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 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
214 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
220 dnl Disable the build of polly, even if it is checked out into tools/polly.
222 AS_HELP_STRING([--enable-polly],
223 [Use polly if available (default is YES)]),,
226 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
227 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
228 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
229 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
233 dnl Check if polly is checked out into tools/polly and configure it if
235 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
236 AC_SUBST(LLVM_HAS_POLLY,1)
237 AC_CONFIG_SUBDIRS([tools/polly])
240 dnl===-----------------------------------------------------------------------===
242 dnl=== SECTION 2: Architecture, target, and host checks
244 dnl===-----------------------------------------------------------------------===
246 dnl Check the target for which we're compiling and the host that will do the
247 dnl compilations. This will tell us which LLVM compiler will be used for
248 dnl compiling SSA into object code. This needs to be done early because
249 dnl following tests depend on it.
252 dnl Determine the platform type and cache its value. This helps us configure
253 dnl the System library to the correct build platform.
254 AC_CACHE_CHECK([type of operating system we're going to host on],
258 llvm_cv_link_all_option="-Wl,--whole-archive"
259 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
260 llvm_cv_os_type="AIX"
261 llvm_cv_platform_type="Unix" ;;
263 llvm_cv_link_all_option="-Wl,--whole-archive"
264 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
265 llvm_cv_os_type="IRIX"
266 llvm_cv_platform_type="Unix" ;;
268 llvm_cv_link_all_option="-Wl,--whole-archive"
269 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
270 llvm_cv_os_type="Cygwin"
271 llvm_cv_platform_type="Unix" ;;
273 llvm_cv_link_all_option="-Wl,-all_load"
274 llvm_cv_no_link_all_option="-Wl,-noall_load"
275 llvm_cv_os_type="Darwin"
276 llvm_cv_platform_type="Unix" ;;
278 llvm_cv_link_all_option="-Wl,-all_load"
279 llvm_cv_no_link_all_option="-Wl,-noall_load"
280 llvm_cv_os_type="Minix"
281 llvm_cv_platform_type="Unix" ;;
283 llvm_cv_link_all_option="-Wl,--whole-archive"
284 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
285 llvm_cv_os_type="FreeBSD"
286 llvm_cv_platform_type="Unix" ;;
288 llvm_cv_link_all_option="-Wl,--whole-archive"
289 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
290 llvm_cv_os_type="GNU/kFreeBSD"
291 llvm_cv_platform_type="Unix" ;;
293 llvm_cv_link_all_option="-Wl,--whole-archive"
294 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
295 llvm_cv_os_type="OpenBSD"
296 llvm_cv_platform_type="Unix" ;;
298 llvm_cv_link_all_option="-Wl,--whole-archive"
299 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
300 llvm_cv_os_type="NetBSD"
301 llvm_cv_platform_type="Unix" ;;
303 llvm_cv_link_all_option="-Wl,--whole-archive"
304 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
305 llvm_cv_os_type="DragonFly"
306 llvm_cv_platform_type="Unix" ;;
308 llvm_cv_link_all_option="-Wl,--whole-archive"
309 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
310 llvm_cv_os_type="HP-UX"
311 llvm_cv_platform_type="Unix" ;;
313 llvm_cv_link_all_option="-Wl,--whole-archive"
314 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
315 llvm_cv_os_type="Interix"
316 llvm_cv_platform_type="Unix" ;;
318 llvm_cv_link_all_option="-Wl,--whole-archive"
319 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
320 llvm_cv_os_type="Linux"
321 llvm_cv_platform_type="Unix" ;;
323 llvm_cv_link_all_option="-Wl,--whole-archive"
324 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
325 llvm_cv_os_type="GNU"
326 llvm_cv_platform_type="Unix" ;;
328 llvm_cv_link_all_option="-Wl,-z,allextract"
329 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
330 llvm_cv_os_type="SunOS"
331 llvm_cv_platform_type="Unix" ;;
333 llvm_cv_link_all_option="-Wl,-z,allextract"
334 llvm_cv_link_all_option="-Wl,-z,defaultextract"
335 llvm_cv_os_type="AuroraUX"
336 llvm_cv_platform_type="Unix" ;;
338 llvm_cv_link_all_option="-Wl,--whole-archive"
339 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
340 llvm_cv_os_type="Win32"
341 llvm_cv_platform_type="Win32" ;;
343 llvm_cv_link_all_option="-Wl,--whole-archive"
344 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
345 llvm_cv_os_type="MingW"
346 llvm_cv_platform_type="Win32" ;;
348 llvm_cv_link_all_option="-Wl,--whole-archive"
349 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
350 llvm_cv_os_type="Haiku"
351 llvm_cv_platform_type="Unix" ;;
353 llvm_cv_link_all_option="-Wl,--whole-archive"
354 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
355 llvm_cv_os_type="Freestanding"
356 llvm_cv_platform_type="Unix" ;;
358 llvm_cv_link_all_option="-Wl,--whole-archive"
359 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
360 llvm_cv_os_type="Freestanding"
361 llvm_cv_platform_type="Unix" ;;
363 llvm_cv_link_all_option=""
364 llvm_cv_no_link_all_option=""
365 llvm_cv_os_type="Unknown"
366 llvm_cv_platform_type="Unknown" ;;
369 AC_CACHE_CHECK([type of operating system we're going to target],
370 [llvm_cv_target_os_type],
373 llvm_cv_target_os_type="AIX" ;;
375 llvm_cv_target_os_type="IRIX" ;;
377 llvm_cv_target_os_type="Cygwin" ;;
379 llvm_cv_target_os_type="Darwin" ;;
381 llvm_cv_target_os_type="Minix" ;;
383 llvm_cv_target_os_type="FreeBSD" ;;
385 llvm_cv_target_os_type="GNU/kFreeBSD" ;;
387 llvm_cv_target_os_type="OpenBSD" ;;
389 llvm_cv_target_os_type="NetBSD" ;;
391 llvm_cv_target_os_type="DragonFly" ;;
393 llvm_cv_target_os_type="HP-UX" ;;
395 llvm_cv_target_os_type="Interix" ;;
397 llvm_cv_target_os_type="Linux" ;;
399 llvm_cv_target_os_type="GNU" ;;
401 llvm_cv_target_os_type="SunOS" ;;
403 llvm_cv_target_os_type="AuroraUX" ;;
405 llvm_cv_target_os_type="Win32" ;;
407 llvm_cv_target_os_type="MingW" ;;
409 llvm_cv_target_os_type="Haiku" ;;
411 llvm_cv_target_os_type="RTEMS" ;;
413 llvm_cv_target_os_type="NativeClient" ;;
415 llvm_cv_target_os_type="Freestanding" ;;
417 llvm_cv_target_os_type="Unknown" ;;
420 dnl Make sure we aren't attempting to configure for an unknown system
421 if test "$llvm_cv_os_type" = "Unknown" ; then
422 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
425 dnl Set the "OS" Makefile variable based on the platform type so the
426 dnl makefile can configure itself to specific build hosts
427 AC_SUBST(OS,$llvm_cv_os_type)
428 AC_SUBST(HOST_OS,$llvm_cv_os_type)
429 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
431 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
432 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
433 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
435 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
436 dnl This is used by lib/Support to determine the basic kind of implementation
438 case $llvm_cv_platform_type in
440 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
441 AC_SUBST(LLVM_ON_UNIX,[1])
442 AC_SUBST(LLVM_ON_WIN32,[0])
445 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
446 AC_SUBST(LLVM_ON_UNIX,[0])
447 AC_SUBST(LLVM_ON_WIN32,[1])
451 dnl Determine what our target architecture is and configure accordingly.
452 dnl This will allow Makefiles to make a distinction between the hardware and
454 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
456 i?86-*) llvm_cv_target_arch="x86" ;;
457 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
458 sparc*-*) llvm_cv_target_arch="Sparc" ;;
459 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
460 arm*-*) llvm_cv_target_arch="ARM" ;;
461 aarch64*-*) llvm_cv_target_arch="AArch64" ;;
462 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
463 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
464 xcore-*) llvm_cv_target_arch="XCore" ;;
465 msp430-*) llvm_cv_target_arch="MSP430" ;;
466 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
467 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
468 s390x-*) llvm_cv_target_arch="SystemZ" ;;
469 *) llvm_cv_target_arch="Unknown" ;;
472 if test "$llvm_cv_target_arch" = "Unknown" ; then
473 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
476 dnl Determine the LLVM native architecture for the target
477 case "$llvm_cv_target_arch" in
478 x86) LLVM_NATIVE_ARCH="X86" ;;
479 x86_64) LLVM_NATIVE_ARCH="X86" ;;
480 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
483 dnl Define a substitution, ARCH, for the target architecture
484 AC_SUBST(ARCH,$llvm_cv_target_arch)
486 dnl Determine what our host architecture.
487 dnl This will allow MCJIT regress tests runs only for supported
490 i?86-*) host_arch="x86" ;;
491 amd64-* | x86_64-*) host_arch="x86_64" ;;
492 sparc*-*) host_arch="Sparc" ;;
493 powerpc*-*) host_arch="PowerPC" ;;
494 arm*-*) host_arch="ARM" ;;
495 aarch64*-*) host_arch="AArch64" ;;
496 mips-* | mips64-*) host_arch="Mips" ;;
497 mipsel-* | mips64el-*) host_arch="Mips" ;;
498 xcore-*) host_arch="XCore" ;;
499 msp430-*) host_arch="MSP430" ;;
500 hexagon-*) host_arch="Hexagon" ;;
501 s390x-*) host_arch="SystemZ" ;;
502 *) host_arch="Unknown" ;;
505 if test "$host_arch" = "Unknown" ; then
506 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
509 AC_SUBST(HOST_ARCH,$host_arch)
511 dnl Check for build platform executable suffix if we're cross-compiling
512 if test "$cross_compiling" = yes; then
513 AC_SUBST(LLVM_CROSS_COMPILING, [1])
515 ac_build_prefix=${build_alias}-
516 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
517 if test -z "$BUILD_CXX"; then
518 AC_CHECK_PROG(BUILD_CXX, g++, g++)
519 if test -z "$BUILD_CXX"; then
520 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
524 AC_SUBST(LLVM_CROSS_COMPILING, [0])
527 dnl Check to see if there's a .svn or .git directory indicating that this
528 dnl build is being done from a checkout. This sets up several defaults for
529 dnl the command line switches. When we build with a checkout directory,
530 dnl we get a debug with assertions turned on. Without, we assume a source
531 dnl release and we get an optimized build without assertions.
532 dnl See --enable-optimized and --enable-assertions below
533 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
536 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
542 dnl===-----------------------------------------------------------------------===
544 dnl=== SECTION 3: Command line arguments for the configure script.
546 dnl===-----------------------------------------------------------------------===
548 dnl --enable-libcpp : check whether or not to use libc++ on the command line
549 AC_ARG_ENABLE(libcpp,
550 AS_HELP_STRING([--enable-libcpp],
551 [Use libc++ if available (default is NO)]),,
554 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
555 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
556 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
557 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
560 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
562 AS_HELP_STRING([--enable-cxx11],
563 [Use c++11 if available (default is NO)]),,
566 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
567 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
568 default) AC_SUBST(ENABLE_CXX11,[0]);;
569 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
572 dnl --enable-fission : check whether or not to use -gsplit-dwarf on the command
574 AC_ARG_ENABLE(split-dwarf,
575 AS_HELP_STRING([--enable-split-dwarf],
576 [Use split-dwarf if available (default is NO)]),,
579 yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;;
580 no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;;
581 default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);;
582 *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;;
585 dnl --enable-clang-arcmt: check whether to enable clang arcmt
587 AC_ARG_ENABLE(clang-arcmt,
588 AS_HELP_STRING([--enable-clang-arcmt],
589 [Enable building of clang ARCMT (default is YES)]),
590 clang_arcmt="$enableval",
593 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
594 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
595 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
596 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
599 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
600 clang_static_analyzer="yes"
601 AC_ARG_ENABLE(clang-static-analyzer,
602 AS_HELP_STRING([--enable-clang-static-analyzer],
603 [Enable building of clang Static Analyzer (default is YES)]),
604 clang_static_analyzer="$enableval",
607 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
609 if test ${clang_arcmt} != "no" ; then
610 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling static analyzer.])
612 AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0])
614 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
615 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
618 dnl --enable-clang-rewriter: check whether to enable clang rewriter
619 AC_ARG_ENABLE(clang-rewriter,
620 AS_HELP_STRING([--enable-clang-rewriter],
621 [Enable building of clang rewriter (default is YES)]),,
624 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;;
626 if test ${clang_arcmt} != "no" ; then
627 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
629 if test ${clang_static_analyzer} != "no" ; then
630 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
632 AC_SUBST(ENABLE_CLANG_REWRITER,[0])
634 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
635 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
638 dnl --enable-optimized : check whether they want to do an optimized build:
639 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
640 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
641 if test ${enableval} = "no" ; then
642 AC_SUBST(ENABLE_OPTIMIZED,[[]])
644 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
647 dnl --enable-profiling : check whether they want to do a profile build:
648 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
649 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
650 if test ${enableval} = "no" ; then
651 AC_SUBST(ENABLE_PROFILING,[[]])
653 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
656 dnl --enable-assertions : check whether they want to turn on assertions or not:
657 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
658 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
659 if test ${enableval} = "yes" ; then
660 AC_SUBST(DISABLE_ASSERTIONS,[[]])
662 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
665 dnl --enable-werror : check whether we want Werror on by default
666 AC_ARG_ENABLE(werror,AS_HELP_STRING(
667 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
669 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
670 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
671 default) AC_SUBST(ENABLE_WERROR,[0]);;
672 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
675 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
676 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
677 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
678 if test ${enableval} = "yes" ; then
679 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
680 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
682 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
683 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
686 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
687 AC_ARG_ENABLE(debug-runtime,
688 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
689 if test ${enableval} = "no" ; then
690 AC_SUBST(DEBUG_RUNTIME,[[]])
692 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
695 dnl --enable-debug-symbols : should even optimized compiler libraries
696 dnl have debug symbols?
697 AC_ARG_ENABLE(debug-symbols,
698 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)
699 if test ${enableval} = "no" ; then
700 AC_SUBST(DEBUG_SYMBOLS,[[]])
702 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
705 dnl --enable-keep-symbols : do not strip installed executables
706 AC_ARG_ENABLE(keep-symbols,
707 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
708 if test ${enableval} = "no" ; then
709 AC_SUBST(KEEP_SYMBOLS,[[]])
711 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
714 dnl --enable-jit: check whether they want to enable the jit
716 AS_HELP_STRING(--enable-jit,
717 [Enable Just In Time Compiling (default is YES)]),,
719 if test ${enableval} = "no"
723 case "$llvm_cv_target_arch" in
724 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
725 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
726 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
727 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
728 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
729 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
730 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
731 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
732 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
733 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
734 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
735 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
736 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
740 dnl Allow enablement of building and installing docs
742 AS_HELP_STRING([--enable-docs],
743 [Build documents (default is YES)]),,
746 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
747 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
748 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
749 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
752 dnl Allow enablement of doxygen generated documentation
753 AC_ARG_ENABLE(doxygen,
754 AS_HELP_STRING([--enable-doxygen],
755 [Build doxygen documentation (default is NO)]),,
758 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
759 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
760 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
761 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
764 dnl Allow disablement of threads
765 AC_ARG_ENABLE(threads,
766 AS_HELP_STRING([--enable-threads],
767 [Use threads if available (default is YES)]),,
770 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
771 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
772 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
773 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
775 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
776 [Define if threads enabled])
778 dnl Allow disablement of pthread.h
779 AC_ARG_ENABLE(pthreads,
780 AS_HELP_STRING([--enable-pthreads],
781 [Use pthreads if available (default is YES)]),,
784 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
785 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
786 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
787 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
790 dnl Allow disablement of zlib
792 AS_HELP_STRING([--enable-zlib],
793 [Use zlib for compression/decompression if
794 available (default is YES)]),,
797 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
798 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
799 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
800 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
802 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
803 [Define if zlib is enabled])
805 dnl Allow building without position independent code
807 AS_HELP_STRING([--enable-pic],
808 [Build LLVM with Position Independent Code (default is YES)]),,
811 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
812 no) AC_SUBST(ENABLE_PIC,[0]) ;;
813 default) AC_SUBST(ENABLE_PIC,[1]) ;;
814 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
816 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
817 [Define if position independent code is enabled])
819 dnl Allow building a shared library and linking tools against it.
820 AC_ARG_ENABLE(shared,
821 AS_HELP_STRING([--enable-shared],
822 [Build a shared library and link tools against it (default is NO)]),,
825 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
826 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
827 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
828 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
831 dnl Allow libstdc++ is embedded in LLVM.dll.
832 AC_ARG_ENABLE(embed-stdcxx,
833 AS_HELP_STRING([--enable-embed-stdcxx],
834 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
837 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
838 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
839 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
840 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
843 dnl Enable embedding timestamp information into build.
844 AC_ARG_ENABLE(timestamps,
845 AS_HELP_STRING([--enable-timestamps],
846 [Enable embedding timestamp information in build (default is YES)]),,
849 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
850 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
851 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
852 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
854 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
855 [Define if timestamp information (e.g., __DATE__) is allowed])
857 dnl Enable support for showing backtraces.
858 AC_ARG_ENABLE(backtraces, AS_HELP_STRING(
859 [--enable-backtraces],
860 [Enable embedding backtraces on crash (default is YES)]),
861 [case "$enableval" in
862 yes) llvm_cv_enable_backtraces="yes" ;;
863 no) llvm_cv_enable_backtraces="no" ;;
864 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
866 llvm_cv_enable_backtraces="yes")
867 if test "$llvm_cv_enable_backtraces" = "yes" ; then
868 AC_DEFINE([ENABLE_BACKTRACES],[1],
869 [Define if you want backtraces on crash])
872 dnl Enable installing platform specific signal handling overrides, for improved
873 dnl CrashRecovery support or interaction with crash reporting software. This
874 dnl support may be inappropriate for some clients embedding LLVM as a library.
875 AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING(
876 [--enable-crash-overrides],
877 [Enable crash handling overrides (default is YES)]),
878 [case "$enableval" in
879 yes) llvm_cv_enable_crash_overrides="yes" ;;
880 no) llvm_cv_enable_crash_overrides="no" ;;
881 *) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;;
883 llvm_cv_enable_crash_overrides="yes")
884 if test "$llvm_cv_enable_crash_overrides" = "yes" ; then
885 AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1],
886 [Define to enable crash handling overrides])
889 dnl Allow specific targets to be specified for building (or not)
891 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
892 [Build specific host targets: all or target1,target2,... Valid targets are:
893 host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon,
894 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
896 if test "$enableval" = host-only ; then
900 all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600" ;;
901 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
903 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
904 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
905 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
906 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
907 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
908 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
909 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
910 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
911 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
912 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
913 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
914 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
915 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
916 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
917 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
918 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
919 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
920 host) case "$llvm_cv_target_arch" in
921 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
922 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
923 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
924 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
925 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
926 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
927 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
928 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
929 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
930 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
931 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
932 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
933 *) AC_MSG_ERROR([Can not set target to build]) ;;
935 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
941 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
942 [Build experimental host targets: disable or target1,target2,...
943 (default=disable)]),,
946 if test ${enableval} != "disable"
948 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
951 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
953 dnl Determine whether we are building LLVM support for the native architecture.
954 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
955 for a_target in $TARGETS_TO_BUILD; do
956 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
957 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
958 [LLVM architecture name for the native architecture, if available])
959 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
960 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
961 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
962 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
963 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
964 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
966 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
967 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
969 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
970 [LLVM name for the native Target init function, if available])
971 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
972 [LLVM name for the native TargetInfo init function, if available])
973 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
974 [LLVM name for the native target MC init function, if available])
975 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
976 [LLVM name for the native AsmPrinter init function, if available])
977 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
978 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
979 [LLVM name for the native AsmParser init function, if available])
981 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
982 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
983 [LLVM name for the native Disassembler init function, if available])
988 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
989 dnl target feature def files.
991 LLVM_ENUM_ASM_PRINTERS=""
992 LLVM_ENUM_ASM_PARSERS=""
993 LLVM_ENUM_DISASSEMBLERS=""
994 for target_to_build in $TARGETS_TO_BUILD; do
995 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
996 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
997 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
999 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
1000 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
1002 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
1003 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
1006 AC_SUBST(LLVM_ENUM_TARGETS)
1007 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
1008 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
1009 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
1011 dnl Override the option to use for optimized builds.
1012 AC_ARG_WITH(optimize-option,
1013 AS_HELP_STRING([--with-optimize-option],
1014 [Select the compiler options to use for optimized builds]),,
1016 AC_MSG_CHECKING([optimization flags])
1019 case "$llvm_cv_os_type" in
1020 FreeBSD) optimize_option=-O2 ;;
1021 MingW) optimize_option=-O2 ;;
1022 *) optimize_option=-O3 ;;
1024 *) optimize_option="$withval" ;;
1026 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
1027 AC_MSG_RESULT([$optimize_option])
1029 dnl Specify extra build options
1030 AC_ARG_WITH(extra-options,
1031 AS_HELP_STRING([--with-extra-options],
1032 [Specify additional options to compile LLVM with]),,
1035 default) EXTRA_OPTIONS= ;;
1036 *) EXTRA_OPTIONS=$withval ;;
1038 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
1040 dnl Specify extra linker build options
1041 AC_ARG_WITH(extra-ld-options,
1042 AS_HELP_STRING([--with-extra-ld-options],
1043 [Specify additional options to link LLVM with]),,
1046 default) EXTRA_LD_OPTIONS= ;;
1047 *) EXTRA_LD_OPTIONS=$withval ;;
1049 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
1051 dnl Allow specific bindings to be specified for building (or not)
1052 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
1053 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
1055 BINDINGS_TO_BUILD=""
1056 case "$enableval" in
1057 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
1058 all ) BINDINGS_TO_BUILD="ocaml" ;;
1059 none | no) BINDINGS_TO_BUILD="" ;;
1060 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
1061 case "$a_binding" in
1062 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
1063 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
1069 dnl Allow the ocaml libdir to be overridden. This could go in a configure
1070 dnl script for bindings/ocaml/configure, except that its auto value depends on
1071 dnl OCAMLC, which is found here to support tests.
1072 AC_ARG_WITH([ocaml-libdir],
1073 [AS_HELP_STRING([--with-ocaml-libdir],
1074 [Specify install location for ocaml bindings (default is stdlib)])],
1078 auto) with_ocaml_libdir="$withval" ;;
1079 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
1080 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
1083 AC_ARG_WITH(clang-srcdir,
1084 AS_HELP_STRING([--with-clang-srcdir],
1085 [Directory to the out-of-tree Clang source]),,
1088 -) clang_src_root="" ;;
1089 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
1090 *) clang_src_root="$ac_pwd/$withval" ;;
1092 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1094 AC_ARG_WITH(clang-resource-dir,
1095 AS_HELP_STRING([--with-clang-resource-dir],
1096 [Relative directory from the Clang binary for resource files]),,
1098 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1099 [Relative directory for resource files])
1101 AC_ARG_WITH(c-include-dirs,
1102 AS_HELP_STRING([--with-c-include-dirs],
1103 [Colon separated list of directories clang will search for headers]),,
1105 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1106 [Directories clang will search for headers])
1108 # Clang normally uses the system c++ headers and libraries. With this option,
1109 # clang will use the ones provided by a gcc installation instead. This option should
1110 # be passed the same value that was used with --prefix when configuring gcc.
1111 AC_ARG_WITH(gcc-toolchain,
1112 AS_HELP_STRING([--with-gcc-toolchain],
1113 [Directory where gcc is installed.]),,
1115 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1116 [Directory where gcc is installed.])
1118 AC_ARG_WITH(default-sysroot,
1119 AS_HELP_STRING([--with-default-sysroot],
1120 [Add --sysroot=<path> to all compiler invocations.]),,
1122 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1123 [Default <path> to all compiler invocations for --sysroot=<path>.])
1125 dnl Allow linking of LLVM with GPLv3 binutils code.
1126 AC_ARG_WITH(binutils-include,
1127 AS_HELP_STRING([--with-binutils-include],
1128 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1131 default) WITH_BINUTILS_INCDIR=default ;;
1132 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1133 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1135 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1136 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1137 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1138 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1139 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1143 dnl Specify the URL where bug reports should be submitted.
1144 AC_ARG_WITH(bug-report-url,
1145 AS_HELP_STRING([--with-bug-report-url],
1146 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1147 withval="http://llvm.org/bugs/")
1148 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1151 dnl --enable-terminfo: check whether the user wants to control use of terminfo:
1152 AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
1153 [--enable-terminfo],
1154 [Query the terminfo database if available (default is YES)]),
1155 [case "$enableval" in
1156 yes) llvm_cv_enable_terminfo="yes" ;;
1157 no) llvm_cv_enable_terminfo="no" ;;
1158 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
1160 llvm_cv_enable_terminfo="yes")
1162 dnl --enable-libffi : check whether the user wants to turn off libffi:
1163 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1164 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1165 [case "$enableval" in
1166 yes) llvm_cv_enable_libffi="yes" ;;
1167 no) llvm_cv_enable_libffi="no" ;;
1168 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1170 llvm_cv_enable_libffi=no)
1172 AC_ARG_WITH(internal-prefix,
1173 AS_HELP_STRING([--with-internal-prefix],
1174 [Installation directory for internal files]),,
1176 AC_SUBST(INTERNAL_PREFIX,[$withval])
1178 dnl===-----------------------------------------------------------------------===
1180 dnl=== SECTION 4: Check for programs we need and that they are the right version
1182 dnl===-----------------------------------------------------------------------===
1187 dnl Check for the tools that the makefiles require
1190 AC_PATH_PROG(CMP, [cmp], [cmp])
1191 AC_PATH_PROG(CP, [cp], [cp])
1192 AC_PATH_PROG(DATE, [date], [date])
1193 AC_PATH_PROG(FIND, [find], [find])
1194 AC_PATH_PROG(GREP, [grep], [grep])
1195 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1196 AC_PATH_PROG(MV, [mv], [mv])
1198 AC_CHECK_TOOL(AR, ar, false)
1199 AC_PATH_PROG(RM, [rm], [rm])
1200 AC_PATH_PROG(SED, [sed], [sed])
1201 AC_PATH_PROG(TAR, [tar], [gtar])
1202 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1204 dnl Looking for misc. graph plotting software
1205 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
1206 if test "$GRAPHVIZ" != "echo Graphviz" ; then
1207 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
1208 dnl If we're targeting for mingw we should emit windows paths, not msys
1209 if test "$llvm_cv_os_type" = "MingW" ; then
1210 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1212 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1213 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1215 AC_PATH_PROG(DOT, [dot], [echo dot])
1216 if test "$DOT" != "echo dot" ; then
1217 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1218 dnl If we're targeting for mingw we should emit windows paths, not msys
1219 if test "$llvm_cv_os_type" = "MingW" ; then
1220 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1222 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1223 [Define to path to dot program if found or 'echo dot' otherwise])
1225 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1226 if test "$FDP" != "echo fdp" ; then
1227 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1228 dnl If we're targeting for mingw we should emit windows paths, not msys
1229 if test "$llvm_cv_os_type" = "MingW" ; then
1230 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1232 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1233 [Define to path to fdp program if found or 'echo fdp' otherwise])
1235 AC_PATH_PROG(NEATO, [neato], [echo neato])
1236 if test "$NEATO" != "echo neato" ; then
1237 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1238 dnl If we're targeting for mingw we should emit windows paths, not msys
1239 if test "$llvm_cv_os_type" = "MingW" ; then
1240 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1242 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1243 [Define to path to neato program if found or 'echo neato' otherwise])
1245 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1246 if test "$TWOPI" != "echo twopi" ; then
1247 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1248 dnl If we're targeting for mingw we should emit windows paths, not msys
1249 if test "$llvm_cv_os_type" = "MingW" ; then
1250 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1252 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1253 [Define to path to twopi program if found or 'echo twopi' otherwise])
1255 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1256 if test "$CIRCO" != "echo circo" ; then
1257 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1258 dnl If we're targeting for mingw we should emit windows paths, not msys
1259 if test "$llvm_cv_os_type" = "MingW" ; then
1260 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1262 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1263 [Define to path to circo program if found or 'echo circo' otherwise])
1265 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1266 if test "$GV" != "echo gv" ; then
1267 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1268 dnl If we're targeting for mingw we should emit windows paths, not msys
1269 if test "$llvm_cv_os_type" = "MingW" ; then
1270 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1272 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1273 [Define to path to gv program if found or 'echo gv' otherwise])
1275 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1276 if test "$DOTTY" != "echo dotty" ; then
1277 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1278 dnl If we're targeting for mingw we should emit windows paths, not msys
1279 if test "$llvm_cv_os_type" = "MingW" ; then
1280 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1282 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1283 [Define to path to dotty program if found or 'echo dotty' otherwise])
1285 AC_PATH_PROGS(XDOT, [xdot xdot.py], [echo xdot])
1286 if test "$XDOT" != "echo xdot" ; then
1287 AC_DEFINE([HAVE_XDOT],[1],[Define if the xdot program is available])
1288 dnl If we're targeting for mingw we should emit windows paths, not msys
1289 if test "$llvm_cv_os_type" = "MingW" ; then
1290 XDOT=`echo $XDOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1292 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT],"$XDOT${EXEEXT}",
1293 [Define to path to xdot program if found or 'echo xdot' otherwise])
1296 dnl Find the install program
1298 dnl Prepend src dir to install path dir if it's a relative path
1299 dnl This is a hack for installs that take place in something other
1300 dnl than the top level.
1302 [[\\/$]]* | ?:[[\\/]]* ) ;;
1303 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1306 dnl Checks for documentation and testing tools that we can do without. If these
1307 dnl are not found then they are set to "true" which always succeeds but does
1308 dnl nothing. This just lets the build output show that we could have done
1309 dnl something if the tool was available.
1310 AC_PATH_PROG(BZIP2, [bzip2])
1311 AC_PATH_PROG(CAT, [cat])
1312 AC_PATH_PROG(DOXYGEN, [doxygen])
1313 AC_PATH_PROG(GROFF, [groff])
1314 AC_PATH_PROG(GZIPBIN, [gzip])
1315 AC_PATH_PROG(PDFROFF, [pdfroff])
1316 AC_PATH_PROG(ZIP, [zip])
1317 AC_PATH_PROGS(OCAMLC, [ocamlc])
1318 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1319 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1320 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1321 AC_PATH_PROGS(GAS, [gas as])
1323 dnl Get the version of the linker in use.
1326 dnl Determine whether the linker supports the -R option.
1329 dnl Determine whether the compiler supports the -rdynamic option.
1330 AC_LINK_EXPORT_DYNAMIC
1332 dnl Determine whether the linker supports the --version-script option.
1333 AC_LINK_VERSION_SCRIPT
1335 dnl Check for libtool and the library that has dlopen function (which must come
1336 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1341 AC_MSG_CHECKING([tool compatibility])
1343 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1344 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1345 dnl to support those options.
1346 dnl "icc" emits gcc signatures
1347 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1359 if test "$GCC" != "yes" && test "$ICC" != "yes"
1361 AC_MSG_ERROR([gcc|icc required but not found])
1364 dnl Ensure that compilation tools are compatible with GCC extensions
1365 if test "$GXX" != "yes" && test "$IXX" != "yes"
1367 AC_MSG_ERROR([g++|clang++|icc required but not found])
1370 dnl Verify that GCC is version 3.0 or higher
1371 if test "$GCC" = "yes"
1376 #if !defined(__GNUC__) || __GNUC__ < 3
1377 #error Unsupported GCC version
1381 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1384 dnl Check for GNU Make. We use its extensions, so don't build without it
1385 if test -z "$llvm_cv_gnu_make_command"
1387 AC_MSG_ERROR([GNU Make required but not found])
1390 dnl Tool compatibility is okay if we make it here.
1393 dnl Check optional compiler flags.
1394 AC_MSG_CHECKING([optional compiler flags])
1395 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1396 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1397 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1399 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1400 dnl false positives, so disable it.
1402 NO_MAYBE_UNINITIALIZED=
1403 if test "$GXX" = "yes"
1405 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1406 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1407 dnl known to be uninitialized from cases which might be uninitialized. We
1408 dnl still want to catch the first kind of errors.
1409 if test -z "$NO_MAYBE_UNINITIALIZED"
1411 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1414 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
1416 AC_ARG_WITH([python],
1417 [AS_HELP_STRING([--with-python], [path to python])],
1418 [PYTHON="$withval"])
1420 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1421 AC_MSG_CHECKING([for python])
1422 AC_MSG_RESULT([user defined: $with_python])
1424 if test -n "$PYTHON" ; then
1425 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1428 AC_PATH_PROG([PYTHON], [python python2 python26],
1429 [AC_MSG_RESULT([not found])
1430 AC_MSG_ERROR([could not find python 2.5 or higher])])
1433 AC_MSG_CHECKING([for python >= 2.5])
1434 ac_python_version=`$PYTHON -V 2>&1 | cut -d' ' -f2`
1435 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1436 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1437 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1438 if test "$ac_python_version_major" -gt "2" || \
1439 (test "$ac_python_version_major" -eq "2" && \
1440 test "$ac_python_version_minor" -ge "5") ; then
1441 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1443 AC_MSG_RESULT([not found])
1444 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5])
1447 dnl===-----------------------------------------------------------------------===
1449 dnl=== SECTION 5: Check for libraries
1451 dnl===-----------------------------------------------------------------------===
1454 if test "$llvm_cv_os_type" = "MingW" ; then
1455 AC_CHECK_LIB(imagehlp, main)
1456 AC_CHECK_LIB(psapi, main)
1457 AC_CHECK_LIB(shell32, main)
1460 dnl dlopen() is required for plugin support.
1461 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1462 [Define if dlopen() is available on this platform.]),
1463 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1465 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1466 dnl macros to detect whether clock_gettime is available, this just finds the
1467 dnl right libraries to link with.
1468 AC_SEARCH_LIBS(clock_gettime,rt)
1470 dnl The curses library is optional; used for querying terminal info
1471 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1472 dnl We need the has_color functionality in curses for it to be useful.
1473 AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw,
1474 AC_DEFINE([HAVE_TERMINFO],[1],
1475 [Define if the setupterm() function is supported this platform.]))
1478 dnl libffi is optional; used to call external functions from the interpreter
1479 if test "$llvm_cv_enable_libffi" = "yes" ; then
1480 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1481 [Define if libffi is available on this platform.]),
1482 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1485 dnl mallinfo is optional; the code can compile (minus features) without it
1486 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1487 [Define if mallinfo() is available on this platform.]))
1489 dnl pthread locking functions are optional - but llvm will not be thread-safe
1491 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1492 AC_CHECK_LIB(pthread, pthread_mutex_init)
1493 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1494 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1495 [Have pthread_mutex_lock]))
1496 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1497 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1498 [Have pthread_rwlock_init]))
1499 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1500 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1501 [Have pthread_getspecific]))
1504 dnl zlib is optional; used for compression/uncompression
1505 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1506 AC_CHECK_LIB(z, compress2)
1509 dnl Allow extra x86-disassembler library
1511 AS_HELP_STRING([--with-udis86=<path>],
1512 [Use udis86 external x86 disassembler library]),
1514 AC_SUBST(USE_UDIS86, [1])
1517 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1519 AC_CHECK_LIB(udis86, ud_init, [], [
1520 echo "Error! You need to have libudis86 around."
1524 AC_SUBST(USE_UDIS86, [0]))
1525 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1526 [Define if use udis86 library])
1528 dnl Allow OProfile support for JIT output.
1529 AC_ARG_WITH(oprofile,
1530 AS_HELP_STRING([--with-oprofile=<prefix>],
1531 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1533 AC_SUBST(USE_OPROFILE, [1])
1535 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1537 AC_SUBST(USE_OPROFILE, [0]) ;;
1538 *) llvm_cv_oppath="${withval}/lib/oprofile"
1539 CPPFLAGS="-I${withval}/include";;
1541 case $llvm_cv_os_type in
1543 if test -n "$llvm_cv_oppath" ; then
1544 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1545 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1546 dnl libbfd is not included properly in libopagent in some Debian
1547 dnl versions. If libbfd isn't found at all, we assume opagent works
1549 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1550 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1551 echo "Error! You need to have libopagent around."
1554 AC_CHECK_HEADER([opagent.h], [], [
1555 echo "Error! You need to have opagent.h around."
1560 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1564 AC_SUBST(USE_OPROFILE, [0])
1566 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1567 [Define if we have the oprofile JIT-support library])
1569 dnl Enable support for Intel JIT Events API.
1570 AC_ARG_WITH(intel-jitevents,
1571 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1574 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1575 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1576 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1579 case $llvm_cv_os_type in
1580 Linux|Win32|Cygwin|MingW) ;;
1581 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1584 case "$llvm_cv_target_arch" in
1586 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1590 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1592 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1593 [Define if we have the Intel JIT API runtime support library])
1595 dnl Check for libxml2
1596 dnl Right now we're just checking for the existence, we could also check for a
1597 dnl particular version via --version on xml2-config
1598 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1600 AC_MSG_CHECKING(for libxml2 includes)
1601 if test "x$XML2CONFIG" = "x"; then
1602 AC_MSG_RESULT(xml2-config not found)
1604 LIBXML2_INC=`$XML2CONFIG --cflags`
1605 AC_MSG_RESULT($LIBXML2_INC)
1606 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1607 LIBXML2_LIBS="-lxml2"])
1609 AC_SUBST(LIBXML2_LIBS)
1610 AC_SUBST(LIBXML2_INC)
1612 dnl===-----------------------------------------------------------------------===
1614 dnl=== SECTION 6: Check for header files
1616 dnl===-----------------------------------------------------------------------===
1618 dnl First, use autoconf provided macros for specific headers that we need
1619 dnl We don't check for ancient stuff or things that are guaranteed to be there
1620 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1621 dnl Generally we're looking for POSIX headers.
1623 AC_HEADER_MMAP_ANONYMOUS
1629 AC_CHECK_HEADERS([cxxabi.h])
1631 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
1632 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1633 AC_CHECK_HEADERS([utime.h])
1634 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1635 AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
1636 AC_CHECK_HEADERS([valgrind/valgrind.h])
1637 AC_CHECK_HEADERS([fenv.h])
1638 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1639 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1640 AC_CHECK_HEADERS(pthread.h,
1641 AC_SUBST(HAVE_PTHREAD, 1),
1642 AC_SUBST(HAVE_PTHREAD, 0))
1644 AC_SUBST(HAVE_PTHREAD, 0)
1646 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1647 AC_CHECK_HEADERS(zlib.h,
1648 AC_SUBST(HAVE_LIBZ, 1),
1649 AC_SUBST(HAVE_LIBZ, 0))
1651 AC_SUBST(HAVE_LIBZ, 0)
1654 dnl Try to find ffi.h.
1655 if test "$llvm_cv_enable_libffi" = "yes" ; then
1656 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1659 dnl Try to find Darwin specific crash reporting libraries.
1660 AC_CHECK_HEADERS([CrashReporterClient.h])
1662 dnl Try to find Darwin specific crash reporting global.
1663 AC_MSG_CHECKING([__crashreporter_info__])
1667 extern const char *__crashreporter_info__;
1669 __crashreporter_info__ = "test";
1675 AC_MSG_RESULT([yes])
1676 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1680 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1683 dnl===-----------------------------------------------------------------------===
1685 dnl=== SECTION 7: Check for types and structures
1687 dnl===-----------------------------------------------------------------------===
1692 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1694 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1695 AC_CHECK_TYPES([uint64_t],,
1696 AC_CHECK_TYPES([u_int64_t],,
1697 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1699 dnl===-----------------------------------------------------------------------===
1701 dnl=== SECTION 8: Check for specific functions needed
1703 dnl===-----------------------------------------------------------------------===
1705 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1706 AC_CHECK_FUNCS([powf fmodf strtof round ])
1707 AC_CHECK_FUNCS([log log2 log10 exp exp2])
1708 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1709 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1710 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
1711 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1712 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1713 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1714 AC_CHECK_FUNCS([futimes futimens])
1718 dnl Check the declaration "Secure API" on Windows environments.
1719 AC_CHECK_DECLS([strerror_s])
1721 dnl Check symbols in libgcc.a for JIT on Mingw.
1722 if test "$llvm_cv_os_type" = "MingW" ; then
1723 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1724 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1725 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1726 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1728 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1729 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1730 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1731 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1732 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1733 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1734 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1735 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1736 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1737 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1739 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1740 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1743 dnl Check Win32 API EnumerateLoadedModules.
1744 if test "$llvm_cv_os_type" = "MingW" ; then
1745 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1749 #include <windows.h>
1750 #include <imagehlp.h>
1751 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1752 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1756 AC_MSG_RESULT([yes])
1757 llvm_cv_win32_elmcb_pcstr="PCSTR"
1761 llvm_cv_win32_elmcb_pcstr="PSTR"
1763 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1766 dnl Check for variations in the Standard C++ library and STL. These macros are
1767 dnl provided by LLVM in the autoconf/m4 directory.
1771 dnl Check for mmap support.We also need to know if /dev/zero is required to
1772 dnl be opened for allocating RWX memory.
1773 dnl Make sure we aren't attempting to configure for an unknown system
1774 if test "$llvm_cv_platform_type" = "Unix" ; then
1777 AC_NEED_DEV_ZERO_FOR_MMAP
1779 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1781 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1783 if test "$ac_cv_func_mmap_file" = "no"
1785 AC_MSG_WARN([mmap() of files required but not found])
1789 dnl atomic builtins are required for threading support.
1790 AC_MSG_CHECKING(for GCC atomic builtins)
1791 dnl Since we'll be using these atomic builtins in C++ files we should test
1792 dnl the C++ compiler.
1798 volatile unsigned long val = 1;
1799 __sync_synchronize();
1800 __sync_val_compare_and_swap(&val, 1, 0);
1801 __sync_add_and_fetch(&val, 1);
1802 __sync_sub_and_fetch(&val, 1);
1808 AC_MSG_RESULT([yes])
1809 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1813 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1814 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1818 dnl===-----------------------------------------------------------------------===
1820 dnl=== SECTION 9: Additional checks, variables, etc.
1822 dnl===-----------------------------------------------------------------------===
1824 dnl Handle 32-bit linux systems running a 64-bit kernel.
1825 dnl This has to come after section 4 because it invokes the compiler.
1826 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1828 if test "$llvm_cv_linux_mixed" = "yes"; then
1829 llvm_cv_target_arch="x86"
1834 dnl Check whether __dso_handle is present
1835 AC_CHECK_FUNCS([__dso_handle])
1837 dnl Propagate the shared library extension that the libltdl checks did to
1838 dnl the Makefiles so we can use it there too
1839 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1841 dnl Propagate the run-time library path variable that the libltdl
1842 dnl checks found to the Makefiles so we can use it there too
1843 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1845 dnl Translate the various configuration directories and other basic
1846 dnl information into substitutions that will end up in Makefile.config.in
1847 dnl that these configured values can be used by the makefiles
1848 if test "${prefix}" = "NONE" ; then
1851 eval LLVM_PREFIX="${prefix}";
1852 eval LLVM_BINDIR="${prefix}/bin";
1853 eval LLVM_DATADIR="${prefix}/share/llvm";
1854 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1855 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1856 eval LLVM_INCLUDEDIR="${prefix}/include";
1857 eval LLVM_INFODIR="${prefix}/info";
1858 eval LLVM_MANDIR="${prefix}/man";
1859 LLVM_CONFIGTIME=`date`
1860 AC_SUBST(LLVM_PREFIX)
1861 AC_SUBST(LLVM_BINDIR)
1862 AC_SUBST(LLVM_DATADIR)
1863 AC_SUBST(LLVM_DOCSDIR)
1864 AC_SUBST(LLVM_ETCDIR)
1865 AC_SUBST(LLVM_INCLUDEDIR)
1866 AC_SUBST(LLVM_INFODIR)
1867 AC_SUBST(LLVM_MANDIR)
1868 AC_SUBST(LLVM_CONFIGTIME)
1870 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1871 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1872 LLVM_CONFIGTIME="(timestamp not enabled)"
1875 dnl Place the various directories into the config.h file as #defines so that we
1876 dnl can know about the installation paths within LLVM.
1877 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1878 [Installation prefix directory])
1879 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1880 [Installation directory for binary executables])
1881 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1882 [Installation directory for data files])
1883 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1884 [Installation directory for documentation])
1885 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1886 [Installation directory for config files])
1887 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1888 [Installation directory for include files])
1889 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1890 [Installation directory for .info files])
1891 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1892 [Installation directory for man pages])
1893 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1894 [Time at which LLVM was configured])
1895 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
1896 [Host triple LLVM will be executed on])
1897 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1898 [Target triple LLVM will generate code for by default])
1900 dnl Determine which bindings to build.
1901 if test "$BINDINGS_TO_BUILD" = auto ; then
1902 BINDINGS_TO_BUILD=""
1903 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1904 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1907 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1909 dnl This isn't really configurey, but it avoids having to repeat the list in
1911 AC_SUBST(ALL_BINDINGS,ocaml)
1913 dnl Do any work necessary to ensure that bindings have what they need.
1914 binding_prereqs_failed=0
1915 for a_binding in $BINDINGS_TO_BUILD ; do
1916 case "$a_binding" in
1918 if test "x$OCAMLC" = x ; then
1919 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1920 binding_prereqs_failed=1
1922 if test "x$OCAMLDEP" = x ; then
1923 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1924 binding_prereqs_failed=1
1926 if test "x$OCAMLOPT" = x ; then
1927 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1928 dnl ocamlopt is optional!
1930 if test "x$with_ocaml_libdir" != xauto ; then
1931 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1933 ocaml_stdlib="`"$OCAMLC" -where`"
1934 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1936 # ocaml stdlib is beneath our prefix; use stdlib
1937 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1939 # ocaml stdlib is outside our prefix; use libdir/ocaml
1940 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
1946 if test "$binding_prereqs_failed" = 1 ; then
1947 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1950 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1951 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1953 dnl Determine linker rpath flag
1954 if test "$llvm_cv_link_use_r" = "yes" ; then
1961 dnl Determine linker rdynamic flag
1962 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1963 RDYNAMIC="-rdynamic"
1969 dnl===-----------------------------------------------------------------------===
1971 dnl=== SECTION 10: Specify the output files and generate it
1973 dnl===-----------------------------------------------------------------------===
1975 dnl Configure header files
1976 dnl WARNING: dnl If you add or remove any of the following config headers, then
1977 dnl you MUST also update Makefile so that the variable FilesToConfig
1978 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1979 dnl files can be updated automatically when their *.in sources change.
1980 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1981 AH_TOP([#ifndef CONFIG_H
1985 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1986 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1987 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1988 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1989 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1991 dnl Configure the makefile's configuration data
1992 AC_CONFIG_FILES([Makefile.config])
1994 dnl Configure the RPM spec file for LLVM
1995 AC_CONFIG_FILES([llvm.spec])
1997 dnl Configure doxygen's configuration file
1998 AC_CONFIG_FILES([docs/doxygen.cfg])
2000 dnl Configure clang, if present
2001 if test "${clang_src_root}" = ""; then
2002 clang_src_root="$srcdir/tools/clang"
2004 if test -f ${clang_src_root}/README.txt; then
2005 dnl Use variables to stay under 80 columns.
2006 configh="include/clang/Config/config.h"
2007 doxy="docs/doxygen.cfg"
2008 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
2009 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
2012 dnl OCaml findlib META file
2013 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
2015 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
2016 test "x$program_prefix" = "xNONE" && program_prefix=""
2017 AC_SUBST([program_prefix])
2020 dnl Do special configuration of Makefiles
2021 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
2022 AC_CONFIG_MAKEFILE(Makefile)
2023 AC_CONFIG_MAKEFILE(Makefile.common)
2024 AC_CONFIG_MAKEFILE(examples/Makefile)
2025 AC_CONFIG_MAKEFILE(lib/Makefile)
2026 AC_CONFIG_MAKEFILE(test/Makefile)
2027 AC_CONFIG_MAKEFILE(test/Makefile.tests)
2028 AC_CONFIG_MAKEFILE(unittests/Makefile)
2029 AC_CONFIG_MAKEFILE(tools/Makefile)
2030 AC_CONFIG_MAKEFILE(utils/Makefile)
2031 AC_CONFIG_MAKEFILE(projects/Makefile)
2032 AC_CONFIG_MAKEFILE(bindings/Makefile)
2033 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
2035 dnl Finally, crank out the output