1 dnl === configure.ac --------------------------------------------------------===
2 dnl The LLVM Compiler Infrastructure
4 dnl This file is distributed under the University of Illinois Open Source
5 dnl License. See LICENSE.TXT for details.
7 dnl===-----------------------------------------------------------------------===
8 dnl This is the LLVM configuration script. It is processed by the autoconf
9 dnl program to produce a script named configure. This script contains the
10 dnl configuration checks that LLVM needs in order to support multiple platforms.
11 dnl This file is composed of 10 sections per the recommended organization of
12 dnl autoconf input defined in the autoconf documentation. As this file evolves,
13 dnl please keep the various types of checks within their sections. The sections
16 dnl SECTION 1: Initialization & Setup
17 dnl SECTION 2: Architecture, target, and host checks
18 dnl SECTION 3: Command line arguments for the configure script.
19 dnl SECTION 4: Check for programs we need and that they are the right version
20 dnl SECTION 5: Check for libraries
21 dnl SECTION 6: Check for header files
22 dnl SECTION 7: Check for types and structures
23 dnl SECTION 8: Check for specific functions needed
24 dnl SECTION 9: Additional checks, variables, etc.
25 dnl SECTION 10: Specify the output files and generate it
27 dnl===-----------------------------------------------------------------------===
29 dnl=== SECTION 1: Initialization & Setup
31 dnl===-----------------------------------------------------------------------===
32 dnl Initialize autoconf and define the package name, version number and
33 dnl address for reporting bugs.
34 AC_INIT([LLVM],[3.3svn],[http://llvm.org/bugs/])
35 AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API])
36 AC_DEFINE([LLVM_VERSION_MINOR], [3], [Minor version of the LLVM API])
38 dnl Provide a copyright substitution and ensure the copyright notice is included
39 dnl in the output of --version option of the generated configure script.
40 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2013 University of Illinois at Urbana-Champaign."])
41 AC_COPYRIGHT([Copyright (c) 2003-2013 University of Illinois at Urbana-Champaign.])
43 dnl Indicate that we require autoconf 2.60 or later.
46 dnl Verify that the source directory is valid. This makes sure that we are
47 dnl configuring LLVM and not some other package (it validates --srcdir argument)
48 AC_CONFIG_SRCDIR([lib/IR/Module.cpp])
50 dnl Place all of the extra autoconf files into the config subdirectory. Tell
51 dnl various tools where the m4 autoconf macros are.
52 AC_CONFIG_AUX_DIR([autoconf])
54 dnl Quit if the source directory has already been configured.
55 dnl NOTE: This relies upon undocumented autoconf behavior.
56 if test ${srcdir} != "." ; then
57 if test -f ${srcdir}/include/llvm/Config/config.h ; then
58 AC_MSG_ERROR([Already configured in ${srcdir}])
62 dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS,
63 dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc).
67 dnl We need to check for the compiler up here to avoid anything else
68 dnl starting with a different one.
69 AC_PROG_CC(clang llvm-gcc gcc)
70 AC_PROG_CXX(clang++ llvm-g++ g++)
73 dnl If CXX is Clang, check that it can find and parse C++ standard library
75 if test "$CXX" = "clang++" ; then
76 AC_MSG_CHECKING([whether clang works])
78 dnl Note that space between 'include' and '(' is required. There's a broken
79 dnl regex in aclocal that otherwise will think that we call m4's include
81 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <limits>
82 #if __has_include (<cxxabi.h>)
85 #if __has_include (<unwind.h>)
94 AC_MSG_ERROR([Selected compiler could not find or parse C++ standard library headers. Rerun with CC=c-compiler CXX=c++-compiler ./configure ...])
99 dnl Configure all of the projects present in our source tree. While we could
100 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
101 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
102 dnl Instead we match on the known projects.
105 dnl One tricky part of doing this is that some projects depend upon other
106 dnl projects. For example, several projects rely upon the LLVM test suite.
107 dnl We want to configure those projects first so that their object trees are
108 dnl created before running the configure scripts of projects that depend upon
112 dnl Several projects use llvm-gcc, so configure that first
113 if test -d ${srcdir}/projects/llvm-gcc ; then
114 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
117 dnl Several projects use the LLVM test suite, so configure it next.
118 if test -d ${srcdir}/projects/test-suite ; then
119 AC_CONFIG_SUBDIRS([projects/test-suite])
122 dnl llvm-test is the old name of the test-suite, kept here for backwards
124 if test -d ${srcdir}/projects/llvm-test ; then
125 AC_CONFIG_SUBDIRS([projects/llvm-test])
128 dnl Some projects use poolalloc; configure that next
129 if test -d ${srcdir}/projects/poolalloc ; then
130 AC_CONFIG_SUBDIRS([projects/poolalloc])
133 if test -d ${srcdir}/projects/llvm-poolalloc ; then
134 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
137 dnl Check for all other projects
138 for i in `ls ${srcdir}/projects`
140 if test -d ${srcdir}/projects/${i} ; then
142 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
143 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
144 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
145 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
146 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
147 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
148 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
149 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
157 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
163 dnl Disable the build of polly, even if it is checked out into tools/polly.
165 AS_HELP_STRING([--enable-polly],
166 [Use polly if available (default is YES)]),,
169 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
170 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
171 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
172 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
176 dnl Check if polly is checked out into tools/polly and configure it if
178 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
179 AC_SUBST(LLVM_HAS_POLLY,1)
180 AC_CONFIG_SUBDIRS([tools/polly])
183 dnl===-----------------------------------------------------------------------===
185 dnl=== SECTION 2: Architecture, target, and host checks
187 dnl===-----------------------------------------------------------------------===
189 dnl Check the target for which we're compiling and the host that will do the
190 dnl compilations. This will tell us which LLVM compiler will be used for
191 dnl compiling SSA into object code. This needs to be done early because
192 dnl following tests depend on it.
195 dnl Determine the platform type and cache its value. This helps us configure
196 dnl the System library to the correct build platform.
197 AC_CACHE_CHECK([type of operating system we're going to host on],
201 llvm_cv_link_all_option="-Wl,--whole-archive"
202 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
203 llvm_cv_os_type="AIX"
204 llvm_cv_platform_type="Unix" ;;
206 llvm_cv_link_all_option="-Wl,--whole-archive"
207 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
208 llvm_cv_os_type="IRIX"
209 llvm_cv_platform_type="Unix" ;;
211 llvm_cv_link_all_option="-Wl,--whole-archive"
212 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
213 llvm_cv_os_type="Cygwin"
214 llvm_cv_platform_type="Unix" ;;
216 llvm_cv_link_all_option="-Wl,-all_load"
217 llvm_cv_no_link_all_option="-Wl,-noall_load"
218 llvm_cv_os_type="Darwin"
219 llvm_cv_platform_type="Unix" ;;
221 llvm_cv_link_all_option="-Wl,-all_load"
222 llvm_cv_no_link_all_option="-Wl,-noall_load"
223 llvm_cv_os_type="Minix"
224 llvm_cv_platform_type="Unix" ;;
225 *-*-freebsd* | *-*-kfreebsd-gnu)
226 llvm_cv_link_all_option="-Wl,--whole-archive"
227 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
228 llvm_cv_os_type="FreeBSD"
229 llvm_cv_platform_type="Unix" ;;
231 llvm_cv_link_all_option="-Wl,--whole-archive"
232 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
233 llvm_cv_os_type="OpenBSD"
234 llvm_cv_platform_type="Unix" ;;
236 llvm_cv_link_all_option="-Wl,--whole-archive"
237 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
238 llvm_cv_os_type="NetBSD"
239 llvm_cv_platform_type="Unix" ;;
241 llvm_cv_link_all_option="-Wl,--whole-archive"
242 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
243 llvm_cv_os_type="DragonFly"
244 llvm_cv_platform_type="Unix" ;;
246 llvm_cv_link_all_option="-Wl,--whole-archive"
247 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
248 llvm_cv_os_type="HP-UX"
249 llvm_cv_platform_type="Unix" ;;
251 llvm_cv_link_all_option="-Wl,--whole-archive"
252 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
253 llvm_cv_os_type="Interix"
254 llvm_cv_platform_type="Unix" ;;
256 llvm_cv_link_all_option="-Wl,--whole-archive"
257 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
258 llvm_cv_os_type="Linux"
259 llvm_cv_platform_type="Unix" ;;
261 llvm_cv_link_all_option="-Wl,--whole-archive"
262 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
263 llvm_cv_os_type="GNU"
264 llvm_cv_platform_type="Unix" ;;
266 llvm_cv_link_all_option="-Wl,-z,allextract"
267 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
268 llvm_cv_os_type="SunOS"
269 llvm_cv_platform_type="Unix" ;;
271 llvm_cv_link_all_option="-Wl,-z,allextract"
272 llvm_cv_link_all_option="-Wl,-z,defaultextract"
273 llvm_cv_os_type="AuroraUX"
274 llvm_cv_platform_type="Unix" ;;
276 llvm_cv_link_all_option="-Wl,--whole-archive"
277 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
278 llvm_cv_os_type="Win32"
279 llvm_cv_platform_type="Win32" ;;
281 llvm_cv_link_all_option="-Wl,--whole-archive"
282 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
283 llvm_cv_os_type="MingW"
284 llvm_cv_platform_type="Win32" ;;
286 llvm_cv_link_all_option="-Wl,--whole-archive"
287 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
288 llvm_cv_os_type="Haiku"
289 llvm_cv_platform_type="Unix" ;;
291 llvm_cv_link_all_option="-Wl,--whole-archive"
292 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
293 llvm_cv_os_type="Freestanding"
294 llvm_cv_platform_type="Unix" ;;
296 llvm_cv_link_all_option="-Wl,--whole-archive"
297 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
298 llvm_cv_os_type="Freestanding"
299 llvm_cv_platform_type="Unix" ;;
301 llvm_cv_link_all_option=""
302 llvm_cv_no_link_all_option=""
303 llvm_cv_os_type="Unknown"
304 llvm_cv_platform_type="Unknown" ;;
307 AC_CACHE_CHECK([type of operating system we're going to target],
308 [llvm_cv_target_os_type],
311 llvm_cv_target_os_type="AIX" ;;
313 llvm_cv_target_os_type="IRIX" ;;
315 llvm_cv_target_os_type="Cygwin" ;;
317 llvm_cv_target_os_type="Darwin" ;;
319 llvm_cv_target_os_type="Minix" ;;
320 *-*-freebsd* | *-*-kfreebsd-gnu)
321 llvm_cv_target_os_type="FreeBSD" ;;
323 llvm_cv_target_os_type="OpenBSD" ;;
325 llvm_cv_target_os_type="NetBSD" ;;
327 llvm_cv_target_os_type="DragonFly" ;;
329 llvm_cv_target_os_type="HP-UX" ;;
331 llvm_cv_target_os_type="Interix" ;;
333 llvm_cv_target_os_type="Linux" ;;
335 llvm_cv_target_os_type="GNU" ;;
337 llvm_cv_target_os_type="SunOS" ;;
339 llvm_cv_target_os_type="AuroraUX" ;;
341 llvm_cv_target_os_type="Win32" ;;
343 llvm_cv_target_os_type="MingW" ;;
345 llvm_cv_target_os_type="Haiku" ;;
347 llvm_cv_target_os_type="RTEMS" ;;
349 llvm_cv_target_os_type="NativeClient" ;;
351 llvm_cv_target_os_type="Freestanding" ;;
353 llvm_cv_target_os_type="Unknown" ;;
356 dnl Make sure we aren't attempting to configure for an unknown system
357 if test "$llvm_cv_os_type" = "Unknown" ; then
358 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
361 dnl Set the "OS" Makefile variable based on the platform type so the
362 dnl makefile can configure itself to specific build hosts
363 AC_SUBST(OS,$llvm_cv_os_type)
364 AC_SUBST(HOST_OS,$llvm_cv_os_type)
365 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
367 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
368 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
369 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
371 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
372 dnl This is used by lib/Support to determine the basic kind of implementation
374 case $llvm_cv_platform_type in
376 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
377 AC_SUBST(LLVM_ON_UNIX,[1])
378 AC_SUBST(LLVM_ON_WIN32,[0])
381 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
382 AC_SUBST(LLVM_ON_UNIX,[0])
383 AC_SUBST(LLVM_ON_WIN32,[1])
387 dnl Determine what our target architecture is and configure accordingly.
388 dnl This will allow Makefiles to make a distinction between the hardware and
390 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
392 i?86-*) llvm_cv_target_arch="x86" ;;
393 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
394 sparc*-*) llvm_cv_target_arch="Sparc" ;;
395 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
396 arm*-*) llvm_cv_target_arch="ARM" ;;
397 aarch64*-*) llvm_cv_target_arch="AArch64" ;;
398 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
399 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
400 xcore-*) llvm_cv_target_arch="XCore" ;;
401 msp430-*) llvm_cv_target_arch="MSP430" ;;
402 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
403 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
404 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
405 *) llvm_cv_target_arch="Unknown" ;;
408 if test "$llvm_cv_target_arch" = "Unknown" ; then
409 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
412 dnl Determine the LLVM native architecture for the target
413 case "$llvm_cv_target_arch" in
414 x86) LLVM_NATIVE_ARCH="X86" ;;
415 x86_64) LLVM_NATIVE_ARCH="X86" ;;
416 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
419 dnl Define a substitution, ARCH, for the target architecture
420 AC_SUBST(ARCH,$llvm_cv_target_arch)
422 dnl Determine what our host architecture.
423 dnl This will allow MCJIT regress tests runs only for supported
426 i?86-*) host_arch="x86" ;;
427 amd64-* | x86_64-*) host_arch="x86_64" ;;
428 sparc*-*) host_arch="Sparc" ;;
429 powerpc*-*) host_arch="PowerPC" ;;
430 arm*-*) host_arch="ARM" ;;
431 aarch64*-*) host_arch="AArch64" ;;
432 mips-* | mips64-*) host_arch="Mips" ;;
433 mipsel-* | mips64el-*) host_arch="Mips" ;;
434 xcore-*) host_arch="XCore" ;;
435 msp430-*) host_arch="MSP430" ;;
436 hexagon-*) host_arch="Hexagon" ;;
437 mblaze-*) host_arch="MBlaze" ;;
438 *) host_arch="Unknown" ;;
441 if test "$host_arch" = "Unknown" ; then
442 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
445 AC_SUBST(HOST_ARCH,$host_arch)
447 dnl Check for the endianness of the target
448 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
450 dnl Check for build platform executable suffix if we're cross-compiling
451 if test "$cross_compiling" = yes; then
452 AC_SUBST(LLVM_CROSS_COMPILING, [1])
454 ac_build_prefix=${build_alias}-
455 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
456 if test -z "$BUILD_CXX"; then
457 AC_CHECK_PROG(BUILD_CXX, g++, g++)
458 if test -z "$BUILD_CXX"; then
459 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
463 AC_SUBST(LLVM_CROSS_COMPILING, [0])
466 dnl Check to see if there's a .svn or .git directory indicating that this
467 dnl build is being done from a checkout. This sets up several defaults for
468 dnl the command line switches. When we build with a checkout directory,
469 dnl we get a debug with assertions turned on. Without, we assume a source
470 dnl release and we get an optimized build without assertions.
471 dnl See --enable-optimized and --enable-assertions below
472 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
475 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
481 dnl===-----------------------------------------------------------------------===
483 dnl=== SECTION 3: Command line arguments for the configure script.
485 dnl===-----------------------------------------------------------------------===
487 dnl --enable-libcpp : check whether or not to use libc++ on the command line
488 AC_ARG_ENABLE(libcpp,
489 AS_HELP_STRING([--enable-libcpp],
490 [Use libc++ if available (default is NO)]),,
493 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
494 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
495 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
496 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
499 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
501 AS_HELP_STRING([--enable-cxx11],
502 [Use c++11 if available (default is NO)]),,
505 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
506 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
507 default) AC_SUBST(ENABLE_CXX11,[0]);;
508 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
511 dnl --enable-clang-arcmt: check whether to enable clang arcmt
513 AC_ARG_ENABLE(clang-arcmt,
514 AS_HELP_STRING([--enable-clang-arcmt],
515 [Enable building of clang ARCMT (default is YES)]),
516 clang_arcmt="$enableval",
519 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
520 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
521 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
522 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
525 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
526 clang_static_analyzer="yes"
527 AC_ARG_ENABLE(clang-static-analyzer,
528 AS_HELP_STRING([--enable-clang-static-analyzer],
529 [Enable building of clang Static Analyzer (default is YES)]),
530 clang_static_analyzer="$enableval",
533 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
534 no) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0]) ;;
535 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
536 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
539 dnl --enable-clang-rewriter: check whether to enable clang rewriter
540 AC_ARG_ENABLE(clang-rewriter,
541 AS_HELP_STRING([--enable-clang-rewriter],
542 [Enable building of clang rewriter (default is YES)]),,
545 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;;
547 if test ${clang_arcmt} != "no" ; then
548 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
550 if test ${clang_static_analyzer} != "no" ; then
551 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
553 AC_SUBST(ENABLE_CLANG_REWRITER,[0])
555 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
556 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
559 dnl --enable-optimized : check whether they want to do an optimized build:
560 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
561 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
562 if test ${enableval} = "no" ; then
563 AC_SUBST(ENABLE_OPTIMIZED,[[]])
565 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
568 dnl --enable-profiling : check whether they want to do a profile build:
569 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
570 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
571 if test ${enableval} = "no" ; then
572 AC_SUBST(ENABLE_PROFILING,[[]])
574 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
577 dnl --enable-assertions : check whether they want to turn on assertions or not:
578 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
579 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
580 if test ${enableval} = "yes" ; then
581 AC_SUBST(DISABLE_ASSERTIONS,[[]])
583 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
586 dnl --enable-werror : check whether we want Werror on by default
587 AC_ARG_ENABLE(werror,AS_HELP_STRING(
588 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
590 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
591 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
592 default) AC_SUBST(ENABLE_WERROR,[0]);;
593 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
596 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
597 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
598 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
599 if test ${enableval} = "yes" ; then
600 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
601 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
603 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
604 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
607 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
608 AC_ARG_ENABLE(debug-runtime,
609 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
610 if test ${enableval} = "no" ; then
611 AC_SUBST(DEBUG_RUNTIME,[[]])
613 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
616 dnl --enable-debug-symbols : should even optimized compiler libraries
617 dnl have debug symbols?
618 AC_ARG_ENABLE(debug-symbols,
619 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)
620 if test ${enableval} = "no" ; then
621 AC_SUBST(DEBUG_SYMBOLS,[[]])
623 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
626 dnl --enable-keep-symbols : do not strip installed executables
627 AC_ARG_ENABLE(keep-symbols,
628 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
629 if test ${enableval} = "no" ; then
630 AC_SUBST(KEEP_SYMBOLS,[[]])
632 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
635 dnl --enable-jit: check whether they want to enable the jit
637 AS_HELP_STRING(--enable-jit,
638 [Enable Just In Time Compiling (default is YES)]),,
640 if test ${enableval} = "no"
644 case "$llvm_cv_target_arch" in
645 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
646 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
647 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
648 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
649 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
650 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
651 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
652 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
653 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
654 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
655 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
656 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
657 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
661 dnl Allow enablement of building and installing docs
663 AS_HELP_STRING([--enable-docs],
664 [Build documents (default is YES)]),,
667 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
668 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
669 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
670 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
673 dnl Allow enablement of doxygen generated documentation
674 AC_ARG_ENABLE(doxygen,
675 AS_HELP_STRING([--enable-doxygen],
676 [Build doxygen documentation (default is NO)]),,
679 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
680 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
681 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
682 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
685 dnl Allow disablement of threads
686 AC_ARG_ENABLE(threads,
687 AS_HELP_STRING([--enable-threads],
688 [Use threads if available (default is YES)]),,
691 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
692 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
693 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
694 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
696 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
697 [Define if threads enabled])
699 dnl Allow disablement of pthread.h
700 AC_ARG_ENABLE(pthreads,
701 AS_HELP_STRING([--enable-pthreads],
702 [Use pthreads if available (default is YES)]),,
705 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
706 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
707 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
708 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
711 dnl Allow disablement of zlib
713 AS_HELP_STRING([--enable-zlib],
714 [Use zlib for compression/decompression if
715 available (default is YES)]),,
718 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
719 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
720 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
721 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
723 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
724 [Define if zlib is enabled])
726 dnl Allow building without position independent code
728 AS_HELP_STRING([--enable-pic],
729 [Build LLVM with Position Independent Code (default is YES)]),,
732 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
733 no) AC_SUBST(ENABLE_PIC,[0]) ;;
734 default) AC_SUBST(ENABLE_PIC,[1]) ;;
735 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
737 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
738 [Define if position independent code is enabled])
740 dnl Allow building a shared library and linking tools against it.
741 AC_ARG_ENABLE(shared,
742 AS_HELP_STRING([--enable-shared],
743 [Build a shared library and link tools against it (default is NO)]),,
746 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
747 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
748 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
749 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
752 dnl Allow libstdc++ is embedded in LLVM.dll.
753 AC_ARG_ENABLE(embed-stdcxx,
754 AS_HELP_STRING([--enable-embed-stdcxx],
755 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
758 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
759 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
760 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
761 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
764 dnl Enable embedding timestamp information into build.
765 AC_ARG_ENABLE(timestamps,
766 AS_HELP_STRING([--enable-timestamps],
767 [Enable embedding timestamp information in build (default is YES)]),,
770 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
771 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
772 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
773 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
775 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
776 [Define if timestamp information (e.g., __DATE__) is allowed])
778 dnl Enable embedding timestamp information into build.
780 AC_ARG_ENABLE(backtraces,
781 AS_HELP_STRING([--enable-backtraces],
782 [Enable embedding backtraces on crash (default is YES)]),,
785 yes) AC_SUBST(ENABLE_BACKTRACES,[1]) ;;
786 no) AC_SUBST(ENABLE_BACKTRACES,[0]) ;;
787 default) AC_SUBST(ENABLE_BACKTRACES,[1]) ;;
788 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
790 AC_DEFINE_UNQUOTED([ENABLE_BACKTRACES],$ENABLE_BACKTRACES,
791 [Define if you want backtraces on crash])
793 dnl Allow specific targets to be specified for building (or not)
795 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
796 [Build specific host targets: all or target1,target2,... Valid targets are:
797 host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon,
798 xcore, msp430, nvptx, and cpp (default=all)]),,
800 if test "$enableval" = host-only ; then
804 all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;;
805 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
807 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
808 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
809 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
810 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
811 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
812 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
813 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
814 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
815 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
816 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
817 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
818 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
819 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
820 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
821 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
822 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
823 host) case "$llvm_cv_target_arch" in
824 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
825 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
826 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
827 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
828 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
829 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
830 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
831 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
832 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
833 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
834 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
835 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
836 *) AC_MSG_ERROR([Can not set target to build]) ;;
838 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
844 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
845 [Build experimental host targets: disable or target1,target2,...
846 (default=disable)]),,
849 if test ${enableval} != "disable"
851 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
854 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
856 dnl Determine whether we are building LLVM support for the native architecture.
857 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
858 for a_target in $TARGETS_TO_BUILD; do
859 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
860 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
861 [LLVM architecture name for the native architecture, if available])
862 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
863 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
864 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
865 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
866 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
867 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
869 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
870 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
872 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
873 [LLVM name for the native Target init function, if available])
874 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
875 [LLVM name for the native TargetInfo init function, if available])
876 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
877 [LLVM name for the native target MC init function, if available])
878 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
879 [LLVM name for the native AsmPrinter init function, if available])
880 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
881 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
882 [LLVM name for the native AsmParser init function, if available])
884 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
885 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
886 [LLVM name for the native Disassembler init function, if available])
891 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
892 dnl target feature def files.
894 LLVM_ENUM_ASM_PRINTERS=""
895 LLVM_ENUM_ASM_PARSERS=""
896 LLVM_ENUM_DISASSEMBLERS=""
897 for target_to_build in $TARGETS_TO_BUILD; do
898 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
899 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
900 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
902 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
903 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
905 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
906 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
909 AC_SUBST(LLVM_ENUM_TARGETS)
910 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
911 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
912 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
914 dnl Override the option to use for optimized builds.
915 AC_ARG_WITH(optimize-option,
916 AS_HELP_STRING([--with-optimize-option],
917 [Select the compiler options to use for optimized builds]),,
919 AC_MSG_CHECKING([optimization flags])
922 case "$llvm_cv_os_type" in
923 FreeBSD) optimize_option=-O2 ;;
924 MingW) optimize_option=-O2 ;;
925 *) optimize_option=-O3 ;;
927 *) optimize_option="$withval" ;;
929 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
930 AC_MSG_RESULT([$optimize_option])
932 dnl Specify extra build options
933 AC_ARG_WITH(extra-options,
934 AS_HELP_STRING([--with-extra-options],
935 [Specify additional options to compile LLVM with]),,
938 default) EXTRA_OPTIONS= ;;
939 *) EXTRA_OPTIONS=$withval ;;
941 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
943 dnl Specify extra linker build options
944 AC_ARG_WITH(extra-ld-options,
945 AS_HELP_STRING([--with-extra-ld-options],
946 [Specify additional options to link LLVM with]),,
949 default) EXTRA_LD_OPTIONS= ;;
950 *) EXTRA_LD_OPTIONS=$withval ;;
952 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
954 dnl Allow specific bindings to be specified for building (or not)
955 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
956 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
960 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
961 all ) BINDINGS_TO_BUILD="ocaml" ;;
962 none | no) BINDINGS_TO_BUILD="" ;;
963 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
965 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
966 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
972 dnl Allow the ocaml libdir to be overridden. This could go in a configure
973 dnl script for bindings/ocaml/configure, except that its auto value depends on
974 dnl OCAMLC, which is found here to support tests.
975 AC_ARG_WITH([ocaml-libdir],
976 [AS_HELP_STRING([--with-ocaml-libdir],
977 [Specify install location for ocaml bindings (default is stdlib)])],
981 auto) with_ocaml_libdir="$withval" ;;
982 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
983 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
986 AC_ARG_WITH(clang-srcdir,
987 AS_HELP_STRING([--with-clang-srcdir],
988 [Directory to the out-of-tree Clang source]),,
991 -) clang_src_root="" ;;
992 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
993 *) clang_src_root="$ac_pwd/$withval" ;;
995 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
997 AC_ARG_WITH(clang-resource-dir,
998 AS_HELP_STRING([--with-clang-resource-dir],
999 [Relative directory from the Clang binary for resource files]),,
1001 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
1002 [Relative directory for resource files])
1004 AC_ARG_WITH(c-include-dirs,
1005 AS_HELP_STRING([--with-c-include-dirs],
1006 [Colon separated list of directories clang will search for headers]),,
1008 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
1009 [Directories clang will search for headers])
1011 # Clang normally uses the system c++ headers and libraries. With this option,
1012 # clang will use the ones provided by a gcc installation instead. This option should
1013 # be passed the same value that was used with --prefix when configuring gcc.
1014 AC_ARG_WITH(gcc-toolchain,
1015 AS_HELP_STRING([--with-gcc-toolchain],
1016 [Directory where gcc is installed.]),,
1018 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
1019 [Directory where gcc is installed.])
1021 AC_ARG_WITH(default-sysroot,
1022 AS_HELP_STRING([--with-default-sysroot],
1023 [Add --sysroot=<path> to all compiler invocations.]),,
1025 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
1026 [Default <path> to all compiler invocations for --sysroot=<path>.])
1028 dnl Allow linking of LLVM with GPLv3 binutils code.
1029 AC_ARG_WITH(binutils-include,
1030 AS_HELP_STRING([--with-binutils-include],
1031 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
1034 default) WITH_BINUTILS_INCDIR=default ;;
1035 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
1036 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
1038 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
1039 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
1040 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
1041 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
1042 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
1046 dnl Specify the URL where bug reports should be submitted.
1047 AC_ARG_WITH(bug-report-url,
1048 AS_HELP_STRING([--with-bug-report-url],
1049 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
1050 withval="http://llvm.org/bugs/")
1051 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1054 dnl --enable-libffi : check whether the user wants to turn off libffi:
1055 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1056 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1057 [case "$enableval" in
1058 yes) llvm_cv_enable_libffi="yes" ;;
1059 no) llvm_cv_enable_libffi="no" ;;
1060 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1062 llvm_cv_enable_libffi=no)
1064 AC_ARG_WITH(internal-prefix,
1065 AS_HELP_STRING([--with-internal-prefix],
1066 [Installation directory for internal files]),,
1068 AC_SUBST(INTERNAL_PREFIX,[$withval])
1070 dnl===-----------------------------------------------------------------------===
1072 dnl=== SECTION 4: Check for programs we need and that they are the right version
1074 dnl===-----------------------------------------------------------------------===
1079 dnl Check for the tools that the makefiles require
1082 AC_PATH_PROG(CMP, [cmp], [cmp])
1083 AC_PATH_PROG(CP, [cp], [cp])
1084 AC_PATH_PROG(DATE, [date], [date])
1085 AC_PATH_PROG(FIND, [find], [find])
1086 AC_PATH_PROG(GREP, [grep], [grep])
1087 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1088 AC_PATH_PROG(MV, [mv], [mv])
1090 AC_CHECK_TOOL(AR, ar, false)
1091 AC_PATH_PROG(RM, [rm], [rm])
1092 AC_PATH_PROG(SED, [sed], [sed])
1093 AC_PATH_PROG(TAR, [tar], [gtar])
1094 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1096 dnl Looking for misc. graph plotting software
1097 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
1098 if test "$GRAPHVIZ" != "echo Graphviz" ; then
1099 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
1100 dnl If we're targeting for mingw we should emit windows paths, not msys
1101 if test "$llvm_cv_os_type" = "MingW" ; then
1102 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1104 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1105 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1107 AC_PATH_PROG(DOT, [dot], [echo dot])
1108 if test "$DOT" != "echo dot" ; then
1109 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1110 dnl If we're targeting for mingw we should emit windows paths, not msys
1111 if test "$llvm_cv_os_type" = "MingW" ; then
1112 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1114 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1115 [Define to path to dot program if found or 'echo dot' otherwise])
1117 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1118 if test "$FDP" != "echo fdp" ; then
1119 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1120 dnl If we're targeting for mingw we should emit windows paths, not msys
1121 if test "$llvm_cv_os_type" = "MingW" ; then
1122 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1124 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1125 [Define to path to fdp program if found or 'echo fdp' otherwise])
1127 AC_PATH_PROG(NEATO, [neato], [echo neato])
1128 if test "$NEATO" != "echo neato" ; then
1129 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1130 dnl If we're targeting for mingw we should emit windows paths, not msys
1131 if test "$llvm_cv_os_type" = "MingW" ; then
1132 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1134 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1135 [Define to path to neato program if found or 'echo neato' otherwise])
1137 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1138 if test "$TWOPI" != "echo twopi" ; then
1139 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1140 dnl If we're targeting for mingw we should emit windows paths, not msys
1141 if test "$llvm_cv_os_type" = "MingW" ; then
1142 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1144 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1145 [Define to path to twopi program if found or 'echo twopi' otherwise])
1147 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1148 if test "$CIRCO" != "echo circo" ; then
1149 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1150 dnl If we're targeting for mingw we should emit windows paths, not msys
1151 if test "$llvm_cv_os_type" = "MingW" ; then
1152 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1154 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1155 [Define to path to circo program if found or 'echo circo' otherwise])
1157 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1158 if test "$GV" != "echo gv" ; then
1159 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1160 dnl If we're targeting for mingw we should emit windows paths, not msys
1161 if test "$llvm_cv_os_type" = "MingW" ; then
1162 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1164 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1165 [Define to path to gv program if found or 'echo gv' otherwise])
1167 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1168 if test "$DOTTY" != "echo dotty" ; then
1169 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1170 dnl If we're targeting for mingw we should emit windows paths, not msys
1171 if test "$llvm_cv_os_type" = "MingW" ; then
1172 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1174 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1175 [Define to path to dotty program if found or 'echo dotty' otherwise])
1177 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1178 if test "$XDOT_PY" != "echo xdot.py" ; then
1179 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1180 dnl If we're targeting for mingw we should emit windows paths, not msys
1181 if test "$llvm_cv_os_type" = "MingW" ; then
1182 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1184 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1185 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1188 dnl Find the install program
1190 dnl Prepend src dir to install path dir if it's a relative path
1191 dnl This is a hack for installs that take place in something other
1192 dnl than the top level.
1194 [[\\/$]]* | ?:[[\\/]]* ) ;;
1195 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1198 dnl Checks for documentation and testing tools that we can do without. If these
1199 dnl are not found then they are set to "true" which always succeeds but does
1200 dnl nothing. This just lets the build output show that we could have done
1201 dnl something if the tool was available.
1202 AC_PATH_PROG(BZIP2, [bzip2])
1203 AC_PATH_PROG(CAT, [cat])
1204 AC_PATH_PROG(DOXYGEN, [doxygen])
1205 AC_PATH_PROG(GROFF, [groff])
1206 AC_PATH_PROG(GZIPBIN, [gzip])
1207 AC_PATH_PROG(PDFROFF, [pdfroff])
1208 AC_PATH_PROG(ZIP, [zip])
1209 AC_PATH_PROGS(OCAMLC, [ocamlc])
1210 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1211 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1212 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1213 AC_PATH_PROGS(GAS, [gas as])
1215 dnl Get the version of the linker in use.
1218 dnl Determine whether the linker supports the -R option.
1221 dnl Determine whether the linker supports the -export-dynamic option.
1222 AC_LINK_EXPORT_DYNAMIC
1224 dnl Determine whether the linker supports the --version-script option.
1225 AC_LINK_VERSION_SCRIPT
1227 dnl Check for libtool and the library that has dlopen function (which must come
1228 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1233 AC_MSG_CHECKING([tool compatibility])
1235 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1236 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1237 dnl to support those options.
1238 dnl "icc" emits gcc signatures
1239 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1251 if test "$GCC" != "yes" && test "$ICC" != "yes"
1253 AC_MSG_ERROR([gcc|icc required but not found])
1256 dnl Ensure that compilation tools are compatible with GCC extensions
1257 if test "$GXX" != "yes" && test "$IXX" != "yes"
1259 AC_MSG_ERROR([g++|clang++|icc required but not found])
1262 dnl Verify that GCC is version 3.0 or higher
1263 if test "$GCC" = "yes"
1268 #if !defined(__GNUC__) || __GNUC__ < 3
1269 #error Unsupported GCC version
1273 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1276 dnl Check for GNU Make. We use its extensions, so don't build without it
1277 if test -z "$llvm_cv_gnu_make_command"
1279 AC_MSG_ERROR([GNU Make required but not found])
1282 dnl Tool compatibility is okay if we make it here.
1285 dnl Check optional compiler flags.
1286 AC_MSG_CHECKING([optional compiler flags])
1287 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1288 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1289 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1291 dnl GCC's potential uninitialized use analysis is weak and presents lots of
1292 dnl false positives, so disable it.
1294 NO_MAYBE_UNINITIALIZED=
1295 if test "$GXX" = "yes"
1297 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
1298 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
1299 dnl known to be uninitialized from cases which might be uninitialized. We
1300 dnl still want to catch the first kind of errors.
1301 if test -z "$NO_MAYBE_UNINITIALIZED"
1303 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
1306 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
1308 AC_ARG_WITH([python],
1309 [AS_HELP_STRING([--with-python], [path to python])],
1310 [PYTHON="$withval"])
1312 if test -n "$PYTHON" && test -x "$PYTHON" ; then
1313 AC_MSG_CHECKING([for python])
1314 AC_MSG_RESULT([user defined: $with_python])
1316 if test -n "$PYTHON" ; then
1317 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path])
1320 AC_PATH_PROG([PYTHON], [python python2 python26],
1321 [AC_MSG_RESULT([not found])
1322 AC_MSG_ERROR([could not find python 2.5 or higher])])
1325 AC_MSG_CHECKING([for python >= 2.5])
1326 ac_python_version=`$PYTHON -c 'import sys; print sys.version.split()[[0]]'`
1327 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1`
1328 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2`
1329 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3`
1330 if test "$ac_python_version_major" -eq "2" \
1331 && test "$ac_python_version_minor" -ge "5" ; then
1332 AC_MSG_RESULT([$PYTHON ($ac_python_version)])
1334 AC_MSG_RESULT([not found])
1335 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5])
1338 dnl===-----------------------------------------------------------------------===
1340 dnl=== SECTION 5: Check for libraries
1342 dnl===-----------------------------------------------------------------------===
1345 if test "$llvm_cv_os_type" = "MingW" ; then
1346 AC_CHECK_LIB(imagehlp, main)
1347 AC_CHECK_LIB(psapi, main)
1350 dnl dlopen() is required for plugin support.
1351 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1352 [Define if dlopen() is available on this platform.]),
1353 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1355 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1356 dnl macros to detect whether clock_gettime is available, this just finds the
1357 dnl right libraries to link with.
1358 AC_SEARCH_LIBS(clock_gettime,rt)
1360 dnl libffi is optional; used to call external functions from the interpreter
1361 if test "$llvm_cv_enable_libffi" = "yes" ; then
1362 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1363 [Define if libffi is available on this platform.]),
1364 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1367 dnl mallinfo is optional; the code can compile (minus features) without it
1368 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1369 [Define if mallinfo() is available on this platform.]))
1371 dnl pthread locking functions are optional - but llvm will not be thread-safe
1373 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1374 AC_CHECK_LIB(pthread, pthread_mutex_init)
1375 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1376 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1377 [Have pthread_mutex_lock]))
1378 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1379 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1380 [Have pthread_rwlock_init]))
1381 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1382 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1383 [Have pthread_getspecific]))
1386 dnl zlib is optional; used for compression/uncompression
1387 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1388 AC_CHECK_LIB(z, compress2)
1391 dnl Allow extra x86-disassembler library
1393 AS_HELP_STRING([--with-udis86=<path>],
1394 [Use udis86 external x86 disassembler library]),
1396 AC_SUBST(USE_UDIS86, [1])
1399 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1401 AC_CHECK_LIB(udis86, ud_init, [], [
1402 echo "Error! You need to have libudis86 around."
1406 AC_SUBST(USE_UDIS86, [0]))
1407 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1408 [Define if use udis86 library])
1410 dnl Allow OProfile support for JIT output.
1411 AC_ARG_WITH(oprofile,
1412 AS_HELP_STRING([--with-oprofile=<prefix>],
1413 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1415 AC_SUBST(USE_OPROFILE, [1])
1417 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1419 AC_SUBST(USE_OPROFILE, [0]) ;;
1420 *) llvm_cv_oppath="${withval}/lib/oprofile"
1421 CPPFLAGS="-I${withval}/include";;
1423 case $llvm_cv_os_type in
1425 if test -n "$llvm_cv_oppath" ; then
1426 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1427 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1428 dnl libbfd is not included properly in libopagent in some Debian
1429 dnl versions. If libbfd isn't found at all, we assume opagent works
1431 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1432 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1433 echo "Error! You need to have libopagent around."
1436 AC_CHECK_HEADER([opagent.h], [], [
1437 echo "Error! You need to have opagent.h around."
1442 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1446 AC_SUBST(USE_OPROFILE, [0])
1448 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1449 [Define if we have the oprofile JIT-support library])
1451 dnl Enable support for Intel JIT Events API.
1452 AC_ARG_WITH(intel-jitevents,
1453 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1456 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1457 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1458 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1461 case $llvm_cv_os_type in
1462 Linux|Win32|Cygwin|MingW) ;;
1463 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1466 case "$llvm_cv_target_arch" in
1468 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1472 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1474 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1475 [Define if we have the Intel JIT API runtime support library])
1477 dnl Check for libxml2
1478 dnl Right now we're just checking for the existence, we could also check for a
1479 dnl particular version via --version on xml2-config
1480 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1482 AC_MSG_CHECKING(for libxml2 includes)
1483 if test "x$XML2CONFIG" = "x"; then
1484 AC_MSG_RESULT(xml2-config not found)
1486 LIBXML2_INC=`$XML2CONFIG --cflags`
1487 AC_MSG_RESULT($LIBXML2_INC)
1488 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1489 LIBXML2_LIBS="-lxml2"])
1491 AC_SUBST(LIBXML2_LIBS)
1492 AC_SUBST(LIBXML2_INC)
1494 dnl===-----------------------------------------------------------------------===
1496 dnl=== SECTION 6: Check for header files
1498 dnl===-----------------------------------------------------------------------===
1500 dnl First, use autoconf provided macros for specific headers that we need
1501 dnl We don't check for ancient stuff or things that are guaranteed to be there
1502 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1503 dnl Generally we're looking for POSIX headers.
1505 AC_HEADER_MMAP_ANONYMOUS
1511 AC_CHECK_HEADERS([cxxabi.h])
1513 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1514 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1515 AC_CHECK_HEADERS([utime.h windows.h])
1516 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1517 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1518 AC_CHECK_HEADERS([valgrind/valgrind.h])
1519 AC_CHECK_HEADERS([fenv.h])
1520 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
1521 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1522 AC_CHECK_HEADERS(pthread.h,
1523 AC_SUBST(HAVE_PTHREAD, 1),
1524 AC_SUBST(HAVE_PTHREAD, 0))
1526 AC_SUBST(HAVE_PTHREAD, 0)
1528 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1529 AC_CHECK_HEADERS(zlib.h,
1530 AC_SUBST(HAVE_LIBZ, 1),
1531 AC_SUBST(HAVE_LIBZ, 0))
1533 AC_SUBST(HAVE_LIBZ, 0)
1536 dnl Try to find ffi.h.
1537 if test "$llvm_cv_enable_libffi" = "yes" ; then
1538 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1541 dnl Try to find Darwin specific crash reporting libraries.
1542 AC_CHECK_HEADERS([CrashReporterClient.h])
1544 dnl Try to find Darwin specific crash reporting global.
1545 AC_MSG_CHECKING([__crashreporter_info__])
1549 extern const char *__crashreporter_info__;
1551 __crashreporter_info__ = "test";
1557 AC_MSG_RESULT([yes])
1558 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__])
1562 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__])
1565 dnl===-----------------------------------------------------------------------===
1567 dnl=== SECTION 7: Check for types and structures
1569 dnl===-----------------------------------------------------------------------===
1574 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1576 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1577 AC_CHECK_TYPES([uint64_t],,
1578 AC_CHECK_TYPES([u_int64_t],,
1579 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1581 dnl===-----------------------------------------------------------------------===
1583 dnl=== SECTION 8: Check for specific functions needed
1585 dnl===-----------------------------------------------------------------------===
1587 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1588 AC_CHECK_FUNCS([powf fmodf strtof round ])
1589 AC_CHECK_FUNCS([log log2 log10 exp exp2])
1590 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1591 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1592 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1593 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1594 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1595 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1599 dnl Check the declaration "Secure API" on Windows environments.
1600 AC_CHECK_DECLS([strerror_s])
1602 dnl Check symbols in libgcc.a for JIT on Mingw.
1603 if test "$llvm_cv_os_type" = "MingW" ; then
1604 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1605 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1606 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1607 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1609 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1610 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1611 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1612 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1613 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1614 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1615 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1616 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1617 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1618 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1620 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1621 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1624 dnl Check Win32 API EnumerateLoadedModules.
1625 if test "$llvm_cv_os_type" = "MingW" ; then
1626 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1630 #include <windows.h>
1631 #include <imagehlp.h>
1632 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1633 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
1637 AC_MSG_RESULT([yes])
1638 llvm_cv_win32_elmcb_pcstr="PCSTR"
1642 llvm_cv_win32_elmcb_pcstr="PSTR"
1644 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1647 dnl Check for variations in the Standard C++ library and STL. These macros are
1648 dnl provided by LLVM in the autoconf/m4 directory.
1652 dnl Check for mmap support.We also need to know if /dev/zero is required to
1653 dnl be opened for allocating RWX memory.
1654 dnl Make sure we aren't attempting to configure for an unknown system
1655 if test "$llvm_cv_platform_type" = "Unix" ; then
1658 AC_NEED_DEV_ZERO_FOR_MMAP
1660 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1662 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1664 if test "$ac_cv_func_mmap_file" = "no"
1666 AC_MSG_WARN([mmap() of files required but not found])
1670 dnl atomic builtins are required for threading support.
1671 AC_MSG_CHECKING(for GCC atomic builtins)
1672 dnl Since we'll be using these atomic builtins in C++ files we should test
1673 dnl the C++ compiler.
1679 volatile unsigned long val = 1;
1680 __sync_synchronize();
1681 __sync_val_compare_and_swap(&val, 1, 0);
1682 __sync_add_and_fetch(&val, 1);
1683 __sync_sub_and_fetch(&val, 1);
1689 AC_MSG_RESULT([yes])
1690 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics])
1694 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics])
1695 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])
1699 dnl===-----------------------------------------------------------------------===
1701 dnl=== SECTION 9: Additional checks, variables, etc.
1703 dnl===-----------------------------------------------------------------------===
1705 dnl Handle 32-bit linux systems running a 64-bit kernel.
1706 dnl This has to come after section 4 because it invokes the compiler.
1707 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1709 if test "$llvm_cv_linux_mixed" = "yes"; then
1710 llvm_cv_target_arch="x86"
1715 dnl Check whether __dso_handle is present
1716 AC_CHECK_FUNCS([__dso_handle])
1718 dnl Propagate the shared library extension that the libltdl checks did to
1719 dnl the Makefiles so we can use it there too
1720 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1722 dnl Propagate the run-time library path variable that the libltdl
1723 dnl checks found to the Makefiles so we can use it there too
1724 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1726 dnl Translate the various configuration directories and other basic
1727 dnl information into substitutions that will end up in Makefile.config.in
1728 dnl that these configured values can be used by the makefiles
1729 if test "${prefix}" = "NONE" ; then
1732 eval LLVM_PREFIX="${prefix}";
1733 eval LLVM_BINDIR="${prefix}/bin";
1734 eval LLVM_LIBDIR="${prefix}/lib";
1735 eval LLVM_DATADIR="${prefix}/share/llvm";
1736 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1737 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1738 eval LLVM_INCLUDEDIR="${prefix}/include";
1739 eval LLVM_INFODIR="${prefix}/info";
1740 eval LLVM_MANDIR="${prefix}/man";
1741 LLVM_CONFIGTIME=`date`
1742 AC_SUBST(LLVM_PREFIX)
1743 AC_SUBST(LLVM_BINDIR)
1744 AC_SUBST(LLVM_LIBDIR)
1745 AC_SUBST(LLVM_DATADIR)
1746 AC_SUBST(LLVM_DOCSDIR)
1747 AC_SUBST(LLVM_ETCDIR)
1748 AC_SUBST(LLVM_INCLUDEDIR)
1749 AC_SUBST(LLVM_INFODIR)
1750 AC_SUBST(LLVM_MANDIR)
1751 AC_SUBST(LLVM_CONFIGTIME)
1753 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1754 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1755 LLVM_CONFIGTIME="(timestamp not enabled)"
1758 dnl Place the various directories into the config.h file as #defines so that we
1759 dnl can know about the installation paths within LLVM.
1760 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1761 [Installation prefix directory])
1762 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1763 [Installation directory for binary executables])
1764 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1765 [Installation directory for libraries])
1766 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1767 [Installation directory for data files])
1768 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1769 [Installation directory for documentation])
1770 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1771 [Installation directory for config files])
1772 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1773 [Installation directory for include files])
1774 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1775 [Installation directory for .info files])
1776 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1777 [Installation directory for man pages])
1778 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1779 [Time at which LLVM was configured])
1780 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
1781 [Host triple LLVM will be executed on])
1782 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1783 [Target triple LLVM will generate code for by default])
1785 dnl Determine which bindings to build.
1786 if test "$BINDINGS_TO_BUILD" = auto ; then
1787 BINDINGS_TO_BUILD=""
1788 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1789 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1792 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1794 dnl This isn't really configurey, but it avoids having to repeat the list in
1796 AC_SUBST(ALL_BINDINGS,ocaml)
1798 dnl Do any work necessary to ensure that bindings have what they need.
1799 binding_prereqs_failed=0
1800 for a_binding in $BINDINGS_TO_BUILD ; do
1801 case "$a_binding" in
1803 if test "x$OCAMLC" = x ; then
1804 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1805 binding_prereqs_failed=1
1807 if test "x$OCAMLDEP" = x ; then
1808 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1809 binding_prereqs_failed=1
1811 if test "x$OCAMLOPT" = x ; then
1812 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1813 dnl ocamlopt is optional!
1815 if test "x$with_ocaml_libdir" != xauto ; then
1816 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1818 ocaml_stdlib="`"$OCAMLC" -where`"
1819 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1821 # ocaml stdlib is beneath our prefix; use stdlib
1822 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1824 # ocaml stdlib is outside our prefix; use libdir/ocaml
1825 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1831 if test "$binding_prereqs_failed" = 1 ; then
1832 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1835 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1836 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1838 dnl Determine linker rpath flag
1839 if test "$llvm_cv_link_use_r" = "yes" ; then
1846 dnl Determine linker rdynamic flag
1847 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1848 RDYNAMIC="-Wl,-export-dynamic"
1854 dnl===-----------------------------------------------------------------------===
1856 dnl=== SECTION 10: Specify the output files and generate it
1858 dnl===-----------------------------------------------------------------------===
1860 dnl Configure header files
1861 dnl WARNING: dnl If you add or remove any of the following config headers, then
1862 dnl you MUST also update Makefile so that the variable FilesToConfig
1863 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1864 dnl files can be updated automatically when their *.in sources change.
1865 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1866 AH_TOP([#ifndef CONFIG_H
1870 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1871 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1872 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1873 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1874 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1876 dnl Configure the makefile's configuration data
1877 AC_CONFIG_FILES([Makefile.config])
1879 dnl Configure the RPM spec file for LLVM
1880 AC_CONFIG_FILES([llvm.spec])
1882 dnl Configure doxygen's configuration file
1883 AC_CONFIG_FILES([docs/doxygen.cfg])
1885 dnl Configure clang, if present
1886 if test "${clang_src_root}" = ""; then
1887 clang_src_root="$srcdir/tools/clang"
1889 if test -f ${clang_src_root}/README.txt; then
1890 dnl Use variables to stay under 80 columns.
1891 configh="include/clang/Config/config.h"
1892 doxy="docs/doxygen.cfg"
1893 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1894 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1897 dnl OCaml findlib META file
1898 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1900 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
1901 test "x$program_prefix" = "xNONE" && program_prefix=""
1902 AC_SUBST([program_prefix])
1905 dnl Do special configuration of Makefiles
1906 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1907 AC_CONFIG_MAKEFILE(Makefile)
1908 AC_CONFIG_MAKEFILE(Makefile.common)
1909 AC_CONFIG_MAKEFILE(examples/Makefile)
1910 AC_CONFIG_MAKEFILE(lib/Makefile)
1911 AC_CONFIG_MAKEFILE(runtime/Makefile)
1912 AC_CONFIG_MAKEFILE(test/Makefile)
1913 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1914 AC_CONFIG_MAKEFILE(unittests/Makefile)
1915 AC_CONFIG_MAKEFILE(tools/Makefile)
1916 AC_CONFIG_MAKEFILE(utils/Makefile)
1917 AC_CONFIG_MAKEFILE(projects/Makefile)
1918 AC_CONFIG_MAKEFILE(bindings/Makefile)
1919 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1921 dnl Finally, crank out the output