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]],[[3.1svn]],[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) 2003-2011 University of Illinois at Urbana-Champaign."])
39 AC_COPYRIGHT([Copyright (c) 2003-2011 University of Illinois at Urbana-Champaign.])
41 dnl Indicate that we require autoconf 2.60 or later.
44 dnl Verify that the source directory is valid. This makes sure that we are
45 dnl configuring LLVM and not some other package (it validates --srcdir argument)
46 AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp])
48 dnl Place all of the extra autoconf files into the config subdirectory. Tell
49 dnl various tools where the m4 autoconf macros are.
50 AC_CONFIG_AUX_DIR([autoconf])
52 dnl Quit if the source directory has already been configured.
53 dnl NOTE: This relies upon undocumented autoconf behavior.
54 if test ${srcdir} != "." ; then
55 if test -f ${srcdir}/include/llvm/Config/config.h ; then
56 AC_MSG_ERROR([Already configured in ${srcdir}])
60 dnl We need to check for the compiler up here to avoid anything else
61 dnl starting with a different one.
62 AC_PROG_CC(clang llvm-gcc gcc)
63 AC_PROG_CXX(clang++ llvm-g++ g++)
66 dnl Configure all of the projects present in our source tree. While we could
67 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
68 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
69 dnl Instead we match on the known projects.
72 dnl One tricky part of doing this is that some projects depend upon other
73 dnl projects. For example, several projects rely upon the LLVM test suite.
74 dnl We want to configure those projects first so that their object trees are
75 dnl created before running the configure scripts of projects that depend upon
79 dnl Several projects use llvm-gcc, so configure that first
80 if test -d ${srcdir}/projects/llvm-gcc ; then
81 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
84 dnl Several projects use the LLVM test suite, so configure it next.
85 if test -d ${srcdir}/projects/test-suite ; then
86 AC_CONFIG_SUBDIRS([projects/test-suite])
89 dnl llvm-test is the old name of the test-suite, kept here for backwards
91 if test -d ${srcdir}/projects/llvm-test ; then
92 AC_CONFIG_SUBDIRS([projects/llvm-test])
95 dnl Some projects use poolalloc; configure that next
96 if test -d ${srcdir}/projects/poolalloc ; then
97 AC_CONFIG_SUBDIRS([projects/poolalloc])
100 if test -d ${srcdir}/projects/llvm-poolalloc ; then
101 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
104 dnl Check for all other projects
105 for i in `ls ${srcdir}/projects`
107 if test -d ${srcdir}/projects/${i} ; then
109 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
110 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
111 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
112 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
113 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
114 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
115 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
116 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
123 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
129 dnl Disable the build of polly, even if it is checked out into tools/polly.
131 AS_HELP_STRING([--enable-polly],
132 [Use polly if available (default is YES)]),,
135 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
136 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
137 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
138 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
142 dnl Check if polly is checked out into tools/polly and configure it if
144 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
145 AC_SUBST(LLVM_HAS_POLLY,1)
146 AC_CONFIG_SUBDIRS([tools/polly])
149 dnl===-----------------------------------------------------------------------===
151 dnl=== SECTION 2: Architecture, target, and host checks
153 dnl===-----------------------------------------------------------------------===
155 dnl Check the target for which we're compiling and the host that will do the
156 dnl compilations. This will tell us which LLVM compiler will be used for
157 dnl compiling SSA into object code. This needs to be done early because
158 dnl following tests depend on it.
161 dnl Determine the platform type and cache its value. This helps us configure
162 dnl the System library to the correct build platform.
163 AC_CACHE_CHECK([type of operating system we're going to host on],
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="AIX"
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="IRIX"
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="Cygwin"
180 llvm_cv_platform_type="Unix" ;;
182 llvm_cv_link_all_option="-Wl,-all_load"
183 llvm_cv_no_link_all_option="-Wl,-noall_load"
184 llvm_cv_os_type="Darwin"
185 llvm_cv_platform_type="Unix" ;;
187 llvm_cv_link_all_option="-Wl,-all_load"
188 llvm_cv_no_link_all_option="-Wl,-noall_load"
189 llvm_cv_os_type="Minix"
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="FreeBSD"
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="OpenBSD"
200 llvm_cv_platform_type="Unix" ;;
202 llvm_cv_link_all_option="-Wl,--whole-archive"
203 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
204 llvm_cv_os_type="NetBSD"
205 llvm_cv_platform_type="Unix" ;;
207 llvm_cv_link_all_option="-Wl,--whole-archive"
208 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
209 llvm_cv_os_type="DragonFly"
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="HP-UX"
215 llvm_cv_platform_type="Unix" ;;
217 llvm_cv_link_all_option="-Wl,--whole-archive"
218 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
219 llvm_cv_os_type="Interix"
220 llvm_cv_platform_type="Unix" ;;
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="Linux"
225 llvm_cv_platform_type="Unix" ;;
227 llvm_cv_link_all_option="-Wl,-z,allextract"
228 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
229 llvm_cv_os_type="SunOS"
230 llvm_cv_platform_type="Unix" ;;
232 llvm_cv_link_all_option="-Wl,-z,allextract"
233 llvm_cv_link_all_option="-Wl,-z,defaultextract"
234 llvm_cv_os_type="AuroraUX"
235 llvm_cv_platform_type="Unix" ;;
237 llvm_cv_link_all_option="-Wl,--whole-archive"
238 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
239 llvm_cv_os_type="Win32"
240 llvm_cv_platform_type="Win32" ;;
242 llvm_cv_link_all_option="-Wl,--whole-archive"
243 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
244 llvm_cv_os_type="MingW"
245 llvm_cv_platform_type="Win32" ;;
247 llvm_cv_link_all_option="-Wl,--whole-archive"
248 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
249 llvm_cv_os_type="Haiku"
250 llvm_cv_platform_type="Unix" ;;
252 llvm_cv_link_all_option="-Wl,--whole-archive"
253 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
254 llvm_cv_os_type="Freestanding"
255 llvm_cv_platform_type="Unix" ;;
257 llvm_cv_link_all_option="-Wl,--whole-archive"
258 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
259 llvm_cv_os_type="Freestanding"
260 llvm_cv_platform_type="Unix" ;;
262 llvm_cv_link_all_option=""
263 llvm_cv_no_link_all_option=""
264 llvm_cv_os_type="Unknown"
265 llvm_cv_platform_type="Unknown" ;;
268 AC_CACHE_CHECK([type of operating system we're going to target],
269 [llvm_cv_target_os_type],
272 llvm_cv_target_os_type="AIX" ;;
274 llvm_cv_target_os_type="IRIX" ;;
276 llvm_cv_target_os_type="Cygwin" ;;
278 llvm_cv_target_os_type="Darwin" ;;
280 llvm_cv_target_os_type="Minix" ;;
282 llvm_cv_target_os_type="FreeBSD" ;;
284 llvm_cv_target_os_type="OpenBSD" ;;
286 llvm_cv_target_os_type="NetBSD" ;;
288 llvm_cv_target_os_type="DragonFly" ;;
290 llvm_cv_target_os_type="HP-UX" ;;
292 llvm_cv_target_os_type="Interix" ;;
294 llvm_cv_target_os_type="Linux" ;;
296 llvm_cv_target_os_type="SunOS" ;;
298 llvm_cv_target_os_type="AuroraUX" ;;
300 llvm_cv_target_os_type="Win32" ;;
302 llvm_cv_target_os_type="MingW" ;;
304 llvm_cv_target_os_type="Haiku" ;;
306 llvm_cv_target_os_type="RTEMS" ;;
308 llvm_cv_target_os_type="NativeClient" ;;
310 llvm_cv_target_os_type="Freestanding" ;;
312 llvm_cv_target_os_type="Unknown" ;;
315 dnl Make sure we aren't attempting to configure for an unknown system
316 if test "$llvm_cv_os_type" = "Unknown" ; then
317 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
320 dnl Set the "OS" Makefile variable based on the platform type so the
321 dnl makefile can configure itself to specific build hosts
322 AC_SUBST(OS,$llvm_cv_os_type)
323 AC_SUBST(HOST_OS,$llvm_cv_os_type)
324 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
326 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
327 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
328 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
330 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
331 dnl This is used by lib/Support to determine the basic kind of implementation
333 case $llvm_cv_platform_type in
335 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
336 AC_SUBST(LLVM_ON_UNIX,[1])
337 AC_SUBST(LLVM_ON_WIN32,[0])
340 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
341 AC_SUBST(LLVM_ON_UNIX,[0])
342 AC_SUBST(LLVM_ON_WIN32,[1])
346 dnl Determine what our target architecture is and configure accordingly.
347 dnl This will allow Makefiles to make a distinction between the hardware and
349 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
351 i?86-*) llvm_cv_target_arch="x86" ;;
352 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
353 sparc*-*) llvm_cv_target_arch="Sparc" ;;
354 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
355 alpha*-*) llvm_cv_target_arch="Alpha" ;;
356 arm*-*) llvm_cv_target_arch="ARM" ;;
357 mips-*) llvm_cv_target_arch="Mips" ;;
358 xcore-*) llvm_cv_target_arch="XCore" ;;
359 msp430-*) llvm_cv_target_arch="MSP430" ;;
360 bfin-*) llvm_cv_target_arch="Blackfin" ;;
361 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
362 ptx-*) llvm_cv_target_arch="PTX" ;;
363 *) llvm_cv_target_arch="Unknown" ;;
366 if test "$llvm_cv_target_arch" = "Unknown" ; then
367 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
370 # Determine the LLVM native architecture for the target
371 case "$llvm_cv_target_arch" in
372 x86) LLVM_NATIVE_ARCH="X86" ;;
373 x86_64) LLVM_NATIVE_ARCH="X86" ;;
374 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
377 dnl Define a substitution, ARCH, for the target architecture
378 AC_SUBST(ARCH,$llvm_cv_target_arch)
380 dnl Check for the endianness of the target
381 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
383 dnl Check for build platform executable suffix if we're crosscompiling
384 if test "$cross_compiling" = yes; then
385 AC_SUBST(LLVM_CROSS_COMPILING, [1])
387 ac_build_prefix=${build_alias}-
388 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
389 if test -z "$BUILD_CXX"; then
390 AC_CHECK_PROG(BUILD_CXX, g++, g++)
391 if test -z "$BUILD_CXX"; then
392 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
396 AC_SUBST(LLVM_CROSS_COMPILING, [0])
399 dnl Check to see if there's a .svn or .git directory indicating that this
400 dnl build is being done from a checkout. This sets up several defaults for
401 dnl the command line switches. When we build with a checkout directory,
402 dnl we get a debug with assertions turned on. Without, we assume a source
403 dnl release and we get an optimized build without assertions.
404 dnl See --enable-optimized and --enable-assertions below
405 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
408 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
414 dnl===-----------------------------------------------------------------------===
416 dnl=== SECTION 3: Command line arguments for the configure script.
418 dnl===-----------------------------------------------------------------------===
420 dnl --enable-optimized : check whether they want to do an optimized build:
421 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
422 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
423 if test ${enableval} = "no" ; then
424 AC_SUBST(ENABLE_OPTIMIZED,[[]])
426 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
429 dnl --enable-profiling : check whether they want to do a profile build:
430 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
431 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
432 if test ${enableval} = "no" ; then
433 AC_SUBST(ENABLE_PROFILING,[[]])
435 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
438 dnl --enable-assertions : check whether they want to turn on assertions or not:
439 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
440 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
441 if test ${enableval} = "yes" ; then
442 AC_SUBST(DISABLE_ASSERTIONS,[[]])
444 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
447 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
448 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
449 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
450 if test ${enableval} = "yes" ; then
451 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
452 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
454 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
455 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
458 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
459 AC_ARG_ENABLE(debug-runtime,
460 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
461 if test ${enableval} = "no" ; then
462 AC_SUBST(DEBUG_RUNTIME,[[]])
464 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
467 dnl --enable-debug-symbols : should even optimized compiler libraries
468 dnl have debug symbols?
469 AC_ARG_ENABLE(debug-symbols,
470 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)
471 if test ${enableval} = "no" ; then
472 AC_SUBST(DEBUG_SYMBOLS,[[]])
474 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
477 dnl --enable-jit: check whether they want to enable the jit
479 AS_HELP_STRING(--enable-jit,
480 [Enable Just In Time Compiling (default is YES)]),,
482 if test ${enableval} = "no"
486 case "$llvm_cv_target_arch" in
487 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
488 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
489 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
490 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
491 Alpha) AC_SUBST(TARGET_HAS_JIT,0) ;;
492 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
493 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
494 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
495 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
496 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
497 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
498 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
499 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
503 dnl Allow enablement of building and installing docs
505 AS_HELP_STRING([--enable-docs],
506 [Build documents (default is YES)]),,
509 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
510 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
511 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
512 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
515 dnl Allow enablement of doxygen generated documentation
516 AC_ARG_ENABLE(doxygen,
517 AS_HELP_STRING([--enable-doxygen],
518 [Build doxygen documentation (default is NO)]),,
521 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
522 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
523 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
524 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
527 dnl Allow disablement of threads
528 AC_ARG_ENABLE(threads,
529 AS_HELP_STRING([--enable-threads],
530 [Use threads if available (default is YES)]),,
533 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
534 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
535 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
536 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
538 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
540 dnl Allow disablement of pthread.h
541 AC_ARG_ENABLE(pthreads,
542 AS_HELP_STRING([--enable-pthreads],
543 [Use pthreads if available (default is YES)]),,
546 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
547 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
548 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
549 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
552 dnl Allow building without position independent code
554 AS_HELP_STRING([--enable-pic],
555 [Build LLVM with Position Independent Code (default is YES)]),,
558 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
559 no) AC_SUBST(ENABLE_PIC,[0]) ;;
560 default) AC_SUBST(ENABLE_PIC,[1]) ;;
561 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
563 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
564 [Define if position independent code is enabled])
566 dnl Allow building a shared library and linking tools against it.
567 AC_ARG_ENABLE(shared,
568 AS_HELP_STRING([--enable-shared],
569 [Build a shared library and link tools against it (default is NO)]),,
572 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
573 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
574 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
575 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
578 dnl Allow libstdc++ is embedded in LLVM.dll.
579 AC_ARG_ENABLE(embed-stdcxx,
580 AS_HELP_STRING([--enable-embed-stdcxx],
581 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
584 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
585 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
586 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
587 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
590 dnl Enable embedding timestamp information into build.
591 AC_ARG_ENABLE(timestamps,
592 AS_HELP_STRING([--enable-timestamps],
593 [Enable embedding timestamp information in build (default is YES)]),,
596 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
597 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
598 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
599 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
601 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
602 [Define if timestamp information (e.g., __DATE___) is allowed])
604 dnl Allow specific targets to be specified for building (or not)
606 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
607 [Build specific host targets: all or target1,target2,... Valid targets are:
608 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu,
609 xcore, msp430, blackfin, ptx, cbe, and cpp (default=all)]),,
611 if test "$enableval" = host-only ; then
615 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU XCore MSP430 Blackfin CBackend CppBackend MBlaze PTX" ;;
616 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
618 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
619 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
620 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
621 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
622 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
623 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
624 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
625 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
626 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
627 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
628 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
629 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
630 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
631 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
632 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
633 host) case "$llvm_cv_target_arch" in
634 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
635 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
636 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
637 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
638 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
639 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
640 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
641 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
642 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
643 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
644 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
645 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
646 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
647 *) AC_MSG_ERROR([Can not set target to build]) ;;
649 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
654 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
656 # Determine whether we are building LLVM support for the native architecture.
657 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
658 for a_target in $TARGETS_TO_BUILD; do
659 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
660 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
661 [LLVM architecture name for the native architecture, if available])
662 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
663 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
664 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
665 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
666 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
667 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
669 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
670 [LLVM name for the native Target init function, if available])
671 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
672 [LLVM name for the native TargetInfo init function, if available])
673 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
674 [LLVM name for the native target MC init function, if available])
675 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
676 [LLVM name for the native AsmPrinter init function, if available])
677 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
678 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
679 [LLVM name for the native AsmParser init function, if available])
684 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
685 # target feature def files.
687 LLVM_ENUM_ASM_PRINTERS=""
688 LLVM_ENUM_ASM_PARSERS=""
689 LLVM_ENUM_DISASSEMBLERS=""
690 for target_to_build in $TARGETS_TO_BUILD; do
691 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
692 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
693 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
695 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
696 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
698 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
699 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
702 AC_SUBST(LLVM_ENUM_TARGETS)
703 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
704 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
705 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
707 dnl Prevent the CBackend from using printf("%a") for floating point so older
708 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
709 dnl can still compile the CBE's output
710 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
711 [Enable C Backend output with hex floating point via %a (default is YES)]),,
714 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
715 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
716 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
717 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
719 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
720 [Define if CBE is enabled for printf %a output])
722 dnl Override the option to use for optimized builds.
723 AC_ARG_WITH(optimize-option,
724 AS_HELP_STRING([--with-optimize-option],
725 [Select the compiler options to use for optimized builds]),,
727 AC_MSG_CHECKING([optimization flags])
730 case "$llvm_cv_os_type" in
731 FreeBSD) optimize_option=-O2 ;;
732 MingW) optimize_option=-O2 ;;
733 *) optimize_option=-O3 ;;
735 *) optimize_option="$withval" ;;
737 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
738 AC_MSG_RESULT([$optimize_option])
740 dnl Specify extra build options
741 AC_ARG_WITH(extra-options,
742 AS_HELP_STRING([--with-extra-options],
743 [Specify additional options to compile LLVM with]),,
746 default) EXTRA_OPTIONS= ;;
747 *) EXTRA_OPTIONS=$withval ;;
749 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
751 dnl Specify extra linker build options
752 AC_ARG_WITH(extra-ld-options,
753 AS_HELP_STRING([--with-extra-ld-options],
754 [Specify additional options to link LLVM with]),,
757 default) EXTRA_LD_OPTIONS= ;;
758 *) EXTRA_LD_OPTIONS=$withval ;;
760 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
762 dnl Allow specific bindings to be specified for building (or not)
763 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
764 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
768 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
769 all ) BINDINGS_TO_BUILD="ocaml" ;;
770 none | no) BINDINGS_TO_BUILD="" ;;
771 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
773 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
774 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
780 dnl Allow the ocaml libdir to be overridden. This could go in a configure
781 dnl script for bindings/ocaml/configure, except that its auto value depends on
782 dnl OCAMLC, which is found here to support tests.
783 AC_ARG_WITH([ocaml-libdir],
784 [AS_HELP_STRING([--with-ocaml-libdir],
785 [Specify install location for ocaml bindings (default is stdlib)])],
789 auto) with_ocaml_libdir="$withval" ;;
790 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
791 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
794 AC_ARG_WITH(clang-srcdir,
795 AS_HELP_STRING([--with-clang-srcdir],
796 [Directory to the out-of-tree Clang source]),,
799 -) clang_src_root="" ;;
800 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
801 *) clang_src_root="$ac_pwd/$withval" ;;
803 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
805 AC_ARG_WITH(clang-resource-dir,
806 AS_HELP_STRING([--with-clang-resource-dir],
807 [Relative directory from the Clang binary for resource files]),,
809 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
810 [Relative directory for resource files])
812 AC_ARG_WITH(c-include-dirs,
813 AS_HELP_STRING([--with-c-include-dirs],
814 [Colon separated list of directories clang will search for headers]),,
816 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
817 [Directories clang will search for headers])
819 AC_ARG_WITH(cxx-include-root,
820 AS_HELP_STRING([--with-cxx-include-root],
821 [Directory with the libstdc++ headers.]),,
823 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
824 [Directory with the libstdc++ headers.])
826 AC_ARG_WITH(cxx-include-arch,
827 AS_HELP_STRING([--with-cxx-include-arch],
828 [Architecture of the libstdc++ headers.]),,
830 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
831 [Arch the libstdc++ headers.])
833 AC_ARG_WITH(cxx-include-32bit-dir,
834 AS_HELP_STRING([--with-cxx-include-32bit-dir],
835 [32 bit multilib dir.]),,
837 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
838 [32 bit multilib directory.])
840 AC_ARG_WITH(cxx-include-64bit-dir,
841 AS_HELP_STRING([--with-cxx-include-64bit-dir],
842 [64 bit multilib directory.]),,
844 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
845 [64 bit multilib directory.])
847 dnl Allow linking of LLVM with GPLv3 binutils code.
848 AC_ARG_WITH(binutils-include,
849 AS_HELP_STRING([--with-binutils-include],
850 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
853 default) WITH_BINUTILS_INCDIR=default ;;
854 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
855 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
857 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
858 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
859 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
860 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
861 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
865 dnl Specify the URL where bug reports should be submitted.
866 AC_ARG_WITH(bug-report-url,
867 AS_HELP_STRING([--with-bug-report-url],
868 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
869 withval="http://llvm.org/bugs/")
870 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
873 dnl --enable-libffi : check whether the user wants to turn off libffi:
874 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
875 --enable-libffi,[Check for the presence of libffi (default is NO)]),
876 [case "$enableval" in
877 yes) llvm_cv_enable_libffi="yes" ;;
878 no) llvm_cv_enable_libffi="no" ;;
879 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
881 llvm_cv_enable_libffi=no)
883 dnl===-----------------------------------------------------------------------===
885 dnl=== SECTION 4: Check for programs we need and that they are the right version
887 dnl===-----------------------------------------------------------------------===
892 dnl Check for the tools that the makefiles require
895 AC_PATH_PROG(CMP, [cmp], [cmp])
896 AC_PATH_PROG(CP, [cp], [cp])
897 AC_PATH_PROG(DATE, [date], [date])
898 AC_PATH_PROG(FIND, [find], [find])
899 AC_PATH_PROG(GREP, [grep], [grep])
900 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
901 AC_PATH_PROG(MV, [mv], [mv])
903 AC_CHECK_TOOL(AR, ar, false)
904 AC_PATH_PROG(RM, [rm], [rm])
905 AC_PATH_PROG(SED, [sed], [sed])
906 AC_PATH_PROG(TAR, [tar], [gtar])
907 AC_PATH_PROG(BINPWD,[pwd], [pwd])
909 dnl Looking for misc. graph plotting software
910 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
911 if test "$GRAPHVIZ" != "echo Graphviz" ; then
912 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
913 dnl If we're targeting for mingw we should emit windows paths, not msys
914 if test "$llvm_cv_os_type" = "MingW" ; then
915 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
917 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
918 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
920 AC_PATH_PROG(DOT, [dot], [echo dot])
921 if test "$DOT" != "echo dot" ; then
922 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
923 dnl If we're targeting for mingw we should emit windows paths, not msys
924 if test "$llvm_cv_os_type" = "MingW" ; then
925 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
927 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
928 [Define to path to dot program if found or 'echo dot' otherwise])
930 AC_PATH_PROG(FDP, [fdp], [echo fdp])
931 if test "$FDP" != "echo fdp" ; then
932 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
933 dnl If we're targeting for mingw we should emit windows paths, not msys
934 if test "$llvm_cv_os_type" = "MingW" ; then
935 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
937 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
938 [Define to path to fdp program if found or 'echo fdp' otherwise])
940 AC_PATH_PROG(NEATO, [neato], [echo neato])
941 if test "$NEATO" != "echo neato" ; then
942 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
943 dnl If we're targeting for mingw we should emit windows paths, not msys
944 if test "$llvm_cv_os_type" = "MingW" ; then
945 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
947 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
948 [Define to path to neato program if found or 'echo neato' otherwise])
950 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
951 if test "$TWOPI" != "echo twopi" ; then
952 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
953 dnl If we're targeting for mingw we should emit windows paths, not msys
954 if test "$llvm_cv_os_type" = "MingW" ; then
955 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
957 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
958 [Define to path to twopi program if found or 'echo twopi' otherwise])
960 AC_PATH_PROG(CIRCO, [circo], [echo circo])
961 if test "$CIRCO" != "echo circo" ; then
962 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
963 dnl If we're targeting for mingw we should emit windows paths, not msys
964 if test "$llvm_cv_os_type" = "MingW" ; then
965 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
967 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
968 [Define to path to circo program if found or 'echo circo' otherwise])
970 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
971 if test "$GV" != "echo gv" ; then
972 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
973 dnl If we're targeting for mingw we should emit windows paths, not msys
974 if test "$llvm_cv_os_type" = "MingW" ; then
975 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
977 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
978 [Define to path to gv program if found or 'echo gv' otherwise])
980 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
981 if test "$DOTTY" != "echo dotty" ; then
982 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
983 dnl If we're targeting for mingw we should emit windows paths, not msys
984 if test "$llvm_cv_os_type" = "MingW" ; then
985 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
987 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
988 [Define to path to dotty program if found or 'echo dotty' otherwise])
990 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
991 if test "$XDOT_PY" != "echo xdot.py" ; then
992 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
993 dnl If we're targeting for mingw we should emit windows paths, not msys
994 if test "$llvm_cv_os_type" = "MingW" ; then
995 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
997 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
998 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1001 dnl Look for a sufficiently recent version of Perl.
1002 LLVM_PROG_PERL([5.006])
1004 if test x"$PERL" = xnone; then
1005 AC_SUBST(HAVE_PERL,0)
1006 AC_MSG_ERROR([perl is required but was not found, please install it])
1008 AC_SUBST(HAVE_PERL,1)
1011 dnl Find the install program
1013 dnl Prepend src dir to install path dir if it's a relative path
1014 dnl This is a hack for installs that take place in something other
1015 dnl than the top level.
1017 [[\\/$]]* | ?:[[\\/]]* ) ;;
1018 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1021 dnl Checks for documentation and testing tools that we can do without. If these
1022 dnl are not found then they are set to "true" which always succeeds but does
1023 dnl nothing. This just lets the build output show that we could have done
1024 dnl something if the tool was available.
1025 AC_PATH_PROG(BZIP2, [bzip2])
1026 AC_PATH_PROG(CAT, [cat])
1027 AC_PATH_PROG(DOXYGEN, [doxygen])
1028 AC_PATH_PROG(GROFF, [groff])
1029 AC_PATH_PROG(GZIPBIN, [gzip])
1030 AC_PATH_PROG(POD2HTML, [pod2html])
1031 AC_PATH_PROG(POD2MAN, [pod2man])
1032 AC_PATH_PROG(PDFROFF, [pdfroff])
1033 AC_PATH_PROG(RUNTEST, [runtest])
1035 AC_PATH_PROG(ZIP, [zip])
1036 AC_PATH_PROGS(OCAMLC, [ocamlc])
1037 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1038 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1039 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1040 AC_PATH_PROGS(GAS, [gas as])
1042 dnl Get the version of the linker in use.
1045 dnl Determine whether the linker supports the -R option.
1048 dnl Determine whether the linker supports the -export-dynamic option.
1049 AC_LINK_EXPORT_DYNAMIC
1051 dnl Determine whether the linker supports the --version-script option.
1052 AC_LINK_VERSION_SCRIPT
1054 dnl Check for libtool and the library that has dlopen function (which must come
1055 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1060 AC_MSG_CHECKING([tool compatibility])
1062 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1063 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1064 dnl to support those options.
1065 dnl "icc" emits gcc signatures
1066 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1078 if test "$GCC" != "yes" && test "$ICC" != "yes"
1080 AC_MSG_ERROR([gcc|icc required but not found])
1083 dnl Ensure that compilation tools are compatible with GCC extensions
1084 if test "$GXX" != "yes" && test "$IXX" != "yes"
1086 AC_MSG_ERROR([g++|clang++|icc required but not found])
1089 dnl Verify that GCC is version 3.0 or higher
1090 if test "$GCC" = "yes"
1092 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1093 #error Unsupported GCC version
1095 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1098 dnl Check for GNU Make. We use its extensions, so don't build without it
1099 if test -z "$llvm_cv_gnu_make_command"
1101 AC_MSG_ERROR([GNU Make required but not found])
1104 dnl Tool compatibility is okay if we make it here.
1107 dnl Check optional compiler flags.
1108 AC_MSG_CHECKING([optional compiler flags])
1109 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1110 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1111 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1113 dnl===-----------------------------------------------------------------------===
1115 dnl=== SECTION 5: Check for libraries
1117 dnl===-----------------------------------------------------------------------===
1120 if test "$llvm_cv_os_type" = "MingW" ; then
1121 AC_CHECK_LIB(imagehlp, main)
1122 AC_CHECK_LIB(psapi, main)
1125 dnl dlopen() is required for plugin support.
1126 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1127 [Define if dlopen() is available on this platform.]),
1128 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1130 dnl libffi is optional; used to call external functions from the interpreter
1131 if test "$llvm_cv_enable_libffi" = "yes" ; then
1132 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1133 [Define if libffi is available on this platform.]),
1134 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1137 dnl mallinfo is optional; the code can compile (minus features) without it
1138 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1139 [Define if mallinfo() is available on this platform.]))
1141 dnl pthread locking functions are optional - but llvm will not be thread-safe
1143 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1144 AC_CHECK_LIB(pthread, pthread_mutex_init)
1145 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1146 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1147 [Have pthread_mutex_lock]))
1148 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1149 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1150 [Have pthread_rwlock_init]))
1151 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1152 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1153 [Have pthread_getspecific]))
1156 dnl Allow extra x86-disassembler library
1158 AS_HELP_STRING([--with-udis86=<path>],
1159 [Use udis86 external x86 disassembler library]),
1161 AC_SUBST(USE_UDIS86, [1])
1164 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1166 AC_CHECK_LIB(udis86, ud_init, [], [
1167 echo "Error! You need to have libudis86 around."
1171 AC_SUBST(USE_UDIS86, [0]))
1172 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1173 [Define if use udis86 library])
1175 dnl Allow OProfile support for JIT output.
1176 AC_ARG_WITH(oprofile,
1177 AS_HELP_STRING([--with-oprofile=<prefix>],
1178 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1180 AC_SUBST(USE_OPROFILE, [1])
1182 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1184 AC_SUBST(USE_OPROFILE, [0]) ;;
1185 *) llvm_cv_oppath="${withval}/lib/oprofile"
1186 CPPFLAGS="-I${withval}/include";;
1188 if test -n "$llvm_cv_oppath" ; then
1189 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1190 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1191 dnl libbfd is not included properly in libopagent in some Debian
1192 dnl versions. If libbfd isn't found at all, we assume opagent works
1194 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1195 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1196 echo "Error! You need to have libopagent around."
1199 AC_CHECK_HEADER([opagent.h], [], [
1200 echo "Error! You need to have opagent.h around."
1206 AC_SUBST(USE_OPROFILE, [0])
1208 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1209 [Define if we have the oprofile JIT-support library])
1211 dnl===-----------------------------------------------------------------------===
1213 dnl=== SECTION 6: Check for header files
1215 dnl===-----------------------------------------------------------------------===
1217 dnl First, use autoconf provided macros for specific headers that we need
1218 dnl We don't check for ancient stuff or things that are guaranteed to be there
1219 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1220 dnl Generally we're looking for POSIX headers.
1222 AC_HEADER_MMAP_ANONYMOUS
1227 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1228 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1229 AC_CHECK_HEADERS([utime.h windows.h])
1230 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1231 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1232 AC_CHECK_HEADERS([valgrind/valgrind.h])
1233 AC_CHECK_HEADERS([fenv.h])
1234 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1235 AC_CHECK_HEADERS(pthread.h,
1236 AC_SUBST(HAVE_PTHREAD, 1),
1237 AC_SUBST(HAVE_PTHREAD, 0))
1239 AC_SUBST(HAVE_PTHREAD, 0)
1242 dnl Try to find ffi.h.
1243 if test "$llvm_cv_enable_libffi" = "yes" ; then
1244 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1247 dnl Try to find Darwin specific crash reporting libraries.
1248 AC_CHECK_HEADERS([CrashReporterClient.h])
1250 dnl Try to find Darwin specific crash reporting global.
1251 AC_MSG_CHECKING([__crashreporter_info__])
1254 [[extern const char *__crashreporter_info__;
1256 __crashreporter_info__ = "test";
1261 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1263 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1264 Define if __crashreporter_info__ exists.))
1266 dnl===-----------------------------------------------------------------------===
1268 dnl=== SECTION 7: Check for types and structures
1270 dnl===-----------------------------------------------------------------------===
1275 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1277 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1278 AC_CHECK_TYPES([uint64_t],,
1279 AC_CHECK_TYPES([u_int64_t],,
1280 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1282 dnl===-----------------------------------------------------------------------===
1284 dnl=== SECTION 8: Check for specific functions needed
1286 dnl===-----------------------------------------------------------------------===
1288 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1289 AC_CHECK_FUNCS([powf fmodf strtof round ])
1290 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1291 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1292 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1293 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1294 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1295 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1299 dnl Check the declaration "Secure API" on Windows environments.
1300 AC_CHECK_DECLS([strerror_s])
1302 dnl Check symbols in libgcc.a for JIT on Mingw.
1303 if test "$llvm_cv_os_type" = "MingW" ; then
1304 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1305 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1306 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1307 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1309 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1310 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1311 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1312 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1313 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1314 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1315 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1316 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1317 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1318 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1320 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1321 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1324 dnl Check Win32 API EnumerateLoadedModules.
1325 if test "$llvm_cv_os_type" = "MingW" ; then
1326 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1327 AC_COMPILE_IFELSE([[#include <windows.h>
1328 #include <imagehlp.h>
1329 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1330 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1332 AC_MSG_RESULT([yes])
1333 llvm_cv_win32_elmcb_pcstr="PCSTR"
1337 llvm_cv_win32_elmcb_pcstr="PSTR"
1339 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1342 dnl Check for variations in the Standard C++ library and STL. These macros are
1343 dnl provided by LLVM in the autoconf/m4 directory.
1347 dnl Check for mmap support.We also need to know if /dev/zero is required to
1348 dnl be opened for allocating RWX memory.
1349 dnl Make sure we aren't attempting to configure for an unknown system
1350 if test "$llvm_cv_platform_type" = "Unix" ; then
1353 AC_NEED_DEV_ZERO_FOR_MMAP
1355 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1357 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1359 if test "$ac_cv_func_mmap_file" = "no"
1361 AC_MSG_WARN([mmap() of files required but not found])
1365 dnl atomic builtins are required for threading support.
1366 AC_MSG_CHECKING(for GCC atomic builtins)
1367 dnl Since we'll be using these atomic builtins in C++ files we should test
1368 dnl the C++ compiler.
1373 volatile unsigned long val = 1;
1374 __sync_synchronize();
1375 __sync_val_compare_and_swap(&val, 1, 0);
1376 __sync_add_and_fetch(&val, 1);
1377 __sync_sub_and_fetch(&val, 1);
1383 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1385 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1386 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1388 dnl===-----------------------------------------------------------------------===
1390 dnl=== SECTION 9: Additional checks, variables, etc.
1392 dnl===-----------------------------------------------------------------------===
1394 dnl Handle 32-bit linux systems running a 64-bit kernel.
1395 dnl This has to come after section 4 because it invokes the compiler.
1396 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1398 if test "$llvm_cv_linux_mixed" = "yes"; then
1399 llvm_cv_target_arch="x86"
1404 dnl Check whether __dso_handle is present
1405 AC_CHECK_FUNCS([__dso_handle])
1407 dnl Propagate the shared library extension that the libltdl checks did to
1408 dnl the Makefiles so we can use it there too
1409 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1411 dnl Propagate the run-time library path variable that the libltdl
1412 dnl checks found to the Makefiles so we can use it there too
1413 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1415 # Translate the various configuration directories and other basic
1416 # information into substitutions that will end up in Makefile.config.in
1417 # that these configured values can be used by the makefiles
1418 if test "${prefix}" = "NONE" ; then
1421 eval LLVM_PREFIX="${prefix}";
1422 eval LLVM_BINDIR="${prefix}/bin";
1423 eval LLVM_LIBDIR="${prefix}/lib";
1424 eval LLVM_DATADIR="${prefix}/share/llvm";
1425 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1426 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1427 eval LLVM_INCLUDEDIR="${prefix}/include";
1428 eval LLVM_INFODIR="${prefix}/info";
1429 eval LLVM_MANDIR="${prefix}/man";
1430 LLVM_CONFIGTIME=`date`
1431 AC_SUBST(LLVM_PREFIX)
1432 AC_SUBST(LLVM_BINDIR)
1433 AC_SUBST(LLVM_LIBDIR)
1434 AC_SUBST(LLVM_DATADIR)
1435 AC_SUBST(LLVM_DOCSDIR)
1436 AC_SUBST(LLVM_ETCDIR)
1437 AC_SUBST(LLVM_INCLUDEDIR)
1438 AC_SUBST(LLVM_INFODIR)
1439 AC_SUBST(LLVM_MANDIR)
1440 AC_SUBST(LLVM_CONFIGTIME)
1442 # Place the various directores into the config.h file as #defines so that we
1443 # can know about the installation paths within LLVM.
1444 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1445 [Installation prefix directory])
1446 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1447 [Installation directory for binary executables])
1448 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1449 [Installation directory for libraries])
1450 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1451 [Installation directory for data files])
1452 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1453 [Installation directory for documentation])
1454 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1455 [Installation directory for config files])
1456 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1457 [Installation directory for include files])
1458 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1459 [Installation directory for .info files])
1460 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1461 [Installation directory for man pages])
1462 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1463 [Time at which LLVM was configured])
1464 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1465 [Host triple we were built on])
1467 # Determine which bindings to build.
1468 if test "$BINDINGS_TO_BUILD" = auto ; then
1469 BINDINGS_TO_BUILD=""
1470 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1471 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1474 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1476 # This isn't really configurey, but it avoids having to repeat the list in
1478 AC_SUBST(ALL_BINDINGS,ocaml)
1480 # Do any work necessary to ensure that bindings have what they need.
1481 binding_prereqs_failed=0
1482 for a_binding in $BINDINGS_TO_BUILD ; do
1483 case "$a_binding" in
1485 if test "x$OCAMLC" = x ; then
1486 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1487 binding_prereqs_failed=1
1489 if test "x$OCAMLDEP" = x ; then
1490 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1491 binding_prereqs_failed=1
1493 if test "x$OCAMLOPT" = x ; then
1494 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1495 dnl ocamlopt is optional!
1497 if test "x$with_ocaml_libdir" != xauto ; then
1498 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1500 ocaml_stdlib="`"$OCAMLC" -where`"
1501 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1503 # ocaml stdlib is beneath our prefix; use stdlib
1504 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1506 # ocaml stdlib is outside our prefix; use libdir/ocaml
1507 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1513 if test "$binding_prereqs_failed" = 1 ; then
1514 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1517 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1518 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1520 dnl Determine linker rpath flag
1521 if test "$llvm_cv_link_use_r" = "yes" ; then
1528 dnl Determine linker rdynamic flag
1529 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1530 RDYNAMIC="-Wl,-export-dynamic"
1536 dnl===-----------------------------------------------------------------------===
1538 dnl=== SECTION 10: Specify the output files and generate it
1540 dnl===-----------------------------------------------------------------------===
1542 dnl Configure header files
1543 dnl WARNING: dnl If you add or remove any of the following config headers, then
1544 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1545 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1546 dnl files can be updated automatically when their *.in sources change.
1547 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1548 AH_TOP([#ifndef CONFIG_H
1552 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1553 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1554 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1555 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1556 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1558 dnl Configure the makefile's configuration data
1559 AC_CONFIG_FILES([Makefile.config])
1561 dnl Configure the RPM spec file for LLVM
1562 AC_CONFIG_FILES([llvm.spec])
1564 dnl Configure doxygen's configuration file
1565 AC_CONFIG_FILES([docs/doxygen.cfg])
1566 if test -f ${srcdir}/tools/clang/README.txt; then
1567 AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg])
1570 dnl Do the first stage of configuration for llvm-config.in.
1571 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1573 dnl OCaml findlib META file
1574 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1576 dnl Do special configuration of Makefiles
1577 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1578 AC_CONFIG_MAKEFILE(Makefile)
1579 AC_CONFIG_MAKEFILE(Makefile.common)
1580 AC_CONFIG_MAKEFILE(examples/Makefile)
1581 AC_CONFIG_MAKEFILE(lib/Makefile)
1582 AC_CONFIG_MAKEFILE(runtime/Makefile)
1583 AC_CONFIG_MAKEFILE(test/Makefile)
1584 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1585 AC_CONFIG_MAKEFILE(unittests/Makefile)
1586 AC_CONFIG_MAKEFILE(tools/Makefile)
1587 AC_CONFIG_MAKEFILE(utils/Makefile)
1588 AC_CONFIG_MAKEFILE(projects/Makefile)
1589 AC_CONFIG_MAKEFILE(bindings/Makefile)
1590 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1592 dnl Finally, crank out the output