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],[3.2svn],[http://llvm.org/bugs/])
35 AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API])
36 AC_DEFINE([LLVM_VERSION_MINOR], [2], [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) 2003-2012 University of Illinois at Urbana-Champaign."])
41 AC_COPYRIGHT([Copyright (c) 2003-2012 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/VMCore/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 $llvm_cv_platform_type in
345 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
346 AC_SUBST(LLVM_ON_UNIX,[1])
347 AC_SUBST(LLVM_ON_WIN32,[0])
350 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
351 AC_SUBST(LLVM_ON_UNIX,[0])
352 AC_SUBST(LLVM_ON_WIN32,[1])
356 dnl Determine what our target architecture is and configure accordingly.
357 dnl This will allow Makefiles to make a distinction between the hardware and
359 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
361 i?86-*) llvm_cv_target_arch="x86" ;;
362 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
363 sparc*-*) llvm_cv_target_arch="Sparc" ;;
364 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
365 arm*-*) llvm_cv_target_arch="ARM" ;;
366 mips-*) llvm_cv_target_arch="Mips" ;;
367 mipsel-*) llvm_cv_target_arch="Mips" ;;
368 xcore-*) llvm_cv_target_arch="XCore" ;;
369 msp430-*) llvm_cv_target_arch="MSP430" ;;
370 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
371 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
372 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
373 *) llvm_cv_target_arch="Unknown" ;;
376 if test "$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,$llvm_cv_target_arch)
390 dnl Determine what our host architecture.
391 dnl This will allow MCJIT regress tests runs only for supported
394 i?86-*) host_arch="x86" ;;
395 amd64-* | x86_64-*) host_arch="x86_64" ;;
396 sparc*-*) host_arch="Sparc" ;;
397 powerpc*-*) host_arch="PowerPC" ;;
398 arm*-*) host_arch="ARM" ;;
399 mips-*) host_arch="Mips" ;;
400 mipsel-*) host_arch="Mips" ;;
401 xcore-*) host_arch="XCore" ;;
402 msp430-*) host_arch="MSP430" ;;
403 hexagon-*) host_arch="Hexagon" ;;
404 mblaze-*) host_arch="MBlaze" ;;
405 *) host_arch="Unknown" ;;
408 if test "$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 "${srcdir}/.git"; then
442 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
448 dnl===-----------------------------------------------------------------------===
450 dnl=== SECTION 3: Command line arguments for the configure script.
452 dnl===-----------------------------------------------------------------------===
454 dnl --enable-libcpp : check whether or not to use libc++ on the command line
455 AC_ARG_ENABLE(libcpp,
456 AS_HELP_STRING([--enable-libcpp],
457 [Use libc++ if available (default is NO)]),,
460 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
461 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
462 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
463 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
466 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
468 AS_HELP_STRING([--enable-cxx11],
469 [Use c++11 if available (default is NO)]),,
472 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
473 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
474 default) AC_SUBST(ENABLE_CXX11,[0]);;
475 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
478 dnl --enable-optimized : check whether they want to do an optimized build:
479 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
480 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
481 if test ${enableval} = "no" ; then
482 AC_SUBST(ENABLE_OPTIMIZED,[[]])
484 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
487 dnl --enable-profiling : check whether they want to do a profile build:
488 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
489 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
490 if test ${enableval} = "no" ; then
491 AC_SUBST(ENABLE_PROFILING,[[]])
493 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
496 dnl --enable-assertions : check whether they want to turn on assertions or not:
497 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
498 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
499 if test ${enableval} = "yes" ; then
500 AC_SUBST(DISABLE_ASSERTIONS,[[]])
502 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
505 dnl --enable-werror : check whether we want Werror on by default
506 AC_ARG_ENABLE(werror,AS_HELP_STRING(
507 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
509 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
510 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
511 default) AC_SUBST(ENABLE_WERROR,[0]);;
512 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
515 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
516 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
517 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
518 if test ${enableval} = "yes" ; then
519 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
520 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
522 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
523 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
526 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
527 AC_ARG_ENABLE(debug-runtime,
528 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
529 if test ${enableval} = "no" ; then
530 AC_SUBST(DEBUG_RUNTIME,[[]])
532 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
535 dnl --enable-debug-symbols : should even optimized compiler libraries
536 dnl have debug symbols?
537 AC_ARG_ENABLE(debug-symbols,
538 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)
539 if test ${enableval} = "no" ; then
540 AC_SUBST(DEBUG_SYMBOLS,[[]])
542 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
545 dnl --enable-keep-symbols : do not strip installed executables
546 AC_ARG_ENABLE(keep-symbols,
547 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
548 if test ${enableval} = "no" ; then
549 AC_SUBST(KEEP_SYMBOLS,[[]])
551 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
554 dnl --enable-jit: check whether they want to enable the jit
556 AS_HELP_STRING(--enable-jit,
557 [Enable Just In Time Compiling (default is YES)]),,
559 if test ${enableval} = "no"
563 case "$llvm_cv_target_arch" in
564 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
565 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
566 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
567 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
568 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
569 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
570 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
571 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
572 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
573 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
574 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
575 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
579 dnl Allow enablement of building and installing docs
581 AS_HELP_STRING([--enable-docs],
582 [Build documents (default is YES)]),,
585 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
586 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
587 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
588 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
591 dnl Allow enablement of doxygen generated documentation
592 AC_ARG_ENABLE(doxygen,
593 AS_HELP_STRING([--enable-doxygen],
594 [Build doxygen documentation (default is NO)]),,
597 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
598 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
599 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
600 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
603 dnl Allow disablement of threads
604 AC_ARG_ENABLE(threads,
605 AS_HELP_STRING([--enable-threads],
606 [Use threads if available (default is YES)]),,
609 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
610 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
611 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
612 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
614 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
615 [Define if threads enabled])
617 dnl Allow disablement of pthread.h
618 AC_ARG_ENABLE(pthreads,
619 AS_HELP_STRING([--enable-pthreads],
620 [Use pthreads if available (default is YES)]),,
623 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
624 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
625 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
626 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
629 dnl Allow building without position independent code
631 AS_HELP_STRING([--enable-pic],
632 [Build LLVM with Position Independent Code (default is YES)]),,
635 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
636 no) AC_SUBST(ENABLE_PIC,[0]) ;;
637 default) AC_SUBST(ENABLE_PIC,[1]) ;;
638 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
640 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
641 [Define if position independent code is enabled])
643 dnl Allow building a shared library and linking tools against it.
644 AC_ARG_ENABLE(shared,
645 AS_HELP_STRING([--enable-shared],
646 [Build a shared library and link tools against it (default is NO)]),,
649 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
650 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
651 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
652 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
655 dnl Allow libstdc++ is embedded in LLVM.dll.
656 AC_ARG_ENABLE(embed-stdcxx,
657 AS_HELP_STRING([--enable-embed-stdcxx],
658 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
661 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
662 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
663 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
664 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
667 dnl Enable embedding timestamp information into build.
668 AC_ARG_ENABLE(timestamps,
669 AS_HELP_STRING([--enable-timestamps],
670 [Enable embedding timestamp information in build (default is YES)]),,
673 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
674 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
675 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
676 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
678 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
679 [Define if timestamp information (e.g., __DATE__) is allowed])
681 dnl Enable embedding timestamp information into build.
683 AC_ARG_ENABLE(backtraces,
684 AS_HELP_STRING([--enable-backtraces],
685 [Enable embedding backtraces on crash (default is YES)]),,
688 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
689 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
690 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
691 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
693 AC_DEFINE_UNQUOTED([ENABLE_BACKTRACES],$ENABLE_BACKTRACES,
694 [Define if you want backtraces on crash])
696 dnl Allow specific targets to be specified for building (or not)
698 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
699 [Build specific host targets: all or target1,target2,... Valid targets are:
700 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
701 xcore, msp430, nvptx, and cpp (default=all)]),,
703 if test "$enableval" = host-only ; then
707 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;;
708 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
710 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
711 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
712 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
713 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
714 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
715 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
716 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
717 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
718 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
719 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
720 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
721 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
722 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
723 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
724 host) case "$llvm_cv_target_arch" in
725 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
726 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
727 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
728 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
729 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
730 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
731 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
732 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
733 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
734 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
735 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
736 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
737 *) AC_MSG_ERROR([Can not set target to build]) ;;
739 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
745 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
746 [Build experimental host targets: disable or target1,target2,...
747 (default=disable)]),,
750 if test ${enableval} != "disable"
752 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
755 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
757 dnl Determine whether we are building LLVM support for the native architecture.
758 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
759 for a_target in $TARGETS_TO_BUILD; do
760 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
761 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
762 [LLVM architecture name for the native architecture, if available])
763 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
764 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
765 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
766 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
767 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
768 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
770 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
771 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
773 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
774 [LLVM name for the native Target init function, if available])
775 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
776 [LLVM name for the native TargetInfo init function, if available])
777 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
778 [LLVM name for the native target MC init function, if available])
779 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
780 [LLVM name for the native AsmPrinter init function, if available])
781 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
782 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
783 [LLVM name for the native AsmParser init function, if available])
785 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
786 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
787 [LLVM name for the native Disassembler init function, if available])
792 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
793 dnl target feature def files.
795 LLVM_ENUM_ASM_PRINTERS=""
796 LLVM_ENUM_ASM_PARSERS=""
797 LLVM_ENUM_DISASSEMBLERS=""
798 for target_to_build in $TARGETS_TO_BUILD; do
799 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
800 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
801 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
803 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
804 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
806 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
807 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
810 AC_SUBST(LLVM_ENUM_TARGETS)
811 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
812 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
813 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
815 dnl Override the option to use for optimized builds.
816 AC_ARG_WITH(optimize-option,
817 AS_HELP_STRING([--with-optimize-option],
818 [Select the compiler options to use for optimized builds]),,
820 AC_MSG_CHECKING([optimization flags])
823 case "$llvm_cv_os_type" in
824 FreeBSD) optimize_option=-O2 ;;
825 MingW) optimize_option=-O2 ;;
826 *) optimize_option=-O3 ;;
828 *) optimize_option="$withval" ;;
830 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
831 AC_MSG_RESULT([$optimize_option])
833 dnl Specify extra build options
834 AC_ARG_WITH(extra-options,
835 AS_HELP_STRING([--with-extra-options],
836 [Specify additional options to compile LLVM with]),,
839 default) EXTRA_OPTIONS= ;;
840 *) EXTRA_OPTIONS=$withval ;;
842 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
844 dnl Specify extra linker build options
845 AC_ARG_WITH(extra-ld-options,
846 AS_HELP_STRING([--with-extra-ld-options],
847 [Specify additional options to link LLVM with]),,
850 default) EXTRA_LD_OPTIONS= ;;
851 *) EXTRA_LD_OPTIONS=$withval ;;
853 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
855 dnl Allow specific bindings to be specified for building (or not)
856 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
857 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
861 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
862 all ) BINDINGS_TO_BUILD="ocaml" ;;
863 none | no) BINDINGS_TO_BUILD="" ;;
864 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
866 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
867 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
873 dnl Allow the ocaml libdir to be overridden. This could go in a configure
874 dnl script for bindings/ocaml/configure, except that its auto value depends on
875 dnl OCAMLC, which is found here to support tests.
876 AC_ARG_WITH([ocaml-libdir],
877 [AS_HELP_STRING([--with-ocaml-libdir],
878 [Specify install location for ocaml bindings (default is stdlib)])],
882 auto) with_ocaml_libdir="$withval" ;;
883 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
884 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
887 AC_ARG_WITH(clang-srcdir,
888 AS_HELP_STRING([--with-clang-srcdir],
889 [Directory to the out-of-tree Clang source]),,
892 -) clang_src_root="" ;;
893 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
894 *) clang_src_root="$ac_pwd/$withval" ;;
896 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
898 AC_ARG_WITH(clang-resource-dir,
899 AS_HELP_STRING([--with-clang-resource-dir],
900 [Relative directory from the Clang binary for resource files]),,
902 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
903 [Relative directory for resource files])
905 AC_ARG_WITH(c-include-dirs,
906 AS_HELP_STRING([--with-c-include-dirs],
907 [Colon separated list of directories clang will search for headers]),,
909 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
910 [Directories clang will search for headers])
912 # Clang normally uses the system c++ headers and libraries. With this option,
913 # clang will use the ones provided by a gcc installation instead. This option should
914 # be passed the same value that was used with --prefix when configuring gcc.
915 AC_ARG_WITH(gcc-toolchain,
916 AS_HELP_STRING([--with-gcc-toolchain],
917 [Directory where gcc is installed.]),,
919 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
920 [Directory where gcc is installed.])
922 AC_ARG_WITH(default-sysroot,
923 AS_HELP_STRING([--with-default-sysroot],
924 [Add --sysroot=<path> to all compiler invocations.]),,
926 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
927 [Default <path> to all compiler invocations for --sysroot=<path>.])
929 dnl Allow linking of LLVM with GPLv3 binutils code.
930 AC_ARG_WITH(binutils-include,
931 AS_HELP_STRING([--with-binutils-include],
932 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
935 default) WITH_BINUTILS_INCDIR=default ;;
936 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
937 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
939 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
940 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
941 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
942 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
943 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
947 dnl Specify the URL where bug reports should be submitted.
948 AC_ARG_WITH(bug-report-url,
949 AS_HELP_STRING([--with-bug-report-url],
950 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
951 withval="http://llvm.org/bugs/")
952 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
955 dnl --enable-libffi : check whether the user wants to turn off libffi:
956 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
957 --enable-libffi,[Check for the presence of libffi (default is NO)]),
958 [case "$enableval" in
959 yes) llvm_cv_enable_libffi="yes" ;;
960 no) llvm_cv_enable_libffi="no" ;;
961 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
963 llvm_cv_enable_libffi=no)
965 AC_ARG_WITH(internal-prefix,
966 AS_HELP_STRING([--with-internal-prefix],
967 [Installation directory for internal files]),,
969 AC_SUBST(INTERNAL_PREFIX,[$withval])
971 dnl===-----------------------------------------------------------------------===
973 dnl=== SECTION 4: Check for programs we need and that they are the right version
975 dnl===-----------------------------------------------------------------------===
980 dnl Check for the tools that the makefiles require
983 AC_PATH_PROG(CMP, [cmp], [cmp])
984 AC_PATH_PROG(CP, [cp], [cp])
985 AC_PATH_PROG(DATE, [date], [date])
986 AC_PATH_PROG(FIND, [find], [find])
987 AC_PATH_PROG(GREP, [grep], [grep])
988 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
989 AC_PATH_PROG(MV, [mv], [mv])
991 AC_CHECK_TOOL(AR, ar, false)
992 AC_PATH_PROG(RM, [rm], [rm])
993 AC_PATH_PROG(SED, [sed], [sed])
994 AC_PATH_PROG(TAR, [tar], [gtar])
995 AC_PATH_PROG(BINPWD,[pwd], [pwd])
997 dnl Looking for misc. graph plotting software
998 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
999 if test "$GRAPHVIZ" != "echo Graphviz" ; then
1000 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
1001 dnl If we're targeting for mingw we should emit windows paths, not msys
1002 if test "$llvm_cv_os_type" = "MingW" ; then
1003 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1005 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1006 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1008 AC_PATH_PROG(DOT, [dot], [echo dot])
1009 if test "$DOT" != "echo dot" ; then
1010 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1011 dnl If we're targeting for mingw we should emit windows paths, not msys
1012 if test "$llvm_cv_os_type" = "MingW" ; then
1013 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1015 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1016 [Define to path to dot program if found or 'echo dot' otherwise])
1018 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1019 if test "$FDP" != "echo fdp" ; then
1020 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1021 dnl If we're targeting for mingw we should emit windows paths, not msys
1022 if test "$llvm_cv_os_type" = "MingW" ; then
1023 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1025 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1026 [Define to path to fdp program if found or 'echo fdp' otherwise])
1028 AC_PATH_PROG(NEATO, [neato], [echo neato])
1029 if test "$NEATO" != "echo neato" ; then
1030 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1031 dnl If we're targeting for mingw we should emit windows paths, not msys
1032 if test "$llvm_cv_os_type" = "MingW" ; then
1033 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1035 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1036 [Define to path to neato program if found or 'echo neato' otherwise])
1038 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1039 if test "$TWOPI" != "echo twopi" ; then
1040 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1041 dnl If we're targeting for mingw we should emit windows paths, not msys
1042 if test "$llvm_cv_os_type" = "MingW" ; then
1043 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1045 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1046 [Define to path to twopi program if found or 'echo twopi' otherwise])
1048 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1049 if test "$CIRCO" != "echo circo" ; then
1050 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1051 dnl If we're targeting for mingw we should emit windows paths, not msys
1052 if test "$llvm_cv_os_type" = "MingW" ; then
1053 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1055 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1056 [Define to path to circo program if found or 'echo circo' otherwise])
1058 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1059 if test "$GV" != "echo gv" ; then
1060 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1061 dnl If we're targeting for mingw we should emit windows paths, not msys
1062 if test "$llvm_cv_os_type" = "MingW" ; then
1063 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1065 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1066 [Define to path to gv program if found or 'echo gv' otherwise])
1068 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1069 if test "$DOTTY" != "echo dotty" ; then
1070 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1071 dnl If we're targeting for mingw we should emit windows paths, not msys
1072 if test "$llvm_cv_os_type" = "MingW" ; then
1073 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1075 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1076 [Define to path to dotty program if found or 'echo dotty' otherwise])
1078 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1079 if test "$XDOT_PY" != "echo xdot.py" ; then
1080 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1081 dnl If we're targeting for mingw we should emit windows paths, not msys
1082 if test "$llvm_cv_os_type" = "MingW" ; then
1083 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1085 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1086 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1089 dnl Find the install program
1091 dnl Prepend src dir to install path dir if it's a relative path
1092 dnl This is a hack for installs that take place in something other
1093 dnl than the top level.
1095 [[\\/$]]* | ?:[[\\/]]* ) ;;
1096 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1099 dnl Checks for documentation and testing tools that we can do without. If these
1100 dnl are not found then they are set to "true" which always succeeds but does
1101 dnl nothing. This just lets the build output show that we could have done
1102 dnl something if the tool was available.
1103 AC_PATH_PROG(BZIP2, [bzip2])
1104 AC_PATH_PROG(CAT, [cat])
1105 AC_PATH_PROG(DOXYGEN, [doxygen])
1106 AC_PATH_PROG(GROFF, [groff])
1107 AC_PATH_PROG(GZIPBIN, [gzip])
1108 AC_PATH_PROG(PDFROFF, [pdfroff])
1109 AC_PATH_PROG(ZIP, [zip])
1110 AC_PATH_PROGS(OCAMLC, [ocamlc])
1111 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1112 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1113 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1114 AC_PATH_PROGS(GAS, [gas as])
1116 dnl Get the version of the linker in use.
1119 dnl Determine whether the linker supports the -R option.
1122 dnl Determine whether the linker supports the -export-dynamic option.
1123 AC_LINK_EXPORT_DYNAMIC
1125 dnl Determine whether the linker supports the --version-script option.
1126 AC_LINK_VERSION_SCRIPT
1128 dnl Check for libtool and the library that has dlopen function (which must come
1129 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1134 AC_MSG_CHECKING([tool compatibility])
1136 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1137 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1138 dnl to support those options.
1139 dnl "icc" emits gcc signatures
1140 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1152 if test "$GCC" != "yes" && test "$ICC" != "yes"
1154 AC_MSG_ERROR([gcc|icc required but not found])
1157 dnl Ensure that compilation tools are compatible with GCC extensions
1158 if test "$GXX" != "yes" && test "$IXX" != "yes"
1160 AC_MSG_ERROR([g++|clang++|icc required but not found])
1163 dnl Verify that GCC is version 3.0 or higher
1164 if test "$GCC" = "yes"
1166 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1167 #error Unsupported GCC version
1169 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1172 dnl Check for GNU Make. We use its extensions, so don't build without it
1173 if test -z "$llvm_cv_gnu_make_command"
1175 AC_MSG_ERROR([GNU Make required but not found])
1178 dnl Tool compatibility is okay if we make it here.
1181 dnl Check optional compiler flags.
1182 AC_MSG_CHECKING([optional compiler flags])
1183 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1184 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1185 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1186 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1188 dnl===-----------------------------------------------------------------------===
1190 dnl=== SECTION 5: Check for libraries
1192 dnl===-----------------------------------------------------------------------===
1195 if test "$llvm_cv_os_type" = "MingW" ; then
1196 AC_CHECK_LIB(imagehlp, main)
1197 AC_CHECK_LIB(psapi, main)
1200 dnl dlopen() is required for plugin support.
1201 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1202 [Define if dlopen() is available on this platform.]),
1203 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1205 dnl libffi is optional; used to call external functions from the interpreter
1206 if test "$llvm_cv_enable_libffi" = "yes" ; then
1207 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1208 [Define if libffi is available on this platform.]),
1209 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1212 dnl mallinfo is optional; the code can compile (minus features) without it
1213 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1214 [Define if mallinfo() is available on this platform.]))
1216 dnl pthread locking functions are optional - but llvm will not be thread-safe
1218 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1219 AC_CHECK_LIB(pthread, pthread_mutex_init)
1220 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1221 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1222 [Have pthread_mutex_lock]))
1223 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1224 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1225 [Have pthread_rwlock_init]))
1226 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1227 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1228 [Have pthread_getspecific]))
1231 dnl Allow extra x86-disassembler library
1233 AS_HELP_STRING([--with-udis86=<path>],
1234 [Use udis86 external x86 disassembler library]),
1236 AC_SUBST(USE_UDIS86, [1])
1239 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1241 AC_CHECK_LIB(udis86, ud_init, [], [
1242 echo "Error! You need to have libudis86 around."
1246 AC_SUBST(USE_UDIS86, [0]))
1247 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1248 [Define if use udis86 library])
1250 dnl Allow OProfile support for JIT output.
1251 AC_ARG_WITH(oprofile,
1252 AS_HELP_STRING([--with-oprofile=<prefix>],
1253 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1255 AC_SUBST(USE_OPROFILE, [1])
1257 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1259 AC_SUBST(USE_OPROFILE, [0]) ;;
1260 *) llvm_cv_oppath="${withval}/lib/oprofile"
1261 CPPFLAGS="-I${withval}/include";;
1263 case $llvm_cv_os_type in
1265 if test -n "$llvm_cv_oppath" ; then
1266 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1267 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1268 dnl libbfd is not included properly in libopagent in some Debian
1269 dnl versions. If libbfd isn't found at all, we assume opagent works
1271 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1272 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1273 echo "Error! You need to have libopagent around."
1276 AC_CHECK_HEADER([opagent.h], [], [
1277 echo "Error! You need to have opagent.h around."
1282 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1286 AC_SUBST(USE_OPROFILE, [0])
1288 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1289 [Define if we have the oprofile JIT-support library])
1291 dnl Enable support for Intel JIT Events API.
1292 AC_ARG_WITH(intel-jitevents,
1293 AS_HELP_STRING([--with-intel-jitevents=<vtune-amplifier-dir>],
1294 [Specify location of run-time support library for Intel JIT API (default=/opt/intel/vtune_amplifier_xe_2011)]),
1296 case $llvm_cv_os_type in
1297 Linux|Win32|Cygwin|MingW) ;;
1300 Intel JIT API support is available on Linux and Windows only."]) ;;
1303 AC_SUBST(USE_INTEL_JITEVENTS, [1])
1304 case "$llvm_cv_target_arch" in
1305 x86) llvm_intel_jitevents_archdir="lib32";;
1306 x86_64) llvm_intel_jitevents_archdir="lib64";;
1307 *) echo "Target architecture $llvm_cv_target_arch does not support Intel JIT Events API"
1310 INTEL_JITEVENTS_INCDIR="/opt/intel/vtune_amplifier_xe_2011/include"
1311 INTEL_JITEVENTS_LIBDIR="/opt/intel/vtune_amplifier_xe_2011/$llvm_intel_jitevents_archdir"
1313 /* | [[A-Za-z]]:[[\\/]]*) INTEL_JITEVENTS_INCDIR=$withval/include
1314 INTEL_JITEVENTS_LIBDIR=$withval/$llvm_intel_jitevents_archdir ;;
1318 AC_SUBST(INTEL_JITEVENTS_INCDIR)
1319 AC_SUBST(INTEL_JITEVENTS_LIBDIR)
1321 LIBS="$LIBS -L${INTEL_JITEVENTS_LIBDIR}"
1322 CPPFLAGS="$CPPFLAGS -I$INTEL_JITEVENTS_INCDIR"
1324 AC_SEARCH_LIBS(iJIT_IsProfilingActive, jitprofiling, [], [
1325 echo "Error! Cannot find libjitprofiling.a. Please check path specified in flag --with-intel-jitevents"
1328 AC_CHECK_HEADER([jitprofiling.h], [], [
1329 echo "Error! Cannot find jitprofiling.h. Please check path specified in flag --with-intel-jitevents"
1335 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1337 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1338 [Define if we have the Intel JIT API runtime support library])
1340 dnl Check for libxml2
1341 dnl Right now we're just checking for the existence, we could also check for a
1342 dnl particular version via --version on xml2-config
1343 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1345 AC_MSG_CHECKING(for libxml2 includes)
1346 if test "x$XML2CONFIG" = "x"; then
1347 AC_MSG_RESULT(xml2-config not found)
1349 LIBXML2_INC=`$XML2CONFIG --cflags`
1350 AC_MSG_RESULT($LIBXML2_INC)
1351 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1352 LIBXML2_LIBS="-lxml2"])
1354 AC_SUBST(LIBXML2_LIBS)
1355 AC_SUBST(LIBXML2_INC)
1357 dnl===-----------------------------------------------------------------------===
1359 dnl=== SECTION 6: Check for header files
1361 dnl===-----------------------------------------------------------------------===
1363 dnl First, use autoconf provided macros for specific headers that we need
1364 dnl We don't check for ancient stuff or things that are guaranteed to be there
1365 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1366 dnl Generally we're looking for POSIX headers.
1368 AC_HEADER_MMAP_ANONYMOUS
1373 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1374 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1375 AC_CHECK_HEADERS([utime.h windows.h])
1376 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1377 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1378 AC_CHECK_HEADERS([valgrind/valgrind.h])
1379 AC_CHECK_HEADERS([fenv.h])
1380 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1381 AC_CHECK_HEADERS(pthread.h,
1382 AC_SUBST(HAVE_PTHREAD, 1),
1383 AC_SUBST(HAVE_PTHREAD, 0))
1385 AC_SUBST(HAVE_PTHREAD, 0)
1388 dnl Try to find ffi.h.
1389 if test "$llvm_cv_enable_libffi" = "yes" ; then
1390 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1393 dnl Try to find Darwin specific crash reporting libraries.
1394 AC_CHECK_HEADERS([CrashReporterClient.h])
1396 dnl Try to find Darwin specific crash reporting global.
1397 AC_MSG_CHECKING([__crashreporter_info__])
1400 [[extern const char *__crashreporter_info__;
1402 __crashreporter_info__ = "test";
1407 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1409 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1410 Define if __crashreporter_info__ exists.))
1412 dnl===-----------------------------------------------------------------------===
1414 dnl=== SECTION 7: Check for types and structures
1416 dnl===-----------------------------------------------------------------------===
1421 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1423 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1424 AC_CHECK_TYPES([uint64_t],,
1425 AC_CHECK_TYPES([u_int64_t],,
1426 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1428 dnl===-----------------------------------------------------------------------===
1430 dnl=== SECTION 8: Check for specific functions needed
1432 dnl===-----------------------------------------------------------------------===
1434 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1435 AC_CHECK_FUNCS([powf fmodf strtof round ])
1436 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1437 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1438 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1439 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1440 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1441 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1445 dnl Check the declaration "Secure API" on Windows environments.
1446 AC_CHECK_DECLS([strerror_s])
1448 dnl Check symbols in libgcc.a for JIT on Mingw.
1449 if test "$llvm_cv_os_type" = "MingW" ; then
1450 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1451 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1452 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1453 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1455 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1456 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1457 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1458 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1459 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1460 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1461 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1462 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1463 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1464 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1466 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1467 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1470 dnl Check Win32 API EnumerateLoadedModules.
1471 if test "$llvm_cv_os_type" = "MingW" ; then
1472 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1473 AC_COMPILE_IFELSE([[#include <windows.h>
1474 #include <imagehlp.h>
1475 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1476 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1478 AC_MSG_RESULT([yes])
1479 llvm_cv_win32_elmcb_pcstr="PCSTR"
1483 llvm_cv_win32_elmcb_pcstr="PSTR"
1485 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1488 dnl Check for variations in the Standard C++ library and STL. These macros are
1489 dnl provided by LLVM in the autoconf/m4 directory.
1493 dnl Check for mmap support.We also need to know if /dev/zero is required to
1494 dnl be opened for allocating RWX memory.
1495 dnl Make sure we aren't attempting to configure for an unknown system
1496 if test "$llvm_cv_platform_type" = "Unix" ; then
1499 AC_NEED_DEV_ZERO_FOR_MMAP
1501 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1503 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1505 if test "$ac_cv_func_mmap_file" = "no"
1507 AC_MSG_WARN([mmap() of files required but not found])
1511 dnl atomic builtins are required for threading support.
1512 AC_MSG_CHECKING(for GCC atomic builtins)
1513 dnl Since we'll be using these atomic builtins in C++ files we should test
1514 dnl the C++ compiler.
1519 volatile unsigned long val = 1;
1520 __sync_synchronize();
1521 __sync_val_compare_and_swap(&val, 1, 0);
1522 __sync_add_and_fetch(&val, 1);
1523 __sync_sub_and_fetch(&val, 1);
1529 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1531 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1532 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1534 dnl===-----------------------------------------------------------------------===
1536 dnl=== SECTION 9: Additional checks, variables, etc.
1538 dnl===-----------------------------------------------------------------------===
1540 dnl Handle 32-bit linux systems running a 64-bit kernel.
1541 dnl This has to come after section 4 because it invokes the compiler.
1542 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1544 if test "$llvm_cv_linux_mixed" = "yes"; then
1545 llvm_cv_target_arch="x86"
1550 dnl Check whether __dso_handle is present
1551 AC_CHECK_FUNCS([__dso_handle])
1553 dnl Propagate the shared library extension that the libltdl checks did to
1554 dnl the Makefiles so we can use it there too
1555 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1557 dnl Propagate the run-time library path variable that the libltdl
1558 dnl checks found to the Makefiles so we can use it there too
1559 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1561 dnl Translate the various configuration directories and other basic
1562 dnl information into substitutions that will end up in Makefile.config.in
1563 dnl that these configured values can be used by the makefiles
1564 if test "${prefix}" = "NONE" ; then
1567 eval LLVM_PREFIX="${prefix}";
1568 eval LLVM_BINDIR="${prefix}/bin";
1569 eval LLVM_LIBDIR="${prefix}/lib";
1570 eval LLVM_DATADIR="${prefix}/share/llvm";
1571 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1572 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1573 eval LLVM_INCLUDEDIR="${prefix}/include";
1574 eval LLVM_INFODIR="${prefix}/info";
1575 eval LLVM_MANDIR="${prefix}/man";
1576 LLVM_CONFIGTIME=`date`
1577 AC_SUBST(LLVM_PREFIX)
1578 AC_SUBST(LLVM_BINDIR)
1579 AC_SUBST(LLVM_LIBDIR)
1580 AC_SUBST(LLVM_DATADIR)
1581 AC_SUBST(LLVM_DOCSDIR)
1582 AC_SUBST(LLVM_ETCDIR)
1583 AC_SUBST(LLVM_INCLUDEDIR)
1584 AC_SUBST(LLVM_INFODIR)
1585 AC_SUBST(LLVM_MANDIR)
1586 AC_SUBST(LLVM_CONFIGTIME)
1588 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1589 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1590 LLVM_CONFIGTIME="(timestamp not enabled)"
1593 dnl Place the various directories into the config.h file as #defines so that we
1594 dnl can know about the installation paths within LLVM.
1595 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1596 [Installation prefix directory])
1597 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1598 [Installation directory for binary executables])
1599 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1600 [Installation directory for libraries])
1601 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1602 [Installation directory for data files])
1603 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1604 [Installation directory for documentation])
1605 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1606 [Installation directory for config files])
1607 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1608 [Installation directory for include files])
1609 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1610 [Installation directory for .info files])
1611 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1612 [Installation directory for man pages])
1613 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1614 [Time at which LLVM was configured])
1615 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1616 [Host triple LLVM will be executed on])
1617 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1618 [Target triple LLVM will generate code for by default])
1620 dnl Determine which bindings to build.
1621 if test "$BINDINGS_TO_BUILD" = auto ; then
1622 BINDINGS_TO_BUILD=""
1623 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1624 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1627 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1629 dnl This isn't really configurey, but it avoids having to repeat the list in
1631 AC_SUBST(ALL_BINDINGS,ocaml)
1633 dnl Do any work necessary to ensure that bindings have what they need.
1634 binding_prereqs_failed=0
1635 for a_binding in $BINDINGS_TO_BUILD ; do
1636 case "$a_binding" in
1638 if test "x$OCAMLC" = x ; then
1639 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1640 binding_prereqs_failed=1
1642 if test "x$OCAMLDEP" = x ; then
1643 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1644 binding_prereqs_failed=1
1646 if test "x$OCAMLOPT" = x ; then
1647 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1648 dnl ocamlopt is optional!
1650 if test "x$with_ocaml_libdir" != xauto ; then
1651 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1653 ocaml_stdlib="`"$OCAMLC" -where`"
1654 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1656 # ocaml stdlib is beneath our prefix; use stdlib
1657 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1659 # ocaml stdlib is outside our prefix; use libdir/ocaml
1660 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1666 if test "$binding_prereqs_failed" = 1 ; then
1667 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1670 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1671 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1673 dnl Determine linker rpath flag
1674 if test "$llvm_cv_link_use_r" = "yes" ; then
1681 dnl Determine linker rdynamic flag
1682 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1683 RDYNAMIC="-Wl,-export-dynamic"
1689 dnl===-----------------------------------------------------------------------===
1691 dnl=== SECTION 10: Specify the output files and generate it
1693 dnl===-----------------------------------------------------------------------===
1695 dnl Configure header files
1696 dnl WARNING: dnl If you add or remove any of the following config headers, then
1697 dnl you MUST also update Makefile so that the variable FilesToConfig
1698 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1699 dnl files can be updated automatically when their *.in sources change.
1700 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1701 AH_TOP([#ifndef CONFIG_H
1705 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1706 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1707 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1708 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1709 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1711 dnl Configure the makefile's configuration data
1712 AC_CONFIG_FILES([Makefile.config])
1714 dnl Configure the RPM spec file for LLVM
1715 AC_CONFIG_FILES([llvm.spec])
1717 dnl Configure doxygen's configuration file
1718 AC_CONFIG_FILES([docs/doxygen.cfg])
1720 dnl Configure clang, if present
1721 if test "${clang_src_root}" = ""; then
1722 clang_src_root="$srcdir/tools/clang"
1724 if test -f ${clang_src_root}/README.txt; then
1725 dnl Use variables to stay under 80 columns.
1726 configh="include/clang/Config/config.h"
1727 doxy="docs/doxygen.cfg"
1728 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1729 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1732 dnl OCaml findlib META file
1733 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1735 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
1736 test "x$program_prefix" = "xNONE" && program_prefix=""
1737 AC_SUBST([program_prefix])
1740 dnl Do special configuration of Makefiles
1741 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1742 AC_CONFIG_MAKEFILE(Makefile)
1743 AC_CONFIG_MAKEFILE(Makefile.common)
1744 AC_CONFIG_MAKEFILE(examples/Makefile)
1745 AC_CONFIG_MAKEFILE(lib/Makefile)
1746 AC_CONFIG_MAKEFILE(runtime/Makefile)
1747 AC_CONFIG_MAKEFILE(test/Makefile)
1748 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1749 AC_CONFIG_MAKEFILE(unittests/Makefile)
1750 AC_CONFIG_MAKEFILE(tools/Makefile)
1751 AC_CONFIG_MAKEFILE(utils/Makefile)
1752 AC_CONFIG_MAKEFILE(projects/Makefile)
1753 AC_CONFIG_MAKEFILE(bindings/Makefile)
1754 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1756 dnl Finally, crank out the output