable FilesToConfig
2125 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
2126 dnl files can be updated automatically when their *.in sources change.
2127 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
2128 AH_TOP([#ifndef CONFIG_H
2132 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
2133 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
2134 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
2135 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
2136 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
2138 dnl Configure the makefile's configuration data
2139 AC_CONFIG_FILES([Makefile.config])
2141 dnl Configure the RPM spec file for LLVM
2142 AC_CONFIG_FILES([llvm.spec])
2144 dnl Configure doxygen's configuration file
2145 AC_CONFIG_FILES([docs/doxygen.cfg])
2147 dnl Configure clang, if present
2148 if test "${clang_src_root}" = ""; then
2149 clang_src_root="$srcdir/tools/clang"
2151 if test -f ${clang_src_root}/README.txt; then
2152 dnl Clang supports build systems which use the multilib libdir suffix.
2153 dnl The autoconf system doesn't support this so stub out that variable.
2154 AC_DEFINE_UNQUOTED(CLANG_LIBDIR_SUFFIX,"",
2155 [Multilib suffix for libdir.])
2157 dnl Use variables to stay under 80 columns.
2158 configh="include/clang/Config/config.h"
2159 doxy="docs/doxygen.cfg"
2160 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
2161 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
2164 dnl OCaml findlib META file
2165 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
2167 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
2168 test "x$program_prefix" = "xNONE" && program_prefix=""
2169 AC_SUBST([program_prefix])
2172 dnl Do special configuration of Makefiles
2173 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
2174 AC_CONFIG_MAKEFILE(Makefile)
2175 AC_CONFIG_MAKEFILE(Makefile.common)
2176 AC_CONFIG_MAKEFILE(examples/Makefile)
2177 AC_CONFIG_MAKEFILE(lib/Makefile)
2178 AC_CONFIG_MAKEFILE(test/Makefile)
2179 AC_CONFIG_MAKEFILE(test/Makefile.tests)
2180 AC_CONFIG_MAKEFILE(unittests/Makefile)
2181 AC_CONFIG_MAKEFILE(tools/Makefile)
2182 AC_CONFIG_MAKEFILE(utils/Makefile)
2183 AC_CONFIG_MAKEFILE(projects/Makefile)
2184 AC_CONFIG_MAKEFILE(bindings/Makefile)
2185 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
2187 dnl Finally, crank out the output