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],[3.5svn],[http://llvm.org/bugs/])
35 AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API])
36 AC_DEFINE([LLVM_VERSION_MINOR], [5], [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) 2003-2014 University of Illinois at Urbana-Champaign."])
41 AC_COPYRIGHT([Copyright (c) 2003-2014 University of Illinois at Urbana-Champaign.])
43 dnl Indicate that we require autoconf 2.60 or later.
46 dnl Verify that the source directory is valid. This makes sure that we are
47 dnl configuring LLVM and not some other package (it validates --srcdir argument)
48 AC_CONFIG_SRCDIR([lib/IR/Module.cpp])
50 dnl Place all of the extra autoconf files into the config subdirectory. Tell
51 dnl various tools where the m4 autoconf macros are.
52 AC_CONFIG_AUX_DIR([autoconf])
54 dnl Quit if the source directory has already been configured.
55 dnl NOTE: This relies upon undocumented autoconf behavior.
56 if test ${srcdir} != "." ; then
57 if test -f ${srcdir}/include/llvm/Config/config.h ; then
58 AC_MSG_ERROR([Already configured in ${srcdir}])
62 dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS,
63 dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc).
67 dnl We need to check for the compiler up here to avoid anything else
68 dnl starting with a different one.
69 AC_PROG_CC(clang llvm-gcc gcc)
70 AC_PROG_CXX(clang++ llvm-g++ g++)
73 dnl If CXX is Clang, check that it can find and parse C++ standard library
75 if test "$CXX" = "clang++" ; then
76 AC_MSG_CHECKING([whether clang works])
78 dnl Note that space between 'include' and '(' is required. There's a broken
79 dnl regex in aclocal that otherwise will think that we call m4's include
81 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <limits>
82 #if __has_include (<cxxabi.h>)
85 #if __has_include (<unwind.h>)
94 AC_MSG_ERROR([Selected compiler could not find or parse C++ standard library headers. Rerun with CC=c-compiler CXX=c++-compiler ./configure ...])
99 dnl Configure all of the projects present in our source tree. While we could
100 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
101 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
102 dnl Instead we match on the known projects.
105 dnl One tricky part of doing this is that some projects depend upon other
106 dnl projects. For example, several projects rely upon the LLVM test suite.
107 dnl We want to configure those projects first so that their object trees are
108 dnl created before running the configure scripts of projects that depend upon
112 dnl Several projects use llvm-gcc, so configure that first
113 if test -d ${srcdir}/projects/llvm-gcc ; then
114 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
117 dnl Several projects use the LLVM test suite, so configure it next.
118 if test -d ${srcdir}/projects/test-suite ; then
119 AC_CONFIG_SUBDIRS([projects/test-suite])
122 dnl llvm-test is the old name of the test-suite, kept here for backwards
124 if test -d ${srcdir}/projects/llvm-test ; then
125 AC_CONFIG_SUBDIRS([projects/llvm-test])
128 dnl Some projects use poolalloc; configure that next
129 if test -d ${srcdir}/projects/poolalloc ; then
130 AC_CONFIG_SUBDIRS([projects/poolalloc])
133 if test -d ${srcdir}/projects/llvm-poolalloc ; then
134 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
137 dnl Check for all other projects
138 for i in `ls ${srcdir}/projects`
140 if test -d ${srcdir}/projects/${i} ; then
142 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
143 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
144 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
145 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
146 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
147 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
148 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
149 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
157 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
163 dnl Disable the build of polly, even if it is checked out into tools/polly.
165 AS_HELP_STRING([--enable-polly],
166 [Use polly if available (default is YES)]),,
169 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
170 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
171 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
172 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
176 dnl Check if polly is checked out into tools/polly and configure it if
178 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
179 AC_SUBST(LLVM_HAS_POLLY,1)
180 AC_CONFIG_SUBDIRS([tools/polly])
183 dnl===-----------------------------------------------------------------------===
185 dnl=== SECTION 2: Architecture, target, and host checks
187 dnl===-----------------------------------------------------------------------===
189 dnl Check the target for which we're compiling and the host that will do the
190 dnl compilations. This will tell us which LLVM compiler will be used for
191 dnl compiling SSA into object code. This needs to be done early because
192 dnl following tests depend on it.
195 dnl Determine the platform type and cache its value. This helps us configure
196 dnl the System library to the correct build platform.
197 AC_CACHE_CHECK([type of operating system we're going to host on],
201 llvm_cv_link_all_option="-Wl,--whole-archive"
202 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
203 llvm_cv_os_type="AIX"
204 llvm_cv_platform_type="Unix" ;;
206 llvm_cv_link_all_option="-Wl,--whole-archive"
207 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
208 llvm_cv_os_type="IRIX"
209 llvm_cv_platform_type="Unix" ;;
211 llvm_cv_link_all_option="-Wl,--whole-archive"
212 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
213 llvm_cv_os_type="Cygwin"
214 llvm_cv_platform_type="Unix" ;;
216 llvm_cv_link_all_option="-Wl,-all_load"
217 llvm_cv_no_link_all_option="-Wl,-noall_load"
218 llvm_cv_os_type="Darwin"
219 llvm_cv_platform_type="Unix" ;;
221 llvm_cv_link_all_option="-Wl,-all_load"
222 llvm_cv_no_link_all_option="-Wl,-noall_load"
223 llvm_cv_os_type="Minix"
224 llvm_cv_platform_type="Unix" ;;
226 llvm_cv_link_all_option="-Wl,--whole-archive"
227 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
228 llvm_cv_os_type="FreeBSD"
229 llvm_cv_platform_type="Unix" ;;
231 llvm_cv_link_all_option="-Wl,--whole-archive"
232 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
233 llvm_cv_os_type="GNU/kFreeBSD"
234 llvm_cv_platform_type="Unix" ;;
236 llvm_cv_link_all_option="-Wl,--whole-archive"
237 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
238 llvm_cv_os_type="OpenBSD"
239 llvm_cv_platform_type="Unix" ;;
241 llvm_cv_link_all_option="-Wl,--whole-archive"
242 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
243 llvm_cv_os_type="NetBSD"
244 llvm_cv_platform_type="Unix" ;;
246 llvm_cv_link_all_option="-Wl,--whole-archive"
247 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
248 llvm_cv_os_type="DragonFly"
249 llvm_cv_platform_type="Unix" ;;
251 llvm_cv_link_all_option="-Wl,--whole-archive"
252 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
253 llvm_cv_os_type="HP-UX"
254 llvm_cv_platform_type="Unix" ;;
256 llvm_cv_link_all_option="-Wl,--whole-archive"
257 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
258 llvm_cv_os_type="Interix"
259 llvm_cv_platform_type="Unix" ;;
261 llvm_cv_link_all_option="-Wl,--whole-archive"
262 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
263 llvm_cv_os_type="Linux"
264 llvm_cv_platform_type="Unix" ;;
266 llvm_cv_link_all_option="-Wl,--whole-archive"
267 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
268 llvm_cv_os_type="GNU"
269 llvm_cv_platform_type="Unix" ;;
271 llvm_cv_link_all_option="-Wl,-z,allextract"
272 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
273 llvm_cv_os_type="SunOS"
274 llvm_cv_platform_type="Unix" ;;
276 llvm_cv_link_all_option="-Wl,-z,allextract"
277 llvm_cv_link_all_option="-Wl,-z,defaultextract"
278 llvm_cv_os_type="AuroraUX"
279 llvm_cv_platform_type="Unix" ;;
281 llvm_cv_link_all_option="-Wl,--whole-archive"
282 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
283 llvm_cv_os_type="Win32"
284 llvm_cv_platform_type="Win32" ;;
286 llvm_cv_link_all_option="-Wl,--whole-archive"
287 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
288 llvm_cv_os_type="MingW"
289 llvm_cv_platform_type="Win32" ;;
291 llvm_cv_link_all_option="-Wl,--whole-archive"
292 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
293 llvm_cv_os_type="Haiku"
294 llvm_cv_platform_type="Unix" ;;
296 llvm_cv_link_all_option="-Wl,--whole-archive"
297 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
298 llvm_cv_os_type="Freestanding"
299 llvm_cv_platform_type="Unix" ;;
301 llvm_cv_link_all_option="-Wl,--whole-archive"
302 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
303 llvm_cv_os_type="Freestanding"
304 llvm_cv_platform_type="Unix" ;;
306 llvm_cv_link_all_option=""
307 llvm_cv_no_link_all_option=""
308 llvm_cv_os_type="Unknown"
309 llvm_cv_platform_type="Unknown" ;;
312 AC_CACHE_CHECK([type of operating system we're going to target],
313 [llvm_cv_target_os_type],
316 llvm_cv_target_os_type="AIX" ;;
318 llvm_cv_target_os_type="IRIX" ;;
320 llvm_cv_target_os_type="Cygwin" ;;
322 llvm_cv_target_os_type="Darwin" ;;
324 llvm_cv_target_os_type="Minix" ;;
326 llvm_cv_target_os_type="FreeBSD" ;;
328 llvm_cv_target_os_type="GNU/kFreeBSD" ;;
330 llvm_cv_target_os_type="OpenBSD" ;;
332 llvm_cv_target_os_type="NetBSD" ;;
334 llvm_cv_target_os_type="DragonFly" ;;
336 llvm_cv_target_os_type="HP-UX" ;;
338 llvm_cv_target_os_type="Interix" ;;
340 llvm_cv_target_os_type="Linux" ;;
342 llvm_cv_target_os_type="GNU" ;;
344 llvm_cv_target_os_type="SunOS" ;;
346 llvm_cv_target_os_type="AuroraUX" ;;
348 llvm_cv_target_os_type="Win32" ;;
350 llvm_cv_target_os_type="MingW" ;;
352 llvm_cv_target_os_type="Haiku" ;;
354 llvm_cv_target_os_type="RTEMS" ;;
356 llvm_cv_target_os_type="NativeClient" ;;
358 llvm_cv_target_os_type="Freestanding" ;;
360 llvm_cv_target_os_type="Unknown" ;;
363 dnl Make sure we aren't attempting to configure for an unknown system
364 if test "$llvm_cv_os_type" = "Unknown" ; then
365 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
368 dnl Set the "OS" Makefile variable based on the platform type so the
369 dnl makefile can configure itself to specific build hosts
370 AC_SUBST(OS,$llvm_cv_os_type)
371 AC_SUBST(HOST_OS,$llvm_cv_os_type)
372 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
374 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
375 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
376 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
378 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
379 dnl This is used by lib/Support to determine the basic kind of implementation
381 case $llvm_cv_platform_type in
383 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
384 AC_SUBST(LLVM_ON_UNIX,[1])
385 AC_SUBST(LLVM_ON_WIN32,[0])
388 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
389 AC_SUBST(LLVM_ON_UNIX,[0])
390 AC_SUBST(LLVM_ON_WIN32,[1])
394 dnl Determine what our target architecture is and configure accordingly.
395 dnl This will allow Makefiles to make a distinction between the hardware and
397 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
399 i?86-*) llvm_cv_target_arch="x86" ;;
400 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
401 sparc*-*) llvm_cv_target_arch="Sparc" ;;
402 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
403 arm*-*) llvm_cv_target_arch="ARM" ;;
404 aarch64*-*) llvm_cv_target_arch="AArch64" ;;
405 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
406 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
407 xcore-*) llvm_cv_target_arch="XCore" ;;
408 msp430-*) llvm_cv_target_arch="MSP430" ;;
409 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
410 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
411 s390x-*) llvm_cv_target_arch="SystemZ" ;;
412 *) llvm_cv_target_arch="Unknown" ;;
415 if test "$llvm_cv_target_arch" = "Unknown" ; then
416 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
419 dnl Determine the LLVM native architecture for the target
420 case "$llvm_cv_target_arch" in
421 x86) LLVM_NATIVE_ARCH="X86" ;;
422 x86_64) LLVM_NATIVE_ARCH="X86" ;;
423 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
426 dnl Define a substitution, ARCH, for the target architecture
427 AC_SUBST(ARCH,$llvm_cv_target_arch)
429 dnl Determine what our host architecture.
430 dnl This will allow MCJIT regress tests runs only for supported
433 i?86-*) host_arch="x86" ;;
434 amd64-* | x86_64-*) host_arch="x86_64" ;;
435 sparc*-*) host_arch="Sparc" ;;
436 powerpc*-*) host_arch="PowerPC" ;;
437 arm*-*) host_arch="ARM" ;;
438 aarch64*-*) host_arch="AArch64" ;;
439 mips-* | mips64-*) host_arch="Mips" ;;
440 mipsel-* | mips64el-*) host_arch="Mips" ;;
441 xcore-*) host_arch="XCore" ;;
442 msp430-*) host_arch="MSP430" ;;
443 hexagon-*) host_arch="Hexagon" ;;
444 s390x-*) host_arch="SystemZ" ;;
445 *) host_arch="Unknown" ;;
448 if test "$host_arch" = "Unknown" ; then
449 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
452 AC_SUBST(HOST_ARCH,$host_arch)
454 dnl Check for build platform executable suffix if we're cross-compiling
455 if test "$cross_compiling" = yes; then
456 AC_SUBST(LLVM_CROSS_COMPILING, [1])
458 ac_build_prefix=${build_alias}-
459 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
460 if test -z "$BUILD_CXX"; then
461 AC_CHECK_PROG(BUILD_CXX, g++, g++)
462 if test -z "$BUILD_CXX"; then
463 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
467 AC_SUBST(LLVM_CROSS_COMPILING, [0])
470 dnl Check to see if there's a .svn or .git directory indicating that this
471 dnl build is being done from a checkout. This sets up several defaults for
472 dnl the command line switches. When we build with a checkout directory,
473 dnl we get a debug with assertions turned on. Without, we assume a source
474 dnl release and we get an optimized build without assertions.
475 dnl See --enable-optimized and --enable-assertions below
476 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
479 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
485 dnl===-----------------------------------------------------------------------===
487 dnl=== SECTION 3: Command line arguments for the configure script.
489 dnl===-----------------------------------------------------------------------===
491 dnl --enable-libcpp : check whether or not to use libc++ on the command line
492 AC_ARG_ENABLE(libcpp,
493 AS_HELP_STRING([--enable-libcpp],
494 [Use libc++ if available (default is NO)]),,
497 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
498 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
499 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
500 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
503 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
505 AS_HELP_STRING([--enable-cxx11],
506 [Use c++11 if available (default is NO)]),,
509 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
510 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
511 default) AC_SUBST(ENABLE_CXX11,[0]);;
512 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
515 dnl --enable-fission : check whether or not to use -gsplit-dwarf on the command
517 AC_ARG_ENABLE(split-dwarf,
518 AS_HELP_STRING([--enable-split-dwarf],
519 [Use split-dwarf if available (default is NO)]),,
522 yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;;
523 no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;;
524 default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);;
525 *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;;
528 dnl --enable-clang-arcmt: check whether to enable clang arcmt
530 AC_ARG_ENABLE(clang-arcmt,
531 AS_HELP_STRING([--enable-clang-arcmt],
532 [Enable building of clang ARCMT (default is YES)]),
533 clang_arcmt="$enableval",
536 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
537 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
538 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
539 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
542 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
543 clang_static_analyzer="yes"
544 AC_ARG_ENABLE(clang-static-analyzer,
545 AS_HELP_STRING([--enable-clang-static-analyzer],
546 [Enable building of clang Static Analyzer (default is YES)]),
547 clang_static_analyzer="$enableval",
550 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
552 if test ${clang_arcmt} != "no" ; then
553 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling static analyzer.])
555 AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0])
557 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
558 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
561 dnl --enable-clang-rewriter: check whether to enable clang rewriter
562 AC_ARG_ENABLE(clang-rewriter,
563 AS_HELP_STRING([--enable-clang-rewriter],
564 [Enable building of clang rewriter (default is YES)]),,
567 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;;
569 if test ${clang_arcmt} != "no" ; then
570 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
572 if test ${clang_static_analyzer} != "no" ; then
573 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
575 AC_SUBST(ENABLE_CLANG_REWRITER,[0])
577 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
578 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
581 dnl --enable-optimized : check whether they want to do an optimized build:
582 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
583 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
584 if test ${enableval} = "no" ; then
585 AC_SUBST(ENABLE_OPTIMIZED,[[]])
587 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
590 dnl --enable-profiling : check whether they want to do a profile build:
591 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
592 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
593 if test ${enableval} = "no" ; then
594 AC_SUBST(ENABLE_PROFILING,[[]])
596 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
599 dnl --enable-assertions : check whether they want to turn on assertions or not:
600 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
601 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
602 if test ${enableval} = "yes" ; then
603 AC_SUBST(DISABLE_ASSERTIONS,[[]])
605 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
608 dnl --enable-werror : check whether we want Werror on by default
609 AC_ARG_ENABLE(werror,AS_HELP_STRING(
610 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
612 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
613 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
614 default) AC_SUBST(ENABLE_WERROR,[0]);;
615 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
618 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
619 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
620 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
621 if test ${enableval} = "yes" ; then
622 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
623 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
625 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
626 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
629 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
630 AC_ARG_ENABLE(debug-runtime,
631 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
632 if test ${enableval} = "no" ; then
633 AC_SUBST(DEBUG_RUNTIME,[[]])
635 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
638 dnl --enable-debug-symbols : should even optimized compiler libraries
639 dnl have debug symbols?
640 AC_ARG_ENABLE(debug-symbols,
641 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)
642 if test ${enableval} = "no" ; then
643 AC_SUBST(DEBUG_SYMBOLS,[[]])
645 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
648 dnl --enable-keep-symbols : do not strip installed executables
649 AC_ARG_ENABLE(keep-symbols,
650 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
651 if test ${enableval} = "no" ; then
652 AC_SUBST(KEEP_SYMBOLS,[[]])
654 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
657 dnl --enable-jit: check whether they want to enable the jit
659 AS_HELP_STRING(--enable-jit,
660 [Enable Just In Time Compiling (default is YES)]),,
662 if test ${enableval} = "no"
666 case "$llvm_cv_target_arch" in
667 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
668 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
669 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
670 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
671 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
672 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
673 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
674 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
675 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
676 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
677 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
678 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
679 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
683 dnl Allow enablement of building and installing docs
685 AS_HELP_STRING([--enable-docs],
686 [Build documents (default is YES)]),,
689 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
690 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
691 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
692 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
695 dnl Allow enablement of doxygen generated documentation
696 AC_ARG_ENABLE(doxygen,
697 AS_HELP_STRING([--enable-doxygen],
698 [Build doxygen documentation (default is NO)]),,
701 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
702 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
703 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
704 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
707 dnl Allow disablement of threads
708 AC_ARG_ENABLE(threads,
709 AS_HELP_STRING([--enable-threads],
710 [Use threads if available (default is YES)]),,
713 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
714 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
715 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
716 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
718 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
719 [Define if threads enabled])
721 dnl Allow disablement of pthread.h
722 AC_ARG_ENABLE(pthreads,
723 AS_HELP_STRING([--enable-pthreads],
724 [Use pthreads if available (default is YES)]),,
727 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
728 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
729 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
730 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
733 dnl Allow disablement of zlib
735 AS_HELP_STRING([--enable-zlib],
736 [Use zlib for compression/decompression if
737 available (default is YES)]),,
740 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
741 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
742 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
743 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
745 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
746 [Define if zlib is enabled])
748 dnl Allow building without position independent code
750 AS_HELP_STRING([--enable-pic],
751 [Build LLVM with Position Independent Code (default is YES)]),,
754 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
755 no) AC_SUBST(ENABLE_PIC,[0]) ;;
756 default) AC_SUBST(ENABLE_PIC,[1]) ;;
757 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
759 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
760 [Define if position independent code is enabled])
762 dnl Allow building a shared library and linking tools against it.
763 AC_ARG_ENABLE(shared,
764 AS_HELP_STRING([--enable-shared],
765 [Build a shared library and link tools against it (default is NO)]),,
768 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
769 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
770 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
771 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
774 dnl Allow libstdc++ is embedded in LLVM.dll.
775 AC_ARG_ENABLE(embed-stdcxx,
776 AS_HELP_STRING([--enable-embed-stdcxx],
777 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
780 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
781 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
782 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
783 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
786 dnl Enable embedding timestamp information into build.
787 AC_ARG_ENABLE(timestamps,
788 AS_HELP_STRING([--enable-timestamps],
789 [Enable embedding timestamp information in build (default is YES)]),,
792 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
793 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
794 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
795 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
797 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
798 [Define if timestamp information (e.g., __DATE__) is allowed])
800 dnl Enable support for showing backtraces.
801 AC_ARG_ENABLE(backtraces, AS_HELP_STRING(
802 [--enable-backtraces],
803 [Enable embedding backtraces on crash (default is YES)]),
804 [case "$enableval" in
805 yes) llvm_cv_enable_backtraces="yes" ;;
806 no) llvm_cv_enable_backtraces="no" ;;
807 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
809 llvm_cv_enable_backtraces="yes")
810 if test "$llvm_cv_enable_backtraces" = "yes" ; then
811 AC_DEFINE([ENABLE_BACKTRACES],[1],
812 [Define if you want backtraces on crash])
815 dnl Enable installing platform specific signal handling overrides, for improved
816 dnl CrashRecovery support or interaction with crash reporting software. This
817 dnl support may be inappropriate for some clients embedding LLVM as a library.
818 AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING(
819 [--enable-crash-overrides],
820 [Enable crash handling overrides (default is YES)]),
821 [case "$enableval" in
822 yes) llvm_cv_enable_crash_overrides="yes" ;;
823 no) llvm_cv_enable_crash_overrides="no" ;;
824 *) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;;
826 llvm_cv_enable_crash_overrides="yes")
827 if test "$llvm_cv_enable_crash_overrides" = "yes" ; then
828 AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1],
829 [Define to enable crash handling overrides])
832 dnl Allow specific targets to be specified for building (or not)
834 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
835 [Build specific host targets: all or target1,target2,... Valid targets are:
836 host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon,
837 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
839 if test "$enableval" = host-only ; then
843 all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600" ;;
844 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
846 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
847 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
848 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
849 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
850 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
851 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
852 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
853 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
854 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
855 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
856 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
857 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
858 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
859 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
860 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
861 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
862 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
863 host) case "$llvm_cv_target_arch" in
864 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
865 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
866 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
867 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
868 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
869 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
870 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
871 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
872 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
873 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
874 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
875 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
876 *) AC_MSG_ERROR([Can not set target to build]) ;;
878 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
884 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
885 [Build experimental host targets: disable or target1,target2,...
886 (default=disable)]),,
889 if test ${enableval} != "disable"
891 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
894 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
896 dnl Determine whether we are building LLVM support for the native architecture.
897 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
898 for a_target in $TARGETS_TO_BUILD; do
899 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
900 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
901 [LLVM architecture name for the native architecture, if available])
902 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
903 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
904 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
905 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
906 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
907 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
909 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
910 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
912 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
913 [LLVM name for the native Target init function, if available])
914 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
915 [LLVM name for the native TargetInfo init function, if available])
916 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
917 [LLVM name for the native target MC init function, if available])
918 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
919 [LLVM name for the native AsmPrinter init function, if available])
920 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
921 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
922 [LLVM name for the native AsmParser init function, if available])
924 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
925 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
926 [LLVM name for the native Disassembler init function, if available])
931 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
932 dnl target feature def files.
934 LLVM_ENUM_ASM_PRINTERS=""
935 LLVM_ENUM_ASM_PARSERS=""
936 LLVM_ENUM_DISASSEMBLERS=""
937 for target_to_build in $TARGETS_TO_BUILD; do
938 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
939 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
940 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
942 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
943 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
945 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
946 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
949 AC_SUBST(LLVM_ENUM_TARGETS)
950 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
951 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
952 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
954 dnl Override the option to use for optimized builds.
955 AC_ARG_WITH(optimize-option,
956 AS_HELP_STRING([--with-optimize-option],
957 [Select the compiler options to use for optimized builds]),,
959 AC_MSG_CHECKING([optimization flags])
962 case "$llvm_cv_os_type" in
963 FreeBSD) optimize_option=-O2 ;;
964 MingW) optimize_option=-O2 ;;
965 *) optimize_option=-O3 ;;
967 *) optimize_option="$withval" ;;
969 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
970 AC_MSG_RESULT([$optimize_option])
972 dnl Specify extra build options
973 AC_ARG_WITH(extra-options,
974 AS_HELP_STRING([--with-extra-options],
975 [Specify additional options to compile LLVM with]),,
978 default) EXTRA_OPTIONS= ;;
979 *) EXTRA_OPTIONS=$withval ;;
981 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
983 dnl Specify extra linker build options
984 AC_ARG_WITH(extra-ld-options,
985 AS_HELP_STRING([--with-extra-ld-options],
986 [Specify additional options to link LLVM with]),,
989 default) EXTRA_LD_OPTIONS= ;;
990 *) EXTRA_LD_OPTIONS=$withval ;;
992 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
994 dnl Allow specific bindings to be specified for building (or not)
995 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
996 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
1000 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
1001 all ) BINDINGS_TO_BUILD="ocaml" ;;
1002 none | no) BINDINGS_TO_BUILD="" ;;
1003 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
1004 case "$a_binding" in
1005 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
1006 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
1012 dnl Allow the ocaml libdir to be overridden. This could go in a configure
1013 dnl script for bindings/ocaml/configure, except that its auto value depends on
1014 dnl OCAMLC, which is found here to support tests.
1015 AC_ARG_WITH([ocaml-libdir],
1016 [AS_HELP_STRING([--with-ocaml-libdir],
1017 [Specify install location for ocaml bindings (default is stdlib)])],
1021 auto) with_ocaml_libdir="$withval" ;;
1022 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
1023 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
1026 AC_ARG_WITH(clang-srcdir,
1027 AS_HELP_STRING([--with-clang-srcdir],
1028 [Directory to the out-of-tree Clang source]),,
1031 -) clang_src_root="" ;;
1032 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
1033 *) clang_src_root="$ac_pwd/$withval" ;;
1035 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1037 AC_ARG_WITH(clang-resource-dir,
1038 AS_HELP_STRING([--with-clang-resource-dir],
1039 [Relative directory from the Clang binary for resource files]),,
1041 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1042 [Relative directory for resource files])
1044 AC_ARG_WITH(c-include-dirs,
1045 AS_HELP_STRING([--with-c-include-dirs],
1046 [Colon separated list of directories clang will search for headers]),,
1048 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1049 [Directories clang will search for headers])
1051 # Clang normally uses the system c++ headers and libraries. With this option,
1052 # clang will use the ones provided by a gcc installation instead. This option should
1053 # be passed the same value that was used with --prefix when configuring gcc.
1054 AC_ARG_WITH(gcc-toolchain,
1055 AS_HELP_STRING([--with-gcc-toolchain],
1056 [Directory where gcc is installed.]),,
1058 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1059 [Directory where gcc is installed.])
1061 AC_ARG_WITH(default-sysroot,
1062 AS_HELP_STRING([--with-default-sysroot],
1063 [Add --sysroot=<path> to all compiler invocations.]),,
1065 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1066 [Default <path> to all compiler invocations for --sysroot=<path>.])
1068 dnl Allow linking of LLVM with GPLv3 binutils code.
1069 AC_ARG_WITH(binutils-include,
1070 AS_HELP_STRING([--with-binutils-include],
1071 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1074 default) WITH_BINUTILS_INCDIR=default ;;
1075 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1076 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1078 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1079 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1080 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1081 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1082 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1086 dnl Specify the URL where bug reports should be submitted.
1087 AC_ARG_WITH(bug-report-url,
1088 AS_HELP_STRING([--with-bug-report-url],
1089 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1090 withval="http://llvm.org/bugs/")
1091 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1094 dnl --enable-terminfo: check whether the user wants to control use of terminfo:
1095 AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
1096 [--enable-terminfo],
1097 [Query the terminfo database if available (default is YES)]),
1098 [case "$enableval" in
1099 yes) llvm_cv_enable_terminfo="yes" ;;
1100 no) llvm_cv_enable_terminfo="no" ;;
1101 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
1103 llvm_cv_enable_terminfo="yes")
1105 dnl --enable-libffi : check whether the user wants to turn off libffi:
1106 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1107 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1108 [case "$enableval" in
1109 yes) llvm_cv_enable_libffi="yes" ;;
1110 no) llvm_cv_enable_libffi="no" ;;
1111 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1113 llvm_cv_enable_libffi=no)
1115 AC_ARG_WITH(internal-prefix,
1116 AS_HELP_STRING([--with-internal-prefix],
1117 [Installation directory for internal files]),,
1119 AC_SUBST(INTERNAL_PREFIX,[$withval])
1121 dnl===-----------------------------------------------------------------------===
1123 dnl=== SECTION 4: Check for programs we need and that they are the right version
1125 dnl===-----------------------------------------------------------------------===
1130 dnl Check for the tools that the makefiles require
1133 AC_PATH_PROG(CMP, [cmp], [cmp])
1134 AC_PATH_PROG(CP, [cp], [cp])
1135 AC_PATH_PROG(DATE, [date], [date])
1136 AC_PATH_PROG(FIND, [find], [find])
1137 AC_PATH_PROG(GREP, [grep], [grep])
1138 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1139 AC_PATH_PROG(MV, [mv], [mv])
1141 AC_CHECK_TOOL(AR, ar, false)
1142 AC_PATH_PROG(RM, [rm], [rm])
1143 AC_PATH_PROG(SED, [sed], [sed])
1144 AC_PATH_PROG(TAR, [tar], [gtar])
1145 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1147 dnl Looking for misc. graph plotting software
1148 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
1149 if test "$GRAPHVIZ" != "echo Graphviz" ; then
1150 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
1151 dnl If we're targeting for mingw we should emit windows paths, not msys
1152 if test "$llvm_cv_os_type" = "MingW" ; then
1153 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1155 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1156 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1158 AC_PATH_PROG(DOT, [dot], [echo dot])
1159 if test "$DOT" != "echo dot" ; then
1160 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1161 dnl If we're targeting for mingw we should emit windows paths, not msys
1162 if test "$llvm_cv_os_type" = "MingW" ; then
1163 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1165 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1166 [Define to path to dot program if found or 'echo dot' otherwise])
1168 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1169 if test "$FDP" != "echo fdp" ; then
1170 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1171 dnl If we're targeting for mingw we should emit windows paths, not msys
1172 if test "$llvm_cv_os_type" = "MingW" ; then
1173 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1175 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1176 [Define to path to fdp program if found or 'echo fdp' otherwise])
1178 AC_PATH_PROG(NEATO, [neato], [echo neato])
1179 if test "$NEATO" != "echo neato" ; then
1180 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1181 dnl If we're targeting for mingw we should emit windows paths, not msys
1182 if test "$llvm_cv_os_type" = "MingW" ; then
1183 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1185 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1186 [Define to path to neato program if found or 'echo neato' otherwise])
1188 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1189 if test "$TWOPI" != "echo twopi" ; then
1190 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1191 dnl If we're targeting for mingw we should emit windows paths, not msys
1192 if test "$llvm_cv_os_type" = "MingW" ; then
1193 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1195 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1196 [Define to path to twopi program if found or 'echo twopi' otherwise])
1198 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1199 if test "$CIRCO" != "echo circo" ; then
1200 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1201 dnl If we're targeting for mingw we should emit windows paths, not msys
1202 if test "$llvm_cv_os_type" = "MingW" ; then
1203 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1205 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1206 [Define to path to circo program if found or 'echo circo' otherwise])
1208 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1209 if test "$GV" != "echo gv" ; then
1210 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1211 dnl If we're targeting for mingw we should emit windows paths, not msys
1212 if test "$llvm_cv_os_type" = "MingW" ; then
1213 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1215 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1216 [Define to path to gv program if found or 'echo gv' otherwise])
1218 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1219 if test "$DOTTY" != "echo dotty" ; then
1220 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1221 dnl If we're targeting for mingw we should emit windows paths, not msys
1222 if test "$llvm_cv_os_type" = "MingW" ; then
1223 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1225 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1226 [Define to path to dotty program if found or 'echo dotty' otherwise])
1228 AC_PATH_PROGS(XDOT, [xdot xdot.py], [echo xdot])
1229 if test "$XDOT" != "echo xdot" ; then
1230 AC_DEFINE([HAVE_XDOT],[1],[Define if the xdot program is available])
1231 dnl If we're targeting for mingw we should emit windows paths, not msys
1232 if test "$llvm_cv_os_type" = "MingW" ; then
1233 XDOT=`echo $XDOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1235 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT],"$XDOT${EXEEXT}",
1236 [Define to path to xdot program if found or 'echo xdot' otherwise])
1239 dnl Find the install program
1241 dnl Prepend src dir to install path dir if it's a relative path
1242 dnl This is a hack for installs that take place in something other
1243 dnl than the top level.
1245 [[\\/$]]* | ?:[[\\/]]* ) ;;
1246 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1249 dnl Checks for documentation and testing tools that we can do without. If these
1250 dnl are not found then they are set to "true" which always succeeds but does
1251 dnl nothing. This just lets the build output show that we could have done
1252 dnl something if the tool was available.
1253 AC_PATH_PROG(BZIP2, [bzip2])
1254 AC_PATH_PROG(CAT, [cat])
1255 AC_PATH_PROG(DOXYGEN, [doxygen])
1256 AC_PATH_PROG(GROFF, [groff])
1257 AC_PATH_PROG(GZIPBIN, [gzip])
1258 AC_PATH_PROG(PDFROFF, [pdfroff])
1259 AC_PATH_PROG(ZIP, [zip])
1260 AC_PATH_PROGS(OCAMLC, [ocamlc])
1261 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1262 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1263 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1264 AC_PATH_PROGS(GAS, [gas as])
1266 dnl Get the version of the linker in use.
1269 dnl Determine whether the linker supports the -R option.
1272 dnl Determine whether the compiler supports the -rdynamic option.
1273 AC_LINK_EXPORT_DYNAMIC
1275 dnl Determine whether the linker supports the --version-script option.
1276 AC_LINK_VERSION_SCRIPT
1278 dnl Check for libtool and the library that has dlopen function (which must come
1279 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1284 AC_MSG_CHECKING([tool compatibility])
1286 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1287 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1288 dnl to support those options.
1289 dnl "icc" emits gcc signatures
1290 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1302 if test "$GCC" != "yes" && test "$ICC" != "yes"
1304 AC_MSG_ERROR([gcc|icc required but not found])
1307 dnl Ensure that compilation tools are compatible with GCC extensions
1308 if test "$GXX" != "yes" && test "$IXX" != "yes"
1310 AC_MSG_ERROR([g++|clang++|icc required but not found])
1313 dnl Verify that GCC is version 3.0 or higher
1314 if test "$GCC" = "yes"
1319 #if !defined(__GNUC__) || __GNUC__ < 3
1320 #error Unsupported GCC version
1324 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1327 dnl Check for GNU Make. We use its extensions, so don't build without it
1328 if test -z "$llvm_cv_gnu_make_command"
1330 AC_MSG_ERROR([GNU Make required but not found])
1333 dnl Tool compatibility is okay if we make it here.
1336 dnl Check optional compiler flags.
1337 AC_MSG_CHECKING([optional compiler flags])
1338 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1339 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1340 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1342 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1343 dnl false positives, so disable it.
1345 NO_MAYBE_UNINITIALIZED=
1346 if test "$GXX" = "yes"
1348 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1349 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1350 dnl known to be uninitialized from cases which might be uninitialized. We
1351 dnl still want to catch the first kind of errors.
1352 if test -z "$NO_MAYBE_UNINITIALIZED"
1354 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1357 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
1359 AC_ARG_WITH([python],
1360 [AS_HELP_STRING([--with-python], [path to python])],
1361 [PYTHON="$withval"])
1363 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1364 AC_MSG_CHECKING([for python])
1365 AC_MSG_RESULT([user defined: $with_python])
1367 if test -n "$PYTHON" ; then
1368 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1371 AC_PATH_PROG([PYTHON], [python python2 python26],
1372 [AC_MSG_RESULT([not found])
1373 AC_MSG_ERROR([could not find python 2.5 or higher])])
1376 AC_MSG_CHECKING([for python >= 2.5])
1377 ac_python_version=`$PYTHON -V 2>&1 | cut -d' ' -f2`
1378 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1379 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1380 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1381 if test "$ac_python_version_major" -gt "2" || \
1382 (test "$ac_python_version_major" -eq "2" && \
1383 test "$ac_python_version_minor" -ge "5") ; then
1384 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1386 AC_MSG_RESULT([not found])
1387 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5])
1390 dnl===-----------------------------------------------------------------------===
1392 dnl=== SECTION 5: Check for libraries
1394 dnl===-----------------------------------------------------------------------===
1397 if test "$llvm_cv_os_type" = "MingW" ; then
1398 AC_CHECK_LIB(imagehlp, main)
1399 AC_CHECK_LIB(psapi, main)
1400 AC_CHECK_LIB(shell32, main)
1403 dnl dlopen() is required for plugin support.
1404 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1405 [Define if dlopen() is available on this platform.]),
1406 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1408 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1409 dnl macros to detect whether clock_gettime is available, this just finds the
1410 dnl right libraries to link with.
1411 AC_SEARCH_LIBS(clock_gettime,rt)
1413 dnl The curses library is optional; used for querying terminal info
1414 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1415 dnl We need the has_color functionality in curses for it to be useful.
1416 AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw,
1417 AC_DEFINE([HAVE_TERMINFO],[1],
1418 [Define if the setupterm() function is supported this platform.]))
1421 dnl libffi is optional; used to call external functions from the interpreter
1422 if test "$llvm_cv_enable_libffi" = "yes" ; then
1423 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1424 [Define if libffi is available on this platform.]),
1425 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1428 dnl mallinfo is optional; the code can compile (minus features) without it
1429 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1430 [Define if mallinfo() is available on this platform.]))
1432 dnl pthread locking functions are optional - but llvm will not be thread-safe
1434 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1435 AC_CHECK_LIB(pthread, pthread_mutex_init)
1436 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1437 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1438 [Have pthread_mutex_lock]))
1439 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1440 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1441 [Have pthread_rwlock_init]))
1442 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1443 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1444 [Have pthread_getspecific]))
1447 dnl zlib is optional; used for compression/uncompression
1448 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1449 AC_CHECK_LIB(z, compress2)
1452 dnl Allow extra x86-disassembler library
1454 AS_HELP_STRING([--with-udis86=<path>],
1455 [Use udis86 external x86 disassembler library]),
1457 AC_SUBST(USE_UDIS86, [1])
1460 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1462 AC_CHECK_LIB(udis86, ud_init, [], [
1463 echo "Error! You need to have libudis86 around."
1467 AC_SUBST(USE_UDIS86, [0]))
1468 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1469 [Define if use udis86 library])
1471 dnl Allow OProfile support for JIT output.
1472 AC_ARG_WITH(oprofile,
1473 AS_HELP_STRING([--with-oprofile=<prefix>],
1474 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1476 AC_SUBST(USE_OPROFILE, [1])
1478 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1480 AC_SUBST(USE_OPROFILE, [0]) ;;
1481 *) llvm_cv_oppath="${withval}/lib/oprofile"
1482 CPPFLAGS="-I${withval}/include";;
1484 case $llvm_cv_os_type in
1486 if test -n "$llvm_cv_oppath" ; then
1487 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1488 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1489 dnl libbfd is not included properly in libopagent in some Debian
1490 dnl versions. If libbfd isn't found at all, we assume opagent works
1492 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1493 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1494 echo "Error! You need to have libopagent around."
1497 AC_CHECK_HEADER([opagent.h], [], [
1498 echo "Error! You need to have opagent.h around."
1503 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1507 AC_SUBST(USE_OPROFILE, [0])
1509 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1510 [Define if we have the oprofile JIT-support library])
1512 dnl Enable support for Intel JIT Events API.
1513 AC_ARG_WITH(intel-jitevents,
1514 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1517 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1518 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1519 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1522 case $llvm_cv_os_type in
1523 Linux|Win32|Cygwin|MingW) ;;
1524 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1527 case "$llvm_cv_target_arch" in
1529 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1533 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1535 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1536 [Define if we have the Intel JIT API runtime support library])
1538 dnl Check for libxml2
1539 dnl Right now we're just checking for the existence, we could also check for a
1540 dnl particular version via --version on xml2-config
1541 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1543 AC_MSG_CHECKING(for libxml2 includes)
1544 if test "x$XML2CONFIG" = "x"; then
1545 AC_MSG_RESULT(xml2-config not found)
1547 LIBXML2_INC=`$XML2CONFIG --cflags`
1548 AC_MSG_RESULT($LIBXML2_INC)
1549 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1550 LIBXML2_LIBS="-lxml2"])
1552 AC_SUBST(LIBXML2_LIBS)
1553 AC_SUBST(LIBXML2_INC)
1555 dnl===-----------------------------------------------------------------------===
1557 dnl=== SECTION 6: Check for header files
1559 dnl===-----------------------------------------------------------------------===
1561 dnl First, use autoconf provided macros for specific headers that we need
1562 dnl We don't check for ancient stuff or things that are guaranteed to be there
1563 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1564 dnl Generally we're looking for POSIX headers.
1566 AC_HEADER_MMAP_ANONYMOUS
1572 AC_CHECK_HEADERS([cxxabi.h])
1574 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
1575 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1576 AC_CHECK_HEADERS([utime.h])
1577 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1578 AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
1579 AC_CHECK_HEADERS([valgrind/valgrind.h])
1580 AC_CHECK_HEADERS([fenv.h])
1581 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1582 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1583 AC_CHECK_HEADERS(pthread.h,
1584 AC_SUBST(HAVE_PTHREAD, 1),
1585 AC_SUBST(HAVE_PTHREAD, 0))
1587 AC_SUBST(HAVE_PTHREAD, 0)
1589 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1590 AC_CHECK_HEADERS(zlib.h,
1591 AC_SUBST(HAVE_LIBZ, 1),
1592 AC_SUBST(HAVE_LIBZ, 0))
1594 AC_SUBST(HAVE_LIBZ, 0)
1597 dnl Try to find ffi.h.
1598 if test "$llvm_cv_enable_libffi" = "yes" ; then
1599 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1602 dnl Try to find Darwin specific crash reporting libraries.
1603 AC_CHECK_HEADERS([CrashReporterClient.h])
1605 dnl Try to find Darwin specific crash reporting global.
1606 AC_MSG_CHECKING([__crashreporter_info__])
1610 extern const char *__crashreporter_info__;
1612 __crashreporter_info__ = "test";
1618 AC_MSG_RESULT([yes])
1619 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1623 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1626 dnl===-----------------------------------------------------------------------===
1628 dnl=== SECTION 7: Check for types and structures
1630 dnl===-----------------------------------------------------------------------===
1635 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1637 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1638 AC_CHECK_TYPES([uint64_t],,
1639 AC_CHECK_TYPES([u_int64_t],,
1640 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1642 dnl===-----------------------------------------------------------------------===
1644 dnl=== SECTION 8: Check for specific functions needed
1646 dnl===-----------------------------------------------------------------------===
1648 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1649 AC_CHECK_FUNCS([powf fmodf strtof round ])
1650 AC_CHECK_FUNCS([log log2 log10 exp exp2])
1651 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1652 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1653 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
1654 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1655 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1656 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1657 AC_CHECK_FUNCS([futimes futimens])
1661 dnl Check the declaration "Secure API" on Windows environments.
1662 AC_CHECK_DECLS([strerror_s])
1664 dnl Check symbols in libgcc.a for JIT on Mingw.
1665 if test "$llvm_cv_os_type" = "MingW" ; then
1666 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1667 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1668 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1669 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1671 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1672 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1673 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1674 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1675 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1676 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1677 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1678 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1679 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1680 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1682 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1683 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1686 dnl Check Win32 API EnumerateLoadedModules.
1687 if test "$llvm_cv_os_type" = "MingW" ; then
1688 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1692 #include <windows.h>
1693 #include <imagehlp.h>
1694 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1695 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1699 AC_MSG_RESULT([yes])
1700 llvm_cv_win32_elmcb_pcstr="PCSTR"
1704 llvm_cv_win32_elmcb_pcstr="PSTR"
1706 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1709 dnl Check for variations in the Standard C++ library and STL. These macros are
1710 dnl provided by LLVM in the autoconf/m4 directory.
1714 dnl Check for mmap support.We also need to know if /dev/zero is required to
1715 dnl be opened for allocating RWX memory.
1716 dnl Make sure we aren't attempting to configure for an unknown system
1717 if test "$llvm_cv_platform_type" = "Unix" ; then
1720 AC_NEED_DEV_ZERO_FOR_MMAP
1722 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1724 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1726 if test "$ac_cv_func_mmap_file" = "no"
1728 AC_MSG_WARN([mmap() of files required but not found])
1732 dnl atomic builtins are required for threading support.
1733 AC_MSG_CHECKING(for GCC atomic builtins)
1734 dnl Since we'll be using these atomic builtins in C++ files we should test
1735 dnl the C++ compiler.
1741 volatile unsigned long val = 1;
1742 __sync_synchronize();
1743 __sync_val_compare_and_swap(&val, 1, 0);
1744 __sync_add_and_fetch(&val, 1);
1745 __sync_sub_and_fetch(&val, 1);
1751 AC_MSG_RESULT([yes])
1752 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1756 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1757 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1761 dnl===-----------------------------------------------------------------------===
1763 dnl=== SECTION 9: Additional checks, variables, etc.
1765 dnl===-----------------------------------------------------------------------===
1767 dnl Handle 32-bit linux systems running a 64-bit kernel.
1768 dnl This has to come after section 4 because it invokes the compiler.
1769 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1771 if test "$llvm_cv_linux_mixed" = "yes"; then
1772 llvm_cv_target_arch="x86"
1777 dnl Check whether __dso_handle is present
1778 AC_CHECK_FUNCS([__dso_handle])
1780 dnl Propagate the shared library extension that the libltdl checks did to
1781 dnl the Makefiles so we can use it there too
1782 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1784 dnl Propagate the run-time library path variable that the libltdl
1785 dnl checks found to the Makefiles so we can use it there too
1786 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1788 dnl Translate the various configuration directories and other basic
1789 dnl information into substitutions that will end up in Makefile.config.in
1790 dnl that these configured values can be used by the makefiles
1791 if test "${prefix}" = "NONE" ; then
1794 eval LLVM_PREFIX="${prefix}";
1795 eval LLVM_BINDIR="${prefix}/bin";
1796 eval LLVM_DATADIR="${prefix}/share/llvm";
1797 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1798 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1799 eval LLVM_INCLUDEDIR="${prefix}/include";
1800 eval LLVM_INFODIR="${prefix}/info";
1801 eval LLVM_MANDIR="${prefix}/man";
1802 LLVM_CONFIGTIME=`date`
1803 AC_SUBST(LLVM_PREFIX)
1804 AC_SUBST(LLVM_BINDIR)
1805 AC_SUBST(LLVM_DATADIR)
1806 AC_SUBST(LLVM_DOCSDIR)
1807 AC_SUBST(LLVM_ETCDIR)
1808 AC_SUBST(LLVM_INCLUDEDIR)
1809 AC_SUBST(LLVM_INFODIR)
1810 AC_SUBST(LLVM_MANDIR)
1811 AC_SUBST(LLVM_CONFIGTIME)
1813 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1814 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1815 LLVM_CONFIGTIME="(timestamp not enabled)"
1818 dnl Place the various directories into the config.h file as #defines so that we
1819 dnl can know about the installation paths within LLVM.
1820 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1821 [Installation prefix directory])
1822 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1823 [Installation directory for binary executables])
1824 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1825 [Installation directory for data files])
1826 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1827 [Installation directory for documentation])
1828 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1829 [Installation directory for config files])
1830 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1831 [Installation directory for include files])
1832 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1833 [Installation directory for .info files])
1834 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1835 [Installation directory for man pages])
1836 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1837 [Time at which LLVM was configured])
1838 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
1839 [Host triple LLVM will be executed on])
1840 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1841 [Target triple LLVM will generate code for by default])
1843 dnl Determine which bindings to build.
1844 if test "$BINDINGS_TO_BUILD" = auto ; then
1845 BINDINGS_TO_BUILD=""
1846 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1847 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1850 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1852 dnl This isn't really configurey, but it avoids having to repeat the list in
1854 AC_SUBST(ALL_BINDINGS,ocaml)
1856 dnl Do any work necessary to ensure that bindings have what they need.
1857 binding_prereqs_failed=0
1858 for a_binding in $BINDINGS_TO_BUILD ; do
1859 case "$a_binding" in
1861 if test "x$OCAMLC" = x ; then
1862 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1863 binding_prereqs_failed=1
1865 if test "x$OCAMLDEP" = x ; then
1866 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1867 binding_prereqs_failed=1
1869 if test "x$OCAMLOPT" = x ; then
1870 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1871 dnl ocamlopt is optional!
1873 if test "x$with_ocaml_libdir" != xauto ; then
1874 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1876 ocaml_stdlib="`"$OCAMLC" -where`"
1877 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1879 # ocaml stdlib is beneath our prefix; use stdlib
1880 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1882 # ocaml stdlib is outside our prefix; use libdir/ocaml
1883 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
1889 if test "$binding_prereqs_failed" = 1 ; then
1890 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1893 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1894 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1896 dnl Determine linker rpath flag
1897 if test "$llvm_cv_link_use_r" = "yes" ; then
1904 dnl Determine linker rdynamic flag
1905 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1906 RDYNAMIC="-rdynamic"
1912 dnl===-----------------------------------------------------------------------===
1914 dnl=== SECTION 10: Specify the output files and generate it
1916 dnl===-----------------------------------------------------------------------===
1918 dnl Configure header files
1919 dnl WARNING: dnl If you add or remove any of the following config headers, then
1920 dnl you MUST also update Makefile so that the variable FilesToConfig
1921 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1922 dnl files can be updated automatically when their *.in sources change.
1923 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1924 AH_TOP([#ifndef CONFIG_H
1928 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1929 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1930 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1931 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1932 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1934 dnl Configure the makefile's configuration data
1935 AC_CONFIG_FILES([Makefile.config])
1937 dnl Configure the RPM spec file for LLVM
1938 AC_CONFIG_FILES([llvm.spec])
1940 dnl Configure doxygen's configuration file
1941 AC_CONFIG_FILES([docs/doxygen.cfg])
1943 dnl Configure clang, if present
1944 if test "${clang_src_root}" = ""; then
1945 clang_src_root="$srcdir/tools/clang"
1947 if test -f ${clang_src_root}/README.txt; then
1948 dnl Use variables to stay under 80 columns.
1949 configh="include/clang/Config/config.h"
1950 doxy="docs/doxygen.cfg"
1951 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1952 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1955 dnl OCaml findlib META file
1956 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1958 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
1959 test "x$program_prefix" = "xNONE" && program_prefix=""
1960 AC_SUBST([program_prefix])
1963 dnl Do special configuration of Makefiles
1964 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1965 AC_CONFIG_MAKEFILE(Makefile)
1966 AC_CONFIG_MAKEFILE(Makefile.common)
1967 AC_CONFIG_MAKEFILE(examples/Makefile)
1968 AC_CONFIG_MAKEFILE(lib/Makefile)
1969 AC_CONFIG_MAKEFILE(test/Makefile)
1970 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1971 AC_CONFIG_MAKEFILE(unittests/Makefile)
1972 AC_CONFIG_MAKEFILE(tools/Makefile)
1973 AC_CONFIG_MAKEFILE(utils/Makefile)
1974 AC_CONFIG_MAKEFILE(projects/Makefile)
1975 AC_CONFIG_MAKEFILE(bindings/Makefile)
1976 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1978 dnl Finally, crank out the output