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 email address for reporting bugs.
34 AC_INIT([[llvm]],[[3.1svn]],[llvmbugs@cs.uiuc.edu])
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]) ;;
123 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
129 dnl Disable the build of polly, even if it is checked out into tools/polly.
131 AS_HELP_STRING([--enable-polly],
132 [Use polly if available (default is YES)]),,
135 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
136 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
137 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
138 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
142 dnl Check if polly is checked out into tools/polly and configure it if
144 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
145 AC_SUBST(LLVM_HAS_POLLY,1)
146 AC_CONFIG_SUBDIRS([tools/polly])
149 dnl===-----------------------------------------------------------------------===
151 dnl=== SECTION 2: Architecture, target, and host checks
153 dnl===-----------------------------------------------------------------------===
155 dnl Check the target for which we're compiling and the host that will do the
156 dnl compilations. This will tell us which LLVM compiler will be used for
157 dnl compiling SSA into object code. This needs to be done early because
158 dnl following tests depend on it.
161 dnl Determine the platform type and cache its value. This helps us configure
162 dnl the System library to the correct build platform.
163 AC_CACHE_CHECK([type of operating system we're going to host on],
167 llvm_cv_link_all_option="-Wl,--whole-archive"
168 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
169 llvm_cv_os_type="AIX"
170 llvm_cv_platform_type="Unix" ;;
172 llvm_cv_link_all_option="-Wl,--whole-archive"
173 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
174 llvm_cv_os_type="IRIX"
175 llvm_cv_platform_type="Unix" ;;
177 llvm_cv_link_all_option="-Wl,--whole-archive"
178 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
179 llvm_cv_os_type="Cygwin"
180 llvm_cv_platform_type="Unix" ;;
182 llvm_cv_link_all_option="-Wl,-all_load"
183 llvm_cv_no_link_all_option="-Wl,-noall_load"
184 llvm_cv_os_type="Darwin"
185 llvm_cv_platform_type="Unix" ;;
187 llvm_cv_link_all_option="-Wl,-all_load"
188 llvm_cv_no_link_all_option="-Wl,-noall_load"
189 llvm_cv_os_type="Minix"
190 llvm_cv_platform_type="Unix" ;;
192 llvm_cv_link_all_option="-Wl,--whole-archive"
193 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
194 llvm_cv_os_type="FreeBSD"
195 llvm_cv_platform_type="Unix" ;;
197 llvm_cv_link_all_option="-Wl,--whole-archive"
198 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
199 llvm_cv_os_type="OpenBSD"
200 llvm_cv_platform_type="Unix" ;;
202 llvm_cv_link_all_option="-Wl,--whole-archive"
203 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
204 llvm_cv_os_type="NetBSD"
205 llvm_cv_platform_type="Unix" ;;
207 llvm_cv_link_all_option="-Wl,--whole-archive"
208 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
209 llvm_cv_os_type="DragonFly"
210 llvm_cv_platform_type="Unix" ;;
212 llvm_cv_link_all_option="-Wl,--whole-archive"
213 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
214 llvm_cv_os_type="HP-UX"
215 llvm_cv_platform_type="Unix" ;;
217 llvm_cv_link_all_option="-Wl,--whole-archive"
218 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
219 llvm_cv_os_type="Interix"
220 llvm_cv_platform_type="Unix" ;;
222 llvm_cv_link_all_option="-Wl,--whole-archive"
223 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
224 llvm_cv_os_type="Linux"
225 llvm_cv_platform_type="Unix" ;;
227 llvm_cv_link_all_option="-Wl,-z,allextract"
228 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
229 llvm_cv_os_type="SunOS"
230 llvm_cv_platform_type="Unix" ;;
232 llvm_cv_link_all_option="-Wl,-z,allextract"
233 llvm_cv_link_all_option="-Wl,-z,defaultextract"
234 llvm_cv_os_type="AuroraUX"
235 llvm_cv_platform_type="Unix" ;;
237 llvm_cv_link_all_option="-Wl,--whole-archive"
238 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
239 llvm_cv_os_type="Win32"
240 llvm_cv_platform_type="Win32" ;;
242 llvm_cv_link_all_option="-Wl,--whole-archive"
243 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
244 llvm_cv_os_type="MingW"
245 llvm_cv_platform_type="Win32" ;;
247 llvm_cv_link_all_option="-Wl,--whole-archive"
248 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
249 llvm_cv_os_type="Haiku"
250 llvm_cv_platform_type="Unix" ;;
252 llvm_cv_link_all_option="-Wl,--whole-archive"
253 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
254 llvm_cv_os_type="Freestanding"
255 llvm_cv_platform_type="Unix" ;;
257 llvm_cv_link_all_option="-Wl,--whole-archive"
258 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
259 llvm_cv_os_type="Freestanding"
260 llvm_cv_platform_type="Unix" ;;
262 llvm_cv_link_all_option=""
263 llvm_cv_no_link_all_option=""
264 llvm_cv_os_type="Unknown"
265 llvm_cv_platform_type="Unknown" ;;
268 AC_CACHE_CHECK([type of operating system we're going to target],
269 [llvm_cv_target_os_type],
272 llvm_cv_target_os_type="AIX" ;;
274 llvm_cv_target_os_type="IRIX" ;;
276 llvm_cv_target_os_type="Cygwin" ;;
278 llvm_cv_target_os_type="Darwin" ;;
280 llvm_cv_target_os_type="Minix" ;;
282 llvm_cv_target_os_type="FreeBSD" ;;
284 llvm_cv_target_os_type="OpenBSD" ;;
286 llvm_cv_target_os_type="NetBSD" ;;
288 llvm_cv_target_os_type="DragonFly" ;;
290 llvm_cv_target_os_type="HP-UX" ;;
292 llvm_cv_target_os_type="Interix" ;;
294 llvm_cv_target_os_type="Linux" ;;
296 llvm_cv_target_os_type="SunOS" ;;
298 llvm_cv_target_os_type="AuroraUX" ;;
300 llvm_cv_target_os_type="Win32" ;;
302 llvm_cv_target_os_type="MingW" ;;
304 llvm_cv_target_os_type="Haiku" ;;
306 llvm_cv_target_os_type="RTEMS" ;;
308 llvm_cv_target_os_type="NativeClient" ;;
310 llvm_cv_target_os_type="Freestanding" ;;
312 llvm_cv_target_os_type="Unknown" ;;
315 dnl Make sure we aren't attempting to configure for an unknown system
316 if test "$llvm_cv_os_type" = "Unknown" ; then
317 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
320 dnl Set the "OS" Makefile variable based on the platform type so the
321 dnl makefile can configure itself to specific build hosts
322 AC_SUBST(OS,$llvm_cv_os_type)
323 AC_SUBST(HOST_OS,$llvm_cv_os_type)
324 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
326 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
327 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
328 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
330 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
331 dnl This is used by lib/Support to determine the basic kind of implementation
333 case $llvm_cv_platform_type in
335 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
336 AC_SUBST(LLVM_ON_UNIX,[1])
337 AC_SUBST(LLVM_ON_WIN32,[0])
340 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
341 AC_SUBST(LLVM_ON_UNIX,[0])
342 AC_SUBST(LLVM_ON_WIN32,[1])
346 dnl Determine what our target architecture is and configure accordingly.
347 dnl This will allow Makefiles to make a distinction between the hardware and
349 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
351 i?86-*) llvm_cv_target_arch="x86" ;;
352 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
353 sparc*-*) llvm_cv_target_arch="Sparc" ;;
354 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
355 alpha*-*) llvm_cv_target_arch="Alpha" ;;
356 arm*-*) llvm_cv_target_arch="ARM" ;;
357 mips-*) llvm_cv_target_arch="Mips" ;;
358 xcore-*) llvm_cv_target_arch="XCore" ;;
359 msp430-*) llvm_cv_target_arch="MSP430" ;;
360 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
361 ptx-*) llvm_cv_target_arch="PTX" ;;
362 *) llvm_cv_target_arch="Unknown" ;;
365 if test "$llvm_cv_target_arch" = "Unknown" ; then
366 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
369 # Determine the LLVM native architecture for the target
370 case "$llvm_cv_target_arch" in
371 x86) LLVM_NATIVE_ARCH="X86" ;;
372 x86_64) LLVM_NATIVE_ARCH="X86" ;;
373 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
376 dnl Define a substitution, ARCH, for the target architecture
377 AC_SUBST(ARCH,$llvm_cv_target_arch)
379 dnl Check for the endianness of the target
380 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
382 dnl Check for build platform executable suffix if we're crosscompiling
383 if test "$cross_compiling" = yes; then
384 AC_SUBST(LLVM_CROSS_COMPILING, [1])
386 ac_build_prefix=${build_alias}-
387 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
388 if test -z "$BUILD_CXX"; then
389 AC_CHECK_PROG(BUILD_CXX, g++, g++)
390 if test -z "$BUILD_CXX"; then
391 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
395 AC_SUBST(LLVM_CROSS_COMPILING, [0])
398 dnl Check to see if there's a .svn or .git directory indicating that this
399 dnl build is being done from a checkout. This sets up several defaults for
400 dnl the command line switches. When we build with a checkout directory,
401 dnl we get a debug with assertions turned on. Without, we assume a source
402 dnl release and we get an optimized build without assertions.
403 dnl See --enable-optimized and --enable-assertions below
404 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
407 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
413 dnl===-----------------------------------------------------------------------===
415 dnl=== SECTION 3: Command line arguments for the configure script.
417 dnl===-----------------------------------------------------------------------===
419 dnl --enable-optimized : check whether they want to do an optimized build:
420 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
421 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
422 if test ${enableval} = "no" ; then
423 AC_SUBST(ENABLE_OPTIMIZED,[[]])
425 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
428 dnl --enable-profiling : check whether they want to do a profile build:
429 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
430 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
431 if test ${enableval} = "no" ; then
432 AC_SUBST(ENABLE_PROFILING,[[]])
434 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
437 dnl --enable-assertions : check whether they want to turn on assertions or not:
438 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
439 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
440 if test ${enableval} = "yes" ; then
441 AC_SUBST(DISABLE_ASSERTIONS,[[]])
443 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
446 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
447 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
448 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
449 if test ${enableval} = "yes" ; then
450 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
451 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
453 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
454 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
457 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
458 AC_ARG_ENABLE(debug-runtime,
459 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
460 if test ${enableval} = "no" ; then
461 AC_SUBST(DEBUG_RUNTIME,[[]])
463 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
466 dnl --enable-debug-symbols : should even optimized compiler libraries
467 dnl have debug symbols?
468 AC_ARG_ENABLE(debug-symbols,
469 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)
470 if test ${enableval} = "no" ; then
471 AC_SUBST(DEBUG_SYMBOLS,[[]])
473 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
476 dnl --enable-jit: check whether they want to enable the jit
478 AS_HELP_STRING(--enable-jit,
479 [Enable Just In Time Compiling (default is YES)]),,
481 if test ${enableval} = "no"
485 case "$llvm_cv_target_arch" in
486 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
487 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
488 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
489 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
490 Alpha) AC_SUBST(TARGET_HAS_JIT,0) ;;
491 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
492 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
493 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
494 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
495 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
496 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
497 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
501 dnl Allow enablement of building and installing docs
503 AS_HELP_STRING([--enable-docs],
504 [Build documents (default is YES)]),,
507 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
508 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
509 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
510 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
513 dnl Allow enablement of doxygen generated documentation
514 AC_ARG_ENABLE(doxygen,
515 AS_HELP_STRING([--enable-doxygen],
516 [Build doxygen documentation (default is NO)]),,
519 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
520 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
521 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
522 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
525 dnl Allow disablement of threads
526 AC_ARG_ENABLE(threads,
527 AS_HELP_STRING([--enable-threads],
528 [Use threads if available (default is YES)]),,
531 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
532 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
533 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
534 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
536 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
538 dnl Allow disablement of pthread.h
539 AC_ARG_ENABLE(pthreads,
540 AS_HELP_STRING([--enable-pthreads],
541 [Use pthreads if available (default is YES)]),,
544 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
545 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
546 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
547 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
550 dnl Allow building without position independent code
552 AS_HELP_STRING([--enable-pic],
553 [Build LLVM with Position Independent Code (default is YES)]),,
556 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
557 no) AC_SUBST(ENABLE_PIC,[0]) ;;
558 default) AC_SUBST(ENABLE_PIC,[1]) ;;
559 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
561 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
562 [Define if position independent code is enabled])
564 dnl Allow building a shared library and linking tools against it.
565 AC_ARG_ENABLE(shared,
566 AS_HELP_STRING([--enable-shared],
567 [Build a shared library and link tools against it (default is NO)]),,
570 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
571 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
572 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
573 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
576 dnl Allow libstdc++ is embedded in LLVM.dll.
577 AC_ARG_ENABLE(embed-stdcxx,
578 AS_HELP_STRING([--enable-embed-stdcxx],
579 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
582 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
583 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
584 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
585 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
588 dnl Enable embedding timestamp information into build.
589 AC_ARG_ENABLE(timestamps,
590 AS_HELP_STRING([--enable-timestamps],
591 [Enable embedding timestamp information in build (default is YES)]),,
594 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
595 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
596 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
597 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
599 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
600 [Define if timestamp information (e.g., __DATE___) is allowed])
602 dnl Allow specific targets to be specified for building (or not)
604 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
605 [Build specific host targets: all or target1,target2,... Valid targets are:
606 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu,
607 xcore, msp430, ptx, cbe, and cpp (default=all)]),,
609 if test "$enableval" = host-only ; then
613 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU XCore MSP430 CBackend CppBackend MBlaze PTX" ;;
614 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
616 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
617 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
618 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
619 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
620 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
621 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
622 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
623 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
624 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
625 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
626 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
627 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
628 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
629 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
630 host) case "$llvm_cv_target_arch" in
631 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
632 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
633 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
634 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
635 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
636 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
637 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
638 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
639 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
640 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
641 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
642 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
643 *) AC_MSG_ERROR([Can not set target to build]) ;;
645 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
650 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
652 # Determine whether we are building LLVM support for the native architecture.
653 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
654 for a_target in $TARGETS_TO_BUILD; do
655 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
656 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
657 [LLVM architecture name for the native architecture, if available])
658 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
659 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
660 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
661 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
662 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
663 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
665 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
666 [LLVM name for the native Target init function, if available])
667 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
668 [LLVM name for the native TargetInfo init function, if available])
669 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
670 [LLVM name for the native target MC init function, if available])
671 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
672 [LLVM name for the native AsmPrinter init function, if available])
673 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
674 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
675 [LLVM name for the native AsmParser init function, if available])
680 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
681 # target feature def files.
683 LLVM_ENUM_ASM_PRINTERS=""
684 LLVM_ENUM_ASM_PARSERS=""
685 LLVM_ENUM_DISASSEMBLERS=""
686 for target_to_build in $TARGETS_TO_BUILD; do
687 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
688 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
689 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
691 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
692 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
694 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
695 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
698 AC_SUBST(LLVM_ENUM_TARGETS)
699 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
700 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
701 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
703 dnl Prevent the CBackend from using printf("%a") for floating point so older
704 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
705 dnl can still compile the CBE's output
706 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
707 [Enable C Backend output with hex floating point via %a (default is YES)]),,
710 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
711 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
712 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
713 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
715 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
716 [Define if CBE is enabled for printf %a output])
718 dnl Override the option to use for optimized builds.
719 AC_ARG_WITH(optimize-option,
720 AS_HELP_STRING([--with-optimize-option],
721 [Select the compiler options to use for optimized builds]),,
723 AC_MSG_CHECKING([optimization flags])
726 case "$llvm_cv_os_type" in
727 FreeBSD) optimize_option=-O2 ;;
728 MingW) optimize_option=-O2 ;;
729 *) optimize_option=-O3 ;;
731 *) optimize_option="$withval" ;;
733 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
734 AC_MSG_RESULT([$optimize_option])
736 dnl Specify extra build options
737 AC_ARG_WITH(extra-options,
738 AS_HELP_STRING([--with-extra-options],
739 [Specify additional options to compile LLVM with]),,
742 default) EXTRA_OPTIONS= ;;
743 *) EXTRA_OPTIONS=$withval ;;
745 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
747 dnl Specify extra linker build options
748 AC_ARG_WITH(extra-ld-options,
749 AS_HELP_STRING([--with-extra-ld-options],
750 [Specify additional options to link LLVM with]),,
753 default) EXTRA_LD_OPTIONS= ;;
754 *) EXTRA_LD_OPTIONS=$withval ;;
756 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
758 dnl Allow specific bindings to be specified for building (or not)
759 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
760 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
764 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
765 all ) BINDINGS_TO_BUILD="ocaml" ;;
766 none | no) BINDINGS_TO_BUILD="" ;;
767 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
769 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
770 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
776 dnl Allow the ocaml libdir to be overridden. This could go in a configure
777 dnl script for bindings/ocaml/configure, except that its auto value depends on
778 dnl OCAMLC, which is found here to support tests.
779 AC_ARG_WITH([ocaml-libdir],
780 [AS_HELP_STRING([--with-ocaml-libdir],
781 [Specify install location for ocaml bindings (default is stdlib)])],
785 auto) with_ocaml_libdir="$withval" ;;
786 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
787 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
790 AC_ARG_WITH(clang-srcdir,
791 AS_HELP_STRING([--with-clang-srcdir],
792 [Directory to the out-of-tree Clang source]),,
795 -) clang_src_root="" ;;
796 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
797 *) clang_src_root="$ac_pwd/$withval" ;;
799 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
801 AC_ARG_WITH(clang-resource-dir,
802 AS_HELP_STRING([--with-clang-resource-dir],
803 [Relative directory from the Clang binary for resource files]),,
805 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
806 [Relative directory for resource files])
808 AC_ARG_WITH(c-include-dirs,
809 AS_HELP_STRING([--with-c-include-dirs],
810 [Colon separated list of directories clang will search for headers]),,
812 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
813 [Directories clang will search for headers])
815 AC_ARG_WITH(cxx-include-root,
816 AS_HELP_STRING([--with-cxx-include-root],
817 [Directory with the libstdc++ headers.]),,
819 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
820 [Directory with the libstdc++ headers.])
822 AC_ARG_WITH(cxx-include-arch,
823 AS_HELP_STRING([--with-cxx-include-arch],
824 [Architecture of the libstdc++ headers.]),,
826 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
827 [Arch the libstdc++ headers.])
829 AC_ARG_WITH(cxx-include-32bit-dir,
830 AS_HELP_STRING([--with-cxx-include-32bit-dir],
831 [32 bit multilib dir.]),,
833 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
834 [32 bit multilib directory.])
836 AC_ARG_WITH(cxx-include-64bit-dir,
837 AS_HELP_STRING([--with-cxx-include-64bit-dir],
838 [64 bit multilib directory.]),,
840 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
841 [64 bit multilib directory.])
843 dnl Allow linking of LLVM with GPLv3 binutils code.
844 AC_ARG_WITH(binutils-include,
845 AS_HELP_STRING([--with-binutils-include],
846 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
849 default) WITH_BINUTILS_INCDIR=default ;;
850 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
851 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
853 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
854 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
855 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
856 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
857 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
861 dnl Specify the URL where bug reports should be submitted.
862 AC_ARG_WITH(bug-report-url,
863 AS_HELP_STRING([--with-bug-report-url],
864 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
865 withval="http://llvm.org/bugs/")
866 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
869 dnl --enable-libffi : check whether the user wants to turn off libffi:
870 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
871 --enable-libffi,[Check for the presence of libffi (default is NO)]),
872 [case "$enableval" in
873 yes) llvm_cv_enable_libffi="yes" ;;
874 no) llvm_cv_enable_libffi="no" ;;
875 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
877 llvm_cv_enable_libffi=no)
879 dnl===-----------------------------------------------------------------------===
881 dnl=== SECTION 4: Check for programs we need and that they are the right version
883 dnl===-----------------------------------------------------------------------===
888 dnl Check for the tools that the makefiles require
891 AC_PATH_PROG(CMP, [cmp], [cmp])
892 AC_PATH_PROG(CP, [cp], [cp])
893 AC_PATH_PROG(DATE, [date], [date])
894 AC_PATH_PROG(FIND, [find], [find])
895 AC_PATH_PROG(GREP, [grep], [grep])
896 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
897 AC_PATH_PROG(MV, [mv], [mv])
899 AC_CHECK_TOOL(AR, ar, false)
900 AC_PATH_PROG(RM, [rm], [rm])
901 AC_PATH_PROG(SED, [sed], [sed])
902 AC_PATH_PROG(TAR, [tar], [gtar])
903 AC_PATH_PROG(BINPWD,[pwd], [pwd])
905 dnl Looking for misc. graph plotting software
906 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
907 if test "$GRAPHVIZ" != "echo Graphviz" ; then
908 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
909 dnl If we're targeting for mingw we should emit windows paths, not msys
910 if test "$llvm_cv_os_type" = "MingW" ; then
911 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
913 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
914 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
916 AC_PATH_PROG(DOT, [dot], [echo dot])
917 if test "$DOT" != "echo dot" ; then
918 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
919 dnl If we're targeting for mingw we should emit windows paths, not msys
920 if test "$llvm_cv_os_type" = "MingW" ; then
921 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
923 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
924 [Define to path to dot program if found or 'echo dot' otherwise])
926 AC_PATH_PROG(FDP, [fdp], [echo fdp])
927 if test "$FDP" != "echo fdp" ; then
928 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
929 dnl If we're targeting for mingw we should emit windows paths, not msys
930 if test "$llvm_cv_os_type" = "MingW" ; then
931 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
933 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
934 [Define to path to fdp program if found or 'echo fdp' otherwise])
936 AC_PATH_PROG(NEATO, [neato], [echo neato])
937 if test "$NEATO" != "echo neato" ; then
938 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
939 dnl If we're targeting for mingw we should emit windows paths, not msys
940 if test "$llvm_cv_os_type" = "MingW" ; then
941 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
943 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
944 [Define to path to neato program if found or 'echo neato' otherwise])
946 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
947 if test "$TWOPI" != "echo twopi" ; then
948 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
949 dnl If we're targeting for mingw we should emit windows paths, not msys
950 if test "$llvm_cv_os_type" = "MingW" ; then
951 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
953 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
954 [Define to path to twopi program if found or 'echo twopi' otherwise])
956 AC_PATH_PROG(CIRCO, [circo], [echo circo])
957 if test "$CIRCO" != "echo circo" ; then
958 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
959 dnl If we're targeting for mingw we should emit windows paths, not msys
960 if test "$llvm_cv_os_type" = "MingW" ; then
961 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
963 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
964 [Define to path to circo program if found or 'echo circo' otherwise])
966 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
967 if test "$GV" != "echo gv" ; then
968 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
969 dnl If we're targeting for mingw we should emit windows paths, not msys
970 if test "$llvm_cv_os_type" = "MingW" ; then
971 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
973 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
974 [Define to path to gv program if found or 'echo gv' otherwise])
976 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
977 if test "$DOTTY" != "echo dotty" ; then
978 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
979 dnl If we're targeting for mingw we should emit windows paths, not msys
980 if test "$llvm_cv_os_type" = "MingW" ; then
981 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
983 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
984 [Define to path to dotty program if found or 'echo dotty' otherwise])
986 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
987 if test "$XDOT_PY" != "echo xdot.py" ; then
988 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
989 dnl If we're targeting for mingw we should emit windows paths, not msys
990 if test "$llvm_cv_os_type" = "MingW" ; then
991 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
993 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
994 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
997 dnl Look for a sufficiently recent version of Perl.
998 LLVM_PROG_PERL([5.006])
1000 if test x"$PERL" = xnone; then
1001 AC_SUBST(HAVE_PERL,0)
1002 AC_MSG_ERROR([perl is required but was not found, please install it])
1004 AC_SUBST(HAVE_PERL,1)
1007 dnl Find the install program
1009 dnl Prepend src dir to install path dir if it's a relative path
1010 dnl This is a hack for installs that take place in something other
1011 dnl than the top level.
1013 [[\\/$]]* | ?:[[\\/]]* ) ;;
1014 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1017 dnl Checks for documentation and testing tools that we can do without. If these
1018 dnl are not found then they are set to "true" which always succeeds but does
1019 dnl nothing. This just lets the build output show that we could have done
1020 dnl something if the tool was available.
1021 AC_PATH_PROG(BZIP2, [bzip2])
1022 AC_PATH_PROG(CAT, [cat])
1023 AC_PATH_PROG(DOXYGEN, [doxygen])
1024 AC_PATH_PROG(GROFF, [groff])
1025 AC_PATH_PROG(GZIPBIN, [gzip])
1026 AC_PATH_PROG(POD2HTML, [pod2html])
1027 AC_PATH_PROG(POD2MAN, [pod2man])
1028 AC_PATH_PROG(PDFROFF, [pdfroff])
1029 AC_PATH_PROG(RUNTEST, [runtest])
1031 AC_PATH_PROG(ZIP, [zip])
1032 AC_PATH_PROGS(OCAMLC, [ocamlc])
1033 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1034 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1035 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1036 AC_PATH_PROGS(GAS, [gas as])
1038 dnl Get the version of the linker in use.
1041 dnl Determine whether the linker supports the -R option.
1044 dnl Determine whether the linker supports the -export-dynamic option.
1045 AC_LINK_EXPORT_DYNAMIC
1047 dnl Determine whether the linker supports the --version-script option.
1048 AC_LINK_VERSION_SCRIPT
1050 dnl Check for libtool and the library that has dlopen function (which must come
1051 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1056 AC_MSG_CHECKING([tool compatibility])
1058 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1059 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1060 dnl to support those options.
1061 dnl "icc" emits gcc signatures
1062 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1074 if test "$GCC" != "yes" && test "$ICC" != "yes"
1076 AC_MSG_ERROR([gcc|icc required but not found])
1079 dnl Ensure that compilation tools are compatible with GCC extensions
1080 if test "$GXX" != "yes" && test "$IXX" != "yes"
1082 AC_MSG_ERROR([g++|clang++|icc required but not found])
1085 dnl Verify that GCC is version 3.0 or higher
1086 if test "$GCC" = "yes"
1088 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1089 #error Unsupported GCC version
1091 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1094 dnl Check for GNU Make. We use its extensions, so don't build without it
1095 if test -z "$llvm_cv_gnu_make_command"
1097 AC_MSG_ERROR([GNU Make required but not found])
1100 dnl Tool compatibility is okay if we make it here.
1103 dnl Check optional compiler flags.
1104 AC_MSG_CHECKING([optional compiler flags])
1105 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1106 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1107 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1109 dnl===-----------------------------------------------------------------------===
1111 dnl=== SECTION 5: Check for libraries
1113 dnl===-----------------------------------------------------------------------===
1116 if test "$llvm_cv_os_type" = "MingW" ; then
1117 AC_CHECK_LIB(imagehlp, main)
1118 AC_CHECK_LIB(psapi, main)
1121 dnl dlopen() is required for plugin support.
1122 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1123 [Define if dlopen() is available on this platform.]),
1124 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1126 dnl libffi is optional; used to call external functions from the interpreter
1127 if test "$llvm_cv_enable_libffi" = "yes" ; then
1128 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1129 [Define if libffi is available on this platform.]),
1130 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1133 dnl mallinfo is optional; the code can compile (minus features) without it
1134 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1135 [Define if mallinfo() is available on this platform.]))
1137 dnl pthread locking functions are optional - but llvm will not be thread-safe
1139 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1140 AC_CHECK_LIB(pthread, pthread_mutex_init)
1141 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1142 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1143 [Have pthread_mutex_lock]))
1144 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1145 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1146 [Have pthread_rwlock_init]))
1147 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1148 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1149 [Have pthread_getspecific]))
1152 dnl Allow extra x86-disassembler library
1154 AS_HELP_STRING([--with-udis86=<path>],
1155 [Use udis86 external x86 disassembler library]),
1157 AC_SUBST(USE_UDIS86, [1])
1160 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1162 AC_CHECK_LIB(udis86, ud_init, [], [
1163 echo "Error! You need to have libudis86 around."
1167 AC_SUBST(USE_UDIS86, [0]))
1168 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1169 [Define if use udis86 library])
1171 dnl Allow OProfile support for JIT output.
1172 AC_ARG_WITH(oprofile,
1173 AS_HELP_STRING([--with-oprofile=<prefix>],
1174 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1176 AC_SUBST(USE_OPROFILE, [1])
1178 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1180 AC_SUBST(USE_OPROFILE, [0]) ;;
1181 *) llvm_cv_oppath="${withval}/lib/oprofile"
1182 CPPFLAGS="-I${withval}/include";;
1184 if test -n "$llvm_cv_oppath" ; then
1185 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1186 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1187 dnl libbfd is not included properly in libopagent in some Debian
1188 dnl versions. If libbfd isn't found at all, we assume opagent works
1190 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1191 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1192 echo "Error! You need to have libopagent around."
1195 AC_CHECK_HEADER([opagent.h], [], [
1196 echo "Error! You need to have opagent.h around."
1202 AC_SUBST(USE_OPROFILE, [0])
1204 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1205 [Define if we have the oprofile JIT-support library])
1207 dnl===-----------------------------------------------------------------------===
1209 dnl=== SECTION 6: Check for header files
1211 dnl===-----------------------------------------------------------------------===
1213 dnl First, use autoconf provided macros for specific headers that we need
1214 dnl We don't check for ancient stuff or things that are guaranteed to be there
1215 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1216 dnl Generally we're looking for POSIX headers.
1218 AC_HEADER_MMAP_ANONYMOUS
1223 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1224 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1225 AC_CHECK_HEADERS([utime.h windows.h])
1226 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1227 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1228 AC_CHECK_HEADERS([valgrind/valgrind.h])
1229 AC_CHECK_HEADERS([fenv.h])
1230 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1231 AC_CHECK_HEADERS(pthread.h,
1232 AC_SUBST(HAVE_PTHREAD, 1),
1233 AC_SUBST(HAVE_PTHREAD, 0))
1235 AC_SUBST(HAVE_PTHREAD, 0)
1238 dnl Try to find ffi.h.
1239 if test "$llvm_cv_enable_libffi" = "yes" ; then
1240 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1243 dnl Try to find Darwin specific crash reporting libraries.
1244 AC_CHECK_HEADERS([CrashReporterClient.h])
1246 dnl Try to find Darwin specific crash reporting global.
1247 AC_MSG_CHECKING([__crashreporter_info__])
1250 [[extern const char *__crashreporter_info__;
1252 __crashreporter_info__ = "test";
1257 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1259 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1260 Define if __crashreporter_info__ exists.))
1262 dnl===-----------------------------------------------------------------------===
1264 dnl=== SECTION 7: Check for types and structures
1266 dnl===-----------------------------------------------------------------------===
1271 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1273 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1274 AC_CHECK_TYPES([uint64_t],,
1275 AC_CHECK_TYPES([u_int64_t],,
1276 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1278 dnl===-----------------------------------------------------------------------===
1280 dnl=== SECTION 8: Check for specific functions needed
1282 dnl===-----------------------------------------------------------------------===
1284 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1285 AC_CHECK_FUNCS([powf fmodf strtof round ])
1286 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1287 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1288 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1289 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1290 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1291 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1295 dnl Check the declaration "Secure API" on Windows environments.
1296 AC_CHECK_DECLS([strerror_s])
1298 dnl Check symbols in libgcc.a for JIT on Mingw.
1299 if test "$llvm_cv_os_type" = "MingW" ; then
1300 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1301 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1302 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1303 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1305 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1306 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1307 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1308 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1309 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1310 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1311 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1312 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1313 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1314 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1316 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1317 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1320 dnl Check Win32 API EnumerateLoadedModules.
1321 if test "$llvm_cv_os_type" = "MingW" ; then
1322 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1323 AC_COMPILE_IFELSE([[#include <windows.h>
1324 #include <imagehlp.h>
1325 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1326 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1328 AC_MSG_RESULT([yes])
1329 llvm_cv_win32_elmcb_pcstr="PCSTR"
1333 llvm_cv_win32_elmcb_pcstr="PSTR"
1335 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1338 dnl Check for variations in the Standard C++ library and STL. These macros are
1339 dnl provided by LLVM in the autoconf/m4 directory.
1343 dnl Check for mmap support.We also need to know if /dev/zero is required to
1344 dnl be opened for allocating RWX memory.
1345 dnl Make sure we aren't attempting to configure for an unknown system
1346 if test "$llvm_cv_platform_type" = "Unix" ; then
1349 AC_NEED_DEV_ZERO_FOR_MMAP
1351 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1353 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1355 if test "$ac_cv_func_mmap_file" = "no"
1357 AC_MSG_WARN([mmap() of files required but not found])
1361 dnl atomic builtins are required for threading support.
1362 AC_MSG_CHECKING(for GCC atomic builtins)
1363 dnl Since we'll be using these atomic builtins in C++ files we should test
1364 dnl the C++ compiler.
1369 volatile unsigned long val = 1;
1370 __sync_synchronize();
1371 __sync_val_compare_and_swap(&val, 1, 0);
1372 __sync_add_and_fetch(&val, 1);
1373 __sync_sub_and_fetch(&val, 1);
1379 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1381 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1382 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1384 dnl===-----------------------------------------------------------------------===
1386 dnl=== SECTION 9: Additional checks, variables, etc.
1388 dnl===-----------------------------------------------------------------------===
1390 dnl Handle 32-bit linux systems running a 64-bit kernel.
1391 dnl This has to come after section 4 because it invokes the compiler.
1392 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1394 if test "$llvm_cv_linux_mixed" = "yes"; then
1395 llvm_cv_target_arch="x86"
1400 dnl Check whether __dso_handle is present
1401 AC_CHECK_FUNCS([__dso_handle])
1403 dnl Propagate the shared library extension that the libltdl checks did to
1404 dnl the Makefiles so we can use it there too
1405 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1407 dnl Propagate the run-time library path variable that the libltdl
1408 dnl checks found to the Makefiles so we can use it there too
1409 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1411 # Translate the various configuration directories and other basic
1412 # information into substitutions that will end up in Makefile.config.in
1413 # that these configured values can be used by the makefiles
1414 if test "${prefix}" = "NONE" ; then
1417 eval LLVM_PREFIX="${prefix}";
1418 eval LLVM_BINDIR="${prefix}/bin";
1419 eval LLVM_LIBDIR="${prefix}/lib";
1420 eval LLVM_DATADIR="${prefix}/share/llvm";
1421 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1422 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1423 eval LLVM_INCLUDEDIR="${prefix}/include";
1424 eval LLVM_INFODIR="${prefix}/info";
1425 eval LLVM_MANDIR="${prefix}/man";
1426 LLVM_CONFIGTIME=`date`
1427 AC_SUBST(LLVM_PREFIX)
1428 AC_SUBST(LLVM_BINDIR)
1429 AC_SUBST(LLVM_LIBDIR)
1430 AC_SUBST(LLVM_DATADIR)
1431 AC_SUBST(LLVM_DOCSDIR)
1432 AC_SUBST(LLVM_ETCDIR)
1433 AC_SUBST(LLVM_INCLUDEDIR)
1434 AC_SUBST(LLVM_INFODIR)
1435 AC_SUBST(LLVM_MANDIR)
1436 AC_SUBST(LLVM_CONFIGTIME)
1438 # Place the various directores into the config.h file as #defines so that we
1439 # can know about the installation paths within LLVM.
1440 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1441 [Installation prefix directory])
1442 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1443 [Installation directory for binary executables])
1444 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1445 [Installation directory for libraries])
1446 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1447 [Installation directory for data files])
1448 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1449 [Installation directory for documentation])
1450 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1451 [Installation directory for config files])
1452 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1453 [Installation directory for include files])
1454 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1455 [Installation directory for .info files])
1456 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1457 [Installation directory for man pages])
1458 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1459 [Time at which LLVM was configured])
1460 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1461 [Host triple we were built on])
1463 # Determine which bindings to build.
1464 if test "$BINDINGS_TO_BUILD" = auto ; then
1465 BINDINGS_TO_BUILD=""
1466 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1467 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1470 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1472 # This isn't really configurey, but it avoids having to repeat the list in
1474 AC_SUBST(ALL_BINDINGS,ocaml)
1476 # Do any work necessary to ensure that bindings have what they need.
1477 binding_prereqs_failed=0
1478 for a_binding in $BINDINGS_TO_BUILD ; do
1479 case "$a_binding" in
1481 if test "x$OCAMLC" = x ; then
1482 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1483 binding_prereqs_failed=1
1485 if test "x$OCAMLDEP" = x ; then
1486 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1487 binding_prereqs_failed=1
1489 if test "x$OCAMLOPT" = x ; then
1490 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1491 dnl ocamlopt is optional!
1493 if test "x$with_ocaml_libdir" != xauto ; then
1494 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1496 ocaml_stdlib="`"$OCAMLC" -where`"
1497 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1499 # ocaml stdlib is beneath our prefix; use stdlib
1500 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1502 # ocaml stdlib is outside our prefix; use libdir/ocaml
1503 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1509 if test "$binding_prereqs_failed" = 1 ; then
1510 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1513 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1514 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1516 dnl Determine linker rpath flag
1517 if test "$llvm_cv_link_use_r" = "yes" ; then
1524 dnl Determine linker rdynamic flag
1525 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1526 RDYNAMIC="-Wl,-export-dynamic"
1532 dnl===-----------------------------------------------------------------------===
1534 dnl=== SECTION 10: Specify the output files and generate it
1536 dnl===-----------------------------------------------------------------------===
1538 dnl Configure header files
1539 dnl WARNING: dnl If you add or remove any of the following config headers, then
1540 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1541 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1542 dnl files can be updated automatically when their *.in sources change.
1543 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1544 AH_TOP([#ifndef CONFIG_H
1548 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1549 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1550 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1551 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1552 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1554 dnl Configure the makefile's configuration data
1555 AC_CONFIG_FILES([Makefile.config])
1557 dnl Configure the RPM spec file for LLVM
1558 AC_CONFIG_FILES([llvm.spec])
1560 dnl Configure doxygen's configuration file
1561 AC_CONFIG_FILES([docs/doxygen.cfg])
1562 if test -f ${srcdir}/tools/clang/README.txt; then
1563 AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg])
1566 dnl Do the first stage of configuration for llvm-config.in.
1567 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1569 dnl OCaml findlib META file
1570 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1572 dnl Do special configuration of Makefiles
1573 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1574 AC_CONFIG_MAKEFILE(Makefile)
1575 AC_CONFIG_MAKEFILE(Makefile.common)
1576 AC_CONFIG_MAKEFILE(examples/Makefile)
1577 AC_CONFIG_MAKEFILE(lib/Makefile)
1578 AC_CONFIG_MAKEFILE(runtime/Makefile)
1579 AC_CONFIG_MAKEFILE(test/Makefile)
1580 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1581 AC_CONFIG_MAKEFILE(unittests/Makefile)
1582 AC_CONFIG_MAKEFILE(tools/Makefile)
1583 AC_CONFIG_MAKEFILE(utils/Makefile)
1584 AC_CONFIG_MAKEFILE(projects/Makefile)
1585 AC_CONFIG_MAKEFILE(bindings/Makefile)
1586 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1588 dnl Finally, crank out the output