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]],[[2.9svn]],[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) 2003-2010 University of Illinois at Urbana-Champaign."])
39 AC_COPYRIGHT([Copyright (c) 2003-2010 University of Illinois at Urbana-Champaign.])
41 dnl Indicate that we require autoconf 2.59 or later. Ths is needed because we
42 dnl use some autoconf macros only available in 2.59.
45 dnl Verify that the source directory is valid. This makes sure that we are
46 dnl configuring LLVM and not some other package (it validates --srcdir argument)
47 AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp])
49 dnl Place all of the extra autoconf files into the config subdirectory. Tell
50 dnl various tools where the m4 autoconf macros are.
51 AC_CONFIG_AUX_DIR([autoconf])
53 dnl Quit if the source directory has already been configured.
54 dnl NOTE: This relies upon undocumented autoconf behavior.
55 if test ${srcdir} != "." ; then
56 if test -f ${srcdir}/include/llvm/Config/config.h ; then
57 AC_MSG_ERROR([Already configured in ${srcdir}])
61 dnl Configure all of the projects present in our source tree. While we could
62 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
63 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
64 dnl Instead we match on the known projects.
67 dnl One tricky part of doing this is that some projects depend upon other
68 dnl projects. For example, several projects rely upon the LLVM test suite.
69 dnl We want to configure those projects first so that their object trees are
70 dnl created before running the configure scripts of projects that depend upon
74 dnl Several projects use llvm-gcc, so configure that first
75 if test -d ${srcdir}/projects/llvm-gcc ; then
76 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
79 dnl Several projects use the LLVM test suite, so configure it next.
80 if test -d ${srcdir}/projects/test-suite ; then
81 AC_CONFIG_SUBDIRS([projects/test-suite])
84 dnl llvm-test is the old name of the test-suite, kept here for backwards
86 if test -d ${srcdir}/projects/llvm-test ; then
87 AC_CONFIG_SUBDIRS([projects/llvm-test])
90 dnl Some projects use poolalloc; configure that next
91 if test -d ${srcdir}/projects/poolalloc ; then
92 AC_CONFIG_SUBDIRS([projects/poolalloc])
95 if test -d ${srcdir}/projects/llvm-poolalloc ; then
96 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
99 dnl Check for all other projects
100 for i in `ls ${srcdir}/projects`
102 if test -d ${srcdir}/projects/${i} ; then
104 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
105 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
106 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
107 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
108 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
109 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
110 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
111 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
118 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
124 dnl Disable the build of polly, even if it is checked out into tools/polly.
126 AS_HELP_STRING([--enable-polly],
127 [Use polly if available (default is YES)]),,
130 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
131 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
132 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
133 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
137 dnl Check if polly is checked out into tools/polly and configure it if
139 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
140 AC_SUBST(LLVM_HAS_POLLY,1)
141 AC_CONFIG_SUBDIRS([tools/polly])
144 dnl===-----------------------------------------------------------------------===
146 dnl=== SECTION 2: Architecture, target, and host checks
148 dnl===-----------------------------------------------------------------------===
150 dnl Check the target for which we're compiling and the host that will do the
151 dnl compilations. This will tell us which LLVM compiler will be used for
152 dnl compiling SSA into object code. This needs to be done early because
153 dnl following tests depend on it.
156 dnl Determine the platform type and cache its value. This helps us configure
157 dnl the System library to the correct build platform.
158 AC_CACHE_CHECK([type of operating system we're going to host on],
162 llvm_cv_link_all_option="-Wl,--whole-archive"
163 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
164 llvm_cv_os_type="AIX"
165 llvm_cv_platform_type="Unix" ;;
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="IRIX"
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="Cygwin"
175 llvm_cv_platform_type="Unix" ;;
177 llvm_cv_link_all_option="-Wl,-all_load"
178 llvm_cv_no_link_all_option="-Wl,-noall_load"
179 llvm_cv_os_type="Darwin"
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="Minix"
185 llvm_cv_platform_type="Unix" ;;
187 llvm_cv_link_all_option="-Wl,--whole-archive"
188 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
189 llvm_cv_os_type="FreeBSD"
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="OpenBSD"
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="NetBSD"
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="DragonFly"
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="HP-UX"
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="Interix"
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="Linux"
220 llvm_cv_platform_type="Unix" ;;
222 llvm_cv_link_all_option="-Wl,-z,allextract"
223 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
224 llvm_cv_os_type="SunOS"
225 llvm_cv_platform_type="Unix" ;;
227 llvm_cv_link_all_option="-Wl,-z,allextract"
228 llvm_cv_link_all_option="-Wl,-z,defaultextract"
229 llvm_cv_os_type="AuroraUX"
230 llvm_cv_platform_type="Unix" ;;
232 llvm_cv_link_all_option="-Wl,--whole-archive"
233 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
234 llvm_cv_os_type="Win32"
235 llvm_cv_platform_type="Win32" ;;
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="MingW"
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="Haiku"
245 llvm_cv_platform_type="Unix" ;;
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="Freestanding"
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=""
258 llvm_cv_no_link_all_option=""
259 llvm_cv_os_type="Unknown"
260 llvm_cv_platform_type="Unknown" ;;
263 AC_CACHE_CHECK([type of operating system we're going to target],
264 [llvm_cv_target_os_type],
267 llvm_cv_target_os_type="AIX" ;;
269 llvm_cv_target_os_type="IRIX" ;;
271 llvm_cv_target_os_type="Cygwin" ;;
273 llvm_cv_target_os_type="Darwin" ;;
275 llvm_cv_target_os_type="Minix" ;;
277 llvm_cv_target_os_type="FreeBSD" ;;
279 llvm_cv_target_os_type="OpenBSD" ;;
281 llvm_cv_target_os_type="NetBSD" ;;
283 llvm_cv_target_os_type="DragonFly" ;;
285 llvm_cv_target_os_type="HP-UX" ;;
287 llvm_cv_target_os_type="Interix" ;;
289 llvm_cv_target_os_type="Linux" ;;
291 llvm_cv_target_os_type="SunOS" ;;
293 llvm_cv_target_os_type="AuroraUX" ;;
295 llvm_cv_target_os_type="Win32" ;;
297 llvm_cv_target_os_type="MingW" ;;
299 llvm_cv_target_os_type="Haiku" ;;
301 llvm_cv_target_os_type="Freestanding" ;;
303 llvm_cv_target_os_type="Unknown" ;;
306 dnl Make sure we aren't attempting to configure for an unknown system
307 if test "$llvm_cv_os_type" = "Unknown" ; then
308 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
311 dnl Set the "OS" Makefile variable based on the platform type so the
312 dnl makefile can configure itself to specific build hosts
313 AC_SUBST(OS,$llvm_cv_os_type)
314 AC_SUBST(HOST_OS,$llvm_cv_os_type)
315 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
317 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
318 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
319 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
321 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
322 dnl This is used by lib/Support to determine the basic kind of implementation
324 case $llvm_cv_platform_type in
326 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
327 AC_SUBST(LLVM_ON_UNIX,[1])
328 AC_SUBST(LLVM_ON_WIN32,[0])
331 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
332 AC_SUBST(LLVM_ON_UNIX,[0])
333 AC_SUBST(LLVM_ON_WIN32,[1])
337 dnl Determine what our target architecture is and configure accordingly.
338 dnl This will allow Makefiles to make a distinction between the hardware and
340 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
342 i?86-*) llvm_cv_target_arch="x86" ;;
343 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
344 sparc*-*) llvm_cv_target_arch="Sparc" ;;
345 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
346 alpha*-*) llvm_cv_target_arch="Alpha" ;;
347 arm*-*) llvm_cv_target_arch="ARM" ;;
348 mips-*) llvm_cv_target_arch="Mips" ;;
349 xcore-*) llvm_cv_target_arch="XCore" ;;
350 msp430-*) llvm_cv_target_arch="MSP430" ;;
351 s390x-*) llvm_cv_target_arch="SystemZ" ;;
352 bfin-*) llvm_cv_target_arch="Blackfin" ;;
353 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
354 ptx-*) llvm_cv_target_arch="PTX" ;;
355 *) llvm_cv_target_arch="Unknown" ;;
358 if test "$llvm_cv_target_arch" = "Unknown" ; then
359 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
362 # Determine the LLVM native architecture for the target
363 case "$llvm_cv_target_arch" in
364 x86) LLVM_NATIVE_ARCH="X86" ;;
365 x86_64) LLVM_NATIVE_ARCH="X86" ;;
366 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
369 dnl Define a substitution, ARCH, for the target architecture
370 AC_SUBST(ARCH,$llvm_cv_target_arch)
372 dnl Check for the endianness of the target
373 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
375 dnl Check for build platform executable suffix if we're crosscompiling
376 if test "$cross_compiling" = yes; then
377 AC_SUBST(LLVM_CROSS_COMPILING, [1])
379 ac_build_prefix=${build_alias}-
380 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
381 if test -z "$BUILD_CXX"; then
382 AC_CHECK_PROG(BUILD_CXX, g++, g++)
383 if test -z "$BUILD_CXX"; then
384 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
388 AC_SUBST(LLVM_CROSS_COMPILING, [0])
391 dnl Check to see if there's a .svn or .git directory indicating that this
392 dnl build is being done from a checkout. This sets up several defaults for
393 dnl the command line switches. When we build with a checkout directory,
394 dnl we get a debug with assertions turned on. Without, we assume a source
395 dnl release and we get an optimized build without assertions.
396 dnl See --enable-optimized and --enable-assertions below
397 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
400 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
406 dnl===-----------------------------------------------------------------------===
408 dnl=== SECTION 3: Command line arguments for the configure script.
410 dnl===-----------------------------------------------------------------------===
412 dnl --enable-optimized : check whether they want to do an optimized build:
413 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
414 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
415 if test ${enableval} = "no" ; then
416 AC_SUBST(ENABLE_OPTIMIZED,[[]])
418 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
421 dnl --enable-profiling : check whether they want to do a profile build:
422 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
423 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
424 if test ${enableval} = "no" ; then
425 AC_SUBST(ENABLE_PROFILING,[[]])
427 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
430 dnl --enable-assertions : check whether they want to turn on assertions or not:
431 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
432 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
433 if test ${enableval} = "yes" ; then
434 AC_SUBST(DISABLE_ASSERTIONS,[[]])
436 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
439 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
440 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
441 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
442 if test ${enableval} = "yes" ; then
443 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
444 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
446 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
447 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
450 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
451 AC_ARG_ENABLE(debug-runtime,
452 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
453 if test ${enableval} = "no" ; then
454 AC_SUBST(DEBUG_RUNTIME,[[]])
456 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
459 dnl --enable-debug-symbols : should even optimized compiler libraries
460 dnl have debug symbols?
461 AC_ARG_ENABLE(debug-symbols,
462 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)
463 if test ${enableval} = "no" ; then
464 AC_SUBST(DEBUG_SYMBOLS,[[]])
466 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
469 dnl --enable-jit: check whether they want to enable the jit
471 AS_HELP_STRING(--enable-jit,
472 [Enable Just In Time Compiling (default is YES)]),,
474 if test ${enableval} = "no"
478 case "$llvm_cv_target_arch" in
479 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
480 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
481 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
482 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
483 Alpha) AC_SUBST(TARGET_HAS_JIT,0) ;;
484 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
485 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
486 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
487 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
488 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
489 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
490 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
491 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
492 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
496 dnl Allow enablement of building and installing docs
498 AS_HELP_STRING([--enable-docs],
499 [Build documents (default is YES)]),,
502 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
503 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
504 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
505 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
508 dnl Allow enablement of doxygen generated documentation
509 AC_ARG_ENABLE(doxygen,
510 AS_HELP_STRING([--enable-doxygen],
511 [Build doxygen documentation (default is NO)]),,
514 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
515 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
516 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
517 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
520 dnl Allow disablement of threads
521 AC_ARG_ENABLE(threads,
522 AS_HELP_STRING([--enable-threads],
523 [Use threads if available (default is YES)]),,
526 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
527 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
528 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
529 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
531 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
533 dnl Allow disablement of pthread.h
534 AC_ARG_ENABLE(pthreads,
535 AS_HELP_STRING([--enable-pthreads],
536 [Use pthreads if available (default is YES)]),,
539 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
540 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
541 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
542 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
545 dnl Allow building without position independent code
547 AS_HELP_STRING([--enable-pic],
548 [Build LLVM with Position Independent Code (default is YES)]),,
551 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
552 no) AC_SUBST(ENABLE_PIC,[0]) ;;
553 default) AC_SUBST(ENABLE_PIC,[1]) ;;
554 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
556 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
557 [Define if position independent code is enabled])
559 dnl Allow building a shared library and linking tools against it.
560 AC_ARG_ENABLE(shared,
561 AS_HELP_STRING([--enable-shared],
562 [Build a shared library and link tools against it (default is NO)]),,
565 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
566 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
567 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
568 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
571 dnl Enable embedding timestamp information into build.
572 AC_ARG_ENABLE(timestamps,
573 AS_HELP_STRING([--enable-timestamps],
574 [Enable embedding timestamp information in build (default is YES)]),,
577 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
578 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
579 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
580 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
582 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
583 [Define if timestamp information (e.g., __DATE___) is allowed])
585 dnl Allow specific targets to be specified for building (or not)
587 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
588 [Build specific host targets: all or target1,target2,... Valid targets are:
589 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu,
590 xcore, msp430, systemz, blackfin, ptx, cbe, and cpp (default=all)]),,
592 if test "$enableval" = host-only ; then
596 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU XCore MSP430 SystemZ Blackfin CBackend CppBackend MBlaze PTX" ;;
597 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
599 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
600 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
601 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
602 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
603 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
604 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
605 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
606 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
607 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
608 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
609 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
610 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
611 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
612 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
613 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
614 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
615 host) case "$llvm_cv_target_arch" in
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 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
624 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
625 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
626 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
627 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
628 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
629 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
630 *) AC_MSG_ERROR([Can not set target to build]) ;;
632 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
637 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
639 # Determine whether we are building LLVM support for the native architecture.
640 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
641 for a_target in $TARGETS_TO_BUILD; do
642 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
643 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
644 [LLVM architecture name for the native architecture, if available])
645 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
646 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
647 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
648 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
649 [LLVM name for the native Target init function, if available])
650 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
651 [LLVM name for the native TargetInfo init function, if available])
652 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
653 [LLVM name for the native AsmPrinter init function, if available])
657 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
658 # target feature def files.
660 LLVM_ENUM_ASM_PRINTERS=""
661 LLVM_ENUM_ASM_PARSERS=""
662 LLVM_ENUM_DISASSEMBLERS=""
663 for target_to_build in $TARGETS_TO_BUILD; do
664 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
665 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
666 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
668 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
669 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
671 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
672 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
675 AC_SUBST(LLVM_ENUM_TARGETS)
676 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
677 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
678 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
680 dnl Prevent the CBackend from using printf("%a") for floating point so older
681 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
682 dnl can still compile the CBE's output
683 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
684 [Enable C Backend output with hex floating point via %a (default is YES)]),,
687 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
688 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
689 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
690 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
692 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
693 [Define if CBE is enabled for printf %a output])
695 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
696 AC_ARG_WITH(llvmgccdir,
697 AS_HELP_STRING([--with-llvmgccdir],
698 [Specify location of llvm-gcc install dir (default searches PATH)]),,
701 default) WITH_LLVMGCCDIR=default ;;
702 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
703 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
706 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
708 AS_HELP_STRING([--with-llvmgcc],
709 [Specify location of llvm-gcc driver (default searches PATH)]),
710 LLVMGCC=$with_llvmgcc
713 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
715 AS_HELP_STRING([--with-llvmgxx],
716 [Specify location of llvm-g++ driver (default searches PATH)]),
717 LLVMGXX=$with_llvmgxx
720 if test -n "$LLVMGCC"; then
721 LLVMGCCCOMMAND="$LLVMGCC"
724 if test -n "$LLVMGXX"; then
725 LLVMGXXCOMMAND="$LLVMGXX"
728 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
729 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
732 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
733 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
736 dnl Allow a specific Clang compiler to be used with this LLVM config.
738 AS_HELP_STRING([--with-clang],
739 [Specify location of clang compiler (default is --with-built-clang)]),
740 [],[with_clang=default])
742 dnl Enable use of the built Clang.
743 AC_ARG_WITH(built-clang,
744 AS_HELP_STRING([--with-built-clang],
745 [Use the compiled Clang as the LLVM compiler (default=check)]),
746 [],[with_built_clang=check])
748 dnl Select the Clang compiler option.
750 dnl If --with-clang is given, always honor that; otherwise honor
751 dnl --with-built-clang, or check if we have the clang sources.
752 AC_MSG_CHECKING([clang compiler])
755 if test "$with_clang" != "default"; then
756 WITH_CLANGPATH="$with_clang"
757 if ! test -x "$WITH_CLANGPATH"; then
758 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
760 elif test "$with_built_clang" = "yes"; then
762 elif test "$with_built_clang" = "no"; then
765 if test "$with_built_clang" != "check"; then
766 AC_MSG_ERROR([invalid value for --with-built-clang.])
769 if test -f ${srcdir}/tools/clang/README.txt; then
774 if ! test -z "$WITH_CLANGPATH"; then
775 AC_MSG_RESULT([$WITH_CLANGPATH])
776 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
777 elif test "$WITH_BUILT_CLANG" = "1"; then
778 AC_MSG_RESULT([built])
780 AC_MSG_RESULT([none])
782 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
783 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
784 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
786 dnl Override the option to use for optimized builds.
787 AC_ARG_WITH(optimize-option,
788 AS_HELP_STRING([--with-optimize-option],
789 [Select the compiler options to use for optimized builds]),,
791 AC_MSG_CHECKING([optimization flags])
794 case "$llvm_cv_os_type" in
795 FreeBSD) optimize_option=-O2 ;;
796 MingW) optimize_option=-O2 ;;
797 *) optimize_option=-O3 ;;
799 *) optimize_option="$withval" ;;
801 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
802 AC_MSG_RESULT([$optimize_option])
804 dnl Specify extra build options
805 AC_ARG_WITH(extra-options,
806 AS_HELP_STRING([--with-extra-options],
807 [Specify additional options to compile LLVM with]),,
810 default) EXTRA_OPTIONS= ;;
811 *) EXTRA_OPTIONS=$withval ;;
813 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
815 dnl Allow specific bindings to be specified for building (or not)
816 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
817 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
821 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
822 all ) BINDINGS_TO_BUILD="ocaml" ;;
823 none | no) BINDINGS_TO_BUILD="" ;;
824 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
826 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
827 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
833 dnl Allow the ocaml libdir to be overridden. This could go in a configure
834 dnl script for bindings/ocaml/configure, except that its auto value depends on
835 dnl OCAMLC, which is found here to support tests.
836 AC_ARG_WITH([ocaml-libdir],
837 [AS_HELP_STRING([--with-ocaml-libdir],
838 [Specify install location for ocaml bindings (default is stdlib)])],
842 auto) with_ocaml_libdir="$withval" ;;
843 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
844 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
847 AC_ARG_WITH(clang-resource-dir,
848 AS_HELP_STRING([--with-clang-resource-dir],
849 [Relative directory from the Clang binary for resource files]),,
851 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
852 [Relative directory for resource files])
854 AC_ARG_WITH(c-include-dirs,
855 AS_HELP_STRING([--with-c-include-dirs],
856 [Colon separated list of directories clang will search for headers]),,
858 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
859 [Directories clang will search for headers])
861 AC_ARG_WITH(cxx-include-root,
862 AS_HELP_STRING([--with-cxx-include-root],
863 [Directory with the libstdc++ headers.]),,
865 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
866 [Directory with the libstdc++ headers.])
868 AC_ARG_WITH(cxx-include-arch,
869 AS_HELP_STRING([--with-cxx-include-arch],
870 [Architecture of the libstdc++ headers.]),,
872 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
873 [Arch the libstdc++ headers.])
875 AC_ARG_WITH(cxx-include-32bit-dir,
876 AS_HELP_STRING([--with-cxx-include-32bit-dir],
877 [32 bit multilib dir.]),,
879 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
880 [32 bit multilib directory.])
882 AC_ARG_WITH(cxx-include-64bit-dir,
883 AS_HELP_STRING([--with-cxx-include-64bit-dir],
884 [64 bit multilib directory.]),,
886 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
887 [64 bit multilib directory.])
889 dnl Allow linking of LLVM with GPLv3 binutils code.
890 AC_ARG_WITH(binutils-include,
891 AS_HELP_STRING([--with-binutils-include],
892 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
895 default) WITH_BINUTILS_INCDIR=default ;;
896 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
897 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
899 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
900 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
901 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
902 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
903 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
907 dnl --enable-libffi : check whether the user wants to turn off libffi:
908 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
909 --enable-libffi,[Check for the presence of libffi (default is NO)]),
910 [case "$enableval" in
911 yes) llvm_cv_enable_libffi="yes" ;;
912 no) llvm_cv_enable_libffi="no" ;;
913 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
915 llvm_cv_enable_libffi=no)
917 dnl===-----------------------------------------------------------------------===
919 dnl=== SECTION 4: Check for programs we need and that they are the right version
921 dnl===-----------------------------------------------------------------------===
923 dnl Check for compilation tools
931 dnl Check for the tools that the makefiles require
934 AC_PATH_PROG(CMP, [cmp], [cmp])
935 AC_PATH_PROG(CP, [cp], [cp])
936 AC_PATH_PROG(DATE, [date], [date])
937 AC_PATH_PROG(FIND, [find], [find])
938 AC_PATH_PROG(GREP, [grep], [grep])
939 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
940 AC_PATH_PROG(MV, [mv], [mv])
942 AC_CHECK_TOOL(AR, ar, false)
943 AC_PATH_PROG(RM, [rm], [rm])
944 AC_PATH_PROG(SED, [sed], [sed])
945 AC_PATH_PROG(TAR, [tar], [gtar])
946 AC_PATH_PROG(BINPWD,[pwd], [pwd])
948 dnl Looking for misc. graph plotting software
949 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
950 if test "$GRAPHVIZ" != "echo Graphviz" ; then
951 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
952 dnl If we're targeting for mingw we should emit windows paths, not msys
953 if test "$llvm_cv_os_type" = "MingW" ; then
954 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
956 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
957 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
959 AC_PATH_PROG(DOT, [dot], [echo dot])
960 if test "$DOT" != "echo dot" ; then
961 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
962 dnl If we're targeting for mingw we should emit windows paths, not msys
963 if test "$llvm_cv_os_type" = "MingW" ; then
964 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
966 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
967 [Define to path to dot program if found or 'echo dot' otherwise])
969 AC_PATH_PROG(FDP, [fdp], [echo fdp])
970 if test "$FDP" != "echo fdp" ; then
971 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
972 dnl If we're targeting for mingw we should emit windows paths, not msys
973 if test "$llvm_cv_os_type" = "MingW" ; then
974 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
976 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
977 [Define to path to fdp program if found or 'echo fdp' otherwise])
979 AC_PATH_PROG(NEATO, [neato], [echo neato])
980 if test "$NEATO" != "echo neato" ; then
981 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
982 dnl If we're targeting for mingw we should emit windows paths, not msys
983 if test "$llvm_cv_os_type" = "MingW" ; then
984 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
986 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
987 [Define to path to neato program if found or 'echo neato' otherwise])
989 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
990 if test "$TWOPI" != "echo twopi" ; then
991 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
992 dnl If we're targeting for mingw we should emit windows paths, not msys
993 if test "$llvm_cv_os_type" = "MingW" ; then
994 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
996 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
997 [Define to path to twopi program if found or 'echo twopi' otherwise])
999 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1000 if test "$CIRCO" != "echo circo" ; then
1001 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1002 dnl If we're targeting for mingw we should emit windows paths, not msys
1003 if test "$llvm_cv_os_type" = "MingW" ; then
1004 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1006 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1007 [Define to path to circo program if found or 'echo circo' otherwise])
1009 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1010 if test "$GV" != "echo gv" ; then
1011 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1012 dnl If we're targeting for mingw we should emit windows paths, not msys
1013 if test "$llvm_cv_os_type" = "MingW" ; then
1014 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1016 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1017 [Define to path to gv program if found or 'echo gv' otherwise])
1019 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1020 if test "$DOTTY" != "echo dotty" ; then
1021 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1022 dnl If we're targeting for mingw we should emit windows paths, not msys
1023 if test "$llvm_cv_os_type" = "MingW" ; then
1024 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1026 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1027 [Define to path to dotty program if found or 'echo dotty' otherwise])
1029 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1030 if test "$XDOT_PY" != "echo xdot.py" ; then
1031 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1032 dnl If we're targeting for mingw we should emit windows paths, not msys
1033 if test "$llvm_cv_os_type" = "MingW" ; then
1034 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1036 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1037 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1040 dnl Look for a sufficiently recent version of Perl.
1041 LLVM_PROG_PERL([5.006])
1043 if test x"$PERL" = xnone; then
1044 AC_SUBST(HAVE_PERL,0)
1045 AC_MSG_ERROR([perl is required but was not found, please install it])
1047 AC_SUBST(HAVE_PERL,1)
1050 dnl Find the install program
1052 dnl Prepend src dir to install path dir if it's a relative path
1053 dnl This is a hack for installs that take place in something other
1054 dnl than the top level.
1056 [[\\/$]]* | ?:[[\\/]]* ) ;;
1057 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1060 dnl Checks for documentation and testing tools that we can do without. If these
1061 dnl are not found then they are set to "true" which always succeeds but does
1062 dnl nothing. This just lets the build output show that we could have done
1063 dnl something if the tool was available.
1064 AC_PATH_PROG(BZIP2, [bzip2])
1065 AC_PATH_PROG(CAT, [cat])
1066 AC_PATH_PROG(DOXYGEN, [doxygen])
1067 AC_PATH_PROG(GROFF, [groff])
1068 AC_PATH_PROG(GZIPBIN, [gzip])
1069 AC_PATH_PROG(POD2HTML, [pod2html])
1070 AC_PATH_PROG(POD2MAN, [pod2man])
1071 AC_PATH_PROG(PDFROFF, [pdfroff])
1072 AC_PATH_PROG(RUNTEST, [runtest])
1074 AC_PATH_PROG(ZIP, [zip])
1075 AC_PATH_PROGS(OCAMLC, [ocamlc])
1076 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1077 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1078 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1079 AC_PATH_PROGS(GAS, [gas as])
1081 dnl Get the version of the linker in use.
1084 dnl Determine whether the linker supports the -R option.
1087 dnl Determine whether the linker supports the -export-dynamic option.
1088 AC_LINK_EXPORT_DYNAMIC
1090 dnl Determine whether the linker supports the --version-script option.
1091 AC_LINK_VERSION_SCRIPT
1093 dnl Check for libtool and the library that has dlopen function (which must come
1094 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1099 if test "$WITH_LLVMGCCDIR" = "default" ; then
1100 LLVMGCC="llvm-gcc${EXEEXT}"
1101 LLVMGXX="llvm-g++${EXEEXT}"
1102 LLVMGCCCOMMAND="$LLVMGCC"
1103 LLVMGXXCOMMAND="$LLVMGXX"
1104 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1105 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1106 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
1107 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
1109 if test -z "$LLVMGCC"; then
1110 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
1111 LLVMGCCCOMMAND="$LLVMGCC"
1113 if test -z "$LLVMGXX"; then
1114 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
1115 LLVMGXXCOMMAND="$LLVMGXX"
1118 AC_SUBST(LLVMGCC,$LLVMGCC)
1119 AC_SUBST(LLVMGXX,$LLVMGXX)
1120 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1121 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1124 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1125 dnl found, otherwise clang if available.
1127 AS_HELP_STRING([--with-llvmcc=<name>],
1128 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1129 [],[with_llvmcc=check])
1130 AC_MSG_CHECKING([LLVM capable compiler])
1131 if test "$with_llvmcc" != "check"; then
1132 if (test "$with_llvmcc" != "llvm-gcc" &&
1133 test "$with_llvmcc" != "clang" &&
1134 test "$with_llvmcc" != "none"); then
1135 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1137 WITH_LLVMCC="$with_llvmcc"
1138 elif test -n "$LLVMGCC"; then
1139 WITH_LLVMCC=llvm-gcc
1140 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1145 AC_MSG_RESULT([$WITH_LLVMCC])
1146 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1148 AC_MSG_CHECKING([tool compatibility])
1150 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1151 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1152 dnl to support those options.
1153 dnl "icc" emits gcc signatures
1154 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1166 if test "$GCC" != "yes" && test "$ICC" != "yes"
1168 AC_MSG_ERROR([gcc|icc required but not found])
1171 dnl Ensure that compilation tools are compatible with GCC extensions
1172 if test "$GXX" != "yes" && test "$IXX" != "yes"
1174 AC_MSG_ERROR([g++|clang++|icc required but not found])
1177 dnl Verify that GCC is version 3.0 or higher
1178 if test "$GCC" = "yes"
1180 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1181 #error Unsupported GCC version
1183 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1186 dnl Check for GNU Make. We use its extensions, so don't build without it
1187 if test -z "$llvm_cv_gnu_make_command"
1189 AC_MSG_ERROR([GNU Make required but not found])
1192 dnl Tool compatibility is okay if we make it here.
1195 dnl Check optional compiler flags.
1196 AC_MSG_CHECKING([optional compiler flags])
1197 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1198 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1199 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1201 dnl===-----------------------------------------------------------------------===
1203 dnl=== SECTION 5: Check for libraries
1205 dnl===-----------------------------------------------------------------------===
1208 if test "$llvm_cv_os_type" = "MingW" ; then
1209 AC_CHECK_LIB(imagehlp, main)
1210 AC_CHECK_LIB(psapi, main)
1213 dnl dlopen() is required for plugin support.
1214 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1215 [Define if dlopen() is available on this platform.]),
1216 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1218 dnl libffi is optional; used to call external functions from the interpreter
1219 if test "$llvm_cv_enable_libffi" = "yes" ; then
1220 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1221 [Define if libffi is available on this platform.]),
1222 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1225 dnl mallinfo is optional; the code can compile (minus features) without it
1226 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1227 [Define if mallinfo() is available on this platform.]))
1229 dnl pthread locking functions are optional - but llvm will not be thread-safe
1231 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1232 AC_CHECK_LIB(pthread, pthread_mutex_init)
1233 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1234 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1235 [Have pthread_mutex_lock]))
1236 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1237 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1238 [Have pthread_rwlock_init]))
1239 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1240 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1241 [Have pthread_getspecific]))
1244 dnl Allow extra x86-disassembler library
1246 AS_HELP_STRING([--with-udis86=<path>],
1247 [Use udis86 external x86 disassembler library]),
1249 AC_SUBST(USE_UDIS86, [1])
1252 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1254 AC_CHECK_LIB(udis86, ud_init, [], [
1255 echo "Error! You need to have libudis86 around."
1259 AC_SUBST(USE_UDIS86, [0]))
1260 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1261 [Define if use udis86 library])
1263 dnl Allow OProfile support for JIT output.
1264 AC_ARG_WITH(oprofile,
1265 AS_HELP_STRING([--with-oprofile=<prefix>],
1266 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1268 AC_SUBST(USE_OPROFILE, [1])
1270 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1272 AC_SUBST(USE_OPROFILE, [0]) ;;
1273 *) llvm_cv_oppath="${withval}/lib/oprofile"
1274 CPPFLAGS="-I${withval}/include";;
1276 if test -n "$llvm_cv_oppath" ; then
1277 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1278 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1279 dnl libbfd is not included properly in libopagent in some Debian
1280 dnl versions. If libbfd isn't found at all, we assume opagent works
1282 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1283 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1284 echo "Error! You need to have libopagent around."
1287 AC_CHECK_HEADER([opagent.h], [], [
1288 echo "Error! You need to have opagent.h around."
1294 AC_SUBST(USE_OPROFILE, [0])
1296 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1297 [Define if we have the oprofile JIT-support library])
1299 dnl===-----------------------------------------------------------------------===
1301 dnl=== SECTION 6: Check for header files
1303 dnl===-----------------------------------------------------------------------===
1305 dnl First, use autoconf provided macros for specific headers that we need
1306 dnl We don't check for ancient stuff or things that are guaranteed to be there
1307 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1308 dnl Generally we're looking for POSIX headers.
1310 AC_HEADER_MMAP_ANONYMOUS
1316 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1317 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1318 AC_CHECK_HEADERS([utime.h windows.h])
1319 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1320 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1321 AC_CHECK_HEADERS([valgrind/valgrind.h])
1322 AC_CHECK_HEADERS([fenv.h])
1323 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1324 AC_CHECK_HEADERS(pthread.h,
1325 AC_SUBST(HAVE_PTHREAD, 1),
1326 AC_SUBST(HAVE_PTHREAD, 0))
1328 AC_SUBST(HAVE_PTHREAD, 0)
1331 dnl Try to find ffi.h.
1332 if test "$llvm_cv_enable_libffi" = "yes" ; then
1333 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1336 dnl Try to find Darwin specific crash reporting libraries.
1337 AC_CHECK_HEADERS([CrashReporterClient.h])
1339 dnl Try to find Darwin specific crash reporting global.
1340 AC_MSG_CHECKING([__crashreporter_info__])
1343 [[extern const char *__crashreporter_info__;
1345 __crashreporter_info__ = "test";
1350 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1352 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1353 Define if __crashreporter_info__ exists.))
1355 dnl===-----------------------------------------------------------------------===
1357 dnl=== SECTION 7: Check for types and structures
1359 dnl===-----------------------------------------------------------------------===
1364 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1366 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1367 AC_CHECK_TYPES([uint64_t],,
1368 AC_CHECK_TYPES([u_int64_t],,
1369 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1371 dnl===-----------------------------------------------------------------------===
1373 dnl=== SECTION 8: Check for specific functions needed
1375 dnl===-----------------------------------------------------------------------===
1377 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1378 AC_CHECK_FUNCS([powf fmodf strtof round ])
1379 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1380 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1381 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1382 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1383 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1384 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1388 dnl Check for variations in the Standard C++ library and STL. These macros are
1389 dnl provided by LLVM in the autoconf/m4 directory.
1393 dnl Check for mmap support.We also need to know if /dev/zero is required to
1394 dnl be opened for allocating RWX memory.
1395 dnl Make sure we aren't attempting to configure for an unknown system
1396 if test "$llvm_cv_platform_type" = "Unix" ; then
1399 AC_NEED_DEV_ZERO_FOR_MMAP
1401 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1403 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1405 if test "$ac_cv_func_mmap_file" = "no"
1407 AC_MSG_WARN([mmap() of files required but not found])
1411 dnl atomic builtins are required for threading support.
1412 AC_MSG_CHECKING(for GCC atomic builtins)
1413 dnl Since we'll be using these atomic builtins in C++ files we should test
1414 dnl the C++ compiler.
1419 volatile unsigned long val = 1;
1420 __sync_synchronize();
1421 __sync_val_compare_and_swap(&val, 1, 0);
1422 __sync_add_and_fetch(&val, 1);
1423 __sync_sub_and_fetch(&val, 1);
1429 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1431 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1432 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1434 dnl===-----------------------------------------------------------------------===
1436 dnl=== SECTION 9: Additional checks, variables, etc.
1438 dnl===-----------------------------------------------------------------------===
1440 dnl Handle 32-bit linux systems running a 64-bit kernel.
1441 dnl This has to come after section 4 because it invokes the compiler.
1442 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1444 if test "$llvm_cv_linux_mixed" = "yes"; then
1445 llvm_cv_target_arch="x86"
1450 dnl Check, whether __dso_handle is present
1451 AC_CHECK_FUNCS([__dso_handle])
1453 dnl Check wether llvm-gcc is based on dragonegg
1454 AC_CACHE_CHECK([whether llvm-gcc is dragonegg],[llvm_cv_llvmgcc_dragonegg],
1455 [llvm_cv_llvmgcc_dragonegg="no"
1456 if test -n "$LLVMGCC" ; then
1457 cp /dev/null conftest.c
1458 $LLVMGCC -fplugin-arg-dragonegg-emit-ir -S -o - conftest.c > /dev/null 2>&1
1459 if test $? -eq 0 ; then
1460 llvm_cv_llvmgcc_dragonegg="yes"
1465 dnl Set the flags needed to emit LLVM IR and to disable optimizations
1467 if test "$llvm_cv_llvmgcc_dragonegg" = "yes" ; then
1468 LLVMCC_EMITIR_FLAG="-fplugin-arg-dragonegg-emit-ir"
1469 LLVMCC_DISABLEOPT_FLAGS="-fplugin-arg-dragonegg-disable-llvm-optzns"
1471 LLVMCC_EMITIR_FLAG="-emit-llvm"
1472 LLVMCC_DISABLEOPT_FLAGS="-mllvm -disable-llvm-optzns"
1475 AC_SUBST(LLVMCC_EMITIR_FLAG)
1477 dnl See if the llvm-gcc executable can compile to LLVM assembly
1478 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1479 [llvm_cv_llvmgcc_sanity="no"
1480 if test -n "$LLVMGCC" ; then
1481 cp /dev/null conftest.c
1482 $LLVMGCC "$LLVMCC_EMITIR_FLAG" -S -o - conftest.c | \
1483 grep 'target datalayout =' > /dev/null 2>&1
1484 if test $? -eq 0 ; then
1485 llvm_cv_llvmgcc_sanity="yes"
1490 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1491 dnl Furthermore, add some information about the tools
1492 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1493 AC_MSG_CHECKING([llvm-gcc component support])
1494 llvmcc1path=`$LLVMGCC --print-prog-name=cc1`
1495 AC_SUBST(LLVMCC1,$llvmcc1path)
1496 llvmcc1pluspath=`$LLVMGCC --print-prog-name=cc1plus`
1497 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1498 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1499 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1500 llvmgcclangs=[`$LLVMGCC -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1501 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1502 AC_SUBST(LLVMGCC_DRAGONEGG,$llvm_cv_llvmgcc_dragonegg)
1503 AC_SUBST(LLVMCC_DISABLEOPT_FLAGS)
1507 dnl Propagate the shared library extension that the libltdl checks did to
1508 dnl the Makefiles so we can use it there too
1509 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1511 dnl Propagate the run-time library path variable that the libltdl
1512 dnl checks found to the Makefiles so we can use it there too
1513 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1515 # Translate the various configuration directories and other basic
1516 # information into substitutions that will end up in Makefile.config.in
1517 # that these configured values can be used by the makefiles
1518 if test "${prefix}" = "NONE" ; then
1521 eval LLVM_PREFIX="${prefix}";
1522 eval LLVM_BINDIR="${prefix}/bin";
1523 eval LLVM_LIBDIR="${prefix}/lib";
1524 eval LLVM_DATADIR="${prefix}/share/llvm";
1525 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1526 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1527 eval LLVM_INCLUDEDIR="${prefix}/include";
1528 eval LLVM_INFODIR="${prefix}/info";
1529 eval LLVM_MANDIR="${prefix}/man";
1530 LLVM_CONFIGTIME=`date`
1531 AC_SUBST(LLVM_PREFIX)
1532 AC_SUBST(LLVM_BINDIR)
1533 AC_SUBST(LLVM_LIBDIR)
1534 AC_SUBST(LLVM_DATADIR)
1535 AC_SUBST(LLVM_DOCSDIR)
1536 AC_SUBST(LLVM_ETCDIR)
1537 AC_SUBST(LLVM_INCLUDEDIR)
1538 AC_SUBST(LLVM_INFODIR)
1539 AC_SUBST(LLVM_MANDIR)
1540 AC_SUBST(LLVM_CONFIGTIME)
1542 # Place the various directores into the config.h file as #defines so that we
1543 # can know about the installation paths within LLVM.
1544 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1545 [Installation prefix directory])
1546 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1547 [Installation directory for binary executables])
1548 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1549 [Installation directory for libraries])
1550 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1551 [Installation directory for data files])
1552 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1553 [Installation directory for documentation])
1554 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1555 [Installation directory for config files])
1556 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1557 [Installation directory for include files])
1558 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1559 [Installation directory for .info files])
1560 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1561 [Installation directory for man pages])
1562 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1563 [Time at which LLVM was configured])
1564 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1565 [Host triple we were built on])
1567 # Determine which bindings to build.
1568 if test "$BINDINGS_TO_BUILD" = auto ; then
1569 BINDINGS_TO_BUILD=""
1570 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1571 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1574 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1576 # This isn't really configurey, but it avoids having to repeat the list in
1578 AC_SUBST(ALL_BINDINGS,ocaml)
1580 # Do any work necessary to ensure that bindings have what they need.
1581 binding_prereqs_failed=0
1582 for a_binding in $BINDINGS_TO_BUILD ; do
1583 case "$a_binding" in
1585 if test "x$OCAMLC" = x ; then
1586 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1587 binding_prereqs_failed=1
1589 if test "x$OCAMLDEP" = x ; then
1590 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1591 binding_prereqs_failed=1
1593 if test "x$OCAMLOPT" = x ; then
1594 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1595 dnl ocamlopt is optional!
1597 if test "x$with_ocaml_libdir" != xauto ; then
1598 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1600 ocaml_stdlib="`"$OCAMLC" -where`"
1601 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1603 # ocaml stdlib is beneath our prefix; use stdlib
1604 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1606 # ocaml stdlib is outside our prefix; use libdir/ocaml
1607 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1613 if test "$binding_prereqs_failed" = 1 ; then
1614 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1617 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1618 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1620 dnl Determine linker rpath flag
1621 if test "$llvm_cv_link_use_r" = "yes" ; then
1628 dnl Determine linker rdynamic flag
1629 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1630 RDYNAMIC="-Wl,-export-dynamic"
1636 dnl===-----------------------------------------------------------------------===
1638 dnl=== SECTION 10: Specify the output files and generate it
1640 dnl===-----------------------------------------------------------------------===
1642 dnl Configure header files
1643 dnl WARNING: dnl If you add or remove any of the following config headers, then
1644 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1645 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1646 dnl files can be updated automatically when their *.in sources change.
1647 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1648 AH_TOP([#ifndef CONFIG_H
1652 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1653 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1654 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1655 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1656 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1658 dnl Configure the makefile's configuration data
1659 AC_CONFIG_FILES([Makefile.config])
1661 dnl Configure the RPM spec file for LLVM
1662 AC_CONFIG_FILES([llvm.spec])
1664 dnl Configure llvmc's Base plugin
1665 AC_CONFIG_FILES([tools/llvmc/src/Base.td])
1667 dnl Do the first stage of configuration for llvm-config.in.
1668 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1670 dnl Do special configuration of Makefiles
1671 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1672 AC_CONFIG_MAKEFILE(Makefile)
1673 AC_CONFIG_MAKEFILE(Makefile.common)
1674 AC_CONFIG_MAKEFILE(examples/Makefile)
1675 AC_CONFIG_MAKEFILE(lib/Makefile)
1676 AC_CONFIG_MAKEFILE(runtime/Makefile)
1677 AC_CONFIG_MAKEFILE(test/Makefile)
1678 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1679 AC_CONFIG_MAKEFILE(unittests/Makefile)
1680 AC_CONFIG_MAKEFILE(tools/Makefile)
1681 AC_CONFIG_MAKEFILE(utils/Makefile)
1682 AC_CONFIG_MAKEFILE(projects/Makefile)
1683 AC_CONFIG_MAKEFILE(bindings/Makefile)
1684 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1686 dnl Finally, crank out the output