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 We need to check for the compiler up here to avoid anything else
63 dnl starting with a different one.
64 AC_PROG_CC(clang llvm-gcc gcc)
65 AC_PROG_CXX(clang++ llvm-g++ g++)
68 dnl Configure all of the projects present in our source tree. While we could
69 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
70 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
71 dnl Instead we match on the known projects.
74 dnl One tricky part of doing this is that some projects depend upon other
75 dnl projects. For example, several projects rely upon the LLVM test suite.
76 dnl We want to configure those projects first so that their object trees are
77 dnl created before running the configure scripts of projects that depend upon
81 dnl Several projects use llvm-gcc, so configure that first
82 if test -d ${srcdir}/projects/llvm-gcc ; then
83 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
86 dnl Several projects use the LLVM test suite, so configure it next.
87 if test -d ${srcdir}/projects/test-suite ; then
88 AC_CONFIG_SUBDIRS([projects/test-suite])
91 dnl llvm-test is the old name of the test-suite, kept here for backwards
93 if test -d ${srcdir}/projects/llvm-test ; then
94 AC_CONFIG_SUBDIRS([projects/llvm-test])
97 dnl Some projects use poolalloc; configure that next
98 if test -d ${srcdir}/projects/poolalloc ; then
99 AC_CONFIG_SUBDIRS([projects/poolalloc])
102 if test -d ${srcdir}/projects/llvm-poolalloc ; then
103 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
106 dnl Check for all other projects
107 for i in `ls ${srcdir}/projects`
109 if test -d ${srcdir}/projects/${i} ; then
111 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
112 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
113 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
114 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
115 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
116 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
117 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
118 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
126 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
132 dnl Disable the build of polly, even if it is checked out into tools/polly.
134 AS_HELP_STRING([--enable-polly],
135 [Use polly if available (default is YES)]),,
138 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
139 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
140 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
141 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
145 dnl Check if polly is checked out into tools/polly and configure it if
147 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
148 AC_SUBST(LLVM_HAS_POLLY,1)
149 AC_CONFIG_SUBDIRS([tools/polly])
152 dnl===-----------------------------------------------------------------------===
154 dnl=== SECTION 2: Architecture, target, and host checks
156 dnl===-----------------------------------------------------------------------===
158 dnl Check the target for which we're compiling and the host that will do the
159 dnl compilations. This will tell us which LLVM compiler will be used for
160 dnl compiling SSA into object code. This needs to be done early because
161 dnl following tests depend on it.
164 dnl Determine the platform type and cache its value. This helps us configure
165 dnl the System library to the correct build platform.
166 AC_CACHE_CHECK([type of operating system we're going to host on],
170 llvm_cv_link_all_option="-Wl,--whole-archive"
171 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
172 llvm_cv_os_type="AIX"
173 llvm_cv_platform_type="Unix" ;;
175 llvm_cv_link_all_option="-Wl,--whole-archive"
176 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
177 llvm_cv_os_type="IRIX"
178 llvm_cv_platform_type="Unix" ;;
180 llvm_cv_link_all_option="-Wl,--whole-archive"
181 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
182 llvm_cv_os_type="Cygwin"
183 llvm_cv_platform_type="Unix" ;;
185 llvm_cv_link_all_option="-Wl,-all_load"
186 llvm_cv_no_link_all_option="-Wl,-noall_load"
187 llvm_cv_os_type="Darwin"
188 llvm_cv_platform_type="Unix" ;;
190 llvm_cv_link_all_option="-Wl,-all_load"
191 llvm_cv_no_link_all_option="-Wl,-noall_load"
192 llvm_cv_os_type="Minix"
193 llvm_cv_platform_type="Unix" ;;
194 *-*-freebsd* | *-*-kfreebsd-gnu)
195 llvm_cv_link_all_option="-Wl,--whole-archive"
196 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
197 llvm_cv_os_type="FreeBSD"
198 llvm_cv_platform_type="Unix" ;;
200 llvm_cv_link_all_option="-Wl,--whole-archive"
201 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
202 llvm_cv_os_type="OpenBSD"
203 llvm_cv_platform_type="Unix" ;;
205 llvm_cv_link_all_option="-Wl,--whole-archive"
206 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
207 llvm_cv_os_type="NetBSD"
208 llvm_cv_platform_type="Unix" ;;
210 llvm_cv_link_all_option="-Wl,--whole-archive"
211 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
212 llvm_cv_os_type="DragonFly"
213 llvm_cv_platform_type="Unix" ;;
215 llvm_cv_link_all_option="-Wl,--whole-archive"
216 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
217 llvm_cv_os_type="HP-UX"
218 llvm_cv_platform_type="Unix" ;;
220 llvm_cv_link_all_option="-Wl,--whole-archive"
221 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
222 llvm_cv_os_type="Interix"
223 llvm_cv_platform_type="Unix" ;;
225 llvm_cv_link_all_option="-Wl,--whole-archive"
226 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
227 llvm_cv_os_type="Linux"
228 llvm_cv_platform_type="Unix" ;;
230 llvm_cv_link_all_option="-Wl,--whole-archive"
231 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
232 llvm_cv_os_type="GNU"
233 llvm_cv_platform_type="Unix" ;;
235 llvm_cv_link_all_option="-Wl,-z,allextract"
236 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
237 llvm_cv_os_type="SunOS"
238 llvm_cv_platform_type="Unix" ;;
240 llvm_cv_link_all_option="-Wl,-z,allextract"
241 llvm_cv_link_all_option="-Wl,-z,defaultextract"
242 llvm_cv_os_type="AuroraUX"
243 llvm_cv_platform_type="Unix" ;;
245 llvm_cv_link_all_option="-Wl,--whole-archive"
246 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
247 llvm_cv_os_type="Win32"
248 llvm_cv_platform_type="Win32" ;;
250 llvm_cv_link_all_option="-Wl,--whole-archive"
251 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
252 llvm_cv_os_type="MingW"
253 llvm_cv_platform_type="Win32" ;;
255 llvm_cv_link_all_option="-Wl,--whole-archive"
256 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
257 llvm_cv_os_type="Haiku"
258 llvm_cv_platform_type="Unix" ;;
260 llvm_cv_link_all_option="-Wl,--whole-archive"
261 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
262 llvm_cv_os_type="Freestanding"
263 llvm_cv_platform_type="Unix" ;;
265 llvm_cv_link_all_option="-Wl,--whole-archive"
266 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
267 llvm_cv_os_type="Freestanding"
268 llvm_cv_platform_type="Unix" ;;
270 llvm_cv_link_all_option=""
271 llvm_cv_no_link_all_option=""
272 llvm_cv_os_type="Unknown"
273 llvm_cv_platform_type="Unknown" ;;
276 AC_CACHE_CHECK([type of operating system we're going to target],
277 [llvm_cv_target_os_type],
280 llvm_cv_target_os_type="AIX" ;;
282 llvm_cv_target_os_type="IRIX" ;;
284 llvm_cv_target_os_type="Cygwin" ;;
286 llvm_cv_target_os_type="Darwin" ;;
288 llvm_cv_target_os_type="Minix" ;;
289 *-*-freebsd* | *-*-kfreebsd-gnu)
290 llvm_cv_target_os_type="FreeBSD" ;;
292 llvm_cv_target_os_type="OpenBSD" ;;
294 llvm_cv_target_os_type="NetBSD" ;;
296 llvm_cv_target_os_type="DragonFly" ;;
298 llvm_cv_target_os_type="HP-UX" ;;
300 llvm_cv_target_os_type="Interix" ;;
302 llvm_cv_target_os_type="Linux" ;;
304 llvm_cv_target_os_type="GNU" ;;
306 llvm_cv_target_os_type="SunOS" ;;
308 llvm_cv_target_os_type="AuroraUX" ;;
310 llvm_cv_target_os_type="Win32" ;;
312 llvm_cv_target_os_type="MingW" ;;
314 llvm_cv_target_os_type="Haiku" ;;
316 llvm_cv_target_os_type="RTEMS" ;;
318 llvm_cv_target_os_type="NativeClient" ;;
320 llvm_cv_target_os_type="Freestanding" ;;
322 llvm_cv_target_os_type="Unknown" ;;
325 dnl Make sure we aren't attempting to configure for an unknown system
326 if test "$llvm_cv_os_type" = "Unknown" ; then
327 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
330 dnl Set the "OS" Makefile variable based on the platform type so the
331 dnl makefile can configure itself to specific build hosts
332 AC_SUBST(OS,$llvm_cv_os_type)
333 AC_SUBST(HOST_OS,$llvm_cv_os_type)
334 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
336 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
337 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
338 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
340 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
341 dnl This is used by lib/Support to determine the basic kind of implementation
343 case $llvm_cv_platform_type in
345 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
346 AC_SUBST(LLVM_ON_UNIX,[1])
347 AC_SUBST(LLVM_ON_WIN32,[0])
350 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
351 AC_SUBST(LLVM_ON_UNIX,[0])
352 AC_SUBST(LLVM_ON_WIN32,[1])
356 dnl Determine what our target architecture is and configure accordingly.
357 dnl This will allow Makefiles to make a distinction between the hardware and
359 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
361 i?86-*) llvm_cv_target_arch="x86" ;;
362 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
363 sparc*-*) llvm_cv_target_arch="Sparc" ;;
364 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
365 arm*-*) llvm_cv_target_arch="ARM" ;;
366 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
367 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
368 xcore-*) llvm_cv_target_arch="XCore" ;;
369 msp430-*) llvm_cv_target_arch="MSP430" ;;
370 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
371 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
372 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
373 *) llvm_cv_target_arch="Unknown" ;;
376 if test "$llvm_cv_target_arch" = "Unknown" ; then
377 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
380 dnl Determine the LLVM native architecture for the target
381 case "$llvm_cv_target_arch" in
382 x86) LLVM_NATIVE_ARCH="X86" ;;
383 x86_64) LLVM_NATIVE_ARCH="X86" ;;
384 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
387 dnl Define a substitution, ARCH, for the target architecture
388 AC_SUBST(ARCH,$llvm_cv_target_arch)
390 dnl Determine what our host architecture.
391 dnl This will allow MCJIT regress tests runs only for supported
394 i?86-*) host_arch="x86" ;;
395 amd64-* | x86_64-*) host_arch="x86_64" ;;
396 sparc*-*) host_arch="Sparc" ;;
397 powerpc*-*) host_arch="PowerPC" ;;
398 arm*-*) host_arch="ARM" ;;
399 mips-* | mips64-*) host_arch="Mips" ;;
400 mipsel-* | mips64el-*) host_arch="Mips" ;;
401 xcore-*) host_arch="XCore" ;;
402 msp430-*) host_arch="MSP430" ;;
403 hexagon-*) host_arch="Hexagon" ;;
404 mblaze-*) host_arch="MBlaze" ;;
405 *) host_arch="Unknown" ;;
408 if test "$host_arch" = "Unknown" ; then
409 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
412 AC_SUBST(HOST_ARCH,$host_arch)
414 dnl Check for the endianness of the target
415 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
417 dnl Check for build platform executable suffix if we're cross-compiling
418 if test "$cross_compiling" = yes; then
419 AC_SUBST(LLVM_CROSS_COMPILING, [1])
421 ac_build_prefix=${build_alias}-
422 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
423 if test -z "$BUILD_CXX"; then
424 AC_CHECK_PROG(BUILD_CXX, g++, g++)
425 if test -z "$BUILD_CXX"; then
426 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
430 AC_SUBST(LLVM_CROSS_COMPILING, [0])
433 dnl Check to see if there's a .svn or .git directory indicating that this
434 dnl build is being done from a checkout. This sets up several defaults for
435 dnl the command line switches. When we build with a checkout directory,
436 dnl we get a debug with assertions turned on. Without, we assume a source
437 dnl release and we get an optimized build without assertions.
438 dnl See --enable-optimized and --enable-assertions below
439 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
442 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
448 dnl===-----------------------------------------------------------------------===
450 dnl=== SECTION 3: Command line arguments for the configure script.
452 dnl===-----------------------------------------------------------------------===
454 dnl --enable-libcpp : check whether or not to use libc++ on the command line
455 AC_ARG_ENABLE(libcpp,
456 AS_HELP_STRING([--enable-libcpp],
457 [Use libc++ if available (default is NO)]),,
460 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
461 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
462 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
463 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
466 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
468 AS_HELP_STRING([--enable-cxx11],
469 [Use c++11 if available (default is NO)]),,
472 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
473 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
474 default) AC_SUBST(ENABLE_CXX11,[0]);;
475 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
478 dnl --enable-clang-arcmt: check whether to enable clang arcmt
480 AC_ARG_ENABLE(clang-arcmt,
481 AS_HELP_STRING([--enable-clang-arcmt],
482 [Enable building of clang ARCMT (default is YES)]),
483 clang_arcmt="$enableval",
486 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;;
487 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;;
488 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);;
489 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;;
492 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer
493 clang_static_analyzer="yes"
494 AC_ARG_ENABLE(clang-static-analyzer,
495 AS_HELP_STRING([--enable-clang-static-analyzer],
496 [Enable building of clang Static Analyzer (default is YES)]),
497 clang_static_analyzer="$enableval",
500 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;;
501 no) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0]) ;;
502 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);;
503 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;;
506 dnl --enable-clang-rewriter: check whether to enable clang rewriter
507 AC_ARG_ENABLE(clang-rewriter,
508 AS_HELP_STRING([--enable-clang-rewriter],
509 [Enable building of clang rewriter (default is YES)]),,
512 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;;
514 if test ${clang_arcmt} != "no" ; then
515 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.])
517 if test ${clang_static_analyzer} != "no" ; then
518 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.])
520 AC_SUBST(ENABLE_CLANG_REWRITER,[0])
522 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);;
523 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;;
526 dnl --enable-optimized : check whether they want to do an optimized build:
527 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
528 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
529 if test ${enableval} = "no" ; then
530 AC_SUBST(ENABLE_OPTIMIZED,[[]])
532 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
535 dnl --enable-profiling : check whether they want to do a profile build:
536 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
537 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
538 if test ${enableval} = "no" ; then
539 AC_SUBST(ENABLE_PROFILING,[[]])
541 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
544 dnl --enable-assertions : check whether they want to turn on assertions or not:
545 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
546 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
547 if test ${enableval} = "yes" ; then
548 AC_SUBST(DISABLE_ASSERTIONS,[[]])
550 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
553 dnl --enable-werror : check whether we want Werror on by default
554 AC_ARG_ENABLE(werror,AS_HELP_STRING(
555 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
557 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
558 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
559 default) AC_SUBST(ENABLE_WERROR,[0]);;
560 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
563 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
564 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
565 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
566 if test ${enableval} = "yes" ; then
567 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
568 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
570 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
571 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
574 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
575 AC_ARG_ENABLE(debug-runtime,
576 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
577 if test ${enableval} = "no" ; then
578 AC_SUBST(DEBUG_RUNTIME,[[]])
580 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
583 dnl --enable-debug-symbols : should even optimized compiler libraries
584 dnl have debug symbols?
585 AC_ARG_ENABLE(debug-symbols,
586 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)
587 if test ${enableval} = "no" ; then
588 AC_SUBST(DEBUG_SYMBOLS,[[]])
590 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
593 dnl --enable-keep-symbols : do not strip installed executables
594 AC_ARG_ENABLE(keep-symbols,
595 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
596 if test ${enableval} = "no" ; then
597 AC_SUBST(KEEP_SYMBOLS,[[]])
599 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
602 dnl --enable-jit: check whether they want to enable the jit
604 AS_HELP_STRING(--enable-jit,
605 [Enable Just In Time Compiling (default is YES)]),,
607 if test ${enableval} = "no"
611 case "$llvm_cv_target_arch" in
612 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
613 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
614 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
615 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
616 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
617 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
618 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
619 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
620 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
621 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
622 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
623 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
627 dnl Allow enablement of building and installing docs
629 AS_HELP_STRING([--enable-docs],
630 [Build documents (default is YES)]),,
633 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
634 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
635 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
636 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
639 dnl Allow enablement of doxygen generated documentation
640 AC_ARG_ENABLE(doxygen,
641 AS_HELP_STRING([--enable-doxygen],
642 [Build doxygen documentation (default is NO)]),,
645 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
646 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
647 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
648 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
651 dnl Allow disablement of threads
652 AC_ARG_ENABLE(threads,
653 AS_HELP_STRING([--enable-threads],
654 [Use threads if available (default is YES)]),,
657 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
658 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
659 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
660 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
662 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
663 [Define if threads enabled])
665 dnl Allow disablement of pthread.h
666 AC_ARG_ENABLE(pthreads,
667 AS_HELP_STRING([--enable-pthreads],
668 [Use pthreads if available (default is YES)]),,
671 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
672 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
673 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
674 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
677 dnl Allow building without position independent code
679 AS_HELP_STRING([--enable-pic],
680 [Build LLVM with Position Independent Code (default is YES)]),,
683 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
684 no) AC_SUBST(ENABLE_PIC,[0]) ;;
685 default) AC_SUBST(ENABLE_PIC,[1]) ;;
686 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
688 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
689 [Define if position independent code is enabled])
691 dnl Allow building a shared library and linking tools against it.
692 AC_ARG_ENABLE(shared,
693 AS_HELP_STRING([--enable-shared],
694 [Build a shared library and link tools against it (default is NO)]),,
697 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
698 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
699 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
700 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
703 dnl Allow libstdc++ is embedded in LLVM.dll.
704 AC_ARG_ENABLE(embed-stdcxx,
705 AS_HELP_STRING([--enable-embed-stdcxx],
706 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
709 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
710 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
711 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
712 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
715 dnl Enable embedding timestamp information into build.
716 AC_ARG_ENABLE(timestamps,
717 AS_HELP_STRING([--enable-timestamps],
718 [Enable embedding timestamp information in build (default is YES)]),,
721 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
722 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
723 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
724 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
726 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
727 [Define if timestamp information (e.g., __DATE__) is allowed])
729 dnl Enable embedding timestamp information into build.
731 AC_ARG_ENABLE(backtraces,
732 AS_HELP_STRING([--enable-backtraces],
733 [Enable embedding backtraces on crash (default is YES)]),,
736 yes) AC_SUBST(ENABLE_BACKTRACES,[1]) ;;
737 no) AC_SUBST(ENABLE_BACKTRACES,[0]) ;;
738 default) AC_SUBST(ENABLE_BACKTRACES,[1]) ;;
739 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
741 AC_DEFINE_UNQUOTED([ENABLE_BACKTRACES],$ENABLE_BACKTRACES,
742 [Define if you want backtraces on crash])
744 dnl Allow specific targets to be specified for building (or not)
746 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
747 [Build specific host targets: all or target1,target2,... Valid targets are:
748 host, x86, x86_64, sparc, powerpc, arm, mips, hexagon,
749 xcore, msp430, nvptx, and cpp (default=all)]),,
751 if test "$enableval" = host-only ; then
755 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;;
756 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
758 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
759 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
760 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
761 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
762 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
763 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
764 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
765 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
766 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
767 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
768 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
769 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
770 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
771 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
772 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
773 host) case "$llvm_cv_target_arch" in
774 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
775 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
776 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
777 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
778 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
779 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
780 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
781 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
782 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
783 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
784 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
785 *) AC_MSG_ERROR([Can not set target to build]) ;;
787 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
793 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
794 [Build experimental host targets: disable or target1,target2,...
795 (default=disable)]),,
798 if test ${enableval} != "disable"
800 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
803 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
805 dnl Determine whether we are building LLVM support for the native architecture.
806 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
807 for a_target in $TARGETS_TO_BUILD; do
808 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
809 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
810 [LLVM architecture name for the native architecture, if available])
811 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
812 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
813 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
814 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
815 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
816 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
818 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
819 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
821 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
822 [LLVM name for the native Target init function, if available])
823 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
824 [LLVM name for the native TargetInfo init function, if available])
825 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
826 [LLVM name for the native target MC init function, if available])
827 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
828 [LLVM name for the native AsmPrinter init function, if available])
829 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
830 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
831 [LLVM name for the native AsmParser init function, if available])
833 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
834 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
835 [LLVM name for the native Disassembler init function, if available])
840 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
841 dnl target feature def files.
843 LLVM_ENUM_ASM_PRINTERS=""
844 LLVM_ENUM_ASM_PARSERS=""
845 LLVM_ENUM_DISASSEMBLERS=""
846 for target_to_build in $TARGETS_TO_BUILD; do
847 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
848 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
849 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
851 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
852 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
854 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
855 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
858 AC_SUBST(LLVM_ENUM_TARGETS)
859 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
860 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
861 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
863 dnl Override the option to use for optimized builds.
864 AC_ARG_WITH(optimize-option,
865 AS_HELP_STRING([--with-optimize-option],
866 [Select the compiler options to use for optimized builds]),,
868 AC_MSG_CHECKING([optimization flags])
871 case "$llvm_cv_os_type" in
872 FreeBSD) optimize_option=-O2 ;;
873 MingW) optimize_option=-O2 ;;
874 *) optimize_option=-O3 ;;
876 *) optimize_option="$withval" ;;
878 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
879 AC_MSG_RESULT([$optimize_option])
881 dnl Specify extra build options
882 AC_ARG_WITH(extra-options,
883 AS_HELP_STRING([--with-extra-options],
884 [Specify additional options to compile LLVM with]),,
887 default) EXTRA_OPTIONS= ;;
888 *) EXTRA_OPTIONS=$withval ;;
890 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
892 dnl Specify extra linker build options
893 AC_ARG_WITH(extra-ld-options,
894 AS_HELP_STRING([--with-extra-ld-options],
895 [Specify additional options to link LLVM with]),,
898 default) EXTRA_LD_OPTIONS= ;;
899 *) EXTRA_LD_OPTIONS=$withval ;;
901 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
903 dnl Allow specific bindings to be specified for building (or not)
904 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
905 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
909 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
910 all ) BINDINGS_TO_BUILD="ocaml" ;;
911 none | no) BINDINGS_TO_BUILD="" ;;
912 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
914 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
915 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
921 dnl Allow the ocaml libdir to be overridden. This could go in a configure
922 dnl script for bindings/ocaml/configure, except that its auto value depends on
923 dnl OCAMLC, which is found here to support tests.
924 AC_ARG_WITH([ocaml-libdir],
925 [AS_HELP_STRING([--with-ocaml-libdir],
926 [Specify install location for ocaml bindings (default is stdlib)])],
930 auto) with_ocaml_libdir="$withval" ;;
931 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
932 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
935 AC_ARG_WITH(clang-srcdir,
936 AS_HELP_STRING([--with-clang-srcdir],
937 [Directory to the out-of-tree Clang source]),,
940 -) clang_src_root="" ;;
941 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
942 *) clang_src_root="$ac_pwd/$withval" ;;
944 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
946 AC_ARG_WITH(clang-resource-dir,
947 AS_HELP_STRING([--with-clang-resource-dir],
948 [Relative directory from the Clang binary for resource files]),,
950 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
951 [Relative directory for resource files])
953 AC_ARG_WITH(c-include-dirs,
954 AS_HELP_STRING([--with-c-include-dirs],
955 [Colon separated list of directories clang will search for headers]),,
957 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
958 [Directories clang will search for headers])
960 # Clang normally uses the system c++ headers and libraries. With this option,
961 # clang will use the ones provided by a gcc installation instead. This option should
962 # be passed the same value that was used with --prefix when configuring gcc.
963 AC_ARG_WITH(gcc-toolchain,
964 AS_HELP_STRING([--with-gcc-toolchain],
965 [Directory where gcc is installed.]),,
967 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
968 [Directory where gcc is installed.])
970 AC_ARG_WITH(default-sysroot,
971 AS_HELP_STRING([--with-default-sysroot],
972 [Add --sysroot=<path> to all compiler invocations.]),,
974 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
975 [Default <path> to all compiler invocations for --sysroot=<path>.])
977 dnl Allow linking of LLVM with GPLv3 binutils code.
978 AC_ARG_WITH(binutils-include,
979 AS_HELP_STRING([--with-binutils-include],
980 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
983 default) WITH_BINUTILS_INCDIR=default ;;
984 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
985 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
987 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
988 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
989 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
990 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
991 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
995 dnl Specify the URL where bug reports should be submitted.
996 AC_ARG_WITH(bug-report-url,
997 AS_HELP_STRING([--with-bug-report-url],
998 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
999 withval="http://llvm.org/bugs/")
1000 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
1003 dnl --enable-libffi : check whether the user wants to turn off libffi:
1004 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
1005 --enable-libffi,[Check for the presence of libffi (default is NO)]),
1006 [case "$enableval" in
1007 yes) llvm_cv_enable_libffi="yes" ;;
1008 no) llvm_cv_enable_libffi="no" ;;
1009 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
1011 llvm_cv_enable_libffi=no)
1013 AC_ARG_WITH(internal-prefix,
1014 AS_HELP_STRING([--with-internal-prefix],
1015 [Installation directory for internal files]),,
1017 AC_SUBST(INTERNAL_PREFIX,[$withval])
1019 dnl===-----------------------------------------------------------------------===
1021 dnl=== SECTION 4: Check for programs we need and that they are the right version
1023 dnl===-----------------------------------------------------------------------===
1028 dnl Check for the tools that the makefiles require
1031 AC_PATH_PROG(CMP, [cmp], [cmp])
1032 AC_PATH_PROG(CP, [cp], [cp])
1033 AC_PATH_PROG(DATE, [date], [date])
1034 AC_PATH_PROG(FIND, [find], [find])
1035 AC_PATH_PROG(GREP, [grep], [grep])
1036 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
1037 AC_PATH_PROG(MV, [mv], [mv])
1039 AC_CHECK_TOOL(AR, ar, false)
1040 AC_PATH_PROG(RM, [rm], [rm])
1041 AC_PATH_PROG(SED, [sed], [sed])
1042 AC_PATH_PROG(TAR, [tar], [gtar])
1043 AC_PATH_PROG(BINPWD,[pwd], [pwd])
1045 dnl Looking for misc. graph plotting software
1046 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
1047 if test "$GRAPHVIZ" != "echo Graphviz" ; then
1048 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
1049 dnl If we're targeting for mingw we should emit windows paths, not msys
1050 if test "$llvm_cv_os_type" = "MingW" ; then
1051 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1053 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1054 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1056 AC_PATH_PROG(DOT, [dot], [echo dot])
1057 if test "$DOT" != "echo dot" ; then
1058 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1059 dnl If we're targeting for mingw we should emit windows paths, not msys
1060 if test "$llvm_cv_os_type" = "MingW" ; then
1061 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1063 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1064 [Define to path to dot program if found or 'echo dot' otherwise])
1066 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1067 if test "$FDP" != "echo fdp" ; then
1068 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1069 dnl If we're targeting for mingw we should emit windows paths, not msys
1070 if test "$llvm_cv_os_type" = "MingW" ; then
1071 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1073 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1074 [Define to path to fdp program if found or 'echo fdp' otherwise])
1076 AC_PATH_PROG(NEATO, [neato], [echo neato])
1077 if test "$NEATO" != "echo neato" ; then
1078 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1079 dnl If we're targeting for mingw we should emit windows paths, not msys
1080 if test "$llvm_cv_os_type" = "MingW" ; then
1081 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1083 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1084 [Define to path to neato program if found or 'echo neato' otherwise])
1086 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1087 if test "$TWOPI" != "echo twopi" ; then
1088 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1089 dnl If we're targeting for mingw we should emit windows paths, not msys
1090 if test "$llvm_cv_os_type" = "MingW" ; then
1091 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1093 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1094 [Define to path to twopi program if found or 'echo twopi' otherwise])
1096 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1097 if test "$CIRCO" != "echo circo" ; then
1098 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1099 dnl If we're targeting for mingw we should emit windows paths, not msys
1100 if test "$llvm_cv_os_type" = "MingW" ; then
1101 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1103 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1104 [Define to path to circo program if found or 'echo circo' otherwise])
1106 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1107 if test "$GV" != "echo gv" ; then
1108 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1109 dnl If we're targeting for mingw we should emit windows paths, not msys
1110 if test "$llvm_cv_os_type" = "MingW" ; then
1111 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1113 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1114 [Define to path to gv program if found or 'echo gv' otherwise])
1116 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1117 if test "$DOTTY" != "echo dotty" ; then
1118 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1119 dnl If we're targeting for mingw we should emit windows paths, not msys
1120 if test "$llvm_cv_os_type" = "MingW" ; then
1121 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1123 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1124 [Define to path to dotty program if found or 'echo dotty' otherwise])
1126 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1127 if test "$XDOT_PY" != "echo xdot.py" ; then
1128 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1129 dnl If we're targeting for mingw we should emit windows paths, not msys
1130 if test "$llvm_cv_os_type" = "MingW" ; then
1131 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1133 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1134 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1137 dnl Find the install program
1139 dnl Prepend src dir to install path dir if it's a relative path
1140 dnl This is a hack for installs that take place in something other
1141 dnl than the top level.
1143 [[\\/$]]* | ?:[[\\/]]* ) ;;
1144 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1147 dnl Checks for documentation and testing tools that we can do without. If these
1148 dnl are not found then they are set to "true" which always succeeds but does
1149 dnl nothing. This just lets the build output show that we could have done
1150 dnl something if the tool was available.
1151 AC_PATH_PROG(BZIP2, [bzip2])
1152 AC_PATH_PROG(CAT, [cat])
1153 AC_PATH_PROG(DOXYGEN, [doxygen])
1154 AC_PATH_PROG(GROFF, [groff])
1155 AC_PATH_PROG(GZIPBIN, [gzip])
1156 AC_PATH_PROG(PDFROFF, [pdfroff])
1157 AC_PATH_PROG(ZIP, [zip])
1158 AC_PATH_PROGS(OCAMLC, [ocamlc])
1159 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1160 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1161 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1162 AC_PATH_PROGS(GAS, [gas as])
1164 dnl Get the version of the linker in use.
1167 dnl Determine whether the linker supports the -R option.
1170 dnl Determine whether the linker supports the -export-dynamic option.
1171 AC_LINK_EXPORT_DYNAMIC
1173 dnl Determine whether the linker supports the --version-script option.
1174 AC_LINK_VERSION_SCRIPT
1176 dnl Check for libtool and the library that has dlopen function (which must come
1177 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1182 AC_MSG_CHECKING([tool compatibility])
1184 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1185 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1186 dnl to support those options.
1187 dnl "icc" emits gcc signatures
1188 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1200 if test "$GCC" != "yes" && test "$ICC" != "yes"
1202 AC_MSG_ERROR([gcc|icc required but not found])
1205 dnl Ensure that compilation tools are compatible with GCC extensions
1206 if test "$GXX" != "yes" && test "$IXX" != "yes"
1208 AC_MSG_ERROR([g++|clang++|icc required but not found])
1211 dnl Verify that GCC is version 3.0 or higher
1212 if test "$GCC" = "yes"
1214 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1215 #error Unsupported GCC version
1217 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1220 dnl Check for GNU Make. We use its extensions, so don't build without it
1221 if test -z "$llvm_cv_gnu_make_command"
1223 AC_MSG_ERROR([GNU Make required but not found])
1226 dnl Tool compatibility is okay if we make it here.
1229 dnl Check optional compiler flags.
1230 AC_MSG_CHECKING([optional compiler flags])
1231 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1232 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1233 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1234 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1236 dnl===-----------------------------------------------------------------------===
1238 dnl=== SECTION 5: Check for libraries
1240 dnl===-----------------------------------------------------------------------===
1243 if test "$llvm_cv_os_type" = "MingW" ; then
1244 AC_CHECK_LIB(imagehlp, main)
1245 AC_CHECK_LIB(psapi, main)
1248 dnl dlopen() is required for plugin support.
1249 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1250 [Define if dlopen() is available on this platform.]),
1251 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1253 dnl libffi is optional; used to call external functions from the interpreter
1254 if test "$llvm_cv_enable_libffi" = "yes" ; then
1255 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1256 [Define if libffi is available on this platform.]),
1257 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1260 dnl mallinfo is optional; the code can compile (minus features) without it
1261 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1262 [Define if mallinfo() is available on this platform.]))
1264 dnl pthread locking functions are optional - but llvm will not be thread-safe
1266 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1267 AC_CHECK_LIB(pthread, pthread_mutex_init)
1268 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1269 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1270 [Have pthread_mutex_lock]))
1271 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1272 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1273 [Have pthread_rwlock_init]))
1274 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1275 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1276 [Have pthread_getspecific]))
1279 dnl Allow extra x86-disassembler library
1281 AS_HELP_STRING([--with-udis86=<path>],
1282 [Use udis86 external x86 disassembler library]),
1284 AC_SUBST(USE_UDIS86, [1])
1287 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1289 AC_CHECK_LIB(udis86, ud_init, [], [
1290 echo "Error! You need to have libudis86 around."
1294 AC_SUBST(USE_UDIS86, [0]))
1295 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1296 [Define if use udis86 library])
1298 dnl Allow OProfile support for JIT output.
1299 AC_ARG_WITH(oprofile,
1300 AS_HELP_STRING([--with-oprofile=<prefix>],
1301 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1303 AC_SUBST(USE_OPROFILE, [1])
1305 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1307 AC_SUBST(USE_OPROFILE, [0]) ;;
1308 *) llvm_cv_oppath="${withval}/lib/oprofile"
1309 CPPFLAGS="-I${withval}/include";;
1311 case $llvm_cv_os_type in
1313 if test -n "$llvm_cv_oppath" ; then
1314 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1315 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1316 dnl libbfd is not included properly in libopagent in some Debian
1317 dnl versions. If libbfd isn't found at all, we assume opagent works
1319 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1320 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1321 echo "Error! You need to have libopagent around."
1324 AC_CHECK_HEADER([opagent.h], [], [
1325 echo "Error! You need to have opagent.h around."
1330 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1334 AC_SUBST(USE_OPROFILE, [0])
1336 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1337 [Define if we have the oprofile JIT-support library])
1339 dnl Enable support for Intel JIT Events API.
1340 AC_ARG_WITH(intel-jitevents,
1341 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1344 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1345 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1346 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1349 case $llvm_cv_os_type in
1350 Linux|Win32|Cygwin|MingW) ;;
1351 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1354 case "$llvm_cv_target_arch" in
1356 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1360 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1362 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1363 [Define if we have the Intel JIT API runtime support library])
1365 dnl Check for libxml2
1366 dnl Right now we're just checking for the existence, we could also check for a
1367 dnl particular version via --version on xml2-config
1368 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1370 AC_MSG_CHECKING(for libxml2 includes)
1371 if test "x$XML2CONFIG" = "x"; then
1372 AC_MSG_RESULT(xml2-config not found)
1374 LIBXML2_INC=`$XML2CONFIG --cflags`
1375 AC_MSG_RESULT($LIBXML2_INC)
1376 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1377 LIBXML2_LIBS="-lxml2"])
1379 AC_SUBST(LIBXML2_LIBS)
1380 AC_SUBST(LIBXML2_INC)
1382 dnl===-----------------------------------------------------------------------===
1384 dnl=== SECTION 6: Check for header files
1386 dnl===-----------------------------------------------------------------------===
1388 dnl First, use autoconf provided macros for specific headers that we need
1389 dnl We don't check for ancient stuff or things that are guaranteed to be there
1390 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1391 dnl Generally we're looking for POSIX headers.
1393 AC_HEADER_MMAP_ANONYMOUS
1398 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1399 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1400 AC_CHECK_HEADERS([utime.h windows.h])
1401 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1402 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1403 AC_CHECK_HEADERS([valgrind/valgrind.h])
1404 AC_CHECK_HEADERS([fenv.h])
1405 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1406 AC_CHECK_HEADERS(pthread.h,
1407 AC_SUBST(HAVE_PTHREAD, 1),
1408 AC_SUBST(HAVE_PTHREAD, 0))
1410 AC_SUBST(HAVE_PTHREAD, 0)
1413 dnl Try to find ffi.h.
1414 if test "$llvm_cv_enable_libffi" = "yes" ; then
1415 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1418 dnl Try to find Darwin specific crash reporting libraries.
1419 AC_CHECK_HEADERS([CrashReporterClient.h])
1421 dnl Try to find Darwin specific crash reporting global.
1422 AC_MSG_CHECKING([__crashreporter_info__])
1425 [[extern const char *__crashreporter_info__;
1427 __crashreporter_info__ = "test";
1432 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1434 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1435 Define if __crashreporter_info__ exists.))
1437 dnl===-----------------------------------------------------------------------===
1439 dnl=== SECTION 7: Check for types and structures
1441 dnl===-----------------------------------------------------------------------===
1446 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1448 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1449 AC_CHECK_TYPES([uint64_t],,
1450 AC_CHECK_TYPES([u_int64_t],,
1451 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1453 dnl===-----------------------------------------------------------------------===
1455 dnl=== SECTION 8: Check for specific functions needed
1457 dnl===-----------------------------------------------------------------------===
1459 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1460 AC_CHECK_FUNCS([powf fmodf strtof round ])
1461 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1462 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1463 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1464 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1465 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1466 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1470 dnl Check the declaration "Secure API" on Windows environments.
1471 AC_CHECK_DECLS([strerror_s])
1473 dnl Check symbols in libgcc.a for JIT on Mingw.
1474 if test "$llvm_cv_os_type" = "MingW" ; then
1475 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1476 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1477 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1478 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1480 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1481 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1482 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1483 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1484 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1485 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1486 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1487 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1488 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1489 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1491 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1492 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1495 dnl Check Win32 API EnumerateLoadedModules.
1496 if test "$llvm_cv_os_type" = "MingW" ; then
1497 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1498 AC_COMPILE_IFELSE([[#include <windows.h>
1499 #include <imagehlp.h>
1500 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1501 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1503 AC_MSG_RESULT([yes])
1504 llvm_cv_win32_elmcb_pcstr="PCSTR"
1508 llvm_cv_win32_elmcb_pcstr="PSTR"
1510 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1513 dnl Check for variations in the Standard C++ library and STL. These macros are
1514 dnl provided by LLVM in the autoconf/m4 directory.
1518 dnl Check for mmap support.We also need to know if /dev/zero is required to
1519 dnl be opened for allocating RWX memory.
1520 dnl Make sure we aren't attempting to configure for an unknown system
1521 if test "$llvm_cv_platform_type" = "Unix" ; then
1524 AC_NEED_DEV_ZERO_FOR_MMAP
1526 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1528 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1530 if test "$ac_cv_func_mmap_file" = "no"
1532 AC_MSG_WARN([mmap() of files required but not found])
1536 dnl atomic builtins are required for threading support.
1537 AC_MSG_CHECKING(for GCC atomic builtins)
1538 dnl Since we'll be using these atomic builtins in C++ files we should test
1539 dnl the C++ compiler.
1544 volatile unsigned long val = 1;
1545 __sync_synchronize();
1546 __sync_val_compare_and_swap(&val, 1, 0);
1547 __sync_add_and_fetch(&val, 1);
1548 __sync_sub_and_fetch(&val, 1);
1554 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1556 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1557 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1559 dnl===-----------------------------------------------------------------------===
1561 dnl=== SECTION 9: Additional checks, variables, etc.
1563 dnl===-----------------------------------------------------------------------===
1565 dnl Handle 32-bit linux systems running a 64-bit kernel.
1566 dnl This has to come after section 4 because it invokes the compiler.
1567 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1569 if test "$llvm_cv_linux_mixed" = "yes"; then
1570 llvm_cv_target_arch="x86"
1575 dnl Check whether __dso_handle is present
1576 AC_CHECK_FUNCS([__dso_handle])
1578 dnl Propagate the shared library extension that the libltdl checks did to
1579 dnl the Makefiles so we can use it there too
1580 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1582 dnl Propagate the run-time library path variable that the libltdl
1583 dnl checks found to the Makefiles so we can use it there too
1584 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1586 dnl Translate the various configuration directories and other basic
1587 dnl information into substitutions that will end up in Makefile.config.in
1588 dnl that these configured values can be used by the makefiles
1589 if test "${prefix}" = "NONE" ; then
1592 eval LLVM_PREFIX="${prefix}";
1593 eval LLVM_BINDIR="${prefix}/bin";
1594 eval LLVM_LIBDIR="${prefix}/lib";
1595 eval LLVM_DATADIR="${prefix}/share/llvm";
1596 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1597 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1598 eval LLVM_INCLUDEDIR="${prefix}/include";
1599 eval LLVM_INFODIR="${prefix}/info";
1600 eval LLVM_MANDIR="${prefix}/man";
1601 LLVM_CONFIGTIME=`date`
1602 AC_SUBST(LLVM_PREFIX)
1603 AC_SUBST(LLVM_BINDIR)
1604 AC_SUBST(LLVM_LIBDIR)
1605 AC_SUBST(LLVM_DATADIR)
1606 AC_SUBST(LLVM_DOCSDIR)
1607 AC_SUBST(LLVM_ETCDIR)
1608 AC_SUBST(LLVM_INCLUDEDIR)
1609 AC_SUBST(LLVM_INFODIR)
1610 AC_SUBST(LLVM_MANDIR)
1611 AC_SUBST(LLVM_CONFIGTIME)
1613 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1614 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1615 LLVM_CONFIGTIME="(timestamp not enabled)"
1618 dnl Place the various directories into the config.h file as #defines so that we
1619 dnl can know about the installation paths within LLVM.
1620 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1621 [Installation prefix directory])
1622 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1623 [Installation directory for binary executables])
1624 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1625 [Installation directory for libraries])
1626 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1627 [Installation directory for data files])
1628 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1629 [Installation directory for documentation])
1630 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1631 [Installation directory for config files])
1632 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1633 [Installation directory for include files])
1634 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1635 [Installation directory for .info files])
1636 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1637 [Installation directory for man pages])
1638 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1639 [Time at which LLVM was configured])
1640 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1641 [Host triple LLVM will be executed on])
1642 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1643 [Target triple LLVM will generate code for by default])
1645 dnl Determine which bindings to build.
1646 if test "$BINDINGS_TO_BUILD" = auto ; then
1647 BINDINGS_TO_BUILD=""
1648 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1649 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1652 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1654 dnl This isn't really configurey, but it avoids having to repeat the list in
1656 AC_SUBST(ALL_BINDINGS,ocaml)
1658 dnl Do any work necessary to ensure that bindings have what they need.
1659 binding_prereqs_failed=0
1660 for a_binding in $BINDINGS_TO_BUILD ; do
1661 case "$a_binding" in
1663 if test "x$OCAMLC" = x ; then
1664 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1665 binding_prereqs_failed=1
1667 if test "x$OCAMLDEP" = x ; then
1668 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1669 binding_prereqs_failed=1
1671 if test "x$OCAMLOPT" = x ; then
1672 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1673 dnl ocamlopt is optional!
1675 if test "x$with_ocaml_libdir" != xauto ; then
1676 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1678 ocaml_stdlib="`"$OCAMLC" -where`"
1679 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1681 # ocaml stdlib is beneath our prefix; use stdlib
1682 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1684 # ocaml stdlib is outside our prefix; use libdir/ocaml
1685 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1691 if test "$binding_prereqs_failed" = 1 ; then
1692 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1695 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1696 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1698 dnl Determine linker rpath flag
1699 if test "$llvm_cv_link_use_r" = "yes" ; then
1706 dnl Determine linker rdynamic flag
1707 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1708 RDYNAMIC="-Wl,-export-dynamic"
1714 dnl===-----------------------------------------------------------------------===
1716 dnl=== SECTION 10: Specify the output files and generate it
1718 dnl===-----------------------------------------------------------------------===
1720 dnl Configure header files
1721 dnl WARNING: dnl If you add or remove any of the following config headers, then
1722 dnl you MUST also update Makefile so that the variable FilesToConfig
1723 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1724 dnl files can be updated automatically when their *.in sources change.
1725 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1726 AH_TOP([#ifndef CONFIG_H
1730 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1731 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1732 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1733 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1734 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1736 dnl Configure the makefile's configuration data
1737 AC_CONFIG_FILES([Makefile.config])
1739 dnl Configure the RPM spec file for LLVM
1740 AC_CONFIG_FILES([llvm.spec])
1742 dnl Configure doxygen's configuration file
1743 AC_CONFIG_FILES([docs/doxygen.cfg])
1745 dnl Configure clang, if present
1746 if test "${clang_src_root}" = ""; then
1747 clang_src_root="$srcdir/tools/clang"
1749 if test -f ${clang_src_root}/README.txt; then
1750 dnl Use variables to stay under 80 columns.
1751 configh="include/clang/Config/config.h"
1752 doxy="docs/doxygen.cfg"
1753 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1754 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1757 dnl OCaml findlib META file
1758 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1760 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
1761 test "x$program_prefix" = "xNONE" && program_prefix=""
1762 AC_SUBST([program_prefix])
1765 dnl Do special configuration of Makefiles
1766 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1767 AC_CONFIG_MAKEFILE(Makefile)
1768 AC_CONFIG_MAKEFILE(Makefile.common)
1769 AC_CONFIG_MAKEFILE(examples/Makefile)
1770 AC_CONFIG_MAKEFILE(lib/Makefile)
1771 AC_CONFIG_MAKEFILE(runtime/Makefile)
1772 AC_CONFIG_MAKEFILE(test/Makefile)
1773 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1774 AC_CONFIG_MAKEFILE(unittests/Makefile)
1775 AC_CONFIG_MAKEFILE(tools/Makefile)
1776 AC_CONFIG_MAKEFILE(utils/Makefile)
1777 AC_CONFIG_MAKEFILE(projects/Makefile)
1778 AC_CONFIG_MAKEFILE(bindings/Makefile)
1779 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1781 dnl Finally, crank out the output