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.
35 AC_INIT([LLVM],[3.7.0svn],[http://llvm.org/bugs/])
40 LLVM_VERSION_SUFFIX=svn
42 AC_DEFINE_UNQUOTED([LLVM_VERSION_MAJOR], $LLVM_VERSION_MAJOR, [Major version of the LLVM API])
43 AC_DEFINE_UNQUOTED([LLVM_VERSION_MINOR], $LLVM_VERSION_MINOR, [Minor version of the LLVM API])
44 AC_DEFINE_UNQUOTED([LLVM_VERSION_PATCH], $LLVM_VERSION_PATCH, [Patch version of the LLVM API])
45 AC_DEFINE_UNQUOTED([LLVM_VERSION_STRING], "$PACKAGE_VERSION", [LLVM version string])
47 AC_SUBST([LLVM_VERSION_MAJOR])
48 AC_SUBST([LLVM_VERSION_MINOR])
49 AC_SUBST([LLVM_VERSION_PATCH])
50 AC_SUBST([LLVM_VERSION_SUFFIX])
52 dnl Provide a copyright substitution and ensure the copyright notice is included
53 dnl in the output of --version option of the generated configure script.
54 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2015 University of Illinois at Urbana-Champaign."])
55 AC_COPYRIGHT([Copyright (c) 2003-2015 University of Illinois at Urbana-Champaign.])
57 dnl Indicate that we require autoconf 2.60 or later.
60 dnl Verify that the source directory is valid. This makes sure that we are
61 dnl configuring LLVM and not some other package (it validates --srcdir argument)
62 AC_CONFIG_SRCDIR([lib/IR/Module.cpp])
64 dnl Place all of the extra autoconf files into the config subdirectory. Tell
65 dnl various tools where the m4 autoconf macros are.
66 AC_CONFIG_AUX_DIR([autoconf])
68 dnl Quit if the source directory has already been configured.
69 dnl NOTE: This relies upon undocumented autoconf behavior.
70 if test ${srcdir} != "." ; then
71 if test -f ${srcdir}/include/llvm/Config/config.h ; then
72 AC_MSG_ERROR([Already configured in ${srcdir}])
76 dnl Quit if it is an in-source build
77 if test ${srcdir} == "." ; then
78 AC_MSG_WARN([**************************************************************************************])
80 AC_MSG_WARN([* WARNING *])
82 AC_MSG_WARN([* In-source builds are deprecated. *])
84 AC_MSG_WARN([* Please configure from a separate build directory! *])
86 AC_MSG_WARN([**************************************************************************************])
89 dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS,
90 dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc).
94 dnl We need to check for the compiler up here to avoid anything else
95 dnl starting with a different one.
97 AC_PROG_CXX(clang++ g++)
100 dnl If CXX is Clang, check that it can find and parse C++ standard library
102 if test "$CXX" = "clang++" ; then
103 AC_MSG_CHECKING([whether clang works])
105 dnl Note that space between 'include' and '(' is required. There's a broken
106 dnl regex in aclocal that otherwise will think that we call m4's include
108 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <limits>
109 #if __has_include (<cxxabi.h>)
112 #if __has_include (<unwind.h>)
121 AC_MSG_ERROR([Selected compiler could not find or parse C++ standard library headers. Rerun with CC=c-compiler CXX=c++-compiler LLVM_SRC_DIR/configure ...])
126 dnl Set up variables that track whether the host compiler is GCC or Clang where
127 dnl we can effectively sanity check them. We don't try to sanity check all the
128 dnl other possible compilers.
129 AC_MSG_CHECKING([whether GCC or Clang is our host compiler])
131 llvm_cv_cxx_compiler=unknown
132 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __clang__
136 llvm_cv_cxx_compiler=clang,
137 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __GNUC__
141 llvm_cv_cxx_compiler=gcc, [])])
143 AC_MSG_RESULT([${llvm_cv_cxx_compiler}])
145 dnl Configure all of the projects present in our source tree. While we could
146 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
147 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
148 dnl Instead we match on the known projects.
151 dnl One tricky part of doing this is that some projects depend upon other
152 dnl projects. For example, several projects rely upon the LLVM test suite.
153 dnl We want to configure those projects first so that their object trees are
154 dnl created before running the configure scripts of projects that depend upon
158 dnl Several projects use the LLVM test suite, so configure it next.
159 if test -d ${srcdir}/projects/test-suite ; then
160 AC_CONFIG_SUBDIRS([projects/test-suite])
163 dnl llvm-test is the old name of the test-suite, kept here for backwards
165 if test -d ${srcdir}/projects/llvm-test ; then
166 AC_CONFIG_SUBDIRS([projects/llvm-test])
169 dnl Some projects use poolalloc; configure that next
170 if test -d ${srcdir}/projects/poolalloc ; then
171 AC_CONFIG_SUBDIRS([projects/poolalloc])
174 if test -d ${srcdir}/projects/llvm-poolalloc ; then
175 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
178 dnl Check for all other projects
179 for i in `ls ${srcdir}/projects`
181 if test -d ${srcdir}/projects/${i} ; then
183 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
190 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
196 dnl Disable the build of polly, even if it is checked out into tools/polly.
198 AS_HELP_STRING([--enable-polly],
199 [Use polly if available (default is YES)]),,
202 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
203 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
204 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
205 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
209 dnl Check if polly is checked out into tools/polly and configure it if
211 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
212 AC_SUBST(LLVM_HAS_POLLY,1)
213 AC_CONFIG_SUBDIRS([tools/polly])
216 dnl===-----------------------------------------------------------------------===
218 dnl=== SECTION 2: Architecture, target, and host checks
220 dnl===-----------------------------------------------------------------------===
222 dnl Check the target for which we're compiling and the host that will do the
223 dnl compilations. This will tell us which LLVM compiler will be used for
224 dnl compiling SSA into object code. This needs to be done early because
225 dnl following tests depend on it.
228 dnl Determine the platform type and cache its value. This helps us configure
229 dnl the System library to the correct build platform.
230 AC_CACHE_CHECK([type of operating system we're going to host on],
234 llvm_cv_link_all_option="-Wl,--whole-archive"
235 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
236 llvm_cv_os_type="AIX"
237 llvm_cv_platform_type="Unix" ;;
239 llvm_cv_link_all_option="-Wl,--whole-archive"
240 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
241 llvm_cv_os_type="IRIX"
242 llvm_cv_platform_type="Unix" ;;
244 llvm_cv_link_all_option="-Wl,--whole-archive"
245 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
246 llvm_cv_os_type="Cygwin"
247 llvm_cv_platform_type="Unix" ;;
249 llvm_cv_link_all_option="-Wl,-all_load"
250 llvm_cv_no_link_all_option="-Wl,-noall_load"
251 llvm_cv_os_type="Darwin"
252 llvm_cv_platform_type="Unix" ;;
254 llvm_cv_link_all_option="-Wl,-all_load"
255 llvm_cv_no_link_all_option="-Wl,-noall_load"
256 llvm_cv_os_type="Minix"
257 llvm_cv_platform_type="Unix" ;;
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="FreeBSD"
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="GNU/kFreeBSD"
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="OpenBSD"
272 llvm_cv_platform_type="Unix" ;;
274 llvm_cv_link_all_option="-Wl,--whole-archive"
275 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
276 llvm_cv_os_type="NetBSD"
277 llvm_cv_platform_type="Unix" ;;
279 llvm_cv_link_all_option="-Wl,--whole-archive"
280 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
281 llvm_cv_os_type="DragonFly"
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="Bitrig"
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="HP-UX"
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="Interix"
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="Linux"
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="GNU"
307 llvm_cv_platform_type="Unix" ;;
309 llvm_cv_link_all_option="-Wl,-z,allextract"
310 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
311 llvm_cv_os_type="SunOS"
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="Win32"
317 llvm_cv_platform_type="Win32" ;;
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="MingW"
322 llvm_cv_platform_type="Win32" ;;
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="Haiku"
327 llvm_cv_platform_type="Unix" ;;
329 llvm_cv_link_all_option="-Wl,--whole-archive"
330 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
331 llvm_cv_os_type="Freestanding"
332 llvm_cv_platform_type="Unix" ;;
334 llvm_cv_link_all_option="-Wl,--whole-archive"
335 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
336 llvm_cv_os_type="Freestanding"
337 llvm_cv_platform_type="Unix" ;;
339 llvm_cv_link_all_option=""
340 llvm_cv_no_link_all_option=""
341 llvm_cv_os_type="Unknown"
342 llvm_cv_platform_type="Unknown" ;;
345 AC_CACHE_CHECK([type of operating system we're going to target],
346 [llvm_cv_target_os_type],
349 llvm_cv_target_os_type="AIX" ;;
351 llvm_cv_target_os_type="IRIX" ;;
353 llvm_cv_target_os_type="Cygwin" ;;
355 llvm_cv_target_os_type="Darwin" ;;
357 llvm_cv_target_os_type="Minix" ;;
359 llvm_cv_target_os_type="FreeBSD" ;;
361 llvm_cv_target_os_type="GNU/kFreeBSD" ;;
363 llvm_cv_target_os_type="OpenBSD" ;;
365 llvm_cv_target_os_type="NetBSD" ;;
367 llvm_cv_target_os_type="DragonFly" ;;
369 llvm_cv_target_os_type="Bitrig" ;;
371 llvm_cv_target_os_type="HP-UX" ;;
373 llvm_cv_target_os_type="Interix" ;;
375 llvm_cv_target_os_type="Linux" ;;
377 llvm_cv_target_os_type="GNU" ;;
379 llvm_cv_target_os_type="SunOS" ;;
381 llvm_cv_target_os_type="Win32" ;;
383 llvm_cv_target_os_type="MingW" ;;
385 llvm_cv_target_os_type="Haiku" ;;
387 llvm_cv_target_os_type="RTEMS" ;;
389 llvm_cv_target_os_type="NativeClient" ;;
391 llvm_cv_target_os_type="Freestanding" ;;
393 llvm_cv_target_os_type="PS4" ;;
395 llvm_cv_target_os_type="Unknown" ;;
398 dnl Make sure we aren't attempting to configure for an unknown system
399 if test "$llvm_cv_os_type" = "Unknown" ; then
400 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
403 dnl Set the "OS" Makefile variable based on the platform type so the
404 dnl makefile can configure itself to specific build hosts
405 AC_SUBST(OS,$llvm_cv_os_type)
406 AC_SUBST(HOST_OS,$llvm_cv_os_type)
407 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
409 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
410 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
411 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
413 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
414 dnl This is used by lib/Support to determine the basic kind of implementation
416 case $llvm_cv_platform_type in
418 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
419 AC_SUBST(LLVM_ON_UNIX,[1])
420 AC_SUBST(LLVM_ON_WIN32,[0])
423 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
424 AC_SUBST(LLVM_ON_UNIX,[0])
425 AC_SUBST(LLVM_ON_WIN32,[1])
429 dnl Determine what our target architecture is and configure accordingly.
430 dnl This will allow Makefiles to make a distinction between the hardware and
432 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
434 i?86-*) llvm_cv_target_arch="x86" ;;
435 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
436 sparc*-*) llvm_cv_target_arch="Sparc" ;;
437 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
438 arm64*-*) llvm_cv_target_arch="AArch64" ;;
439 arm*-*) llvm_cv_target_arch="ARM" ;;
440 aarch64*-*) llvm_cv_target_arch="AArch64" ;;
441 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
442 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
443 xcore-*) llvm_cv_target_arch="XCore" ;;
444 msp430-*) llvm_cv_target_arch="MSP430" ;;
445 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
446 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
447 s390x-*) llvm_cv_target_arch="SystemZ" ;;
448 *) llvm_cv_target_arch="Unknown" ;;
451 if test "$llvm_cv_target_arch" = "Unknown" ; then
452 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
455 dnl Determine the LLVM native architecture for the target
456 case "$llvm_cv_target_arch" in
457 x86) LLVM_NATIVE_ARCH="X86" ;;
458 x86_64) LLVM_NATIVE_ARCH="X86" ;;
459 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
462 dnl Define a substitution, ARCH, for the target architecture
463 AC_SUBST(ARCH,$llvm_cv_target_arch)
464 AC_SUBST(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCH)
466 dnl Determine what our host architecture.
467 dnl This will allow MCJIT regress tests runs only for supported
470 i?86-*) host_arch="x86" ;;
471 amd64-* | x86_64-*) host_arch="x86_64" ;;
472 sparc*-*) host_arch="Sparc" ;;
473 powerpc*-*) host_arch="PowerPC" ;;
474 arm64*-*) host_arch="AArch64" ;;
475 arm*-*) host_arch="ARM" ;;
476 aarch64*-*) host_arch="AArch64" ;;
477 mips-* | mips64-*) host_arch="Mips" ;;
478 mipsel-* | mips64el-*) host_arch="Mips" ;;
479 xcore-*) host_arch="XCore" ;;
480 msp430-*) host_arch="MSP430" ;;
481 hexagon-*) host_arch="Hexagon" ;;
482 s390x-*) host_arch="SystemZ" ;;
483 *) host_arch="Unknown" ;;
486 if test "$host_arch" = "Unknown" ; then
487 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
490 AC_SUBST(HOST_ARCH,$host_arch)
492 dnl Check for build platform executable suffix if we're cross-compiling
493 if test "$cross_compiling" = yes; then
494 AC_SUBST(LLVM_CROSS_COMPILING, [1])
496 ac_build_prefix=${build_alias}-
497 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
498 if test -z "$BUILD_CXX"; then
499 AC_CHECK_PROG(BUILD_CXX, g++, g++)
500 if test -z "$BUILD_CXX"; then
501 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
505 AC_SUBST(LLVM_CROSS_COMPILING, [0])
508 dnl Check to see if there's a .svn or .git directory indicating that this
509 dnl build is being done from a checkout. This sets up several defaults for
510 dnl the command line switches. When we build with a checkout directory,
511 dnl we get a debug with assertions turned on. Without, we assume a source
512 dnl release and we get an optimized build without assertions.
513 dnl See --enable-optimized and --enable-assertions below
514 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
517 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
523 dnl===-----------------------------------------------------------------------===
525 dnl=== SECTION 3: Command line arguments for the configure script.
527 dnl===-----------------------------------------------------------------------===
529 dnl --enable-libcpp : check whether or not to use libc++ on the command line
530 AC_ARG_ENABLE(libcpp,
531 AS_HELP_STRING([--enable-libcpp],
532 [Use libc++ if available (default is NO)]),,
535 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
536 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
537 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
538 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
541 dnl Check both GCC and Clang for sufficiently modern versions. These checks can
542 dnl be bypassed by passing a flag if necessary on a platform. We have to do
543 dnl these checks here so that we have the configuration of the standard C++
544 dnl library finished.
545 AC_ARG_ENABLE(compiler-version-checks,
546 AS_HELP_STRING([--enable-compiler-version-checks],
547 [Check the version of the host compiler (default is YES)]),,
554 case "$llvm_cv_cxx_compiler" in
556 AC_MSG_CHECKING([whether Clang is new enough])
557 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
558 #if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 1)
559 #error This version of Clang is too old to build LLVM
562 [AC_MSG_RESULT([yes])],
565 The selected Clang compiler is not new enough to build LLVM. Please upgrade to
566 Clang 3.1. You may pass --disable-compiler-version-checks to configure to
567 bypass these sanity checks.])])
569 dnl Note that libstdc++4.6 is known broken for C++11 builds. The errors
570 dnl are sometimes deeply confusing though. Here we test for an obvious
571 dnl incomplete feature in 4.6's standard library that was completed in
572 dnl 4.7's. We also have to disable this test if 'ENABLE_LIBCPP' is set
573 dnl because the enable flags don't actually fix CXXFLAGS, they rely on
574 dnl that happening in the Makefile.
575 if test "$ENABLE_LIBCPP" -eq 0 ; then
576 AC_MSG_CHECKING([whether Clang will select a modern C++ standard library])
577 llvm_cv_old_cxxflags="$CXXFLAGS"
578 CXXFLAGS="$CXXFLAGS -std=c++0x"
579 AC_LINK_IFELSE([AC_LANG_SOURCE([[
581 std::atomic<float> x(0.0f);
582 int main() { return (float)x; }
584 [AC_MSG_RESULT([yes])],
587 We detected a missing feature in the standard C++ library that was known to be
588 missing in libstdc++4.6 and implemented in libstdc++4.7. There are numerous
589 C++11 problems with 4.6's library, and we don't support GCCs or libstdc++ older
590 than 4.7. You will need to update your system and ensure Clang uses the newer
593 If this error is incorrect or you need to force things to work, you may pass
594 '--disable-compiler-version-checks' to configure to bypass this test.])])
595 CXXFLAGS="$llvm_cv_old_cxxflags"
599 AC_MSG_CHECKING([whether GCC is new enough])
600 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
601 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
602 #error This version of GCC is too old to build LLVM
605 [AC_MSG_RESULT([yes])],
608 The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade
609 to GCC 4.7. You may pass --disable-compiler-version-checks to configure to
610 bypass these sanity checks.])])
618 AC_MSG_ERROR([Invalid setting for --enable-compiler-version-checks. Use "yes" or "no"])
622 dnl --enable-cxx1y : check whether or not to use -std=c++1y on the command line
624 AS_HELP_STRING([--enable-cxx1y],
625 [Use c++1y if available (default is NO)]),,
628 yes) AC_SUBST(ENABLE_CXX1Y,[1]) ;;
629 no) AC_SUBST(ENABLE_CXX1Y,[0]) ;;
630 default) AC_SUBST(ENABLE_CXX1Y,[0]);;
631 *) AC_MSG_ERROR([Invalid setting for --enable-cxx1y. Use "yes" or "no"]) ;;
634 dnl --enable-split-dwarf : check whether or not to use -gsplit-dwarf on the command
636 AC_ARG_ENABLE(split-dwarf,
637 AS_HELP_STRING([--enable-split-dwarf],
638 [Use split-dwarf if available (default is NO)]),,
641 yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;;
642 no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;;
643 default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);;
644 *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;;
647 dnl --enable-clang-arcmt: check whether to enable clang arcmt
649 AC_ARG_ENABLE(clang-arcmt,
650 AS_HELP_STRING([--enable-clang-arcmt],
651 [Enable building of clang ARCMT (default is YES)]),
652 clang_arcmt="$enableval",
655 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
656 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
657 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
658 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
661 dnl --enable-clang-plugin-support: check whether to enable plugins in clang
662 clang_plugin_support="yes"
663 AC_ARG_ENABLE(clang-plugin-support,
664 AS_HELP_STRING([--enable-clang-plugin-support],
665 [Enable plugin support in clang (default is YES)]),
666 clang_plugin_support="$enableval",
669 yes) AC_SUBST(CLANG_PLUGIN_SUPPORT,[1]) ;;
670 no) AC_SUBST(CLANG_PLUGIN_SUPPORT,[0]) ;;
671 default) AC_SUBST(CLANG_PLUGIN_SUPPORT,[1]);;
672 *) AC_MSG_ERROR([Invalid setting for --enable-clang-plugin-support. Use "yes" or "no"]) ;;
675 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
676 clang_static_analyzer="yes"
677 AC_ARG_ENABLE(clang-static-analyzer,
678 AS_HELP_STRING([--enable-clang-static-analyzer],
679 [Enable building of clang Static Analyzer (default is YES)]),
680 clang_static_analyzer="$enableval",
683 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
685 if test ${clang_arcmt} != "no" ; then
686 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling static analyzer.])
688 AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0])
690 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
691 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
694 dnl --enable-optimized : check whether they want to do an optimized build:
695 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
696 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
697 if test ${enableval} = "no" ; then
698 AC_SUBST(ENABLE_OPTIMIZED,[[]])
700 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
703 dnl --enable-profiling : check whether they want to do a profile build:
704 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
705 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
706 if test ${enableval} = "no" ; then
707 AC_SUBST(ENABLE_PROFILING,[[]])
709 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
712 dnl --enable-assertions : check whether they want to turn on assertions or not:
713 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
714 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
715 if test ${enableval} = "yes" ; then
716 AC_SUBST(DISABLE_ASSERTIONS,[[]])
717 assertions_enabled="yes"
719 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
720 assertions_enabled="no"
723 dnl --enable-werror : check whether we want Werror on by default
724 AC_ARG_ENABLE(werror,AS_HELP_STRING(
725 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
727 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
728 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
729 default) AC_SUBST(ENABLE_WERROR,[0]);;
730 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
733 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
734 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
735 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
736 if test ${enableval} = "yes" ; then
737 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
738 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
740 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
741 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
744 dnl --enable-abi-breaking-checks : decide whether we should compile in asserts and
745 dnl checks that make the build ABI incompatible with an llvm built without these
747 AC_ARG_ENABLE(abi-breaking-checks,AS_HELP_STRING(
748 --enable-abi-breaking-checks,[Compile with abi-breaking asserts support (default is with-asserts)]),, enableval="with-asserts")
750 with-asserts) if test ${assertions_enabled} = "yes" ; then
751 AC_DEFINE([LLVM_ENABLE_ABI_BREAKING_CHECKS],[1],[Define to enable checks that alter the LLVM C++ ABI])
752 AC_SUBST(ENABLE_ABI_BREAKING_CHECKS,[1])
754 AC_SUBST(ENABLE_ABI_BREAKING_CHECKS,[0])
757 AC_DEFINE([LLVM_ENABLE_ABI_BREAKING_CHECKS],[1],[Define to enable checks that alter the LLVM C++ ABI])
758 AC_SUBST(ENABLE_ABI_BREAKING_CHECKS,[1])
761 AC_SUBST(ENABLE_ABI_BREAKING_CHECKS,[0])
763 *) AC_MSG_ERROR([Invalid setting for --enable-abi-breaking-checks. Use "with-asserts", "yes" or "no"])
766 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
767 AC_ARG_ENABLE(debug-runtime,
768 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
769 if test ${enableval} = "no" ; then
770 AC_SUBST(DEBUG_RUNTIME,[[]])
772 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
775 dnl --enable-debug-symbols : should even optimized compiler libraries
776 dnl have debug symbols?
777 AC_ARG_ENABLE(debug-symbols,
778 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)
779 if test ${enableval} = "no" ; then
780 AC_SUBST(DEBUG_SYMBOLS,[[]])
782 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
785 dnl --enable-keep-symbols : do not strip installed executables
786 AC_ARG_ENABLE(keep-symbols,
787 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
788 if test ${enableval} = "no" ; then
789 AC_SUBST(KEEP_SYMBOLS,[[]])
791 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
794 dnl --enable-jit: check whether they want to enable the jit
796 AS_HELP_STRING(--enable-jit,
797 [Enable Just In Time Compiling (default is YES)]),,
799 if test ${enableval} = "no"
803 case "$llvm_cv_target_arch" in
804 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
805 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
806 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
807 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
808 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
809 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
810 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
811 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
812 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
813 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
814 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
815 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
819 TARGETS_WITH_JIT="ARM AArch64 Mips PowerPC SystemZ X86"
820 AC_SUBST(TARGETS_WITH_JIT,$TARGETS_WITH_JIT)
822 dnl Allow enablement of building and installing docs
824 AS_HELP_STRING([--enable-docs],
825 [Build documents (default is YES)]),,
828 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
829 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
830 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
831 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
834 dnl Allow enablement of doxygen generated documentation
835 AC_ARG_ENABLE(doxygen,
836 AS_HELP_STRING([--enable-doxygen],
837 [Build doxygen documentation (default is NO)]),,
840 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
841 no|default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
842 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
845 dnl Allow enablement of doxygen search engine
846 AC_ARG_ENABLE(doxygen-search,
847 AS_HELP_STRING([--enable-doxygen-search],
848 [Enable doxygen search support (default is NO)]),,
850 ENABLE_DOXYGEN_SEARCH="$enableval"
854 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen-search. Use "yes" or "no"]) ;;
857 AC_ARG_ENABLE(doxygen-external-search,
858 AS_HELP_STRING([--enable-doxygen-external-search],
859 [Enable doxygen exteranl search (default is NO)]),,
861 ENABLE_DOXYGEN_EXTERNAL_SEARCH="$enableval"
865 dnl To match with the CMake behavior, enable doxygen when
866 dnl --enable-doxygen-external-search is enabled.
867 case "$ENABLE_DOXYGEN_SEARCH" in
868 yes|default) ENABLE_DOXYGEN_SEARCH="yes" ;;
869 no) AC_MSG_ERROR([The option --enable-doxygen-external-search requires --enable-doxygen-search]) ;;
873 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen-external-search. Use "yes" or "no"]) ;;
876 AC_ARG_WITH(doxygen-search-engine-url,
877 AS_HELP_STRING([--with-doxygen-search-engine-url],
878 [Specify the external search engine for doxygen]),,)
879 WITH_DOXYGEN_SEARCH_ENGINE_URL="$withval"
881 AC_ARG_WITH(doxygen-search-mappings,
882 AS_HELP_STRING([--with-doxygen-search-mappings],
883 [Specify the extra search mapping for doxygen]),,)
884 WITH_DOXYGEN_SEARCH_MAPPINGS="$withval"
886 case "$ENABLE_DOXYGEN_SEARCH" in
888 if test "$ENABLE_DOXYGEN" = "0" ; then
889 AC_MSG_ERROR([The option --enable-doxygen-search requires --enable-doxygen.])
892 AC_SUBST(enable_searchengine,[YES])
894 case "$ENABLE_DOXYGEN_EXTERNAL_SEARCH" in
896 AC_SUBST(enable_external_search,[YES])
897 AC_SUBST(enable_server_based_search,[YES])
898 AC_SUBST(searchengine_url,["$WITH_DOXYGEN_SEARCH_ENGINE_URL"])
899 AC_SUBST(extra_search_mappings,["$WITH_DOXYGEN_SEARCH_MAPPINGS"])
903 AC_SUBST(enable_external_search,[NO])
904 AC_SUBST(enable_server_based_search,[NO])
905 AC_SUBST(searchengine_url,[])
906 AC_SUBST(extra_search_mappings,[])
912 AC_SUBST(enable_searchengine,[NO])
913 AC_SUBST(searchengine_url,[])
914 AC_SUBST(enable_server_based_search,[NO])
915 AC_SUBST(enable_external_search,[NO])
916 AC_SUBST(extra_search_mappings,[])
920 AC_MSG_ERROR([Invalid setting for --enable-doxygen-search. Use "yes" or "no"])
924 dnl Allow enablement of doxygen generated Qt help files
925 AC_ARG_ENABLE(doxygen-qt-help,
926 AS_HELP_STRING([--enable-doxygen-qt-help],
927 [Build Qt help files (default is NO)]),,
931 if test "$ENABLE_DOXYGEN" = "0" ; then
932 AC_MSG_ERROR([The option --enable-doxygen-qt-help requires --enable-doxygen.])
935 AC_PATH_PROG(QHELPGENERATOR, [qhelpgenerator], [qhelpgenerator])
937 dnl Qt help file for llvm doxygen documentation
938 AC_SUBST(llvm_doxygen_generate_qhp,[YES])
939 AC_SUBST(llvm_doxygen_qch_filename,[org.llvm.qch])
940 AC_SUBST(llvm_doxygen_qhp_namespace,[org.llvm])
941 AC_SUBST(llvm_doxygen_qhelpgenerator_path,["$QHELPGENERATOR"])
942 AC_SUBST(llvm_doxygen_qhp_cust_filter_name,["$PACKAGE_STRING"])
943 AC_SUBST(llvm_doxygen_qhp_cust_filter_attrs,["$PACKAGE_NAME,$PACKAGE_VERSION"])
945 dnl Qt help file for clang doxygen documentation
946 AC_SUBST(clang_doxygen_generate_qhp,[YES])
947 AC_SUBST(clang_doxygen_qch_filename,[org.llvm.clang.qch])
948 AC_SUBST(clang_doxygen_qhp_namespace,[org.llvm.clang])
949 AC_SUBST(clang_doxygen_qhelpgenerator_path,["$QHELPGENERATOR"])
950 AC_SUBST(clang_doxygen_qhp_cust_filter_name,["Clang $PACKAGE_VERSION"])
951 AC_SUBST(clang_doxygen_qhp_cust_filter_attrs,["Clang,$PACKAGE_VERSION"])
955 AC_SUBST(llvm_doxygen_generate_qhp,[NO])
956 AC_SUBST(llvm_doxygen_qch_filename,[])
957 AC_SUBST(llvm_doxygen_qhp_namespace,[])
958 AC_SUBST(llvm_doxygen_qhelpgenerator_path,[])
959 AC_SUBST(llvm_doxygen_qhp_cust_filter_name,[])
960 AC_SUBST(llvm_doxygen_qhp_cust_filter_attrs,[])
962 AC_SUBST(clang_doxygen_generate_qhp,[NO])
963 AC_SUBST(clang_doxygen_qch_filename,[])
964 AC_SUBST(clang_doxygen_qhp_namespace,[])
965 AC_SUBST(clang_doxygen_qhelpgenerator_path,[])
966 AC_SUBST(clang_doxygen_qhp_cust_filter_name,["Clang $PACKAGE_VERSION"])
967 AC_SUBST(clang_doxygen_qhp_cust_filter_attrs,["Clang,$PACKAGE_VERSION"])
971 AC_MSG_ERROR([Invalid setting for --enable-doxygen-qt-help. Use "yes" or "no"]) ;;
974 dnl Allow disablement of threads
975 AC_ARG_ENABLE(threads,
976 AS_HELP_STRING([--enable-threads],
977 [Use threads if available (default is YES)]),,
980 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
981 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
982 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
983 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
985 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
986 [Define if threads enabled])
988 dnl Allow disablement of pthread.h
989 AC_ARG_ENABLE(pthreads,
990 AS_HELP_STRING([--enable-pthreads],
991 [Use pthreads if available (default is YES)]),,
994 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
995 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
996 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
997 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
1000 dnl Allow disablement of zlib
1002 AS_HELP_STRING([--enable-zlib],
1003 [Use zlib for compression/decompression if
1004 available (default is YES)]),,
1006 case "$enableval" in
1007 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
1008 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
1009 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
1010 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
1012 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
1013 [Define if zlib is enabled])
1015 dnl Allow building without position independent code
1017 AS_HELP_STRING([--enable-pic],
1018 [Build LLVM with Position Independent Code (default is YES)]),,
1020 case "$enableval" in
1021 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
1022 no) AC_SUBST(ENABLE_PIC,[0]) ;;
1023 default) AC_SUBST(ENABLE_PIC,[1]) ;;
1024 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
1026 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
1027 [Define if position independent code is enabled])
1029 dnl Allow building a shared library and linking tools against it.
1030 AC_ARG_ENABLE(shared,
1031 AS_HELP_STRING([--enable-shared],
1032 [Build a shared library and link tools against it (default is NO)]),,
1034 case "$enableval" in
1035 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
1036 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
1037 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
1038 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
1041 dnl Allow libstdc++ is embedded in LLVM.dll.
1042 AC_ARG_ENABLE(embed-stdcxx,
1043 AS_HELP_STRING([--enable-embed-stdcxx],
1044 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
1046 case "$enableval" in
1047 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
1048 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
1049 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
1050 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
1053 dnl Enable embedding timestamp information into build.
1054 AC_ARG_ENABLE(timestamps,
1055 AS_HELP_STRING([--enable-timestamps],
1056 [Enable embedding timestamp information in build (default is YES)]),,
1058 case "$enableval" in
1059 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
1060 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
1061 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
1062 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
1064 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
1065 [Define if timestamp information (e.g., __DATE__) is allowed])
1067 dnl Enable support for showing backtraces.
1068 AC_ARG_ENABLE(backtraces, AS_HELP_STRING(
1069 [--enable-backtraces],
1070 [Enable embedding backtraces on crash (default is YES)]),
1071 [case "$enableval" in
1072 yes) llvm_cv_enable_backtraces="yes" ;;
1073 no) llvm_cv_enable_backtraces="no" ;;
1074 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
1076 llvm_cv_enable_backtraces="yes")
1077 if test "$llvm_cv_enable_backtraces" = "yes" ; then
1078 AC_DEFINE([ENABLE_BACKTRACES],[1],
1079 [Define if you want backtraces on crash])
1082 dnl Enable installing platform specific signal handling overrides, for improved
1083 dnl CrashRecovery support or interaction with crash reporting software. This
1084 dnl support may be inappropriate for some clients embedding LLVM as a library.
1085 AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING(
1086 [--enable-crash-overrides],
1087 [Enable crash handling overrides (default is YES)]),
1088 [case "$enableval" in
1089 yes) llvm_cv_enable_crash_overrides="yes" ;;
1090 no) llvm_cv_enable_crash_overrides="no" ;;
1091 *) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;;
1093 llvm_cv_enable_crash_overrides="yes")
1094 if test "$llvm_cv_enable_crash_overrides" = "yes" ; then
1095 AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1],
1096 [Define to enable crash handling overrides])
1099 dnl List all possible targets
1100 ALL_TARGETS="X86 Sparc PowerPC ARM AArch64 Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600 BPF"
1101 AC_SUBST(ALL_TARGETS,$ALL_TARGETS)
1103 dnl Allow specific targets to be specified for building (or not)
1105 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
1106 [Build specific host targets: all or target1,target2,... Valid targets are:
1107 host, x86, x86_64, sparc, powerpc, arm64, arm, aarch64, mips, hexagon,
1108 xcore, msp430, nvptx, systemz, r600, bpf, and cpp (default=all)]),,
1110 if test "$enableval" = host-only ; then
1113 case "$enableval" in
1114 all) TARGETS_TO_BUILD="$ALL_TARGETS" ;;
1115 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
1117 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1118 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1119 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
1120 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
1121 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
1122 arm64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
1123 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
1124 bpf) TARGETS_TO_BUILD="BPF $TARGETS_TO_BUILD" ;;
1125 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1126 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1127 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1128 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1129 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
1130 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
1131 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
1132 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
1133 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
1134 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
1135 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
1136 host) case "$llvm_cv_target_arch" in
1137 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1138 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1139 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
1140 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
1141 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
1142 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
1143 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1144 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
1145 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
1146 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
1147 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
1148 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
1149 *) AC_MSG_ERROR([Can not set target to build]) ;;
1151 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
1157 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
1158 [Build experimental host targets: disable or target1,target2,...
1159 (default=disable)]),,
1162 if test ${enableval} != "disable"
1164 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
1167 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
1169 dnl Determine whether we are building LLVM support for the native architecture.
1170 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
1171 for a_target in $TARGETS_TO_BUILD; do
1172 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
1173 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
1174 [LLVM architecture name for the native architecture, if available])
1175 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
1176 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
1177 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
1178 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
1179 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1180 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
1182 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1183 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
1185 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
1186 [LLVM name for the native Target init function, if available])
1187 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
1188 [LLVM name for the native TargetInfo init function, if available])
1189 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
1190 [LLVM name for the native target MC init function, if available])
1191 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
1192 [LLVM name for the native AsmPrinter init function, if available])
1193 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1194 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
1195 [LLVM name for the native AsmParser init function, if available])
1197 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1198 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
1199 [LLVM name for the native Disassembler init function, if available])
1204 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
1205 dnl target feature def files.
1206 LLVM_ENUM_TARGETS=""
1207 LLVM_ENUM_ASM_PRINTERS=""
1208 LLVM_ENUM_ASM_PARSERS=""
1209 LLVM_ENUM_DISASSEMBLERS=""
1210 for target_to_build in $TARGETS_TO_BUILD; do
1211 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
1212 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
1213 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
1215 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
1216 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
1218 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
1219 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
1222 AC_SUBST(LLVM_ENUM_TARGETS)
1223 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
1224 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
1225 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
1227 dnl Override the option to use for optimized builds.
1228 AC_ARG_WITH(optimize-option,
1229 AS_HELP_STRING([--with-optimize-option],
1230 [Select the compiler options to use for optimized builds]),,
1232 AC_MSG_CHECKING([optimization flags])
1235 case "$llvm_cv_os_type" in
1236 FreeBSD) optimize_option=-O2 ;;
1237 MingW) optimize_option=-O2 ;;
1238 *) optimize_option=-O3 ;;
1240 *) optimize_option="$withval" ;;
1242 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
1243 AC_MSG_RESULT([$optimize_option])
1245 dnl Specify extra build options
1246 AC_ARG_WITH(extra-options,
1247 AS_HELP_STRING([--with-extra-options],
1248 [Specify additional options to compile LLVM with]),,
1251 default) EXTRA_OPTIONS= ;;
1252 *) EXTRA_OPTIONS=$withval ;;
1254 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
1256 dnl Specify extra linker build options
1257 AC_ARG_WITH(extra-ld-options,
1258 AS_HELP_STRING([--with-extra-ld-options],
1259 [Specify additional options to link LLVM with]),,
1262 default) EXTRA_LD_OPTIONS= ;;
1263 *) EXTRA_LD_OPTIONS=$withval ;;
1265 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
1267 dnl Allow specific bindings to be specified for building (or not)
1268 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
1269 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
1271 BINDINGS_TO_BUILD=""
1272 case "$enableval" in
1273 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
1274 all ) BINDINGS_TO_BUILD="ocaml" ;;
1275 none | no) BINDINGS_TO_BUILD="" ;;
1276 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
1277 case "$a_binding" in
1278 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
1279 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
1285 dnl Allow the ocaml libdir to be overridden. This could go in a configure
1286 dnl script for bindings/ocaml/configure, except that its auto value depends on
1287 dnl OCAMLC, which is found here to support tests.
1288 AC_ARG_WITH([ocaml-libdir],
1289 [AS_HELP_STRING([--with-ocaml-libdir],
1290 [Specify install location for ocaml bindings (default is stdlib)])],
1294 auto) with_ocaml_libdir="$withval" ;;
1295 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
1296 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
1299 AC_ARG_WITH(clang-srcdir,
1300 AS_HELP_STRING([--with-clang-srcdir],
1301 [Directory to the out-of-tree Clang source]),,
1304 -) clang_src_root="" ;;
1305 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
1306 *) clang_src_root="$ac_pwd/$withval" ;;
1308 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1310 AC_ARG_WITH(clang-resource-dir,
1311 AS_HELP_STRING([--with-clang-resource-dir],
1312 [Relative directory from the Clang binary for resource files]),,
1314 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1315 [Relative directory for resource files])
1317 AC_ARG_WITH(c-include-dirs,
1318 AS_HELP_STRING([--with-c-include-dirs],
1319 [Colon separated list of directories clang will search for headers]),,
1321 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1322 [Directories clang will search for headers])
1324 # Clang normally uses the system c++ headers and libraries. With this option,
1325 # clang will use the ones provided by a gcc installation instead. This option should
1326 # be passed the same value that was used with --prefix when configuring gcc.
1327 AC_ARG_WITH(gcc-toolchain,
1328 AS_HELP_STRING([--with-gcc-toolchain],
1329 [Directory where gcc is installed.]),,
1331 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1332 [Directory where gcc is installed.])
1334 AC_ARG_WITH(default-sysroot,
1335 AS_HELP_STRING([--with-default-sysroot],
1336 [Add --sysroot=<path> to all compiler invocations.]),,
1338 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1339 [Default <path> to all compiler invocations for --sysroot=<path>.])
1341 AC_ARG_WITH(clang-default-openmp-runtime,
1342 AS_HELP_STRING([--with-clang-default-openmp-runtime],
1343 [The default OpenMP runtime for Clang.]),,
1345 AC_DEFINE_UNQUOTED(CLANG_DEFAULT_OPENMP_RUNTIME,"$withval",
1346 [Default OpenMP runtime used by -fopenmp.])
1348 dnl Allow linking of LLVM with GPLv3 binutils code.
1349 AC_ARG_WITH(binutils-include,
1350 AS_HELP_STRING([--with-binutils-include],
1351 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1354 default) WITH_BINUTILS_INCDIR=default ;;
1355 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1356 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1358 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1359 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1360 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1361 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1362 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1366 dnl Specify the URL where bug reports should be submitted.
1367 AC_ARG_WITH(bug-report-url,
1368 AS_HELP_STRING([--with-bug-report-url],
1369 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1370 withval="http://llvm.org/bugs/")
1371 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1374 dnl --enable-terminfo: check whether the user wants to control use of terminfo:
1375 AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
1376 [--enable-terminfo],
1377 [Query the terminfo database if available (default is YES)]),
1378 [case "$enableval" in
1379 yes) llvm_cv_enable_terminfo="yes" ;;
1380 no) llvm_cv_enable_terminfo="no" ;;
1381 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
1383 llvm_cv_enable_terminfo="yes")
1384 case "$llvm_cv_enable_terminfo" in
1385 yes) AC_SUBST(ENABLE_TERMINFO,[1]) ;;
1386 no) AC_SUBST(ENABLE_TERMINFO,[0]) ;;
1389 dnl --enable-libedit: check whether the user wants to turn off libedit.
1390 AC_ARG_ENABLE(libedit,AS_HELP_STRING(
1392 [Use libedit if available (default is YES)]),
1393 [case "$enableval" in
1394 yes) llvm_cv_enable_libedit="yes" ;;
1395 no) llvm_cv_enable_libedit="no" ;;
1396 *) AC_MSG_ERROR([Invalid setting for --enable-libedit. Use "yes" or "no"]) ;;
1398 llvm_cv_enable_libedit="yes")
1400 dnl --enable-libffi : check whether the user wants to turn off libffi:
1401 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1402 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1403 [case "$enableval" in
1404 yes) llvm_cv_enable_libffi="yes" ;;
1405 no) llvm_cv_enable_libffi="no" ;;
1406 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1408 llvm_cv_enable_libffi=no)
1410 AC_ARG_WITH(internal-prefix,
1411 AS_HELP_STRING([--with-internal-prefix],
1412 [Installation directory for internal files]),,
1414 AC_SUBST(INTERNAL_PREFIX,[$withval])
1416 dnl===-----------------------------------------------------------------------===
1418 dnl=== SECTION 4: Check for programs we need and that they are the right version
1420 dnl===-----------------------------------------------------------------------===
1422 dnl Check for the tools that the makefiles require
1425 AC_PATH_PROG(NM, [nm], [nm])
1426 AC_PATH_PROG(CMP, [cmp], [cmp])
1427 AC_PATH_PROG(CP, [cp], [cp])
1428 AC_PATH_PROG(DATE, [date], [date])
1429 AC_PATH_PROG(FIND, [find], [find])
1430 AC_PATH_PROG(GREP, [grep], [grep])
1431 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1432 AC_PATH_PROG(MV, [mv], [mv])
1434 AC_CHECK_TOOL(AR, ar, false)
1435 AC_PATH_PROG(RM, [rm], [rm])
1436 AC_PATH_PROG(SED, [sed], [sed])
1437 AC_PATH_PROG(TAR, [tar], [gtar])
1438 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1440 dnl Looking for misc. graph plotting software
1441 AC_PATH_PROG(DOT, [dot], [echo dot])
1442 if test "$DOT" != "echo dot" ; then
1443 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1444 dnl If we're targeting for mingw we should emit windows paths, not msys
1445 if test "$llvm_cv_os_type" = "MingW" ; then
1446 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1448 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1449 [Define to path to dot program if found or 'echo dot' otherwise])
1452 dnl Find the install program
1454 dnl Prepend src dir to install path dir if it's a relative path
1455 dnl This is a hack for installs that take place in something other
1456 dnl than the top level.
1458 [[\\/$]]* | ?:[[\\/]]* ) ;;
1459 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1462 dnl Checks for documentation and testing tools that we can do without. If these
1463 dnl are not found then they are set to "true" which always succeeds but does
1464 dnl nothing. This just lets the build output show that we could have done
1465 dnl something if the tool was available.
1466 AC_PATH_PROG(BZIP2, [bzip2])
1467 AC_PATH_PROG(CAT, [cat])
1468 AC_PATH_PROG(DOXYGEN, [doxygen])
1469 AC_PATH_PROG(GROFF, [groff])
1470 AC_PATH_PROG(GZIPBIN, [gzip])
1471 AC_PATH_PROG(PDFROFF, [pdfroff])
1472 AC_PATH_PROG(ZIP, [zip])
1473 AC_PATH_PROG(GO, [go])
1474 AC_PATH_PROGS(OCAMLFIND, [ocamlfind])
1475 AC_PATH_PROGS(GAS, [gas as])
1477 dnl Get the version of the linker in use.
1480 dnl Determine whether the linker supports the -R option.
1483 dnl Determine whether the compiler supports the -rdynamic option.
1484 AC_LINK_EXPORT_DYNAMIC
1486 dnl Determine whether the linker supports the --version-script option.
1487 AC_LINK_VERSION_SCRIPT
1489 AC_CHECK_HEADERS([errno.h])
1491 case "$llvm_cv_os_type" in
1492 Cygwin|MingW|Win32) llvm_shlib_ext=.dll ;;
1493 Darwin) llvm_shlib_ext=.dylib ;;
1494 *) llvm_shlib_ext=.so ;;
1497 AC_DEFINE_UNQUOTED([LTDL_SHLIB_EXT], ["$llvm_shlib_ext"], [The shared library extension])
1499 AC_MSG_CHECKING([tool compatibility])
1501 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1502 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1503 dnl to support those options.
1504 dnl "icc" emits gcc signatures
1505 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1517 if test "$GCC" != "yes" && test "$ICC" != "yes"
1519 AC_MSG_ERROR([gcc|icc required but not found])
1522 dnl Ensure that compilation tools are compatible with GCC extensions
1523 if test "$GXX" != "yes" && test "$IXX" != "yes"
1525 AC_MSG_ERROR([g++|clang++|icc required but not found])
1528 dnl Verify that GCC is version 3.0 or higher
1529 if test "$GCC" = "yes"
1534 #if !defined(__GNUC__) || __GNUC__ < 3
1535 #error Unsupported GCC version
1539 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1542 dnl Check for GNU Make. We use its extensions, so don't build without it
1543 if test -z "$llvm_cv_gnu_make_command"
1545 AC_MSG_ERROR([GNU Make required but not found])
1548 dnl Tool compatibility is okay if we make it here.
1551 dnl Check optional compiler flags.
1552 AC_MSG_CHECKING([optional compiler flags])
1553 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1554 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1555 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1557 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1558 dnl false positives, so disable it.
1560 NO_MAYBE_UNINITIALIZED=
1561 if test "$GXX" = "yes"
1563 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1564 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1565 dnl known to be uninitialized from cases which might be uninitialized. We
1566 dnl still want to catch the first kind of errors.
1567 if test -z "$NO_MAYBE_UNINITIALIZED"
1569 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1573 dnl Check for misbehaving -Wcomment (gcc-4.7 has this) and maybe add
1574 dnl -Wno-comment to the flags.
1576 llvm_cv_old_cxxflags="$CXXFLAGS"
1577 CXXFLAGS="$CXXFLAGS -Wcomment -Werror"
1580 AC_LANG_SOURCE([[// Comment \o\
1582 int main() { return 0; }
1586 no_comment=-Wno-comment
1589 AC_SUBST(NO_COMMENT, [$no_comment])
1590 CXXFLAGS="$llvm_cv_old_cxxflags"
1592 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED $NO_COMMENT])
1594 AC_ARG_WITH([python],
1595 [AS_HELP_STRING([--with-python], [path to python])],
1596 [PYTHON="$withval"])
1598 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1599 AC_MSG_CHECKING([for python])
1600 AC_MSG_RESULT([user defined: $with_python])
1602 if test -n "$PYTHON" ; then
1603 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1606 AC_PATH_PROG([PYTHON], [python python2 python27],
1607 [AC_MSG_RESULT([not found])
1608 AC_MSG_ERROR([could not find python 2.7 or higher])])
1611 AC_MSG_CHECKING([for python >= 2.7])
1612 ac_python_version=`$PYTHON -V 2>&1 | cut -d' ' -f2`
1613 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1614 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1615 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1616 if test "$ac_python_version_major" -gt "2" || \
1617 (test "$ac_python_version_major" -eq "2" && \
1618 test "$ac_python_version_minor" -ge "7") ; then
1619 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1621 AC_MSG_RESULT([not found])
1622 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.7])
1625 dnl===-----------------------------------------------------------------------===
1627 dnl=== SECTION 5: Check for libraries
1629 dnl===-----------------------------------------------------------------------===
1632 if test "$llvm_cv_os_type" = "MingW" ; then
1633 AC_CHECK_LIB(imagehlp, main)
1634 AC_CHECK_LIB(psapi, main)
1635 AC_CHECK_LIB(shell32, main)
1638 dnl dlopen() is required for plugin support.
1639 AC_SEARCH_LIBS(dlopen,dl,LLVM_DEFINE_SUBST([HAVE_DLOPEN],[1],
1640 [Define if dlopen() is available on this platform.]),
1641 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1643 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1644 dnl macros to detect whether clock_gettime is available, this just finds the
1645 dnl right libraries to link with.
1646 AC_SEARCH_LIBS(clock_gettime,rt)
1648 dnl The curses library is optional; used for querying terminal info
1649 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1650 dnl We need the has_color functionality in curses for it to be useful.
1651 AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw,
1652 LLVM_DEFINE_SUBST([HAVE_TERMINFO],[1],
1653 [Define if the setupterm() function is supported this platform.]))
1656 dnl The libedit library is optional; used by lib/LineEditor
1657 if test "$llvm_cv_enable_libedit" = "yes" ; then
1658 AC_SEARCH_LIBS(el_init,edit,
1659 AC_DEFINE([HAVE_LIBEDIT],[1],
1660 [Define if libedit is available on this platform.]))
1663 dnl libffi is optional; used to call external functions from the interpreter
1664 if test "$llvm_cv_enable_libffi" = "yes" ; then
1665 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1666 [Define if libffi is available on this platform.]),
1667 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1670 dnl mallinfo is optional; the code can compile (minus features) without it
1671 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1672 [Define if mallinfo() is available on this platform.]))
1674 dnl pthread locking functions are optional - but llvm will not be thread-safe
1676 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1677 AC_CHECK_LIB(pthread, pthread_mutex_init)
1678 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1679 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1680 [Have pthread_mutex_lock]))
1681 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1682 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1683 [Have pthread_rwlock_init]))
1684 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1685 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1686 [Have pthread_getspecific]))
1689 dnl zlib is optional; used for compression/uncompression
1690 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1691 AC_CHECK_LIB(z, compress2)
1694 dnl Allow OProfile support for JIT output.
1695 AC_ARG_WITH(oprofile,
1696 AS_HELP_STRING([--with-oprofile=<prefix>],
1697 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1699 AC_SUBST(USE_OPROFILE, [1])
1701 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1703 AC_SUBST(USE_OPROFILE, [0]) ;;
1704 *) llvm_cv_oppath="${withval}/lib/oprofile"
1705 CPPFLAGS="-I${withval}/include";;
1707 case $llvm_cv_os_type in
1709 if test -n "$llvm_cv_oppath" ; then
1710 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1711 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1712 dnl libbfd is not included properly in libopagent in some Debian
1713 dnl versions. If libbfd isn't found at all, we assume opagent works
1715 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1716 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1717 echo "Error! You need to have libopagent around."
1720 AC_CHECK_HEADER([opagent.h], [], [
1721 echo "Error! You need to have opagent.h around."
1726 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1730 AC_SUBST(USE_OPROFILE, [0])
1732 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1733 [Define if we have the oprofile JIT-support library])
1735 dnl Enable support for Intel JIT Events API.
1736 AC_ARG_WITH(intel-jitevents,
1737 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1740 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1741 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1742 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1745 case $llvm_cv_os_type in
1746 Linux|Win32|Cygwin|MingW) ;;
1747 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1750 case "$llvm_cv_target_arch" in
1752 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1756 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1758 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1759 [Define if we have the Intel JIT API runtime support library])
1761 dnl Check for libxml2
1762 dnl Right now we're just checking for the existence, we could also check for a
1763 dnl particular version via --version on xml2-config
1764 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1766 AC_MSG_CHECKING(for libxml2 includes)
1767 if test "x$XML2CONFIG" = "x"; then
1768 AC_MSG_RESULT(xml2-config not found)
1770 LIBXML2_INC=`$XML2CONFIG --cflags`
1771 AC_MSG_RESULT($LIBXML2_INC)
1772 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1773 LIBXML2_LIBS="-lxml2"])
1775 AC_SUBST(LIBXML2_LIBS)
1776 AC_SUBST(LIBXML2_INC)
1778 dnl===-----------------------------------------------------------------------===
1780 dnl=== SECTION 6: Check for header files
1782 dnl===-----------------------------------------------------------------------===
1784 dnl First, use autoconf provided macros for specific headers that we need
1785 dnl We don't check for ancient stuff or things that are guaranteed to be there
1786 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1787 dnl Generally we're looking for POSIX headers.
1789 AC_HEADER_MMAP_ANONYMOUS
1795 dnl size_t must be defined before including cxxabi.h on FreeBSD 10.0.
1796 AC_CHECK_HEADERS([cxxabi.h], [], [],
1797 [#include <stddef.h>
1801 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
1802 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1803 AC_CHECK_HEADERS([utime.h])
1804 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1805 AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
1806 AC_CHECK_HEADERS([valgrind/valgrind.h])
1807 AC_CHECK_HEADERS([fenv.h])
1808 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1809 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1810 AC_CHECK_HEADERS(pthread.h,
1811 AC_SUBST(HAVE_PTHREAD, 1),
1812 AC_SUBST(HAVE_PTHREAD, 0))
1814 AC_SUBST(HAVE_PTHREAD, 0)
1816 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1817 AC_CHECK_HEADERS(zlib.h,
1818 AC_SUBST(HAVE_LIBZ, 1),
1819 AC_SUBST(HAVE_LIBZ, 0))
1821 AC_SUBST(HAVE_LIBZ, 0)
1824 dnl Try to find ffi.h.
1825 if test "$llvm_cv_enable_libffi" = "yes" ; then
1826 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1829 dnl Try to find Darwin specific crash reporting libraries.
1830 AC_CHECK_HEADERS([CrashReporterClient.h])
1832 dnl Try to find Darwin specific crash reporting global.
1833 AC_MSG_CHECKING([__crashreporter_info__])
1837 extern const char *__crashreporter_info__;
1839 __crashreporter_info__ = "test";
1845 AC_MSG_RESULT([yes])
1846 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1850 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1853 dnl===-----------------------------------------------------------------------===
1855 dnl=== SECTION 7: Check for types and structures
1857 dnl===-----------------------------------------------------------------------===
1862 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1864 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1865 AC_CHECK_TYPES([uint64_t],,
1866 AC_CHECK_TYPES([u_int64_t],,
1867 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1869 dnl===-----------------------------------------------------------------------===
1871 dnl=== SECTION 8: Check for specific functions needed
1873 dnl===-----------------------------------------------------------------------===
1875 AC_CHECK_FUNCS([backtrace getcwd ])
1876 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1877 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1878 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
1879 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1880 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1881 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1882 AC_CHECK_FUNCS([futimes futimens])
1886 dnl Check for arc4random accessible via AC_INCLUDES_DEFAULT.
1887 AC_CHECK_DECLS([arc4random])
1889 dnl Check the declaration "Secure API" on Windows environments.
1890 AC_CHECK_DECLS([strerror_s])
1892 dnl Check symbols in libgcc.a for JIT on Mingw.
1893 if test "$llvm_cv_os_type" = "MingW" ; then
1894 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1895 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1896 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1897 AC_CHECK_LIB(gcc,__chkstk_ms,AC_DEFINE([HAVE___CHKSTK_MS],[1],[Have host's __chkstk_ms]))
1898 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1899 AC_CHECK_LIB(gcc,___chkstk_ms,AC_DEFINE([HAVE____CHKSTK_MS],[1],[Have host's ___chkstk_ms]))
1901 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1902 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1903 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1904 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1905 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1906 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1907 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1908 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1909 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1910 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1912 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1913 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1916 dnl Check Win32 API EnumerateLoadedModules.
1917 if test "$llvm_cv_os_type" = "MingW" ; then
1918 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1922 #include <windows.h>
1923 #include <imagehlp.h>
1924 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1925 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1929 AC_MSG_RESULT([yes])
1930 llvm_cv_win32_elmcb_pcstr="PCSTR"
1934 llvm_cv_win32_elmcb_pcstr="PSTR"
1936 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1939 dnl Check for mmap support.We also need to know if /dev/zero is required to
1940 dnl be opened for allocating RWX memory.
1941 dnl Make sure we aren't attempting to configure for an unknown system
1942 if test "$llvm_cv_platform_type" = "Unix" ; then
1945 AC_NEED_DEV_ZERO_FOR_MMAP
1947 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1949 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1951 if test "$ac_cv_func_mmap_file" = "no"
1953 AC_MSG_WARN([mmap() of files required but not found])
1957 dnl atomic builtins are required for threading support.
1958 AC_MSG_CHECKING(for GCC atomic builtins)
1959 dnl Since we'll be using these atomic builtins in C++ files we should test
1960 dnl the C++ compiler.
1966 volatile unsigned long val = 1;
1967 __sync_synchronize();
1968 __sync_val_compare_and_swap(&val, 1, 0);
1969 __sync_add_and_fetch(&val, 1);
1970 __sync_sub_and_fetch(&val, 1);
1976 AC_MSG_RESULT([yes])
1977 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1981 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1982 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1986 dnl===-----------------------------------------------------------------------===
1988 dnl=== SECTION 9: Additional checks, variables, etc.
1990 dnl===-----------------------------------------------------------------------===
1992 dnl Handle 32-bit linux systems running a 64-bit kernel.
1993 dnl This has to come after section 4 because it invokes the compiler.
1994 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1996 if test "$llvm_cv_linux_mixed" = "yes"; then
1997 llvm_cv_target_arch="x86"
2002 dnl Check whether __dso_handle is present
2003 AC_CHECK_FUNCS([__dso_handle])
2005 dnl Propagate the shared library extension that the libltdl checks did to
2006 dnl the Makefiles so we can use it there too
2007 AC_SUBST(SHLIBEXT,$llvm_shlib_ext)
2009 dnl Translate the various configuration directories and other basic
2010 dnl information into substitutions that will end up in Makefile.config.in
2011 dnl that these configured values can be used by the makefiles
2012 if test "${prefix}" = "NONE" ; then
2015 eval LLVM_PREFIX="${prefix}";
2016 eval LLVM_BINDIR="${prefix}/bin";
2017 eval LLVM_DATADIR="${prefix}/share/llvm";
2018 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
2019 eval LLVM_ETCDIR="${prefix}/etc/llvm";
2020 eval LLVM_INCLUDEDIR="${prefix}/include";
2021 eval LLVM_INFODIR="${prefix}/info";
2022 eval LLVM_MANDIR="${prefix}/man";
2023 LLVM_CONFIGTIME=`date`
2024 AC_SUBST(LLVM_PREFIX)
2025 AC_SUBST(LLVM_BINDIR)
2026 AC_SUBST(LLVM_DATADIR)
2027 AC_SUBST(LLVM_DOCSDIR)
2028 AC_SUBST(LLVM_ETCDIR)
2029 AC_SUBST(LLVM_INCLUDEDIR)
2030 AC_SUBST(LLVM_INFODIR)
2031 AC_SUBST(LLVM_MANDIR)
2032 AC_SUBST(LLVM_CONFIGTIME)
2034 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
2035 if test "${ENABLE_TIMESTAMPS}" = "0"; then
2036 LLVM_CONFIGTIME="(timestamp not enabled)"
2039 dnl Place the various directories into the config.h file as #defines so that we
2040 dnl can know about the installation paths within LLVM.
2041 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
2042 [Installation prefix directory])
2043 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
2044 [Installation directory for binary executables])
2045 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
2046 [Installation directory for data files])
2047 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
2048 [Installation directory for documentation])
2049 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
2050 [Installation directory for config files])
2051 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
2052 [Installation directory for include files])
2053 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
2054 [Installation directory for .info files])
2055 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
2056 [Installation directory for man pages])
2057 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
2058 [Time at which LLVM was configured])
2059 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
2060 [Host triple LLVM will be executed on])
2061 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
2062 [Target triple LLVM will generate code for by default])
2064 dnl Determine which bindings to build.
2065 if test "$BINDINGS_TO_BUILD" = auto ; then
2066 BINDINGS_TO_BUILD=""
2067 if test "x$OCAMLFIND" != x ; then
2068 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
2070 if test "x$GO" != x ; then
2071 if $GO run ${srcdir}/bindings/go/conftest.go ; then
2072 BINDINGS_TO_BUILD="go $BINDINGS_TO_BUILD"
2076 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
2078 dnl Do any work necessary to ensure that bindings have what they need.
2079 binding_prereqs_failed=0
2080 for a_binding in $BINDINGS_TO_BUILD ; do
2081 case "$a_binding" in
2083 if test "x$OCAMLFIND" = x ; then
2084 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlfind not found. Try configure OCAMLFIND=/path/to/ocamlfind])
2085 binding_prereqs_failed=1
2088 if $OCAMLFIND opt -version >/dev/null 2>/dev/null ; then
2093 AC_SUBST(HAVE_OCAMLOPT)
2095 if ! $OCAMLFIND query ctypes >/dev/null 2>/dev/null; then
2096 AC_MSG_WARN([--enable-bindings=ocaml specified, but ctypes is not installed])
2097 binding_prereqs_failed=1
2100 if $OCAMLFIND query oUnit >/dev/null 2>/dev/null; then
2104 AC_MSG_WARN([--enable-bindings=ocaml specified, but OUnit 2 is not installed. Tests will not run])
2105 dnl oUnit is optional!
2107 AC_SUBST(HAVE_OCAML_OUNIT)
2109 if test "x$with_ocaml_libdir" != xauto ; then
2110 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
2112 ocaml_stdlib="`"$OCAMLFIND" ocamlc -where`"
2113 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
2115 # ocaml stdlib is beneath our prefix; use stdlib
2116 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
2118 # ocaml stdlib is outside our prefix; use libdir/ocaml
2119 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
2124 if test "x$GO" = x ; then
2125 AC_MSG_WARN([--enable-bindings=go specified, but go not found. Try configure GO=/path/to/go])
2126 binding_prereqs_failed=1
2128 if $GO run ${srcdir}/bindings/go/conftest.go ; then
2131 AC_MSG_WARN([--enable-bindings=go specified, but need at least Go 1.2. Try configure GO=/path/to/go])
2132 binding_prereqs_failed=1
2138 if test "$binding_prereqs_failed" = 1 ; then
2139 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
2142 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
2143 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
2145 dnl Determine linker rpath flag
2146 if test "$llvm_cv_link_use_r" = "yes" ; then
2153 dnl Determine linker rdynamic flag
2154 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
2155 RDYNAMIC="-rdynamic"
2161 dnl===-----------------------------------------------------------------------===
2163 dnl=== SECTION 10: Specify the output files and generate it
2165 dnl===-----------------------------------------------------------------------===
2167 dnl Configure header files
2168 dnl WARNING: dnl If you add or remove any of the following config headers, then
2169 dnl you MUST also update Makefile so that the variable FilesToConfig
2170 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
2171 dnl files can be updated automatically when their *.in sources change.
2172 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
2173 AH_TOP([#ifndef CONFIG_H
2177 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
2178 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
2179 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
2180 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
2181 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
2183 dnl Configure the makefile's configuration data
2184 AC_CONFIG_FILES([Makefile.config])
2186 dnl Configure the RPM spec file for LLVM
2187 AC_CONFIG_FILES([llvm.spec])
2189 dnl Configure doxygen's configuration file
2190 AC_CONFIG_FILES([docs/doxygen.cfg])
2192 dnl Configure clang, if present
2193 if test "${clang_src_root}" = ""; then
2194 clang_src_root="$srcdir/tools/clang"
2196 if test -f ${clang_src_root}/README.txt; then
2197 dnl Clang supports build systems which use the multilib libdir suffix.
2198 dnl The autoconf system doesn't support this so stub out that variable.
2199 AC_DEFINE_UNQUOTED(CLANG_LIBDIR_SUFFIX,"",
2200 [Multilib suffix for libdir.])
2202 dnl Use variables to stay under 80 columns.
2203 configh="include/clang/Config/config.h"
2204 doxy="docs/doxygen.cfg"
2205 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
2206 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
2209 dnl OCaml findlib META file
2210 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
2212 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
2213 test "x$program_prefix" = "xNONE" && program_prefix=""
2214 AC_SUBST([program_prefix])
2217 dnl Do special configuration of Makefiles
2218 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
2219 AC_CONFIG_MAKEFILE(Makefile)
2220 AC_CONFIG_MAKEFILE(Makefile.common)
2221 AC_CONFIG_MAKEFILE(examples/Makefile)
2222 AC_CONFIG_MAKEFILE(lib/Makefile)
2223 AC_CONFIG_MAKEFILE(test/Makefile)
2224 AC_CONFIG_MAKEFILE(test/Makefile.tests)
2225 AC_CONFIG_MAKEFILE(unittests/Makefile)
2226 AC_CONFIG_MAKEFILE(tools/Makefile)
2227 AC_CONFIG_MAKEFILE(utils/Makefile)
2228 AC_CONFIG_MAKEFILE(projects/Makefile)
2229 AC_CONFIG_MAKEFILE(bindings/Makefile)
2230 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
2232 dnl Finally, crank out the output