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],[3.1svn],[http://llvm.org/bugs/])
36 dnl Provide a copyright substitution and ensure the copyright notice is included
37 dnl in the output of --version option of the generated configure script.
38 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2011 University of Illinois at Urbana-Champaign."])
39 AC_COPYRIGHT([Copyright (c) 2003-2011 University of Illinois at Urbana-Champaign.])
41 dnl Indicate that we require autoconf 2.60 or later.
44 dnl Verify that the source directory is valid. This makes sure that we are
45 dnl configuring LLVM and not some other package (it validates --srcdir argument)
46 AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp])
48 dnl Place all of the extra autoconf files into the config subdirectory. Tell
49 dnl various tools where the m4 autoconf macros are.
50 AC_CONFIG_AUX_DIR([autoconf])
52 dnl Quit if the source directory has already been configured.
53 dnl NOTE: This relies upon undocumented autoconf behavior.
54 if test ${srcdir} != "." ; then
55 if test -f ${srcdir}/include/llvm/Config/config.h ; then
56 AC_MSG_ERROR([Already configured in ${srcdir}])
60 dnl We need to check for the compiler up here to avoid anything else
61 dnl starting with a different one.
62 AC_PROG_CC(clang llvm-gcc gcc)
63 AC_PROG_CXX(clang++ llvm-g++ g++)
66 dnl Configure all of the projects present in our source tree. While we could
67 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
68 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
69 dnl Instead we match on the known projects.
72 dnl One tricky part of doing this is that some projects depend upon other
73 dnl projects. For example, several projects rely upon the LLVM test suite.
74 dnl We want to configure those projects first so that their object trees are
75 dnl created before running the configure scripts of projects that depend upon
79 dnl Several projects use llvm-gcc, so configure that first
80 if test -d ${srcdir}/projects/llvm-gcc ; then
81 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
84 dnl Several projects use the LLVM test suite, so configure it next.
85 if test -d ${srcdir}/projects/test-suite ; then
86 AC_CONFIG_SUBDIRS([projects/test-suite])
89 dnl llvm-test is the old name of the test-suite, kept here for backwards
91 if test -d ${srcdir}/projects/llvm-test ; then
92 AC_CONFIG_SUBDIRS([projects/llvm-test])
95 dnl Some projects use poolalloc; configure that next
96 if test -d ${srcdir}/projects/poolalloc ; then
97 AC_CONFIG_SUBDIRS([projects/poolalloc])
100 if test -d ${srcdir}/projects/llvm-poolalloc ; then
101 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
104 dnl Check for all other projects
105 for i in `ls ${srcdir}/projects`
107 if test -d ${srcdir}/projects/${i} ; then
109 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
110 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
111 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
112 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
113 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
114 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
115 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
116 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
124 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
130 dnl Disable the build of polly, even if it is checked out into tools/polly.
132 AS_HELP_STRING([--enable-polly],
133 [Use polly if available (default is YES)]),,
136 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
137 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
138 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
139 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
143 dnl Check if polly is checked out into tools/polly and configure it if
145 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
146 AC_SUBST(LLVM_HAS_POLLY,1)
147 AC_CONFIG_SUBDIRS([tools/polly])
150 dnl===-----------------------------------------------------------------------===
152 dnl=== SECTION 2: Architecture, target, and host checks
154 dnl===-----------------------------------------------------------------------===
156 dnl Check the target for which we're compiling and the host that will do the
157 dnl compilations. This will tell us which LLVM compiler will be used for
158 dnl compiling SSA into object code. This needs to be done early because
159 dnl following tests depend on it.
162 dnl Determine the platform type and cache its value. This helps us configure
163 dnl the System library to the correct build platform.
164 AC_CACHE_CHECK([type of operating system we're going to host on],
168 llvm_cv_link_all_option="-Wl,--whole-archive"
169 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
170 llvm_cv_os_type="AIX"
171 llvm_cv_platform_type="Unix" ;;
173 llvm_cv_link_all_option="-Wl,--whole-archive"
174 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
175 llvm_cv_os_type="IRIX"
176 llvm_cv_platform_type="Unix" ;;
178 llvm_cv_link_all_option="-Wl,--whole-archive"
179 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
180 llvm_cv_os_type="Cygwin"
181 llvm_cv_platform_type="Unix" ;;
183 llvm_cv_link_all_option="-Wl,-all_load"
184 llvm_cv_no_link_all_option="-Wl,-noall_load"
185 llvm_cv_os_type="Darwin"
186 llvm_cv_platform_type="Unix" ;;
188 llvm_cv_link_all_option="-Wl,-all_load"
189 llvm_cv_no_link_all_option="-Wl,-noall_load"
190 llvm_cv_os_type="Minix"
191 llvm_cv_platform_type="Unix" ;;
193 llvm_cv_link_all_option="-Wl,--whole-archive"
194 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
195 llvm_cv_os_type="FreeBSD"
196 llvm_cv_platform_type="Unix" ;;
198 llvm_cv_link_all_option="-Wl,--whole-archive"
199 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
200 llvm_cv_os_type="OpenBSD"
201 llvm_cv_platform_type="Unix" ;;
203 llvm_cv_link_all_option="-Wl,--whole-archive"
204 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
205 llvm_cv_os_type="NetBSD"
206 llvm_cv_platform_type="Unix" ;;
208 llvm_cv_link_all_option="-Wl,--whole-archive"
209 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
210 llvm_cv_os_type="DragonFly"
211 llvm_cv_platform_type="Unix" ;;
213 llvm_cv_link_all_option="-Wl,--whole-archive"
214 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
215 llvm_cv_os_type="HP-UX"
216 llvm_cv_platform_type="Unix" ;;
218 llvm_cv_link_all_option="-Wl,--whole-archive"
219 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
220 llvm_cv_os_type="Interix"
221 llvm_cv_platform_type="Unix" ;;
223 llvm_cv_link_all_option="-Wl,--whole-archive"
224 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
225 llvm_cv_os_type="Linux"
226 llvm_cv_platform_type="Unix" ;;
228 llvm_cv_link_all_option="-Wl,-z,allextract"
229 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
230 llvm_cv_os_type="SunOS"
231 llvm_cv_platform_type="Unix" ;;
233 llvm_cv_link_all_option="-Wl,-z,allextract"
234 llvm_cv_link_all_option="-Wl,-z,defaultextract"
235 llvm_cv_os_type="AuroraUX"
236 llvm_cv_platform_type="Unix" ;;
238 llvm_cv_link_all_option="-Wl,--whole-archive"
239 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
240 llvm_cv_os_type="Win32"
241 llvm_cv_platform_type="Win32" ;;
243 llvm_cv_link_all_option="-Wl,--whole-archive"
244 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
245 llvm_cv_os_type="MingW"
246 llvm_cv_platform_type="Win32" ;;
248 llvm_cv_link_all_option="-Wl,--whole-archive"
249 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
250 llvm_cv_os_type="Haiku"
251 llvm_cv_platform_type="Unix" ;;
253 llvm_cv_link_all_option="-Wl,--whole-archive"
254 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
255 llvm_cv_os_type="Freestanding"
256 llvm_cv_platform_type="Unix" ;;
258 llvm_cv_link_all_option="-Wl,--whole-archive"
259 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
260 llvm_cv_os_type="Freestanding"
261 llvm_cv_platform_type="Unix" ;;
263 llvm_cv_link_all_option=""
264 llvm_cv_no_link_all_option=""
265 llvm_cv_os_type="Unknown"
266 llvm_cv_platform_type="Unknown" ;;
269 AC_CACHE_CHECK([type of operating system we're going to target],
270 [llvm_cv_target_os_type],
273 llvm_cv_target_os_type="AIX" ;;
275 llvm_cv_target_os_type="IRIX" ;;
277 llvm_cv_target_os_type="Cygwin" ;;
279 llvm_cv_target_os_type="Darwin" ;;
281 llvm_cv_target_os_type="Minix" ;;
283 llvm_cv_target_os_type="FreeBSD" ;;
285 llvm_cv_target_os_type="OpenBSD" ;;
287 llvm_cv_target_os_type="NetBSD" ;;
289 llvm_cv_target_os_type="DragonFly" ;;
291 llvm_cv_target_os_type="HP-UX" ;;
293 llvm_cv_target_os_type="Interix" ;;
295 llvm_cv_target_os_type="Linux" ;;
297 llvm_cv_target_os_type="SunOS" ;;
299 llvm_cv_target_os_type="AuroraUX" ;;
301 llvm_cv_target_os_type="Win32" ;;
303 llvm_cv_target_os_type="MingW" ;;
305 llvm_cv_target_os_type="Haiku" ;;
307 llvm_cv_target_os_type="RTEMS" ;;
309 llvm_cv_target_os_type="NativeClient" ;;
311 llvm_cv_target_os_type="Freestanding" ;;
313 llvm_cv_target_os_type="Unknown" ;;
316 dnl Make sure we aren't attempting to configure for an unknown system
317 if test "$llvm_cv_os_type" = "Unknown" ; then
318 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
321 dnl Set the "OS" Makefile variable based on the platform type so the
322 dnl makefile can configure itself to specific build hosts
323 AC_SUBST(OS,$llvm_cv_os_type)
324 AC_SUBST(HOST_OS,$llvm_cv_os_type)
325 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
327 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
328 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
329 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
331 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
332 dnl This is used by lib/Support to determine the basic kind of implementation
334 case $llvm_cv_platform_type in
336 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
337 AC_SUBST(LLVM_ON_UNIX,[1])
338 AC_SUBST(LLVM_ON_WIN32,[0])
341 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
342 AC_SUBST(LLVM_ON_UNIX,[0])
343 AC_SUBST(LLVM_ON_WIN32,[1])
347 dnl Determine what our target architecture is and configure accordingly.
348 dnl This will allow Makefiles to make a distinction between the hardware and
350 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
352 i?86-*) llvm_cv_target_arch="x86" ;;
353 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
354 sparc*-*) llvm_cv_target_arch="Sparc" ;;
355 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
356 arm*-*) llvm_cv_target_arch="ARM" ;;
357 mips-*) llvm_cv_target_arch="Mips" ;;
358 xcore-*) llvm_cv_target_arch="XCore" ;;
359 msp430-*) llvm_cv_target_arch="MSP430" ;;
360 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
361 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
362 ptx-*) llvm_cv_target_arch="PTX" ;;
363 *) llvm_cv_target_arch="Unknown" ;;
366 if test "$llvm_cv_target_arch" = "Unknown" ; then
367 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
370 # Determine the LLVM native architecture for the target
371 case "$llvm_cv_target_arch" in
372 x86) LLVM_NATIVE_ARCH="X86" ;;
373 x86_64) LLVM_NATIVE_ARCH="X86" ;;
374 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
377 dnl Define a substitution, ARCH, for the target architecture
378 AC_SUBST(ARCH,$llvm_cv_target_arch)
380 dnl Check for the endianness of the target
381 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
383 dnl Check for build platform executable suffix if we're crosscompiling
384 if test "$cross_compiling" = yes; then
385 AC_SUBST(LLVM_CROSS_COMPILING, [1])
387 ac_build_prefix=${build_alias}-
388 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
389 if test -z "$BUILD_CXX"; then
390 AC_CHECK_PROG(BUILD_CXX, g++, g++)
391 if test -z "$BUILD_CXX"; then
392 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
396 AC_SUBST(LLVM_CROSS_COMPILING, [0])
399 dnl Check to see if there's a .svn or .git directory indicating that this
400 dnl build is being done from a checkout. This sets up several defaults for
401 dnl the command line switches. When we build with a checkout directory,
402 dnl we get a debug with assertions turned on. Without, we assume a source
403 dnl release and we get an optimized build without assertions.
404 dnl See --enable-optimized and --enable-assertions below
405 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
408 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
414 dnl===-----------------------------------------------------------------------===
416 dnl=== SECTION 3: Command line arguments for the configure script.
418 dnl===-----------------------------------------------------------------------===
420 dnl --enable-libcpp : check whether or not to use libc++ on the command line
421 AC_ARG_ENABLE(libcpp,
422 AS_HELP_STRING([--enable-libcpp],
423 [Use libc++ if available (default is NO)]),,
426 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
427 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
428 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
429 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
432 dnl --enable-optimized : check whether they want to do an optimized build:
433 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
434 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
435 if test ${enableval} = "no" ; then
436 AC_SUBST(ENABLE_OPTIMIZED,[[]])
438 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
441 dnl --enable-profiling : check whether they want to do a profile build:
442 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
443 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
444 if test ${enableval} = "no" ; then
445 AC_SUBST(ENABLE_PROFILING,[[]])
447 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
450 dnl --enable-assertions : check whether they want to turn on assertions or not:
451 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
452 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
453 if test ${enableval} = "yes" ; then
454 AC_SUBST(DISABLE_ASSERTIONS,[[]])
456 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
459 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
460 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
461 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
462 if test ${enableval} = "yes" ; then
463 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
464 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
466 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
467 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
470 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
471 AC_ARG_ENABLE(debug-runtime,
472 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
473 if test ${enableval} = "no" ; then
474 AC_SUBST(DEBUG_RUNTIME,[[]])
476 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
479 dnl --enable-debug-symbols : should even optimized compiler libraries
480 dnl have debug symbols?
481 AC_ARG_ENABLE(debug-symbols,
482 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)
483 if test ${enableval} = "no" ; then
484 AC_SUBST(DEBUG_SYMBOLS,[[]])
486 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
489 dnl --enable-jit: check whether they want to enable the jit
491 AS_HELP_STRING(--enable-jit,
492 [Enable Just In Time Compiling (default is YES)]),,
494 if test ${enableval} = "no"
498 case "$llvm_cv_target_arch" in
499 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
500 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
501 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
502 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
503 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
504 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
505 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
506 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
507 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
508 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
509 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
510 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
514 dnl Allow enablement of building and installing docs
516 AS_HELP_STRING([--enable-docs],
517 [Build documents (default is YES)]),,
520 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
521 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
522 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
523 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
526 dnl Allow enablement of doxygen generated documentation
527 AC_ARG_ENABLE(doxygen,
528 AS_HELP_STRING([--enable-doxygen],
529 [Build doxygen documentation (default is NO)]),,
532 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
533 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
534 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
535 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
538 dnl Allow disablement of threads
539 AC_ARG_ENABLE(threads,
540 AS_HELP_STRING([--enable-threads],
541 [Use threads if available (default is YES)]),,
544 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
545 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
546 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
547 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
549 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
550 [Define if threads enabled])
552 dnl Allow disablement of pthread.h
553 AC_ARG_ENABLE(pthreads,
554 AS_HELP_STRING([--enable-pthreads],
555 [Use pthreads if available (default is YES)]),,
558 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
559 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
560 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
561 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
564 dnl Allow building without position independent code
566 AS_HELP_STRING([--enable-pic],
567 [Build LLVM with Position Independent Code (default is YES)]),,
570 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
571 no) AC_SUBST(ENABLE_PIC,[0]) ;;
572 default) AC_SUBST(ENABLE_PIC,[1]) ;;
573 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
575 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
576 [Define if position independent code is enabled])
578 dnl Allow building a shared library and linking tools against it.
579 AC_ARG_ENABLE(shared,
580 AS_HELP_STRING([--enable-shared],
581 [Build a shared library and link tools against it (default is NO)]),,
584 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
585 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
586 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
587 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
590 dnl Allow libstdc++ is embedded in LLVM.dll.
591 AC_ARG_ENABLE(embed-stdcxx,
592 AS_HELP_STRING([--enable-embed-stdcxx],
593 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
596 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
597 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
598 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
599 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
602 dnl Enable embedding timestamp information into build.
603 AC_ARG_ENABLE(timestamps,
604 AS_HELP_STRING([--enable-timestamps],
605 [Enable embedding timestamp information in build (default is YES)]),,
608 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
609 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
610 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
611 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
613 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
614 [Define if timestamp information (e.g., __DATE___) is allowed])
616 dnl Allow specific targets to be specified for building (or not)
618 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
619 [Build specific host targets: all or target1,target2,... Valid targets are:
620 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
621 xcore, msp430, ptx, cbe, and cpp (default=all)]),,
623 if test "$enableval" = host-only ; then
627 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CBackend CppBackend MBlaze PTX Hexagon" ;;
628 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
630 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
631 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
632 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
633 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
634 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
635 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
636 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
637 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
638 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
639 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
640 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
641 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
642 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
643 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
644 host) case "$llvm_cv_target_arch" in
645 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
646 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
647 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
648 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
649 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
650 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
651 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
652 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
653 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
654 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
655 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
656 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
657 *) AC_MSG_ERROR([Can not set target to build]) ;;
659 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
664 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
666 # Determine whether we are building LLVM support for the native architecture.
667 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
668 for a_target in $TARGETS_TO_BUILD; do
669 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
670 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
671 [LLVM architecture name for the native architecture, if available])
672 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
673 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
674 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
675 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
676 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
677 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
679 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
680 [LLVM name for the native Target init function, if available])
681 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
682 [LLVM name for the native TargetInfo init function, if available])
683 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
684 [LLVM name for the native target MC init function, if available])
685 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
686 [LLVM name for the native AsmPrinter init function, if available])
687 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
688 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
689 [LLVM name for the native AsmParser init function, if available])
694 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
695 # target feature def files.
697 LLVM_ENUM_ASM_PRINTERS=""
698 LLVM_ENUM_ASM_PARSERS=""
699 LLVM_ENUM_DISASSEMBLERS=""
700 for target_to_build in $TARGETS_TO_BUILD; do
701 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
702 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
703 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
705 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
706 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
708 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
709 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
712 AC_SUBST(LLVM_ENUM_TARGETS)
713 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
714 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
715 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
717 dnl Prevent the CBackend from using printf("%a") for floating point so older
718 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
719 dnl can still compile the CBE's output
720 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
721 [Enable C Backend output with hex floating point via %a (default is YES)]),,
724 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
725 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
726 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
727 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
729 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
730 [Define if CBE is enabled for printf %a output])
732 dnl Override the option to use for optimized builds.
733 AC_ARG_WITH(optimize-option,
734 AS_HELP_STRING([--with-optimize-option],
735 [Select the compiler options to use for optimized builds]),,
737 AC_MSG_CHECKING([optimization flags])
740 case "$llvm_cv_os_type" in
741 FreeBSD) optimize_option=-O2 ;;
742 MingW) optimize_option=-O2 ;;
743 *) optimize_option=-O3 ;;
745 *) optimize_option="$withval" ;;
747 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
748 AC_MSG_RESULT([$optimize_option])
750 dnl Specify extra build options
751 AC_ARG_WITH(extra-options,
752 AS_HELP_STRING([--with-extra-options],
753 [Specify additional options to compile LLVM with]),,
756 default) EXTRA_OPTIONS= ;;
757 *) EXTRA_OPTIONS=$withval ;;
759 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
761 dnl Specify extra linker build options
762 AC_ARG_WITH(extra-ld-options,
763 AS_HELP_STRING([--with-extra-ld-options],
764 [Specify additional options to link LLVM with]),,
767 default) EXTRA_LD_OPTIONS= ;;
768 *) EXTRA_LD_OPTIONS=$withval ;;
770 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
772 dnl Allow specific bindings to be specified for building (or not)
773 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
774 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
778 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
779 all ) BINDINGS_TO_BUILD="ocaml" ;;
780 none | no) BINDINGS_TO_BUILD="" ;;
781 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
783 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
784 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
790 dnl Allow the ocaml libdir to be overridden. This could go in a configure
791 dnl script for bindings/ocaml/configure, except that its auto value depends on
792 dnl OCAMLC, which is found here to support tests.
793 AC_ARG_WITH([ocaml-libdir],
794 [AS_HELP_STRING([--with-ocaml-libdir],
795 [Specify install location for ocaml bindings (default is stdlib)])],
799 auto) with_ocaml_libdir="$withval" ;;
800 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
801 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
804 AC_ARG_WITH(clang-srcdir,
805 AS_HELP_STRING([--with-clang-srcdir],
806 [Directory to the out-of-tree Clang source]),,
809 -) clang_src_root="" ;;
810 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
811 *) clang_src_root="$ac_pwd/$withval" ;;
813 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
815 AC_ARG_WITH(clang-resource-dir,
816 AS_HELP_STRING([--with-clang-resource-dir],
817 [Relative directory from the Clang binary for resource files]),,
819 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
820 [Relative directory for resource files])
822 AC_ARG_WITH(c-include-dirs,
823 AS_HELP_STRING([--with-c-include-dirs],
824 [Colon separated list of directories clang will search for headers]),,
826 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
827 [Directories clang will search for headers])
829 AC_ARG_WITH(cxx-include-root,
830 AS_HELP_STRING([--with-cxx-include-root],
831 [Directory with the libstdc++ headers.]),,
833 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
834 [Directory with the libstdc++ headers.])
836 AC_ARG_WITH(cxx-include-arch,
837 AS_HELP_STRING([--with-cxx-include-arch],
838 [Architecture of the libstdc++ headers.]),,
840 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
841 [Arch the libstdc++ headers.])
843 AC_ARG_WITH(cxx-include-32bit-dir,
844 AS_HELP_STRING([--with-cxx-include-32bit-dir],
845 [32 bit multilib dir.]),,
847 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
848 [32 bit multilib directory.])
850 AC_ARG_WITH(cxx-include-64bit-dir,
851 AS_HELP_STRING([--with-cxx-include-64bit-dir],
852 [64 bit multilib directory.]),,
854 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
855 [64 bit multilib directory.])
857 dnl Allow linking of LLVM with GPLv3 binutils code.
858 AC_ARG_WITH(binutils-include,
859 AS_HELP_STRING([--with-binutils-include],
860 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
863 default) WITH_BINUTILS_INCDIR=default ;;
864 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
865 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
867 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
868 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
869 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
870 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
871 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
875 dnl Specify the URL where bug reports should be submitted.
876 AC_ARG_WITH(bug-report-url,
877 AS_HELP_STRING([--with-bug-report-url],
878 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
879 withval="http://llvm.org/bugs/")
880 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
883 dnl --enable-libffi : check whether the user wants to turn off libffi:
884 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
885 --enable-libffi,[Check for the presence of libffi (default is NO)]),
886 [case "$enableval" in
887 yes) llvm_cv_enable_libffi="yes" ;;
888 no) llvm_cv_enable_libffi="no" ;;
889 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
891 llvm_cv_enable_libffi=no)
893 AC_ARG_WITH(internal-prefix,
894 AS_HELP_STRING([--with-internal-prefix],
895 [Installation directory for internal files]),,
897 AC_SUBST(INTERNAL_PREFIX,[$withval])
899 dnl===-----------------------------------------------------------------------===
901 dnl=== SECTION 4: Check for programs we need and that they are the right version
903 dnl===-----------------------------------------------------------------------===
908 dnl Check for the tools that the makefiles require
911 AC_PATH_PROG(CMP, [cmp], [cmp])
912 AC_PATH_PROG(CP, [cp], [cp])
913 AC_PATH_PROG(DATE, [date], [date])
914 AC_PATH_PROG(FIND, [find], [find])
915 AC_PATH_PROG(GREP, [grep], [grep])
916 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
917 AC_PATH_PROG(MV, [mv], [mv])
919 AC_CHECK_TOOL(AR, ar, false)
920 AC_PATH_PROG(RM, [rm], [rm])
921 AC_PATH_PROG(SED, [sed], [sed])
922 AC_PATH_PROG(TAR, [tar], [gtar])
923 AC_PATH_PROG(BINPWD,[pwd], [pwd])
925 dnl Looking for misc. graph plotting software
926 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
927 if test "$GRAPHVIZ" != "echo Graphviz" ; then
928 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
929 dnl If we're targeting for mingw we should emit windows paths, not msys
930 if test "$llvm_cv_os_type" = "MingW" ; then
931 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
933 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
934 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
936 AC_PATH_PROG(DOT, [dot], [echo dot])
937 if test "$DOT" != "echo dot" ; then
938 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
939 dnl If we're targeting for mingw we should emit windows paths, not msys
940 if test "$llvm_cv_os_type" = "MingW" ; then
941 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
943 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
944 [Define to path to dot program if found or 'echo dot' otherwise])
946 AC_PATH_PROG(FDP, [fdp], [echo fdp])
947 if test "$FDP" != "echo fdp" ; then
948 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
949 dnl If we're targeting for mingw we should emit windows paths, not msys
950 if test "$llvm_cv_os_type" = "MingW" ; then
951 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
953 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
954 [Define to path to fdp program if found or 'echo fdp' otherwise])
956 AC_PATH_PROG(NEATO, [neato], [echo neato])
957 if test "$NEATO" != "echo neato" ; then
958 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
959 dnl If we're targeting for mingw we should emit windows paths, not msys
960 if test "$llvm_cv_os_type" = "MingW" ; then
961 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
963 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
964 [Define to path to neato program if found or 'echo neato' otherwise])
966 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
967 if test "$TWOPI" != "echo twopi" ; then
968 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
969 dnl If we're targeting for mingw we should emit windows paths, not msys
970 if test "$llvm_cv_os_type" = "MingW" ; then
971 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
973 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
974 [Define to path to twopi program if found or 'echo twopi' otherwise])
976 AC_PATH_PROG(CIRCO, [circo], [echo circo])
977 if test "$CIRCO" != "echo circo" ; then
978 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
979 dnl If we're targeting for mingw we should emit windows paths, not msys
980 if test "$llvm_cv_os_type" = "MingW" ; then
981 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
983 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
984 [Define to path to circo program if found or 'echo circo' otherwise])
986 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
987 if test "$GV" != "echo gv" ; then
988 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
989 dnl If we're targeting for mingw we should emit windows paths, not msys
990 if test "$llvm_cv_os_type" = "MingW" ; then
991 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
993 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
994 [Define to path to gv program if found or 'echo gv' otherwise])
996 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
997 if test "$DOTTY" != "echo dotty" ; then
998 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
999 dnl If we're targeting for mingw we should emit windows paths, not msys
1000 if test "$llvm_cv_os_type" = "MingW" ; then
1001 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1003 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1004 [Define to path to dotty program if found or 'echo dotty' otherwise])
1006 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1007 if test "$XDOT_PY" != "echo xdot.py" ; then
1008 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1009 dnl If we're targeting for mingw we should emit windows paths, not msys
1010 if test "$llvm_cv_os_type" = "MingW" ; then
1011 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1013 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1014 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1017 dnl Look for a sufficiently recent version of Perl.
1018 LLVM_PROG_PERL([5.006])
1020 if test x"$PERL" = xnone; then
1021 AC_SUBST(HAVE_PERL,0)
1022 AC_MSG_ERROR([perl is required but was not found, please install it])
1024 AC_SUBST(HAVE_PERL,1)
1027 dnl Find the install program
1029 dnl Prepend src dir to install path dir if it's a relative path
1030 dnl This is a hack for installs that take place in something other
1031 dnl than the top level.
1033 [[\\/$]]* | ?:[[\\/]]* ) ;;
1034 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1037 dnl Checks for documentation and testing tools that we can do without. If these
1038 dnl are not found then they are set to "true" which always succeeds but does
1039 dnl nothing. This just lets the build output show that we could have done
1040 dnl something if the tool was available.
1041 AC_PATH_PROG(BZIP2, [bzip2])
1042 AC_PATH_PROG(CAT, [cat])
1043 AC_PATH_PROG(DOXYGEN, [doxygen])
1044 AC_PATH_PROG(GROFF, [groff])
1045 AC_PATH_PROG(GZIPBIN, [gzip])
1046 AC_PATH_PROG(POD2HTML, [pod2html])
1047 AC_PATH_PROG(POD2MAN, [pod2man])
1048 AC_PATH_PROG(PDFROFF, [pdfroff])
1049 AC_PATH_PROG(RUNTEST, [runtest])
1051 AC_PATH_PROG(ZIP, [zip])
1052 AC_PATH_PROGS(OCAMLC, [ocamlc])
1053 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1054 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1055 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1056 AC_PATH_PROGS(GAS, [gas as])
1058 dnl Get the version of the linker in use.
1061 dnl Determine whether the linker supports the -R option.
1064 dnl Determine whether the linker supports the -export-dynamic option.
1065 AC_LINK_EXPORT_DYNAMIC
1067 dnl Determine whether the linker supports the --version-script option.
1068 AC_LINK_VERSION_SCRIPT
1070 dnl Check for libtool and the library that has dlopen function (which must come
1071 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1076 AC_MSG_CHECKING([tool compatibility])
1078 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1079 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1080 dnl to support those options.
1081 dnl "icc" emits gcc signatures
1082 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1094 if test "$GCC" != "yes" && test "$ICC" != "yes"
1096 AC_MSG_ERROR([gcc|icc required but not found])
1099 dnl Ensure that compilation tools are compatible with GCC extensions
1100 if test "$GXX" != "yes" && test "$IXX" != "yes"
1102 AC_MSG_ERROR([g++|clang++|icc required but not found])
1105 dnl Verify that GCC is version 3.0 or higher
1106 if test "$GCC" = "yes"
1108 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1109 #error Unsupported GCC version
1111 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1114 dnl Check for GNU Make. We use its extensions, so don't build without it
1115 if test -z "$llvm_cv_gnu_make_command"
1117 AC_MSG_ERROR([GNU Make required but not found])
1120 dnl Tool compatibility is okay if we make it here.
1123 dnl Check optional compiler flags.
1124 AC_MSG_CHECKING([optional compiler flags])
1125 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1126 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1127 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1129 dnl===-----------------------------------------------------------------------===
1131 dnl=== SECTION 5: Check for libraries
1133 dnl===-----------------------------------------------------------------------===
1136 if test "$llvm_cv_os_type" = "MingW" ; then
1137 AC_CHECK_LIB(imagehlp, main)
1138 AC_CHECK_LIB(psapi, main)
1141 dnl dlopen() is required for plugin support.
1142 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1143 [Define if dlopen() is available on this platform.]),
1144 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1146 dnl libffi is optional; used to call external functions from the interpreter
1147 if test "$llvm_cv_enable_libffi" = "yes" ; then
1148 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1149 [Define if libffi is available on this platform.]),
1150 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1153 dnl mallinfo is optional; the code can compile (minus features) without it
1154 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1155 [Define if mallinfo() is available on this platform.]))
1157 dnl pthread locking functions are optional - but llvm will not be thread-safe
1159 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1160 AC_CHECK_LIB(pthread, pthread_mutex_init)
1161 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1162 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1163 [Have pthread_mutex_lock]))
1164 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1165 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1166 [Have pthread_rwlock_init]))
1167 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1168 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1169 [Have pthread_getspecific]))
1172 dnl Allow extra x86-disassembler library
1174 AS_HELP_STRING([--with-udis86=<path>],
1175 [Use udis86 external x86 disassembler library]),
1177 AC_SUBST(USE_UDIS86, [1])
1180 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1182 AC_CHECK_LIB(udis86, ud_init, [], [
1183 echo "Error! You need to have libudis86 around."
1187 AC_SUBST(USE_UDIS86, [0]))
1188 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1189 [Define if use udis86 library])
1191 dnl Allow OProfile support for JIT output.
1192 AC_ARG_WITH(oprofile,
1193 AS_HELP_STRING([--with-oprofile=<prefix>],
1194 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1196 AC_SUBST(USE_OPROFILE, [1])
1198 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1200 AC_SUBST(USE_OPROFILE, [0]) ;;
1201 *) llvm_cv_oppath="${withval}/lib/oprofile"
1202 CPPFLAGS="-I${withval}/include";;
1204 if test -n "$llvm_cv_oppath" ; then
1205 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1206 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1207 dnl libbfd is not included properly in libopagent in some Debian
1208 dnl versions. If libbfd isn't found at all, we assume opagent works
1210 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1211 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1212 echo "Error! You need to have libopagent around."
1215 AC_CHECK_HEADER([opagent.h], [], [
1216 echo "Error! You need to have opagent.h around."
1222 AC_SUBST(USE_OPROFILE, [0])
1224 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1225 [Define if we have the oprofile JIT-support library])
1227 dnl===-----------------------------------------------------------------------===
1229 dnl=== SECTION 6: Check for header files
1231 dnl===-----------------------------------------------------------------------===
1233 dnl First, use autoconf provided macros for specific headers that we need
1234 dnl We don't check for ancient stuff or things that are guaranteed to be there
1235 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1236 dnl Generally we're looking for POSIX headers.
1238 AC_HEADER_MMAP_ANONYMOUS
1243 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1244 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1245 AC_CHECK_HEADERS([utime.h windows.h])
1246 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1247 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1248 AC_CHECK_HEADERS([valgrind/valgrind.h])
1249 AC_CHECK_HEADERS([fenv.h])
1250 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1251 AC_CHECK_HEADERS(pthread.h,
1252 AC_SUBST(HAVE_PTHREAD, 1),
1253 AC_SUBST(HAVE_PTHREAD, 0))
1255 AC_SUBST(HAVE_PTHREAD, 0)
1258 dnl Try to find ffi.h.
1259 if test "$llvm_cv_enable_libffi" = "yes" ; then
1260 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1263 dnl Try to find Darwin specific crash reporting libraries.
1264 AC_CHECK_HEADERS([CrashReporterClient.h])
1266 dnl Try to find Darwin specific crash reporting global.
1267 AC_MSG_CHECKING([__crashreporter_info__])
1270 [[extern const char *__crashreporter_info__;
1272 __crashreporter_info__ = "test";
1277 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1279 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1280 Define if __crashreporter_info__ exists.))
1282 dnl===-----------------------------------------------------------------------===
1284 dnl=== SECTION 7: Check for types and structures
1286 dnl===-----------------------------------------------------------------------===
1291 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1293 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1294 AC_CHECK_TYPES([uint64_t],,
1295 AC_CHECK_TYPES([u_int64_t],,
1296 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1298 dnl===-----------------------------------------------------------------------===
1300 dnl=== SECTION 8: Check for specific functions needed
1302 dnl===-----------------------------------------------------------------------===
1304 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1305 AC_CHECK_FUNCS([powf fmodf strtof round ])
1306 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1307 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1308 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1309 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1310 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1311 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1315 dnl Check the declaration "Secure API" on Windows environments.
1316 AC_CHECK_DECLS([strerror_s])
1318 dnl Check symbols in libgcc.a for JIT on Mingw.
1319 if test "$llvm_cv_os_type" = "MingW" ; then
1320 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1321 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1322 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1323 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1325 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1326 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1327 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1328 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1329 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1330 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1331 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1332 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1333 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1334 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1336 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1337 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1340 dnl Check Win32 API EnumerateLoadedModules.
1341 if test "$llvm_cv_os_type" = "MingW" ; then
1342 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1343 AC_COMPILE_IFELSE([[#include <windows.h>
1344 #include <imagehlp.h>
1345 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1346 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1348 AC_MSG_RESULT([yes])
1349 llvm_cv_win32_elmcb_pcstr="PCSTR"
1353 llvm_cv_win32_elmcb_pcstr="PSTR"
1355 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1358 dnl Check for variations in the Standard C++ library and STL. These macros are
1359 dnl provided by LLVM in the autoconf/m4 directory.
1363 dnl Check for mmap support.We also need to know if /dev/zero is required to
1364 dnl be opened for allocating RWX memory.
1365 dnl Make sure we aren't attempting to configure for an unknown system
1366 if test "$llvm_cv_platform_type" = "Unix" ; then
1369 AC_NEED_DEV_ZERO_FOR_MMAP
1371 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1373 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1375 if test "$ac_cv_func_mmap_file" = "no"
1377 AC_MSG_WARN([mmap() of files required but not found])
1381 dnl atomic builtins are required for threading support.
1382 AC_MSG_CHECKING(for GCC atomic builtins)
1383 dnl Since we'll be using these atomic builtins in C++ files we should test
1384 dnl the C++ compiler.
1389 volatile unsigned long val = 1;
1390 __sync_synchronize();
1391 __sync_val_compare_and_swap(&val, 1, 0);
1392 __sync_add_and_fetch(&val, 1);
1393 __sync_sub_and_fetch(&val, 1);
1399 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1401 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1402 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1404 dnl===-----------------------------------------------------------------------===
1406 dnl=== SECTION 9: Additional checks, variables, etc.
1408 dnl===-----------------------------------------------------------------------===
1410 dnl Handle 32-bit linux systems running a 64-bit kernel.
1411 dnl This has to come after section 4 because it invokes the compiler.
1412 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1414 if test "$llvm_cv_linux_mixed" = "yes"; then
1415 llvm_cv_target_arch="x86"
1420 dnl Check whether __dso_handle is present
1421 AC_CHECK_FUNCS([__dso_handle])
1423 dnl Propagate the shared library extension that the libltdl checks did to
1424 dnl the Makefiles so we can use it there too
1425 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1427 dnl Propagate the run-time library path variable that the libltdl
1428 dnl checks found to the Makefiles so we can use it there too
1429 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1431 # Translate the various configuration directories and other basic
1432 # information into substitutions that will end up in Makefile.config.in
1433 # that these configured values can be used by the makefiles
1434 if test "${prefix}" = "NONE" ; then
1437 eval LLVM_PREFIX="${prefix}";
1438 eval LLVM_BINDIR="${prefix}/bin";
1439 eval LLVM_LIBDIR="${prefix}/lib";
1440 eval LLVM_DATADIR="${prefix}/share/llvm";
1441 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1442 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1443 eval LLVM_INCLUDEDIR="${prefix}/include";
1444 eval LLVM_INFODIR="${prefix}/info";
1445 eval LLVM_MANDIR="${prefix}/man";
1446 LLVM_CONFIGTIME=`date`
1447 AC_SUBST(LLVM_PREFIX)
1448 AC_SUBST(LLVM_BINDIR)
1449 AC_SUBST(LLVM_LIBDIR)
1450 AC_SUBST(LLVM_DATADIR)
1451 AC_SUBST(LLVM_DOCSDIR)
1452 AC_SUBST(LLVM_ETCDIR)
1453 AC_SUBST(LLVM_INCLUDEDIR)
1454 AC_SUBST(LLVM_INFODIR)
1455 AC_SUBST(LLVM_MANDIR)
1456 AC_SUBST(LLVM_CONFIGTIME)
1458 # Place the various directores into the config.h file as #defines so that we
1459 # can know about the installation paths within LLVM.
1460 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1461 [Installation prefix directory])
1462 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1463 [Installation directory for binary executables])
1464 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1465 [Installation directory for libraries])
1466 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1467 [Installation directory for data files])
1468 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1469 [Installation directory for documentation])
1470 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1471 [Installation directory for config files])
1472 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1473 [Installation directory for include files])
1474 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1475 [Installation directory for .info files])
1476 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1477 [Installation directory for man pages])
1478 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1479 [Time at which LLVM was configured])
1480 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1481 [Target triple LLVM will generate code for by default])
1483 # Determine which bindings to build.
1484 if test "$BINDINGS_TO_BUILD" = auto ; then
1485 BINDINGS_TO_BUILD=""
1486 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1487 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1490 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1492 # This isn't really configurey, but it avoids having to repeat the list in
1494 AC_SUBST(ALL_BINDINGS,ocaml)
1496 # Do any work necessary to ensure that bindings have what they need.
1497 binding_prereqs_failed=0
1498 for a_binding in $BINDINGS_TO_BUILD ; do
1499 case "$a_binding" in
1501 if test "x$OCAMLC" = x ; then
1502 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1503 binding_prereqs_failed=1
1505 if test "x$OCAMLDEP" = x ; then
1506 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1507 binding_prereqs_failed=1
1509 if test "x$OCAMLOPT" = x ; then
1510 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1511 dnl ocamlopt is optional!
1513 if test "x$with_ocaml_libdir" != xauto ; then
1514 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1516 ocaml_stdlib="`"$OCAMLC" -where`"
1517 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1519 # ocaml stdlib is beneath our prefix; use stdlib
1520 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1522 # ocaml stdlib is outside our prefix; use libdir/ocaml
1523 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1529 if test "$binding_prereqs_failed" = 1 ; then
1530 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1533 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1534 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1536 dnl Determine linker rpath flag
1537 if test "$llvm_cv_link_use_r" = "yes" ; then
1544 dnl Determine linker rdynamic flag
1545 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1546 RDYNAMIC="-Wl,-export-dynamic"
1552 dnl===-----------------------------------------------------------------------===
1554 dnl=== SECTION 10: Specify the output files and generate it
1556 dnl===-----------------------------------------------------------------------===
1558 dnl Configure header files
1559 dnl WARNING: dnl If you add or remove any of the following config headers, then
1560 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1561 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1562 dnl files can be updated automatically when their *.in sources change.
1563 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1564 AH_TOP([#ifndef CONFIG_H
1568 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1569 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1570 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1571 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1572 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1574 dnl Configure the makefile's configuration data
1575 AC_CONFIG_FILES([Makefile.config])
1577 dnl Configure the RPM spec file for LLVM
1578 AC_CONFIG_FILES([llvm.spec])
1580 dnl Configure doxygen's configuration file
1581 AC_CONFIG_FILES([docs/doxygen.cfg])
1582 if test -f ${srcdir}/tools/clang/README.txt; then
1583 AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg])
1586 dnl OCaml findlib META file
1587 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1589 dnl Do special configuration of Makefiles
1590 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1591 AC_CONFIG_MAKEFILE(Makefile)
1592 AC_CONFIG_MAKEFILE(Makefile.common)
1593 AC_CONFIG_MAKEFILE(examples/Makefile)
1594 AC_CONFIG_MAKEFILE(lib/Makefile)
1595 AC_CONFIG_MAKEFILE(runtime/Makefile)
1596 AC_CONFIG_MAKEFILE(test/Makefile)
1597 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1598 AC_CONFIG_MAKEFILE(unittests/Makefile)
1599 AC_CONFIG_MAKEFILE(tools/Makefile)
1600 AC_CONFIG_MAKEFILE(utils/Makefile)
1601 AC_CONFIG_MAKEFILE(projects/Makefile)
1602 AC_CONFIG_MAKEFILE(bindings/Makefile)
1603 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1605 dnl Finally, crank out the output