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],[3.3svn],[http://llvm.org/bugs/])
35 AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API])
36 AC_DEFINE([LLVM_VERSION_MINOR], [3], [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 $llvm_cv_platform_type in
376 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
377 AC_SUBST(LLVM_ON_UNIX,[1])
378 AC_SUBST(LLVM_ON_WIN32,[0])
381 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
382 AC_SUBST(LLVM_ON_UNIX,[0])
383 AC_SUBST(LLVM_ON_WIN32,[1])
387 dnl Determine what our target architecture is and configure accordingly.
388 dnl This will allow Makefiles to make a distinction between the hardware and
390 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
392 i?86-*) llvm_cv_target_arch="x86" ;;
393 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
394 sparc*-*) llvm_cv_target_arch="Sparc" ;;
395 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
396 arm*-*) llvm_cv_target_arch="ARM" ;;
397 aarch64*-*) llvm_cv_target_arch="AArch64" ;;
398 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
399 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
400 xcore-*) llvm_cv_target_arch="XCore" ;;
401 msp430-*) llvm_cv_target_arch="MSP430" ;;
402 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
403 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
404 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
405 *) llvm_cv_target_arch="Unknown" ;;
408 if test "$llvm_cv_target_arch" = "Unknown" ; then
409 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
412 dnl Determine the LLVM native architecture for the target
413 case "$llvm_cv_target_arch" in
414 x86) LLVM_NATIVE_ARCH="X86" ;;
415 x86_64) LLVM_NATIVE_ARCH="X86" ;;
416 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
419 dnl Define a substitution, ARCH, for the target architecture
420 AC_SUBST(ARCH,$llvm_cv_target_arch)
422 dnl Determine what our host architecture.
423 dnl This will allow MCJIT regress tests runs only for supported
426 i?86-*) host_arch="x86" ;;
427 amd64-* | x86_64-*) host_arch="x86_64" ;;
428 sparc*-*) host_arch="Sparc" ;;
429 powerpc*-*) host_arch="PowerPC" ;;
430 arm*-*) host_arch="ARM" ;;
431 aarch64*-*) host_arch="AArch64" ;;
432 mips-* | mips64-*) host_arch="Mips" ;;
433 mipsel-* | mips64el-*) host_arch="Mips" ;;
434 xcore-*) host_arch="XCore" ;;
435 msp430-*) host_arch="MSP430" ;;
436 hexagon-*) host_arch="Hexagon" ;;
437 mblaze-*) host_arch="MBlaze" ;;
438 *) host_arch="Unknown" ;;
441 if test "$host_arch" = "Unknown" ; then
442 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
445 AC_SUBST(HOST_ARCH,$host_arch)
447 dnl Check for the endianness of the target
448 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
450 dnl Check for build platform executable suffix if we're cross-compiling
451 if test "$cross_compiling" = yes; then
452 AC_SUBST(LLVM_CROSS_COMPILING, [1])
454 ac_build_prefix=${build_alias}-
455 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
456 if test -z "$BUILD_CXX"; then
457 AC_CHECK_PROG(BUILD_CXX, g++, g++)
458 if test -z "$BUILD_CXX"; then
459 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
463 AC_SUBST(LLVM_CROSS_COMPILING, [0])
466 dnl Check to see if there's a .svn or .git directory indicating that this
467 dnl build is being done from a checkout. This sets up several defaults for
468 dnl the command line switches. When we build with a checkout directory,
469 dnl we get a debug with assertions turned on. Without, we assume a source
470 dnl release and we get an optimized build without assertions.
471 dnl See --enable-optimized and --enable-assertions below
472 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
475 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
481 dnl===-----------------------------------------------------------------------===
483 dnl=== SECTION 3: Command line arguments for the configure script.
485 dnl===-----------------------------------------------------------------------===
487 dnl --enable-libcpp : check whether or not to use libc++ on the command line
488 AC_ARG_ENABLE(libcpp,
489 AS_HELP_STRING([--enable-libcpp],
490 [Use libc++ if available (default is NO)]),,
493 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
494 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
495 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
496 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
499 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
501 AS_HELP_STRING([--enable-cxx11],
502 [Use c++11 if available (default is NO)]),,
505 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
506 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
507 default) AC_SUBST(ENABLE_CXX11,[0]);;
508 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
511 dnl --enable-clang-arcmt: check whether to enable clang arcmt
513 AC_ARG_ENABLE(clang-arcmt,
514 AS_HELP_STRING([--enable-clang-arcmt],
515 [Enable building of clang ARCMT (default is YES)]),
516 clang_arcmt="$enableval",
519 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
520 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
521 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
522 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
525 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
526 clang_static_analyzer="yes"
527 AC_ARG_ENABLE(clang-static-analyzer,
528 AS_HELP_STRING([--enable-clang-static-analyzer],
529 [Enable building of clang Static Analyzer (default is YES)]),
530 clang_static_analyzer="$enableval",
533 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
534 no) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0]) ;;
535 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
536 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
539 dnl --enable-clang-rewriter: check whether to enable clang rewriter
540 AC_ARG_ENABLE(clang-rewriter,
541 AS_HELP_STRING([--enable-clang-rewriter],
542 [Enable building of clang rewriter (default is YES)]),,
545 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;;
547 if test ${clang_arcmt} != "no" ; then
548 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
550 if test ${clang_static_analyzer} != "no" ; then
551 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
553 AC_SUBST(ENABLE_CLANG_REWRITER,[0])
555 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
556 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
559 dnl --enable-optimized : check whether they want to do an optimized build:
560 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
561 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
562 if test ${enableval} = "no" ; then
563 AC_SUBST(ENABLE_OPTIMIZED,[[]])
565 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
568 dnl --enable-profiling : check whether they want to do a profile build:
569 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
570 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
571 if test ${enableval} = "no" ; then
572 AC_SUBST(ENABLE_PROFILING,[[]])
574 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
577 dnl --enable-assertions : check whether they want to turn on assertions or not:
578 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
579 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
580 if test ${enableval} = "yes" ; then
581 AC_SUBST(DISABLE_ASSERTIONS,[[]])
583 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
586 dnl --enable-werror : check whether we want Werror on by default
587 AC_ARG_ENABLE(werror,AS_HELP_STRING(
588 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
590 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
591 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
592 default) AC_SUBST(ENABLE_WERROR,[0]);;
593 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
596 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
597 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
598 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
599 if test ${enableval} = "yes" ; then
600 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
601 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
603 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
604 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
607 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
608 AC_ARG_ENABLE(debug-runtime,
609 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
610 if test ${enableval} = "no" ; then
611 AC_SUBST(DEBUG_RUNTIME,[[]])
613 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
616 dnl --enable-debug-symbols : should even optimized compiler libraries
617 dnl have debug symbols?
618 AC_ARG_ENABLE(debug-symbols,
619 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)
620 if test ${enableval} = "no" ; then
621 AC_SUBST(DEBUG_SYMBOLS,[[]])
623 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
626 dnl --enable-keep-symbols : do not strip installed executables
627 AC_ARG_ENABLE(keep-symbols,
628 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
629 if test ${enableval} = "no" ; then
630 AC_SUBST(KEEP_SYMBOLS,[[]])
632 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
635 dnl --enable-jit: check whether they want to enable the jit
637 AS_HELP_STRING(--enable-jit,
638 [Enable Just In Time Compiling (default is YES)]),,
640 if test ${enableval} = "no"
644 case "$llvm_cv_target_arch" in
645 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
646 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
647 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
648 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
649 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
650 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
651 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
652 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
653 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
654 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
655 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
656 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
657 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
661 dnl Allow enablement of building and installing docs
663 AS_HELP_STRING([--enable-docs],
664 [Build documents (default is YES)]),,
667 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
668 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
669 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
670 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
673 dnl Allow enablement of doxygen generated documentation
674 AC_ARG_ENABLE(doxygen,
675 AS_HELP_STRING([--enable-doxygen],
676 [Build doxygen documentation (default is NO)]),,
679 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
680 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
681 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
682 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
685 dnl Allow disablement of threads
686 AC_ARG_ENABLE(threads,
687 AS_HELP_STRING([--enable-threads],
688 [Use threads if available (default is YES)]),,
691 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
692 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
693 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
694 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
696 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
697 [Define if threads enabled])
699 dnl Allow disablement of pthread.h
700 AC_ARG_ENABLE(pthreads,
701 AS_HELP_STRING([--enable-pthreads],
702 [Use pthreads if available (default is YES)]),,
705 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
706 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
707 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
708 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
711 dnl Allow building without position independent code
713 AS_HELP_STRING([--enable-pic],
714 [Build LLVM with Position Independent Code (default is YES)]),,
717 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
718 no) AC_SUBST(ENABLE_PIC,[0]) ;;
719 default) AC_SUBST(ENABLE_PIC,[1]) ;;
720 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
722 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
723 [Define if position independent code is enabled])
725 dnl Allow building a shared library and linking tools against it.
726 AC_ARG_ENABLE(shared,
727 AS_HELP_STRING([--enable-shared],
728 [Build a shared library and link tools against it (default is NO)]),,
731 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
732 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
733 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
734 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
737 dnl Allow libstdc++ is embedded in LLVM.dll.
738 AC_ARG_ENABLE(embed-stdcxx,
739 AS_HELP_STRING([--enable-embed-stdcxx],
740 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
743 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
744 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
745 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
746 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
749 dnl Enable embedding timestamp information into build.
750 AC_ARG_ENABLE(timestamps,
751 AS_HELP_STRING([--enable-timestamps],
752 [Enable embedding timestamp information in build (default is YES)]),,
755 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
756 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
757 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
758 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
760 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
761 [Define if timestamp information (e.g., __DATE__) is allowed])
763 dnl Enable embedding timestamp information into build.
765 AC_ARG_ENABLE(backtraces,
766 AS_HELP_STRING([--enable-backtraces],
767 [Enable embedding backtraces on crash (default is YES)]),,
770 yes) AC_SUBST(ENABLE_BACKTRACES,[1]) ;;
771 no) AC_SUBST(ENABLE_BACKTRACES,[0]) ;;
772 default) AC_SUBST(ENABLE_BACKTRACES,[1]) ;;
773 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
775 AC_DEFINE_UNQUOTED([ENABLE_BACKTRACES],$ENABLE_BACKTRACES,
776 [Define if you want backtraces on crash])
778 dnl Allow specific targets to be specified for building (or not)
780 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
781 [Build specific host targets: all or target1,target2,... Valid targets are:
782 host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon,
783 xcore, msp430, nvptx, and cpp (default=all)]),,
785 if test "$enableval" = host-only ; then
789 all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;;
790 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
792 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
793 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
794 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
795 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
796 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
797 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
798 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
799 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
800 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
801 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
802 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
803 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
804 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
805 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
806 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
807 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
808 host) case "$llvm_cv_target_arch" in
809 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
810 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
811 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
812 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
813 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
814 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
815 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
816 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
817 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
818 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
819 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
820 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
821 *) AC_MSG_ERROR([Can not set target to build]) ;;
823 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
829 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
830 [Build experimental host targets: disable or target1,target2,...
831 (default=disable)]),,
834 if test ${enableval} != "disable"
836 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
839 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
841 dnl Determine whether we are building LLVM support for the native architecture.
842 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
843 for a_target in $TARGETS_TO_BUILD; do
844 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
845 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
846 [LLVM architecture name for the native architecture, if available])
847 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
848 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
849 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
850 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
851 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
852 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
854 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
855 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
857 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
858 [LLVM name for the native Target init function, if available])
859 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
860 [LLVM name for the native TargetInfo init function, if available])
861 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
862 [LLVM name for the native target MC init function, if available])
863 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
864 [LLVM name for the native AsmPrinter init function, if available])
865 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
866 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
867 [LLVM name for the native AsmParser init function, if available])
869 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
870 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
871 [LLVM name for the native Disassembler init function, if available])
876 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
877 dnl target feature def files.
879 LLVM_ENUM_ASM_PRINTERS=""
880 LLVM_ENUM_ASM_PARSERS=""
881 LLVM_ENUM_DISASSEMBLERS=""
882 for target_to_build in $TARGETS_TO_BUILD; do
883 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
884 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
885 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
887 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
888 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
890 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
891 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
894 AC_SUBST(LLVM_ENUM_TARGETS)
895 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
896 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
897 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
899 dnl Override the option to use for optimized builds.
900 AC_ARG_WITH(optimize-option,
901 AS_HELP_STRING([--with-optimize-option],
902 [Select the compiler options to use for optimized builds]),,
904 AC_MSG_CHECKING([optimization flags])
907 case "$llvm_cv_os_type" in
908 FreeBSD) optimize_option=-O2 ;;
909 MingW) optimize_option=-O2 ;;
910 *) optimize_option=-O3 ;;
912 *) optimize_option="$withval" ;;
914 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
915 AC_MSG_RESULT([$optimize_option])
917 dnl Specify extra build options
918 AC_ARG_WITH(extra-options,
919 AS_HELP_STRING([--with-extra-options],
920 [Specify additional options to compile LLVM with]),,
923 default) EXTRA_OPTIONS= ;;
924 *) EXTRA_OPTIONS=$withval ;;
926 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
928 dnl Specify extra linker build options
929 AC_ARG_WITH(extra-ld-options,
930 AS_HELP_STRING([--with-extra-ld-options],
931 [Specify additional options to link LLVM with]),,
934 default) EXTRA_LD_OPTIONS= ;;
935 *) EXTRA_LD_OPTIONS=$withval ;;
937 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
939 dnl Allow specific bindings to be specified for building (or not)
940 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
941 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
945 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
946 all ) BINDINGS_TO_BUILD="ocaml" ;;
947 none | no) BINDINGS_TO_BUILD="" ;;
948 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
950 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
951 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
957 dnl Allow the ocaml libdir to be overridden. This could go in a configure
958 dnl script for bindings/ocaml/configure, except that its auto value depends on
959 dnl OCAMLC, which is found here to support tests.
960 AC_ARG_WITH([ocaml-libdir],
961 [AS_HELP_STRING([--with-ocaml-libdir],
962 [Specify install location for ocaml bindings (default is stdlib)])],
966 auto) with_ocaml_libdir="$withval" ;;
967 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
968 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
971 AC_ARG_WITH(clang-srcdir,
972 AS_HELP_STRING([--with-clang-srcdir],
973 [Directory to the out-of-tree Clang source]),,
976 -) clang_src_root="" ;;
977 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
978 *) clang_src_root="$ac_pwd/$withval" ;;
980 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
982 AC_ARG_WITH(clang-resource-dir,
983 AS_HELP_STRING([--with-clang-resource-dir],
984 [Relative directory from the Clang binary for resource files]),,
986 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
987 [Relative directory for resource files])
989 AC_ARG_WITH(c-include-dirs,
990 AS_HELP_STRING([--with-c-include-dirs],
991 [Colon separated list of directories clang will search for headers]),,
993 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
994 [Directories clang will search for headers])
996 # Clang normally uses the system c++ headers and libraries. With this option,
997 # clang will use the ones provided by a gcc installation instead. This option should
998 # be passed the same value that was used with --prefix when configuring gcc.
999 AC_ARG_WITH(gcc-toolchain,
1000 AS_HELP_STRING([--with-gcc-toolchain],
1001 [Directory where gcc is installed.]),,
1003 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1004 [Directory where gcc is installed.])
1006 AC_ARG_WITH(default-sysroot,
1007 AS_HELP_STRING([--with-default-sysroot],
1008 [Add --sysroot=<path> to all compiler invocations.]),,
1010 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1011 [Default <path> to all compiler invocations for --sysroot=<path>.])
1013 dnl Allow linking of LLVM with GPLv3 binutils code.
1014 AC_ARG_WITH(binutils-include,
1015 AS_HELP_STRING([--with-binutils-include],
1016 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1019 default) WITH_BINUTILS_INCDIR=default ;;
1020 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1021 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1023 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1024 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1025 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1026 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1027 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1031 dnl Specify the URL where bug reports should be submitted.
1032 AC_ARG_WITH(bug-report-url,
1033 AS_HELP_STRING([--with-bug-report-url],
1034 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1035 withval="http://llvm.org/bugs/")
1036 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1039 dnl --enable-libffi : check whether the user wants to turn off libffi:
1040 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1041 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1042 [case "$enableval" in
1043 yes) llvm_cv_enable_libffi="yes" ;;
1044 no) llvm_cv_enable_libffi="no" ;;
1045 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1047 llvm_cv_enable_libffi=no)
1049 AC_ARG_WITH(internal-prefix,
1050 AS_HELP_STRING([--with-internal-prefix],
1051 [Installation directory for internal files]),,
1053 AC_SUBST(INTERNAL_PREFIX,[$withval])
1055 dnl===-----------------------------------------------------------------------===
1057 dnl=== SECTION 4: Check for programs we need and that they are the right version
1059 dnl===-----------------------------------------------------------------------===
1064 dnl Check for the tools that the makefiles require
1067 AC_PATH_PROG(CMP, [cmp], [cmp])
1068 AC_PATH_PROG(CP, [cp], [cp])
1069 AC_PATH_PROG(DATE, [date], [date])
1070 AC_PATH_PROG(FIND, [find], [find])
1071 AC_PATH_PROG(GREP, [grep], [grep])
1072 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1073 AC_PATH_PROG(MV, [mv], [mv])
1075 AC_CHECK_TOOL(AR, ar, false)
1076 AC_PATH_PROG(RM, [rm], [rm])
1077 AC_PATH_PROG(SED, [sed], [sed])
1078 AC_PATH_PROG(TAR, [tar], [gtar])
1079 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1081 dnl Looking for misc. graph plotting software
1082 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
1083 if test "$GRAPHVIZ" != "echo Graphviz" ; then
1084 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
1085 dnl If we're targeting for mingw we should emit windows paths, not msys
1086 if test "$llvm_cv_os_type" = "MingW" ; then
1087 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1089 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1090 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1092 AC_PATH_PROG(DOT, [dot], [echo dot])
1093 if test "$DOT" != "echo dot" ; then
1094 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1095 dnl If we're targeting for mingw we should emit windows paths, not msys
1096 if test "$llvm_cv_os_type" = "MingW" ; then
1097 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1099 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1100 [Define to path to dot program if found or 'echo dot' otherwise])
1102 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1103 if test "$FDP" != "echo fdp" ; then
1104 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1105 dnl If we're targeting for mingw we should emit windows paths, not msys
1106 if test "$llvm_cv_os_type" = "MingW" ; then
1107 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1109 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1110 [Define to path to fdp program if found or 'echo fdp' otherwise])
1112 AC_PATH_PROG(NEATO, [neato], [echo neato])
1113 if test "$NEATO" != "echo neato" ; then
1114 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1115 dnl If we're targeting for mingw we should emit windows paths, not msys
1116 if test "$llvm_cv_os_type" = "MingW" ; then
1117 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1119 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1120 [Define to path to neato program if found or 'echo neato' otherwise])
1122 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1123 if test "$TWOPI" != "echo twopi" ; then
1124 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1125 dnl If we're targeting for mingw we should emit windows paths, not msys
1126 if test "$llvm_cv_os_type" = "MingW" ; then
1127 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1129 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1130 [Define to path to twopi program if found or 'echo twopi' otherwise])
1132 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1133 if test "$CIRCO" != "echo circo" ; then
1134 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1135 dnl If we're targeting for mingw we should emit windows paths, not msys
1136 if test "$llvm_cv_os_type" = "MingW" ; then
1137 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1139 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1140 [Define to path to circo program if found or 'echo circo' otherwise])
1142 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1143 if test "$GV" != "echo gv" ; then
1144 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1145 dnl If we're targeting for mingw we should emit windows paths, not msys
1146 if test "$llvm_cv_os_type" = "MingW" ; then
1147 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1149 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1150 [Define to path to gv program if found or 'echo gv' otherwise])
1152 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1153 if test "$DOTTY" != "echo dotty" ; then
1154 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1155 dnl If we're targeting for mingw we should emit windows paths, not msys
1156 if test "$llvm_cv_os_type" = "MingW" ; then
1157 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1159 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1160 [Define to path to dotty program if found or 'echo dotty' otherwise])
1162 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1163 if test "$XDOT_PY" != "echo xdot.py" ; then
1164 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1165 dnl If we're targeting for mingw we should emit windows paths, not msys
1166 if test "$llvm_cv_os_type" = "MingW" ; then
1167 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1169 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1170 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1173 dnl Find the install program
1175 dnl Prepend src dir to install path dir if it's a relative path
1176 dnl This is a hack for installs that take place in something other
1177 dnl than the top level.
1179 [[\\/$]]* | ?:[[\\/]]* ) ;;
1180 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1183 dnl Checks for documentation and testing tools that we can do without. If these
1184 dnl are not found then they are set to "true" which always succeeds but does
1185 dnl nothing. This just lets the build output show that we could have done
1186 dnl something if the tool was available.
1187 AC_PATH_PROG(BZIP2, [bzip2])
1188 AC_PATH_PROG(CAT, [cat])
1189 AC_PATH_PROG(DOXYGEN, [doxygen])
1190 AC_PATH_PROG(GROFF, [groff])
1191 AC_PATH_PROG(GZIPBIN, [gzip])
1192 AC_PATH_PROG(PDFROFF, [pdfroff])
1193 AC_PATH_PROG(ZIP, [zip])
1194 AC_PATH_PROGS(OCAMLC, [ocamlc])
1195 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1196 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1197 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1198 AC_PATH_PROGS(GAS, [gas as])
1200 dnl Get the version of the linker in use.
1203 dnl Determine whether the linker supports the -R option.
1206 dnl Determine whether the linker supports the -export-dynamic option.
1207 AC_LINK_EXPORT_DYNAMIC
1209 dnl Determine whether the linker supports the --version-script option.
1210 AC_LINK_VERSION_SCRIPT
1212 dnl Check for libtool and the library that has dlopen function (which must come
1213 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1218 AC_MSG_CHECKING([tool compatibility])
1220 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1221 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1222 dnl to support those options.
1223 dnl "icc" emits gcc signatures
1224 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1236 if test "$GCC" != "yes" && test "$ICC" != "yes"
1238 AC_MSG_ERROR([gcc|icc required but not found])
1241 dnl Ensure that compilation tools are compatible with GCC extensions
1242 if test "$GXX" != "yes" && test "$IXX" != "yes"
1244 AC_MSG_ERROR([g++|clang++|icc required but not found])
1247 dnl Verify that GCC is version 3.0 or higher
1248 if test "$GCC" = "yes"
1253 #if !defined(__GNUC__) || __GNUC__ < 3
1254 #error Unsupported GCC version
1258 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1261 dnl Check for GNU Make. We use its extensions, so don't build without it
1262 if test -z "$llvm_cv_gnu_make_command"
1264 AC_MSG_ERROR([GNU Make required but not found])
1267 dnl Tool compatibility is okay if we make it here.
1270 dnl Check optional compiler flags.
1271 AC_MSG_CHECKING([optional compiler flags])
1272 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1273 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1274 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1276 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1277 dnl false positives, so disable it.
1279 NO_MAYBE_UNINITIALIZED=
1280 if test "$GXX" = "yes"
1282 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1283 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1284 dnl known to be uninitialized from cases which might be uninitialized. We
1285 dnl still want to catch the first kind of errors.
1286 if test -z "$NO_MAYBE_UNINITIALIZED"
1288 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1291 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
1293 AC_ARG_WITH([python],
1294 [AS_HELP_STRING([--with-python], [path to python])],
1295 [PYTHON="$withval"])
1297 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1298 AC_MSG_CHECKING([for python])
1299 AC_MSG_RESULT([user defined: $with_python])
1301 if test -n "$PYTHON" ; then
1302 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1305 AC_PATH_PROG([PYTHON], [python python2 python26],
1306 [AC_MSG_RESULT([not found])
1307 AC_MSG_ERROR([could not find python 2.5 or higher])])
1310 AC_MSG_CHECKING([for python >= 2.5])
1311 ac_python_version=`$PYTHON -c 'import sys; print sys.version.split()[[0]]'`
1312 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1313 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1314 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1315 if test "$ac_python_version_major" -eq "2" \
1316 && test "$ac_python_version_minor" -ge "5" ; then
1317 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1319 AC_MSG_RESULT([not found])
1320 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5])
1323 dnl===-----------------------------------------------------------------------===
1325 dnl=== SECTION 5: Check for libraries
1327 dnl===-----------------------------------------------------------------------===
1330 if test "$llvm_cv_os_type" = "MingW" ; then
1331 AC_CHECK_LIB(imagehlp, main)
1332 AC_CHECK_LIB(psapi, main)
1335 dnl dlopen() is required for plugin support.
1336 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1337 [Define if dlopen() is available on this platform.]),
1338 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1340 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1341 dnl macros to detect whether clock_gettime is available, this just finds the
1342 dnl right libraries to link with.
1343 AC_SEARCH_LIBS(clock_gettime,rt)
1345 dnl libffi is optional; used to call external functions from the interpreter
1346 if test "$llvm_cv_enable_libffi" = "yes" ; then
1347 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1348 [Define if libffi is available on this platform.]),
1349 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1352 dnl mallinfo is optional; the code can compile (minus features) without it
1353 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1354 [Define if mallinfo() is available on this platform.]))
1356 dnl pthread locking functions are optional - but llvm will not be thread-safe
1358 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1359 AC_CHECK_LIB(pthread, pthread_mutex_init)
1360 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1361 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1362 [Have pthread_mutex_lock]))
1363 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1364 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1365 [Have pthread_rwlock_init]))
1366 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1367 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1368 [Have pthread_getspecific]))
1371 dnl Allow extra x86-disassembler library
1373 AS_HELP_STRING([--with-udis86=<path>],
1374 [Use udis86 external x86 disassembler library]),
1376 AC_SUBST(USE_UDIS86, [1])
1379 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1381 AC_CHECK_LIB(udis86, ud_init, [], [
1382 echo "Error! You need to have libudis86 around."
1386 AC_SUBST(USE_UDIS86, [0]))
1387 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1388 [Define if use udis86 library])
1390 dnl Allow OProfile support for JIT output.
1391 AC_ARG_WITH(oprofile,
1392 AS_HELP_STRING([--with-oprofile=<prefix>],
1393 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1395 AC_SUBST(USE_OPROFILE, [1])
1397 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1399 AC_SUBST(USE_OPROFILE, [0]) ;;
1400 *) llvm_cv_oppath="${withval}/lib/oprofile"
1401 CPPFLAGS="-I${withval}/include";;
1403 case $llvm_cv_os_type in
1405 if test -n "$llvm_cv_oppath" ; then
1406 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1407 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1408 dnl libbfd is not included properly in libopagent in some Debian
1409 dnl versions. If libbfd isn't found at all, we assume opagent works
1411 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1412 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1413 echo "Error! You need to have libopagent around."
1416 AC_CHECK_HEADER([opagent.h], [], [
1417 echo "Error! You need to have opagent.h around."
1422 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1426 AC_SUBST(USE_OPROFILE, [0])
1428 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1429 [Define if we have the oprofile JIT-support library])
1431 dnl Enable support for Intel JIT Events API.
1432 AC_ARG_WITH(intel-jitevents,
1433 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1436 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1437 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1438 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1441 case $llvm_cv_os_type in
1442 Linux|Win32|Cygwin|MingW) ;;
1443 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1446 case "$llvm_cv_target_arch" in
1448 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1452 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1454 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1455 [Define if we have the Intel JIT API runtime support library])
1457 dnl Check for libxml2
1458 dnl Right now we're just checking for the existence, we could also check for a
1459 dnl particular version via --version on xml2-config
1460 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1462 AC_MSG_CHECKING(for libxml2 includes)
1463 if test "x$XML2CONFIG" = "x"; then
1464 AC_MSG_RESULT(xml2-config not found)
1466 LIBXML2_INC=`$XML2CONFIG --cflags`
1467 AC_MSG_RESULT($LIBXML2_INC)
1468 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1469 LIBXML2_LIBS="-lxml2"])
1471 AC_SUBST(LIBXML2_LIBS)
1472 AC_SUBST(LIBXML2_INC)
1474 dnl===-----------------------------------------------------------------------===
1476 dnl=== SECTION 6: Check for header files
1478 dnl===-----------------------------------------------------------------------===
1480 dnl First, use autoconf provided macros for specific headers that we need
1481 dnl We don't check for ancient stuff or things that are guaranteed to be there
1482 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1483 dnl Generally we're looking for POSIX headers.
1485 AC_HEADER_MMAP_ANONYMOUS
1490 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1491 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1492 AC_CHECK_HEADERS([utime.h windows.h])
1493 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1494 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1495 AC_CHECK_HEADERS([valgrind/valgrind.h])
1496 AC_CHECK_HEADERS([fenv.h])
1497 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1498 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1499 AC_CHECK_HEADERS(pthread.h,
1500 AC_SUBST(HAVE_PTHREAD, 1),
1501 AC_SUBST(HAVE_PTHREAD, 0))
1503 AC_SUBST(HAVE_PTHREAD, 0)
1506 dnl Try to find ffi.h.
1507 if test "$llvm_cv_enable_libffi" = "yes" ; then
1508 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1511 dnl Try to find Darwin specific crash reporting libraries.
1512 AC_CHECK_HEADERS([CrashReporterClient.h])
1514 dnl Try to find Darwin specific crash reporting global.
1515 AC_MSG_CHECKING([__crashreporter_info__])
1519 extern const char *__crashreporter_info__;
1521 __crashreporter_info__ = "test";
1527 AC_MSG_RESULT([yes])
1528 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1532 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1535 dnl===-----------------------------------------------------------------------===
1537 dnl=== SECTION 7: Check for types and structures
1539 dnl===-----------------------------------------------------------------------===
1544 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1546 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1547 AC_CHECK_TYPES([uint64_t],,
1548 AC_CHECK_TYPES([u_int64_t],,
1549 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1551 dnl===-----------------------------------------------------------------------===
1553 dnl=== SECTION 8: Check for specific functions needed
1555 dnl===-----------------------------------------------------------------------===
1557 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1558 AC_CHECK_FUNCS([powf fmodf strtof round ])
1559 AC_CHECK_FUNCS([log log2 log10 exp exp2])
1560 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1561 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1562 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1563 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1564 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1565 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1569 dnl Check the declaration "Secure API" on Windows environments.
1570 AC_CHECK_DECLS([strerror_s])
1572 dnl Check symbols in libgcc.a for JIT on Mingw.
1573 if test "$llvm_cv_os_type" = "MingW" ; then
1574 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1575 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1576 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1577 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1579 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1580 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1581 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1582 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1583 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1584 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1585 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1586 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1587 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1588 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1590 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1591 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1594 dnl Check Win32 API EnumerateLoadedModules.
1595 if test "$llvm_cv_os_type" = "MingW" ; then
1596 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1600 #include <windows.h>
1601 #include <imagehlp.h>
1602 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1603 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1607 AC_MSG_RESULT([yes])
1608 llvm_cv_win32_elmcb_pcstr="PCSTR"
1612 llvm_cv_win32_elmcb_pcstr="PSTR"
1614 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1617 dnl Check for variations in the Standard C++ library and STL. These macros are
1618 dnl provided by LLVM in the autoconf/m4 directory.
1622 dnl Check for mmap support.We also need to know if /dev/zero is required to
1623 dnl be opened for allocating RWX memory.
1624 dnl Make sure we aren't attempting to configure for an unknown system
1625 if test "$llvm_cv_platform_type" = "Unix" ; then
1628 AC_NEED_DEV_ZERO_FOR_MMAP
1630 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1632 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1634 if test "$ac_cv_func_mmap_file" = "no"
1636 AC_MSG_WARN([mmap() of files required but not found])
1640 dnl atomic builtins are required for threading support.
1641 AC_MSG_CHECKING(for GCC atomic builtins)
1642 dnl Since we'll be using these atomic builtins in C++ files we should test
1643 dnl the C++ compiler.
1649 volatile unsigned long val = 1;
1650 __sync_synchronize();
1651 __sync_val_compare_and_swap(&val, 1, 0);
1652 __sync_add_and_fetch(&val, 1);
1653 __sync_sub_and_fetch(&val, 1);
1659 AC_MSG_RESULT([yes])
1660 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1664 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1665 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1669 dnl===-----------------------------------------------------------------------===
1671 dnl=== SECTION 9: Additional checks, variables, etc.
1673 dnl===-----------------------------------------------------------------------===
1675 dnl Handle 32-bit linux systems running a 64-bit kernel.
1676 dnl This has to come after section 4 because it invokes the compiler.
1677 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1679 if test "$llvm_cv_linux_mixed" = "yes"; then
1680 llvm_cv_target_arch="x86"
1685 dnl Check whether __dso_handle is present
1686 AC_CHECK_FUNCS([__dso_handle])
1688 dnl Propagate the shared library extension that the libltdl checks did to
1689 dnl the Makefiles so we can use it there too
1690 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1692 dnl Propagate the run-time library path variable that the libltdl
1693 dnl checks found to the Makefiles so we can use it there too
1694 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1696 dnl Translate the various configuration directories and other basic
1697 dnl information into substitutions that will end up in Makefile.config.in
1698 dnl that these configured values can be used by the makefiles
1699 if test "${prefix}" = "NONE" ; then
1702 eval LLVM_PREFIX="${prefix}";
1703 eval LLVM_BINDIR="${prefix}/bin";
1704 eval LLVM_LIBDIR="${prefix}/lib";
1705 eval LLVM_DATADIR="${prefix}/share/llvm";
1706 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1707 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1708 eval LLVM_INCLUDEDIR="${prefix}/include";
1709 eval LLVM_INFODIR="${prefix}/info";
1710 eval LLVM_MANDIR="${prefix}/man";
1711 LLVM_CONFIGTIME=`date`
1712 AC_SUBST(LLVM_PREFIX)
1713 AC_SUBST(LLVM_BINDIR)
1714 AC_SUBST(LLVM_LIBDIR)
1715 AC_SUBST(LLVM_DATADIR)
1716 AC_SUBST(LLVM_DOCSDIR)
1717 AC_SUBST(LLVM_ETCDIR)
1718 AC_SUBST(LLVM_INCLUDEDIR)
1719 AC_SUBST(LLVM_INFODIR)
1720 AC_SUBST(LLVM_MANDIR)
1721 AC_SUBST(LLVM_CONFIGTIME)
1723 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1724 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1725 LLVM_CONFIGTIME="(timestamp not enabled)"
1728 dnl Place the various directories into the config.h file as #defines so that we
1729 dnl can know about the installation paths within LLVM.
1730 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1731 [Installation prefix directory])
1732 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1733 [Installation directory for binary executables])
1734 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1735 [Installation directory for libraries])
1736 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1737 [Installation directory for data files])
1738 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1739 [Installation directory for documentation])
1740 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1741 [Installation directory for config files])
1742 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1743 [Installation directory for include files])
1744 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1745 [Installation directory for .info files])
1746 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1747 [Installation directory for man pages])
1748 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1749 [Time at which LLVM was configured])
1750 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1751 [Host triple LLVM will be executed on])
1752 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1753 [Target triple LLVM will generate code for by default])
1755 dnl Determine which bindings to build.
1756 if test "$BINDINGS_TO_BUILD" = auto ; then
1757 BINDINGS_TO_BUILD=""
1758 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1759 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1762 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1764 dnl This isn't really configurey, but it avoids having to repeat the list in
1766 AC_SUBST(ALL_BINDINGS,ocaml)
1768 dnl Do any work necessary to ensure that bindings have what they need.
1769 binding_prereqs_failed=0
1770 for a_binding in $BINDINGS_TO_BUILD ; do
1771 case "$a_binding" in
1773 if test "x$OCAMLC" = x ; then
1774 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1775 binding_prereqs_failed=1
1777 if test "x$OCAMLDEP" = x ; then
1778 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1779 binding_prereqs_failed=1
1781 if test "x$OCAMLOPT" = x ; then
1782 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1783 dnl ocamlopt is optional!
1785 if test "x$with_ocaml_libdir" != xauto ; then
1786 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1788 ocaml_stdlib="`"$OCAMLC" -where`"
1789 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1791 # ocaml stdlib is beneath our prefix; use stdlib
1792 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1794 # ocaml stdlib is outside our prefix; use libdir/ocaml
1795 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1801 if test "$binding_prereqs_failed" = 1 ; then
1802 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1805 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1806 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1808 dnl Determine linker rpath flag
1809 if test "$llvm_cv_link_use_r" = "yes" ; then
1816 dnl Determine linker rdynamic flag
1817 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1818 RDYNAMIC="-Wl,-export-dynamic"
1824 dnl===-----------------------------------------------------------------------===
1826 dnl=== SECTION 10: Specify the output files and generate it
1828 dnl===-----------------------------------------------------------------------===
1830 dnl Configure header files
1831 dnl WARNING: dnl If you add or remove any of the following config headers, then
1832 dnl you MUST also update Makefile so that the variable FilesToConfig
1833 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1834 dnl files can be updated automatically when their *.in sources change.
1835 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1836 AH_TOP([#ifndef CONFIG_H
1840 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1841 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1842 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1843 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1844 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1846 dnl Configure the makefile's configuration data
1847 AC_CONFIG_FILES([Makefile.config])
1849 dnl Configure the RPM spec file for LLVM
1850 AC_CONFIG_FILES([llvm.spec])
1852 dnl Configure doxygen's configuration file
1853 AC_CONFIG_FILES([docs/doxygen.cfg])
1855 dnl Configure clang, if present
1856 if test "${clang_src_root}" = ""; then
1857 clang_src_root="$srcdir/tools/clang"
1859 if test -f ${clang_src_root}/README.txt; then
1860 dnl Use variables to stay under 80 columns.
1861 configh="include/clang/Config/config.h"
1862 doxy="docs/doxygen.cfg"
1863 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1864 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1867 dnl OCaml findlib META file
1868 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1870 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
1871 test "x$program_prefix" = "xNONE" && program_prefix=""
1872 AC_SUBST([program_prefix])
1875 dnl Do special configuration of Makefiles
1876 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1877 AC_CONFIG_MAKEFILE(Makefile)
1878 AC_CONFIG_MAKEFILE(Makefile.common)
1879 AC_CONFIG_MAKEFILE(examples/Makefile)
1880 AC_CONFIG_MAKEFILE(lib/Makefile)
1881 AC_CONFIG_MAKEFILE(runtime/Makefile)
1882 AC_CONFIG_MAKEFILE(test/Makefile)
1883 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1884 AC_CONFIG_MAKEFILE(unittests/Makefile)
1885 AC_CONFIG_MAKEFILE(tools/Makefile)
1886 AC_CONFIG_MAKEFILE(utils/Makefile)
1887 AC_CONFIG_MAKEFILE(projects/Makefile)
1888 AC_CONFIG_MAKEFILE(bindings/Makefile)
1889 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1891 dnl Finally, crank out the output