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/System 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/Makefile ; then
654 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
656 # MC-ized AsmPrinters live in TARGET/InstPrinter, not AsmPrinter
657 if test -f ${srcdir}/lib/Target/${target_to_build}/InstPrinter/Makefile ; then
658 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
660 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
661 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
663 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
664 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
667 AC_SUBST(LLVM_ENUM_TARGETS)
668 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
669 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
670 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
672 dnl Prevent the CBackend from using printf("%a") for floating point so older
673 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
674 dnl can still compile the CBE's output
675 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
676 [Enable C Backend output with hex floating point via %a (default is YES)]),,
679 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
680 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
681 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
682 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
684 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
685 [Define if CBE is enabled for printf %a output])
687 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
688 AC_ARG_WITH(llvmgccdir,
689 AS_HELP_STRING([--with-llvmgccdir],
690 [Specify location of llvm-gcc install dir (default searches PATH)]),,
693 default) WITH_LLVMGCCDIR=default ;;
694 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
695 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
698 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
700 AS_HELP_STRING([--with-llvmgcc],
701 [Specify location of llvm-gcc driver (default searches PATH)]),
702 LLVMGCC=$with_llvmgcc
705 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
707 AS_HELP_STRING([--with-llvmgxx],
708 [Specify location of llvm-g++ driver (default searches PATH)]),
709 LLVMGXX=$with_llvmgxx
712 if test -n "$LLVMGCC"; then
713 LLVMGCCCOMMAND="$LLVMGCC"
716 if test -n "$LLVMGXX"; then
717 LLVMGXXCOMMAND="$LLVMGXX"
720 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
721 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
724 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
725 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
728 dnl Allow a specific Clang compiler to be used with this LLVM config.
730 AS_HELP_STRING([--with-clang],
731 [Specify location of clang compiler (default is --with-built-clang)]),
732 [],[with_clang=default])
734 dnl Enable use of the built Clang.
735 AC_ARG_WITH(built-clang,
736 AS_HELP_STRING([--with-built-clang],
737 [Use the compiled Clang as the LLVM compiler (default=check)]),
738 [],[with_built_clang=check])
740 dnl Select the Clang compiler option.
742 dnl If --with-clang is given, always honor that; otherwise honor
743 dnl --with-built-clang, or check if we have the clang sources.
744 AC_MSG_CHECKING([clang compiler])
747 if test "$with_clang" != "default"; then
748 WITH_CLANGPATH="$with_clang"
749 if ! test -x "$WITH_CLANGPATH"; then
750 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
752 elif test "$with_built_clang" = "yes"; then
754 elif test "$with_built_clang" = "no"; then
757 if test "$with_built_clang" != "check"; then
758 AC_MSG_ERROR([invalid value for --with-built-clang.])
761 if test -f ${srcdir}/tools/clang/README.txt; then
766 if ! test -z "$WITH_CLANGPATH"; then
767 AC_MSG_RESULT([$WITH_CLANGPATH])
768 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
769 elif test "$WITH_BUILT_CLANG" = "1"; then
770 AC_MSG_RESULT([built])
772 AC_MSG_RESULT([none])
774 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
775 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
776 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
778 dnl Override the option to use for optimized builds.
779 AC_ARG_WITH(optimize-option,
780 AS_HELP_STRING([--with-optimize-option],
781 [Select the compiler options to use for optimized builds]),,
783 AC_MSG_CHECKING([optimization flags])
786 case "$llvm_cv_os_type" in
787 FreeBSD) optimize_option=-O2 ;;
788 MingW) optimize_option=-O2 ;;
789 *) optimize_option=-O3 ;;
791 *) optimize_option="$withval" ;;
793 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
794 AC_MSG_RESULT([$optimize_option])
796 dnl Specify extra build options
797 AC_ARG_WITH(extra-options,
798 AS_HELP_STRING([--with-extra-options],
799 [Specify additional options to compile LLVM with]),,
802 default) EXTRA_OPTIONS= ;;
803 *) EXTRA_OPTIONS=$withval ;;
805 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
807 dnl Allow specific bindings to be specified for building (or not)
808 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
809 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
813 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
814 all ) BINDINGS_TO_BUILD="ocaml" ;;
815 none | no) BINDINGS_TO_BUILD="" ;;
816 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
818 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
819 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
825 dnl Allow the ocaml libdir to be overridden. This could go in a configure
826 dnl script for bindings/ocaml/configure, except that its auto value depends on
827 dnl OCAMLC, which is found here to support tests.
828 AC_ARG_WITH([ocaml-libdir],
829 [AS_HELP_STRING([--with-ocaml-libdir],
830 [Specify install location for ocaml bindings (default is stdlib)])],
834 auto) with_ocaml_libdir="$withval" ;;
835 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
836 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
839 AC_ARG_WITH(clang-resource-dir,
840 AS_HELP_STRING([--with-clang-resource-dir],
841 [Relative directory from the Clang binary for resource files]),,
843 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
844 [Relative directory for resource files])
846 AC_ARG_WITH(c-include-dirs,
847 AS_HELP_STRING([--with-c-include-dirs],
848 [Colon separated list of directories clang will search for headers]),,
850 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
851 [Directories clang will search for headers])
853 AC_ARG_WITH(cxx-include-root,
854 AS_HELP_STRING([--with-cxx-include-root],
855 [Directory with the libstdc++ headers.]),,
857 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
858 [Directory with the libstdc++ headers.])
860 AC_ARG_WITH(cxx-include-arch,
861 AS_HELP_STRING([--with-cxx-include-arch],
862 [Architecture of the libstdc++ headers.]),,
864 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
865 [Arch the libstdc++ headers.])
867 AC_ARG_WITH(cxx-include-32bit-dir,
868 AS_HELP_STRING([--with-cxx-include-32bit-dir],
869 [32 bit multilib dir.]),,
871 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
872 [32 bit multilib directory.])
874 AC_ARG_WITH(cxx-include-64bit-dir,
875 AS_HELP_STRING([--with-cxx-include-64bit-dir],
876 [64 bit multilib directory.]),,
878 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
879 [64 bit multilib directory.])
881 dnl Allow linking of LLVM with GPLv3 binutils code.
882 AC_ARG_WITH(binutils-include,
883 AS_HELP_STRING([--with-binutils-include],
884 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
887 default) WITH_BINUTILS_INCDIR=default ;;
888 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
889 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
891 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
892 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
893 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
894 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
895 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
899 dnl --enable-libffi : check whether the user wants to turn off libffi:
900 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
901 --enable-libffi,[Check for the presence of libffi (default is NO)]),
902 [case "$enableval" in
903 yes) llvm_cv_enable_libffi="yes" ;;
904 no) llvm_cv_enable_libffi="no" ;;
905 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
907 llvm_cv_enable_libffi=no)
909 dnl===-----------------------------------------------------------------------===
911 dnl=== SECTION 4: Check for programs we need and that they are the right version
913 dnl===-----------------------------------------------------------------------===
915 dnl Check for compilation tools
923 dnl Check for the tools that the makefiles require
926 AC_PATH_PROG(CMP, [cmp], [cmp])
927 AC_PATH_PROG(CP, [cp], [cp])
928 AC_PATH_PROG(DATE, [date], [date])
929 AC_PATH_PROG(FIND, [find], [find])
930 AC_PATH_PROG(GREP, [grep], [grep])
931 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
932 AC_PATH_PROG(MV, [mv], [mv])
934 AC_CHECK_TOOL(AR, ar, false)
935 AC_PATH_PROG(RM, [rm], [rm])
936 AC_PATH_PROG(SED, [sed], [sed])
937 AC_PATH_PROG(TAR, [tar], [gtar])
938 AC_PATH_PROG(BINPWD,[pwd], [pwd])
940 dnl Looking for misc. graph plotting software
941 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
942 if test "$GRAPHVIZ" != "echo Graphviz" ; then
943 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
944 dnl If we're targeting for mingw we should emit windows paths, not msys
945 if test "$llvm_cv_os_type" = "MingW" ; then
946 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
948 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
949 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
951 AC_PATH_PROG(DOT, [dot], [echo dot])
952 if test "$DOT" != "echo dot" ; then
953 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
954 dnl If we're targeting for mingw we should emit windows paths, not msys
955 if test "$llvm_cv_os_type" = "MingW" ; then
956 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
958 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
959 [Define to path to dot program if found or 'echo dot' otherwise])
961 AC_PATH_PROG(FDP, [fdp], [echo fdp])
962 if test "$FDP" != "echo fdp" ; then
963 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
964 dnl If we're targeting for mingw we should emit windows paths, not msys
965 if test "$llvm_cv_os_type" = "MingW" ; then
966 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
968 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
969 [Define to path to fdp program if found or 'echo fdp' otherwise])
971 AC_PATH_PROG(NEATO, [neato], [echo neato])
972 if test "$NEATO" != "echo neato" ; then
973 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
974 dnl If we're targeting for mingw we should emit windows paths, not msys
975 if test "$llvm_cv_os_type" = "MingW" ; then
976 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
978 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
979 [Define to path to neato program if found or 'echo neato' otherwise])
981 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
982 if test "$TWOPI" != "echo twopi" ; then
983 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
984 dnl If we're targeting for mingw we should emit windows paths, not msys
985 if test "$llvm_cv_os_type" = "MingW" ; then
986 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
988 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
989 [Define to path to twopi program if found or 'echo twopi' otherwise])
991 AC_PATH_PROG(CIRCO, [circo], [echo circo])
992 if test "$CIRCO" != "echo circo" ; then
993 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
994 dnl If we're targeting for mingw we should emit windows paths, not msys
995 if test "$llvm_cv_os_type" = "MingW" ; then
996 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
998 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
999 [Define to path to circo program if found or 'echo circo' otherwise])
1001 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1002 if test "$GV" != "echo gv" ; then
1003 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1004 dnl If we're targeting for mingw we should emit windows paths, not msys
1005 if test "$llvm_cv_os_type" = "MingW" ; then
1006 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1008 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1009 [Define to path to gv program if found or 'echo gv' otherwise])
1011 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1012 if test "$DOTTY" != "echo dotty" ; then
1013 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1014 dnl If we're targeting for mingw we should emit windows paths, not msys
1015 if test "$llvm_cv_os_type" = "MingW" ; then
1016 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1018 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1019 [Define to path to dotty program if found or 'echo dotty' otherwise])
1021 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1022 if test "$XDOT_PY" != "echo xdot.py" ; then
1023 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1024 dnl If we're targeting for mingw we should emit windows paths, not msys
1025 if test "$llvm_cv_os_type" = "MingW" ; then
1026 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1028 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1029 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1032 dnl Look for a sufficiently recent version of Perl.
1033 LLVM_PROG_PERL([5.006])
1035 if test x"$PERL" = xnone; then
1036 AC_SUBST(HAVE_PERL,0)
1037 AC_MSG_ERROR([perl is required but was not found, please install it])
1039 AC_SUBST(HAVE_PERL,1)
1042 dnl Find the install program
1044 dnl Prepend src dir to install path dir if it's a relative path
1045 dnl This is a hack for installs that take place in something other
1046 dnl than the top level.
1048 [[\\/$]]* | ?:[[\\/]]* ) ;;
1049 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1052 dnl Checks for documentation and testing tools that we can do without. If these
1053 dnl are not found then they are set to "true" which always succeeds but does
1054 dnl nothing. This just lets the build output show that we could have done
1055 dnl something if the tool was available.
1056 AC_PATH_PROG(BZIP2, [bzip2])
1057 AC_PATH_PROG(CAT, [cat])
1058 AC_PATH_PROG(DOXYGEN, [doxygen])
1059 AC_PATH_PROG(GROFF, [groff])
1060 AC_PATH_PROG(GZIP, [gzip])
1061 AC_PATH_PROG(POD2HTML, [pod2html])
1062 AC_PATH_PROG(POD2MAN, [pod2man])
1063 AC_PATH_PROG(PDFROFF, [pdfroff])
1064 AC_PATH_PROG(RUNTEST, [runtest])
1066 AC_PATH_PROG(ZIP, [zip])
1067 AC_PATH_PROGS(OCAMLC, [ocamlc])
1068 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1069 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1070 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1071 AC_PATH_PROGS(GAS, [gas as])
1073 dnl Get the version of the linker in use.
1076 dnl Determine whether the linker supports the -R option.
1079 dnl Determine whether the linker supports the -export-dynamic option.
1080 AC_LINK_EXPORT_DYNAMIC
1082 dnl Determine whether the linker supports the --version-script option.
1083 AC_LINK_VERSION_SCRIPT
1085 dnl Check for libtool and the library that has dlopen function (which must come
1086 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1091 if test "$WITH_LLVMGCCDIR" = "default" ; then
1092 LLVMGCC="llvm-gcc${EXEEXT}"
1093 LLVMGXX="llvm-g++${EXEEXT}"
1094 LLVMGCCCOMMAND="$LLVMGCC"
1095 LLVMGXXCOMMAND="$LLVMGXX"
1096 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1097 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1098 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
1099 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
1101 if test -z "$LLVMGCC"; then
1102 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
1103 LLVMGCCCOMMAND="$LLVMGCC"
1105 if test -z "$LLVMGXX"; then
1106 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
1107 LLVMGXXCOMMAND="$LLVMGXX"
1110 AC_SUBST(LLVMGCC,$LLVMGCC)
1111 AC_SUBST(LLVMGXX,$LLVMGXX)
1112 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1113 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1116 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1117 dnl found, otherwise clang if available.
1119 AS_HELP_STRING([--with-llvmcc=<name>],
1120 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1121 [],[with_llvmcc=check])
1122 AC_MSG_CHECKING([LLVM capable compiler])
1123 if test "$with_llvmcc" != "check"; then
1124 if (test "$with_llvmcc" != "llvm-gcc" &&
1125 test "$with_llvmcc" != "clang" &&
1126 test "$with_llvmcc" != "none"); then
1127 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1129 WITH_LLVMCC="$with_llvmcc"
1130 elif test -n "$LLVMGCC"; then
1131 WITH_LLVMCC=llvm-gcc
1132 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1137 AC_MSG_RESULT([$WITH_LLVMCC])
1138 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1140 AC_MSG_CHECKING([tool compatibility])
1142 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1143 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1144 dnl to support those options.
1145 dnl "icc" emits gcc signatures
1146 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1158 if test "$GCC" != "yes" && test "$ICC" != "yes"
1160 AC_MSG_ERROR([gcc|icc required but not found])
1163 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
1164 if test "$GXX" != "yes" && test "$IXX" != "yes"
1166 AC_MSG_ERROR([g++|icc required but not found])
1169 dnl Verify that GCC is version 3.0 or higher
1170 if test "$GCC" = "yes"
1172 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1173 #error Unsupported GCC version
1175 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1178 dnl Check for GNU Make. We use its extensions, so don't build without it
1179 if test -z "$llvm_cv_gnu_make_command"
1181 AC_MSG_ERROR([GNU Make required but not found])
1184 dnl Tool compatibility is okay if we make it here.
1187 dnl Check optional compiler flags.
1188 AC_MSG_CHECKING([optional compiler flags])
1189 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1190 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1191 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1193 dnl===-----------------------------------------------------------------------===
1195 dnl=== SECTION 5: Check for libraries
1197 dnl===-----------------------------------------------------------------------===
1200 if test "$llvm_cv_os_type" = "MingW" ; then
1201 AC_CHECK_LIB(imagehlp, main)
1202 AC_CHECK_LIB(psapi, main)
1205 dnl dlopen() is required for plugin support.
1206 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1207 [Define if dlopen() is available on this platform.]),
1208 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1210 dnl libffi is optional; used to call external functions from the interpreter
1211 if test "$llvm_cv_enable_libffi" = "yes" ; then
1212 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1213 [Define if libffi is available on this platform.]),
1214 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1217 dnl mallinfo is optional; the code can compile (minus features) without it
1218 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1219 [Define if mallinfo() is available on this platform.]))
1221 dnl pthread locking functions are optional - but llvm will not be thread-safe
1223 if test "$ENABLE_THREADS" -eq 1 ; then
1224 AC_CHECK_LIB(pthread, pthread_mutex_init)
1225 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1226 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1227 [Have pthread_mutex_lock]))
1228 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1229 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1230 [Have pthread_rwlock_init]))
1231 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1232 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1233 [Have pthread_getspecific]))
1236 dnl Allow extra x86-disassembler library
1238 AS_HELP_STRING([--with-udis86=<path>],
1239 [Use udis86 external x86 disassembler library]),
1241 AC_SUBST(USE_UDIS86, [1])
1244 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1246 AC_CHECK_LIB(udis86, ud_init, [], [
1247 echo "Error! You need to have libudis86 around."
1251 AC_SUBST(USE_UDIS86, [0]))
1252 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1253 [Define if use udis86 library])
1255 dnl Allow OProfile support for JIT output.
1256 AC_ARG_WITH(oprofile,
1257 AS_HELP_STRING([--with-oprofile=<prefix>],
1258 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1260 AC_SUBST(USE_OPROFILE, [1])
1262 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1264 AC_SUBST(USE_OPROFILE, [0]) ;;
1265 *) llvm_cv_oppath="${withval}/lib/oprofile"
1266 CPPFLAGS="-I${withval}/include";;
1268 if test -n "$llvm_cv_oppath" ; then
1269 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1270 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1271 dnl libbfd is not included properly in libopagent in some Debian
1272 dnl versions. If libbfd isn't found at all, we assume opagent works
1274 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1275 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1276 echo "Error! You need to have libopagent around."
1279 AC_CHECK_HEADER([opagent.h], [], [
1280 echo "Error! You need to have opagent.h around."
1286 AC_SUBST(USE_OPROFILE, [0])
1288 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1289 [Define if we have the oprofile JIT-support library])
1291 dnl===-----------------------------------------------------------------------===
1293 dnl=== SECTION 6: Check for header files
1295 dnl===-----------------------------------------------------------------------===
1297 dnl First, use autoconf provided macros for specific headers that we need
1298 dnl We don't check for ancient stuff or things that are guaranteed to be there
1299 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1300 dnl Generally we're looking for POSIX headers.
1302 AC_HEADER_MMAP_ANONYMOUS
1308 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1309 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1310 AC_CHECK_HEADERS([utime.h windows.h])
1311 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1312 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1313 AC_CHECK_HEADERS([valgrind/valgrind.h])
1314 AC_CHECK_HEADERS([fenv.h])
1315 if test "$ENABLE_THREADS" -eq 1 ; then
1316 AC_CHECK_HEADERS(pthread.h,
1317 AC_SUBST(HAVE_PTHREAD, 1),
1318 AC_SUBST(HAVE_PTHREAD, 0))
1320 AC_SUBST(HAVE_PTHREAD, 0)
1323 dnl Try to find ffi.h.
1324 if test "$llvm_cv_enable_libffi" = "yes" ; then
1325 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1328 dnl Try to find Darwin specific crash reporting library.
1329 AC_CHECK_HEADERS([CrashReporterClient.h])
1331 dnl===-----------------------------------------------------------------------===
1333 dnl=== SECTION 7: Check for types and structures
1335 dnl===-----------------------------------------------------------------------===
1340 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1342 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1343 AC_CHECK_TYPES([uint64_t],,
1344 AC_CHECK_TYPES([u_int64_t],,
1345 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1347 dnl===-----------------------------------------------------------------------===
1349 dnl=== SECTION 8: Check for specific functions needed
1351 dnl===-----------------------------------------------------------------------===
1353 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1354 AC_CHECK_FUNCS([powf fmodf strtof round ])
1355 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1356 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1357 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1358 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1359 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1360 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1364 dnl Check for variations in the Standard C++ library and STL. These macros are
1365 dnl provided by LLVM in the autoconf/m4 directory.
1369 dnl Check for mmap support.We also need to know if /dev/zero is required to
1370 dnl be opened for allocating RWX memory.
1371 dnl Make sure we aren't attempting to configure for an unknown system
1372 if test "$llvm_cv_platform_type" = "Unix" ; then
1375 AC_NEED_DEV_ZERO_FOR_MMAP
1377 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1379 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1381 if test "$ac_cv_func_mmap_file" = "no"
1383 AC_MSG_WARN([mmap() of files required but not found])
1387 dnl atomic builtins are required for threading support.
1388 AC_MSG_CHECKING(for GCC atomic builtins)
1389 dnl Since we'll be using these atomic builtins in C++ files we should test
1390 dnl the C++ compiler.
1395 volatile unsigned long val = 1;
1396 __sync_synchronize();
1397 __sync_val_compare_and_swap(&val, 1, 0);
1398 __sync_add_and_fetch(&val, 1);
1399 __sync_sub_and_fetch(&val, 1);
1405 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1407 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1408 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1410 dnl===-----------------------------------------------------------------------===
1412 dnl=== SECTION 9: Additional checks, variables, etc.
1414 dnl===-----------------------------------------------------------------------===
1416 dnl Handle 32-bit linux systems running a 64-bit kernel.
1417 dnl This has to come after section 4 because it invokes the compiler.
1418 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1420 if test "$llvm_cv_linux_mixed" = "yes"; then
1421 llvm_cv_target_arch="x86"
1426 dnl Check, whether __dso_handle is present
1427 AC_CHECK_FUNCS([__dso_handle])
1429 dnl Check wether llvm-gcc is based on dragonegg
1430 AC_CACHE_CHECK([whether llvm-gcc is dragonegg],[llvm_cv_llvmgcc_dragonegg],
1431 [llvm_cv_llvmgcc_dragonegg="no"
1432 if test -x "$LLVMGCC" ; then
1433 cp /dev/null conftest.c
1434 "$LLVMGCC" -fplugin-arg-dragonegg-emit-ir -S -o - conftest.c | \
1435 grep 'target datalayout =' > /dev/null 2>&1
1436 if test $? -eq 0 ; then
1437 llvm_cv_llvmgcc_dragonegg="yes"
1442 dnl Set the flags needed to emit LLVM IR and to disable optimizations
1444 if test "$llvm_cv_llvmgcc_dragonegg" = "yes" ; then
1445 LLVMCC_EMITIR_FLAG="-fplugin-arg-dragonegg-emit-ir"
1446 LLVMGCC_DISABLEOPT_FLAGS="-fplugin-arg-dragonegg-disable-llvm-optzns"
1448 LLVMCC_EMITIR_FLAG="-emit-llvm"
1449 LLVMGCC_DISABLEOPT_FLAGS="-mllvm -disable-llvm-optzns"
1452 AC_SUBST(LLVMCC_EMITIR_FLAG)
1454 dnl See if the llvm-gcc executable can compile to LLVM assembly
1455 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1456 [llvm_cv_llvmgcc_sanity="no"
1457 if test -x "$LLVMGCC" ; then
1458 cp /dev/null conftest.c
1459 "$LLVMGCC" "$LLVMCC_EMITIR_FLAG" -S -o - conftest.c | \
1460 grep 'target datalayout =' > /dev/null 2>&1
1461 if test $? -eq 0 ; then
1462 llvm_cv_llvmgcc_sanity="yes"
1467 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1468 dnl Furthermore, add some information about the tools
1469 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1470 AC_MSG_CHECKING([llvm-gcc component support])
1471 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1472 AC_SUBST(LLVMCC1,$llvmcc1path)
1473 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1474 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1475 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1476 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1477 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1478 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1479 AC_SUBST(LLVMGCC_DRAGONEGG,$llvm_cv_llvmgcc_dragonegg)
1480 AC_SUBST(LLVMGCC_DISABLEOPT_FLAGS)
1484 dnl Propagate the shared library extension that the libltdl checks did to
1485 dnl the Makefiles so we can use it there too
1486 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1488 dnl Propagate the run-time library path variable that the libltdl
1489 dnl checks found to the Makefiles so we can use it there too
1490 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1492 # Translate the various configuration directories and other basic
1493 # information into substitutions that will end up in Makefile.config.in
1494 # that these configured values can be used by the makefiles
1495 if test "${prefix}" = "NONE" ; then
1498 eval LLVM_PREFIX="${prefix}";
1499 eval LLVM_BINDIR="${prefix}/bin";
1500 eval LLVM_LIBDIR="${prefix}/lib";
1501 eval LLVM_DATADIR="${prefix}/share/llvm";
1502 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1503 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1504 eval LLVM_INCLUDEDIR="${prefix}/include";
1505 eval LLVM_INFODIR="${prefix}/info";
1506 eval LLVM_MANDIR="${prefix}/man";
1507 LLVM_CONFIGTIME=`date`
1508 AC_SUBST(LLVM_PREFIX)
1509 AC_SUBST(LLVM_BINDIR)
1510 AC_SUBST(LLVM_LIBDIR)
1511 AC_SUBST(LLVM_DATADIR)
1512 AC_SUBST(LLVM_DOCSDIR)
1513 AC_SUBST(LLVM_ETCDIR)
1514 AC_SUBST(LLVM_INCLUDEDIR)
1515 AC_SUBST(LLVM_INFODIR)
1516 AC_SUBST(LLVM_MANDIR)
1517 AC_SUBST(LLVM_CONFIGTIME)
1519 # Place the various directores into the config.h file as #defines so that we
1520 # can know about the installation paths within LLVM.
1521 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1522 [Installation prefix directory])
1523 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1524 [Installation directory for binary executables])
1525 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1526 [Installation directory for libraries])
1527 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1528 [Installation directory for data files])
1529 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1530 [Installation directory for documentation])
1531 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1532 [Installation directory for config files])
1533 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1534 [Installation directory for include files])
1535 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1536 [Installation directory for .info files])
1537 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1538 [Installation directory for man pages])
1539 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1540 [Time at which LLVM was configured])
1541 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1542 [Host triple we were built on])
1544 # Determine which bindings to build.
1545 if test "$BINDINGS_TO_BUILD" = auto ; then
1546 BINDINGS_TO_BUILD=""
1547 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1548 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1551 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1553 # This isn't really configurey, but it avoids having to repeat the list in
1555 AC_SUBST(ALL_BINDINGS,ocaml)
1557 # Do any work necessary to ensure that bindings have what they need.
1558 binding_prereqs_failed=0
1559 for a_binding in $BINDINGS_TO_BUILD ; do
1560 case "$a_binding" in
1562 if test "x$OCAMLC" = x ; then
1563 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1564 binding_prereqs_failed=1
1566 if test "x$OCAMLDEP" = x ; then
1567 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1568 binding_prereqs_failed=1
1570 if test "x$OCAMLOPT" = x ; then
1571 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1572 dnl ocamlopt is optional!
1574 if test "x$with_ocaml_libdir" != xauto ; then
1575 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1577 ocaml_stdlib="`"$OCAMLC" -where`"
1578 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1580 # ocaml stdlib is beneath our prefix; use stdlib
1581 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1583 # ocaml stdlib is outside our prefix; use libdir/ocaml
1584 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1590 if test "$binding_prereqs_failed" = 1 ; then
1591 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1594 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1595 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1597 dnl Determine linker rpath flag
1598 if test "$llvm_cv_link_use_r" = "yes" ; then
1605 dnl Determine linker rdynamic flag
1606 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1607 RDYNAMIC="-Wl,-export-dynamic"
1613 dnl===-----------------------------------------------------------------------===
1615 dnl=== SECTION 10: Specify the output files and generate it
1617 dnl===-----------------------------------------------------------------------===
1619 dnl Configure header files
1620 dnl WARNING: dnl If you add or remove any of the following config headers, then
1621 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1622 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1623 dnl files can be updated automatically when their *.in sources change.
1624 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1625 AH_TOP([#ifndef CONFIG_H
1629 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1630 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1631 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1632 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1633 AC_CONFIG_HEADERS([include/llvm/System/DataTypes.h])
1635 dnl Configure the makefile's configuration data
1636 AC_CONFIG_FILES([Makefile.config])
1638 dnl Configure the RPM spec file for LLVM
1639 AC_CONFIG_FILES([llvm.spec])
1641 dnl Configure llvmc's Base plugin
1642 AC_CONFIG_FILES([tools/llvmc/src/Base.td])
1644 dnl Do the first stage of configuration for llvm-config.in.
1645 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1647 dnl Do special configuration of Makefiles
1648 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1649 AC_CONFIG_MAKEFILE(Makefile)
1650 AC_CONFIG_MAKEFILE(Makefile.common)
1651 AC_CONFIG_MAKEFILE(examples/Makefile)
1652 AC_CONFIG_MAKEFILE(lib/Makefile)
1653 AC_CONFIG_MAKEFILE(runtime/Makefile)
1654 AC_CONFIG_MAKEFILE(test/Makefile)
1655 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1656 AC_CONFIG_MAKEFILE(unittests/Makefile)
1657 AC_CONFIG_MAKEFILE(tools/Makefile)
1658 AC_CONFIG_MAKEFILE(utils/Makefile)
1659 AC_CONFIG_MAKEFILE(projects/Makefile)
1660 AC_CONFIG_MAKEFILE(bindings/Makefile)
1661 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1663 dnl Finally, crank out the output