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],$ENABLE_THREADS,[Define if threads enabled])
533 dnl Allow building without position independent code
535 AS_HELP_STRING([--enable-pic],
536 [Build LLVM with Position Independent Code (default is YES)]),,
539 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
540 no) AC_SUBST(ENABLE_PIC,[0]) ;;
541 default) AC_SUBST(ENABLE_PIC,[1]) ;;
542 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
544 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
545 [Define if position independent code is enabled])
547 dnl Allow building a shared library and linking tools against it.
548 AC_ARG_ENABLE(shared,
549 AS_HELP_STRING([--enable-shared],
550 [Build a shared library and link tools against it (default is NO)]),,
553 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
554 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
555 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
556 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
559 dnl Enable embedding timestamp information into build.
560 AC_ARG_ENABLE(timestamps,
561 AS_HELP_STRING([--enable-timestamps],
562 [Enable embedding timestamp information in build (default is YES)]),,
565 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
566 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
567 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
568 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
570 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
571 [Define if timestamp information (e.g., __DATE___) is allowed])
573 dnl Allow specific targets to be specified for building (or not)
575 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
576 [Build specific host targets: all or target1,target2,... Valid targets are:
577 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu,
578 xcore, msp430, systemz, blackfin, ptx, cbe, and cpp (default=all)]),,
580 if test "$enableval" = host-only ; then
584 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU XCore MSP430 SystemZ Blackfin CBackend CppBackend MBlaze PTX" ;;
585 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
587 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
588 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
589 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
590 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
591 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
592 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
593 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
594 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
595 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
596 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
597 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
598 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
599 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
600 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
601 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
602 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
603 host) case "$llvm_cv_target_arch" in
604 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
605 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
606 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
607 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
608 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
609 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
610 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
611 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
612 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
613 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
614 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
615 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
616 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
617 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
618 *) AC_MSG_ERROR([Can not set target to build]) ;;
620 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
625 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
627 # Determine whether we are building LLVM support for the native architecture.
628 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
629 for a_target in $TARGETS_TO_BUILD; do
630 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
631 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
632 [LLVM architecture name for the native architecture, if available])
633 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
634 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
635 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
636 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
637 [LLVM name for the native Target init function, if available])
638 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
639 [LLVM name for the native TargetInfo init function, if available])
640 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
641 [LLVM name for the native AsmPrinter init function, if available])
645 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
646 # target feature def files.
648 LLVM_ENUM_ASM_PRINTERS=""
649 LLVM_ENUM_ASM_PARSERS=""
650 LLVM_ENUM_DISASSEMBLERS=""
651 for target_to_build in $TARGETS_TO_BUILD; do
652 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
653 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
654 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
656 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
657 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
659 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
660 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
663 AC_SUBST(LLVM_ENUM_TARGETS)
664 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
665 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
666 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
668 dnl Prevent the CBackend from using printf("%a") for floating point so older
669 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
670 dnl can still compile the CBE's output
671 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
672 [Enable C Backend output with hex floating point via %a (default is YES)]),,
675 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
676 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
677 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
678 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
680 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
681 [Define if CBE is enabled for printf %a output])
683 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
684 AC_ARG_WITH(llvmgccdir,
685 AS_HELP_STRING([--with-llvmgccdir],
686 [Specify location of llvm-gcc install dir (default searches PATH)]),,
689 default) WITH_LLVMGCCDIR=default ;;
690 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
691 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
694 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
696 AS_HELP_STRING([--with-llvmgcc],
697 [Specify location of llvm-gcc driver (default searches PATH)]),
698 LLVMGCC=$with_llvmgcc
701 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
703 AS_HELP_STRING([--with-llvmgxx],
704 [Specify location of llvm-g++ driver (default searches PATH)]),
705 LLVMGXX=$with_llvmgxx
708 if test -n "$LLVMGCC"; then
709 LLVMGCCCOMMAND="$LLVMGCC"
712 if test -n "$LLVMGXX"; then
713 LLVMGXXCOMMAND="$LLVMGXX"
716 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
717 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
720 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
721 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
724 dnl Allow a specific Clang compiler to be used with this LLVM config.
726 AS_HELP_STRING([--with-clang],
727 [Specify location of clang compiler (default is --with-built-clang)]),
728 [],[with_clang=default])
730 dnl Enable use of the built Clang.
731 AC_ARG_WITH(built-clang,
732 AS_HELP_STRING([--with-built-clang],
733 [Use the compiled Clang as the LLVM compiler (default=check)]),
734 [],[with_built_clang=check])
736 dnl Select the Clang compiler option.
738 dnl If --with-clang is given, always honor that; otherwise honor
739 dnl --with-built-clang, or check if we have the clang sources.
740 AC_MSG_CHECKING([clang compiler])
743 if test "$with_clang" != "default"; then
744 WITH_CLANGPATH="$with_clang"
745 if ! test -x "$WITH_CLANGPATH"; then
746 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
748 elif test "$with_built_clang" = "yes"; then
750 elif test "$with_built_clang" = "no"; then
753 if test "$with_built_clang" != "check"; then
754 AC_MSG_ERROR([invalid value for --with-built-clang.])
757 if test -f ${srcdir}/tools/clang/README.txt; then
762 if ! test -z "$WITH_CLANGPATH"; then
763 AC_MSG_RESULT([$WITH_CLANGPATH])
764 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
765 elif test "$WITH_BUILT_CLANG" = "1"; then
766 AC_MSG_RESULT([built])
768 AC_MSG_RESULT([none])
770 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
771 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
772 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
774 dnl Override the option to use for optimized builds.
775 AC_ARG_WITH(optimize-option,
776 AS_HELP_STRING([--with-optimize-option],
777 [Select the compiler options to use for optimized builds]),,
779 AC_MSG_CHECKING([optimization flags])
782 case "$llvm_cv_os_type" in
783 FreeBSD) optimize_option=-O2 ;;
784 MingW) optimize_option=-O2 ;;
785 *) optimize_option=-O3 ;;
787 *) optimize_option="$withval" ;;
789 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
790 AC_MSG_RESULT([$optimize_option])
792 dnl Specify extra build options
793 AC_ARG_WITH(extra-options,
794 AS_HELP_STRING([--with-extra-options],
795 [Specify additional options to compile LLVM with]),,
798 default) EXTRA_OPTIONS= ;;
799 *) EXTRA_OPTIONS=$withval ;;
801 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
803 dnl Allow specific bindings to be specified for building (or not)
804 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
805 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
809 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
810 all ) BINDINGS_TO_BUILD="ocaml" ;;
811 none | no) BINDINGS_TO_BUILD="" ;;
812 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
814 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
815 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
821 dnl Allow the ocaml libdir to be overridden. This could go in a configure
822 dnl script for bindings/ocaml/configure, except that its auto value depends on
823 dnl OCAMLC, which is found here to support tests.
824 AC_ARG_WITH([ocaml-libdir],
825 [AS_HELP_STRING([--with-ocaml-libdir],
826 [Specify install location for ocaml bindings (default is stdlib)])],
830 auto) with_ocaml_libdir="$withval" ;;
831 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
832 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
835 AC_ARG_WITH(clang-resource-dir,
836 AS_HELP_STRING([--with-clang-resource-dir],
837 [Relative directory from the Clang binary for resource files]),,
839 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
840 [Relative directory for resource files])
842 AC_ARG_WITH(c-include-dirs,
843 AS_HELP_STRING([--with-c-include-dirs],
844 [Colon separated list of directories clang will search for headers]),,
846 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
847 [Directories clang will search for headers])
849 AC_ARG_WITH(cxx-include-root,
850 AS_HELP_STRING([--with-cxx-include-root],
851 [Directory with the libstdc++ headers.]),,
853 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
854 [Directory with the libstdc++ headers.])
856 AC_ARG_WITH(cxx-include-arch,
857 AS_HELP_STRING([--with-cxx-include-arch],
858 [Architecture of the libstdc++ headers.]),,
860 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
861 [Arch the libstdc++ headers.])
863 AC_ARG_WITH(cxx-include-32bit-dir,
864 AS_HELP_STRING([--with-cxx-include-32bit-dir],
865 [32 bit multilib dir.]),,
867 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
868 [32 bit multilib directory.])
870 AC_ARG_WITH(cxx-include-64bit-dir,
871 AS_HELP_STRING([--with-cxx-include-64bit-dir],
872 [64 bit multilib directory.]),,
874 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
875 [64 bit multilib directory.])
877 dnl Allow linking of LLVM with GPLv3 binutils code.
878 AC_ARG_WITH(binutils-include,
879 AS_HELP_STRING([--with-binutils-include],
880 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
883 default) WITH_BINUTILS_INCDIR=default ;;
884 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
885 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
887 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
888 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
889 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
890 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
891 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
895 dnl --enable-libffi : check whether the user wants to turn off libffi:
896 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
897 --enable-libffi,[Check for the presence of libffi (default is NO)]),
898 [case "$enableval" in
899 yes) llvm_cv_enable_libffi="yes" ;;
900 no) llvm_cv_enable_libffi="no" ;;
901 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
903 llvm_cv_enable_libffi=no)
905 dnl===-----------------------------------------------------------------------===
907 dnl=== SECTION 4: Check for programs we need and that they are the right version
909 dnl===-----------------------------------------------------------------------===
911 dnl Check for compilation tools
919 dnl Check for the tools that the makefiles require
922 AC_PATH_PROG(CMP, [cmp], [cmp])
923 AC_PATH_PROG(CP, [cp], [cp])
924 AC_PATH_PROG(DATE, [date], [date])
925 AC_PATH_PROG(FIND, [find], [find])
926 AC_PATH_PROG(GREP, [grep], [grep])
927 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
928 AC_PATH_PROG(MV, [mv], [mv])
930 AC_CHECK_TOOL(AR, ar, false)
931 AC_PATH_PROG(RM, [rm], [rm])
932 AC_PATH_PROG(SED, [sed], [sed])
933 AC_PATH_PROG(TAR, [tar], [gtar])
934 AC_PATH_PROG(BINPWD,[pwd], [pwd])
936 dnl Looking for misc. graph plotting software
937 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
938 if test "$GRAPHVIZ" != "echo Graphviz" ; then
939 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
940 dnl If we're targeting for mingw we should emit windows paths, not msys
941 if test "$llvm_cv_os_type" = "MingW" ; then
942 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
944 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
945 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
947 AC_PATH_PROG(DOT, [dot], [echo dot])
948 if test "$DOT" != "echo dot" ; then
949 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
950 dnl If we're targeting for mingw we should emit windows paths, not msys
951 if test "$llvm_cv_os_type" = "MingW" ; then
952 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
954 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
955 [Define to path to dot program if found or 'echo dot' otherwise])
957 AC_PATH_PROG(FDP, [fdp], [echo fdp])
958 if test "$FDP" != "echo fdp" ; then
959 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
960 dnl If we're targeting for mingw we should emit windows paths, not msys
961 if test "$llvm_cv_os_type" = "MingW" ; then
962 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
964 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
965 [Define to path to fdp program if found or 'echo fdp' otherwise])
967 AC_PATH_PROG(NEATO, [neato], [echo neato])
968 if test "$NEATO" != "echo neato" ; then
969 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
970 dnl If we're targeting for mingw we should emit windows paths, not msys
971 if test "$llvm_cv_os_type" = "MingW" ; then
972 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
974 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
975 [Define to path to neato program if found or 'echo neato' otherwise])
977 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
978 if test "$TWOPI" != "echo twopi" ; then
979 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
980 dnl If we're targeting for mingw we should emit windows paths, not msys
981 if test "$llvm_cv_os_type" = "MingW" ; then
982 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
984 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
985 [Define to path to twopi program if found or 'echo twopi' otherwise])
987 AC_PATH_PROG(CIRCO, [circo], [echo circo])
988 if test "$CIRCO" != "echo circo" ; then
989 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
990 dnl If we're targeting for mingw we should emit windows paths, not msys
991 if test "$llvm_cv_os_type" = "MingW" ; then
992 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
994 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
995 [Define to path to circo program if found or 'echo circo' otherwise])
997 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
998 if test "$GV" != "echo gv" ; then
999 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1000 dnl If we're targeting for mingw we should emit windows paths, not msys
1001 if test "$llvm_cv_os_type" = "MingW" ; then
1002 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1004 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1005 [Define to path to gv program if found or 'echo gv' otherwise])
1007 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1008 if test "$DOTTY" != "echo dotty" ; then
1009 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1010 dnl If we're targeting for mingw we should emit windows paths, not msys
1011 if test "$llvm_cv_os_type" = "MingW" ; then
1012 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1014 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1015 [Define to path to dotty program if found or 'echo dotty' otherwise])
1017 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1018 if test "$XDOT_PY" != "echo xdot.py" ; then
1019 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1020 dnl If we're targeting for mingw we should emit windows paths, not msys
1021 if test "$llvm_cv_os_type" = "MingW" ; then
1022 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1024 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1025 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1028 dnl Look for a sufficiently recent version of Perl.
1029 LLVM_PROG_PERL([5.006])
1031 if test x"$PERL" = xnone; then
1032 AC_SUBST(HAVE_PERL,0)
1033 AC_MSG_ERROR([perl is required but was not found, please install it])
1035 AC_SUBST(HAVE_PERL,1)
1038 dnl Find the install program
1040 dnl Prepend src dir to install path dir if it's a relative path
1041 dnl This is a hack for installs that take place in something other
1042 dnl than the top level.
1044 [[\\/$]]* | ?:[[\\/]]* ) ;;
1045 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1048 dnl Checks for documentation and testing tools that we can do without. If these
1049 dnl are not found then they are set to "true" which always succeeds but does
1050 dnl nothing. This just lets the build output show that we could have done
1051 dnl something if the tool was available.
1052 AC_PATH_PROG(BZIP2, [bzip2])
1053 AC_PATH_PROG(CAT, [cat])
1054 AC_PATH_PROG(DOXYGEN, [doxygen])
1055 AC_PATH_PROG(GROFF, [groff])
1056 AC_PATH_PROG(GZIP, [gzip])
1057 AC_PATH_PROG(POD2HTML, [pod2html])
1058 AC_PATH_PROG(POD2MAN, [pod2man])
1059 AC_PATH_PROG(PDFROFF, [pdfroff])
1060 AC_PATH_PROG(RUNTEST, [runtest])
1062 AC_PATH_PROG(ZIP, [zip])
1063 AC_PATH_PROGS(OCAMLC, [ocamlc])
1064 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1065 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1066 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1067 AC_PATH_PROGS(GAS, [gas as])
1069 dnl Get the version of the linker in use.
1072 dnl Determine whether the linker supports the -R option.
1075 dnl Determine whether the linker supports the -export-dynamic option.
1076 AC_LINK_EXPORT_DYNAMIC
1078 dnl Determine whether the linker supports the --version-script option.
1079 AC_LINK_VERSION_SCRIPT
1081 dnl Check for libtool and the library that has dlopen function (which must come
1082 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1087 if test "$WITH_LLVMGCCDIR" = "default" ; then
1088 LLVMGCC="llvm-gcc${EXEEXT}"
1089 LLVMGXX="llvm-g++${EXEEXT}"
1090 LLVMGCCCOMMAND="$LLVMGCC"
1091 LLVMGXXCOMMAND="$LLVMGXX"
1092 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1093 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1094 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
1095 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
1097 if test -z "$LLVMGCC"; then
1098 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
1099 LLVMGCCCOMMAND="$LLVMGCC"
1101 if test -z "$LLVMGXX"; then
1102 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
1103 LLVMGXXCOMMAND="$LLVMGXX"
1106 AC_SUBST(LLVMGCC,$LLVMGCC)
1107 AC_SUBST(LLVMGXX,$LLVMGXX)
1108 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1109 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1112 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1113 dnl found, otherwise clang if available.
1115 AS_HELP_STRING([--with-llvmcc=<name>],
1116 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1117 [],[with_llvmcc=check])
1118 AC_MSG_CHECKING([LLVM capable compiler])
1119 if test "$with_llvmcc" != "check"; then
1120 if (test "$with_llvmcc" != "llvm-gcc" &&
1121 test "$with_llvmcc" != "clang" &&
1122 test "$with_llvmcc" != "none"); then
1123 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1125 WITH_LLVMCC="$with_llvmcc"
1126 elif test -n "$LLVMGCC"; then
1127 WITH_LLVMCC=llvm-gcc
1128 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1133 AC_MSG_RESULT([$WITH_LLVMCC])
1134 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1136 AC_MSG_CHECKING([tool compatibility])
1138 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1139 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1140 dnl to support those options.
1141 dnl "icc" emits gcc signatures
1142 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1154 if test "$GCC" != "yes" && test "$ICC" != "yes"
1156 AC_MSG_ERROR([gcc|icc required but not found])
1159 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
1160 if test "$GXX" != "yes" && test "$IXX" != "yes"
1162 AC_MSG_ERROR([g++|icc required but not found])
1165 dnl Verify that GCC is version 3.0 or higher
1166 if test "$GCC" = "yes"
1168 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1169 #error Unsupported GCC version
1171 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1174 dnl Check for GNU Make. We use its extensions, so don't build without it
1175 if test -z "$llvm_cv_gnu_make_command"
1177 AC_MSG_ERROR([GNU Make required but not found])
1180 dnl Tool compatibility is okay if we make it here.
1183 dnl Check optional compiler flags.
1184 AC_MSG_CHECKING([optional compiler flags])
1185 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1186 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1187 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1189 dnl===-----------------------------------------------------------------------===
1191 dnl=== SECTION 5: Check for libraries
1193 dnl===-----------------------------------------------------------------------===
1196 if test "$llvm_cv_os_type" = "MingW" ; then
1197 AC_CHECK_LIB(imagehlp, main)
1198 AC_CHECK_LIB(psapi, main)
1201 dnl dlopen() is required for plugin support.
1202 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1203 [Define if dlopen() is available on this platform.]),
1204 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1206 dnl libffi is optional; used to call external functions from the interpreter
1207 if test "$llvm_cv_enable_libffi" = "yes" ; then
1208 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1209 [Define if libffi is available on this platform.]),
1210 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1213 dnl mallinfo is optional; the code can compile (minus features) without it
1214 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1215 [Define if mallinfo() is available on this platform.]))
1217 dnl pthread locking functions are optional - but llvm will not be thread-safe
1219 if test "$ENABLE_THREADS" -eq 1 ; then
1220 AC_CHECK_LIB(pthread, pthread_mutex_init)
1221 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1222 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1223 [Have pthread_mutex_lock]))
1224 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1225 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1226 [Have pthread_rwlock_init]))
1227 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1228 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1229 [Have pthread_getspecific]))
1232 dnl Allow extra x86-disassembler library
1234 AS_HELP_STRING([--with-udis86=<path>],
1235 [Use udis86 external x86 disassembler library]),
1237 AC_SUBST(USE_UDIS86, [1])
1240 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1242 AC_CHECK_LIB(udis86, ud_init, [], [
1243 echo "Error! You need to have libudis86 around."
1247 AC_SUBST(USE_UDIS86, [0]))
1248 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1249 [Define if use udis86 library])
1251 dnl Allow OProfile support for JIT output.
1252 AC_ARG_WITH(oprofile,
1253 AS_HELP_STRING([--with-oprofile=<prefix>],
1254 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1256 AC_SUBST(USE_OPROFILE, [1])
1258 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1260 AC_SUBST(USE_OPROFILE, [0]) ;;
1261 *) llvm_cv_oppath="${withval}/lib/oprofile"
1262 CPPFLAGS="-I${withval}/include";;
1264 if test -n "$llvm_cv_oppath" ; then
1265 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1266 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1267 dnl libbfd is not included properly in libopagent in some Debian
1268 dnl versions. If libbfd isn't found at all, we assume opagent works
1270 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1271 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1272 echo "Error! You need to have libopagent around."
1275 AC_CHECK_HEADER([opagent.h], [], [
1276 echo "Error! You need to have opagent.h around."
1282 AC_SUBST(USE_OPROFILE, [0])
1284 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1285 [Define if we have the oprofile JIT-support library])
1287 dnl===-----------------------------------------------------------------------===
1289 dnl=== SECTION 6: Check for header files
1291 dnl===-----------------------------------------------------------------------===
1293 dnl First, use autoconf provided macros for specific headers that we need
1294 dnl We don't check for ancient stuff or things that are guaranteed to be there
1295 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1296 dnl Generally we're looking for POSIX headers.
1298 AC_HEADER_MMAP_ANONYMOUS
1304 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1305 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1306 AC_CHECK_HEADERS([utime.h windows.h])
1307 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1308 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1309 AC_CHECK_HEADERS([valgrind/valgrind.h])
1310 AC_CHECK_HEADERS([fenv.h])
1311 if test "$ENABLE_THREADS" -eq 1 ; then
1312 AC_CHECK_HEADERS(pthread.h,
1313 AC_SUBST(HAVE_PTHREAD, 1),
1314 AC_SUBST(HAVE_PTHREAD, 0))
1316 AC_SUBST(HAVE_PTHREAD, 0)
1319 dnl Try to find ffi.h.
1320 if test "$llvm_cv_enable_libffi" = "yes" ; then
1321 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1324 dnl Try to find Darwin specific crash reporting library.
1325 AC_CHECK_HEADERS([CrashReporterClient.h])
1327 dnl===-----------------------------------------------------------------------===
1329 dnl=== SECTION 7: Check for types and structures
1331 dnl===-----------------------------------------------------------------------===
1336 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1338 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1339 AC_CHECK_TYPES([uint64_t],,
1340 AC_CHECK_TYPES([u_int64_t],,
1341 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1343 dnl===-----------------------------------------------------------------------===
1345 dnl=== SECTION 8: Check for specific functions needed
1347 dnl===-----------------------------------------------------------------------===
1349 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1350 AC_CHECK_FUNCS([powf fmodf strtof round ])
1351 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1352 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1353 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1354 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1355 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1356 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1360 dnl Check for variations in the Standard C++ library and STL. These macros are
1361 dnl provided by LLVM in the autoconf/m4 directory.
1365 dnl Check for mmap support.We also need to know if /dev/zero is required to
1366 dnl be opened for allocating RWX memory.
1367 dnl Make sure we aren't attempting to configure for an unknown system
1368 if test "$llvm_cv_platform_type" = "Unix" ; then
1371 AC_NEED_DEV_ZERO_FOR_MMAP
1373 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1375 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1377 if test "$ac_cv_func_mmap_file" = "no"
1379 AC_MSG_WARN([mmap() of files required but not found])
1383 dnl atomic builtins are required for threading support.
1384 AC_MSG_CHECKING(for GCC atomic builtins)
1385 dnl Since we'll be using these atomic builtins in C++ files we should test
1386 dnl the C++ compiler.
1391 volatile unsigned long val = 1;
1392 __sync_synchronize();
1393 __sync_val_compare_and_swap(&val, 1, 0);
1394 __sync_add_and_fetch(&val, 1);
1395 __sync_sub_and_fetch(&val, 1);
1401 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1403 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1404 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1406 dnl===-----------------------------------------------------------------------===
1408 dnl=== SECTION 9: Additional checks, variables, etc.
1410 dnl===-----------------------------------------------------------------------===
1412 dnl Handle 32-bit linux systems running a 64-bit kernel.
1413 dnl This has to come after section 4 because it invokes the compiler.
1414 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1416 if test "$llvm_cv_linux_mixed" = "yes"; then
1417 llvm_cv_target_arch="x86"
1422 dnl Check, whether __dso_handle is present
1423 AC_CHECK_FUNCS([__dso_handle])
1425 dnl Check wether llvm-gcc is based on dragonegg
1426 AC_CACHE_CHECK([whether llvm-gcc is dragonegg],[llvm_cv_llvmgcc_dragonegg],
1427 [llvm_cv_llvmgcc_dragonegg="no"
1428 if test -n "$LLVMGCC" ; then
1429 cp /dev/null conftest.c
1430 $LLVMGCC -fplugin-arg-dragonegg-emit-ir -S -o - conftest.c > /dev/null 2>&1
1431 if test $? -eq 0 ; then
1432 llvm_cv_llvmgcc_dragonegg="yes"
1437 dnl Set the flags needed to emit LLVM IR and to disable optimizations
1439 if test "$llvm_cv_llvmgcc_dragonegg" = "yes" ; then
1440 LLVMCC_EMITIR_FLAG="-fplugin-arg-dragonegg-emit-ir"
1441 LLVMCC_DISABLEOPT_FLAGS="-fplugin-arg-dragonegg-disable-llvm-optzns"
1443 LLVMCC_EMITIR_FLAG="-emit-llvm"
1444 LLVMCC_DISABLEOPT_FLAGS="-mllvm -disable-llvm-optzns"
1447 AC_SUBST(LLVMCC_EMITIR_FLAG)
1449 dnl See if the llvm-gcc executable can compile to LLVM assembly
1450 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1451 [llvm_cv_llvmgcc_sanity="no"
1452 if test -n "$LLVMGCC" ; then
1453 cp /dev/null conftest.c
1454 $LLVMGCC "$LLVMCC_EMITIR_FLAG" -S -o - conftest.c | \
1455 grep 'target datalayout =' > /dev/null 2>&1
1456 if test $? -eq 0 ; then
1457 llvm_cv_llvmgcc_sanity="yes"
1462 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1463 dnl Furthermore, add some information about the tools
1464 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1465 AC_MSG_CHECKING([llvm-gcc component support])
1466 llvmcc1path=`$LLVMGCC --print-prog-name=cc1`
1467 AC_SUBST(LLVMCC1,$llvmcc1path)
1468 llvmcc1pluspath=`$LLVMGCC --print-prog-name=cc1plus`
1469 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1470 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1471 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1472 llvmgcclangs=[`$LLVMGCC -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1473 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1474 AC_SUBST(LLVMGCC_DRAGONEGG,$llvm_cv_llvmgcc_dragonegg)
1475 AC_SUBST(LLVMCC_DISABLEOPT_FLAGS)
1479 dnl Propagate the shared library extension that the libltdl checks did to
1480 dnl the Makefiles so we can use it there too
1481 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1483 dnl Propagate the run-time library path variable that the libltdl
1484 dnl checks found to the Makefiles so we can use it there too
1485 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1487 # Translate the various configuration directories and other basic
1488 # information into substitutions that will end up in Makefile.config.in
1489 # that these configured values can be used by the makefiles
1490 if test "${prefix}" = "NONE" ; then
1493 eval LLVM_PREFIX="${prefix}";
1494 eval LLVM_BINDIR="${prefix}/bin";
1495 eval LLVM_LIBDIR="${prefix}/lib";
1496 eval LLVM_DATADIR="${prefix}/share/llvm";
1497 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1498 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1499 eval LLVM_INCLUDEDIR="${prefix}/include";
1500 eval LLVM_INFODIR="${prefix}/info";
1501 eval LLVM_MANDIR="${prefix}/man";
1502 LLVM_CONFIGTIME=`date`
1503 AC_SUBST(LLVM_PREFIX)
1504 AC_SUBST(LLVM_BINDIR)
1505 AC_SUBST(LLVM_LIBDIR)
1506 AC_SUBST(LLVM_DATADIR)
1507 AC_SUBST(LLVM_DOCSDIR)
1508 AC_SUBST(LLVM_ETCDIR)
1509 AC_SUBST(LLVM_INCLUDEDIR)
1510 AC_SUBST(LLVM_INFODIR)
1511 AC_SUBST(LLVM_MANDIR)
1512 AC_SUBST(LLVM_CONFIGTIME)
1514 # Place the various directores into the config.h file as #defines so that we
1515 # can know about the installation paths within LLVM.
1516 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1517 [Installation prefix directory])
1518 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1519 [Installation directory for binary executables])
1520 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1521 [Installation directory for libraries])
1522 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1523 [Installation directory for data files])
1524 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1525 [Installation directory for documentation])
1526 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1527 [Installation directory for config files])
1528 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1529 [Installation directory for include files])
1530 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1531 [Installation directory for .info files])
1532 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1533 [Installation directory for man pages])
1534 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1535 [Time at which LLVM was configured])
1536 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1537 [Host triple we were built on])
1539 # Determine which bindings to build.
1540 if test "$BINDINGS_TO_BUILD" = auto ; then
1541 BINDINGS_TO_BUILD=""
1542 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1543 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1546 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1548 # This isn't really configurey, but it avoids having to repeat the list in
1550 AC_SUBST(ALL_BINDINGS,ocaml)
1552 # Do any work necessary to ensure that bindings have what they need.
1553 binding_prereqs_failed=0
1554 for a_binding in $BINDINGS_TO_BUILD ; do
1555 case "$a_binding" in
1557 if test "x$OCAMLC" = x ; then
1558 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1559 binding_prereqs_failed=1
1561 if test "x$OCAMLDEP" = x ; then
1562 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1563 binding_prereqs_failed=1
1565 if test "x$OCAMLOPT" = x ; then
1566 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1567 dnl ocamlopt is optional!
1569 if test "x$with_ocaml_libdir" != xauto ; then
1570 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1572 ocaml_stdlib="`"$OCAMLC" -where`"
1573 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1575 # ocaml stdlib is beneath our prefix; use stdlib
1576 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1578 # ocaml stdlib is outside our prefix; use libdir/ocaml
1579 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1585 if test "$binding_prereqs_failed" = 1 ; then
1586 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1589 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1590 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1592 dnl Determine linker rpath flag
1593 if test "$llvm_cv_link_use_r" = "yes" ; then
1600 dnl Determine linker rdynamic flag
1601 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1602 RDYNAMIC="-Wl,-export-dynamic"
1608 dnl===-----------------------------------------------------------------------===
1610 dnl=== SECTION 10: Specify the output files and generate it
1612 dnl===-----------------------------------------------------------------------===
1614 dnl Configure header files
1615 dnl WARNING: dnl If you add or remove any of the following config headers, then
1616 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1617 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1618 dnl files can be updated automatically when their *.in sources change.
1619 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1620 AH_TOP([#ifndef CONFIG_H
1624 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1625 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1626 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1627 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1628 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1630 dnl Configure the makefile's configuration data
1631 AC_CONFIG_FILES([Makefile.config])
1633 dnl Configure the RPM spec file for LLVM
1634 AC_CONFIG_FILES([llvm.spec])
1636 dnl Configure llvmc's Base plugin
1637 AC_CONFIG_FILES([tools/llvmc/src/Base.td])
1639 dnl Do the first stage of configuration for llvm-config.in.
1640 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1642 dnl Do special configuration of Makefiles
1643 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1644 AC_CONFIG_MAKEFILE(Makefile)
1645 AC_CONFIG_MAKEFILE(Makefile.common)
1646 AC_CONFIG_MAKEFILE(examples/Makefile)
1647 AC_CONFIG_MAKEFILE(lib/Makefile)
1648 AC_CONFIG_MAKEFILE(runtime/Makefile)
1649 AC_CONFIG_MAKEFILE(test/Makefile)
1650 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1651 AC_CONFIG_MAKEFILE(unittests/Makefile)
1652 AC_CONFIG_MAKEFILE(tools/Makefile)
1653 AC_CONFIG_MAKEFILE(utils/Makefile)
1654 AC_CONFIG_MAKEFILE(projects/Makefile)
1655 AC_CONFIG_MAKEFILE(bindings/Makefile)
1656 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1658 dnl Finally, crank out the output