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]],[[2.8svn]],[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===-----------------------------------------------------------------------===
126 dnl=== SECTION 2: Architecture, target, and host checks
128 dnl===-----------------------------------------------------------------------===
130 dnl Check the target for which we're compiling and the host that will do the
131 dnl compilations. This will tell us which LLVM compiler will be used for
132 dnl compiling SSA into object code. This needs to be done early because
133 dnl following tests depend on it.
136 dnl Determine the platform type and cache its value. This helps us configure
137 dnl the System library to the correct build platform.
138 AC_CACHE_CHECK([type of operating system we're going to host on],
142 llvm_cv_link_all_option="-Wl,--whole-archive"
143 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
144 llvm_cv_os_type="AIX"
145 llvm_cv_platform_type="Unix" ;;
147 llvm_cv_link_all_option="-Wl,--whole-archive"
148 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
149 llvm_cv_os_type="IRIX"
150 llvm_cv_platform_type="Unix" ;;
152 llvm_cv_link_all_option="-Wl,--whole-archive"
153 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
154 llvm_cv_os_type="Cygwin"
155 llvm_cv_platform_type="Unix" ;;
157 llvm_cv_link_all_option="-Wl,-all_load"
158 llvm_cv_no_link_all_option="-Wl,-noall_load"
159 llvm_cv_os_type="Darwin"
160 llvm_cv_platform_type="Unix" ;;
162 llvm_cv_link_all_option="-Wl,-all_load"
163 llvm_cv_no_link_all_option="-Wl,-noall_load"
164 llvm_cv_os_type="Minix"
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="FreeBSD"
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="OpenBSD"
175 llvm_cv_platform_type="Unix" ;;
177 llvm_cv_link_all_option="-Wl,--whole-archive"
178 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
179 llvm_cv_os_type="NetBSD"
180 llvm_cv_platform_type="Unix" ;;
182 llvm_cv_link_all_option="-Wl,--whole-archive"
183 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
184 llvm_cv_os_type="DragonFly"
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="HP-UX"
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="Interix"
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="Linux"
200 llvm_cv_platform_type="Unix" ;;
202 llvm_cv_link_all_option="-Wl,-z,allextract"
203 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
204 llvm_cv_os_type="SunOS"
205 llvm_cv_platform_type="Unix" ;;
207 llvm_cv_link_all_option="-Wl,-z,allextract"
208 llvm_cv_link_all_option="-Wl,-z,defaultextract"
209 llvm_cv_os_type="AuroraUX"
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="Win32"
215 llvm_cv_platform_type="Win32" ;;
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="MingW"
220 llvm_cv_platform_type="Win32" ;;
222 llvm_cv_link_all_option="-Wl,--whole-archive"
223 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
224 llvm_cv_os_type="Haiku"
225 llvm_cv_platform_type="Unix" ;;
227 llvm_cv_link_all_option="-Wl,--whole-archive"
228 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
229 llvm_cv_os_type="Freestanding"
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="Freestanding"
235 llvm_cv_platform_type="Unix" ;;
237 llvm_cv_link_all_option=""
238 llvm_cv_no_link_all_option=""
239 llvm_cv_os_type="Unknown"
240 llvm_cv_platform_type="Unknown" ;;
243 AC_CACHE_CHECK([type of operating system we're going to target],
244 [llvm_cv_target_os_type],
247 llvm_cv_target_os_type="AIX" ;;
249 llvm_cv_target_os_type="IRIX" ;;
251 llvm_cv_target_os_type="Cygwin" ;;
253 llvm_cv_target_os_type="Darwin" ;;
255 llvm_cv_target_os_type="Minix" ;;
257 llvm_cv_target_os_type="FreeBSD" ;;
259 llvm_cv_target_os_type="OpenBSD" ;;
261 llvm_cv_target_os_type="NetBSD" ;;
263 llvm_cv_target_os_type="DragonFly" ;;
265 llvm_cv_target_os_type="HP-UX" ;;
267 llvm_cv_target_os_type="Interix" ;;
269 llvm_cv_target_os_type="Linux" ;;
271 llvm_cv_target_os_type="SunOS" ;;
273 llvm_cv_target_os_type="AuroraUX" ;;
275 llvm_cv_target_os_type="Win32" ;;
277 llvm_cv_target_os_type="MingW" ;;
279 llvm_cv_target_os_type="Haiku" ;;
281 llvm_cv_target_os_type="Freestanding" ;;
283 llvm_cv_target_os_type="Unknown" ;;
286 dnl Make sure we aren't attempting to configure for an unknown system
287 if test "$llvm_cv_os_type" = "Unknown" ; then
288 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
291 dnl Set the "OS" Makefile variable based on the platform type so the
292 dnl makefile can configure itself to specific build hosts
293 AC_SUBST(OS,$llvm_cv_os_type)
294 AC_SUBST(HOST_OS,$llvm_cv_os_type)
295 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
297 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
298 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
299 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
301 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
302 dnl This is used by lib/System to determine the basic kind of implementation
304 case $llvm_cv_platform_type in
306 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
307 AC_SUBST(LLVM_ON_UNIX,[1])
308 AC_SUBST(LLVM_ON_WIN32,[0])
311 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
312 AC_SUBST(LLVM_ON_UNIX,[0])
313 AC_SUBST(LLVM_ON_WIN32,[1])
317 dnl Determine what our target architecture is and configure accordingly.
318 dnl This will allow Makefiles to make a distinction between the hardware and
320 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
322 i?86-*) llvm_cv_target_arch="x86" ;;
323 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
324 sparc*-*) llvm_cv_target_arch="Sparc" ;;
325 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
326 alpha*-*) llvm_cv_target_arch="Alpha" ;;
327 arm*-*) llvm_cv_target_arch="ARM" ;;
328 mips-*) llvm_cv_target_arch="Mips" ;;
329 pic16-*) llvm_cv_target_arch="PIC16" ;;
330 xcore-*) llvm_cv_target_arch="XCore" ;;
331 msp430-*) llvm_cv_target_arch="MSP430" ;;
332 s390x-*) llvm_cv_target_arch="SystemZ" ;;
333 bfin-*) llvm_cv_target_arch="Blackfin" ;;
334 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
335 *) llvm_cv_target_arch="Unknown" ;;
338 if test "$llvm_cv_target_arch" = "Unknown" ; then
339 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
342 # Determine the LLVM native architecture for the target
343 case "$llvm_cv_target_arch" in
344 x86) LLVM_NATIVE_ARCH="X86" ;;
345 x86_64) LLVM_NATIVE_ARCH="X86" ;;
346 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
349 dnl Define a substitution, ARCH, for the target architecture
350 AC_SUBST(ARCH,$llvm_cv_target_arch)
352 dnl Check for the endianness of the target
353 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
355 dnl Check for build platform executable suffix if we're crosscompiling
356 if test "$cross_compiling" = yes; then
357 AC_SUBST(LLVM_CROSS_COMPILING, [1])
359 ac_build_prefix=${build_alias}-
360 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
361 if test -z "$BUILD_CXX"; then
362 AC_CHECK_PROG(BUILD_CXX, g++, g++)
363 if test -z "$BUILD_CXX"; then
364 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
368 AC_SUBST(LLVM_CROSS_COMPILING, [0])
371 dnl Check to see if there's a .svn or .git directory indicating that this
372 dnl build is being done from a checkout. This sets up several defaults for
373 dnl the command line switches. When we build with a checkout directory,
374 dnl we get a debug with assertions turned on. Without, we assume a source
375 dnl release and we get an optimized build without assertions.
376 dnl See --enable-optimized and --enable-assertions below
377 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
380 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
386 dnl===-----------------------------------------------------------------------===
388 dnl=== SECTION 3: Command line arguments for the configure script.
390 dnl===-----------------------------------------------------------------------===
392 dnl --enable-optimized : check whether they want to do an optimized build:
393 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
394 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
395 if test ${enableval} = "no" ; then
396 AC_SUBST(ENABLE_OPTIMIZED,[[]])
398 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
401 dnl --enable-profiling : check whether they want to do a profile build:
402 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
403 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
404 if test ${enableval} = "no" ; then
405 AC_SUBST(ENABLE_PROFILING,[[]])
407 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
410 dnl --enable-assertions : check whether they want to turn on assertions or not:
411 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
412 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
413 if test ${enableval} = "yes" ; then
414 AC_SUBST(DISABLE_ASSERTIONS,[[]])
416 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
419 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
420 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
421 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
422 if test ${enableval} = "yes" ; then
423 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
424 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
426 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
427 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
430 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
431 AC_ARG_ENABLE(debug-runtime,
432 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
433 if test ${enableval} = "no" ; then
434 AC_SUBST(DEBUG_RUNTIME,[[]])
436 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
439 dnl --enable-debug-symbols : should even optimized compiler libraries
440 dnl have debug symbols?
441 AC_ARG_ENABLE(debug-symbols,
442 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)
443 if test ${enableval} = "no" ; then
444 AC_SUBST(DEBUG_SYMBOLS,[[]])
446 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
449 dnl --enable-jit: check whether they want to enable the jit
451 AS_HELP_STRING(--enable-jit,
452 [Enable Just In Time Compiling (default is YES)]),,
454 if test ${enableval} = "no"
458 case "$llvm_cv_target_arch" in
459 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
460 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
461 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
462 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
463 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
464 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
465 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
466 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
467 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
468 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
469 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
470 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
471 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
472 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
476 dnl Allow enablement of doxygen generated documentation
477 AC_ARG_ENABLE(doxygen,
478 AS_HELP_STRING([--enable-doxygen],
479 [Build doxygen documentation (default is NO)]),,
482 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
483 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
484 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
485 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
488 dnl Allow disablement of threads
489 AC_ARG_ENABLE(threads,
490 AS_HELP_STRING([--enable-threads],
491 [Use threads if available (default is YES)]),,
494 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
495 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
496 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
497 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
499 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
501 dnl Allow building without position independent code
503 AS_HELP_STRING([--enable-pic],
504 [Build LLVM with Position Independent Code (default is YES)]),,
507 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
508 no) AC_SUBST(ENABLE_PIC,[0]) ;;
509 default) AC_SUBST(ENABLE_PIC,[1]) ;;
510 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
512 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
513 [Define if position independent code is enabled])
515 dnl Allow building a shared library and linking tools against it.
516 AC_ARG_ENABLE(shared,
517 AS_HELP_STRING([--enable-shared],
518 [Build a shared library and link tools against it (default is NO)]),,
521 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
522 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
523 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
524 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
527 dnl Enable embedding timestamp information into build.
528 AC_ARG_ENABLE(timestamps,
529 AS_HELP_STRING([--enable-timestamps],
530 [Enable embedding timestamp information in build (default is YES)]),,
533 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
534 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
535 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
536 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
538 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
539 [Define if timestamp information (e.g., __DATE___) is allowed])
541 dnl Allow specific targets to be specified for building (or not)
543 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
544 [Build specific host targets: all or target1,target2,... Valid targets are:
545 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu, pic16,
546 xcore, msp430, systemz, blackfin, cbe, and cpp (default=all)]),,
548 if test "$enableval" = host-only ; then
552 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend CppBackend MBlaze" ;;
553 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
555 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
556 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
557 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
558 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
559 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
560 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
561 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
562 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
563 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
564 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
565 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
566 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
567 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
568 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
569 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
570 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
571 host) case "$llvm_cv_target_arch" in
572 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
573 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
574 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
575 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
576 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
577 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
578 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
579 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
580 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
581 PIC16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
582 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
583 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
584 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
585 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
586 *) AC_MSG_ERROR([Can not set target to build]) ;;
588 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
593 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
595 # Determine whether we are building LLVM support for the native architecture.
596 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
597 for a_target in $TARGETS_TO_BUILD; do
598 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
599 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
600 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCHNAME,$LLVM_NATIVE_ARCH,
601 [Short LLVM architecture name for the native architecture, if available])
602 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
603 [LLVM architecture name for the native architecture, if available])
607 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
608 # target feature def files.
610 LLVM_ENUM_ASM_PRINTERS=""
611 LLVM_ENUM_ASM_PARSERS=""
612 LLVM_ENUM_DISASSEMBLERS=""
613 for target_to_build in $TARGETS_TO_BUILD; do
614 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
615 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
616 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
618 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
619 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
621 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
622 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
625 AC_SUBST(LLVM_ENUM_TARGETS)
626 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
627 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
628 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
630 dnl Prevent the CBackend from using printf("%a") for floating point so older
631 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
632 dnl can still compile the CBE's output
633 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
634 [Enable C Backend output with hex floating point via %a (default is YES)]),,
637 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
638 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
639 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
640 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
642 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
643 [Define if CBE is enabled for printf %a output])
645 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
646 AC_ARG_WITH(llvmgccdir,
647 AS_HELP_STRING([--with-llvmgccdir],
648 [Specify location of llvm-gcc install dir (default searches PATH)]),,
651 default) WITH_LLVMGCCDIR=default ;;
652 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
653 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
656 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
658 AS_HELP_STRING([--with-llvmgcc],
659 [Specify location of llvm-gcc driver (default searches PATH)]),
660 LLVMGCC=$with_llvmgcc
663 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
665 AS_HELP_STRING([--with-llvmgxx],
666 [Specify location of llvm-g++ driver (default searches PATH)]),
667 LLVMGXX=$with_llvmgxx
670 if test -n "$LLVMGCC"; then
671 LLVMGCCCOMMAND="$LLVMGCC"
674 if test -n "$LLVMGXX"; then
675 LLVMGXXCOMMAND="$LLVMGXX"
678 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
679 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
682 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
683 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
686 dnl Allow a specific Clang compiler to be used with this LLVM config.
688 AS_HELP_STRING([--with-clang],
689 [Specify location of clang compiler (default is --with-built-clang)]),
690 [],[with_clang=default])
692 dnl Enable use of the built Clang.
693 AC_ARG_WITH(built-clang,
694 AS_HELP_STRING([--with-built-clang],
695 [Use the compiled Clang as the LLVM compiler (default=check)]),
696 [],[with_built_clang=check])
698 dnl Select the Clang compiler option.
700 dnl If --with-clang is given, always honor that; otherwise honor
701 dnl --with-built-clang, or check if we have the clang sources.
702 AC_MSG_CHECKING([clang compiler])
705 if test "$with_clang" != "default"; then
706 WITH_CLANGPATH="$with_clang"
707 if ! test -x "$WITH_CLANGPATH"; then
708 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
710 elif test "$with_built_clang" = "yes"; then
712 elif test "$with_built_clang" = "no"; then
715 if test "$with_built_clang" != "check"; then
716 AC_MSG_ERROR([invalid value for --with-built-clang.])
719 if test -f ${srcdir}/tools/clang/README.txt; then
724 if ! test -z "$WITH_CLANGPATH"; then
725 AC_MSG_RESULT([$WITH_CLANGPATH])
726 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
727 elif test "$WITH_BUILT_CLANG" = "1"; then
728 AC_MSG_RESULT([built])
730 AC_MSG_RESULT([none])
732 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
733 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
734 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
736 dnl Override the option to use for optimized builds.
737 AC_ARG_WITH(optimize-option,
738 AS_HELP_STRING([--with-optimize-option],
739 [Select the compiler options to use for optimized builds]),,
741 AC_MSG_CHECKING([optimization flags])
744 case "$llvm_cv_os_type" in
745 FreeBSD) optimize_option=-O2 ;;
746 MingW) optimize_option=-O2 ;;
747 *) optimize_option=-O3 ;;
749 *) optimize_option="$withval" ;;
751 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
752 AC_MSG_RESULT([$optimize_option])
754 dnl Specify extra build options
755 AC_ARG_WITH(extra-options,
756 AS_HELP_STRING([--with-extra-options],
757 [Specify additional options to compile LLVM with]),,
760 default) EXTRA_OPTIONS= ;;
761 *) EXTRA_OPTIONS=$withval ;;
763 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
765 dnl Allow specific bindings to be specified for building (or not)
766 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
767 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
771 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
772 all ) BINDINGS_TO_BUILD="ocaml" ;;
773 none | no) BINDINGS_TO_BUILD="" ;;
774 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
776 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
777 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
783 dnl Allow the ocaml libdir to be overridden. This could go in a configure
784 dnl script for bindings/ocaml/configure, except that its auto value depends on
785 dnl OCAMLC, which is found here to support tests.
786 AC_ARG_WITH([ocaml-libdir],
787 [AS_HELP_STRING([--with-ocaml-libdir],
788 [Specify install location for ocaml bindings (default is stdlib)])],
792 auto) with_ocaml_libdir="$withval" ;;
793 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
794 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
797 AC_ARG_WITH(c-include-dirs,
798 AS_HELP_STRING([--with-c-include-dirs],
799 [Colon separated list of directories clang will search for headers]),,
801 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
802 [Directories clang will search for headers])
804 AC_ARG_WITH(cxx-include-root,
805 AS_HELP_STRING([--with-cxx-include-root],
806 [Directory with the libstdc++ headers.]),,
808 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
809 [Directory with the libstdc++ headers.])
811 AC_ARG_WITH(cxx-include-arch,
812 AS_HELP_STRING([--with-cxx-include-arch],
813 [Architecture of the libstdc++ headers.]),,
815 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
816 [Arch the libstdc++ headers.])
818 AC_ARG_WITH(cxx-include-32bit-dir,
819 AS_HELP_STRING([--with-cxx-include-32bit-dir],
820 [32 bit multilib dir.]),,
822 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
823 [32 bit multilib directory.])
825 AC_ARG_WITH(cxx-include-64bit-dir,
826 AS_HELP_STRING([--with-cxx-include-64bit-dir],
827 [64 bit multilib directory.]),,
829 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
830 [64 bit multilib directory.])
832 dnl Allow linking of LLVM with GPLv3 binutils code.
833 AC_ARG_WITH(binutils-include,
834 AS_HELP_STRING([--with-binutils-include],
835 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
838 default) WITH_BINUTILS_INCDIR=default ;;
839 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
840 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
842 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
843 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
844 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
845 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
846 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
850 dnl --enable-libffi : check whether the user wants to turn off libffi:
851 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
852 --enable-libffi,[Check for the presence of libffi (default is NO)]),
853 [case "$enableval" in
854 yes) llvm_cv_enable_libffi="yes" ;;
855 no) llvm_cv_enable_libffi="no" ;;
856 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
858 llvm_cv_enable_libffi=no)
860 dnl===-----------------------------------------------------------------------===
862 dnl=== SECTION 4: Check for programs we need and that they are the right version
864 dnl===-----------------------------------------------------------------------===
866 dnl Check for compilation tools
874 dnl Check for the tools that the makefiles require
877 AC_PATH_PROG(CMP, [cmp], [cmp])
878 AC_PATH_PROG(CP, [cp], [cp])
879 AC_PATH_PROG(DATE, [date], [date])
880 AC_PATH_PROG(FIND, [find], [find])
881 AC_PATH_PROG(GREP, [grep], [grep])
882 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
883 AC_PATH_PROG(MV, [mv], [mv])
885 AC_CHECK_TOOL(AR, ar, false)
886 AC_PATH_PROG(RM, [rm], [rm])
887 AC_PATH_PROG(SED, [sed], [sed])
888 AC_PATH_PROG(TAR, [tar], [gtar])
889 AC_PATH_PROG(BINPWD,[pwd], [pwd])
891 dnl Looking for misc. graph plotting software
892 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
893 if test "$GRAPHVIZ" != "echo Graphviz" ; then
894 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
895 dnl If we're targeting for mingw we should emit windows paths, not msys
896 if test "$llvm_cv_os_type" = "MingW" ; then
897 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
899 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
900 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
902 AC_PATH_PROG(DOT, [dot], [echo dot])
903 if test "$DOT" != "echo dot" ; then
904 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
905 dnl If we're targeting for mingw we should emit windows paths, not msys
906 if test "$llvm_cv_os_type" = "MingW" ; then
907 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
909 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
910 [Define to path to dot program if found or 'echo dot' otherwise])
912 AC_PATH_PROG(FDP, [fdp], [echo fdp])
913 if test "$FDP" != "echo fdp" ; then
914 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
915 dnl If we're targeting for mingw we should emit windows paths, not msys
916 if test "$llvm_cv_os_type" = "MingW" ; then
917 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
919 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
920 [Define to path to fdp program if found or 'echo fdp' otherwise])
922 AC_PATH_PROG(NEATO, [neato], [echo neato])
923 if test "$NEATO" != "echo neato" ; then
924 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
925 dnl If we're targeting for mingw we should emit windows paths, not msys
926 if test "$llvm_cv_os_type" = "MingW" ; then
927 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
929 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
930 [Define to path to neato program if found or 'echo neato' otherwise])
932 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
933 if test "$TWOPI" != "echo twopi" ; then
934 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
935 dnl If we're targeting for mingw we should emit windows paths, not msys
936 if test "$llvm_cv_os_type" = "MingW" ; then
937 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
939 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
940 [Define to path to twopi program if found or 'echo twopi' otherwise])
942 AC_PATH_PROG(CIRCO, [circo], [echo circo])
943 if test "$CIRCO" != "echo circo" ; then
944 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
945 dnl If we're targeting for mingw we should emit windows paths, not msys
946 if test "$llvm_cv_os_type" = "MingW" ; then
947 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
949 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
950 [Define to path to circo program if found or 'echo circo' otherwise])
952 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
953 if test "$GV" != "echo gv" ; then
954 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
955 dnl If we're targeting for mingw we should emit windows paths, not msys
956 if test "$llvm_cv_os_type" = "MingW" ; then
957 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
959 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
960 [Define to path to gv program if found or 'echo gv' otherwise])
962 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
963 if test "$DOTTY" != "echo dotty" ; then
964 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
965 dnl If we're targeting for mingw we should emit windows paths, not msys
966 if test "$llvm_cv_os_type" = "MingW" ; then
967 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
969 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
970 [Define to path to dotty program if found or 'echo dotty' otherwise])
973 dnl Look for a sufficiently recent version of Perl.
974 LLVM_PROG_PERL([5.006])
976 if test x"$PERL" = xnone; then
977 AC_SUBST(HAVE_PERL,0)
978 AC_MSG_ERROR([perl is required but was not found, please install it])
980 AC_SUBST(HAVE_PERL,1)
983 dnl Find the install program
985 dnl Prepend src dir to install path dir if it's a relative path
986 dnl This is a hack for installs that take place in something other
987 dnl than the top level.
989 [[\\/$]]* | ?:[[\\/]]* ) ;;
990 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
993 dnl Checks for documentation and testing tools that we can do without. If these
994 dnl are not found then they are set to "true" which always succeeds but does
995 dnl nothing. This just lets the build output show that we could have done
996 dnl something if the tool was available.
997 AC_PATH_PROG(BZIP2, [bzip2])
998 AC_PATH_PROG(CAT, [cat])
999 AC_PATH_PROG(DOXYGEN, [doxygen])
1000 AC_PATH_PROG(GROFF, [groff])
1001 AC_PATH_PROG(GZIP, [gzip])
1002 AC_PATH_PROG(POD2HTML, [pod2html])
1003 AC_PATH_PROG(POD2MAN, [pod2man])
1004 AC_PATH_PROG(PDFROFF, [pdfroff])
1005 AC_PATH_PROG(RUNTEST, [runtest])
1007 AC_PATH_PROG(ZIP, [zip])
1008 AC_PATH_PROGS(OCAMLC, [ocamlc])
1009 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1010 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1011 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1012 AC_PATH_PROGS(GAS, [gas as])
1014 dnl Get the version of the linker in use.
1017 dnl Determine whether the linker supports the -R option.
1020 dnl Determine whether the linker supports the -export-dynamic option.
1021 AC_LINK_EXPORT_DYNAMIC
1023 dnl Determine whether the linker supports the --version-script option.
1024 AC_LINK_VERSION_SCRIPT
1026 dnl Check for libtool and the library that has dlopen function (which must come
1027 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1032 if test "$WITH_LLVMGCCDIR" = "default" ; then
1033 LLVMGCC="llvm-gcc${EXEEXT}"
1034 LLVMGXX="llvm-g++${EXEEXT}"
1035 LLVMGCCCOMMAND="$LLVMGCC"
1036 LLVMGXXCOMMAND="$LLVMGXX"
1037 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1038 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1039 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
1040 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
1042 if test -z "$LLVMGCC"; then
1043 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
1044 LLVMGCCCOMMAND="$LLVMGCC"
1046 if test -z "$LLVMGXX"; then
1047 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
1048 LLVMGXXCOMMAND="$LLVMGXX"
1051 AC_SUBST(LLVMGCC,$LLVMGCC)
1052 AC_SUBST(LLVMGXX,$LLVMGXX)
1053 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1054 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1057 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1058 dnl found, otherwise clang if available.
1060 AS_HELP_STRING([--with-llvmcc=<name>],
1061 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1062 [],[with_llvmcc=check])
1063 AC_MSG_CHECKING([LLVM capable compiler])
1064 if test "$with_llvmcc" != "check"; then
1065 if (test "$with_llvmcc" != "llvm-gcc" &&
1066 test "$with_llvmcc" != "clang" &&
1067 test "$with_llvmcc" != "none"); then
1068 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1070 WITH_LLVMCC="$with_llvmcc"
1071 elif test -n "$LLVMGCC"; then
1072 WITH_LLVMCC=llvm-gcc
1073 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1078 AC_MSG_RESULT([$WITH_LLVMCC])
1079 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1081 AC_MSG_CHECKING([tool compatibility])
1083 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1084 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1085 dnl to support those options.
1086 dnl "icc" emits gcc signatures
1087 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1099 if test "$GCC" != "yes" && test "$ICC" != "yes"
1101 AC_MSG_ERROR([gcc|icc required but not found])
1104 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
1105 if test "$GXX" != "yes" && test "$IXX" != "yes"
1107 AC_MSG_ERROR([g++|icc required but not found])
1110 dnl Verify that GCC is version 3.0 or higher
1111 if test "$GCC" = "yes"
1113 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1114 #error Unsupported GCC version
1116 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1119 dnl Check for GNU Make. We use its extensions, so don't build without it
1120 if test -z "$llvm_cv_gnu_make_command"
1122 AC_MSG_ERROR([GNU Make required but not found])
1125 dnl Tool compatibility is okay if we make it here.
1128 dnl Check optional compiler flags.
1129 AC_MSG_CHECKING([optional compiler flags])
1130 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1131 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1132 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1134 dnl===-----------------------------------------------------------------------===
1136 dnl=== SECTION 5: Check for libraries
1138 dnl===-----------------------------------------------------------------------===
1141 if test "$llvm_cv_os_type" = "MingW" ; then
1142 AC_CHECK_LIB(imagehlp, main)
1143 AC_CHECK_LIB(psapi, main)
1146 dnl dlopen() is required for plugin support.
1147 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1148 [Define if dlopen() is available on this platform.]),
1149 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1151 dnl libffi is optional; used to call external functions from the interpreter
1152 if test "$llvm_cv_enable_libffi" = "yes" ; then
1153 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1154 [Define if libffi is available on this platform.]),
1155 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1158 dnl mallinfo is optional; the code can compile (minus features) without it
1159 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1160 [Define if mallinfo() is available on this platform.]))
1162 dnl pthread locking functions are optional - but llvm will not be thread-safe
1164 if test "$ENABLE_THREADS" -eq 1 ; then
1165 AC_CHECK_LIB(pthread, pthread_mutex_init)
1166 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1167 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1168 [Have pthread_mutex_lock]))
1169 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1170 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1171 [Have pthread_rwlock_init]))
1172 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1173 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1174 [Have pthread_getspecific]))
1177 dnl Allow extra x86-disassembler library
1179 AS_HELP_STRING([--with-udis86=<path>],
1180 [Use udis86 external x86 disassembler library]),
1182 AC_SUBST(USE_UDIS86, [1])
1185 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1187 AC_CHECK_LIB(udis86, ud_init, [], [
1188 echo "Error! You need to have libudis86 around."
1192 AC_SUBST(USE_UDIS86, [0]))
1193 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1194 [Define if use udis86 library])
1196 dnl Allow OProfile support for JIT output.
1197 AC_ARG_WITH(oprofile,
1198 AS_HELP_STRING([--with-oprofile=<prefix>],
1199 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1201 AC_SUBST(USE_OPROFILE, [1])
1203 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1205 AC_SUBST(USE_OPROFILE, [0]) ;;
1206 *) llvm_cv_oppath="${withval}/lib/oprofile"
1207 CPPFLAGS="-I${withval}/include";;
1209 if test -n "$llvm_cv_oppath" ; then
1210 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1211 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1212 dnl libbfd is not included properly in libopagent in some Debian
1213 dnl versions. If libbfd isn't found at all, we assume opagent works
1215 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1216 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1217 echo "Error! You need to have libopagent around."
1220 AC_CHECK_HEADER([opagent.h], [], [
1221 echo "Error! You need to have opagent.h around."
1227 AC_SUBST(USE_OPROFILE, [0])
1229 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1230 [Define if we have the oprofile JIT-support library])
1232 dnl===-----------------------------------------------------------------------===
1234 dnl=== SECTION 6: Check for header files
1236 dnl===-----------------------------------------------------------------------===
1238 dnl First, use autoconf provided macros for specific headers that we need
1239 dnl We don't check for ancient stuff or things that are guaranteed to be there
1240 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1241 dnl Generally we're looking for POSIX headers.
1243 AC_HEADER_MMAP_ANONYMOUS
1249 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1250 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1251 AC_CHECK_HEADERS([utime.h windows.h])
1252 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1253 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1254 AC_CHECK_HEADERS([valgrind/valgrind.h])
1255 if test "$ENABLE_THREADS" -eq 1 ; then
1256 AC_CHECK_HEADERS(pthread.h,
1257 AC_SUBST(HAVE_PTHREAD, 1),
1258 AC_SUBST(HAVE_PTHREAD, 0))
1260 AC_SUBST(HAVE_PTHREAD, 0)
1263 dnl Try to find ffi.h.
1264 if test "$llvm_cv_enable_libffi" = "yes" ; then
1265 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1268 dnl Try to find Darwin specific crash reporting library.
1269 AC_CHECK_HEADERS([CrashReporterClient.h])
1271 dnl===-----------------------------------------------------------------------===
1273 dnl=== SECTION 7: Check for types and structures
1275 dnl===-----------------------------------------------------------------------===
1280 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1282 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1283 AC_CHECK_TYPES([uint64_t],,
1284 AC_CHECK_TYPES([u_int64_t],,
1285 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1287 dnl===-----------------------------------------------------------------------===
1289 dnl=== SECTION 8: Check for specific functions needed
1291 dnl===-----------------------------------------------------------------------===
1293 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1294 AC_CHECK_FUNCS([powf fmodf strtof round ])
1295 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1296 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1297 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1298 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1299 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1300 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1304 dnl Check for variations in the Standard C++ library and STL. These macros are
1305 dnl provided by LLVM in the autoconf/m4 directory.
1309 dnl Check for mmap support.We also need to know if /dev/zero is required to
1310 dnl be opened for allocating RWX memory.
1311 dnl Make sure we aren't attempting to configure for an unknown system
1312 if test "$llvm_cv_platform_type" = "Unix" ; then
1315 AC_NEED_DEV_ZERO_FOR_MMAP
1317 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1319 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1321 if test "$ac_cv_func_mmap_file" = "no"
1323 AC_MSG_WARN([mmap() of files required but not found])
1327 dnl atomic builtins are required for threading support.
1328 AC_MSG_CHECKING(for GCC atomic builtins)
1329 dnl Since we'll be using these atomic builtins in C++ files we should test
1330 dnl the C++ compiler.
1335 volatile unsigned long val = 1;
1336 __sync_synchronize();
1337 __sync_val_compare_and_swap(&val, 1, 0);
1338 __sync_add_and_fetch(&val, 1);
1339 __sync_sub_and_fetch(&val, 1);
1345 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1347 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1348 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1350 dnl===-----------------------------------------------------------------------===
1352 dnl=== SECTION 9: Additional checks, variables, etc.
1354 dnl===-----------------------------------------------------------------------===
1356 dnl Handle 32-bit linux systems running a 64-bit kernel.
1357 dnl This has to come after section 4 because it invokes the compiler.
1358 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1360 if test "$llvm_cv_linux_mixed" = "yes"; then
1361 llvm_cv_target_arch="x86"
1366 dnl Check, whether __dso_handle is present
1367 AC_CHECK_FUNCS([__dso_handle])
1369 dnl See if the llvm-gcc executable can compile to LLVM assembly
1370 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1371 [llvm_cv_llvmgcc_sanity="no"
1372 if test -x "$LLVMGCC" ; then
1373 cp /dev/null conftest.c
1374 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1375 grep 'target datalayout =' > /dev/null 2>&1
1376 if test $? -eq 0 ; then
1377 llvm_cv_llvmgcc_sanity="yes"
1382 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1383 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1384 AC_MSG_CHECKING([llvm-gcc component support])
1385 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1386 AC_SUBST(LLVMCC1,$llvmcc1path)
1387 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1388 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1389 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1390 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1391 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1392 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1396 dnl Propagate the shared library extension that the libltdl checks did to
1397 dnl the Makefiles so we can use it there too
1398 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1400 dnl Propagate the run-time library path variable that the libltdl
1401 dnl checks found to the Makefiles so we can use it there too
1402 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1404 # Translate the various configuration directories and other basic
1405 # information into substitutions that will end up in Makefile.config.in
1406 # that these configured values can be used by the makefiles
1407 if test "${prefix}" = "NONE" ; then
1410 eval LLVM_PREFIX="${prefix}";
1411 eval LLVM_BINDIR="${prefix}/bin";
1412 eval LLVM_LIBDIR="${prefix}/lib";
1413 eval LLVM_DATADIR="${prefix}/share/llvm";
1414 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1415 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1416 eval LLVM_INCLUDEDIR="${prefix}/include";
1417 eval LLVM_INFODIR="${prefix}/info";
1418 eval LLVM_MANDIR="${prefix}/man";
1419 LLVM_CONFIGTIME=`date`
1420 AC_SUBST(LLVM_PREFIX)
1421 AC_SUBST(LLVM_BINDIR)
1422 AC_SUBST(LLVM_LIBDIR)
1423 AC_SUBST(LLVM_DATADIR)
1424 AC_SUBST(LLVM_DOCSDIR)
1425 AC_SUBST(LLVM_ETCDIR)
1426 AC_SUBST(LLVM_INCLUDEDIR)
1427 AC_SUBST(LLVM_INFODIR)
1428 AC_SUBST(LLVM_MANDIR)
1429 AC_SUBST(LLVM_CONFIGTIME)
1431 # Place the various directores into the config.h file as #defines so that we
1432 # can know about the installation paths within LLVM.
1433 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1434 [Installation prefix directory])
1435 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1436 [Installation directory for binary executables])
1437 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1438 [Installation directory for libraries])
1439 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1440 [Installation directory for data files])
1441 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1442 [Installation directory for documentation])
1443 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1444 [Installation directory for config files])
1445 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1446 [Installation directory for include files])
1447 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1448 [Installation directory for .info files])
1449 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1450 [Installation directory for man pages])
1451 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1452 [Time at which LLVM was configured])
1453 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1454 [Host triple we were built on])
1456 # Determine which bindings to build.
1457 if test "$BINDINGS_TO_BUILD" = auto ; then
1458 BINDINGS_TO_BUILD=""
1459 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1460 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1463 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1465 # This isn't really configurey, but it avoids having to repeat the list in
1467 AC_SUBST(ALL_BINDINGS,ocaml)
1469 # Do any work necessary to ensure that bindings have what they need.
1470 binding_prereqs_failed=0
1471 for a_binding in $BINDINGS_TO_BUILD ; do
1472 case "$a_binding" in
1474 if test "x$OCAMLC" = x ; then
1475 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1476 binding_prereqs_failed=1
1478 if test "x$OCAMLDEP" = x ; then
1479 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1480 binding_prereqs_failed=1
1482 if test "x$OCAMLOPT" = x ; then
1483 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1484 dnl ocamlopt is optional!
1486 if test "x$with_ocaml_libdir" != xauto ; then
1487 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1489 ocaml_stdlib="`"$OCAMLC" -where`"
1490 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1492 # ocaml stdlib is beneath our prefix; use stdlib
1493 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1495 # ocaml stdlib is outside our prefix; use libdir/ocaml
1496 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1502 if test "$binding_prereqs_failed" = 1 ; then
1503 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1506 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1507 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1509 dnl Determine linker rpath flag
1510 if test "$llvm_cv_link_use_r" = "yes" ; then
1517 dnl Determine linker rdynamic flag
1518 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1519 RDYNAMIC="-Wl,-export-dynamic"
1525 dnl===-----------------------------------------------------------------------===
1527 dnl=== SECTION 10: Specify the output files and generate it
1529 dnl===-----------------------------------------------------------------------===
1531 dnl Configure header files
1532 dnl WARNING: dnl If you add or remove any of the following config headers, then
1533 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1534 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1535 dnl files can be updated automatically when their *.in sources change.
1536 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1537 AH_TOP([#ifndef CONFIG_H
1541 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1542 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1543 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1544 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1545 AC_CONFIG_HEADERS([include/llvm/System/DataTypes.h])
1547 dnl Configure the makefile's configuration data
1548 AC_CONFIG_FILES([Makefile.config])
1550 dnl Configure the RPM spec file for LLVM
1551 AC_CONFIG_FILES([llvm.spec])
1553 dnl Configure llvmc's Base plugin
1554 AC_CONFIG_FILES([tools/llvmc/src/Base.td])
1556 dnl Do the first stage of configuration for llvm-config.in.
1557 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1559 dnl Do special configuration of Makefiles
1560 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1561 AC_CONFIG_MAKEFILE(Makefile)
1562 AC_CONFIG_MAKEFILE(Makefile.common)
1563 AC_CONFIG_MAKEFILE(examples/Makefile)
1564 AC_CONFIG_MAKEFILE(lib/Makefile)
1565 AC_CONFIG_MAKEFILE(runtime/Makefile)
1566 AC_CONFIG_MAKEFILE(test/Makefile)
1567 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1568 AC_CONFIG_MAKEFILE(unittests/Makefile)
1569 AC_CONFIG_MAKEFILE(tools/Makefile)
1570 AC_CONFIG_MAKEFILE(utils/Makefile)
1571 AC_CONFIG_MAKEFILE(projects/Makefile)
1572 AC_CONFIG_MAKEFILE(bindings/Makefile)
1573 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1575 dnl Finally, crank out the output