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 "$llvm_cv_enable_crash_overrides" = "yes" ; then
1095 AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1],
1096 [Define to enable crash handling overrides])
1099 dnl List all possible targets
1100 ALL_TARGETS="X86 Sparc PowerPC ARM AArch64 Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ AMDGPU BPF"
1101 AC_SUBST(ALL_TARGETS,$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 amdgpu) TARGETS_TO_BUILD="AMDGPU $TARGETS_TO_BUILD" ;;
1136 r600) TARGETS_TO_BUILD="AMDGPU $TARGETS_TO_BUILD" ;;
1137 host) case "$llvm_cv_target_arch" in
1138 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1139 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
1140 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
1141 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
1142 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
1143 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
1144 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
1145 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
1146 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
1147 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
1148 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
1149 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
1150 *) AC_MSG_ERROR([Can not set target to build]) ;;
1152 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
1158 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
1159 [Build experimental host targets: disable or target1,target2,...
1160 (default=disable)]),,
1163 if test ${enableval} != "disable"
1165 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
1168 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
1170 dnl Determine whether we are building LLVM support for the native architecture.
1171 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
1172 for a_target in $TARGETS_TO_BUILD; do
1173 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
1174 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
1175 [LLVM architecture name for the native architecture, if available])
1176 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
1177 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
1178 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
1179 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
1180 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1181 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
1183 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1184 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
1186 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
1187 [LLVM name for the native Target init function, if available])
1188 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
1189 [LLVM name for the native TargetInfo init function, if available])
1190 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
1191 [LLVM name for the native target MC init function, if available])
1192 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
1193 [LLVM name for the native AsmPrinter init function, if available])
1194 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
1195 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
1196 [LLVM name for the native AsmParser init function, if available])
1198 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
1199 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
1200 [LLVM name for the native Disassembler init function, if available])
1205 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
1206 dnl target feature def files.
1207 LLVM_ENUM_TARGETS=""
1208 LLVM_ENUM_ASM_PRINTERS=""
1209 LLVM_ENUM_ASM_PARSERS=""
1210 LLVM_ENUM_DISASSEMBLERS=""
1211 for target_to_build in $TARGETS_TO_BUILD; do
1212 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
1213 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
1214 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
1216 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
1217 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
1219 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
1220 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
1223 AC_SUBST(LLVM_ENUM_TARGETS)
1224 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
1225 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
1226 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
1228 dnl Override the option to use for optimized builds.
1229 AC_ARG_WITH(optimize-option,
1230 AS_HELP_STRING([--with-optimize-option],
1231 [Select the compiler options to use for optimized builds]),,
1233 AC_MSG_CHECKING([optimization flags])
1236 case "$llvm_cv_os_type" in
1237 FreeBSD) optimize_option=-O2 ;;
1238 MingW) optimize_option=-O2 ;;
1239 *) optimize_option=-O3 ;;
1241 *) optimize_option="$withval" ;;
1243 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
1244 AC_MSG_RESULT([$optimize_option])
1246 dnl Specify extra build options
1247 AC_ARG_WITH(extra-options,
1248 AS_HELP_STRING([--with-extra-options],
1249 [Specify additional options to compile LLVM with]),,
1252 default) EXTRA_OPTIONS= ;;
1253 *) EXTRA_OPTIONS=$withval ;;
1255 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
1257 dnl Specify extra linker build options
1258 AC_ARG_WITH(extra-ld-options,
1259 AS_HELP_STRING([--with-extra-ld-options],
1260 [Specify additional options to link LLVM with]),,
1263 default) EXTRA_LD_OPTIONS= ;;
1264 *) EXTRA_LD_OPTIONS=$withval ;;
1266 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
1268 dnl Allow specific bindings to be specified for building (or not)
1269 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
1270 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
1272 BINDINGS_TO_BUILD=""
1273 case "$enableval" in
1274 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
1275 all ) BINDINGS_TO_BUILD="ocaml" ;;
1276 none | no) BINDINGS_TO_BUILD="" ;;
1277 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
1278 case "$a_binding" in
1279 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
1280 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
1286 dnl Allow the ocaml libdir to be overridden. This could go in a configure
1287 dnl script for bindings/ocaml/configure, except that its auto value depends on
1288 dnl OCAMLC, which is found here to support tests.
1289 AC_ARG_WITH([ocaml-libdir],
1290 [AS_HELP_STRING([--with-ocaml-libdir],
1291 [Specify install location for ocaml bindings (default is stdlib)])],
1295 auto) with_ocaml_libdir="$withval" ;;
1296 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
1297 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
1300 AC_ARG_WITH(clang-srcdir,
1301 AS_HELP_STRING([--with-clang-srcdir],
1302 [Directory to the out-of-tree Clang source]),,
1305 -) clang_src_root="" ;;
1306 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
1307 *) clang_src_root="$ac_pwd/$withval" ;;
1309 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
1311 AC_ARG_WITH(clang-resource-dir,
1312 AS_HELP_STRING([--with-clang-resource-dir],
1313 [Relative directory from the Clang binary for resource files]),,
1315 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1316 [Relative directory for resource files])
1318 AC_ARG_WITH(c-include-dirs,
1319 AS_HELP_STRING([--with-c-include-dirs],
1320 [Colon separated list of directories clang will search for headers]),,
1322 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1323 [Directories clang will search for headers])
1325 # Clang normally uses the system c++ headers and libraries. With this option,
1326 # clang will use the ones provided by a gcc installation instead. This option should
1327 # be passed the same value that was used with --prefix when configuring gcc.
1328 AC_ARG_WITH(gcc-toolchain,
1329 AS_HELP_STRING([--with-gcc-toolchain],
1330 [Directory where gcc is installed.]),,
1332 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1333 [Directory where gcc is installed.])
1335 AC_ARG_WITH(default-sysroot,
1336 AS_HELP_STRING([--with-default-sysroot],
1337 [Add --sysroot=<path> to all compiler invocations.]),,
1339 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1340 [Default <path> to all compiler invocations for --sysroot=<path>.])
1342 AC_ARG_WITH(clang-default-openmp-runtime,
1343 AS_HELP_STRING([--with-clang-default-openmp-runtime],
1344 [The default OpenMP runtime for Clang.]),,
1346 AC_DEFINE_UNQUOTED(CLANG_DEFAULT_OPENMP_RUNTIME,"$withval",
1347 [Default OpenMP runtime used by -fopenmp.])
1349 dnl Allow linking of LLVM with GPLv3 binutils code.
1350 AC_ARG_WITH(binutils-include,
1351 AS_HELP_STRING([--with-binutils-include],
1352 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1355 default) WITH_BINUTILS_INCDIR=default ;;
1356 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1357 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1359 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1360 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1361 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1362 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1363 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1367 dnl Specify the URL where bug reports should be submitted.
1368 AC_ARG_WITH(bug-report-url,
1369 AS_HELP_STRING([--with-bug-report-url],
1370 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1371 withval="http://llvm.org/bugs/")
1372 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1375 dnl --enable-terminfo: check whether the user wants to control use of terminfo:
1376 AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
1377 [--enable-terminfo],
1378 [Query the terminfo database if available (default is YES)]),
1379 [case "$enableval" in
1380 yes) llvm_cv_enable_terminfo="yes" ;;
1381 no) llvm_cv_enable_terminfo="no" ;;
1382 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
1384 llvm_cv_enable_terminfo="yes")
1385 case "$llvm_cv_enable_terminfo" in
1386 yes) AC_SUBST(ENABLE_TERMINFO,[1]) ;;
1387 no) AC_SUBST(ENABLE_TERMINFO,[0]) ;;
1390 dnl --enable-libedit: check whether the user wants to turn off libedit.
1391 AC_ARG_ENABLE(libedit,AS_HELP_STRING(
1393 [Use libedit if available (default is YES)]),
1394 [case "$enableval" in
1395 yes) llvm_cv_enable_libedit="yes" ;;
1396 no) llvm_cv_enable_libedit="no" ;;
1397 *) AC_MSG_ERROR([Invalid setting for --enable-libedit. Use "yes" or "no"]) ;;
1399 llvm_cv_enable_libedit="yes")
1401 dnl --enable-libffi : check whether the user wants to turn off libffi:
1402 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1403 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1404 [case "$enableval" in
1405 yes) llvm_cv_enable_libffi="yes" ;;
1406 no) llvm_cv_enable_libffi="no" ;;
1407 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1409 llvm_cv_enable_libffi=no)
1411 AC_ARG_WITH(internal-prefix,
1412 AS_HELP_STRING([--with-internal-prefix],
1413 [Installation directory for internal files]),,
1415 AC_SUBST(INTERNAL_PREFIX,[$withval])
1417 dnl===-----------------------------------------------------------------------===
1419 dnl=== SECTION 4: Check for programs we need and that they are the right version
1421 dnl===-----------------------------------------------------------------------===
1423 dnl Check for the tools that the makefiles require
1426 AC_PATH_PROG(NM, [nm], [nm])
1427 AC_PATH_PROG(CMP, [cmp], [cmp])
1428 AC_PATH_PROG(CP, [cp], [cp])
1429 AC_PATH_PROG(DATE, [date], [date])
1430 AC_PATH_PROG(FIND, [find], [find])
1431 AC_PATH_PROG(GREP, [grep], [grep])
1432 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1433 AC_PATH_PROG(MV, [mv], [mv])
1435 AC_CHECK_TOOL(AR, ar, false)
1436 AC_PATH_PROG(RM, [rm], [rm])
1437 AC_PATH_PROG(SED, [sed], [sed])
1438 AC_PATH_PROG(TAR, [tar], [gtar])
1439 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1441 dnl Looking for misc. graph plotting software
1442 AC_PATH_PROG(DOT, [dot], [echo dot])
1443 if test "$DOT" != "echo dot" ; then
1444 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1445 dnl If we're targeting for mingw we should emit windows paths, not msys
1446 if test "$llvm_cv_os_type" = "MingW" ; then
1447 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1449 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1450 [Define to path to dot program if found or 'echo dot' otherwise])
1453 dnl Find the install program
1455 dnl Prepend src dir to install path dir if it's a relative path
1456 dnl This is a hack for installs that take place in something other
1457 dnl than the top level.
1459 [[\\/$]]* | ?:[[\\/]]* ) ;;
1460 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1463 dnl Checks for documentation and testing tools that we can do without. If these
1464 dnl are not found then they are set to "true" which always succeeds but does
1465 dnl nothing. This just lets the build output show that we could have done
1466 dnl something if the tool was available.
1467 AC_PATH_PROG(BZIP2, [bzip2])
1468 AC_PATH_PROG(CAT, [cat])
1469 AC_PATH_PROG(DOXYGEN, [doxygen])
1470 AC_PATH_PROG(GROFF, [groff])
1471 AC_PATH_PROG(GZIPBIN, [gzip])
1472 AC_PATH_PROG(PDFROFF, [pdfroff])
1473 AC_PATH_PROG(ZIP, [zip])
1474 AC_PATH_PROG(GO, [go])
1475 AC_PATH_PROGS(OCAMLFIND, [ocamlfind])
1476 AC_PATH_PROGS(GAS, [gas as])
1478 dnl Get the version of the linker in use.
1481 dnl Determine whether the linker supports the -R option.
1484 dnl Determine whether the compiler supports the -rdynamic option.
1485 AC_LINK_EXPORT_DYNAMIC
1487 dnl Determine whether the linker supports the --version-script option.
1488 AC_LINK_VERSION_SCRIPT
1490 AC_CHECK_HEADERS([errno.h])
1492 case "$llvm_cv_os_type" in
1493 Cygwin|MingW|Win32) llvm_shlib_ext=.dll ;;
1494 Darwin) llvm_shlib_ext=.dylib ;;
1495 *) llvm_shlib_ext=.so ;;
1498 AC_DEFINE_UNQUOTED([LTDL_SHLIB_EXT], ["$llvm_shlib_ext"], [The shared library extension])
1500 AC_MSG_CHECKING([tool compatibility])
1502 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1503 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1504 dnl to support those options.
1505 dnl "icc" emits gcc signatures
1506 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1518 if test "$GCC" != "yes" && test "$ICC" != "yes"
1520 AC_MSG_ERROR([gcc|icc required but not found])
1523 dnl Ensure that compilation tools are compatible with GCC extensions
1524 if test "$GXX" != "yes" && test "$IXX" != "yes"
1526 AC_MSG_ERROR([g++|clang++|icc required but not found])
1529 dnl Verify that GCC is version 3.0 or higher
1530 if test "$GCC" = "yes"
1535 #if !defined(__GNUC__) || __GNUC__ < 3
1536 #error Unsupported GCC version
1540 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1543 dnl Check for GNU Make. We use its extensions, so don't build without it
1544 if test -z "$llvm_cv_gnu_make_command"
1546 AC_MSG_ERROR([GNU Make required but not found])
1549 dnl Tool compatibility is okay if we make it here.
1552 dnl Check optional compiler flags.
1553 AC_MSG_CHECKING([optional compiler flags])
1554 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1555 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1556 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1558 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1559 dnl false positives, so disable it.
1561 NO_MAYBE_UNINITIALIZED=
1562 if test "$GXX" = "yes"
1564 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1565 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1566 dnl known to be uninitialized from cases which might be uninitialized. We
1567 dnl still want to catch the first kind of errors.
1568 if test -z "$NO_MAYBE_UNINITIALIZED"
1570 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1574 dnl Check for misbehaving -Wcomment (gcc-4.7 has this) and maybe add
1575 dnl -Wno-comment to the flags.
1577 llvm_cv_old_cxxflags="$CXXFLAGS"
1578 CXXFLAGS="$CXXFLAGS -Wcomment -Werror"
1581 AC_LANG_SOURCE([[// Comment \o\
1583 int main() { return 0; }
1587 no_comment=-Wno-comment
1590 AC_SUBST(NO_COMMENT, [$no_comment])
1591 CXXFLAGS="$llvm_cv_old_cxxflags"
1593 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED $NO_COMMENT])
1595 AC_ARG_WITH([python],
1596 [AS_HELP_STRING([--with-python], [path to python])],
1597 [PYTHON="$withval"])
1599 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1600 AC_MSG_CHECKING([for python])
1601 AC_MSG_RESULT([user defined: $with_python])
1603 if test -n "$PYTHON" ; then
1604 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1607 AC_PATH_PROG([PYTHON], [python python2 python27],
1608 [AC_MSG_RESULT([not found])
1609 AC_MSG_ERROR([could not find python 2.7 or higher])])
1612 AC_MSG_CHECKING([for python >= 2.7])
1613 ac_python_version=`$PYTHON -V 2>&1 | cut -d' ' -f2`
1614 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1615 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1616 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1617 if test "$ac_python_version_major" -gt "2" || \
1618 (test "$ac_python_version_major" -eq "2" && \
1619 test "$ac_python_version_minor" -ge "7") ; then
1620 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1622 AC_MSG_RESULT([not found])
1623 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.7])
1626 dnl===-----------------------------------------------------------------------===
1628 dnl=== SECTION 5: Check for libraries
1630 dnl===-----------------------------------------------------------------------===
1633 if test "$llvm_cv_os_type" = "MingW" ; then
1634 AC_CHECK_LIB(imagehlp, main)
1635 AC_CHECK_LIB(ole32, main)
1636 AC_CHECK_LIB(psapi, main)
1637 AC_CHECK_LIB(shell32, main)
1640 dnl dlopen() is required for plugin support.
1641 AC_SEARCH_LIBS(dlopen,dl,LLVM_DEFINE_SUBST([HAVE_DLOPEN],[1],
1642 [Define if dlopen() is available on this platform.]),
1643 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1645 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1646 dnl macros to detect whether clock_gettime is available, this just finds the
1647 dnl right libraries to link with.
1648 AC_SEARCH_LIBS(clock_gettime,rt)
1650 dnl The curses library is optional; used for querying terminal info
1651 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1652 dnl We need the has_color functionality in curses for it to be useful.
1653 AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw,
1654 LLVM_DEFINE_SUBST([HAVE_TERMINFO],[1],
1655 [Define if the setupterm() function is supported this platform.]))
1658 dnl The libedit library is optional; used by lib/LineEditor
1659 if test "$llvm_cv_enable_libedit" = "yes" ; then
1660 AC_SEARCH_LIBS(el_init,edit,
1661 AC_DEFINE([HAVE_LIBEDIT],[1],
1662 [Define if libedit is available on this platform.]))
1665 dnl libffi is optional; used to call external functions from the interpreter
1666 if test "$llvm_cv_enable_libffi" = "yes" ; then
1667 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1668 [Define if libffi is available on this platform.]),
1669 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1672 dnl mallinfo is optional; the code can compile (minus features) without it
1673 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1674 [Define if mallinfo() is available on this platform.]))
1676 dnl pthread locking functions are optional - but llvm will not be thread-safe
1678 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1679 AC_CHECK_LIB(pthread, pthread_mutex_init)
1680 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1681 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1682 [Have pthread_mutex_lock]))
1683 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1684 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1685 [Have pthread_rwlock_init]))
1686 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1687 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1688 [Have pthread_getspecific]))
1691 dnl zlib is optional; used for compression/uncompression
1692 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1693 AC_CHECK_LIB(z, compress2)
1696 dnl Allow OProfile support for JIT output.
1697 AC_ARG_WITH(oprofile,
1698 AS_HELP_STRING([--with-oprofile=<prefix>],
1699 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1701 AC_SUBST(USE_OPROFILE, [1])
1703 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1705 AC_SUBST(USE_OPROFILE, [0]) ;;
1706 *) llvm_cv_oppath="${withval}/lib/oprofile"
1707 CPPFLAGS="-I${withval}/include";;
1709 case $llvm_cv_os_type in
1711 if test -n "$llvm_cv_oppath" ; then
1712 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1713 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1714 dnl libbfd is not included properly in libopagent in some Debian
1715 dnl versions. If libbfd isn't found at all, we assume opagent works
1717 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1718 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1719 echo "Error! You need to have libopagent around."
1722 AC_CHECK_HEADER([opagent.h], [], [
1723 echo "Error! You need to have opagent.h around."
1728 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1732 AC_SUBST(USE_OPROFILE, [0])
1734 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1735 [Define if we have the oprofile JIT-support library])
1737 dnl Enable support for Intel JIT Events API.
1738 AC_ARG_WITH(intel-jitevents,
1739 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1742 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1743 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1744 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1747 case $llvm_cv_os_type in
1748 Linux|Win32|Cygwin|MingW) ;;
1749 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1752 case "$llvm_cv_target_arch" in
1754 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1758 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1760 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1761 [Define if we have the Intel JIT API runtime support library])
1763 dnl Check for libxml2
1764 dnl Right now we're just checking for the existence, we could also check for a
1765 dnl particular version via --version on xml2-config
1766 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1768 AC_MSG_CHECKING(for libxml2 includes)
1769 if test "x$XML2CONFIG" = "x"; then
1770 AC_MSG_RESULT(xml2-config not found)
1772 LIBXML2_INC=`$XML2CONFIG --cflags`
1773 AC_MSG_RESULT($LIBXML2_INC)
1774 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1775 LIBXML2_LIBS="-lxml2"])
1777 AC_SUBST(LIBXML2_LIBS)
1778 AC_SUBST(LIBXML2_INC)
1780 dnl===-----------------------------------------------------------------------===
1782 dnl=== SECTION 6: Check for header files
1784 dnl===-----------------------------------------------------------------------===
1786 dnl First, use autoconf provided macros for specific headers that we need
1787 dnl We don't check for ancient stuff or things that are guaranteed to be there
1788 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1789 dnl Generally we're looking for POSIX headers.
1791 AC_HEADER_MMAP_ANONYMOUS
1797 dnl size_t must be defined before including cxxabi.h on FreeBSD 10.0.
1798 AC_CHECK_HEADERS([cxxabi.h], [], [],
1799 [#include <stddef.h>
1803 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h])
1804 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1805 AC_CHECK_HEADERS([utime.h])
1806 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1807 AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h])
1808 AC_CHECK_HEADERS([valgrind/valgrind.h])
1809 AC_CHECK_HEADERS([fenv.h])
1810 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1811 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1812 AC_CHECK_HEADERS(pthread.h,
1813 AC_SUBST(HAVE_PTHREAD, 1),
1814 AC_SUBST(HAVE_PTHREAD, 0))
1816 AC_SUBST(HAVE_PTHREAD, 0)
1818 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1819 AC_CHECK_HEADERS(zlib.h,
1820 AC_SUBST(HAVE_LIBZ, 1),
1821 AC_SUBST(HAVE_LIBZ, 0))
1823 AC_SUBST(HAVE_LIBZ, 0)
1826 dnl Try to find ffi.h.
1827 if test "$llvm_cv_enable_libffi" = "yes" ; then
1828 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1831 dnl Try to find Darwin specific crash reporting libraries.
1832 AC_CHECK_HEADERS([CrashReporterClient.h])
1834 dnl Try to find Darwin specific crash reporting global.
1835 AC_MSG_CHECKING([__crashreporter_info__])
1839 extern const char *__crashreporter_info__;
1841 __crashreporter_info__ = "test";
1847 AC_MSG_RESULT([yes])
1848 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1852 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1855 dnl===-----------------------------------------------------------------------===
1857 dnl=== SECTION 7: Check for types and structures
1859 dnl===-----------------------------------------------------------------------===
1864 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1866 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1867 AC_CHECK_TYPES([uint64_t],,
1868 AC_CHECK_TYPES([u_int64_t],,
1869 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1871 dnl===-----------------------------------------------------------------------===
1873 dnl=== SECTION 8: Check for specific functions needed
1875 dnl===-----------------------------------------------------------------------===
1877 AC_CHECK_FUNCS([backtrace getcwd ])
1878 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1879 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1880 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ])
1881 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1882 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1883 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1884 AC_CHECK_FUNCS([futimes futimens])
1888 dnl Check for arc4random accessible via AC_INCLUDES_DEFAULT.
1889 AC_CHECK_DECLS([arc4random])
1891 dnl Check the declaration "Secure API" on Windows environments.
1892 AC_CHECK_DECLS([strerror_s])
1894 dnl Check symbols in libgcc.a for JIT on Mingw.
1895 if test "$llvm_cv_os_type" = "MingW" ; then
1896 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1897 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
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]))
1900 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1901 AC_CHECK_LIB(gcc,___chkstk_ms,AC_DEFINE([HAVE____CHKSTK_MS],[1],[Have host's ___chkstk_ms]))
1903 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1904 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1905 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1906 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1907 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1908 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1909 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1910 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1911 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1912 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1914 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1915 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1918 dnl Check Win32 API EnumerateLoadedModules.
1919 if test "$llvm_cv_os_type" = "MingW" ; then
1920 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1924 #include <windows.h>
1925 #include <imagehlp.h>
1926 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1927 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1931 AC_MSG_RESULT([yes])
1932 llvm_cv_win32_elmcb_pcstr="PCSTR"
1936 llvm_cv_win32_elmcb_pcstr="PSTR"
1938 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1941 dnl Check for mmap support.We also need to know if /dev/zero is required to
1942 dnl be opened for allocating RWX memory.
1943 dnl Make sure we aren't attempting to configure for an unknown system
1944 if test "$llvm_cv_platform_type" = "Unix" ; then
1947 AC_NEED_DEV_ZERO_FOR_MMAP
1949 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1951 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1953 if test "$ac_cv_func_mmap_file" = "no"
1955 AC_MSG_WARN([mmap() of files required but not found])
1959 dnl atomic builtins are required for threading support.
1960 AC_MSG_CHECKING(for GCC atomic builtins)
1961 dnl Since we'll be using these atomic builtins in C++ files we should test
1962 dnl the C++ compiler.
1968 volatile unsigned long val = 1;
1969 __sync_synchronize();
1970 __sync_val_compare_and_swap(&val, 1, 0);
1971 __sync_add_and_fetch(&val, 1);
1972 __sync_sub_and_fetch(&val, 1);
1978 AC_MSG_RESULT([yes])
1979 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1983 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1984 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1988 dnl===-----------------------------------------------------------------------===
1990 dnl=== SECTION 9: Additional checks, variables, etc.
1992 dnl===-----------------------------------------------------------------------===
1994 dnl Handle 32-bit linux systems running a 64-bit kernel.
1995 dnl This has to come after section 4 because it invokes the compiler.
1996 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1998 if test "$llvm_cv_linux_mixed" = "yes"; then
1999 llvm_cv_target_arch="x86"
2004 dnl Check whether __dso_handle is present
2005 AC_CHECK_FUNCS([__dso_handle])
2007 dnl Propagate the shared library extension that the libltdl checks did to
2008 dnl the Makefiles so we can use it there too
2009 AC_SUBST(SHLIBEXT,$llvm_shlib_ext)
2011 dnl Translate the various configuration directories and other basic
2012 dnl information into substitutions that will end up in Makefile.config.in
2013 dnl that these configured values can be used by the makefiles
2014 if test "${prefix}" = "NONE" ; then
2017 eval LLVM_PREFIX="${prefix}";
2018 eval LLVM_BINDIR="${prefix}/bin";
2019 eval LLVM_DATADIR="${prefix}/share/llvm";
2020 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
2021 eval LLVM_ETCDIR="${prefix}/etc/llvm";
2022 eval LLVM_INCLUDEDIR="${prefix}/include";
2023 eval LLVM_INFODIR="${prefix}/info";
2024 eval LLVM_MANDIR="${prefix}/man";
2025 LLVM_CONFIGTIME=`date`
2026 AC_SUBST(LLVM_PREFIX)
2027 AC_SUBST(LLVM_BINDIR)
2028 AC_SUBST(LLVM_DATADIR)
2029 AC_SUBST(LLVM_DOCSDIR)
2030 AC_SUBST(LLVM_ETCDIR)
2031 AC_SUBST(LLVM_INCLUDEDIR)
2032 AC_SUBST(LLVM_INFODIR)
2033 AC_SUBST(LLVM_MANDIR)
2034 AC_SUBST(LLVM_CONFIGTIME)
2036 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
2037 if test "${ENABLE_TIMESTAMPS}" = "0"; then
2038 LLVM_CONFIGTIME="(timestamp not enabled)"
2041 dnl Place the various directories into the config.h file as #defines so that we
2042 dnl can know about the installation paths within LLVM.
2043 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
2044 [Installation prefix directory])
2045 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
2046 [Installation directory for binary executables])
2047 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
2048 [Installation directory for data files])
2049 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
2050 [Installation directory for documentation])
2051 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
2052 [Installation directory for config files])
2053 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
2054 [Installation directory for include files])
2055 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
2056 [Installation directory for .info files])
2057 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
2058 [Installation directory for man pages])
2059 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
2060 [Time at which LLVM was configured])
2061 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
2062 [Host triple LLVM will be executed on])
2063 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
2064 [Target triple LLVM will generate code for by default])
2066 dnl Determine which bindings to build.
2067 if test "$BINDINGS_TO_BUILD" = auto ; then
2068 BINDINGS_TO_BUILD=""
2069 if test "x$OCAMLFIND" != x ; then
2070 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
2072 if test "x$GO" != x ; then
2073 if $GO run ${srcdir}/bindings/go/conftest.go ; then
2074 BINDINGS_TO_BUILD="go $BINDINGS_TO_BUILD"
2078 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
2080 dnl Do any work necessary to ensure that bindings have what they need.
2081 binding_prereqs_failed=0
2082 for a_binding in $BINDINGS_TO_BUILD ; do
2083 case "$a_binding" in
2085 if test "x$OCAMLFIND" = x ; then
2086 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlfind not found. Try configure OCAMLFIND=/path/to/ocamlfind])
2087 binding_prereqs_failed=1
2090 if $OCAMLFIND opt -version >/dev/null 2>/dev/null ; then
2095 AC_SUBST(HAVE_OCAMLOPT)
2097 if ! $OCAMLFIND query ctypes >/dev/null 2>/dev/null; then
2098 AC_MSG_WARN([--enable-bindings=ocaml specified, but ctypes is not installed])
2099 binding_prereqs_failed=1
2102 if $OCAMLFIND query oUnit >/dev/null 2>/dev/null; then
2106 AC_MSG_WARN([--enable-bindings=ocaml specified, but OUnit 2 is not installed. Tests will not run])
2107 dnl oUnit is optional!
2109 AC_SUBST(HAVE_OCAML_OUNIT)
2111 if test "x$with_ocaml_libdir" != xauto ; then
2112 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
2114 ocaml_stdlib="`"$OCAMLFIND" ocamlc -where`"
2115 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
2117 # ocaml stdlib is beneath our prefix; use stdlib
2118 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
2120 # ocaml stdlib is outside our prefix; use libdir/ocaml
2121 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
2126 if test "x$GO" = x ; then
2127 AC_MSG_WARN([--enable-bindings=go specified, but go not found. Try configure GO=/path/to/go])
2128 binding_prereqs_failed=1
2130 if $GO run ${srcdir}/bindings/go/conftest.go ; then
2133 AC_MSG_WARN([--enable-bindings=go specified, but need at least Go 1.2. Try configure GO=/path/to/go])
2134 binding_prereqs_failed=1
2140 if test "$binding_prereqs_failed" = 1 ; then
2141 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
2144 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
2145 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
2147 dnl Determine linker rpath flag
2148 if test "$llvm_cv_link_use_r" = "yes" ; then
2155 dnl Determine linker rdynamic flag
2156 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
2157 RDYNAMIC="-rdynamic"
2163 dnl===-----------------------------------------------------------------------===
2165 dnl=== SECTION 10: Specify the output files and generate it
2167 dnl===-----------------------------------------------------------------------===
2169 dnl Configure header files
2170 dnl WARNING: dnl If you add or remove any of the following config headers, then
2171 dnl you MUST also update Makefile so that the variable FilesToConfig
2172 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
2173 dnl files can be updated automatically when their *.in sources change.
2174 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
2175 AH_TOP([#ifndef CONFIG_H
2178 /* Exported configuration */
2179 #include "llvm/Config/llvm-config.h"])
2182 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
2183 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
2184 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
2185 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
2186 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
2188 dnl Configure the makefile's configuration data
2189 AC_CONFIG_FILES([Makefile.config])
2191 dnl Configure the RPM spec file for LLVM
2192 AC_CONFIG_FILES([llvm.spec])
2194 dnl Configure doxygen's configuration file
2195 AC_CONFIG_FILES([docs/doxygen.cfg])
2197 dnl Configure clang, if present
2198 if test "${clang_src_root}" = ""; then
2199 clang_src_root="$srcdir/tools/clang"
2201 if test -f ${clang_src_root}/README.txt; then
2202 dnl Clang supports build systems which use the multilib libdir suffix.
2203 dnl The autoconf system doesn't support this so stub out that variable.
2204 AC_DEFINE_UNQUOTED(CLANG_LIBDIR_SUFFIX,"",
2205 [Multilib suffix for libdir.])
2207 dnl Use variables to stay under 80 columns.
2208 configh="include/clang/Config/config.h"
2209 doxy="docs/doxygen.cfg"
2210 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
2211 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
2214 dnl OCaml findlib META file
2215 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
2217 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
2218 test "x$program_prefix" = "xNONE" && program_prefix=""
2219 AC_SUBST([program_prefix])
2222 dnl Do special configuration of Makefiles
2223 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
2224 AC_CONFIG_MAKEFILE(Makefile)
2225 AC_CONFIG_MAKEFILE(Makefile.common)
2226 AC_CONFIG_MAKEFILE(examples/Makefile)
2227 AC_CONFIG_MAKEFILE(lib/Makefile)
2228 AC_CONFIG_MAKEFILE(test/Makefile)
2229 AC_CONFIG_MAKEFILE(test/Makefile.tests)
2230 AC_CONFIG_MAKEFILE(unittests/Makefile)
2231 AC_CONFIG_MAKEFILE(tools/Makefile)
2232 AC_CONFIG_MAKEFILE(utils/Makefile)
2233 AC_CONFIG_MAKEFILE(projects/Makefile)
2234 AC_CONFIG_MAKEFILE(bindings/Makefile)
2235 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
2237 dnl Finally, crank out the output