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" ;;
225 *-*-freebsd* | *-*-kfreebsd-gnu)
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="OpenBSD"
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="NetBSD"
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="DragonFly"
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="HP-UX"
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="Interix"
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="Linux"
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="GNU"
264 llvm_cv_platform_type="Unix" ;;
266 llvm_cv_link_all_option="-Wl,-z,allextract"
267 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
268 llvm_cv_os_type="SunOS"
269 llvm_cv_platform_type="Unix" ;;
271 llvm_cv_link_all_option="-Wl,-z,allextract"
272 llvm_cv_link_all_option="-Wl,-z,defaultextract"
273 llvm_cv_os_type="AuroraUX"
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="Win32"
279 llvm_cv_platform_type="Win32" ;;
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="MingW"
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="Haiku"
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="Freestanding"
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=""
302 llvm_cv_no_link_all_option=""
303 llvm_cv_os_type="Unknown"
304 llvm_cv_platform_type="Unknown" ;;
307 AC_CACHE_CHECK([type of operating system we're going to target],
308 [llvm_cv_target_os_type],
311 llvm_cv_target_os_type="AIX" ;;
313 llvm_cv_target_os_type="IRIX" ;;
315 llvm_cv_target_os_type="Cygwin" ;;
317 llvm_cv_target_os_type="Darwin" ;;
319 llvm_cv_target_os_type="Minix" ;;
320 *-*-freebsd* | *-*-kfreebsd-gnu)
321 llvm_cv_target_os_type="FreeBSD" ;;
323 llvm_cv_target_os_type="OpenBSD" ;;
325 llvm_cv_target_os_type="NetBSD" ;;
327 llvm_cv_target_os_type="DragonFly" ;;
329 llvm_cv_target_os_type="HP-UX" ;;
331 llvm_cv_target_os_type="Interix" ;;
333 llvm_cv_target_os_type="Linux" ;;
335 llvm_cv_target_os_type="GNU" ;;
337 llvm_cv_target_os_type="SunOS" ;;
339 llvm_cv_target_os_type="AuroraUX" ;;
341 llvm_cv_target_os_type="Win32" ;;
343 llvm_cv_target_os_type="MingW" ;;
345 llvm_cv_target_os_type="Haiku" ;;
347 llvm_cv_target_os_type="RTEMS" ;;
349 llvm_cv_target_os_type="NativeClient" ;;
351 llvm_cv_target_os_type="Freestanding" ;;
353 llvm_cv_target_os_type="Unknown" ;;
356 dnl Make sure we aren't attempting to configure for an unknown system
357 if test "$llvm_cv_os_type" = "Unknown" ; then
358 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
361 dnl Set the "OS" Makefile variable based on the platform type so the
362 dnl makefile can configure itself to specific build hosts
363 AC_SUBST(OS,$llvm_cv_os_type)
364 AC_SUBST(HOST_OS,$llvm_cv_os_type)
365 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
367 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
368 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
369 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
371 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
372 dnl This is used by lib/Support to determine the basic kind of implementation
374 case $llvm_cv_platform_type in
376 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
377 AC_SUBST(LLVM_ON_UNIX,[1])
378 AC_SUBST(LLVM_ON_WIN32,[0])
381 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
382 AC_SUBST(LLVM_ON_UNIX,[0])
383 AC_SUBST(LLVM_ON_WIN32,[1])
387 dnl Determine what our target architecture is and configure accordingly.
388 dnl This will allow Makefiles to make a distinction between the hardware and
390 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
392 i?86-*) llvm_cv_target_arch="x86" ;;
393 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
394 sparc*-*) llvm_cv_target_arch="Sparc" ;;
395 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
396 arm*-*) llvm_cv_target_arch="ARM" ;;
397 aarch64*-*) llvm_cv_target_arch="AArch64" ;;
398 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
399 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
400 xcore-*) llvm_cv_target_arch="XCore" ;;
401 msp430-*) llvm_cv_target_arch="MSP430" ;;
402 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
403 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
404 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
405 s390x-*) llvm_cv_target_arch="SystemZ" ;;
406 *) llvm_cv_target_arch="Unknown" ;;
409 if test "$llvm_cv_target_arch" = "Unknown" ; then
410 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
413 dnl Determine the LLVM native architecture for the target
414 case "$llvm_cv_target_arch" in
415 x86) LLVM_NATIVE_ARCH="X86" ;;
416 x86_64) LLVM_NATIVE_ARCH="X86" ;;
417 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
420 dnl Define a substitution, ARCH, for the target architecture
421 AC_SUBST(ARCH,$llvm_cv_target_arch)
423 dnl Determine what our host architecture.
424 dnl This will allow MCJIT regress tests runs only for supported
427 i?86-*) host_arch="x86" ;;
428 amd64-* | x86_64-*) host_arch="x86_64" ;;
429 sparc*-*) host_arch="Sparc" ;;
430 powerpc*-*) host_arch="PowerPC" ;;
431 arm*-*) host_arch="ARM" ;;
432 aarch64*-*) host_arch="AArch64" ;;
433 mips-* | mips64-*) host_arch="Mips" ;;
434 mipsel-* | mips64el-*) host_arch="Mips" ;;
435 xcore-*) host_arch="XCore" ;;
436 msp430-*) host_arch="MSP430" ;;
437 hexagon-*) host_arch="Hexagon" ;;
438 mblaze-*) host_arch="MBlaze" ;;
439 s390x-*) host_arch="SystemZ" ;;
440 *) host_arch="Unknown" ;;
443 if test "$host_arch" = "Unknown" ; then
444 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
447 AC_SUBST(HOST_ARCH,$host_arch)
449 dnl Check for the endianness of the target
450 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
452 dnl Check for build platform executable suffix if we're cross-compiling
453 if test "$cross_compiling" = yes; then
454 AC_SUBST(LLVM_CROSS_COMPILING, [1])
456 ac_build_prefix=${build_alias}-
457 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
458 if test -z "$BUILD_CXX"; then
459 AC_CHECK_PROG(BUILD_CXX, g++, g++)
460 if test -z "$BUILD_CXX"; then
461 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
465 AC_SUBST(LLVM_CROSS_COMPILING, [0])
468 dnl Check to see if there's a .svn or .git directory indicating that this
469 dnl build is being done from a checkout. This sets up several defaults for
470 dnl the command line switches. When we build with a checkout directory,
471 dnl we get a debug with assertions turned on. Without, we assume a source
472 dnl release and we get an optimized build without assertions.
473 dnl See --enable-optimized and --enable-assertions below
474 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
477 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
483 dnl===-----------------------------------------------------------------------===
485 dnl=== SECTION 3: Command line arguments for the configure script.
487 dnl===-----------------------------------------------------------------------===
489 dnl --enable-libcpp : check whether or not to use libc++ on the command line
490 AC_ARG_ENABLE(libcpp,
491 AS_HELP_STRING([--enable-libcpp],
492 [Use libc++ if available (default is NO)]),,
495 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
496 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
497 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
498 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
501 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
503 AS_HELP_STRING([--enable-cxx11],
504 [Use c++11 if available (default is NO)]),,
507 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
508 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
509 default) AC_SUBST(ENABLE_CXX11,[0]);;
510 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
513 dnl --enable-fission : check whether or not to use -gsplit-dwarf on the command
515 AC_ARG_ENABLE(split-dwarf,
516 AS_HELP_STRING([--enable-split-dwarf],
517 [Use split-dwarf if available (default is NO)]),,
520 yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;;
521 no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;;
522 default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);;
523 *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;;
526 dnl --enable-clang-arcmt: check whether to enable clang arcmt
528 AC_ARG_ENABLE(clang-arcmt,
529 AS_HELP_STRING([--enable-clang-arcmt],
530 [Enable building of clang ARCMT (default is YES)]),
531 clang_arcmt="$enableval",
534 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
535 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
536 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
537 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
540 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
541 clang_static_analyzer="yes"
542 AC_ARG_ENABLE(clang-static-analyzer,
543 AS_HELP_STRING([--enable-clang-static-analyzer],
544 [Enable building of clang Static Analyzer (default is YES)]),
545 clang_static_analyzer="$enableval",
548 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
549 no) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0]) ;;
550 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
551 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
554 dnl --enable-clang-rewriter: check whether to enable clang rewriter
555 AC_ARG_ENABLE(clang-rewriter,
556 AS_HELP_STRING([--enable-clang-rewriter],
557 [Enable building of clang rewriter (default is YES)]),,
560 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;;
562 if test ${clang_arcmt} != "no" ; then
563 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
565 if test ${clang_static_analyzer} != "no" ; then
566 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
568 AC_SUBST(ENABLE_CLANG_REWRITER,[0])
570 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
571 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
574 dnl --enable-optimized : check whether they want to do an optimized build:
575 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
576 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
577 if test ${enableval} = "no" ; then
578 AC_SUBST(ENABLE_OPTIMIZED,[[]])
580 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
583 dnl --enable-profiling : check whether they want to do a profile build:
584 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
585 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
586 if test ${enableval} = "no" ; then
587 AC_SUBST(ENABLE_PROFILING,[[]])
589 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
592 dnl --enable-assertions : check whether they want to turn on assertions or not:
593 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
594 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
595 if test ${enableval} = "yes" ; then
596 AC_SUBST(DISABLE_ASSERTIONS,[[]])
598 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
601 dnl --enable-werror : check whether we want Werror on by default
602 AC_ARG_ENABLE(werror,AS_HELP_STRING(
603 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
605 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
606 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
607 default) AC_SUBST(ENABLE_WERROR,[0]);;
608 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
611 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
612 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
613 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
614 if test ${enableval} = "yes" ; then
615 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
616 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
618 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
619 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
622 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
623 AC_ARG_ENABLE(debug-runtime,
624 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
625 if test ${enableval} = "no" ; then
626 AC_SUBST(DEBUG_RUNTIME,[[]])
628 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
631 dnl --enable-debug-symbols : should even optimized compiler libraries
632 dnl have debug symbols?
633 AC_ARG_ENABLE(debug-symbols,
634 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)
635 if test ${enableval} = "no" ; then
636 AC_SUBST(DEBUG_SYMBOLS,[[]])
638 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
641 dnl --enable-keep-symbols : do not strip installed executables
642 AC_ARG_ENABLE(keep-symbols,
643 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
644 if test ${enableval} = "no" ; then
645 AC_SUBST(KEEP_SYMBOLS,[[]])
647 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
650 dnl --enable-jit: check whether they want to enable the jit
652 AS_HELP_STRING(--enable-jit,
653 [Enable Just In Time Compiling (default is YES)]),,
655 if test ${enableval} = "no"
659 case "$llvm_cv_target_arch" in
660 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
661 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
662 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
663 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
664 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
665 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
666 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
667 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
668 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
669 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
670 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
671 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
672 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
673 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
677 dnl Allow enablement of building and installing docs
679 AS_HELP_STRING([--enable-docs],
680 [Build documents (default is YES)]),,
683 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
684 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
685 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
686 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
689 dnl Allow enablement of doxygen generated documentation
690 AC_ARG_ENABLE(doxygen,
691 AS_HELP_STRING([--enable-doxygen],
692 [Build doxygen documentation (default is NO)]),,
695 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
696 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
697 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
698 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
701 dnl Allow disablement of threads
702 AC_ARG_ENABLE(threads,
703 AS_HELP_STRING([--enable-threads],
704 [Use threads if available (default is YES)]),,
707 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
708 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
709 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
710 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
712 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
713 [Define if threads enabled])
715 dnl Allow disablement of pthread.h
716 AC_ARG_ENABLE(pthreads,
717 AS_HELP_STRING([--enable-pthreads],
718 [Use pthreads if available (default is YES)]),,
721 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
722 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
723 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
724 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
727 dnl Allow disablement of zlib
729 AS_HELP_STRING([--enable-zlib],
730 [Use zlib for compression/decompression if
731 available (default is YES)]),,
734 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
735 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
736 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
737 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
739 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
740 [Define if zlib is enabled])
742 dnl Allow building without position independent code
744 AS_HELP_STRING([--enable-pic],
745 [Build LLVM with Position Independent Code (default is YES)]),,
748 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
749 no) AC_SUBST(ENABLE_PIC,[0]) ;;
750 default) AC_SUBST(ENABLE_PIC,[1]) ;;
751 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
753 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
754 [Define if position independent code is enabled])
756 dnl Allow building a shared library and linking tools against it.
757 AC_ARG_ENABLE(shared,
758 AS_HELP_STRING([--enable-shared],
759 [Build a shared library and link tools against it (default is NO)]),,
762 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
763 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
764 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
765 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
768 dnl Allow libstdc++ is embedded in LLVM.dll.
769 AC_ARG_ENABLE(embed-stdcxx,
770 AS_HELP_STRING([--enable-embed-stdcxx],
771 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
774 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
775 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
776 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
777 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
780 dnl Enable embedding timestamp information into build.
781 AC_ARG_ENABLE(timestamps,
782 AS_HELP_STRING([--enable-timestamps],
783 [Enable embedding timestamp information in build (default is YES)]),,
786 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
787 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
788 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
789 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
791 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
792 [Define if timestamp information (e.g., __DATE__) is allowed])
794 dnl Enable embedding timestamp information into build.
796 AC_ARG_ENABLE(backtraces,
797 AS_HELP_STRING([--enable-backtraces],
798 [Enable embedding backtraces on crash (default is YES)]),,
801 yes) AC_SUBST(ENABLE_BACKTRACES,[1]) ;;
802 no) AC_SUBST(ENABLE_BACKTRACES,[0]) ;;
803 default) AC_SUBST(ENABLE_BACKTRACES,[1]) ;;
804 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
806 AC_DEFINE_UNQUOTED([ENABLE_BACKTRACES],$ENABLE_BACKTRACES,
807 [Define if you want backtraces on crash])
809 dnl Allow specific targets to be specified for building (or not)
811 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
812 [Build specific host targets: all or target1,target2,... Valid targets are:
813 host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon,
814 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
816 if test "$enableval" = host-only ; then
820 all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend MBlaze NVPTX Hexagon SystemZ R600" ;;
821 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
823 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
824 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
825 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
826 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
827 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
828 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
829 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
830 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
831 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
832 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
833 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
834 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
835 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
836 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
837 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
838 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
839 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
840 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
841 host) case "$llvm_cv_target_arch" in
842 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
843 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
844 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
845 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
846 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
847 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
848 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
849 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
850 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
851 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
852 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
853 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
854 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
855 *) AC_MSG_ERROR([Can not set target to build]) ;;
857 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
863 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
864 [Build experimental host targets: disable or target1,target2,...
865 (default=disable)]),,
868 if test ${enableval} != "disable"
870 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
873 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
875 dnl Determine whether we are building LLVM support for the native architecture.
876 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
877 for a_target in $TARGETS_TO_BUILD; do
878 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
879 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
880 [LLVM architecture name for the native architecture, if available])
881 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
882 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
883 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
884 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
885 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
886 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
888 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
889 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
891 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
892 [LLVM name for the native Target init function, if available])
893 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
894 [LLVM name for the native TargetInfo init function, if available])
895 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
896 [LLVM name for the native target MC init function, if available])
897 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
898 [LLVM name for the native AsmPrinter init function, if available])
899 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
900 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
901 [LLVM name for the native AsmParser init function, if available])
903 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
904 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
905 [LLVM name for the native Disassembler init function, if available])
910 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
911 dnl target feature def files.
913 LLVM_ENUM_ASM_PRINTERS=""
914 LLVM_ENUM_ASM_PARSERS=""
915 LLVM_ENUM_DISASSEMBLERS=""
916 for target_to_build in $TARGETS_TO_BUILD; do
917 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
918 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
919 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
921 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
922 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
924 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
925 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
928 AC_SUBST(LLVM_ENUM_TARGETS)
929 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
930 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
931 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
933 dnl Override the option to use for optimized builds.
934 AC_ARG_WITH(optimize-option,
935 AS_HELP_STRING([--with-optimize-option],
936 [Select the compiler options to use for optimized builds]),,
938 AC_MSG_CHECKING([optimization flags])
941 case "$llvm_cv_os_type" in
942 FreeBSD) optimize_option=-O2 ;;
943 MingW) optimize_option=-O2 ;;
944 *) optimize_option=-O3 ;;
946 *) optimize_option="$withval" ;;
948 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
949 AC_MSG_RESULT([$optimize_option])
951 dnl Specify extra build options
952 AC_ARG_WITH(extra-options,
953 AS_HELP_STRING([--with-extra-options],
954 [Specify additional options to compile LLVM with]),,
957 default) EXTRA_OPTIONS= ;;
958 *) EXTRA_OPTIONS=$withval ;;
960 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
962 dnl Specify extra linker build options
963 AC_ARG_WITH(extra-ld-options,
964 AS_HELP_STRING([--with-extra-ld-options],
965 [Specify additional options to link LLVM with]),,
968 default) EXTRA_LD_OPTIONS= ;;
969 *) EXTRA_LD_OPTIONS=$withval ;;
971 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
973 dnl Allow specific bindings to be specified for building (or not)
974 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
975 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
979 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
980 all ) BINDINGS_TO_BUILD="ocaml" ;;
981 none | no) BINDINGS_TO_BUILD="" ;;
982 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
984 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
985 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
991 dnl Allow the ocaml libdir to be overridden. This could go in a configure
992 dnl script for bindings/ocaml/configure, except that its auto value depends on
993 dnl OCAMLC, which is found here to support tests.
994 AC_ARG_WITH([ocaml-libdir],
995 [AS_HELP_STRING([--with-ocaml-libdir],
996 [Specify install location for ocaml bindings (default is stdlib)])],
1000 auto) with_ocaml_libdir="$withval" ;;
1001 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
1002 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
1005 AC_ARG_WITH(clang-srcdir,
1006 AS_HELP_STRING([--with-clang-srcdir],
1007 [Directory to the out-of-tree Clang source]),,
1010 -) clang_src_root="" ;;
1011 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
1012 *) clang_src_root="$ac_pwd/$withval" ;;
1014 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1016 AC_ARG_WITH(clang-resource-dir,
1017 AS_HELP_STRING([--with-clang-resource-dir],
1018 [Relative directory from the Clang binary for resource files]),,
1020 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1021 [Relative directory for resource files])
1023 AC_ARG_WITH(c-include-dirs,
1024 AS_HELP_STRING([--with-c-include-dirs],
1025 [Colon separated list of directories clang will search for headers]),,
1027 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1028 [Directories clang will search for headers])
1030 # Clang normally uses the system c++ headers and libraries. With this option,
1031 # clang will use the ones provided by a gcc installation instead. This option should
1032 # be passed the same value that was used with --prefix when configuring gcc.
1033 AC_ARG_WITH(gcc-toolchain,
1034 AS_HELP_STRING([--with-gcc-toolchain],
1035 [Directory where gcc is installed.]),,
1037 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1038 [Directory where gcc is installed.])
1040 AC_ARG_WITH(default-sysroot,
1041 AS_HELP_STRING([--with-default-sysroot],
1042 [Add --sysroot=<path> to all compiler invocations.]),,
1044 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1045 [Default <path> to all compiler invocations for --sysroot=<path>.])
1047 dnl Allow linking of LLVM with GPLv3 binutils code.
1048 AC_ARG_WITH(binutils-include,
1049 AS_HELP_STRING([--with-binutils-include],
1050 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1053 default) WITH_BINUTILS_INCDIR=default ;;
1054 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1055 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1057 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1058 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1059 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1060 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1061 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1065 dnl Specify the URL where bug reports should be submitted.
1066 AC_ARG_WITH(bug-report-url,
1067 AS_HELP_STRING([--with-bug-report-url],
1068 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1069 withval="http://llvm.org/bugs/")
1070 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1073 dnl --enable-libffi : check whether the user wants to turn off libffi:
1074 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1075 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1076 [case "$enableval" in
1077 yes) llvm_cv_enable_libffi="yes" ;;
1078 no) llvm_cv_enable_libffi="no" ;;
1079 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1081 llvm_cv_enable_libffi=no)
1083 AC_ARG_WITH(internal-prefix,
1084 AS_HELP_STRING([--with-internal-prefix],
1085 [Installation directory for internal files]),,
1087 AC_SUBST(INTERNAL_PREFIX,[$withval])
1089 dnl===-----------------------------------------------------------------------===
1091 dnl=== SECTION 4: Check for programs we need and that they are the right version
1093 dnl===-----------------------------------------------------------------------===
1098 dnl Check for the tools that the makefiles require
1101 AC_PATH_PROG(CMP, [cmp], [cmp])
1102 AC_PATH_PROG(CP, [cp], [cp])
1103 AC_PATH_PROG(DATE, [date], [date])
1104 AC_PATH_PROG(FIND, [find], [find])
1105 AC_PATH_PROG(GREP, [grep], [grep])
1106 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1107 AC_PATH_PROG(MV, [mv], [mv])
1109 AC_CHECK_TOOL(AR, ar, false)
1110 AC_PATH_PROG(RM, [rm], [rm])
1111 AC_PATH_PROG(SED, [sed], [sed])
1112 AC_PATH_PROG(TAR, [tar], [gtar])
1113 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1115 dnl Looking for misc. graph plotting software
1116 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
1117 if test "$GRAPHVIZ" != "echo Graphviz" ; then
1118 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
1119 dnl If we're targeting for mingw we should emit windows paths, not msys
1120 if test "$llvm_cv_os_type" = "MingW" ; then
1121 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1123 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1124 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1126 AC_PATH_PROG(DOT, [dot], [echo dot])
1127 if test "$DOT" != "echo dot" ; then
1128 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1129 dnl If we're targeting for mingw we should emit windows paths, not msys
1130 if test "$llvm_cv_os_type" = "MingW" ; then
1131 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1133 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1134 [Define to path to dot program if found or 'echo dot' otherwise])
1136 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1137 if test "$FDP" != "echo fdp" ; then
1138 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1139 dnl If we're targeting for mingw we should emit windows paths, not msys
1140 if test "$llvm_cv_os_type" = "MingW" ; then
1141 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1143 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1144 [Define to path to fdp program if found or 'echo fdp' otherwise])
1146 AC_PATH_PROG(NEATO, [neato], [echo neato])
1147 if test "$NEATO" != "echo neato" ; then
1148 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1149 dnl If we're targeting for mingw we should emit windows paths, not msys
1150 if test "$llvm_cv_os_type" = "MingW" ; then
1151 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1153 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1154 [Define to path to neato program if found or 'echo neato' otherwise])
1156 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1157 if test "$TWOPI" != "echo twopi" ; then
1158 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1159 dnl If we're targeting for mingw we should emit windows paths, not msys
1160 if test "$llvm_cv_os_type" = "MingW" ; then
1161 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1163 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1164 [Define to path to twopi program if found or 'echo twopi' otherwise])
1166 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1167 if test "$CIRCO" != "echo circo" ; then
1168 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1169 dnl If we're targeting for mingw we should emit windows paths, not msys
1170 if test "$llvm_cv_os_type" = "MingW" ; then
1171 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1173 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1174 [Define to path to circo program if found or 'echo circo' otherwise])
1176 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1177 if test "$GV" != "echo gv" ; then
1178 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1179 dnl If we're targeting for mingw we should emit windows paths, not msys
1180 if test "$llvm_cv_os_type" = "MingW" ; then
1181 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1183 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1184 [Define to path to gv program if found or 'echo gv' otherwise])
1186 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1187 if test "$DOTTY" != "echo dotty" ; then
1188 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1189 dnl If we're targeting for mingw we should emit windows paths, not msys
1190 if test "$llvm_cv_os_type" = "MingW" ; then
1191 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1193 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1194 [Define to path to dotty program if found or 'echo dotty' otherwise])
1196 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1197 if test "$XDOT_PY" != "echo xdot.py" ; then
1198 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1199 dnl If we're targeting for mingw we should emit windows paths, not msys
1200 if test "$llvm_cv_os_type" = "MingW" ; then
1201 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1203 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1204 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1207 dnl Find the install program
1209 dnl Prepend src dir to install path dir if it's a relative path
1210 dnl This is a hack for installs that take place in something other
1211 dnl than the top level.
1213 [[\\/$]]* | ?:[[\\/]]* ) ;;
1214 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1217 dnl Checks for documentation and testing tools that we can do without. If these
1218 dnl are not found then they are set to "true" which always succeeds but does
1219 dnl nothing. This just lets the build output show that we could have done
1220 dnl something if the tool was available.
1221 AC_PATH_PROG(BZIP2, [bzip2])
1222 AC_PATH_PROG(CAT, [cat])
1223 AC_PATH_PROG(DOXYGEN, [doxygen])
1224 AC_PATH_PROG(GROFF, [groff])
1225 AC_PATH_PROG(GZIPBIN, [gzip])
1226 AC_PATH_PROG(PDFROFF, [pdfroff])
1227 AC_PATH_PROG(ZIP, [zip])
1228 AC_PATH_PROGS(OCAMLC, [ocamlc])
1229 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1230 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1231 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1232 AC_PATH_PROGS(GAS, [gas as])
1234 dnl Get the version of the linker in use.
1237 dnl Determine whether the linker supports the -R option.
1240 dnl Determine whether the linker supports the -export-dynamic option.
1241 AC_LINK_EXPORT_DYNAMIC
1243 dnl Determine whether the linker supports the --version-script option.
1244 AC_LINK_VERSION_SCRIPT
1246 dnl Check for libtool and the library that has dlopen function (which must come
1247 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1252 AC_MSG_CHECKING([tool compatibility])
1254 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1255 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1256 dnl to support those options.
1257 dnl "icc" emits gcc signatures
1258 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1270 if test "$GCC" != "yes" && test "$ICC" != "yes"
1272 AC_MSG_ERROR([gcc|icc required but not found])
1275 dnl Ensure that compilation tools are compatible with GCC extensions
1276 if test "$GXX" != "yes" && test "$IXX" != "yes"
1278 AC_MSG_ERROR([g++|clang++|icc required but not found])
1281 dnl Verify that GCC is version 3.0 or higher
1282 if test "$GCC" = "yes"
1287 #if !defined(__GNUC__) || __GNUC__ < 3
1288 #error Unsupported GCC version
1292 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1295 dnl Check for GNU Make. We use its extensions, so don't build without it
1296 if test -z "$llvm_cv_gnu_make_command"
1298 AC_MSG_ERROR([GNU Make required but not found])
1301 dnl Tool compatibility is okay if we make it here.
1304 dnl Check optional compiler flags.
1305 AC_MSG_CHECKING([optional compiler flags])
1306 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1307 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1308 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1310 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1311 dnl false positives, so disable it.
1313 NO_MAYBE_UNINITIALIZED=
1314 if test "$GXX" = "yes"
1316 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1317 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1318 dnl known to be uninitialized from cases which might be uninitialized. We
1319 dnl still want to catch the first kind of errors.
1320 if test -z "$NO_MAYBE_UNINITIALIZED"
1322 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1325 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
1327 AC_ARG_WITH([python],
1328 [AS_HELP_STRING([--with-python], [path to python])],
1329 [PYTHON="$withval"])
1331 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1332 AC_MSG_CHECKING([for python])
1333 AC_MSG_RESULT([user defined: $with_python])
1335 if test -n "$PYTHON" ; then
1336 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1339 AC_PATH_PROG([PYTHON], [python python2 python26],
1340 [AC_MSG_RESULT([not found])
1341 AC_MSG_ERROR([could not find python 2.5 or higher])])
1344 AC_MSG_CHECKING([for python >= 2.5])
1345 ac_python_version=`$PYTHON -c 'import sys; print sys.version.split()[[0]]'`
1346 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1347 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1348 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1349 if test "$ac_python_version_major" -eq "2" \
1350 && test "$ac_python_version_minor" -ge "5" ; then
1351 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1353 AC_MSG_RESULT([not found])
1354 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5])
1357 dnl===-----------------------------------------------------------------------===
1359 dnl=== SECTION 5: Check for libraries
1361 dnl===-----------------------------------------------------------------------===
1364 if test "$llvm_cv_os_type" = "MingW" ; then
1365 AC_CHECK_LIB(imagehlp, main)
1366 AC_CHECK_LIB(psapi, main)
1369 dnl dlopen() is required for plugin support.
1370 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1371 [Define if dlopen() is available on this platform.]),
1372 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1374 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1375 dnl macros to detect whether clock_gettime is available, this just finds the
1376 dnl right libraries to link with.
1377 AC_SEARCH_LIBS(clock_gettime,rt)
1379 dnl libffi is optional; used to call external functions from the interpreter
1380 if test "$llvm_cv_enable_libffi" = "yes" ; then
1381 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1382 [Define if libffi is available on this platform.]),
1383 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1386 dnl mallinfo is optional; the code can compile (minus features) without it
1387 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1388 [Define if mallinfo() is available on this platform.]))
1390 dnl pthread locking functions are optional - but llvm will not be thread-safe
1392 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1393 AC_CHECK_LIB(pthread, pthread_mutex_init)
1394 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1395 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1396 [Have pthread_mutex_lock]))
1397 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1398 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1399 [Have pthread_rwlock_init]))
1400 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1401 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1402 [Have pthread_getspecific]))
1405 dnl zlib is optional; used for compression/uncompression
1406 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1407 AC_CHECK_LIB(z, compress2)
1410 dnl Allow extra x86-disassembler library
1412 AS_HELP_STRING([--with-udis86=<path>],
1413 [Use udis86 external x86 disassembler library]),
1415 AC_SUBST(USE_UDIS86, [1])
1418 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1420 AC_CHECK_LIB(udis86, ud_init, [], [
1421 echo "Error! You need to have libudis86 around."
1425 AC_SUBST(USE_UDIS86, [0]))
1426 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1427 [Define if use udis86 library])
1429 dnl Allow OProfile support for JIT output.
1430 AC_ARG_WITH(oprofile,
1431 AS_HELP_STRING([--with-oprofile=<prefix>],
1432 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1434 AC_SUBST(USE_OPROFILE, [1])
1436 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1438 AC_SUBST(USE_OPROFILE, [0]) ;;
1439 *) llvm_cv_oppath="${withval}/lib/oprofile"
1440 CPPFLAGS="-I${withval}/include";;
1442 case $llvm_cv_os_type in
1444 if test -n "$llvm_cv_oppath" ; then
1445 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1446 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1447 dnl libbfd is not included properly in libopagent in some Debian
1448 dnl versions. If libbfd isn't found at all, we assume opagent works
1450 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1451 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1452 echo "Error! You need to have libopagent around."
1455 AC_CHECK_HEADER([opagent.h], [], [
1456 echo "Error! You need to have opagent.h around."
1461 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1465 AC_SUBST(USE_OPROFILE, [0])
1467 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1468 [Define if we have the oprofile JIT-support library])
1470 dnl Enable support for Intel JIT Events API.
1471 AC_ARG_WITH(intel-jitevents,
1472 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1475 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1476 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1477 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1480 case $llvm_cv_os_type in
1481 Linux|Win32|Cygwin|MingW) ;;
1482 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1485 case "$llvm_cv_target_arch" in
1487 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1491 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1493 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1494 [Define if we have the Intel JIT API runtime support library])
1496 dnl Check for libxml2
1497 dnl Right now we're just checking for the existence, we could also check for a
1498 dnl particular version via --version on xml2-config
1499 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1501 AC_MSG_CHECKING(for libxml2 includes)
1502 if test "x$XML2CONFIG" = "x"; then
1503 AC_MSG_RESULT(xml2-config not found)
1505 LIBXML2_INC=`$XML2CONFIG --cflags`
1506 AC_MSG_RESULT($LIBXML2_INC)
1507 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1508 LIBXML2_LIBS="-lxml2"])
1510 AC_SUBST(LIBXML2_LIBS)
1511 AC_SUBST(LIBXML2_INC)
1513 dnl===-----------------------------------------------------------------------===
1515 dnl=== SECTION 6: Check for header files
1517 dnl===-----------------------------------------------------------------------===
1519 dnl First, use autoconf provided macros for specific headers that we need
1520 dnl We don't check for ancient stuff or things that are guaranteed to be there
1521 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1522 dnl Generally we're looking for POSIX headers.
1524 AC_HEADER_MMAP_ANONYMOUS
1530 AC_CHECK_HEADERS([cxxabi.h])
1532 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1533 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1534 AC_CHECK_HEADERS([utime.h windows.h])
1535 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1536 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1537 AC_CHECK_HEADERS([valgrind/valgrind.h])
1538 AC_CHECK_HEADERS([fenv.h])
1539 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1540 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1541 AC_CHECK_HEADERS(pthread.h,
1542 AC_SUBST(HAVE_PTHREAD, 1),
1543 AC_SUBST(HAVE_PTHREAD, 0))
1545 AC_SUBST(HAVE_PTHREAD, 0)
1547 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1548 AC_CHECK_HEADERS(zlib.h,
1549 AC_SUBST(HAVE_LIBZ, 1),
1550 AC_SUBST(HAVE_LIBZ, 0))
1552 AC_SUBST(HAVE_LIBZ, 0)
1555 dnl Try to find ffi.h.
1556 if test "$llvm_cv_enable_libffi" = "yes" ; then
1557 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1560 dnl Try to find Darwin specific crash reporting libraries.
1561 AC_CHECK_HEADERS([CrashReporterClient.h])
1563 dnl Try to find Darwin specific crash reporting global.
1564 AC_MSG_CHECKING([__crashreporter_info__])
1568 extern const char *__crashreporter_info__;
1570 __crashreporter_info__ = "test";
1576 AC_MSG_RESULT([yes])
1577 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1581 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1584 dnl===-----------------------------------------------------------------------===
1586 dnl=== SECTION 7: Check for types and structures
1588 dnl===-----------------------------------------------------------------------===
1593 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1595 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1596 AC_CHECK_TYPES([uint64_t],,
1597 AC_CHECK_TYPES([u_int64_t],,
1598 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1600 dnl===-----------------------------------------------------------------------===
1602 dnl=== SECTION 8: Check for specific functions needed
1604 dnl===-----------------------------------------------------------------------===
1606 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1607 AC_CHECK_FUNCS([powf fmodf strtof round ])
1608 AC_CHECK_FUNCS([log log2 log10 exp exp2])
1609 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1610 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1611 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1612 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1613 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1614 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1618 dnl Check the declaration "Secure API" on Windows environments.
1619 AC_CHECK_DECLS([strerror_s])
1621 dnl Check symbols in libgcc.a for JIT on Mingw.
1622 if test "$llvm_cv_os_type" = "MingW" ; then
1623 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1624 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1625 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1626 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1628 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1629 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1630 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1631 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1632 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1633 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1634 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1635 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1636 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1637 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1639 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1640 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1643 dnl Check Win32 API EnumerateLoadedModules.
1644 if test "$llvm_cv_os_type" = "MingW" ; then
1645 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1649 #include <windows.h>
1650 #include <imagehlp.h>
1651 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1652 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1656 AC_MSG_RESULT([yes])
1657 llvm_cv_win32_elmcb_pcstr="PCSTR"
1661 llvm_cv_win32_elmcb_pcstr="PSTR"
1663 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1666 dnl Check for variations in the Standard C++ library and STL. These macros are
1667 dnl provided by LLVM in the autoconf/m4 directory.
1671 dnl Check for mmap support.We also need to know if /dev/zero is required to
1672 dnl be opened for allocating RWX memory.
1673 dnl Make sure we aren't attempting to configure for an unknown system
1674 if test "$llvm_cv_platform_type" = "Unix" ; then
1677 AC_NEED_DEV_ZERO_FOR_MMAP
1679 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1681 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1683 if test "$ac_cv_func_mmap_file" = "no"
1685 AC_MSG_WARN([mmap() of files required but not found])
1689 dnl atomic builtins are required for threading support.
1690 AC_MSG_CHECKING(for GCC atomic builtins)
1691 dnl Since we'll be using these atomic builtins in C++ files we should test
1692 dnl the C++ compiler.
1698 volatile unsigned long val = 1;
1699 __sync_synchronize();
1700 __sync_val_compare_and_swap(&val, 1, 0);
1701 __sync_add_and_fetch(&val, 1);
1702 __sync_sub_and_fetch(&val, 1);
1708 AC_MSG_RESULT([yes])
1709 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1713 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1714 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1718 dnl===-----------------------------------------------------------------------===
1720 dnl=== SECTION 9: Additional checks, variables, etc.
1722 dnl===-----------------------------------------------------------------------===
1724 dnl Handle 32-bit linux systems running a 64-bit kernel.
1725 dnl This has to come after section 4 because it invokes the compiler.
1726 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1728 if test "$llvm_cv_linux_mixed" = "yes"; then
1729 llvm_cv_target_arch="x86"
1734 dnl Check whether __dso_handle is present
1735 AC_CHECK_FUNCS([__dso_handle])
1737 dnl Propagate the shared library extension that the libltdl checks did to
1738 dnl the Makefiles so we can use it there too
1739 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1741 dnl Propagate the run-time library path variable that the libltdl
1742 dnl checks found to the Makefiles so we can use it there too
1743 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1745 dnl Translate the various configuration directories and other basic
1746 dnl information into substitutions that will end up in Makefile.config.in
1747 dnl that these configured values can be used by the makefiles
1748 if test "${prefix}" = "NONE" ; then
1751 eval LLVM_PREFIX="${prefix}";
1752 eval LLVM_BINDIR="${prefix}/bin";
1753 eval LLVM_DATADIR="${prefix}/share/llvm";
1754 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1755 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1756 eval LLVM_INCLUDEDIR="${prefix}/include";
1757 eval LLVM_INFODIR="${prefix}/info";
1758 eval LLVM_MANDIR="${prefix}/man";
1759 LLVM_CONFIGTIME=`date`
1760 AC_SUBST(LLVM_PREFIX)
1761 AC_SUBST(LLVM_BINDIR)
1762 AC_SUBST(LLVM_DATADIR)
1763 AC_SUBST(LLVM_DOCSDIR)
1764 AC_SUBST(LLVM_ETCDIR)
1765 AC_SUBST(LLVM_INCLUDEDIR)
1766 AC_SUBST(LLVM_INFODIR)
1767 AC_SUBST(LLVM_MANDIR)
1768 AC_SUBST(LLVM_CONFIGTIME)
1770 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1771 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1772 LLVM_CONFIGTIME="(timestamp not enabled)"
1775 dnl Place the various directories into the config.h file as #defines so that we
1776 dnl can know about the installation paths within LLVM.
1777 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1778 [Installation prefix directory])
1779 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1780 [Installation directory for binary executables])
1781 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1782 [Installation directory for data files])
1783 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1784 [Installation directory for documentation])
1785 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1786 [Installation directory for config files])
1787 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1788 [Installation directory for include files])
1789 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1790 [Installation directory for .info files])
1791 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1792 [Installation directory for man pages])
1793 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1794 [Time at which LLVM was configured])
1795 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
1796 [Host triple LLVM will be executed on])
1797 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1798 [Target triple LLVM will generate code for by default])
1800 dnl Determine which bindings to build.
1801 if test "$BINDINGS_TO_BUILD" = auto ; then
1802 BINDINGS_TO_BUILD=""
1803 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1804 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1807 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1809 dnl This isn't really configurey, but it avoids having to repeat the list in
1811 AC_SUBST(ALL_BINDINGS,ocaml)
1813 dnl Do any work necessary to ensure that bindings have what they need.
1814 binding_prereqs_failed=0
1815 for a_binding in $BINDINGS_TO_BUILD ; do
1816 case "$a_binding" in
1818 if test "x$OCAMLC" = x ; then
1819 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1820 binding_prereqs_failed=1
1822 if test "x$OCAMLDEP" = x ; then
1823 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1824 binding_prereqs_failed=1
1826 if test "x$OCAMLOPT" = x ; then
1827 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1828 dnl ocamlopt is optional!
1830 if test "x$with_ocaml_libdir" != xauto ; then
1831 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1833 ocaml_stdlib="`"$OCAMLC" -where`"
1834 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1836 # ocaml stdlib is beneath our prefix; use stdlib
1837 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1839 # ocaml stdlib is outside our prefix; use libdir/ocaml
1840 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
1846 if test "$binding_prereqs_failed" = 1 ; then
1847 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1850 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1851 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1853 dnl Determine linker rpath flag
1854 if test "$llvm_cv_link_use_r" = "yes" ; then
1861 dnl Determine linker rdynamic flag
1862 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1863 RDYNAMIC="-Wl,-export-dynamic"
1869 dnl===-----------------------------------------------------------------------===
1871 dnl=== SECTION 10: Specify the output files and generate it
1873 dnl===-----------------------------------------------------------------------===
1875 dnl Configure header files
1876 dnl WARNING: dnl If you add or remove any of the following config headers, then
1877 dnl you MUST also update Makefile so that the variable FilesToConfig
1878 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1879 dnl files can be updated automatically when their *.in sources change.
1880 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1881 AH_TOP([#ifndef CONFIG_H
1885 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1886 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1887 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1888 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1889 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1891 dnl Configure the makefile's configuration data
1892 AC_CONFIG_FILES([Makefile.config])
1894 dnl Configure the RPM spec file for LLVM
1895 AC_CONFIG_FILES([llvm.spec])
1897 dnl Configure doxygen's configuration file
1898 AC_CONFIG_FILES([docs/doxygen.cfg])
1900 dnl Configure clang, if present
1901 if test "${clang_src_root}" = ""; then
1902 clang_src_root="$srcdir/tools/clang"
1904 if test -f ${clang_src_root}/README.txt; then
1905 dnl Use variables to stay under 80 columns.
1906 configh="include/clang/Config/config.h"
1907 doxy="docs/doxygen.cfg"
1908 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1909 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1912 dnl OCaml findlib META file
1913 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1915 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
1916 test "x$program_prefix" = "xNONE" && program_prefix=""
1917 AC_SUBST([program_prefix])
1920 dnl Do special configuration of Makefiles
1921 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1922 AC_CONFIG_MAKEFILE(Makefile)
1923 AC_CONFIG_MAKEFILE(Makefile.common)
1924 AC_CONFIG_MAKEFILE(examples/Makefile)
1925 AC_CONFIG_MAKEFILE(lib/Makefile)
1926 AC_CONFIG_MAKEFILE(runtime/Makefile)
1927 AC_CONFIG_MAKEFILE(test/Makefile)
1928 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1929 AC_CONFIG_MAKEFILE(unittests/Makefile)
1930 AC_CONFIG_MAKEFILE(tools/Makefile)
1931 AC_CONFIG_MAKEFILE(utils/Makefile)
1932 AC_CONFIG_MAKEFILE(projects/Makefile)
1933 AC_CONFIG_MAKEFILE(bindings/Makefile)
1934 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1936 dnl Finally, crank out the output