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 address for reporting bugs.
34 AC_INIT([LLVM],[3.2svn],[http://llvm.org/bugs/])
35 AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API])
36 AC_DEFINE([LLVM_VERSION_MINOR], [2], [Minor version of the LLVM API])
38 dnl Provide a copyright substitution and ensure the copyright notice is included
39 dnl in the output of --version option of the generated configure script.
40 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2012 University of Illinois at Urbana-Champaign."])
41 AC_COPYRIGHT([Copyright (c) 2003-2012 University of Illinois at Urbana-Champaign.])
43 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
44 AC_SUBST([program_prefix])
46 dnl Indicate that we require autoconf 2.60 or later.
49 dnl Verify that the source directory is valid. This makes sure that we are
50 dnl configuring LLVM and not some other package (it validates --srcdir argument)
51 AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp])
53 dnl Place all of the extra autoconf files into the config subdirectory. Tell
54 dnl various tools where the m4 autoconf macros are.
55 AC_CONFIG_AUX_DIR([autoconf])
57 dnl Quit if the source directory has already been configured.
58 dnl NOTE: This relies upon undocumented autoconf behavior.
59 if test ${srcdir} != "." ; then
60 if test -f ${srcdir}/include/llvm/Config/config.h ; then
61 AC_MSG_ERROR([Already configured in ${srcdir}])
65 dnl We need to check for the compiler up here to avoid anything else
66 dnl starting with a different one.
67 AC_PROG_CC(clang llvm-gcc gcc)
68 AC_PROG_CXX(clang++ llvm-g++ g++)
71 dnl Configure all of the projects present in our source tree. While we could
72 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
73 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
74 dnl Instead we match on the known projects.
77 dnl One tricky part of doing this is that some projects depend upon other
78 dnl projects. For example, several projects rely upon the LLVM test suite.
79 dnl We want to configure those projects first so that their object trees are
80 dnl created before running the configure scripts of projects that depend upon
84 dnl Several projects use llvm-gcc, so configure that first
85 if test -d ${srcdir}/projects/llvm-gcc ; then
86 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
89 dnl Several projects use the LLVM test suite, so configure it next.
90 if test -d ${srcdir}/projects/test-suite ; then
91 AC_CONFIG_SUBDIRS([projects/test-suite])
94 dnl llvm-test is the old name of the test-suite, kept here for backwards
96 if test -d ${srcdir}/projects/llvm-test ; then
97 AC_CONFIG_SUBDIRS([projects/llvm-test])
100 dnl Some projects use poolalloc; configure that next
101 if test -d ${srcdir}/projects/poolalloc ; then
102 AC_CONFIG_SUBDIRS([projects/poolalloc])
105 if test -d ${srcdir}/projects/llvm-poolalloc ; then
106 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
109 dnl Check for all other projects
110 for i in `ls ${srcdir}/projects`
112 if test -d ${srcdir}/projects/${i} ; then
114 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
115 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
116 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
117 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
118 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
119 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
120 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
121 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
129 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
135 dnl Disable the build of polly, even if it is checked out into tools/polly.
137 AS_HELP_STRING([--enable-polly],
138 [Use polly if available (default is YES)]),,
141 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
142 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
143 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
144 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
148 dnl Check if polly is checked out into tools/polly and configure it if
150 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
151 AC_SUBST(LLVM_HAS_POLLY,1)
152 AC_CONFIG_SUBDIRS([tools/polly])
155 dnl===-----------------------------------------------------------------------===
157 dnl=== SECTION 2: Architecture, target, and host checks
159 dnl===-----------------------------------------------------------------------===
161 dnl Check the target for which we're compiling and the host that will do the
162 dnl compilations. This will tell us which LLVM compiler will be used for
163 dnl compiling SSA into object code. This needs to be done early because
164 dnl following tests depend on it.
167 dnl Determine the platform type and cache its value. This helps us configure
168 dnl the System library to the correct build platform.
169 AC_CACHE_CHECK([type of operating system we're going to host on],
173 llvm_cv_link_all_option="-Wl,--whole-archive"
174 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
175 llvm_cv_os_type="AIX"
176 llvm_cv_platform_type="Unix" ;;
178 llvm_cv_link_all_option="-Wl,--whole-archive"
179 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
180 llvm_cv_os_type="IRIX"
181 llvm_cv_platform_type="Unix" ;;
183 llvm_cv_link_all_option="-Wl,--whole-archive"
184 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
185 llvm_cv_os_type="Cygwin"
186 llvm_cv_platform_type="Unix" ;;
188 llvm_cv_link_all_option="-Wl,-all_load"
189 llvm_cv_no_link_all_option="-Wl,-noall_load"
190 llvm_cv_os_type="Darwin"
191 llvm_cv_platform_type="Unix" ;;
193 llvm_cv_link_all_option="-Wl,-all_load"
194 llvm_cv_no_link_all_option="-Wl,-noall_load"
195 llvm_cv_os_type="Minix"
196 llvm_cv_platform_type="Unix" ;;
197 *-*-freebsd* | *-*-kfreebsd-gnu)
198 llvm_cv_link_all_option="-Wl,--whole-archive"
199 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
200 llvm_cv_os_type="FreeBSD"
201 llvm_cv_platform_type="Unix" ;;
203 llvm_cv_link_all_option="-Wl,--whole-archive"
204 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
205 llvm_cv_os_type="OpenBSD"
206 llvm_cv_platform_type="Unix" ;;
208 llvm_cv_link_all_option="-Wl,--whole-archive"
209 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
210 llvm_cv_os_type="NetBSD"
211 llvm_cv_platform_type="Unix" ;;
213 llvm_cv_link_all_option="-Wl,--whole-archive"
214 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
215 llvm_cv_os_type="DragonFly"
216 llvm_cv_platform_type="Unix" ;;
218 llvm_cv_link_all_option="-Wl,--whole-archive"
219 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
220 llvm_cv_os_type="HP-UX"
221 llvm_cv_platform_type="Unix" ;;
223 llvm_cv_link_all_option="-Wl,--whole-archive"
224 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
225 llvm_cv_os_type="Interix"
226 llvm_cv_platform_type="Unix" ;;
228 llvm_cv_link_all_option="-Wl,--whole-archive"
229 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
230 llvm_cv_os_type="Linux"
231 llvm_cv_platform_type="Unix" ;;
233 llvm_cv_link_all_option="-Wl,--whole-archive"
234 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
235 llvm_cv_os_type="GNU"
236 llvm_cv_platform_type="Unix" ;;
238 llvm_cv_link_all_option="-Wl,-z,allextract"
239 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
240 llvm_cv_os_type="SunOS"
241 llvm_cv_platform_type="Unix" ;;
243 llvm_cv_link_all_option="-Wl,-z,allextract"
244 llvm_cv_link_all_option="-Wl,-z,defaultextract"
245 llvm_cv_os_type="AuroraUX"
246 llvm_cv_platform_type="Unix" ;;
248 llvm_cv_link_all_option="-Wl,--whole-archive"
249 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
250 llvm_cv_os_type="Win32"
251 llvm_cv_platform_type="Win32" ;;
253 llvm_cv_link_all_option="-Wl,--whole-archive"
254 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
255 llvm_cv_os_type="MingW"
256 llvm_cv_platform_type="Win32" ;;
258 llvm_cv_link_all_option="-Wl,--whole-archive"
259 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
260 llvm_cv_os_type="Haiku"
261 llvm_cv_platform_type="Unix" ;;
263 llvm_cv_link_all_option="-Wl,--whole-archive"
264 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
265 llvm_cv_os_type="Freestanding"
266 llvm_cv_platform_type="Unix" ;;
268 llvm_cv_link_all_option="-Wl,--whole-archive"
269 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
270 llvm_cv_os_type="Freestanding"
271 llvm_cv_platform_type="Unix" ;;
273 llvm_cv_link_all_option=""
274 llvm_cv_no_link_all_option=""
275 llvm_cv_os_type="Unknown"
276 llvm_cv_platform_type="Unknown" ;;
279 AC_CACHE_CHECK([type of operating system we're going to target],
280 [llvm_cv_target_os_type],
283 llvm_cv_target_os_type="AIX" ;;
285 llvm_cv_target_os_type="IRIX" ;;
287 llvm_cv_target_os_type="Cygwin" ;;
289 llvm_cv_target_os_type="Darwin" ;;
291 llvm_cv_target_os_type="Minix" ;;
292 *-*-freebsd* | *-*-kfreebsd-gnu)
293 llvm_cv_target_os_type="FreeBSD" ;;
295 llvm_cv_target_os_type="OpenBSD" ;;
297 llvm_cv_target_os_type="NetBSD" ;;
299 llvm_cv_target_os_type="DragonFly" ;;
301 llvm_cv_target_os_type="HP-UX" ;;
303 llvm_cv_target_os_type="Interix" ;;
305 llvm_cv_target_os_type="Linux" ;;
307 llvm_cv_target_os_type="GNU" ;;
309 llvm_cv_target_os_type="SunOS" ;;
311 llvm_cv_target_os_type="AuroraUX" ;;
313 llvm_cv_target_os_type="Win32" ;;
315 llvm_cv_target_os_type="MingW" ;;
317 llvm_cv_target_os_type="Haiku" ;;
319 llvm_cv_target_os_type="RTEMS" ;;
321 llvm_cv_target_os_type="NativeClient" ;;
323 llvm_cv_target_os_type="Freestanding" ;;
325 llvm_cv_target_os_type="Unknown" ;;
328 dnl Make sure we aren't attempting to configure for an unknown system
329 if test "$llvm_cv_os_type" = "Unknown" ; then
330 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
333 dnl Set the "OS" Makefile variable based on the platform type so the
334 dnl makefile can configure itself to specific build hosts
335 AC_SUBST(OS,$llvm_cv_os_type)
336 AC_SUBST(HOST_OS,$llvm_cv_os_type)
337 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
339 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
340 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
341 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
343 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
344 dnl This is used by lib/Support to determine the basic kind of implementation
346 case $llvm_cv_platform_type in
348 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
349 AC_SUBST(LLVM_ON_UNIX,[1])
350 AC_SUBST(LLVM_ON_WIN32,[0])
353 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
354 AC_SUBST(LLVM_ON_UNIX,[0])
355 AC_SUBST(LLVM_ON_WIN32,[1])
359 dnl Determine what our target architecture is and configure accordingly.
360 dnl This will allow Makefiles to make a distinction between the hardware and
362 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
364 i?86-*) llvm_cv_target_arch="x86" ;;
365 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
366 sparc*-*) llvm_cv_target_arch="Sparc" ;;
367 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
368 arm*-*) llvm_cv_target_arch="ARM" ;;
369 mips-*) llvm_cv_target_arch="Mips" ;;
370 mipsel-*) llvm_cv_target_arch="Mips" ;;
371 xcore-*) llvm_cv_target_arch="XCore" ;;
372 msp430-*) llvm_cv_target_arch="MSP430" ;;
373 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
374 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
375 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
376 *) llvm_cv_target_arch="Unknown" ;;
379 if test "$llvm_cv_target_arch" = "Unknown" ; then
380 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
383 dnl Determine the LLVM native architecture for the target
384 case "$llvm_cv_target_arch" in
385 x86) LLVM_NATIVE_ARCH="X86" ;;
386 x86_64) LLVM_NATIVE_ARCH="X86" ;;
387 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
390 dnl Define a substitution, ARCH, for the target architecture
391 AC_SUBST(ARCH,$llvm_cv_target_arch)
393 dnl Determine what our host architecture.
394 dnl This will allow MCJIT regress tests runs only for supported
397 i?86-*) host_arch="x86" ;;
398 amd64-* | x86_64-*) host_arch="x86_64" ;;
399 sparc*-*) host_arch="Sparc" ;;
400 powerpc*-*) host_arch="PowerPC" ;;
401 arm*-*) host_arch="ARM" ;;
402 mips-*) host_arch="Mips" ;;
403 mipsel-*) host_arch="Mips" ;;
404 xcore-*) host_arch="XCore" ;;
405 msp430-*) host_arch="MSP430" ;;
406 hexagon-*) host_arch="Hexagon" ;;
407 mblaze-*) host_arch="MBlaze" ;;
408 *) host_arch="Unknown" ;;
411 if test "$host_arch" = "Unknown" ; then
412 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
415 AC_SUBST(HOST_ARCH,$host_arch)
417 dnl Check for the endianness of the target
418 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
420 dnl Check for build platform executable suffix if we're cross-compiling
421 if test "$cross_compiling" = yes; then
422 AC_SUBST(LLVM_CROSS_COMPILING, [1])
424 ac_build_prefix=${build_alias}-
425 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
426 if test -z "$BUILD_CXX"; then
427 AC_CHECK_PROG(BUILD_CXX, g++, g++)
428 if test -z "$BUILD_CXX"; then
429 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
433 AC_SUBST(LLVM_CROSS_COMPILING, [0])
436 dnl Check to see if there's a .svn or .git directory indicating that this
437 dnl build is being done from a checkout. This sets up several defaults for
438 dnl the command line switches. When we build with a checkout directory,
439 dnl we get a debug with assertions turned on. Without, we assume a source
440 dnl release and we get an optimized build without assertions.
441 dnl See --enable-optimized and --enable-assertions below
442 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
445 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
451 dnl===-----------------------------------------------------------------------===
453 dnl=== SECTION 3: Command line arguments for the configure script.
455 dnl===-----------------------------------------------------------------------===
457 dnl --enable-libcpp : check whether or not to use libc++ on the command line
458 AC_ARG_ENABLE(libcpp,
459 AS_HELP_STRING([--enable-libcpp],
460 [Use libc++ if available (default is NO)]),,
463 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
464 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
465 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
466 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
469 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
471 AS_HELP_STRING([--enable-cxx11],
472 [Use c++11 if available (default is NO)]),,
475 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
476 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
477 default) AC_SUBST(ENABLE_CXX11,[0]);;
478 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
481 dnl --enable-optimized : check whether they want to do an optimized build:
482 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
483 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
484 if test ${enableval} = "no" ; then
485 AC_SUBST(ENABLE_OPTIMIZED,[[]])
487 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
490 dnl --enable-profiling : check whether they want to do a profile build:
491 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
492 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
493 if test ${enableval} = "no" ; then
494 AC_SUBST(ENABLE_PROFILING,[[]])
496 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
499 dnl --enable-assertions : check whether they want to turn on assertions or not:
500 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
501 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
502 if test ${enableval} = "yes" ; then
503 AC_SUBST(DISABLE_ASSERTIONS,[[]])
505 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
508 dnl --enable-werror : check whether we want Werror on by default
509 AC_ARG_ENABLE(werror,AS_HELP_STRING(
510 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
512 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
513 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
514 default) AC_SUBST(ENABLE_WERROR,[0]);;
515 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
518 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
519 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
520 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
521 if test ${enableval} = "yes" ; then
522 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
523 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
525 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
526 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
529 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
530 AC_ARG_ENABLE(debug-runtime,
531 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
532 if test ${enableval} = "no" ; then
533 AC_SUBST(DEBUG_RUNTIME,[[]])
535 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
538 dnl --enable-debug-symbols : should even optimized compiler libraries
539 dnl have debug symbols?
540 AC_ARG_ENABLE(debug-symbols,
541 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)
542 if test ${enableval} = "no" ; then
543 AC_SUBST(DEBUG_SYMBOLS,[[]])
545 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
548 dnl --enable-keep-symbols : do not strip installed executables
549 AC_ARG_ENABLE(keep-symbols,
550 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
551 if test ${enableval} = "no" ; then
552 AC_SUBST(KEEP_SYMBOLS,[[]])
554 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
557 dnl --enable-jit: check whether they want to enable the jit
559 AS_HELP_STRING(--enable-jit,
560 [Enable Just In Time Compiling (default is YES)]),,
562 if test ${enableval} = "no"
566 case "$llvm_cv_target_arch" in
567 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
568 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
569 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
570 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
571 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
572 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
573 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
574 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
575 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
576 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
577 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
578 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
582 dnl Allow enablement of building and installing docs
584 AS_HELP_STRING([--enable-docs],
585 [Build documents (default is YES)]),,
588 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
589 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
590 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
591 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
594 dnl Allow enablement of doxygen generated documentation
595 AC_ARG_ENABLE(doxygen,
596 AS_HELP_STRING([--enable-doxygen],
597 [Build doxygen documentation (default is NO)]),,
600 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
601 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
602 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
603 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
606 dnl Allow disablement of threads
607 AC_ARG_ENABLE(threads,
608 AS_HELP_STRING([--enable-threads],
609 [Use threads if available (default is YES)]),,
612 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
613 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
614 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
615 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
617 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
618 [Define if threads enabled])
620 dnl Allow disablement of pthread.h
621 AC_ARG_ENABLE(pthreads,
622 AS_HELP_STRING([--enable-pthreads],
623 [Use pthreads if available (default is YES)]),,
626 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
627 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
628 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
629 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
632 dnl Allow building without position independent code
634 AS_HELP_STRING([--enable-pic],
635 [Build LLVM with Position Independent Code (default is YES)]),,
638 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
639 no) AC_SUBST(ENABLE_PIC,[0]) ;;
640 default) AC_SUBST(ENABLE_PIC,[1]) ;;
641 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
643 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
644 [Define if position independent code is enabled])
646 dnl Allow building a shared library and linking tools against it.
647 AC_ARG_ENABLE(shared,
648 AS_HELP_STRING([--enable-shared],
649 [Build a shared library and link tools against it (default is NO)]),,
652 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
653 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
654 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
655 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
658 dnl Allow libstdc++ is embedded in LLVM.dll.
659 AC_ARG_ENABLE(embed-stdcxx,
660 AS_HELP_STRING([--enable-embed-stdcxx],
661 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
664 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
665 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
666 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
667 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
670 dnl Enable embedding timestamp information into build.
671 AC_ARG_ENABLE(timestamps,
672 AS_HELP_STRING([--enable-timestamps],
673 [Enable embedding timestamp information in build (default is YES)]),,
676 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
677 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
678 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
679 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
681 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
682 [Define if timestamp information (e.g., __DATE__) is allowed])
684 dnl Allow specific targets to be specified for building (or not)
686 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
687 [Build specific host targets: all or target1,target2,... Valid targets are:
688 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
689 xcore, msp430, nvptx, and cpp (default=all)]),,
691 if test "$enableval" = host-only ; then
695 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;;
696 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
698 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
699 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
700 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
701 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
702 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
703 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
704 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
705 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
706 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
707 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
708 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
709 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
710 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
711 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
712 host) case "$llvm_cv_target_arch" in
713 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
714 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
715 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
716 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
717 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
718 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
719 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
720 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
721 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
722 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
723 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
724 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
725 *) AC_MSG_ERROR([Can not set target to build]) ;;
727 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
733 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
734 [Build experimental host targets: disable or target1,target2,...
735 (default=disable)]),,
738 if test ${enableval} != "disable"
740 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
743 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
745 dnl Determine whether we are building LLVM support for the native architecture.
746 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
747 for a_target in $TARGETS_TO_BUILD; do
748 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
749 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
750 [LLVM architecture name for the native architecture, if available])
751 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
752 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
753 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
754 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
755 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
756 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
758 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
759 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
761 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
762 [LLVM name for the native Target init function, if available])
763 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
764 [LLVM name for the native TargetInfo init function, if available])
765 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
766 [LLVM name for the native target MC init function, if available])
767 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
768 [LLVM name for the native AsmPrinter init function, if available])
769 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
770 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
771 [LLVM name for the native AsmParser init function, if available])
773 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
774 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
775 [LLVM name for the native Disassembler init function, if available])
780 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
781 dnl target feature def files.
783 LLVM_ENUM_ASM_PRINTERS=""
784 LLVM_ENUM_ASM_PARSERS=""
785 LLVM_ENUM_DISASSEMBLERS=""
786 for target_to_build in $TARGETS_TO_BUILD; do
787 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
788 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
789 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
791 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
792 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
794 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
795 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
798 AC_SUBST(LLVM_ENUM_TARGETS)
799 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
800 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
801 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
803 dnl Override the option to use for optimized builds.
804 AC_ARG_WITH(optimize-option,
805 AS_HELP_STRING([--with-optimize-option],
806 [Select the compiler options to use for optimized builds]),,
808 AC_MSG_CHECKING([optimization flags])
811 case "$llvm_cv_os_type" in
812 FreeBSD) optimize_option=-O2 ;;
813 MingW) optimize_option=-O2 ;;
814 *) optimize_option=-O3 ;;
816 *) optimize_option="$withval" ;;
818 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
819 AC_MSG_RESULT([$optimize_option])
821 dnl Specify extra build options
822 AC_ARG_WITH(extra-options,
823 AS_HELP_STRING([--with-extra-options],
824 [Specify additional options to compile LLVM with]),,
827 default) EXTRA_OPTIONS= ;;
828 *) EXTRA_OPTIONS=$withval ;;
830 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
832 dnl Specify extra linker build options
833 AC_ARG_WITH(extra-ld-options,
834 AS_HELP_STRING([--with-extra-ld-options],
835 [Specify additional options to link LLVM with]),,
838 default) EXTRA_LD_OPTIONS= ;;
839 *) EXTRA_LD_OPTIONS=$withval ;;
841 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
843 dnl Allow specific bindings to be specified for building (or not)
844 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
845 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
849 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
850 all ) BINDINGS_TO_BUILD="ocaml" ;;
851 none | no) BINDINGS_TO_BUILD="" ;;
852 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
854 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
855 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
861 dnl Allow the ocaml libdir to be overridden. This could go in a configure
862 dnl script for bindings/ocaml/configure, except that its auto value depends on
863 dnl OCAMLC, which is found here to support tests.
864 AC_ARG_WITH([ocaml-libdir],
865 [AS_HELP_STRING([--with-ocaml-libdir],
866 [Specify install location for ocaml bindings (default is stdlib)])],
870 auto) with_ocaml_libdir="$withval" ;;
871 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
872 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
875 AC_ARG_WITH(clang-srcdir,
876 AS_HELP_STRING([--with-clang-srcdir],
877 [Directory to the out-of-tree Clang source]),,
880 -) clang_src_root="" ;;
881 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
882 *) clang_src_root="$ac_pwd/$withval" ;;
884 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
886 AC_ARG_WITH(clang-resource-dir,
887 AS_HELP_STRING([--with-clang-resource-dir],
888 [Relative directory from the Clang binary for resource files]),,
890 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
891 [Relative directory for resource files])
893 AC_ARG_WITH(c-include-dirs,
894 AS_HELP_STRING([--with-c-include-dirs],
895 [Colon separated list of directories clang will search for headers]),,
897 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
898 [Directories clang will search for headers])
900 # Clang normally uses the system c++ headers and libraries. With this option,
901 # clang will use the ones provided by a gcc installation instead. This option should
902 # be passed the same value that was used with --prefix when configuring gcc.
903 AC_ARG_WITH(gcc-toolchain,
904 AS_HELP_STRING([--with-gcc-toolchain],
905 [Directory where gcc is installed.]),,
907 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
908 [Directory where gcc is installed.])
910 AC_ARG_WITH(default-sysroot,
911 AS_HELP_STRING([--with-default-sysroot],
912 [Add --sysroot=<path> to all compiler invocations.]),,
914 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
915 [Default <path> to all compiler invocations for --sysroot=<path>.])
917 dnl Allow linking of LLVM with GPLv3 binutils code.
918 AC_ARG_WITH(binutils-include,
919 AS_HELP_STRING([--with-binutils-include],
920 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
923 default) WITH_BINUTILS_INCDIR=default ;;
924 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
925 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
927 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
928 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
929 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
930 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
931 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
935 dnl Specify the URL where bug reports should be submitted.
936 AC_ARG_WITH(bug-report-url,
937 AS_HELP_STRING([--with-bug-report-url],
938 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
939 withval="http://llvm.org/bugs/")
940 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
943 dnl --enable-libffi : check whether the user wants to turn off libffi:
944 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
945 --enable-libffi,[Check for the presence of libffi (default is NO)]),
946 [case "$enableval" in
947 yes) llvm_cv_enable_libffi="yes" ;;
948 no) llvm_cv_enable_libffi="no" ;;
949 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
951 llvm_cv_enable_libffi=no)
953 AC_ARG_WITH(internal-prefix,
954 AS_HELP_STRING([--with-internal-prefix],
955 [Installation directory for internal files]),,
957 AC_SUBST(INTERNAL_PREFIX,[$withval])
959 dnl===-----------------------------------------------------------------------===
961 dnl=== SECTION 4: Check for programs we need and that they are the right version
963 dnl===-----------------------------------------------------------------------===
968 dnl Check for the tools that the makefiles require
971 AC_PATH_PROG(CMP, [cmp], [cmp])
972 AC_PATH_PROG(CP, [cp], [cp])
973 AC_PATH_PROG(DATE, [date], [date])
974 AC_PATH_PROG(FIND, [find], [find])
975 AC_PATH_PROG(GREP, [grep], [grep])
976 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
977 AC_PATH_PROG(MV, [mv], [mv])
979 AC_CHECK_TOOL(AR, ar, false)
980 AC_PATH_PROG(RM, [rm], [rm])
981 AC_PATH_PROG(SED, [sed], [sed])
982 AC_PATH_PROG(TAR, [tar], [gtar])
983 AC_PATH_PROG(BINPWD,[pwd], [pwd])
985 dnl Looking for misc. graph plotting software
986 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
987 if test "$GRAPHVIZ" != "echo Graphviz" ; then
988 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
989 dnl If we're targeting for mingw we should emit windows paths, not msys
990 if test "$llvm_cv_os_type" = "MingW" ; then
991 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
993 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
994 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
996 AC_PATH_PROG(DOT, [dot], [echo dot])
997 if test "$DOT" != "echo dot" ; then
998 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
999 dnl If we're targeting for mingw we should emit windows paths, not msys
1000 if test "$llvm_cv_os_type" = "MingW" ; then
1001 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1003 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1004 [Define to path to dot program if found or 'echo dot' otherwise])
1006 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1007 if test "$FDP" != "echo fdp" ; then
1008 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1009 dnl If we're targeting for mingw we should emit windows paths, not msys
1010 if test "$llvm_cv_os_type" = "MingW" ; then
1011 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1013 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1014 [Define to path to fdp program if found or 'echo fdp' otherwise])
1016 AC_PATH_PROG(NEATO, [neato], [echo neato])
1017 if test "$NEATO" != "echo neato" ; then
1018 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1019 dnl If we're targeting for mingw we should emit windows paths, not msys
1020 if test "$llvm_cv_os_type" = "MingW" ; then
1021 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1023 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1024 [Define to path to neato program if found or 'echo neato' otherwise])
1026 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1027 if test "$TWOPI" != "echo twopi" ; then
1028 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1029 dnl If we're targeting for mingw we should emit windows paths, not msys
1030 if test "$llvm_cv_os_type" = "MingW" ; then
1031 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1033 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1034 [Define to path to twopi program if found or 'echo twopi' otherwise])
1036 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1037 if test "$CIRCO" != "echo circo" ; then
1038 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1039 dnl If we're targeting for mingw we should emit windows paths, not msys
1040 if test "$llvm_cv_os_type" = "MingW" ; then
1041 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1043 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1044 [Define to path to circo program if found or 'echo circo' otherwise])
1046 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1047 if test "$GV" != "echo gv" ; then
1048 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1049 dnl If we're targeting for mingw we should emit windows paths, not msys
1050 if test "$llvm_cv_os_type" = "MingW" ; then
1051 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1053 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1054 [Define to path to gv program if found or 'echo gv' otherwise])
1056 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1057 if test "$DOTTY" != "echo dotty" ; then
1058 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1059 dnl If we're targeting for mingw we should emit windows paths, not msys
1060 if test "$llvm_cv_os_type" = "MingW" ; then
1061 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1063 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1064 [Define to path to dotty program if found or 'echo dotty' otherwise])
1066 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1067 if test "$XDOT_PY" != "echo xdot.py" ; then
1068 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1069 dnl If we're targeting for mingw we should emit windows paths, not msys
1070 if test "$llvm_cv_os_type" = "MingW" ; then
1071 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1073 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1074 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1077 dnl Find the install program
1079 dnl Prepend src dir to install path dir if it's a relative path
1080 dnl This is a hack for installs that take place in something other
1081 dnl than the top level.
1083 [[\\/$]]* | ?:[[\\/]]* ) ;;
1084 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1087 dnl Checks for documentation and testing tools that we can do without. If these
1088 dnl are not found then they are set to "true" which always succeeds but does
1089 dnl nothing. This just lets the build output show that we could have done
1090 dnl something if the tool was available.
1091 AC_PATH_PROG(BZIP2, [bzip2])
1092 AC_PATH_PROG(CAT, [cat])
1093 AC_PATH_PROG(DOXYGEN, [doxygen])
1094 AC_PATH_PROG(GROFF, [groff])
1095 AC_PATH_PROG(GZIPBIN, [gzip])
1096 AC_PATH_PROG(PDFROFF, [pdfroff])
1097 AC_PATH_PROG(ZIP, [zip])
1098 AC_PATH_PROGS(OCAMLC, [ocamlc])
1099 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1100 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1101 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1102 AC_PATH_PROGS(GAS, [gas as])
1104 dnl Get the version of the linker in use.
1107 dnl Determine whether the linker supports the -R option.
1110 dnl Determine whether the linker supports the -export-dynamic option.
1111 AC_LINK_EXPORT_DYNAMIC
1113 dnl Determine whether the linker supports the --version-script option.
1114 AC_LINK_VERSION_SCRIPT
1116 dnl Check for libtool and the library that has dlopen function (which must come
1117 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1122 AC_MSG_CHECKING([tool compatibility])
1124 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1125 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1126 dnl to support those options.
1127 dnl "icc" emits gcc signatures
1128 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1140 if test "$GCC" != "yes" && test "$ICC" != "yes"
1142 AC_MSG_ERROR([gcc|icc required but not found])
1145 dnl Ensure that compilation tools are compatible with GCC extensions
1146 if test "$GXX" != "yes" && test "$IXX" != "yes"
1148 AC_MSG_ERROR([g++|clang++|icc required but not found])
1151 dnl Verify that GCC is version 3.0 or higher
1152 if test "$GCC" = "yes"
1154 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1155 #error Unsupported GCC version
1157 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1160 dnl Check for GNU Make. We use its extensions, so don't build without it
1161 if test -z "$llvm_cv_gnu_make_command"
1163 AC_MSG_ERROR([GNU Make required but not found])
1166 dnl Tool compatibility is okay if we make it here.
1169 dnl Check optional compiler flags.
1170 AC_MSG_CHECKING([optional compiler flags])
1171 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1172 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1173 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1174 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1176 dnl===-----------------------------------------------------------------------===
1178 dnl=== SECTION 5: Check for libraries
1180 dnl===-----------------------------------------------------------------------===
1183 if test "$llvm_cv_os_type" = "MingW" ; then
1184 AC_CHECK_LIB(imagehlp, main)
1185 AC_CHECK_LIB(psapi, main)
1188 dnl dlopen() is required for plugin support.
1189 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1190 [Define if dlopen() is available on this platform.]),
1191 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1193 dnl libffi is optional; used to call external functions from the interpreter
1194 if test "$llvm_cv_enable_libffi" = "yes" ; then
1195 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1196 [Define if libffi is available on this platform.]),
1197 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1200 dnl mallinfo is optional; the code can compile (minus features) without it
1201 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1202 [Define if mallinfo() is available on this platform.]))
1204 dnl pthread locking functions are optional - but llvm will not be thread-safe
1206 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1207 AC_CHECK_LIB(pthread, pthread_mutex_init)
1208 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1209 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1210 [Have pthread_mutex_lock]))
1211 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1212 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1213 [Have pthread_rwlock_init]))
1214 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1215 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1216 [Have pthread_getspecific]))
1219 dnl Allow extra x86-disassembler library
1221 AS_HELP_STRING([--with-udis86=<path>],
1222 [Use udis86 external x86 disassembler library]),
1224 AC_SUBST(USE_UDIS86, [1])
1227 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1229 AC_CHECK_LIB(udis86, ud_init, [], [
1230 echo "Error! You need to have libudis86 around."
1234 AC_SUBST(USE_UDIS86, [0]))
1235 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1236 [Define if use udis86 library])
1238 dnl Allow OProfile support for JIT output.
1239 AC_ARG_WITH(oprofile,
1240 AS_HELP_STRING([--with-oprofile=<prefix>],
1241 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1243 AC_SUBST(USE_OPROFILE, [1])
1245 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1247 AC_SUBST(USE_OPROFILE, [0]) ;;
1248 *) llvm_cv_oppath="${withval}/lib/oprofile"
1249 CPPFLAGS="-I${withval}/include";;
1251 case $llvm_cv_os_type in
1253 if test -n "$llvm_cv_oppath" ; then
1254 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1255 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1256 dnl libbfd is not included properly in libopagent in some Debian
1257 dnl versions. If libbfd isn't found at all, we assume opagent works
1259 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1260 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1261 echo "Error! You need to have libopagent around."
1264 AC_CHECK_HEADER([opagent.h], [], [
1265 echo "Error! You need to have opagent.h around."
1270 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1274 AC_SUBST(USE_OPROFILE, [0])
1276 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1277 [Define if we have the oprofile JIT-support library])
1279 dnl Enable support for Intel JIT Events API.
1280 AC_ARG_WITH(intel-jitevents,
1281 AS_HELP_STRING([--with-intel-jitevents=<vtune-amplifier-dir>],
1282 [Specify location of run-time support library for Intel JIT API (default=/opt/intel/vtune_amplifier_xe_2011)]),
1284 case $llvm_cv_os_type in
1285 Linux|Win32|Cygwin|MingW) ;;
1288 Intel JIT API support is available on Linux and Windows only."]) ;;
1291 AC_SUBST(USE_INTEL_JITEVENTS, [1])
1292 case "$llvm_cv_target_arch" in
1293 x86) llvm_intel_jitevents_archdir="lib32";;
1294 x86_64) llvm_intel_jitevents_archdir="lib64";;
1295 *) echo "Target architecture $llvm_cv_target_arch does not support Intel JIT Events API"
1298 INTEL_JITEVENTS_INCDIR="/opt/intel/vtune_amplifier_xe_2011/include"
1299 INTEL_JITEVENTS_LIBDIR="/opt/intel/vtune_amplifier_xe_2011/$llvm_intel_jitevents_archdir"
1301 /* | [[A-Za-z]]:[[\\/]]*) INTEL_JITEVENTS_INCDIR=$withval/include
1302 INTEL_JITEVENTS_LIBDIR=$withval/$llvm_intel_jitevents_archdir ;;
1306 AC_SUBST(INTEL_JITEVENTS_INCDIR)
1307 AC_SUBST(INTEL_JITEVENTS_LIBDIR)
1309 LIBS="$LIBS -L${INTEL_JITEVENTS_LIBDIR}"
1310 CPPFLAGS="$CPPFLAGS -I$INTEL_JITEVENTS_INCDIR"
1312 AC_SEARCH_LIBS(iJIT_IsProfilingActive, jitprofiling, [], [
1313 echo "Error! Cannot find libjitprofiling.a. Please check path specified in flag --with-intel-jitevents"
1316 AC_CHECK_HEADER([jitprofiling.h], [], [
1317 echo "Error! Cannot find jitprofiling.h. Please check path specified in flag --with-intel-jitevents"
1323 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1325 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1326 [Define if we have the Intel JIT API runtime support library])
1328 dnl Check for libxml2
1329 dnl Right now we're just checking for the existence, we could also check for a
1330 dnl particular version via --version on xml2-config
1331 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1333 AC_MSG_CHECKING(for libxml2 includes)
1334 if test "x$XML2CONFIG" = "x"; then
1335 AC_MSG_RESULT(xml2-config not found)
1337 LIBXML2_INC=`$XML2CONFIG --cflags`
1338 AC_MSG_RESULT($LIBXML2_INC)
1339 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1340 LIBXML2_LIBS="-lxml2"])
1342 AC_SUBST(LIBXML2_LIBS)
1343 AC_SUBST(LIBXML2_INC)
1345 dnl===-----------------------------------------------------------------------===
1347 dnl=== SECTION 6: Check for header files
1349 dnl===-----------------------------------------------------------------------===
1351 dnl First, use autoconf provided macros for specific headers that we need
1352 dnl We don't check for ancient stuff or things that are guaranteed to be there
1353 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1354 dnl Generally we're looking for POSIX headers.
1356 AC_HEADER_MMAP_ANONYMOUS
1361 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1362 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1363 AC_CHECK_HEADERS([utime.h windows.h])
1364 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1365 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1366 AC_CHECK_HEADERS([valgrind/valgrind.h])
1367 AC_CHECK_HEADERS([fenv.h])
1368 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1369 AC_CHECK_HEADERS(pthread.h,
1370 AC_SUBST(HAVE_PTHREAD, 1),
1371 AC_SUBST(HAVE_PTHREAD, 0))
1373 AC_SUBST(HAVE_PTHREAD, 0)
1376 dnl Try to find ffi.h.
1377 if test "$llvm_cv_enable_libffi" = "yes" ; then
1378 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1381 dnl Try to find Darwin specific crash reporting libraries.
1382 AC_CHECK_HEADERS([CrashReporterClient.h])
1384 dnl Try to find Darwin specific crash reporting global.
1385 AC_MSG_CHECKING([__crashreporter_info__])
1388 [[extern const char *__crashreporter_info__;
1390 __crashreporter_info__ = "test";
1395 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1397 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1398 Define if __crashreporter_info__ exists.))
1400 dnl===-----------------------------------------------------------------------===
1402 dnl=== SECTION 7: Check for types and structures
1404 dnl===-----------------------------------------------------------------------===
1409 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1411 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1412 AC_CHECK_TYPES([uint64_t],,
1413 AC_CHECK_TYPES([u_int64_t],,
1414 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1416 dnl===-----------------------------------------------------------------------===
1418 dnl=== SECTION 8: Check for specific functions needed
1420 dnl===-----------------------------------------------------------------------===
1422 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1423 AC_CHECK_FUNCS([powf fmodf strtof round ])
1424 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1425 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1426 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1427 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1428 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1429 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1433 dnl Check the declaration "Secure API" on Windows environments.
1434 AC_CHECK_DECLS([strerror_s])
1436 dnl Check symbols in libgcc.a for JIT on Mingw.
1437 if test "$llvm_cv_os_type" = "MingW" ; then
1438 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1439 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1440 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1441 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1443 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1444 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1445 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1446 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1447 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1448 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1449 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1450 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1451 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1452 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1454 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1455 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1458 dnl Check Win32 API EnumerateLoadedModules.
1459 if test "$llvm_cv_os_type" = "MingW" ; then
1460 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1461 AC_COMPILE_IFELSE([[#include <windows.h>
1462 #include <imagehlp.h>
1463 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1464 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1466 AC_MSG_RESULT([yes])
1467 llvm_cv_win32_elmcb_pcstr="PCSTR"
1471 llvm_cv_win32_elmcb_pcstr="PSTR"
1473 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1476 dnl Check for variations in the Standard C++ library and STL. These macros are
1477 dnl provided by LLVM in the autoconf/m4 directory.
1481 dnl Check for mmap support.We also need to know if /dev/zero is required to
1482 dnl be opened for allocating RWX memory.
1483 dnl Make sure we aren't attempting to configure for an unknown system
1484 if test "$llvm_cv_platform_type" = "Unix" ; then
1487 AC_NEED_DEV_ZERO_FOR_MMAP
1489 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1491 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1493 if test "$ac_cv_func_mmap_file" = "no"
1495 AC_MSG_WARN([mmap() of files required but not found])
1499 dnl atomic builtins are required for threading support.
1500 AC_MSG_CHECKING(for GCC atomic builtins)
1501 dnl Since we'll be using these atomic builtins in C++ files we should test
1502 dnl the C++ compiler.
1507 volatile unsigned long val = 1;
1508 __sync_synchronize();
1509 __sync_val_compare_and_swap(&val, 1, 0);
1510 __sync_add_and_fetch(&val, 1);
1511 __sync_sub_and_fetch(&val, 1);
1517 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1519 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1520 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1522 dnl===-----------------------------------------------------------------------===
1524 dnl=== SECTION 9: Additional checks, variables, etc.
1526 dnl===-----------------------------------------------------------------------===
1528 dnl Handle 32-bit linux systems running a 64-bit kernel.
1529 dnl This has to come after section 4 because it invokes the compiler.
1530 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1532 if test "$llvm_cv_linux_mixed" = "yes"; then
1533 llvm_cv_target_arch="x86"
1538 dnl Check whether __dso_handle is present
1539 AC_CHECK_FUNCS([__dso_handle])
1541 dnl Propagate the shared library extension that the libltdl checks did to
1542 dnl the Makefiles so we can use it there too
1543 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1545 dnl Propagate the run-time library path variable that the libltdl
1546 dnl checks found to the Makefiles so we can use it there too
1547 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1549 dnl Translate the various configuration directories and other basic
1550 dnl information into substitutions that will end up in Makefile.config.in
1551 dnl that these configured values can be used by the makefiles
1552 if test "${prefix}" = "NONE" ; then
1555 eval LLVM_PREFIX="${prefix}";
1556 eval LLVM_BINDIR="${prefix}/bin";
1557 eval LLVM_LIBDIR="${prefix}/lib";
1558 eval LLVM_DATADIR="${prefix}/share/llvm";
1559 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1560 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1561 eval LLVM_INCLUDEDIR="${prefix}/include";
1562 eval LLVM_INFODIR="${prefix}/info";
1563 eval LLVM_MANDIR="${prefix}/man";
1564 LLVM_CONFIGTIME=`date`
1565 AC_SUBST(LLVM_PREFIX)
1566 AC_SUBST(LLVM_BINDIR)
1567 AC_SUBST(LLVM_LIBDIR)
1568 AC_SUBST(LLVM_DATADIR)
1569 AC_SUBST(LLVM_DOCSDIR)
1570 AC_SUBST(LLVM_ETCDIR)
1571 AC_SUBST(LLVM_INCLUDEDIR)
1572 AC_SUBST(LLVM_INFODIR)
1573 AC_SUBST(LLVM_MANDIR)
1574 AC_SUBST(LLVM_CONFIGTIME)
1576 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1577 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1578 LLVM_CONFIGTIME="(timestamp not enabled)"
1581 dnl Place the various directories into the config.h file as #defines so that we
1582 dnl can know about the installation paths within LLVM.
1583 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1584 [Installation prefix directory])
1585 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1586 [Installation directory for binary executables])
1587 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1588 [Installation directory for libraries])
1589 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1590 [Installation directory for data files])
1591 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1592 [Installation directory for documentation])
1593 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1594 [Installation directory for config files])
1595 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1596 [Installation directory for include files])
1597 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1598 [Installation directory for .info files])
1599 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1600 [Installation directory for man pages])
1601 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1602 [Time at which LLVM was configured])
1603 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1604 [Host triple LLVM will be executed on])
1605 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1606 [Target triple LLVM will generate code for by default])
1608 dnl Determine which bindings to build.
1609 if test "$BINDINGS_TO_BUILD" = auto ; then
1610 BINDINGS_TO_BUILD=""
1611 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1612 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1615 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1617 dnl This isn't really configurey, but it avoids having to repeat the list in
1619 AC_SUBST(ALL_BINDINGS,ocaml)
1621 dnl Do any work necessary to ensure that bindings have what they need.
1622 binding_prereqs_failed=0
1623 for a_binding in $BINDINGS_TO_BUILD ; do
1624 case "$a_binding" in
1626 if test "x$OCAMLC" = x ; then
1627 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1628 binding_prereqs_failed=1
1630 if test "x$OCAMLDEP" = x ; then
1631 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1632 binding_prereqs_failed=1
1634 if test "x$OCAMLOPT" = x ; then
1635 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1636 dnl ocamlopt is optional!
1638 if test "x$with_ocaml_libdir" != xauto ; then
1639 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1641 ocaml_stdlib="`"$OCAMLC" -where`"
1642 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1644 # ocaml stdlib is beneath our prefix; use stdlib
1645 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1647 # ocaml stdlib is outside our prefix; use libdir/ocaml
1648 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1654 if test "$binding_prereqs_failed" = 1 ; then
1655 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1658 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1659 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1661 dnl Determine linker rpath flag
1662 if test "$llvm_cv_link_use_r" = "yes" ; then
1669 dnl Determine linker rdynamic flag
1670 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1671 RDYNAMIC="-Wl,-export-dynamic"
1677 dnl===-----------------------------------------------------------------------===
1679 dnl=== SECTION 10: Specify the output files and generate it
1681 dnl===-----------------------------------------------------------------------===
1683 dnl Configure header files
1684 dnl WARNING: dnl If you add or remove any of the following config headers, then
1685 dnl you MUST also update Makefile so that the variable FilesToConfig
1686 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1687 dnl files can be updated automatically when their *.in sources change.
1688 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1689 AH_TOP([#ifndef CONFIG_H
1693 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1694 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1695 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1696 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1697 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1699 dnl Configure the makefile's configuration data
1700 AC_CONFIG_FILES([Makefile.config])
1702 dnl Configure the RPM spec file for LLVM
1703 AC_CONFIG_FILES([llvm.spec])
1705 dnl Configure doxygen's configuration file
1706 AC_CONFIG_FILES([docs/doxygen.cfg])
1708 dnl Configure clang, if present
1709 if test "${clang_src_root}" = ""; then
1710 clang_src_root="$srcdir/tools/clang"
1712 if test -f ${clang_src_root}/README.txt; then
1713 dnl Use variables to stay under 80 columns.
1714 configh="include/clang/Config/config.h"
1715 doxy="docs/doxygen.cfg"
1716 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1717 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1720 dnl OCaml findlib META file
1721 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1723 dnl Do special configuration of Makefiles
1724 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1725 AC_CONFIG_MAKEFILE(Makefile)
1726 AC_CONFIG_MAKEFILE(Makefile.common)
1727 AC_CONFIG_MAKEFILE(examples/Makefile)
1728 AC_CONFIG_MAKEFILE(lib/Makefile)
1729 AC_CONFIG_MAKEFILE(runtime/Makefile)
1730 AC_CONFIG_MAKEFILE(test/Makefile)
1731 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1732 AC_CONFIG_MAKEFILE(unittests/Makefile)
1733 AC_CONFIG_MAKEFILE(tools/Makefile)
1734 AC_CONFIG_MAKEFILE(utils/Makefile)
1735 AC_CONFIG_MAKEFILE(projects/Makefile)
1736 AC_CONFIG_MAKEFILE(bindings/Makefile)
1737 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1739 dnl Finally, crank out the output