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 "${srcdir}/.git"; then
477 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
483 dnl===-----------------------------------------------------------------------===
485 dnl=== SECTION 3: Command line arguments for the configure script.
487 dnl===-----------------------------------------------------------------------===
489 dnl --enable-libcpp : check whether or not to use libc++ on the command line
490 AC_ARG_ENABLE(libcpp,
491 AS_HELP_STRING([--enable-libcpp],
492 [Use libc++ if available (default is NO)]),,
495 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
496 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
497 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
498 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
501 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
503 AS_HELP_STRING([--enable-cxx11],
504 [Use c++11 if available (default is NO)]),,
507 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
508 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
509 default) AC_SUBST(ENABLE_CXX11,[0]);;
510 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
513 dnl --enable-clang-arcmt: check whether to enable clang arcmt
515 AC_ARG_ENABLE(clang-arcmt,
516 AS_HELP_STRING([--enable-clang-arcmt],
517 [Enable building of clang ARCMT (default is YES)]),
518 clang_arcmt="$enableval",
521 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
522 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
523 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
524 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
527 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
528 clang_static_analyzer="yes"
529 AC_ARG_ENABLE(clang-static-analyzer,
530 AS_HELP_STRING([--enable-clang-static-analyzer],
531 [Enable building of clang Static Analyzer (default is YES)]),
532 clang_static_analyzer="$enableval",
535 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
536 no) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0]) ;;
537 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
538 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
541 dnl --enable-clang-rewriter: check whether to enable clang rewriter
542 AC_ARG_ENABLE(clang-rewriter,
543 AS_HELP_STRING([--enable-clang-rewriter],
544 [Enable building of clang rewriter (default is YES)]),,
547 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;;
549 if test ${clang_arcmt} != "no" ; then
550 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
552 if test ${clang_static_analyzer} != "no" ; then
553 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
555 AC_SUBST(ENABLE_CLANG_REWRITER,[0])
557 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
558 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
561 dnl --enable-optimized : check whether they want to do an optimized build:
562 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
563 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
564 if test ${enableval} = "no" ; then
565 AC_SUBST(ENABLE_OPTIMIZED,[[]])
567 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
570 dnl --enable-profiling : check whether they want to do a profile build:
571 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
572 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
573 if test ${enableval} = "no" ; then
574 AC_SUBST(ENABLE_PROFILING,[[]])
576 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
579 dnl --enable-assertions : check whether they want to turn on assertions or not:
580 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
581 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
582 if test ${enableval} = "yes" ; then
583 AC_SUBST(DISABLE_ASSERTIONS,[[]])
585 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
588 dnl --enable-werror : check whether we want Werror on by default
589 AC_ARG_ENABLE(werror,AS_HELP_STRING(
590 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
592 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
593 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
594 default) AC_SUBST(ENABLE_WERROR,[0]);;
595 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
598 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
599 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
600 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
601 if test ${enableval} = "yes" ; then
602 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
603 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
605 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
606 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
609 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
610 AC_ARG_ENABLE(debug-runtime,
611 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
612 if test ${enableval} = "no" ; then
613 AC_SUBST(DEBUG_RUNTIME,[[]])
615 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
618 dnl --enable-debug-symbols : should even optimized compiler libraries
619 dnl have debug symbols?
620 AC_ARG_ENABLE(debug-symbols,
621 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)
622 if test ${enableval} = "no" ; then
623 AC_SUBST(DEBUG_SYMBOLS,[[]])
625 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
628 dnl --enable-keep-symbols : do not strip installed executables
629 AC_ARG_ENABLE(keep-symbols,
630 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
631 if test ${enableval} = "no" ; then
632 AC_SUBST(KEEP_SYMBOLS,[[]])
634 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
637 dnl --enable-jit: check whether they want to enable the jit
639 AS_HELP_STRING(--enable-jit,
640 [Enable Just In Time Compiling (default is YES)]),,
642 if test ${enableval} = "no"
646 case "$llvm_cv_target_arch" in
647 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
648 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
649 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
650 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
651 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
652 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
653 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
654 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
655 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
656 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
657 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
658 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
659 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
660 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
664 dnl Allow enablement of building and installing docs
666 AS_HELP_STRING([--enable-docs],
667 [Build documents (default is YES)]),,
670 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
671 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
672 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
673 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
676 dnl Allow enablement of doxygen generated documentation
677 AC_ARG_ENABLE(doxygen,
678 AS_HELP_STRING([--enable-doxygen],
679 [Build doxygen documentation (default is NO)]),,
682 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
683 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
684 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
685 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
688 dnl Allow disablement of threads
689 AC_ARG_ENABLE(threads,
690 AS_HELP_STRING([--enable-threads],
691 [Use threads if available (default is YES)]),,
694 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
695 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
696 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
697 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
699 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
700 [Define if threads enabled])
702 dnl Allow disablement of pthread.h
703 AC_ARG_ENABLE(pthreads,
704 AS_HELP_STRING([--enable-pthreads],
705 [Use pthreads if available (default is YES)]),,
708 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
709 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
710 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
711 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
714 dnl Allow disablement of zlib
716 AS_HELP_STRING([--enable-zlib],
717 [Use zlib for compression/decompression if
718 available (default is YES)]),,
721 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
722 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
723 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
724 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
726 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
727 [Define if zlib is enabled])
729 dnl Allow building without position independent code
731 AS_HELP_STRING([--enable-pic],
732 [Build LLVM with Position Independent Code (default is YES)]),,
735 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
736 no) AC_SUBST(ENABLE_PIC,[0]) ;;
737 default) AC_SUBST(ENABLE_PIC,[1]) ;;
738 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
740 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
741 [Define if position independent code is enabled])
743 dnl Allow building a shared library and linking tools against it.
744 AC_ARG_ENABLE(shared,
745 AS_HELP_STRING([--enable-shared],
746 [Build a shared library and link tools against it (default is NO)]),,
749 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
750 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
751 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
752 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
755 dnl Allow libstdc++ is embedded in LLVM.dll.
756 AC_ARG_ENABLE(embed-stdcxx,
757 AS_HELP_STRING([--enable-embed-stdcxx],
758 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
761 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
762 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
763 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
764 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
767 dnl Enable embedding timestamp information into build.
768 AC_ARG_ENABLE(timestamps,
769 AS_HELP_STRING([--enable-timestamps],
770 [Enable embedding timestamp information in build (default is YES)]),,
773 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
774 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
775 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
776 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
778 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
779 [Define if timestamp information (e.g., __DATE__) is allowed])
781 dnl Enable embedding timestamp information into build.
783 AC_ARG_ENABLE(backtraces,
784 AS_HELP_STRING([--enable-backtraces],
785 [Enable embedding backtraces on crash (default is YES)]),,
788 yes) AC_SUBST(ENABLE_BACKTRACES,[1]) ;;
789 no) AC_SUBST(ENABLE_BACKTRACES,[0]) ;;
790 default) AC_SUBST(ENABLE_BACKTRACES,[1]) ;;
791 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
793 AC_DEFINE_UNQUOTED([ENABLE_BACKTRACES],$ENABLE_BACKTRACES,
794 [Define if you want backtraces on crash])
796 dnl Allow specific targets to be specified for building (or not)
798 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
799 [Build specific host targets: all or target1,target2,... Valid targets are:
800 host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon,
801 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
803 if test "$enableval" = host-only ; then
807 all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend MBlaze NVPTX Hexagon SystemZ R600" ;;
808 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
810 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
811 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
812 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
813 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
814 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
815 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
816 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
817 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
818 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
819 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
820 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
821 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
822 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
823 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
824 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
825 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
826 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
827 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
828 host) case "$llvm_cv_target_arch" in
829 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
830 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
831 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
832 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
833 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
834 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
835 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
836 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
837 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
838 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
839 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
840 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
841 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
842 *) AC_MSG_ERROR([Can not set target to build]) ;;
844 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
850 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
851 [Build experimental host targets: disable or target1,target2,...
852 (default=disable)]),,
855 if test ${enableval} != "disable"
857 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
860 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
862 dnl Determine whether we are building LLVM support for the native architecture.
863 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
864 for a_target in $TARGETS_TO_BUILD; do
865 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
866 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
867 [LLVM architecture name for the native architecture, if available])
868 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
869 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
870 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
871 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
872 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
873 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
875 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
876 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
878 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
879 [LLVM name for the native Target init function, if available])
880 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
881 [LLVM name for the native TargetInfo init function, if available])
882 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
883 [LLVM name for the native target MC init function, if available])
884 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
885 [LLVM name for the native AsmPrinter init function, if available])
886 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
887 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
888 [LLVM name for the native AsmParser init function, if available])
890 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
891 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
892 [LLVM name for the native Disassembler init function, if available])
897 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
898 dnl target feature def files.
900 LLVM_ENUM_ASM_PRINTERS=""
901 LLVM_ENUM_ASM_PARSERS=""
902 LLVM_ENUM_DISASSEMBLERS=""
903 for target_to_build in $TARGETS_TO_BUILD; do
904 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
905 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
906 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
908 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
909 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
911 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
912 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
915 AC_SUBST(LLVM_ENUM_TARGETS)
916 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
917 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
918 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
920 dnl Override the option to use for optimized builds.
921 AC_ARG_WITH(optimize-option,
922 AS_HELP_STRING([--with-optimize-option],
923 [Select the compiler options to use for optimized builds]),,
925 AC_MSG_CHECKING([optimization flags])
928 case "$llvm_cv_os_type" in
929 FreeBSD) optimize_option=-O2 ;;
930 MingW) optimize_option=-O2 ;;
931 *) optimize_option=-O3 ;;
933 *) optimize_option="$withval" ;;
935 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
936 AC_MSG_RESULT([$optimize_option])
938 dnl Specify extra build options
939 AC_ARG_WITH(extra-options,
940 AS_HELP_STRING([--with-extra-options],
941 [Specify additional options to compile LLVM with]),,
944 default) EXTRA_OPTIONS= ;;
945 *) EXTRA_OPTIONS=$withval ;;
947 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
949 dnl Specify extra linker build options
950 AC_ARG_WITH(extra-ld-options,
951 AS_HELP_STRING([--with-extra-ld-options],
952 [Specify additional options to link LLVM with]),,
955 default) EXTRA_LD_OPTIONS= ;;
956 *) EXTRA_LD_OPTIONS=$withval ;;
958 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
960 dnl Allow specific bindings to be specified for building (or not)
961 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
962 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
966 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
967 all ) BINDINGS_TO_BUILD="ocaml" ;;
968 none | no) BINDINGS_TO_BUILD="" ;;
969 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
971 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
972 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
978 dnl Allow the ocaml libdir to be overridden. This could go in a configure
979 dnl script for bindings/ocaml/configure, except that its auto value depends on
980 dnl OCAMLC, which is found here to support tests.
981 AC_ARG_WITH([ocaml-libdir],
982 [AS_HELP_STRING([--with-ocaml-libdir],
983 [Specify install location for ocaml bindings (default is stdlib)])],
987 auto) with_ocaml_libdir="$withval" ;;
988 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
989 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
992 AC_ARG_WITH(clang-srcdir,
993 AS_HELP_STRING([--with-clang-srcdir],
994 [Directory to the out-of-tree Clang source]),,
997 -) clang_src_root="" ;;
998 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
999 *) clang_src_root="$ac_pwd/$withval" ;;
1001 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1003 AC_ARG_WITH(clang-resource-dir,
1004 AS_HELP_STRING([--with-clang-resource-dir],
1005 [Relative directory from the Clang binary for resource files]),,
1007 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1008 [Relative directory for resource files])
1010 AC_ARG_WITH(c-include-dirs,
1011 AS_HELP_STRING([--with-c-include-dirs],
1012 [Colon separated list of directories clang will search for headers]),,
1014 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1015 [Directories clang will search for headers])
1017 # Clang normally uses the system c++ headers and libraries. With this option,
1018 # clang will use the ones provided by a gcc installation instead. This option should
1019 # be passed the same value that was used with --prefix when configuring gcc.
1020 AC_ARG_WITH(gcc-toolchain,
1021 AS_HELP_STRING([--with-gcc-toolchain],
1022 [Directory where gcc is installed.]),,
1024 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1025 [Directory where gcc is installed.])
1027 AC_ARG_WITH(default-sysroot,
1028 AS_HELP_STRING([--with-default-sysroot],
1029 [Add --sysroot=<path> to all compiler invocations.]),,
1031 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1032 [Default <path> to all compiler invocations for --sysroot=<path>.])
1034 dnl Allow linking of LLVM with GPLv3 binutils code.
1035 AC_ARG_WITH(binutils-include,
1036 AS_HELP_STRING([--with-binutils-include],
1037 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1040 default) WITH_BINUTILS_INCDIR=default ;;
1041 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1042 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1044 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1045 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1046 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1047 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1048 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1052 dnl Specify the URL where bug reports should be submitted.
1053 AC_ARG_WITH(bug-report-url,
1054 AS_HELP_STRING([--with-bug-report-url],
1055 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1056 withval="http://llvm.org/bugs/")
1057 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1060 dnl --enable-libffi : check whether the user wants to turn off libffi:
1061 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1062 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1063 [case "$enableval" in
1064 yes) llvm_cv_enable_libffi="yes" ;;
1065 no) llvm_cv_enable_libffi="no" ;;
1066 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1068 llvm_cv_enable_libffi=no)
1070 AC_ARG_WITH(internal-prefix,
1071 AS_HELP_STRING([--with-internal-prefix],
1072 [Installation directory for internal files]),,
1074 AC_SUBST(INTERNAL_PREFIX,[$withval])
1076 dnl===-----------------------------------------------------------------------===
1078 dnl=== SECTION 4: Check for programs we need and that they are the right version
1080 dnl===-----------------------------------------------------------------------===
1085 dnl Check for the tools that the makefiles require
1088 AC_PATH_PROG(CMP, [cmp], [cmp])
1089 AC_PATH_PROG(CP, [cp], [cp])
1090 AC_PATH_PROG(DATE, [date], [date])
1091 AC_PATH_PROG(FIND, [find], [find])
1092 AC_PATH_PROG(GREP, [grep], [grep])
1093 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1094 AC_PATH_PROG(MV, [mv], [mv])
1096 AC_CHECK_TOOL(AR, ar, false)
1097 AC_PATH_PROG(RM, [rm], [rm])
1098 AC_PATH_PROG(SED, [sed], [sed])
1099 AC_PATH_PROG(TAR, [tar], [gtar])
1100 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1102 dnl Looking for misc. graph plotting software
1103 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
1104 if test "$GRAPHVIZ" != "echo Graphviz" ; then
1105 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
1106 dnl If we're targeting for mingw we should emit windows paths, not msys
1107 if test "$llvm_cv_os_type" = "MingW" ; then
1108 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1110 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1111 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1113 AC_PATH_PROG(DOT, [dot], [echo dot])
1114 if test "$DOT" != "echo dot" ; then
1115 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1116 dnl If we're targeting for mingw we should emit windows paths, not msys
1117 if test "$llvm_cv_os_type" = "MingW" ; then
1118 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1120 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1121 [Define to path to dot program if found or 'echo dot' otherwise])
1123 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1124 if test "$FDP" != "echo fdp" ; then
1125 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1126 dnl If we're targeting for mingw we should emit windows paths, not msys
1127 if test "$llvm_cv_os_type" = "MingW" ; then
1128 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1130 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1131 [Define to path to fdp program if found or 'echo fdp' otherwise])
1133 AC_PATH_PROG(NEATO, [neato], [echo neato])
1134 if test "$NEATO" != "echo neato" ; then
1135 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1136 dnl If we're targeting for mingw we should emit windows paths, not msys
1137 if test "$llvm_cv_os_type" = "MingW" ; then
1138 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1140 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1141 [Define to path to neato program if found or 'echo neato' otherwise])
1143 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1144 if test "$TWOPI" != "echo twopi" ; then
1145 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1146 dnl If we're targeting for mingw we should emit windows paths, not msys
1147 if test "$llvm_cv_os_type" = "MingW" ; then
1148 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1150 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1151 [Define to path to twopi program if found or 'echo twopi' otherwise])
1153 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1154 if test "$CIRCO" != "echo circo" ; then
1155 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1156 dnl If we're targeting for mingw we should emit windows paths, not msys
1157 if test "$llvm_cv_os_type" = "MingW" ; then
1158 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1160 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1161 [Define to path to circo program if found or 'echo circo' otherwise])
1163 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1164 if test "$GV" != "echo gv" ; then
1165 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1166 dnl If we're targeting for mingw we should emit windows paths, not msys
1167 if test "$llvm_cv_os_type" = "MingW" ; then
1168 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1170 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1171 [Define to path to gv program if found or 'echo gv' otherwise])
1173 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1174 if test "$DOTTY" != "echo dotty" ; then
1175 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1176 dnl If we're targeting for mingw we should emit windows paths, not msys
1177 if test "$llvm_cv_os_type" = "MingW" ; then
1178 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1180 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1181 [Define to path to dotty program if found or 'echo dotty' otherwise])
1183 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1184 if test "$XDOT_PY" != "echo xdot.py" ; then
1185 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1186 dnl If we're targeting for mingw we should emit windows paths, not msys
1187 if test "$llvm_cv_os_type" = "MingW" ; then
1188 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1190 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1191 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1194 dnl Find the install program
1196 dnl Prepend src dir to install path dir if it's a relative path
1197 dnl This is a hack for installs that take place in something other
1198 dnl than the top level.
1200 [[\\/$]]* | ?:[[\\/]]* ) ;;
1201 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1204 dnl Checks for documentation and testing tools that we can do without. If these
1205 dnl are not found then they are set to "true" which always succeeds but does
1206 dnl nothing. This just lets the build output show that we could have done
1207 dnl something if the tool was available.
1208 AC_PATH_PROG(BZIP2, [bzip2])
1209 AC_PATH_PROG(CAT, [cat])
1210 AC_PATH_PROG(DOXYGEN, [doxygen])
1211 AC_PATH_PROG(GROFF, [groff])
1212 AC_PATH_PROG(GZIPBIN, [gzip])
1213 AC_PATH_PROG(PDFROFF, [pdfroff])
1214 AC_PATH_PROG(ZIP, [zip])
1215 AC_PATH_PROGS(OCAMLC, [ocamlc])
1216 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1217 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1218 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1219 AC_PATH_PROGS(GAS, [gas as])
1221 dnl Get the version of the linker in use.
1224 dnl Determine whether the linker supports the -R option.
1227 dnl Determine whether the linker supports the -export-dynamic option.
1228 AC_LINK_EXPORT_DYNAMIC
1230 dnl Determine whether the linker supports the --version-script option.
1231 AC_LINK_VERSION_SCRIPT
1233 dnl Check for libtool and the library that has dlopen function (which must come
1234 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1239 AC_MSG_CHECKING([tool compatibility])
1241 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1242 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1243 dnl to support those options.
1244 dnl "icc" emits gcc signatures
1245 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1257 if test "$GCC" != "yes" && test "$ICC" != "yes"
1259 AC_MSG_ERROR([gcc|icc required but not found])
1262 dnl Ensure that compilation tools are compatible with GCC extensions
1263 if test "$GXX" != "yes" && test "$IXX" != "yes"
1265 AC_MSG_ERROR([g++|clang++|icc required but not found])
1268 dnl Verify that GCC is version 3.0 or higher
1269 if test "$GCC" = "yes"
1274 #if !defined(__GNUC__) || __GNUC__ < 3
1275 #error Unsupported GCC version
1279 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1282 dnl Check for GNU Make. We use its extensions, so don't build without it
1283 if test -z "$llvm_cv_gnu_make_command"
1285 AC_MSG_ERROR([GNU Make required but not found])
1288 dnl Tool compatibility is okay if we make it here.
1291 dnl Check optional compiler flags.
1292 AC_MSG_CHECKING([optional compiler flags])
1293 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1294 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1295 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1297 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1298 dnl false positives, so disable it.
1300 NO_MAYBE_UNINITIALIZED=
1301 if test "$GXX" = "yes"
1303 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1304 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1305 dnl known to be uninitialized from cases which might be uninitialized. We
1306 dnl still want to catch the first kind of errors.
1307 if test -z "$NO_MAYBE_UNINITIALIZED"
1309 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1312 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
1314 AC_ARG_WITH([python],
1315 [AS_HELP_STRING([--with-python], [path to python])],
1316 [PYTHON="$withval"])
1318 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1319 AC_MSG_CHECKING([for python])
1320 AC_MSG_RESULT([user defined: $with_python])
1322 if test -n "$PYTHON" ; then
1323 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1326 AC_PATH_PROG([PYTHON], [python python2 python26],
1327 [AC_MSG_RESULT([not found])
1328 AC_MSG_ERROR([could not find python 2.5 or higher])])
1331 AC_MSG_CHECKING([for python >= 2.5])
1332 ac_python_version=`$PYTHON -c 'import sys; print sys.version.split()[[0]]'`
1333 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1334 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1335 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1336 if test "$ac_python_version_major" -eq "2" \
1337 && test "$ac_python_version_minor" -ge "5" ; then
1338 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1340 AC_MSG_RESULT([not found])
1341 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5])
1344 dnl===-----------------------------------------------------------------------===
1346 dnl=== SECTION 5: Check for libraries
1348 dnl===-----------------------------------------------------------------------===
1351 if test "$llvm_cv_os_type" = "MingW" ; then
1352 AC_CHECK_LIB(imagehlp, main)
1353 AC_CHECK_LIB(psapi, main)
1356 dnl dlopen() is required for plugin support.
1357 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1358 [Define if dlopen() is available on this platform.]),
1359 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1361 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1362 dnl macros to detect whether clock_gettime is available, this just finds the
1363 dnl right libraries to link with.
1364 AC_SEARCH_LIBS(clock_gettime,rt)
1366 dnl libffi is optional; used to call external functions from the interpreter
1367 if test "$llvm_cv_enable_libffi" = "yes" ; then
1368 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1369 [Define if libffi is available on this platform.]),
1370 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1373 dnl mallinfo is optional; the code can compile (minus features) without it
1374 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1375 [Define if mallinfo() is available on this platform.]))
1377 dnl pthread locking functions are optional - but llvm will not be thread-safe
1379 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1380 AC_CHECK_LIB(pthread, pthread_mutex_init)
1381 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1382 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1383 [Have pthread_mutex_lock]))
1384 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1385 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1386 [Have pthread_rwlock_init]))
1387 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1388 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1389 [Have pthread_getspecific]))
1392 dnl zlib is optional; used for compression/uncompression
1393 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1394 AC_CHECK_LIB(z, compress2)
1397 dnl Allow extra x86-disassembler library
1399 AS_HELP_STRING([--with-udis86=<path>],
1400 [Use udis86 external x86 disassembler library]),
1402 AC_SUBST(USE_UDIS86, [1])
1405 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1407 AC_CHECK_LIB(udis86, ud_init, [], [
1408 echo "Error! You need to have libudis86 around."
1412 AC_SUBST(USE_UDIS86, [0]))
1413 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1414 [Define if use udis86 library])
1416 dnl Allow OProfile support for JIT output.
1417 AC_ARG_WITH(oprofile,
1418 AS_HELP_STRING([--with-oprofile=<prefix>],
1419 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1421 AC_SUBST(USE_OPROFILE, [1])
1423 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1425 AC_SUBST(USE_OPROFILE, [0]) ;;
1426 *) llvm_cv_oppath="${withval}/lib/oprofile"
1427 CPPFLAGS="-I${withval}/include";;
1429 case $llvm_cv_os_type in
1431 if test -n "$llvm_cv_oppath" ; then
1432 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1433 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1434 dnl libbfd is not included properly in libopagent in some Debian
1435 dnl versions. If libbfd isn't found at all, we assume opagent works
1437 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1438 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1439 echo "Error! You need to have libopagent around."
1442 AC_CHECK_HEADER([opagent.h], [], [
1443 echo "Error! You need to have opagent.h around."
1448 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1452 AC_SUBST(USE_OPROFILE, [0])
1454 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1455 [Define if we have the oprofile JIT-support library])
1457 dnl Enable support for Intel JIT Events API.
1458 AC_ARG_WITH(intel-jitevents,
1459 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1462 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1463 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1464 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1467 case $llvm_cv_os_type in
1468 Linux|Win32|Cygwin|MingW) ;;
1469 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1472 case "$llvm_cv_target_arch" in
1474 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1478 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1480 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1481 [Define if we have the Intel JIT API runtime support library])
1483 dnl Check for libxml2
1484 dnl Right now we're just checking for the existence, we could also check for a
1485 dnl particular version via --version on xml2-config
1486 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1488 AC_MSG_CHECKING(for libxml2 includes)
1489 if test "x$XML2CONFIG" = "x"; then
1490 AC_MSG_RESULT(xml2-config not found)
1492 LIBXML2_INC=`$XML2CONFIG --cflags`
1493 AC_MSG_RESULT($LIBXML2_INC)
1494 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1495 LIBXML2_LIBS="-lxml2"])
1497 AC_SUBST(LIBXML2_LIBS)
1498 AC_SUBST(LIBXML2_INC)
1500 dnl===-----------------------------------------------------------------------===
1502 dnl=== SECTION 6: Check for header files
1504 dnl===-----------------------------------------------------------------------===
1506 dnl First, use autoconf provided macros for specific headers that we need
1507 dnl We don't check for ancient stuff or things that are guaranteed to be there
1508 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1509 dnl Generally we're looking for POSIX headers.
1511 AC_HEADER_MMAP_ANONYMOUS
1517 AC_CHECK_HEADERS([cxxabi.h])
1519 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1520 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1521 AC_CHECK_HEADERS([utime.h windows.h])
1522 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1523 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1524 AC_CHECK_HEADERS([valgrind/valgrind.h])
1525 AC_CHECK_HEADERS([fenv.h])
1526 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1527 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1528 AC_CHECK_HEADERS(pthread.h,
1529 AC_SUBST(HAVE_PTHREAD, 1),
1530 AC_SUBST(HAVE_PTHREAD, 0))
1532 AC_SUBST(HAVE_PTHREAD, 0)
1534 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1535 AC_CHECK_HEADERS(zlib.h,
1536 AC_SUBST(HAVE_LIBZ, 1),
1537 AC_SUBST(HAVE_LIBZ, 0))
1539 AC_SUBST(HAVE_LIBZ, 0)
1542 dnl Try to find ffi.h.
1543 if test "$llvm_cv_enable_libffi" = "yes" ; then
1544 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1547 dnl Try to find Darwin specific crash reporting libraries.
1548 AC_CHECK_HEADERS([CrashReporterClient.h])
1550 dnl Try to find Darwin specific crash reporting global.
1551 AC_MSG_CHECKING([__crashreporter_info__])
1555 extern const char *__crashreporter_info__;
1557 __crashreporter_info__ = "test";
1563 AC_MSG_RESULT([yes])
1564 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1568 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1571 dnl===-----------------------------------------------------------------------===
1573 dnl=== SECTION 7: Check for types and structures
1575 dnl===-----------------------------------------------------------------------===
1580 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1582 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1583 AC_CHECK_TYPES([uint64_t],,
1584 AC_CHECK_TYPES([u_int64_t],,
1585 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1587 dnl===-----------------------------------------------------------------------===
1589 dnl=== SECTION 8: Check for specific functions needed
1591 dnl===-----------------------------------------------------------------------===
1593 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1594 AC_CHECK_FUNCS([powf fmodf strtof round ])
1595 AC_CHECK_FUNCS([log log2 log10 exp exp2])
1596 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1597 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1598 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1599 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1600 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1601 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1605 dnl Check the declaration "Secure API" on Windows environments.
1606 AC_CHECK_DECLS([strerror_s])
1608 dnl Check symbols in libgcc.a for JIT on Mingw.
1609 if test "$llvm_cv_os_type" = "MingW" ; then
1610 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1611 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1612 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1613 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1615 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1616 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1617 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1618 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1619 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1620 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1621 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1622 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1623 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1624 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1626 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1627 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1630 dnl Check Win32 API EnumerateLoadedModules.
1631 if test "$llvm_cv_os_type" = "MingW" ; then
1632 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1636 #include <windows.h>
1637 #include <imagehlp.h>
1638 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1639 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1643 AC_MSG_RESULT([yes])
1644 llvm_cv_win32_elmcb_pcstr="PCSTR"
1648 llvm_cv_win32_elmcb_pcstr="PSTR"
1650 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1653 dnl Check for variations in the Standard C++ library and STL. These macros are
1654 dnl provided by LLVM in the autoconf/m4 directory.
1658 dnl Check for mmap support.We also need to know if /dev/zero is required to
1659 dnl be opened for allocating RWX memory.
1660 dnl Make sure we aren't attempting to configure for an unknown system
1661 if test "$llvm_cv_platform_type" = "Unix" ; then
1664 AC_NEED_DEV_ZERO_FOR_MMAP
1666 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1668 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1670 if test "$ac_cv_func_mmap_file" = "no"
1672 AC_MSG_WARN([mmap() of files required but not found])
1676 dnl atomic builtins are required for threading support.
1677 AC_MSG_CHECKING(for GCC atomic builtins)
1678 dnl Since we'll be using these atomic builtins in C++ files we should test
1679 dnl the C++ compiler.
1685 volatile unsigned long val = 1;
1686 __sync_synchronize();
1687 __sync_val_compare_and_swap(&val, 1, 0);
1688 __sync_add_and_fetch(&val, 1);
1689 __sync_sub_and_fetch(&val, 1);
1695 AC_MSG_RESULT([yes])
1696 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1700 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1701 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1705 dnl===-----------------------------------------------------------------------===
1707 dnl=== SECTION 9: Additional checks, variables, etc.
1709 dnl===-----------------------------------------------------------------------===
1711 dnl Handle 32-bit linux systems running a 64-bit kernel.
1712 dnl This has to come after section 4 because it invokes the compiler.
1713 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1715 if test "$llvm_cv_linux_mixed" = "yes"; then
1716 llvm_cv_target_arch="x86"
1721 dnl Check whether __dso_handle is present
1722 AC_CHECK_FUNCS([__dso_handle])
1724 dnl Propagate the shared library extension that the libltdl checks did to
1725 dnl the Makefiles so we can use it there too
1726 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1728 dnl Propagate the run-time library path variable that the libltdl
1729 dnl checks found to the Makefiles so we can use it there too
1730 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1732 dnl Translate the various configuration directories and other basic
1733 dnl information into substitutions that will end up in Makefile.config.in
1734 dnl that these configured values can be used by the makefiles
1735 if test "${prefix}" = "NONE" ; then
1738 eval LLVM_PREFIX="${prefix}";
1739 eval LLVM_BINDIR="${prefix}/bin";
1740 eval LLVM_DATADIR="${prefix}/share/llvm";
1741 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1742 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1743 eval LLVM_INCLUDEDIR="${prefix}/include";
1744 eval LLVM_INFODIR="${prefix}/info";
1745 eval LLVM_MANDIR="${prefix}/man";
1746 LLVM_CONFIGTIME=`date`
1747 AC_SUBST(LLVM_PREFIX)
1748 AC_SUBST(LLVM_BINDIR)
1749 AC_SUBST(LLVM_DATADIR)
1750 AC_SUBST(LLVM_DOCSDIR)
1751 AC_SUBST(LLVM_ETCDIR)
1752 AC_SUBST(LLVM_INCLUDEDIR)
1753 AC_SUBST(LLVM_INFODIR)
1754 AC_SUBST(LLVM_MANDIR)
1755 AC_SUBST(LLVM_CONFIGTIME)
1757 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1758 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1759 LLVM_CONFIGTIME="(timestamp not enabled)"
1762 dnl Place the various directories into the config.h file as #defines so that we
1763 dnl can know about the installation paths within LLVM.
1764 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1765 [Installation prefix directory])
1766 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1767 [Installation directory for binary executables])
1768 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1769 [Installation directory for data files])
1770 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1771 [Installation directory for documentation])
1772 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1773 [Installation directory for config files])
1774 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1775 [Installation directory for include files])
1776 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1777 [Installation directory for .info files])
1778 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1779 [Installation directory for man pages])
1780 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1781 [Time at which LLVM was configured])
1782 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
1783 [Host triple LLVM will be executed on])
1784 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1785 [Target triple LLVM will generate code for by default])
1787 dnl Determine which bindings to build.
1788 if test "$BINDINGS_TO_BUILD" = auto ; then
1789 BINDINGS_TO_BUILD=""
1790 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1791 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1794 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1796 dnl This isn't really configurey, but it avoids having to repeat the list in
1798 AC_SUBST(ALL_BINDINGS,ocaml)
1800 dnl Do any work necessary to ensure that bindings have what they need.
1801 binding_prereqs_failed=0
1802 for a_binding in $BINDINGS_TO_BUILD ; do
1803 case "$a_binding" in
1805 if test "x$OCAMLC" = x ; then
1806 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1807 binding_prereqs_failed=1
1809 if test "x$OCAMLDEP" = x ; then
1810 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1811 binding_prereqs_failed=1
1813 if test "x$OCAMLOPT" = x ; then
1814 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1815 dnl ocamlopt is optional!
1817 if test "x$with_ocaml_libdir" != xauto ; then
1818 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1820 ocaml_stdlib="`"$OCAMLC" -where`"
1821 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1823 # ocaml stdlib is beneath our prefix; use stdlib
1824 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1826 # ocaml stdlib is outside our prefix; use libdir/ocaml
1827 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
1833 if test "$binding_prereqs_failed" = 1 ; then
1834 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1837 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1838 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1840 dnl Determine linker rpath flag
1841 if test "$llvm_cv_link_use_r" = "yes" ; then
1848 dnl Determine linker rdynamic flag
1849 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1850 RDYNAMIC="-Wl,-export-dynamic"
1856 dnl===-----------------------------------------------------------------------===
1858 dnl=== SECTION 10: Specify the output files and generate it
1860 dnl===-----------------------------------------------------------------------===
1862 dnl Configure header files
1863 dnl WARNING: dnl If you add or remove any of the following config headers, then
1864 dnl you MUST also update Makefile so that the variable FilesToConfig
1865 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1866 dnl files can be updated automatically when their *.in sources change.
1867 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1868 AH_TOP([#ifndef CONFIG_H
1872 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1873 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1874 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1875 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1876 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1878 dnl Configure the makefile's configuration data
1879 AC_CONFIG_FILES([Makefile.config])
1881 dnl Configure the RPM spec file for LLVM
1882 AC_CONFIG_FILES([llvm.spec])
1884 dnl Configure doxygen's configuration file
1885 AC_CONFIG_FILES([docs/doxygen.cfg])
1887 dnl Configure clang, if present
1888 if test "${clang_src_root}" = ""; then
1889 clang_src_root="$srcdir/tools/clang"
1891 if test -f ${clang_src_root}/README.txt; then
1892 dnl Use variables to stay under 80 columns.
1893 configh="include/clang/Config/config.h"
1894 doxy="docs/doxygen.cfg"
1895 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1896 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1899 dnl OCaml findlib META file
1900 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1902 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
1903 test "x$program_prefix" = "xNONE" && program_prefix=""
1904 AC_SUBST([program_prefix])
1907 dnl Do special configuration of Makefiles
1908 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1909 AC_CONFIG_MAKEFILE(Makefile)
1910 AC_CONFIG_MAKEFILE(Makefile.common)
1911 AC_CONFIG_MAKEFILE(examples/Makefile)
1912 AC_CONFIG_MAKEFILE(lib/Makefile)
1913 AC_CONFIG_MAKEFILE(runtime/Makefile)
1914 AC_CONFIG_MAKEFILE(test/Makefile)
1915 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1916 AC_CONFIG_MAKEFILE(unittests/Makefile)
1917 AC_CONFIG_MAKEFILE(tools/Makefile)
1918 AC_CONFIG_MAKEFILE(utils/Makefile)
1919 AC_CONFIG_MAKEFILE(projects/Makefile)
1920 AC_CONFIG_MAKEFILE(bindings/Makefile)
1921 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1923 dnl Finally, crank out the output