1 dnl === configure.ac --------------------------------------------------------===
2 dnl The LLVM Compiler Infrastructure
4 dnl This file is distributed under the University of Illinois Open Source
5 dnl License. See LICENSE.TXT for details.
7 dnl===-----------------------------------------------------------------------===
8 dnl This is the LLVM configuration script. It is processed by the autoconf
9 dnl program to produce a script named configure. This script contains the
10 dnl configuration checks that LLVM needs in order to support multiple platforms.
11 dnl This file is composed of 10 sections per the recommended organization of
12 dnl autoconf input defined in the autoconf documentation. As this file evolves,
13 dnl please keep the various types of checks within their sections. The sections
16 dnl SECTION 1: Initialization & Setup
17 dnl SECTION 2: Architecture, target, and host checks
18 dnl SECTION 3: Command line arguments for the configure script.
19 dnl SECTION 4: Check for programs we need and that they are the right version
20 dnl SECTION 5: Check for libraries
21 dnl SECTION 6: Check for header files
22 dnl SECTION 7: Check for types and structures
23 dnl SECTION 8: Check for specific functions needed
24 dnl SECTION 9: Additional checks, variables, etc.
25 dnl SECTION 10: Specify the output files and generate it
27 dnl===-----------------------------------------------------------------------===
29 dnl=== SECTION 1: Initialization & Setup
31 dnl===-----------------------------------------------------------------------===
32 dnl Initialize autoconf and define the package name, version number and
33 dnl address for reporting bugs.
34 AC_INIT([LLVM],[3.4svn],[http://llvm.org/bugs/])
35 AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API])
36 AC_DEFINE([LLVM_VERSION_MINOR], [4], [Minor version of the LLVM API])
38 dnl Provide a copyright substitution and ensure the copyright notice is included
39 dnl in the output of --version option of the generated configure script.
40 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2013 University of Illinois at Urbana-Champaign."])
41 AC_COPYRIGHT([Copyright (c) 2003-2013 University of Illinois at Urbana-Champaign.])
43 dnl Indicate that we require autoconf 2.60 or later.
46 dnl Verify that the source directory is valid. This makes sure that we are
47 dnl configuring LLVM and not some other package (it validates --srcdir argument)
48 AC_CONFIG_SRCDIR([lib/IR/Module.cpp])
50 dnl Place all of the extra autoconf files into the config subdirectory. Tell
51 dnl various tools where the m4 autoconf macros are.
52 AC_CONFIG_AUX_DIR([autoconf])
54 dnl Quit if the source directory has already been configured.
55 dnl NOTE: This relies upon undocumented autoconf behavior.
56 if test ${srcdir} != "." ; then
57 if test -f ${srcdir}/include/llvm/Config/config.h ; then
58 AC_MSG_ERROR([Already configured in ${srcdir}])
62 dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS,
63 dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc).
67 dnl We need to check for the compiler up here to avoid anything else
68 dnl starting with a different one.
69 AC_PROG_CC(clang llvm-gcc gcc)
70 AC_PROG_CXX(clang++ llvm-g++ g++)
73 dnl If CXX is Clang, check that it can find and parse C++ standard library
75 if test "$CXX" = "clang++" ; then
76 AC_MSG_CHECKING([whether clang works])
78 dnl Note that space between 'include' and '(' is required. There's a broken
79 dnl regex in aclocal that otherwise will think that we call m4's include
81 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <limits>
82 #if __has_include (<cxxabi.h>)
85 #if __has_include (<unwind.h>)
94 AC_MSG_ERROR([Selected compiler could not find or parse C++ standard library headers. Rerun with CC=c-compiler CXX=c++-compiler ./configure ...])
99 dnl Configure all of the projects present in our source tree. While we could
100 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
101 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
102 dnl Instead we match on the known projects.
105 dnl One tricky part of doing this is that some projects depend upon other
106 dnl projects. For example, several projects rely upon the LLVM test suite.
107 dnl We want to configure those projects first so that their object trees are
108 dnl created before running the configure scripts of projects that depend upon
112 dnl Several projects use llvm-gcc, so configure that first
113 if test -d ${srcdir}/projects/llvm-gcc ; then
114 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
117 dnl Several projects use the LLVM test suite, so configure it next.
118 if test -d ${srcdir}/projects/test-suite ; then
119 AC_CONFIG_SUBDIRS([projects/test-suite])
122 dnl llvm-test is the old name of the test-suite, kept here for backwards
124 if test -d ${srcdir}/projects/llvm-test ; then
125 AC_CONFIG_SUBDIRS([projects/llvm-test])
128 dnl Some projects use poolalloc; configure that next
129 if test -d ${srcdir}/projects/poolalloc ; then
130 AC_CONFIG_SUBDIRS([projects/poolalloc])
133 if test -d ${srcdir}/projects/llvm-poolalloc ; then
134 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
137 dnl Check for all other projects
138 for i in `ls ${srcdir}/projects`
140 if test -d ${srcdir}/projects/${i} ; then
142 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
143 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
144 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
145 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
146 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
147 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
148 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
149 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
157 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
163 dnl Disable the build of polly, even if it is checked out into tools/polly.
165 AS_HELP_STRING([--enable-polly],
166 [Use polly if available (default is YES)]),,
169 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
170 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
171 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
172 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
176 dnl Check if polly is checked out into tools/polly and configure it if
178 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
179 AC_SUBST(LLVM_HAS_POLLY,1)
180 AC_CONFIG_SUBDIRS([tools/polly])
183 dnl===-----------------------------------------------------------------------===
185 dnl=== SECTION 2: Architecture, target, and host checks
187 dnl===-----------------------------------------------------------------------===
189 dnl Check the target for which we're compiling and the host that will do the
190 dnl compilations. This will tell us which LLVM compiler will be used for
191 dnl compiling SSA into object code. This needs to be done early because
192 dnl following tests depend on it.
195 dnl Determine the platform type and cache its value. This helps us configure
196 dnl the System library to the correct build platform.
197 AC_CACHE_CHECK([type of operating system we're going to host on],
201 llvm_cv_link_all_option="-Wl,--whole-archive"
202 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
203 llvm_cv_os_type="AIX"
204 llvm_cv_platform_type="Unix" ;;
206 llvm_cv_link_all_option="-Wl,--whole-archive"
207 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
208 llvm_cv_os_type="IRIX"
209 llvm_cv_platform_type="Unix" ;;
211 llvm_cv_link_all_option="-Wl,--whole-archive"
212 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
213 llvm_cv_os_type="Cygwin"
214 llvm_cv_platform_type="Unix" ;;
216 llvm_cv_link_all_option="-Wl,-all_load"
217 llvm_cv_no_link_all_option="-Wl,-noall_load"
218 llvm_cv_os_type="Darwin"
219 llvm_cv_platform_type="Unix" ;;
221 llvm_cv_link_all_option="-Wl,-all_load"
222 llvm_cv_no_link_all_option="-Wl,-noall_load"
223 llvm_cv_os_type="Minix"
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="FreeBSD"
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="GNU/kFreeBSD"
234 llvm_cv_platform_type="Unix" ;;
236 llvm_cv_link_all_option="-Wl,--whole-archive"
237 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
238 llvm_cv_os_type="OpenBSD"
239 llvm_cv_platform_type="Unix" ;;
241 llvm_cv_link_all_option="-Wl,--whole-archive"
242 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
243 llvm_cv_os_type="NetBSD"
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="DragonFly"
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="HP-UX"
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="Interix"
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="Linux"
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="GNU"
269 llvm_cv_platform_type="Unix" ;;
271 llvm_cv_link_all_option="-Wl,-z,allextract"
272 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
273 llvm_cv_os_type="SunOS"
274 llvm_cv_platform_type="Unix" ;;
276 llvm_cv_link_all_option="-Wl,-z,allextract"
277 llvm_cv_link_all_option="-Wl,-z,defaultextract"
278 llvm_cv_os_type="AuroraUX"
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="Win32"
284 llvm_cv_platform_type="Win32" ;;
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="MingW"
289 llvm_cv_platform_type="Win32" ;;
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="Haiku"
294 llvm_cv_platform_type="Unix" ;;
296 llvm_cv_link_all_option="-Wl,--whole-archive"
297 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
298 llvm_cv_os_type="Freestanding"
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="Freestanding"
304 llvm_cv_platform_type="Unix" ;;
306 llvm_cv_link_all_option=""
307 llvm_cv_no_link_all_option=""
308 llvm_cv_os_type="Unknown"
309 llvm_cv_platform_type="Unknown" ;;
312 AC_CACHE_CHECK([type of operating system we're going to target],
313 [llvm_cv_target_os_type],
316 llvm_cv_target_os_type="AIX" ;;
318 llvm_cv_target_os_type="IRIX" ;;
320 llvm_cv_target_os_type="Cygwin" ;;
322 llvm_cv_target_os_type="Darwin" ;;
324 llvm_cv_target_os_type="Minix" ;;
326 llvm_cv_target_os_type="FreeBSD" ;;
328 llvm_cv_target_os_type="GNU/kFreeBSD" ;;
330 llvm_cv_target_os_type="OpenBSD" ;;
332 llvm_cv_target_os_type="NetBSD" ;;
334 llvm_cv_target_os_type="DragonFly" ;;
336 llvm_cv_target_os_type="HP-UX" ;;
338 llvm_cv_target_os_type="Interix" ;;
340 llvm_cv_target_os_type="Linux" ;;
342 llvm_cv_target_os_type="GNU" ;;
344 llvm_cv_target_os_type="SunOS" ;;
346 llvm_cv_target_os_type="AuroraUX" ;;
348 llvm_cv_target_os_type="Win32" ;;
350 llvm_cv_target_os_type="MingW" ;;
352 llvm_cv_target_os_type="Haiku" ;;
354 llvm_cv_target_os_type="RTEMS" ;;
356 llvm_cv_target_os_type="NativeClient" ;;
358 llvm_cv_target_os_type="Freestanding" ;;
360 llvm_cv_target_os_type="Unknown" ;;
363 dnl Make sure we aren't attempting to configure for an unknown system
364 if test "$llvm_cv_os_type" = "Unknown" ; then
365 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
368 dnl Set the "OS" Makefile variable based on the platform type so the
369 dnl makefile can configure itself to specific build hosts
370 AC_SUBST(OS,$llvm_cv_os_type)
371 AC_SUBST(HOST_OS,$llvm_cv_os_type)
372 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
374 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
375 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
376 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
378 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
379 dnl This is used by lib/Support to determine the basic kind of implementation
381 case $llvm_cv_platform_type in
383 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
384 AC_SUBST(LLVM_ON_UNIX,[1])
385 AC_SUBST(LLVM_ON_WIN32,[0])
388 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
389 AC_SUBST(LLVM_ON_UNIX,[0])
390 AC_SUBST(LLVM_ON_WIN32,[1])
394 dnl Determine what our target architecture is and configure accordingly.
395 dnl This will allow Makefiles to make a distinction between the hardware and
397 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
399 i?86-*) llvm_cv_target_arch="x86" ;;
400 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
401 sparc*-*) llvm_cv_target_arch="Sparc" ;;
402 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
403 arm*-*) llvm_cv_target_arch="ARM" ;;
404 aarch64*-*) llvm_cv_target_arch="AArch64" ;;
405 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
406 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
407 xcore-*) llvm_cv_target_arch="XCore" ;;
408 msp430-*) llvm_cv_target_arch="MSP430" ;;
409 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
410 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
411 s390x-*) llvm_cv_target_arch="SystemZ" ;;
412 *) llvm_cv_target_arch="Unknown" ;;
415 if test "$llvm_cv_target_arch" = "Unknown" ; then
416 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
419 dnl Determine the LLVM native architecture for the target
420 case "$llvm_cv_target_arch" in
421 x86) LLVM_NATIVE_ARCH="X86" ;;
422 x86_64) LLVM_NATIVE_ARCH="X86" ;;
423 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
426 dnl Define a substitution, ARCH, for the target architecture
427 AC_SUBST(ARCH,$llvm_cv_target_arch)
429 dnl Determine what our host architecture.
430 dnl This will allow MCJIT regress tests runs only for supported
433 i?86-*) host_arch="x86" ;;
434 amd64-* | x86_64-*) host_arch="x86_64" ;;
435 sparc*-*) host_arch="Sparc" ;;
436 powerpc*-*) host_arch="PowerPC" ;;
437 arm*-*) host_arch="ARM" ;;
438 aarch64*-*) host_arch="AArch64" ;;
439 mips-* | mips64-*) host_arch="Mips" ;;
440 mipsel-* | mips64el-*) host_arch="Mips" ;;
441 xcore-*) host_arch="XCore" ;;
442 msp430-*) host_arch="MSP430" ;;
443 hexagon-*) host_arch="Hexagon" ;;
444 s390x-*) host_arch="SystemZ" ;;
445 *) host_arch="Unknown" ;;
448 if test "$host_arch" = "Unknown" ; then
449 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
452 AC_SUBST(HOST_ARCH,$host_arch)
454 dnl Check for the endianness of the target
455 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
457 dnl Check for build platform executable suffix if we're cross-compiling
458 if test "$cross_compiling" = yes; then
459 AC_SUBST(LLVM_CROSS_COMPILING, [1])
461 ac_build_prefix=${build_alias}-
462 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
463 if test -z "$BUILD_CXX"; then
464 AC_CHECK_PROG(BUILD_CXX, g++, g++)
465 if test -z "$BUILD_CXX"; then
466 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
470 AC_SUBST(LLVM_CROSS_COMPILING, [0])
473 dnl Check to see if there's a .svn or .git directory indicating that this
474 dnl build is being done from a checkout. This sets up several defaults for
475 dnl the command line switches. When we build with a checkout directory,
476 dnl we get a debug with assertions turned on. Without, we assume a source
477 dnl release and we get an optimized build without assertions.
478 dnl See --enable-optimized and --enable-assertions below
479 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
482 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
488 dnl===-----------------------------------------------------------------------===
490 dnl=== SECTION 3: Command line arguments for the configure script.
492 dnl===-----------------------------------------------------------------------===
494 dnl --enable-libcpp : check whether or not to use libc++ on the command line
495 AC_ARG_ENABLE(libcpp,
496 AS_HELP_STRING([--enable-libcpp],
497 [Use libc++ if available (default is NO)]),,
500 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
501 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
502 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
503 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
506 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
508 AS_HELP_STRING([--enable-cxx11],
509 [Use c++11 if available (default is NO)]),,
512 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
513 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
514 default) AC_SUBST(ENABLE_CXX11,[0]);;
515 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
518 dnl --enable-fission : check whether or not to use -gsplit-dwarf on the command
520 AC_ARG_ENABLE(split-dwarf,
521 AS_HELP_STRING([--enable-split-dwarf],
522 [Use split-dwarf if available (default is NO)]),,
525 yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;;
526 no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;;
527 default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);;
528 *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;;
531 dnl --enable-clang-arcmt: check whether to enable clang arcmt
533 AC_ARG_ENABLE(clang-arcmt,
534 AS_HELP_STRING([--enable-clang-arcmt],
535 [Enable building of clang ARCMT (default is YES)]),
536 clang_arcmt="$enableval",
539 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
540 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
541 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
542 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
545 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
546 clang_static_analyzer="yes"
547 AC_ARG_ENABLE(clang-static-analyzer,
548 AS_HELP_STRING([--enable-clang-static-analyzer],
549 [Enable building of clang Static Analyzer (default is YES)]),
550 clang_static_analyzer="$enableval",
553 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
554 no) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0]) ;;
555 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
556 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
559 dnl --enable-clang-rewriter: check whether to enable clang rewriter
560 AC_ARG_ENABLE(clang-rewriter,
561 AS_HELP_STRING([--enable-clang-rewriter],
562 [Enable building of clang rewriter (default is YES)]),,
565 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;;
567 if test ${clang_arcmt} != "no" ; then
568 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
570 if test ${clang_static_analyzer} != "no" ; then
571 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
573 AC_SUBST(ENABLE_CLANG_REWRITER,[0])
575 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
576 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
579 dnl --enable-optimized : check whether they want to do an optimized build:
580 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
581 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
582 if test ${enableval} = "no" ; then
583 AC_SUBST(ENABLE_OPTIMIZED,[[]])
585 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
588 dnl --enable-profiling : check whether they want to do a profile build:
589 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
590 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
591 if test ${enableval} = "no" ; then
592 AC_SUBST(ENABLE_PROFILING,[[]])
594 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
597 dnl --enable-assertions : check whether they want to turn on assertions or not:
598 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
599 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
600 if test ${enableval} = "yes" ; then
601 AC_SUBST(DISABLE_ASSERTIONS,[[]])
603 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
606 dnl --enable-werror : check whether we want Werror on by default
607 AC_ARG_ENABLE(werror,AS_HELP_STRING(
608 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
610 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
611 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
612 default) AC_SUBST(ENABLE_WERROR,[0]);;
613 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
616 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
617 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
618 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
619 if test ${enableval} = "yes" ; then
620 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
621 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
623 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
624 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
627 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
628 AC_ARG_ENABLE(debug-runtime,
629 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
630 if test ${enableval} = "no" ; then
631 AC_SUBST(DEBUG_RUNTIME,[[]])
633 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
636 dnl --enable-debug-symbols : should even optimized compiler libraries
637 dnl have debug symbols?
638 AC_ARG_ENABLE(debug-symbols,
639 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)
640 if test ${enableval} = "no" ; then
641 AC_SUBST(DEBUG_SYMBOLS,[[]])
643 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
646 dnl --enable-keep-symbols : do not strip installed executables
647 AC_ARG_ENABLE(keep-symbols,
648 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
649 if test ${enableval} = "no" ; then
650 AC_SUBST(KEEP_SYMBOLS,[[]])
652 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
655 dnl --enable-jit: check whether they want to enable the jit
657 AS_HELP_STRING(--enable-jit,
658 [Enable Just In Time Compiling (default is YES)]),,
660 if test ${enableval} = "no"
664 case "$llvm_cv_target_arch" in
665 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
666 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
667 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
668 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
669 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
670 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
671 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
672 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
673 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
674 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
675 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
676 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
677 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
681 dnl Allow enablement of building and installing docs
683 AS_HELP_STRING([--enable-docs],
684 [Build documents (default is YES)]),,
687 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
688 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
689 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
690 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
693 dnl Allow enablement of doxygen generated documentation
694 AC_ARG_ENABLE(doxygen,
695 AS_HELP_STRING([--enable-doxygen],
696 [Build doxygen documentation (default is NO)]),,
699 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
700 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
701 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
702 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
705 dnl Allow disablement of threads
706 AC_ARG_ENABLE(threads,
707 AS_HELP_STRING([--enable-threads],
708 [Use threads if available (default is YES)]),,
711 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
712 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
713 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
714 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
716 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
717 [Define if threads enabled])
719 dnl Allow disablement of pthread.h
720 AC_ARG_ENABLE(pthreads,
721 AS_HELP_STRING([--enable-pthreads],
722 [Use pthreads if available (default is YES)]),,
725 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
726 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
727 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
728 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
731 dnl Allow disablement of zlib
733 AS_HELP_STRING([--enable-zlib],
734 [Use zlib for compression/decompression if
735 available (default is YES)]),,
738 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
739 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
740 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
741 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
743 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
744 [Define if zlib is enabled])
746 dnl Allow building without position independent code
748 AS_HELP_STRING([--enable-pic],
749 [Build LLVM with Position Independent Code (default is YES)]),,
752 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
753 no) AC_SUBST(ENABLE_PIC,[0]) ;;
754 default) AC_SUBST(ENABLE_PIC,[1]) ;;
755 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
757 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
758 [Define if position independent code is enabled])
760 dnl Allow building a shared library and linking tools against it.
761 AC_ARG_ENABLE(shared,
762 AS_HELP_STRING([--enable-shared],
763 [Build a shared library and link tools against it (default is NO)]),,
766 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
767 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
768 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
769 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
772 dnl Allow libstdc++ is embedded in LLVM.dll.
773 AC_ARG_ENABLE(embed-stdcxx,
774 AS_HELP_STRING([--enable-embed-stdcxx],
775 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
778 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
779 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
780 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
781 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
784 dnl Enable embedding timestamp information into build.
785 AC_ARG_ENABLE(timestamps,
786 AS_HELP_STRING([--enable-timestamps],
787 [Enable embedding timestamp information in build (default is YES)]),,
790 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
791 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
792 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
793 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
795 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
796 [Define if timestamp information (e.g., __DATE__) is allowed])
798 dnl Enable embedding timestamp information into build.
800 AC_ARG_ENABLE(backtraces,
801 AS_HELP_STRING([--enable-backtraces],
802 [Enable embedding backtraces on crash (default is YES)]),,
805 yes) AC_SUBST(ENABLE_BACKTRACES,[1]) ;;
806 no) AC_SUBST(ENABLE_BACKTRACES,[0]) ;;
807 default) AC_SUBST(ENABLE_BACKTRACES,[1]) ;;
808 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
810 AC_DEFINE_UNQUOTED([ENABLE_BACKTRACES],$ENABLE_BACKTRACES,
811 [Define if you want backtraces on crash])
813 dnl Allow specific targets to be specified for building (or not)
815 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
816 [Build specific host targets: all or target1,target2,... Valid targets are:
817 host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon,
818 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
820 if test "$enableval" = host-only ; then
824 all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600" ;;
825 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
827 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
828 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
829 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
830 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
831 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
832 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
833 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
834 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
835 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
836 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
837 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
838 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
839 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
840 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
841 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
842 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
843 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
844 host) case "$llvm_cv_target_arch" in
845 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
846 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
847 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
848 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
849 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
850 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
851 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
852 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
853 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
854 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
855 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
856 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
857 *) AC_MSG_ERROR([Can not set target to build]) ;;
859 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
865 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
866 [Build experimental host targets: disable or target1,target2,...
867 (default=disable)]),,
870 if test ${enableval} != "disable"
872 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
875 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
877 dnl Determine whether we are building LLVM support for the native architecture.
878 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
879 for a_target in $TARGETS_TO_BUILD; do
880 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
881 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
882 [LLVM architecture name for the native architecture, if available])
883 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
884 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
885 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
886 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
887 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
888 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
890 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
891 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
893 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
894 [LLVM name for the native Target init function, if available])
895 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
896 [LLVM name for the native TargetInfo init function, if available])
897 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
898 [LLVM name for the native target MC init function, if available])
899 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
900 [LLVM name for the native AsmPrinter init function, if available])
901 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
902 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
903 [LLVM name for the native AsmParser init function, if available])
905 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
906 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
907 [LLVM name for the native Disassembler init function, if available])
912 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
913 dnl target feature def files.
915 LLVM_ENUM_ASM_PRINTERS=""
916 LLVM_ENUM_ASM_PARSERS=""
917 LLVM_ENUM_DISASSEMBLERS=""
918 for target_to_build in $TARGETS_TO_BUILD; do
919 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
920 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
921 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
923 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
924 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
926 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
927 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
930 AC_SUBST(LLVM_ENUM_TARGETS)
931 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
932 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
933 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
935 dnl Override the option to use for optimized builds.
936 AC_ARG_WITH(optimize-option,
937 AS_HELP_STRING([--with-optimize-option],
938 [Select the compiler options to use for optimized builds]),,
940 AC_MSG_CHECKING([optimization flags])
943 case "$llvm_cv_os_type" in
944 FreeBSD) optimize_option=-O2 ;;
945 MingW) optimize_option=-O2 ;;
946 *) optimize_option=-O3 ;;
948 *) optimize_option="$withval" ;;
950 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
951 AC_MSG_RESULT([$optimize_option])
953 dnl Specify extra build options
954 AC_ARG_WITH(extra-options,
955 AS_HELP_STRING([--with-extra-options],
956 [Specify additional options to compile LLVM with]),,
959 default) EXTRA_OPTIONS= ;;
960 *) EXTRA_OPTIONS=$withval ;;
962 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
964 dnl Specify extra linker build options
965 AC_ARG_WITH(extra-ld-options,
966 AS_HELP_STRING([--with-extra-ld-options],
967 [Specify additional options to link LLVM with]),,
970 default) EXTRA_LD_OPTIONS= ;;
971 *) EXTRA_LD_OPTIONS=$withval ;;
973 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
975 dnl Allow specific bindings to be specified for building (or not)
976 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
977 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
981 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
982 all ) BINDINGS_TO_BUILD="ocaml" ;;
983 none | no) BINDINGS_TO_BUILD="" ;;
984 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
986 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
987 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
993 dnl Allow the ocaml libdir to be overridden. This could go in a configure
994 dnl script for bindings/ocaml/configure, except that its auto value depends on
995 dnl OCAMLC, which is found here to support tests.
996 AC_ARG_WITH([ocaml-libdir],
997 [AS_HELP_STRING([--with-ocaml-libdir],
998 [Specify install location for ocaml bindings (default is stdlib)])],
1002 auto) with_ocaml_libdir="$withval" ;;
1003 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
1004 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
1007 AC_ARG_WITH(clang-srcdir,
1008 AS_HELP_STRING([--with-clang-srcdir],
1009 [Directory to the out-of-tree Clang source]),,
1012 -) clang_src_root="" ;;
1013 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
1014 *) clang_src_root="$ac_pwd/$withval" ;;
1016 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1018 AC_ARG_WITH(clang-resource-dir,
1019 AS_HELP_STRING([--with-clang-resource-dir],
1020 [Relative directory from the Clang binary for resource files]),,
1022 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1023 [Relative directory for resource files])
1025 AC_ARG_WITH(c-include-dirs,
1026 AS_HELP_STRING([--with-c-include-dirs],
1027 [Colon separated list of directories clang will search for headers]),,
1029 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1030 [Directories clang will search for headers])
1032 # Clang normally uses the system c++ headers and libraries. With this option,
1033 # clang will use the ones provided by a gcc installation instead. This option should
1034 # be passed the same value that was used with --prefix when configuring gcc.
1035 AC_ARG_WITH(gcc-toolchain,
1036 AS_HELP_STRING([--with-gcc-toolchain],
1037 [Directory where gcc is installed.]),,
1039 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1040 [Directory where gcc is installed.])
1042 AC_ARG_WITH(default-sysroot,
1043 AS_HELP_STRING([--with-default-sysroot],
1044 [Add --sysroot=<path> to all compiler invocations.]),,
1046 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1047 [Default <path> to all compiler invocations for --sysroot=<path>.])
1049 dnl Allow linking of LLVM with GPLv3 binutils code.
1050 AC_ARG_WITH(binutils-include,
1051 AS_HELP_STRING([--with-binutils-include],
1052 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1055 default) WITH_BINUTILS_INCDIR=default ;;
1056 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1057 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1059 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1060 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1061 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1062 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1063 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1067 dnl Specify the URL where bug reports should be submitted.
1068 AC_ARG_WITH(bug-report-url,
1069 AS_HELP_STRING([--with-bug-report-url],
1070 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1071 withval="http://llvm.org/bugs/")
1072 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1075 dnl --enable-terminfo: check whether the user wants to control use of terminfo:
1076 AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
1077 [--enable-terminfo],
1078 [Query the terminfo database if available (default is YES)]),
1079 [case "$enableval" in
1080 yes) llvm_cv_enable_terminfo="yes" ;;
1081 no) llvm_cv_enable_terminfo="no" ;;
1082 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
1084 llvm_cv_enable_terminfo="yes")
1086 dnl --enable-libffi : check whether the user wants to turn off libffi:
1087 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1088 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1089 [case "$enableval" in
1090 yes) llvm_cv_enable_libffi="yes" ;;
1091 no) llvm_cv_enable_libffi="no" ;;
1092 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1094 llvm_cv_enable_libffi=no)
1096 AC_ARG_WITH(internal-prefix,
1097 AS_HELP_STRING([--with-internal-prefix],
1098 [Installation directory for internal files]),,
1100 AC_SUBST(INTERNAL_PREFIX,[$withval])
1102 dnl===-----------------------------------------------------------------------===
1104 dnl=== SECTION 4: Check for programs we need and that they are the right version
1106 dnl===-----------------------------------------------------------------------===
1111 dnl Check for the tools that the makefiles require
1114 AC_PATH_PROG(CMP, [cmp], [cmp])
1115 AC_PATH_PROG(CP, [cp], [cp])
1116 AC_PATH_PROG(DATE, [date], [date])
1117 AC_PATH_PROG(FIND, [find], [find])
1118 AC_PATH_PROG(GREP, [grep], [grep])
1119 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1120 AC_PATH_PROG(MV, [mv], [mv])
1122 AC_CHECK_TOOL(AR, ar, false)
1123 AC_PATH_PROG(RM, [rm], [rm])
1124 AC_PATH_PROG(SED, [sed], [sed])
1125 AC_PATH_PROG(TAR, [tar], [gtar])
1126 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1128 dnl Looking for misc. graph plotting software
1129 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
1130 if test "$GRAPHVIZ" != "echo Graphviz" ; then
1131 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
1132 dnl If we're targeting for mingw we should emit windows paths, not msys
1133 if test "$llvm_cv_os_type" = "MingW" ; then
1134 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1136 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1137 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1139 AC_PATH_PROG(DOT, [dot], [echo dot])
1140 if test "$DOT" != "echo dot" ; then
1141 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1142 dnl If we're targeting for mingw we should emit windows paths, not msys
1143 if test "$llvm_cv_os_type" = "MingW" ; then
1144 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1146 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1147 [Define to path to dot program if found or 'echo dot' otherwise])
1149 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1150 if test "$FDP" != "echo fdp" ; then
1151 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1152 dnl If we're targeting for mingw we should emit windows paths, not msys
1153 if test "$llvm_cv_os_type" = "MingW" ; then
1154 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1156 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1157 [Define to path to fdp program if found or 'echo fdp' otherwise])
1159 AC_PATH_PROG(NEATO, [neato], [echo neato])
1160 if test "$NEATO" != "echo neato" ; then
1161 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1162 dnl If we're targeting for mingw we should emit windows paths, not msys
1163 if test "$llvm_cv_os_type" = "MingW" ; then
1164 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1166 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1167 [Define to path to neato program if found or 'echo neato' otherwise])
1169 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1170 if test "$TWOPI" != "echo twopi" ; then
1171 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1172 dnl If we're targeting for mingw we should emit windows paths, not msys
1173 if test "$llvm_cv_os_type" = "MingW" ; then
1174 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1176 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1177 [Define to path to twopi program if found or 'echo twopi' otherwise])
1179 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1180 if test "$CIRCO" != "echo circo" ; then
1181 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1182 dnl If we're targeting for mingw we should emit windows paths, not msys
1183 if test "$llvm_cv_os_type" = "MingW" ; then
1184 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1186 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1187 [Define to path to circo program if found or 'echo circo' otherwise])
1189 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1190 if test "$GV" != "echo gv" ; then
1191 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1192 dnl If we're targeting for mingw we should emit windows paths, not msys
1193 if test "$llvm_cv_os_type" = "MingW" ; then
1194 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1196 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1197 [Define to path to gv program if found or 'echo gv' otherwise])
1199 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1200 if test "$DOTTY" != "echo dotty" ; then
1201 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1202 dnl If we're targeting for mingw we should emit windows paths, not msys
1203 if test "$llvm_cv_os_type" = "MingW" ; then
1204 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1206 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1207 [Define to path to dotty program if found or 'echo dotty' otherwise])
1209 AC_PATH_PROGS(XDOT, [xdot xdot.py], [echo xdot])
1210 if test "$XDOT" != "echo xdot" ; then
1211 AC_DEFINE([HAVE_XDOT],[1],[Define if the xdot program is available])
1212 dnl If we're targeting for mingw we should emit windows paths, not msys
1213 if test "$llvm_cv_os_type" = "MingW" ; then
1214 XDOT=`echo $XDOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1216 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT],"$XDOT${EXEEXT}",
1217 [Define to path to xdot program if found or 'echo xdot' otherwise])
1220 dnl Find the install program
1222 dnl Prepend src dir to install path dir if it's a relative path
1223 dnl This is a hack for installs that take place in something other
1224 dnl than the top level.
1226 [[\\/$]]* | ?:[[\\/]]* ) ;;
1227 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1230 dnl Checks for documentation and testing tools that we can do without. If these
1231 dnl are not found then they are set to "true" which always succeeds but does
1232 dnl nothing. This just lets the build output show that we could have done
1233 dnl something if the tool was available.
1234 AC_PATH_PROG(BZIP2, [bzip2])
1235 AC_PATH_PROG(CAT, [cat])
1236 AC_PATH_PROG(DOXYGEN, [doxygen])
1237 AC_PATH_PROG(GROFF, [groff])
1238 AC_PATH_PROG(GZIPBIN, [gzip])
1239 AC_PATH_PROG(PDFROFF, [pdfroff])
1240 AC_PATH_PROG(ZIP, [zip])
1241 AC_PATH_PROGS(OCAMLC, [ocamlc])
1242 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1243 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1244 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1245 AC_PATH_PROGS(GAS, [gas as])
1247 dnl Get the version of the linker in use.
1250 dnl Determine whether the linker supports the -R option.
1253 dnl Determine whether the compiler supports the -rdynamic option.
1254 AC_LINK_EXPORT_DYNAMIC
1256 dnl Determine whether the linker supports the --version-script option.
1257 AC_LINK_VERSION_SCRIPT
1259 dnl Check for libtool and the library that has dlopen function (which must come
1260 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1265 AC_MSG_CHECKING([tool compatibility])
1267 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1268 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1269 dnl to support those options.
1270 dnl "icc" emits gcc signatures
1271 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1283 if test "$GCC" != "yes" && test "$ICC" != "yes"
1285 AC_MSG_ERROR([gcc|icc required but not found])
1288 dnl Ensure that compilation tools are compatible with GCC extensions
1289 if test "$GXX" != "yes" && test "$IXX" != "yes"
1291 AC_MSG_ERROR([g++|clang++|icc required but not found])
1294 dnl Verify that GCC is version 3.0 or higher
1295 if test "$GCC" = "yes"
1300 #if !defined(__GNUC__) || __GNUC__ < 3
1301 #error Unsupported GCC version
1305 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1308 dnl Check for GNU Make. We use its extensions, so don't build without it
1309 if test -z "$llvm_cv_gnu_make_command"
1311 AC_MSG_ERROR([GNU Make required but not found])
1314 dnl Tool compatibility is okay if we make it here.
1317 dnl Check optional compiler flags.
1318 AC_MSG_CHECKING([optional compiler flags])
1319 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1320 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1321 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1323 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1324 dnl false positives, so disable it.
1326 NO_MAYBE_UNINITIALIZED=
1327 if test "$GXX" = "yes"
1329 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1330 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1331 dnl known to be uninitialized from cases which might be uninitialized. We
1332 dnl still want to catch the first kind of errors.
1333 if test -z "$NO_MAYBE_UNINITIALIZED"
1335 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1338 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
1340 AC_ARG_WITH([python],
1341 [AS_HELP_STRING([--with-python], [path to python])],
1342 [PYTHON="$withval"])
1344 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1345 AC_MSG_CHECKING([for python])
1346 AC_MSG_RESULT([user defined: $with_python])
1348 if test -n "$PYTHON" ; then
1349 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1352 AC_PATH_PROG([PYTHON], [python python2 python26],
1353 [AC_MSG_RESULT([not found])
1354 AC_MSG_ERROR([could not find python 2.5 or higher])])
1357 AC_MSG_CHECKING([for python >= 2.5])
1358 ac_python_version=`$PYTHON -c 'import sys; print sys.version.split()[[0]]'`
1359 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1360 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1361 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1362 if test "$ac_python_version_major" -eq "2" \
1363 && test "$ac_python_version_minor" -ge "5" ; then
1364 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1366 AC_MSG_RESULT([not found])
1367 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5])
1370 dnl===-----------------------------------------------------------------------===
1372 dnl=== SECTION 5: Check for libraries
1374 dnl===-----------------------------------------------------------------------===
1377 if test "$llvm_cv_os_type" = "MingW" ; then
1378 AC_CHECK_LIB(imagehlp, main)
1379 AC_CHECK_LIB(psapi, main)
1382 dnl dlopen() is required for plugin support.
1383 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1384 [Define if dlopen() is available on this platform.]),
1385 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1387 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1388 dnl macros to detect whether clock_gettime is available, this just finds the
1389 dnl right libraries to link with.
1390 AC_SEARCH_LIBS(clock_gettime,rt)
1392 dnl The curses library is optional; used for querying terminal info
1393 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1394 dnl We need the has_color functionality in curses for it to be useful.
1395 AC_SEARCH_LIBS(setupterm,tinfo curses ncurses ncursesw,
1396 AC_DEFINE([HAVE_TERMINFO],[1],
1397 [Define if the setupterm() function is supported this platform.]))
1400 dnl libffi is optional; used to call external functions from the interpreter
1401 if test "$llvm_cv_enable_libffi" = "yes" ; then
1402 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1403 [Define if libffi is available on this platform.]),
1404 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1407 dnl mallinfo is optional; the code can compile (minus features) without it
1408 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1409 [Define if mallinfo() is available on this platform.]))
1411 dnl pthread locking functions are optional - but llvm will not be thread-safe
1413 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1414 AC_CHECK_LIB(pthread, pthread_mutex_init)
1415 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1416 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1417 [Have pthread_mutex_lock]))
1418 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1419 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1420 [Have pthread_rwlock_init]))
1421 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1422 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1423 [Have pthread_getspecific]))
1426 dnl zlib is optional; used for compression/uncompression
1427 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1428 AC_CHECK_LIB(z, compress2)
1431 dnl Allow extra x86-disassembler library
1433 AS_HELP_STRING([--with-udis86=<path>],
1434 [Use udis86 external x86 disassembler library]),
1436 AC_SUBST(USE_UDIS86, [1])
1439 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1441 AC_CHECK_LIB(udis86, ud_init, [], [
1442 echo "Error! You need to have libudis86 around."
1446 AC_SUBST(USE_UDIS86, [0]))
1447 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1448 [Define if use udis86 library])
1450 dnl Allow OProfile support for JIT output.
1451 AC_ARG_WITH(oprofile,
1452 AS_HELP_STRING([--with-oprofile=<prefix>],
1453 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1455 AC_SUBST(USE_OPROFILE, [1])
1457 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1459 AC_SUBST(USE_OPROFILE, [0]) ;;
1460 *) llvm_cv_oppath="${withval}/lib/oprofile"
1461 CPPFLAGS="-I${withval}/include";;
1463 case $llvm_cv_os_type in
1465 if test -n "$llvm_cv_oppath" ; then
1466 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1467 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1468 dnl libbfd is not included properly in libopagent in some Debian
1469 dnl versions. If libbfd isn't found at all, we assume opagent works
1471 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1472 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1473 echo "Error! You need to have libopagent around."
1476 AC_CHECK_HEADER([opagent.h], [], [
1477 echo "Error! You need to have opagent.h around."
1482 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1486 AC_SUBST(USE_OPROFILE, [0])
1488 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1489 [Define if we have the oprofile JIT-support library])
1491 dnl Enable support for Intel JIT Events API.
1492 AC_ARG_WITH(intel-jitevents,
1493 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1496 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1497 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1498 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1501 case $llvm_cv_os_type in
1502 Linux|Win32|Cygwin|MingW) ;;
1503 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1506 case "$llvm_cv_target_arch" in
1508 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1512 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1514 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1515 [Define if we have the Intel JIT API runtime support library])
1517 dnl Check for libxml2
1518 dnl Right now we're just checking for the existence, we could also check for a
1519 dnl particular version via --version on xml2-config
1520 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1522 AC_MSG_CHECKING(for libxml2 includes)
1523 if test "x$XML2CONFIG" = "x"; then
1524 AC_MSG_RESULT(xml2-config not found)
1526 LIBXML2_INC=`$XML2CONFIG --cflags`
1527 AC_MSG_RESULT($LIBXML2_INC)
1528 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1529 LIBXML2_LIBS="-lxml2"])
1531 AC_SUBST(LIBXML2_LIBS)
1532 AC_SUBST(LIBXML2_INC)
1534 dnl===-----------------------------------------------------------------------===
1536 dnl=== SECTION 6: Check for header files
1538 dnl===-----------------------------------------------------------------------===
1540 dnl First, use autoconf provided macros for specific headers that we need
1541 dnl We don't check for ancient stuff or things that are guaranteed to be there
1542 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1543 dnl Generally we're looking for POSIX headers.
1545 AC_HEADER_MMAP_ANONYMOUS
1551 AC_CHECK_HEADERS([cxxabi.h])
1553 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
1554 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1555 AC_CHECK_HEADERS([utime.h])
1556 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1557 AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
1558 AC_CHECK_HEADERS([valgrind/valgrind.h])
1559 AC_CHECK_HEADERS([fenv.h])
1560 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1561 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1562 AC_CHECK_HEADERS(pthread.h,
1563 AC_SUBST(HAVE_PTHREAD, 1),
1564 AC_SUBST(HAVE_PTHREAD, 0))
1566 AC_SUBST(HAVE_PTHREAD, 0)
1568 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1569 AC_CHECK_HEADERS(zlib.h,
1570 AC_SUBST(HAVE_LIBZ, 1),
1571 AC_SUBST(HAVE_LIBZ, 0))
1573 AC_SUBST(HAVE_LIBZ, 0)
1576 dnl Try to find a suitable curses header.
1577 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1578 AC_CHECK_HEADERS([term.h curses.h ncurses.h ncursesw.h ncurses/curses.h ncursesw/curses.h])
1581 dnl Try to find ffi.h.
1582 if test "$llvm_cv_enable_libffi" = "yes" ; then
1583 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1586 dnl Try to find Darwin specific crash reporting libraries.
1587 AC_CHECK_HEADERS([CrashReporterClient.h])
1589 dnl Try to find Darwin specific crash reporting global.
1590 AC_MSG_CHECKING([__crashreporter_info__])
1594 extern const char *__crashreporter_info__;
1596 __crashreporter_info__ = "test";
1602 AC_MSG_RESULT([yes])
1603 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1607 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1610 dnl===-----------------------------------------------------------------------===
1612 dnl=== SECTION 7: Check for types and structures
1614 dnl===-----------------------------------------------------------------------===
1619 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1621 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1622 AC_CHECK_TYPES([uint64_t],,
1623 AC_CHECK_TYPES([u_int64_t],,
1624 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1626 dnl===-----------------------------------------------------------------------===
1628 dnl=== SECTION 8: Check for specific functions needed
1630 dnl===-----------------------------------------------------------------------===
1632 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1633 AC_CHECK_FUNCS([powf fmodf strtof round ])
1634 AC_CHECK_FUNCS([log log2 log10 exp exp2])
1635 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1636 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1637 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
1638 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1639 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1640 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1641 AC_CHECK_FUNCS([futimes futimens])
1645 dnl Check the declaration "Secure API" on Windows environments.
1646 AC_CHECK_DECLS([strerror_s])
1648 dnl Check symbols in libgcc.a for JIT on Mingw.
1649 if test "$llvm_cv_os_type" = "MingW" ; then
1650 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1651 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1652 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1653 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1655 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1656 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1657 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1658 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1659 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1660 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1661 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1662 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1663 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1664 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1666 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1667 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1670 dnl Check Win32 API EnumerateLoadedModules.
1671 if test "$llvm_cv_os_type" = "MingW" ; then
1672 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1676 #include <windows.h>
1677 #include <imagehlp.h>
1678 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1679 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1683 AC_MSG_RESULT([yes])
1684 llvm_cv_win32_elmcb_pcstr="PCSTR"
1688 llvm_cv_win32_elmcb_pcstr="PSTR"
1690 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1693 dnl Check for variations in the Standard C++ library and STL. These macros are
1694 dnl provided by LLVM in the autoconf/m4 directory.
1698 dnl Check for mmap support.We also need to know if /dev/zero is required to
1699 dnl be opened for allocating RWX memory.
1700 dnl Make sure we aren't attempting to configure for an unknown system
1701 if test "$llvm_cv_platform_type" = "Unix" ; then
1704 AC_NEED_DEV_ZERO_FOR_MMAP
1706 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1708 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1710 if test "$ac_cv_func_mmap_file" = "no"
1712 AC_MSG_WARN([mmap() of files required but not found])
1716 dnl atomic builtins are required for threading support.
1717 AC_MSG_CHECKING(for GCC atomic builtins)
1718 dnl Since we'll be using these atomic builtins in C++ files we should test
1719 dnl the C++ compiler.
1725 volatile unsigned long val = 1;
1726 __sync_synchronize();
1727 __sync_val_compare_and_swap(&val, 1, 0);
1728 __sync_add_and_fetch(&val, 1);
1729 __sync_sub_and_fetch(&val, 1);
1735 AC_MSG_RESULT([yes])
1736 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1740 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1741 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1745 dnl===-----------------------------------------------------------------------===
1747 dnl=== SECTION 9: Additional checks, variables, etc.
1749 dnl===-----------------------------------------------------------------------===
1751 dnl Handle 32-bit linux systems running a 64-bit kernel.
1752 dnl This has to come after section 4 because it invokes the compiler.
1753 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1755 if test "$llvm_cv_linux_mixed" = "yes"; then
1756 llvm_cv_target_arch="x86"
1761 dnl Check whether __dso_handle is present
1762 AC_CHECK_FUNCS([__dso_handle])
1764 dnl Propagate the shared library extension that the libltdl checks did to
1765 dnl the Makefiles so we can use it there too
1766 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1768 dnl Propagate the run-time library path variable that the libltdl
1769 dnl checks found to the Makefiles so we can use it there too
1770 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1772 dnl Translate the various configuration directories and other basic
1773 dnl information into substitutions that will end up in Makefile.config.in
1774 dnl that these configured values can be used by the makefiles
1775 if test "${prefix}" = "NONE" ; then
1778 eval LLVM_PREFIX="${prefix}";
1779 eval LLVM_BINDIR="${prefix}/bin";
1780 eval LLVM_DATADIR="${prefix}/share/llvm";
1781 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1782 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1783 eval LLVM_INCLUDEDIR="${prefix}/include";
1784 eval LLVM_INFODIR="${prefix}/info";
1785 eval LLVM_MANDIR="${prefix}/man";
1786 LLVM_CONFIGTIME=`date`
1787 AC_SUBST(LLVM_PREFIX)
1788 AC_SUBST(LLVM_BINDIR)
1789 AC_SUBST(LLVM_DATADIR)
1790 AC_SUBST(LLVM_DOCSDIR)
1791 AC_SUBST(LLVM_ETCDIR)
1792 AC_SUBST(LLVM_INCLUDEDIR)
1793 AC_SUBST(LLVM_INFODIR)
1794 AC_SUBST(LLVM_MANDIR)
1795 AC_SUBST(LLVM_CONFIGTIME)
1797 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1798 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1799 LLVM_CONFIGTIME="(timestamp not enabled)"
1802 dnl Place the various directories into the config.h file as #defines so that we
1803 dnl can know about the installation paths within LLVM.
1804 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1805 [Installation prefix directory])
1806 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1807 [Installation directory for binary executables])
1808 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1809 [Installation directory for data files])
1810 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1811 [Installation directory for documentation])
1812 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1813 [Installation directory for config files])
1814 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1815 [Installation directory for include files])
1816 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1817 [Installation directory for .info files])
1818 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1819 [Installation directory for man pages])
1820 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1821 [Time at which LLVM was configured])
1822 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
1823 [Host triple LLVM will be executed on])
1824 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1825 [Target triple LLVM will generate code for by default])
1827 dnl Determine which bindings to build.
1828 if test "$BINDINGS_TO_BUILD" = auto ; then
1829 BINDINGS_TO_BUILD=""
1830 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1831 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1834 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1836 dnl This isn't really configurey, but it avoids having to repeat the list in
1838 AC_SUBST(ALL_BINDINGS,ocaml)
1840 dnl Do any work necessary to ensure that bindings have what they need.
1841 binding_prereqs_failed=0
1842 for a_binding in $BINDINGS_TO_BUILD ; do
1843 case "$a_binding" in
1845 if test "x$OCAMLC" = x ; then
1846 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1847 binding_prereqs_failed=1
1849 if test "x$OCAMLDEP" = x ; then
1850 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1851 binding_prereqs_failed=1
1853 if test "x$OCAMLOPT" = x ; then
1854 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1855 dnl ocamlopt is optional!
1857 if test "x$with_ocaml_libdir" != xauto ; then
1858 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1860 ocaml_stdlib="`"$OCAMLC" -where`"
1861 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1863 # ocaml stdlib is beneath our prefix; use stdlib
1864 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1866 # ocaml stdlib is outside our prefix; use libdir/ocaml
1867 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
1873 if test "$binding_prereqs_failed" = 1 ; then
1874 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1877 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1878 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1880 dnl Determine linker rpath flag
1881 if test "$llvm_cv_link_use_r" = "yes" ; then
1888 dnl Determine linker rdynamic flag
1889 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1890 RDYNAMIC="-rdynamic"
1896 dnl===-----------------------------------------------------------------------===
1898 dnl=== SECTION 10: Specify the output files and generate it
1900 dnl===-----------------------------------------------------------------------===
1902 dnl Configure header files
1903 dnl WARNING: dnl If you add or remove any of the following config headers, then
1904 dnl you MUST also update Makefile so that the variable FilesToConfig
1905 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1906 dnl files can be updated automatically when their *.in sources change.
1907 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1908 AH_TOP([#ifndef CONFIG_H
1912 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1913 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1914 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1915 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1916 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1918 dnl Configure the makefile's configuration data
1919 AC_CONFIG_FILES([Makefile.config])
1921 dnl Configure the RPM spec file for LLVM
1922 AC_CONFIG_FILES([llvm.spec])
1924 dnl Configure doxygen's configuration file
1925 AC_CONFIG_FILES([docs/doxygen.cfg])
1927 dnl Configure clang, if present
1928 if test "${clang_src_root}" = ""; then
1929 clang_src_root="$srcdir/tools/clang"
1931 if test -f ${clang_src_root}/README.txt; then
1932 dnl Use variables to stay under 80 columns.
1933 configh="include/clang/Config/config.h"
1934 doxy="docs/doxygen.cfg"
1935 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1936 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1939 dnl OCaml findlib META file
1940 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1942 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
1943 test "x$program_prefix" = "xNONE" && program_prefix=""
1944 AC_SUBST([program_prefix])
1947 dnl Do special configuration of Makefiles
1948 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1949 AC_CONFIG_MAKEFILE(Makefile)
1950 AC_CONFIG_MAKEFILE(Makefile.common)
1951 AC_CONFIG_MAKEFILE(examples/Makefile)
1952 AC_CONFIG_MAKEFILE(lib/Makefile)
1953 AC_CONFIG_MAKEFILE(runtime/Makefile)
1954 AC_CONFIG_MAKEFILE(test/Makefile)
1955 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1956 AC_CONFIG_MAKEFILE(unittests/Makefile)
1957 AC_CONFIG_MAKEFILE(tools/Makefile)
1958 AC_CONFIG_MAKEFILE(utils/Makefile)
1959 AC_CONFIG_MAKEFILE(projects/Makefile)
1960 AC_CONFIG_MAKEFILE(bindings/Makefile)
1961 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1963 dnl Finally, crank out the output