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 ${srcdir}])
62 dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS,
63 dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc).
67 dnl We need to check for the compiler up here to avoid anything else
68 dnl starting with a different one.
70 AC_PROG_CXX(clang++ g++)
73 dnl If CXX is Clang, check that it can find and parse C++ standard library
75 if test "$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 Set up variables that track whether the host compiler is GCC or Clang where
100 dnl we can effectively sanity check them. We don't try to sanity check all the
101 dnl other possible compilers.
102 AC_MSG_CHECKING([whether GCC or Clang is our host compiler])
104 llvm_cv_cxx_compiler=unknown
105 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! __clang__
109 llvm_cv_cxx_compiler=clang,
110 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! __GNUC__
114 llvm_cv_cxx_compiler=gcc, [])])
116 AC_MSG_RESULT([${llvm_cv_cxx_compiler}])
118 dnl Check both GCC and Clang for sufficiently modern versions. These checks can
119 dnl be bypassed by passing a flag if necessary on a platform.
120 AC_ARG_ENABLE(compiler-version-checks,
121 AS_HELP_STRING([--enable-compiler-version-checks],
122 [Check the version of the host compiler (default is YES)]),,
129 case "$llvm_cv_cxx_compiler" in
131 AC_MSG_CHECKING([whether Clang is new enough])
132 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
133 #if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 1)
134 #error This version of Clang is too old to build LLVM
137 [AC_MSG_RESULT([yes])],
140 The selected Clang compiler is not new enough to build LLVM. Please upgrade to
141 Clang 3.1. You may pass --disable-compiler-version-checks to configure to
142 bypass these sanity checks.])])
145 AC_MSG_CHECKING([whether GCC is new enough])
146 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
147 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
148 #error This version of GCC is too old to build LLVM
151 [AC_MSG_RESULT([yes])],
154 The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade
155 to GCC 4.7. You may pass --disable-compiler-version-checks to configure to
156 bypass these sanity checks.])])
164 AC_MSG_ERROR([Invalid setting for --enable-compiler-version-checks. Use "yes" or "no"])
168 dnl Configure all of the projects present in our source tree. While we could
169 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
170 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
171 dnl Instead we match on the known projects.
174 dnl One tricky part of doing this is that some projects depend upon other
175 dnl projects. For example, several projects rely upon the LLVM test suite.
176 dnl We want to configure those projects first so that their object trees are
177 dnl created before running the configure scripts of projects that depend upon
181 dnl Several projects use the LLVM test suite, so configure it next.
182 if test -d ${srcdir}/projects/test-suite ; then
183 AC_CONFIG_SUBDIRS([projects/test-suite])
186 dnl llvm-test is the old name of the test-suite, kept here for backwards
188 if test -d ${srcdir}/projects/llvm-test ; then
189 AC_CONFIG_SUBDIRS([projects/llvm-test])
192 dnl Some projects use poolalloc; configure that next
193 if test -d ${srcdir}/projects/poolalloc ; then
194 AC_CONFIG_SUBDIRS([projects/poolalloc])
197 if test -d ${srcdir}/projects/llvm-poolalloc ; then
198 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
201 dnl Check for all other projects
202 for i in `ls ${srcdir}/projects`
204 if test -d ${srcdir}/projects/${i} ; then
206 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
207 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
208 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
215 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
221 dnl Disable the build of polly, even if it is checked out into tools/polly.
223 AS_HELP_STRING([--enable-polly],
224 [Use polly if available (default is YES)]),,
227 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
228 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
229 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
230 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
234 dnl Check if polly is checked out into tools/polly and configure it if
236 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
237 AC_SUBST(LLVM_HAS_POLLY,1)
238 AC_CONFIG_SUBDIRS([tools/polly])
241 dnl===-----------------------------------------------------------------------===
243 dnl=== SECTION 2: Architecture, target, and host checks
245 dnl===-----------------------------------------------------------------------===
247 dnl Check the target for which we're compiling and the host that will do the
248 dnl compilations. This will tell us which LLVM compiler will be used for
249 dnl compiling SSA into object code. This needs to be done early because
250 dnl following tests depend on it.
253 dnl Determine the platform type and cache its value. This helps us configure
254 dnl the System library to the correct build platform.
255 AC_CACHE_CHECK([type of operating system we're going to host on],
259 llvm_cv_link_all_option="-Wl,--whole-archive"
260 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
261 llvm_cv_os_type="AIX"
262 llvm_cv_platform_type="Unix" ;;
264 llvm_cv_link_all_option="-Wl,--whole-archive"
265 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
266 llvm_cv_os_type="IRIX"
267 llvm_cv_platform_type="Unix" ;;
269 llvm_cv_link_all_option="-Wl,--whole-archive"
270 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
271 llvm_cv_os_type="Cygwin"
272 llvm_cv_platform_type="Unix" ;;
274 llvm_cv_link_all_option="-Wl,-all_load"
275 llvm_cv_no_link_all_option="-Wl,-noall_load"
276 llvm_cv_os_type="Darwin"
277 llvm_cv_platform_type="Unix" ;;
279 llvm_cv_link_all_option="-Wl,-all_load"
280 llvm_cv_no_link_all_option="-Wl,-noall_load"
281 llvm_cv_os_type="Minix"
282 llvm_cv_platform_type="Unix" ;;
284 llvm_cv_link_all_option="-Wl,--whole-archive"
285 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
286 llvm_cv_os_type="FreeBSD"
287 llvm_cv_platform_type="Unix" ;;
289 llvm_cv_link_all_option="-Wl,--whole-archive"
290 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
291 llvm_cv_os_type="GNU/kFreeBSD"
292 llvm_cv_platform_type="Unix" ;;
294 llvm_cv_link_all_option="-Wl,--whole-archive"
295 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
296 llvm_cv_os_type="OpenBSD"
297 llvm_cv_platform_type="Unix" ;;
299 llvm_cv_link_all_option="-Wl,--whole-archive"
300 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
301 llvm_cv_os_type="NetBSD"
302 llvm_cv_platform_type="Unix" ;;
304 llvm_cv_link_all_option="-Wl,--whole-archive"
305 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
306 llvm_cv_os_type="DragonFly"
307 llvm_cv_platform_type="Unix" ;;
309 llvm_cv_link_all_option="-Wl,--whole-archive"
310 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
311 llvm_cv_os_type="HP-UX"
312 llvm_cv_platform_type="Unix" ;;
314 llvm_cv_link_all_option="-Wl,--whole-archive"
315 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
316 llvm_cv_os_type="Interix"
317 llvm_cv_platform_type="Unix" ;;
319 llvm_cv_link_all_option="-Wl,--whole-archive"
320 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
321 llvm_cv_os_type="Linux"
322 llvm_cv_platform_type="Unix" ;;
324 llvm_cv_link_all_option="-Wl,--whole-archive"
325 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
326 llvm_cv_os_type="GNU"
327 llvm_cv_platform_type="Unix" ;;
329 llvm_cv_link_all_option="-Wl,-z,allextract"
330 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
331 llvm_cv_os_type="SunOS"
332 llvm_cv_platform_type="Unix" ;;
334 llvm_cv_link_all_option="-Wl,-z,allextract"
335 llvm_cv_link_all_option="-Wl,-z,defaultextract"
336 llvm_cv_os_type="AuroraUX"
337 llvm_cv_platform_type="Unix" ;;
339 llvm_cv_link_all_option="-Wl,--whole-archive"
340 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
341 llvm_cv_os_type="Win32"
342 llvm_cv_platform_type="Win32" ;;
344 llvm_cv_link_all_option="-Wl,--whole-archive"
345 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
346 llvm_cv_os_type="MingW"
347 llvm_cv_platform_type="Win32" ;;
349 llvm_cv_link_all_option="-Wl,--whole-archive"
350 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
351 llvm_cv_os_type="Haiku"
352 llvm_cv_platform_type="Unix" ;;
354 llvm_cv_link_all_option="-Wl,--whole-archive"
355 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
356 llvm_cv_os_type="Freestanding"
357 llvm_cv_platform_type="Unix" ;;
359 llvm_cv_link_all_option="-Wl,--whole-archive"
360 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
361 llvm_cv_os_type="Freestanding"
362 llvm_cv_platform_type="Unix" ;;
364 llvm_cv_link_all_option=""
365 llvm_cv_no_link_all_option=""
366 llvm_cv_os_type="Unknown"
367 llvm_cv_platform_type="Unknown" ;;
370 AC_CACHE_CHECK([type of operating system we're going to target],
371 [llvm_cv_target_os_type],
374 llvm_cv_target_os_type="AIX" ;;
376 llvm_cv_target_os_type="IRIX" ;;
378 llvm_cv_target_os_type="Cygwin" ;;
380 llvm_cv_target_os_type="Darwin" ;;
382 llvm_cv_target_os_type="Minix" ;;
384 llvm_cv_target_os_type="FreeBSD" ;;
386 llvm_cv_target_os_type="GNU/kFreeBSD" ;;
388 llvm_cv_target_os_type="OpenBSD" ;;
390 llvm_cv_target_os_type="NetBSD" ;;
392 llvm_cv_target_os_type="DragonFly" ;;
394 llvm_cv_target_os_type="HP-UX" ;;
396 llvm_cv_target_os_type="Interix" ;;
398 llvm_cv_target_os_type="Linux" ;;
400 llvm_cv_target_os_type="GNU" ;;
402 llvm_cv_target_os_type="SunOS" ;;
404 llvm_cv_target_os_type="AuroraUX" ;;
406 llvm_cv_target_os_type="Win32" ;;
408 llvm_cv_target_os_type="MingW" ;;
410 llvm_cv_target_os_type="Haiku" ;;
412 llvm_cv_target_os_type="RTEMS" ;;
414 llvm_cv_target_os_type="NativeClient" ;;
416 llvm_cv_target_os_type="Freestanding" ;;
418 llvm_cv_target_os_type="Unknown" ;;
421 dnl Make sure we aren't attempting to configure for an unknown system
422 if test "$llvm_cv_os_type" = "Unknown" ; then
423 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
426 dnl Set the "OS" Makefile variable based on the platform type so the
427 dnl makefile can configure itself to specific build hosts
428 AC_SUBST(OS,$llvm_cv_os_type)
429 AC_SUBST(HOST_OS,$llvm_cv_os_type)
430 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
432 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
433 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
434 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
436 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
437 dnl This is used by lib/Support to determine the basic kind of implementation
439 case $llvm_cv_platform_type in
441 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
442 AC_SUBST(LLVM_ON_UNIX,[1])
443 AC_SUBST(LLVM_ON_WIN32,[0])
446 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
447 AC_SUBST(LLVM_ON_UNIX,[0])
448 AC_SUBST(LLVM_ON_WIN32,[1])
452 dnl Determine what our target architecture is and configure accordingly.
453 dnl This will allow Makefiles to make a distinction between the hardware and
455 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
457 i?86-*) llvm_cv_target_arch="x86" ;;
458 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
459 sparc*-*) llvm_cv_target_arch="Sparc" ;;
460 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
461 arm*-*) llvm_cv_target_arch="ARM" ;;
462 aarch64*-*) llvm_cv_target_arch="AArch64" ;;
463 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
464 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
465 xcore-*) llvm_cv_target_arch="XCore" ;;
466 msp430-*) llvm_cv_target_arch="MSP430" ;;
467 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
468 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
469 s390x-*) llvm_cv_target_arch="SystemZ" ;;
470 *) llvm_cv_target_arch="Unknown" ;;
473 if test "$llvm_cv_target_arch" = "Unknown" ; then
474 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
477 dnl Determine the LLVM native architecture for the target
478 case "$llvm_cv_target_arch" in
479 x86) LLVM_NATIVE_ARCH="X86" ;;
480 x86_64) LLVM_NATIVE_ARCH="X86" ;;
481 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
484 dnl Define a substitution, ARCH, for the target architecture
485 AC_SUBST(ARCH,$llvm_cv_target_arch)
487 dnl Determine what our host architecture.
488 dnl This will allow MCJIT regress tests runs only for supported
491 i?86-*) host_arch="x86" ;;
492 amd64-* | x86_64-*) host_arch="x86_64" ;;
493 sparc*-*) host_arch="Sparc" ;;
494 powerpc*-*) host_arch="PowerPC" ;;
495 arm*-*) host_arch="ARM" ;;
496 aarch64*-*) host_arch="AArch64" ;;
497 mips-* | mips64-*) host_arch="Mips" ;;
498 mipsel-* | mips64el-*) host_arch="Mips" ;;
499 xcore-*) host_arch="XCore" ;;
500 msp430-*) host_arch="MSP430" ;;
501 hexagon-*) host_arch="Hexagon" ;;
502 s390x-*) host_arch="SystemZ" ;;
503 *) host_arch="Unknown" ;;
506 if test "$host_arch" = "Unknown" ; then
507 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
510 AC_SUBST(HOST_ARCH,$host_arch)
512 dnl Check for build platform executable suffix if we're cross-compiling
513 if test "$cross_compiling" = yes; then
514 AC_SUBST(LLVM_CROSS_COMPILING, [1])
516 ac_build_prefix=${build_alias}-
517 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
518 if test -z "$BUILD_CXX"; then
519 AC_CHECK_PROG(BUILD_CXX, g++, g++)
520 if test -z "$BUILD_CXX"; then
521 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
525 AC_SUBST(LLVM_CROSS_COMPILING, [0])
528 dnl Check to see if there's a .svn or .git directory indicating that this
529 dnl build is being done from a checkout. This sets up several defaults for
530 dnl the command line switches. When we build with a checkout directory,
531 dnl we get a debug with assertions turned on. Without, we assume a source
532 dnl release and we get an optimized build without assertions.
533 dnl See --enable-optimized and --enable-assertions below
534 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
537 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
543 dnl===-----------------------------------------------------------------------===
545 dnl=== SECTION 3: Command line arguments for the configure script.
547 dnl===-----------------------------------------------------------------------===
549 dnl --enable-libcpp : check whether or not to use libc++ on the command line
550 AC_ARG_ENABLE(libcpp,
551 AS_HELP_STRING([--enable-libcpp],
552 [Use libc++ if available (default is NO)]),,
555 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
556 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
557 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
558 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
561 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
563 AS_HELP_STRING([--enable-cxx11],
564 [Use c++11 if available (default is NO)]),,
567 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
568 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
569 default) AC_SUBST(ENABLE_CXX11,[0]);;
570 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
573 dnl --enable-fission : check whether or not to use -gsplit-dwarf on the command
575 AC_ARG_ENABLE(split-dwarf,
576 AS_HELP_STRING([--enable-split-dwarf],
577 [Use split-dwarf if available (default is NO)]),,
580 yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;;
581 no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;;
582 default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);;
583 *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;;
586 dnl --enable-clang-arcmt: check whether to enable clang arcmt
588 AC_ARG_ENABLE(clang-arcmt,
589 AS_HELP_STRING([--enable-clang-arcmt],
590 [Enable building of clang ARCMT (default is YES)]),
591 clang_arcmt="$enableval",
594 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
595 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
596 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
597 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
600 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
601 clang_static_analyzer="yes"
602 AC_ARG_ENABLE(clang-static-analyzer,
603 AS_HELP_STRING([--enable-clang-static-analyzer],
604 [Enable building of clang Static Analyzer (default is YES)]),
605 clang_static_analyzer="$enableval",
608 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
610 if test ${clang_arcmt} != "no" ; then
611 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling static analyzer.])
613 AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0])
615 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
616 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
619 dnl --enable-clang-rewriter: check whether to enable clang rewriter
620 AC_ARG_ENABLE(clang-rewriter,
621 AS_HELP_STRING([--enable-clang-rewriter],
622 [Enable building of clang rewriter (default is YES)]),,
625 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;;
627 if test ${clang_arcmt} != "no" ; then
628 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
630 if test ${clang_static_analyzer} != "no" ; then
631 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
633 AC_SUBST(ENABLE_CLANG_REWRITER,[0])
635 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
636 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
639 dnl --enable-optimized : check whether they want to do an optimized build:
640 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
641 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
642 if test ${enableval} = "no" ; then
643 AC_SUBST(ENABLE_OPTIMIZED,[[]])
645 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
648 dnl --enable-profiling : check whether they want to do a profile build:
649 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
650 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
651 if test ${enableval} = "no" ; then
652 AC_SUBST(ENABLE_PROFILING,[[]])
654 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
657 dnl --enable-assertions : check whether they want to turn on assertions or not:
658 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
659 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
660 if test ${enableval} = "yes" ; then
661 AC_SUBST(DISABLE_ASSERTIONS,[[]])
663 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
666 dnl --enable-werror : check whether we want Werror on by default
667 AC_ARG_ENABLE(werror,AS_HELP_STRING(
668 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
670 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
671 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
672 default) AC_SUBST(ENABLE_WERROR,[0]);;
673 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
676 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
677 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
678 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
679 if test ${enableval} = "yes" ; then
680 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
681 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
683 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
684 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
687 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
688 AC_ARG_ENABLE(debug-runtime,
689 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
690 if test ${enableval} = "no" ; then
691 AC_SUBST(DEBUG_RUNTIME,[[]])
693 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
696 dnl --enable-debug-symbols : should even optimized compiler libraries
697 dnl have debug symbols?
698 AC_ARG_ENABLE(debug-symbols,
699 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)
700 if test ${enableval} = "no" ; then
701 AC_SUBST(DEBUG_SYMBOLS,[[]])
703 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
706 dnl --enable-keep-symbols : do not strip installed executables
707 AC_ARG_ENABLE(keep-symbols,
708 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
709 if test ${enableval} = "no" ; then
710 AC_SUBST(KEEP_SYMBOLS,[[]])
712 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
715 dnl --enable-jit: check whether they want to enable the jit
717 AS_HELP_STRING(--enable-jit,
718 [Enable Just In Time Compiling (default is YES)]),,
720 if test ${enableval} = "no"
724 case "$llvm_cv_target_arch" in
725 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
726 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
727 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
728 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
729 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
730 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
731 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
732 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
733 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
734 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
735 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
736 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
737 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
741 dnl Allow enablement of building and installing docs
743 AS_HELP_STRING([--enable-docs],
744 [Build documents (default is YES)]),,
747 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
748 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
749 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
750 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
753 dnl Allow enablement of doxygen generated documentation
754 AC_ARG_ENABLE(doxygen,
755 AS_HELP_STRING([--enable-doxygen],
756 [Build doxygen documentation (default is NO)]),,
759 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
760 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
761 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
762 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
765 dnl Allow disablement of threads
766 AC_ARG_ENABLE(threads,
767 AS_HELP_STRING([--enable-threads],
768 [Use threads if available (default is YES)]),,
771 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
772 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
773 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
774 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
776 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
777 [Define if threads enabled])
779 dnl Allow disablement of pthread.h
780 AC_ARG_ENABLE(pthreads,
781 AS_HELP_STRING([--enable-pthreads],
782 [Use pthreads if available (default is YES)]),,
785 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
786 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
787 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
788 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
791 dnl Allow disablement of zlib
793 AS_HELP_STRING([--enable-zlib],
794 [Use zlib for compression/decompression if
795 available (default is YES)]),,
798 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
799 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
800 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
801 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
803 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
804 [Define if zlib is enabled])
806 dnl Allow building without position independent code
808 AS_HELP_STRING([--enable-pic],
809 [Build LLVM with Position Independent Code (default is YES)]),,
812 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
813 no) AC_SUBST(ENABLE_PIC,[0]) ;;
814 default) AC_SUBST(ENABLE_PIC,[1]) ;;
815 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
817 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
818 [Define if position independent code is enabled])
820 dnl Allow building a shared library and linking tools against it.
821 AC_ARG_ENABLE(shared,
822 AS_HELP_STRING([--enable-shared],
823 [Build a shared library and link tools against it (default is NO)]),,
826 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
827 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
828 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
829 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
832 dnl Allow libstdc++ is embedded in LLVM.dll.
833 AC_ARG_ENABLE(embed-stdcxx,
834 AS_HELP_STRING([--enable-embed-stdcxx],
835 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
838 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
839 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
840 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
841 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
844 dnl Enable embedding timestamp information into build.
845 AC_ARG_ENABLE(timestamps,
846 AS_HELP_STRING([--enable-timestamps],
847 [Enable embedding timestamp information in build (default is YES)]),,
850 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
851 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
852 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
853 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
855 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
856 [Define if timestamp information (e.g., __DATE__) is allowed])
858 dnl Enable support for showing backtraces.
859 AC_ARG_ENABLE(backtraces, AS_HELP_STRING(
860 [--enable-backtraces],
861 [Enable embedding backtraces on crash (default is YES)]),
862 [case "$enableval" in
863 yes) llvm_cv_enable_backtraces="yes" ;;
864 no) llvm_cv_enable_backtraces="no" ;;
865 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
867 llvm_cv_enable_backtraces="yes")
868 if test "$llvm_cv_enable_backtraces" = "yes" ; then
869 AC_DEFINE([ENABLE_BACKTRACES],[1],
870 [Define if you want backtraces on crash])
873 dnl Enable installing platform specific signal handling overrides, for improved
874 dnl CrashRecovery support or interaction with crash reporting software. This
875 dnl support may be inappropriate for some clients embedding LLVM as a library.
876 AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING(
877 [--enable-crash-overrides],
878 [Enable crash handling overrides (default is YES)]),
879 [case "$enableval" in
880 yes) llvm_cv_enable_crash_overrides="yes" ;;
881 no) llvm_cv_enable_crash_overrides="no" ;;
882 *) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;;
884 llvm_cv_enable_crash_overrides="yes")
885 if test "$llvm_cv_enable_crash_overrides" = "yes" ; then
886 AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1],
887 [Define to enable crash handling overrides])
890 dnl Allow specific targets to be specified for building (or not)
892 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
893 [Build specific host targets: all or target1,target2,... Valid targets are:
894 host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon,
895 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
897 if test "$enableval" = host-only ; then
901 all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600" ;;
902 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
904 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
905 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
906 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
907 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
908 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
909 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
910 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
911 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
912 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
913 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
914 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
915 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
916 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
917 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
918 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
919 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
920 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
921 host) case "$llvm_cv_target_arch" in
922 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
923 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
924 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
925 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
926 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
927 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
928 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
929 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
930 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
931 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
932 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
933 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
934 *) AC_MSG_ERROR([Can not set target to build]) ;;
936 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
942 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
943 [Build experimental host targets: disable or target1,target2,...
944 (default=disable)]),,
947 if test ${enableval} != "disable"
949 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
952 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
954 dnl Determine whether we are building LLVM support for the native architecture.
955 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
956 for a_target in $TARGETS_TO_BUILD; do
957 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
958 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
959 [LLVM architecture name for the native architecture, if available])
960 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
961 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
962 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
963 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
964 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
965 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
967 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
968 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
970 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
971 [LLVM name for the native Target init function, if available])
972 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
973 [LLVM name for the native TargetInfo init function, if available])
974 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
975 [LLVM name for the native target MC init function, if available])
976 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
977 [LLVM name for the native AsmPrinter init function, if available])
978 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
979 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
980 [LLVM name for the native AsmParser init function, if available])
982 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
983 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
984 [LLVM name for the native Disassembler init function, if available])
989 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
990 dnl target feature def files.
992 LLVM_ENUM_ASM_PRINTERS=""
993 LLVM_ENUM_ASM_PARSERS=""
994 LLVM_ENUM_DISASSEMBLERS=""
995 for target_to_build in $TARGETS_TO_BUILD; do
996 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
997 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
998 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
1000 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
1001 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
1003 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
1004 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
1007 AC_SUBST(LLVM_ENUM_TARGETS)
1008 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
1009 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
1010 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
1012 dnl Override the option to use for optimized builds.
1013 AC_ARG_WITH(optimize-option,
1014 AS_HELP_STRING([--with-optimize-option],
1015 [Select the compiler options to use for optimized builds]),,
1017 AC_MSG_CHECKING([optimization flags])
1020 case "$llvm_cv_os_type" in
1021 FreeBSD) optimize_option=-O2 ;;
1022 MingW) optimize_option=-O2 ;;
1023 *) optimize_option=-O3 ;;
1025 *) optimize_option="$withval" ;;
1027 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
1028 AC_MSG_RESULT([$optimize_option])
1030 dnl Specify extra build options
1031 AC_ARG_WITH(extra-options,
1032 AS_HELP_STRING([--with-extra-options],
1033 [Specify additional options to compile LLVM with]),,
1036 default) EXTRA_OPTIONS= ;;
1037 *) EXTRA_OPTIONS=$withval ;;
1039 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
1041 dnl Specify extra linker build options
1042 AC_ARG_WITH(extra-ld-options,
1043 AS_HELP_STRING([--with-extra-ld-options],
1044 [Specify additional options to link LLVM with]),,
1047 default) EXTRA_LD_OPTIONS= ;;
1048 *) EXTRA_LD_OPTIONS=$withval ;;
1050 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
1052 dnl Allow specific bindings to be specified for building (or not)
1053 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
1054 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
1056 BINDINGS_TO_BUILD=""
1057 case "$enableval" in
1058 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
1059 all ) BINDINGS_TO_BUILD="ocaml" ;;
1060 none | no) BINDINGS_TO_BUILD="" ;;
1061 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
1062 case "$a_binding" in
1063 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
1064 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
1070 dnl Allow the ocaml libdir to be overridden. This could go in a configure
1071 dnl script for bindings/ocaml/configure, except that its auto value depends on
1072 dnl OCAMLC, which is found here to support tests.
1073 AC_ARG_WITH([ocaml-libdir],
1074 [AS_HELP_STRING([--with-ocaml-libdir],
1075 [Specify install location for ocaml bindings (default is stdlib)])],
1079 auto) with_ocaml_libdir="$withval" ;;
1080 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
1081 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
1084 AC_ARG_WITH(clang-srcdir,
1085 AS_HELP_STRING([--with-clang-srcdir],
1086 [Directory to the out-of-tree Clang source]),,
1089 -) clang_src_root="" ;;
1090 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
1091 *) clang_src_root="$ac_pwd/$withval" ;;
1093 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1095 AC_ARG_WITH(clang-resource-dir,
1096 AS_HELP_STRING([--with-clang-resource-dir],
1097 [Relative directory from the Clang binary for resource files]),,
1099 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1100 [Relative directory for resource files])
1102 AC_ARG_WITH(c-include-dirs,
1103 AS_HELP_STRING([--with-c-include-dirs],
1104 [Colon separated list of directories clang will search for headers]),,
1106 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1107 [Directories clang will search for headers])
1109 # Clang normally uses the system c++ headers and libraries. With this option,
1110 # clang will use the ones provided by a gcc installation instead. This option should
1111 # be passed the same value that was used with --prefix when configuring gcc.
1112 AC_ARG_WITH(gcc-toolchain,
1113 AS_HELP_STRING([--with-gcc-toolchain],
1114 [Directory where gcc is installed.]),,
1116 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1117 [Directory where gcc is installed.])
1119 AC_ARG_WITH(default-sysroot,
1120 AS_HELP_STRING([--with-default-sysroot],
1121 [Add --sysroot=<path> to all compiler invocations.]),,
1123 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1124 [Default <path> to all compiler invocations for --sysroot=<path>.])
1126 dnl Allow linking of LLVM with GPLv3 binutils code.
1127 AC_ARG_WITH(binutils-include,
1128 AS_HELP_STRING([--with-binutils-include],
1129 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1132 default) WITH_BINUTILS_INCDIR=default ;;
1133 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1134 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1136 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1137 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1138 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1139 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1140 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1144 dnl Specify the URL where bug reports should be submitted.
1145 AC_ARG_WITH(bug-report-url,
1146 AS_HELP_STRING([--with-bug-report-url],
1147 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1148 withval="http://llvm.org/bugs/")
1149 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1152 dnl --enable-terminfo: check whether the user wants to control use of terminfo:
1153 AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
1154 [--enable-terminfo],
1155 [Query the terminfo database if available (default is YES)]),
1156 [case "$enableval" in
1157 yes) llvm_cv_enable_terminfo="yes" ;;
1158 no) llvm_cv_enable_terminfo="no" ;;
1159 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
1161 llvm_cv_enable_terminfo="yes")
1163 dnl --enable-libffi : check whether the user wants to turn off libffi:
1164 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1165 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1166 [case "$enableval" in
1167 yes) llvm_cv_enable_libffi="yes" ;;
1168 no) llvm_cv_enable_libffi="no" ;;
1169 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1171 llvm_cv_enable_libffi=no)
1173 AC_ARG_WITH(internal-prefix,
1174 AS_HELP_STRING([--with-internal-prefix],
1175 [Installation directory for internal files]),,
1177 AC_SUBST(INTERNAL_PREFIX,[$withval])
1179 dnl===-----------------------------------------------------------------------===
1181 dnl=== SECTION 4: Check for programs we need and that they are the right version
1183 dnl===-----------------------------------------------------------------------===
1188 dnl Check for the tools that the makefiles require
1191 AC_PATH_PROG(CMP, [cmp], [cmp])
1192 AC_PATH_PROG(CP, [cp], [cp])
1193 AC_PATH_PROG(DATE, [date], [date])
1194 AC_PATH_PROG(FIND, [find], [find])
1195 AC_PATH_PROG(GREP, [grep], [grep])
1196 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1197 AC_PATH_PROG(MV, [mv], [mv])
1199 AC_CHECK_TOOL(AR, ar, false)
1200 AC_PATH_PROG(RM, [rm], [rm])
1201 AC_PATH_PROG(SED, [sed], [sed])
1202 AC_PATH_PROG(TAR, [tar], [gtar])
1203 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1205 dnl Looking for misc. graph plotting software
1206 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
1207 if test "$GRAPHVIZ" != "echo Graphviz" ; then
1208 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
1209 dnl If we're targeting for mingw we should emit windows paths, not msys
1210 if test "$llvm_cv_os_type" = "MingW" ; then
1211 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1213 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1214 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1216 AC_PATH_PROG(DOT, [dot], [echo dot])
1217 if test "$DOT" != "echo dot" ; then
1218 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1219 dnl If we're targeting for mingw we should emit windows paths, not msys
1220 if test "$llvm_cv_os_type" = "MingW" ; then
1221 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1223 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1224 [Define to path to dot program if found or 'echo dot' otherwise])
1226 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1227 if test "$FDP" != "echo fdp" ; then
1228 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1229 dnl If we're targeting for mingw we should emit windows paths, not msys
1230 if test "$llvm_cv_os_type" = "MingW" ; then
1231 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1233 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1234 [Define to path to fdp program if found or 'echo fdp' otherwise])
1236 AC_PATH_PROG(NEATO, [neato], [echo neato])
1237 if test "$NEATO" != "echo neato" ; then
1238 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1239 dnl If we're targeting for mingw we should emit windows paths, not msys
1240 if test "$llvm_cv_os_type" = "MingW" ; then
1241 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1243 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1244 [Define to path to neato program if found or 'echo neato' otherwise])
1246 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1247 if test "$TWOPI" != "echo twopi" ; then
1248 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1249 dnl If we're targeting for mingw we should emit windows paths, not msys
1250 if test "$llvm_cv_os_type" = "MingW" ; then
1251 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1253 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1254 [Define to path to twopi program if found or 'echo twopi' otherwise])
1256 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1257 if test "$CIRCO" != "echo circo" ; then
1258 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1259 dnl If we're targeting for mingw we should emit windows paths, not msys
1260 if test "$llvm_cv_os_type" = "MingW" ; then
1261 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1263 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1264 [Define to path to circo program if found or 'echo circo' otherwise])
1266 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1267 if test "$GV" != "echo gv" ; then
1268 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1269 dnl If we're targeting for mingw we should emit windows paths, not msys
1270 if test "$llvm_cv_os_type" = "MingW" ; then
1271 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1273 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1274 [Define to path to gv program if found or 'echo gv' otherwise])
1276 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1277 if test "$DOTTY" != "echo dotty" ; then
1278 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1279 dnl If we're targeting for mingw we should emit windows paths, not msys
1280 if test "$llvm_cv_os_type" = "MingW" ; then
1281 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1283 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1284 [Define to path to dotty program if found or 'echo dotty' otherwise])
1286 AC_PATH_PROGS(XDOT, [xdot xdot.py], [echo xdot])
1287 if test "$XDOT" != "echo xdot" ; then
1288 AC_DEFINE([HAVE_XDOT],[1],[Define if the xdot program is available])
1289 dnl If we're targeting for mingw we should emit windows paths, not msys
1290 if test "$llvm_cv_os_type" = "MingW" ; then
1291 XDOT=`echo $XDOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1293 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT],"$XDOT${EXEEXT}",
1294 [Define to path to xdot program if found or 'echo xdot' otherwise])
1297 dnl Find the install program
1299 dnl Prepend src dir to install path dir if it's a relative path
1300 dnl This is a hack for installs that take place in something other
1301 dnl than the top level.
1303 [[\\/$]]* | ?:[[\\/]]* ) ;;
1304 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1307 dnl Checks for documentation and testing tools that we can do without. If these
1308 dnl are not found then they are set to "true" which always succeeds but does
1309 dnl nothing. This just lets the build output show that we could have done
1310 dnl something if the tool was available.
1311 AC_PATH_PROG(BZIP2, [bzip2])
1312 AC_PATH_PROG(CAT, [cat])
1313 AC_PATH_PROG(DOXYGEN, [doxygen])
1314 AC_PATH_PROG(GROFF, [groff])
1315 AC_PATH_PROG(GZIPBIN, [gzip])
1316 AC_PATH_PROG(PDFROFF, [pdfroff])
1317 AC_PATH_PROG(ZIP, [zip])
1318 AC_PATH_PROGS(OCAMLC, [ocamlc])
1319 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1320 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1321 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1322 AC_PATH_PROGS(GAS, [gas as])
1324 dnl Get the version of the linker in use.
1327 dnl Determine whether the linker supports the -R option.
1330 dnl Determine whether the compiler supports the -rdynamic option.
1331 AC_LINK_EXPORT_DYNAMIC
1333 dnl Determine whether the linker supports the --version-script option.
1334 AC_LINK_VERSION_SCRIPT
1336 dnl Check for libtool and the library that has dlopen function (which must come
1337 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1342 AC_MSG_CHECKING([tool compatibility])
1344 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1345 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1346 dnl to support those options.
1347 dnl "icc" emits gcc signatures
1348 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1360 if test "$GCC" != "yes" && test "$ICC" != "yes"
1362 AC_MSG_ERROR([gcc|icc required but not found])
1365 dnl Ensure that compilation tools are compatible with GCC extensions
1366 if test "$GXX" != "yes" && test "$IXX" != "yes"
1368 AC_MSG_ERROR([g++|clang++|icc required but not found])
1371 dnl Verify that GCC is version 3.0 or higher
1372 if test "$GCC" = "yes"
1377 #if !defined(__GNUC__) || __GNUC__ < 3
1378 #error Unsupported GCC version
1382 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1385 dnl Check for GNU Make. We use its extensions, so don't build without it
1386 if test -z "$llvm_cv_gnu_make_command"
1388 AC_MSG_ERROR([GNU Make required but not found])
1391 dnl Tool compatibility is okay if we make it here.
1394 dnl Check optional compiler flags.
1395 AC_MSG_CHECKING([optional compiler flags])
1396 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1397 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1398 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1400 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1401 dnl false positives, so disable it.
1403 NO_MAYBE_UNINITIALIZED=
1404 if test "$GXX" = "yes"
1406 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1407 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1408 dnl known to be uninitialized from cases which might be uninitialized. We
1409 dnl still want to catch the first kind of errors.
1410 if test -z "$NO_MAYBE_UNINITIALIZED"
1412 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1415 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
1417 AC_ARG_WITH([python],
1418 [AS_HELP_STRING([--with-python], [path to python])],
1419 [PYTHON="$withval"])
1421 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1422 AC_MSG_CHECKING([for python])
1423 AC_MSG_RESULT([user defined: $with_python])
1425 if test -n "$PYTHON" ; then
1426 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1429 AC_PATH_PROG([PYTHON], [python python2 python26],
1430 [AC_MSG_RESULT([not found])
1431 AC_MSG_ERROR([could not find python 2.5 or higher])])
1434 AC_MSG_CHECKING([for python >= 2.5])
1435 ac_python_version=`$PYTHON -V 2>&1 | cut -d' ' -f2`
1436 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1437 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1438 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1439 if test "$ac_python_version_major" -gt "2" || \
1440 (test "$ac_python_version_major" -eq "2" && \
1441 test "$ac_python_version_minor" -ge "5") ; then
1442 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1444 AC_MSG_RESULT([not found])
1445 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5])
1448 dnl===-----------------------------------------------------------------------===
1450 dnl=== SECTION 5: Check for libraries
1452 dnl===-----------------------------------------------------------------------===
1455 if test "$llvm_cv_os_type" = "MingW" ; then
1456 AC_CHECK_LIB(imagehlp, main)
1457 AC_CHECK_LIB(psapi, main)
1458 AC_CHECK_LIB(shell32, main)
1461 dnl dlopen() is required for plugin support.
1462 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1463 [Define if dlopen() is available on this platform.]),
1464 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1466 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1467 dnl macros to detect whether clock_gettime is available, this just finds the
1468 dnl right libraries to link with.
1469 AC_SEARCH_LIBS(clock_gettime,rt)
1471 dnl The curses library is optional; used for querying terminal info
1472 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1473 dnl We need the has_color functionality in curses for it to be useful.
1474 AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw,
1475 AC_DEFINE([HAVE_TERMINFO],[1],
1476 [Define if the setupterm() function is supported this platform.]))
1479 dnl libffi is optional; used to call external functions from the interpreter
1480 if test "$llvm_cv_enable_libffi" = "yes" ; then
1481 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1482 [Define if libffi is available on this platform.]),
1483 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1486 dnl mallinfo is optional; the code can compile (minus features) without it
1487 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1488 [Define if mallinfo() is available on this platform.]))
1490 dnl pthread locking functions are optional - but llvm will not be thread-safe
1492 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1493 AC_CHECK_LIB(pthread, pthread_mutex_init)
1494 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1495 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1496 [Have pthread_mutex_lock]))
1497 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1498 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1499 [Have pthread_rwlock_init]))
1500 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1501 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1502 [Have pthread_getspecific]))
1505 dnl zlib is optional; used for compression/uncompression
1506 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1507 AC_CHECK_LIB(z, compress2)
1510 dnl Allow extra x86-disassembler library
1512 AS_HELP_STRING([--with-udis86=<path>],
1513 [Use udis86 external x86 disassembler library]),
1515 AC_SUBST(USE_UDIS86, [1])
1518 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1520 AC_CHECK_LIB(udis86, ud_init, [], [
1521 echo "Error! You need to have libudis86 around."
1525 AC_SUBST(USE_UDIS86, [0]))
1526 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1527 [Define if use udis86 library])
1529 dnl Allow OProfile support for JIT output.
1530 AC_ARG_WITH(oprofile,
1531 AS_HELP_STRING([--with-oprofile=<prefix>],
1532 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1534 AC_SUBST(USE_OPROFILE, [1])
1536 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1538 AC_SUBST(USE_OPROFILE, [0]) ;;
1539 *) llvm_cv_oppath="${withval}/lib/oprofile"
1540 CPPFLAGS="-I${withval}/include";;
1542 case $llvm_cv_os_type in
1544 if test -n "$llvm_cv_oppath" ; then
1545 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1546 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1547 dnl libbfd is not included properly in libopagent in some Debian
1548 dnl versions. If libbfd isn't found at all, we assume opagent works
1550 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1551 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1552 echo "Error! You need to have libopagent around."
1555 AC_CHECK_HEADER([opagent.h], [], [
1556 echo "Error! You need to have opagent.h around."
1561 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1565 AC_SUBST(USE_OPROFILE, [0])
1567 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1568 [Define if we have the oprofile JIT-support library])
1570 dnl Enable support for Intel JIT Events API.
1571 AC_ARG_WITH(intel-jitevents,
1572 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1575 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1576 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1577 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1580 case $llvm_cv_os_type in
1581 Linux|Win32|Cygwin|MingW) ;;
1582 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1585 case "$llvm_cv_target_arch" in
1587 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1591 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1593 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1594 [Define if we have the Intel JIT API runtime support library])
1596 dnl Check for libxml2
1597 dnl Right now we're just checking for the existence, we could also check for a
1598 dnl particular version via --version on xml2-config
1599 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1601 AC_MSG_CHECKING(for libxml2 includes)
1602 if test "x$XML2CONFIG" = "x"; then
1603 AC_MSG_RESULT(xml2-config not found)
1605 LIBXML2_INC=`$XML2CONFIG --cflags`
1606 AC_MSG_RESULT($LIBXML2_INC)
1607 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1608 LIBXML2_LIBS="-lxml2"])
1610 AC_SUBST(LIBXML2_LIBS)
1611 AC_SUBST(LIBXML2_INC)
1613 dnl===-----------------------------------------------------------------------===
1615 dnl=== SECTION 6: Check for header files
1617 dnl===-----------------------------------------------------------------------===
1619 dnl First, use autoconf provided macros for specific headers that we need
1620 dnl We don't check for ancient stuff or things that are guaranteed to be there
1621 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1622 dnl Generally we're looking for POSIX headers.
1624 AC_HEADER_MMAP_ANONYMOUS
1630 AC_CHECK_HEADERS([cxxabi.h])
1632 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
1633 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1634 AC_CHECK_HEADERS([utime.h])
1635 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1636 AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
1637 AC_CHECK_HEADERS([valgrind/valgrind.h])
1638 AC_CHECK_HEADERS([fenv.h])
1639 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1640 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1641 AC_CHECK_HEADERS(pthread.h,
1642 AC_SUBST(HAVE_PTHREAD, 1),
1643 AC_SUBST(HAVE_PTHREAD, 0))
1645 AC_SUBST(HAVE_PTHREAD, 0)
1647 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1648 AC_CHECK_HEADERS(zlib.h,
1649 AC_SUBST(HAVE_LIBZ, 1),
1650 AC_SUBST(HAVE_LIBZ, 0))
1652 AC_SUBST(HAVE_LIBZ, 0)
1655 dnl Try to find ffi.h.
1656 if test "$llvm_cv_enable_libffi" = "yes" ; then
1657 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1660 dnl Try to find Darwin specific crash reporting libraries.
1661 AC_CHECK_HEADERS([CrashReporterClient.h])
1663 dnl Try to find Darwin specific crash reporting global.
1664 AC_MSG_CHECKING([__crashreporter_info__])
1668 extern const char *__crashreporter_info__;
1670 __crashreporter_info__ = "test";
1676 AC_MSG_RESULT([yes])
1677 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1681 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1684 dnl===-----------------------------------------------------------------------===
1686 dnl=== SECTION 7: Check for types and structures
1688 dnl===-----------------------------------------------------------------------===
1693 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1695 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1696 AC_CHECK_TYPES([uint64_t],,
1697 AC_CHECK_TYPES([u_int64_t],,
1698 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1700 dnl===-----------------------------------------------------------------------===
1702 dnl=== SECTION 8: Check for specific functions needed
1704 dnl===-----------------------------------------------------------------------===
1706 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1707 AC_CHECK_FUNCS([powf fmodf strtof round ])
1708 AC_CHECK_FUNCS([log log2 log10 exp exp2])
1709 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1710 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1711 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
1712 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1713 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1714 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1715 AC_CHECK_FUNCS([futimes futimens])
1719 dnl Check the declaration "Secure API" on Windows environments.
1720 AC_CHECK_DECLS([strerror_s])
1722 dnl Check symbols in libgcc.a for JIT on Mingw.
1723 if test "$llvm_cv_os_type" = "MingW" ; then
1724 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1725 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1726 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1727 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1729 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1730 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1731 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1732 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1733 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1734 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1735 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1736 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1737 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1738 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1740 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1741 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1744 dnl Check Win32 API EnumerateLoadedModules.
1745 if test "$llvm_cv_os_type" = "MingW" ; then
1746 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1750 #include <windows.h>
1751 #include <imagehlp.h>
1752 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1753 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1757 AC_MSG_RESULT([yes])
1758 llvm_cv_win32_elmcb_pcstr="PCSTR"
1762 llvm_cv_win32_elmcb_pcstr="PSTR"
1764 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1767 dnl Check for variations in the Standard C++ library and STL. These macros are
1768 dnl provided by LLVM in the autoconf/m4 directory.
1772 dnl Check for mmap support.We also need to know if /dev/zero is required to
1773 dnl be opened for allocating RWX memory.
1774 dnl Make sure we aren't attempting to configure for an unknown system
1775 if test "$llvm_cv_platform_type" = "Unix" ; then
1778 AC_NEED_DEV_ZERO_FOR_MMAP
1780 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1782 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1784 if test "$ac_cv_func_mmap_file" = "no"
1786 AC_MSG_WARN([mmap() of files required but not found])
1790 dnl atomic builtins are required for threading support.
1791 AC_MSG_CHECKING(for GCC atomic builtins)
1792 dnl Since we'll be using these atomic builtins in C++ files we should test
1793 dnl the C++ compiler.
1799 volatile unsigned long val = 1;
1800 __sync_synchronize();
1801 __sync_val_compare_and_swap(&val, 1, 0);
1802 __sync_add_and_fetch(&val, 1);
1803 __sync_sub_and_fetch(&val, 1);
1809 AC_MSG_RESULT([yes])
1810 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1814 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1815 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1819 dnl===-----------------------------------------------------------------------===
1821 dnl=== SECTION 9: Additional checks, variables, etc.
1823 dnl===-----------------------------------------------------------------------===
1825 dnl Handle 32-bit linux systems running a 64-bit kernel.
1826 dnl This has to come after section 4 because it invokes the compiler.
1827 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1829 if test "$llvm_cv_linux_mixed" = "yes"; then
1830 llvm_cv_target_arch="x86"
1835 dnl Check whether __dso_handle is present
1836 AC_CHECK_FUNCS([__dso_handle])
1838 dnl Propagate the shared library extension that the libltdl checks did to
1839 dnl the Makefiles so we can use it there too
1840 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1842 dnl Propagate the run-time library path variable that the libltdl
1843 dnl checks found to the Makefiles so we can use it there too
1844 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1846 dnl Translate the various configuration directories and other basic
1847 dnl information into substitutions that will end up in Makefile.config.in
1848 dnl that these configured values can be used by the makefiles
1849 if test "${prefix}" = "NONE" ; then
1852 eval LLVM_PREFIX="${prefix}";
1853 eval LLVM_BINDIR="${prefix}/bin";
1854 eval LLVM_DATADIR="${prefix}/share/llvm";
1855 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1856 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1857 eval LLVM_INCLUDEDIR="${prefix}/include";
1858 eval LLVM_INFODIR="${prefix}/info";
1859 eval LLVM_MANDIR="${prefix}/man";
1860 LLVM_CONFIGTIME=`date`
1861 AC_SUBST(LLVM_PREFIX)
1862 AC_SUBST(LLVM_BINDIR)
1863 AC_SUBST(LLVM_DATADIR)
1864 AC_SUBST(LLVM_DOCSDIR)
1865 AC_SUBST(LLVM_ETCDIR)
1866 AC_SUBST(LLVM_INCLUDEDIR)
1867 AC_SUBST(LLVM_INFODIR)
1868 AC_SUBST(LLVM_MANDIR)
1869 AC_SUBST(LLVM_CONFIGTIME)
1871 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1872 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1873 LLVM_CONFIGTIME="(timestamp not enabled)"
1876 dnl Place the various directories into the config.h file as #defines so that we
1877 dnl can know about the installation paths within LLVM.
1878 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1879 [Installation prefix directory])
1880 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1881 [Installation directory for binary executables])
1882 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1883 [Installation directory for data files])
1884 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1885 [Installation directory for documentation])
1886 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1887 [Installation directory for config files])
1888 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1889 [Installation directory for include files])
1890 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1891 [Installation directory for .info files])
1892 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1893 [Installation directory for man pages])
1894 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1895 [Time at which LLVM was configured])
1896 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
1897 [Host triple LLVM will be executed on])
1898 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1899 [Target triple LLVM will generate code for by default])
1901 dnl Determine which bindings to build.
1902 if test "$BINDINGS_TO_BUILD" = auto ; then
1903 BINDINGS_TO_BUILD=""
1904 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1905 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1908 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1910 dnl This isn't really configurey, but it avoids having to repeat the list in
1912 AC_SUBST(ALL_BINDINGS,ocaml)
1914 dnl Do any work necessary to ensure that bindings have what they need.
1915 binding_prereqs_failed=0
1916 for a_binding in $BINDINGS_TO_BUILD ; do
1917 case "$a_binding" in
1919 if test "x$OCAMLC" = x ; then
1920 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1921 binding_prereqs_failed=1
1923 if test "x$OCAMLDEP" = x ; then
1924 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1925 binding_prereqs_failed=1
1927 if test "x$OCAMLOPT" = x ; then
1928 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1929 dnl ocamlopt is optional!
1931 if test "x$with_ocaml_libdir" != xauto ; then
1932 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1934 ocaml_stdlib="`"$OCAMLC" -where`"
1935 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1937 # ocaml stdlib is beneath our prefix; use stdlib
1938 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1940 # ocaml stdlib is outside our prefix; use libdir/ocaml
1941 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
1947 if test "$binding_prereqs_failed" = 1 ; then
1948 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1951 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1952 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1954 dnl Determine linker rpath flag
1955 if test "$llvm_cv_link_use_r" = "yes" ; then
1962 dnl Determine linker rdynamic flag
1963 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1964 RDYNAMIC="-rdynamic"
1970 dnl===-----------------------------------------------------------------------===
1972 dnl=== SECTION 10: Specify the output files and generate it
1974 dnl===-----------------------------------------------------------------------===
1976 dnl Configure header files
1977 dnl WARNING: dnl If you add or remove any of the following config headers, then
1978 dnl you MUST also update Makefile so that the variable FilesToConfig
1979 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1980 dnl files can be updated automatically when their *.in sources change.
1981 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1982 AH_TOP([#ifndef CONFIG_H
1986 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1987 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1988 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1989 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1990 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1992 dnl Configure the makefile's configuration data
1993 AC_CONFIG_FILES([Makefile.config])
1995 dnl Configure the RPM spec file for LLVM
1996 AC_CONFIG_FILES([llvm.spec])
1998 dnl Configure doxygen's configuration file
1999 AC_CONFIG_FILES([docs/doxygen.cfg])
2001 dnl Configure clang, if present
2002 if test "${clang_src_root}" = ""; then
2003 clang_src_root="$srcdir/tools/clang"
2005 if test -f ${clang_src_root}/README.txt; then
2006 dnl Use variables to stay under 80 columns.
2007 configh="include/clang/Config/config.h"
2008 doxy="docs/doxygen.cfg"
2009 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
2010 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
2013 dnl OCaml findlib META file
2014 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
2016 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
2017 test "x$program_prefix" = "xNONE" && program_prefix=""
2018 AC_SUBST([program_prefix])
2021 dnl Do special configuration of Makefiles
2022 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
2023 AC_CONFIG_MAKEFILE(Makefile)
2024 AC_CONFIG_MAKEFILE(Makefile.common)
2025 AC_CONFIG_MAKEFILE(examples/Makefile)
2026 AC_CONFIG_MAKEFILE(lib/Makefile)
2027 AC_CONFIG_MAKEFILE(test/Makefile)
2028 AC_CONFIG_MAKEFILE(test/Makefile.tests)
2029 AC_CONFIG_MAKEFILE(unittests/Makefile)
2030 AC_CONFIG_MAKEFILE(tools/Makefile)
2031 AC_CONFIG_MAKEFILE(utils/Makefile)
2032 AC_CONFIG_MAKEFILE(projects/Makefile)
2033 AC_CONFIG_MAKEFILE(bindings/Makefile)
2034 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
2036 dnl Finally, crank out the output