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]],[[3.0svn]],[llvmbugs@cs.uiuc.edu])
36 dnl Provide a copyright substitution and ensure the copyright notice is included
37 dnl in the output of --version option of the generated configure script.
38 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2010 University of Illinois at Urbana-Champaign."])
39 AC_COPYRIGHT([Copyright (c) 2003-2010 University of Illinois at Urbana-Champaign.])
41 dnl Indicate that we require autoconf 2.59 or later. Ths is needed because we
42 dnl use some autoconf macros only available in 2.59.
45 dnl Verify that the source directory is valid. This makes sure that we are
46 dnl configuring LLVM and not some other package (it validates --srcdir argument)
47 AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp])
49 dnl Place all of the extra autoconf files into the config subdirectory. Tell
50 dnl various tools where the m4 autoconf macros are.
51 AC_CONFIG_AUX_DIR([autoconf])
53 dnl Quit if the source directory has already been configured.
54 dnl NOTE: This relies upon undocumented autoconf behavior.
55 if test ${srcdir} != "." ; then
56 if test -f ${srcdir}/include/llvm/Config/config.h ; then
57 AC_MSG_ERROR([Already configured in ${srcdir}])
61 dnl Configure all of the projects present in our source tree. While we could
62 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
63 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
64 dnl Instead we match on the known projects.
67 dnl One tricky part of doing this is that some projects depend upon other
68 dnl projects. For example, several projects rely upon the LLVM test suite.
69 dnl We want to configure those projects first so that their object trees are
70 dnl created before running the configure scripts of projects that depend upon
74 dnl Several projects use llvm-gcc, so configure that first
75 if test -d ${srcdir}/projects/llvm-gcc ; then
76 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
79 dnl Several projects use the LLVM test suite, so configure it next.
80 if test -d ${srcdir}/projects/test-suite ; then
81 AC_CONFIG_SUBDIRS([projects/test-suite])
84 dnl llvm-test is the old name of the test-suite, kept here for backwards
86 if test -d ${srcdir}/projects/llvm-test ; then
87 AC_CONFIG_SUBDIRS([projects/llvm-test])
90 dnl Some projects use poolalloc; configure that next
91 if test -d ${srcdir}/projects/poolalloc ; then
92 AC_CONFIG_SUBDIRS([projects/poolalloc])
95 if test -d ${srcdir}/projects/llvm-poolalloc ; then
96 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
99 dnl Check for all other projects
100 for i in `ls ${srcdir}/projects`
102 if test -d ${srcdir}/projects/${i} ; then
104 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
105 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
106 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
107 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
108 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
109 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
110 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
111 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
118 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
124 dnl Disable the build of polly, even if it is checked out into tools/polly.
126 AS_HELP_STRING([--enable-polly],
127 [Use polly if available (default is YES)]),,
130 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
131 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
132 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
133 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
137 dnl Check if polly is checked out into tools/polly and configure it if
139 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
140 AC_SUBST(LLVM_HAS_POLLY,1)
141 AC_CONFIG_SUBDIRS([tools/polly])
144 dnl===-----------------------------------------------------------------------===
146 dnl=== SECTION 2: Architecture, target, and host checks
148 dnl===-----------------------------------------------------------------------===
150 dnl Check the target for which we're compiling and the host that will do the
151 dnl compilations. This will tell us which LLVM compiler will be used for
152 dnl compiling SSA into object code. This needs to be done early because
153 dnl following tests depend on it.
156 dnl Determine the platform type and cache its value. This helps us configure
157 dnl the System library to the correct build platform.
158 AC_CACHE_CHECK([type of operating system we're going to host on],
162 llvm_cv_link_all_option="-Wl,--whole-archive"
163 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
164 llvm_cv_os_type="AIX"
165 llvm_cv_platform_type="Unix" ;;
167 llvm_cv_link_all_option="-Wl,--whole-archive"
168 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
169 llvm_cv_os_type="IRIX"
170 llvm_cv_platform_type="Unix" ;;
172 llvm_cv_link_all_option="-Wl,--whole-archive"
173 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
174 llvm_cv_os_type="Cygwin"
175 llvm_cv_platform_type="Unix" ;;
177 llvm_cv_link_all_option="-Wl,-all_load"
178 llvm_cv_no_link_all_option="-Wl,-noall_load"
179 llvm_cv_os_type="Darwin"
180 llvm_cv_platform_type="Unix" ;;
182 llvm_cv_link_all_option="-Wl,-all_load"
183 llvm_cv_no_link_all_option="-Wl,-noall_load"
184 llvm_cv_os_type="Minix"
185 llvm_cv_platform_type="Unix" ;;
187 llvm_cv_link_all_option="-Wl,--whole-archive"
188 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
189 llvm_cv_os_type="FreeBSD"
190 llvm_cv_platform_type="Unix" ;;
192 llvm_cv_link_all_option="-Wl,--whole-archive"
193 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
194 llvm_cv_os_type="OpenBSD"
195 llvm_cv_platform_type="Unix" ;;
197 llvm_cv_link_all_option="-Wl,--whole-archive"
198 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
199 llvm_cv_os_type="NetBSD"
200 llvm_cv_platform_type="Unix" ;;
202 llvm_cv_link_all_option="-Wl,--whole-archive"
203 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
204 llvm_cv_os_type="DragonFly"
205 llvm_cv_platform_type="Unix" ;;
207 llvm_cv_link_all_option="-Wl,--whole-archive"
208 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
209 llvm_cv_os_type="HP-UX"
210 llvm_cv_platform_type="Unix" ;;
212 llvm_cv_link_all_option="-Wl,--whole-archive"
213 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
214 llvm_cv_os_type="Interix"
215 llvm_cv_platform_type="Unix" ;;
217 llvm_cv_link_all_option="-Wl,--whole-archive"
218 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
219 llvm_cv_os_type="Linux"
220 llvm_cv_platform_type="Unix" ;;
222 llvm_cv_link_all_option="-Wl,-z,allextract"
223 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
224 llvm_cv_os_type="SunOS"
225 llvm_cv_platform_type="Unix" ;;
227 llvm_cv_link_all_option="-Wl,-z,allextract"
228 llvm_cv_link_all_option="-Wl,-z,defaultextract"
229 llvm_cv_os_type="AuroraUX"
230 llvm_cv_platform_type="Unix" ;;
232 llvm_cv_link_all_option="-Wl,--whole-archive"
233 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
234 llvm_cv_os_type="Win32"
235 llvm_cv_platform_type="Win32" ;;
237 llvm_cv_link_all_option="-Wl,--whole-archive"
238 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
239 llvm_cv_os_type="MingW"
240 llvm_cv_platform_type="Win32" ;;
242 llvm_cv_link_all_option="-Wl,--whole-archive"
243 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
244 llvm_cv_os_type="Haiku"
245 llvm_cv_platform_type="Unix" ;;
247 llvm_cv_link_all_option="-Wl,--whole-archive"
248 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
249 llvm_cv_os_type="Freestanding"
250 llvm_cv_platform_type="Unix" ;;
252 llvm_cv_link_all_option="-Wl,--whole-archive"
253 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
254 llvm_cv_os_type="Freestanding"
255 llvm_cv_platform_type="Unix" ;;
257 llvm_cv_link_all_option=""
258 llvm_cv_no_link_all_option=""
259 llvm_cv_os_type="Unknown"
260 llvm_cv_platform_type="Unknown" ;;
263 AC_CACHE_CHECK([type of operating system we're going to target],
264 [llvm_cv_target_os_type],
267 llvm_cv_target_os_type="AIX" ;;
269 llvm_cv_target_os_type="IRIX" ;;
271 llvm_cv_target_os_type="Cygwin" ;;
273 llvm_cv_target_os_type="Darwin" ;;
275 llvm_cv_target_os_type="Minix" ;;
277 llvm_cv_target_os_type="FreeBSD" ;;
279 llvm_cv_target_os_type="OpenBSD" ;;
281 llvm_cv_target_os_type="NetBSD" ;;
283 llvm_cv_target_os_type="DragonFly" ;;
285 llvm_cv_target_os_type="HP-UX" ;;
287 llvm_cv_target_os_type="Interix" ;;
289 llvm_cv_target_os_type="Linux" ;;
291 llvm_cv_target_os_type="SunOS" ;;
293 llvm_cv_target_os_type="AuroraUX" ;;
295 llvm_cv_target_os_type="Win32" ;;
297 llvm_cv_target_os_type="MingW" ;;
299 llvm_cv_target_os_type="Haiku" ;;
301 llvm_cv_target_os_type="Freestanding" ;;
303 llvm_cv_target_os_type="Unknown" ;;
306 dnl Make sure we aren't attempting to configure for an unknown system
307 if test "$llvm_cv_os_type" = "Unknown" ; then
308 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
311 dnl Set the "OS" Makefile variable based on the platform type so the
312 dnl makefile can configure itself to specific build hosts
313 AC_SUBST(OS,$llvm_cv_os_type)
314 AC_SUBST(HOST_OS,$llvm_cv_os_type)
315 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
317 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
318 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
319 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
321 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
322 dnl This is used by lib/Support to determine the basic kind of implementation
324 case $llvm_cv_platform_type in
326 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
327 AC_SUBST(LLVM_ON_UNIX,[1])
328 AC_SUBST(LLVM_ON_WIN32,[0])
331 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
332 AC_SUBST(LLVM_ON_UNIX,[0])
333 AC_SUBST(LLVM_ON_WIN32,[1])
337 dnl Determine what our target architecture is and configure accordingly.
338 dnl This will allow Makefiles to make a distinction between the hardware and
340 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
342 i?86-*) llvm_cv_target_arch="x86" ;;
343 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
344 sparc*-*) llvm_cv_target_arch="Sparc" ;;
345 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
346 alpha*-*) llvm_cv_target_arch="Alpha" ;;
347 arm*-*) llvm_cv_target_arch="ARM" ;;
348 mips-*) llvm_cv_target_arch="Mips" ;;
349 xcore-*) llvm_cv_target_arch="XCore" ;;
350 msp430-*) llvm_cv_target_arch="MSP430" ;;
351 s390x-*) llvm_cv_target_arch="SystemZ" ;;
352 bfin-*) llvm_cv_target_arch="Blackfin" ;;
353 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
354 ptx-*) llvm_cv_target_arch="PTX" ;;
355 *) llvm_cv_target_arch="Unknown" ;;
358 if test "$llvm_cv_target_arch" = "Unknown" ; then
359 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
362 # Determine the LLVM native architecture for the target
363 case "$llvm_cv_target_arch" in
364 x86) LLVM_NATIVE_ARCH="X86" ;;
365 x86_64) LLVM_NATIVE_ARCH="X86" ;;
366 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
369 dnl Define a substitution, ARCH, for the target architecture
370 AC_SUBST(ARCH,$llvm_cv_target_arch)
372 dnl Check for the endianness of the target
373 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
375 dnl Check for build platform executable suffix if we're crosscompiling
376 if test "$cross_compiling" = yes; then
377 AC_SUBST(LLVM_CROSS_COMPILING, [1])
379 ac_build_prefix=${build_alias}-
380 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
381 if test -z "$BUILD_CXX"; then
382 AC_CHECK_PROG(BUILD_CXX, g++, g++)
383 if test -z "$BUILD_CXX"; then
384 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
388 AC_SUBST(LLVM_CROSS_COMPILING, [0])
391 dnl Check to see if there's a .svn or .git directory indicating that this
392 dnl build is being done from a checkout. This sets up several defaults for
393 dnl the command line switches. When we build with a checkout directory,
394 dnl we get a debug with assertions turned on. Without, we assume a source
395 dnl release and we get an optimized build without assertions.
396 dnl See --enable-optimized and --enable-assertions below
397 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
400 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
406 dnl===-----------------------------------------------------------------------===
408 dnl=== SECTION 3: Command line arguments for the configure script.
410 dnl===-----------------------------------------------------------------------===
412 dnl --enable-optimized : check whether they want to do an optimized build:
413 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
414 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
415 if test ${enableval} = "no" ; then
416 AC_SUBST(ENABLE_OPTIMIZED,[[]])
418 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
421 dnl --enable-profiling : check whether they want to do a profile build:
422 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
423 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
424 if test ${enableval} = "no" ; then
425 AC_SUBST(ENABLE_PROFILING,[[]])
427 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
430 dnl --enable-assertions : check whether they want to turn on assertions or not:
431 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
432 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
433 if test ${enableval} = "yes" ; then
434 AC_SUBST(DISABLE_ASSERTIONS,[[]])
436 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
439 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
440 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
441 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
442 if test ${enableval} = "yes" ; then
443 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
444 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
446 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
447 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
450 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
451 AC_ARG_ENABLE(debug-runtime,
452 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
453 if test ${enableval} = "no" ; then
454 AC_SUBST(DEBUG_RUNTIME,[[]])
456 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
459 dnl --enable-debug-symbols : should even optimized compiler libraries
460 dnl have debug symbols?
461 AC_ARG_ENABLE(debug-symbols,
462 AS_HELP_STRING(--enable-debug-symbols,[Build compiler with debug symbols (default is NO if optimization is on and YES if it's off)]),,enableval=no)
463 if test ${enableval} = "no" ; then
464 AC_SUBST(DEBUG_SYMBOLS,[[]])
466 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
469 dnl --enable-jit: check whether they want to enable the jit
471 AS_HELP_STRING(--enable-jit,
472 [Enable Just In Time Compiling (default is YES)]),,
474 if test ${enableval} = "no"
478 case "$llvm_cv_target_arch" in
479 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
480 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
481 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
482 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
483 Alpha) AC_SUBST(TARGET_HAS_JIT,0) ;;
484 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
485 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
486 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
487 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
488 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
489 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
490 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
491 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
492 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
496 dnl Allow enablement of building and installing docs
498 AS_HELP_STRING([--enable-docs],
499 [Build documents (default is YES)]),,
502 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
503 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
504 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
505 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
508 dnl Allow enablement of doxygen generated documentation
509 AC_ARG_ENABLE(doxygen,
510 AS_HELP_STRING([--enable-doxygen],
511 [Build doxygen documentation (default is NO)]),,
514 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
515 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
516 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
517 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
520 dnl Allow disablement of threads
521 AC_ARG_ENABLE(threads,
522 AS_HELP_STRING([--enable-threads],
523 [Use threads if available (default is YES)]),,
526 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
527 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
528 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
529 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
531 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
533 dnl Allow disablement of pthread.h
534 AC_ARG_ENABLE(pthreads,
535 AS_HELP_STRING([--enable-pthreads],
536 [Use pthreads if available (default is YES)]),,
539 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
540 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
541 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
542 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
545 dnl Allow building without position independent code
547 AS_HELP_STRING([--enable-pic],
548 [Build LLVM with Position Independent Code (default is YES)]),,
551 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
552 no) AC_SUBST(ENABLE_PIC,[0]) ;;
553 default) AC_SUBST(ENABLE_PIC,[1]) ;;
554 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
556 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
557 [Define if position independent code is enabled])
559 dnl Allow building a shared library and linking tools against it.
560 AC_ARG_ENABLE(shared,
561 AS_HELP_STRING([--enable-shared],
562 [Build a shared library and link tools against it (default is NO)]),,
565 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
566 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
567 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
568 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
571 dnl Allow libstdc++ is embedded in LLVM.dll.
572 AC_ARG_ENABLE(embed-stdcxx,
573 AS_HELP_STRING([--enable-embed-stdcxx],
574 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
577 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
578 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
579 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
580 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
583 dnl Enable embedding timestamp information into build.
584 AC_ARG_ENABLE(timestamps,
585 AS_HELP_STRING([--enable-timestamps],
586 [Enable embedding timestamp information in build (default is YES)]),,
589 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
590 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
591 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
592 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
594 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
595 [Define if timestamp information (e.g., __DATE___) is allowed])
597 dnl Allow specific targets to be specified for building (or not)
599 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
600 [Build specific host targets: all or target1,target2,... Valid targets are:
601 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu,
602 xcore, msp430, systemz, blackfin, ptx, cbe, and cpp (default=all)]),,
604 if test "$enableval" = host-only ; then
608 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU XCore MSP430 SystemZ Blackfin CBackend CppBackend MBlaze PTX" ;;
609 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
611 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
612 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
613 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
614 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
615 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
616 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
617 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
618 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
619 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
620 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
621 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
622 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
623 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
624 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
625 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
626 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
627 host) case "$llvm_cv_target_arch" in
628 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
629 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
630 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
631 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
632 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
633 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
634 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
635 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
636 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
637 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
638 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
639 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
640 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
641 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
642 *) AC_MSG_ERROR([Can not set target to build]) ;;
644 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
649 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
651 # Determine whether we are building LLVM support for the native architecture.
652 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
653 for a_target in $TARGETS_TO_BUILD; do
654 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
655 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
656 [LLVM architecture name for the native architecture, if available])
657 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
658 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
659 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
660 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
661 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
663 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
664 [LLVM name for the native Target init function, if available])
665 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
666 [LLVM name for the native TargetInfo init function, if available])
667 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
668 [LLVM name for the native AsmPrinter init function, if available])
669 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
670 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
671 [LLVM name for the native AsmParser init function, if available])
676 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
677 # target feature def files.
679 LLVM_ENUM_ASM_PRINTERS=""
680 LLVM_ENUM_ASM_PARSERS=""
681 LLVM_ENUM_DISASSEMBLERS=""
682 for target_to_build in $TARGETS_TO_BUILD; do
683 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
684 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
685 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
687 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
688 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
690 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
691 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
694 AC_SUBST(LLVM_ENUM_TARGETS)
695 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
696 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
697 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
699 dnl Prevent the CBackend from using printf("%a") for floating point so older
700 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
701 dnl can still compile the CBE's output
702 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
703 [Enable C Backend output with hex floating point via %a (default is YES)]),,
706 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
707 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
708 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
709 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
711 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
712 [Define if CBE is enabled for printf %a output])
714 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
715 AC_ARG_WITH(llvmgccdir,
716 AS_HELP_STRING([--with-llvmgccdir],
717 [Specify location of llvm-gcc install dir (default searches PATH)]),,
720 default) WITH_LLVMGCCDIR=default ;;
721 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
722 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
725 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
727 AS_HELP_STRING([--with-llvmgcc],
728 [Specify location of llvm-gcc driver (default searches PATH)]),
729 LLVMGCC=$with_llvmgcc
732 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
734 AS_HELP_STRING([--with-llvmgxx],
735 [Specify location of llvm-g++ driver (default searches PATH)]),
736 LLVMGXX=$with_llvmgxx
739 if test -n "$LLVMGCC"; then
740 LLVMGCCCOMMAND="$LLVMGCC"
743 if test -n "$LLVMGXX"; then
744 LLVMGXXCOMMAND="$LLVMGXX"
747 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
748 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
751 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
752 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
755 dnl Allow a specific Clang compiler to be used with this LLVM config.
757 AS_HELP_STRING([--with-clang],
758 [Specify location of clang compiler (default is --with-built-clang)]),
759 [],[with_clang=default])
761 dnl Enable use of the built Clang.
762 AC_ARG_WITH(built-clang,
763 AS_HELP_STRING([--with-built-clang],
764 [Use the compiled Clang as the LLVM compiler (default=check)]),
765 [],[with_built_clang=check])
767 dnl Select the Clang compiler option.
769 dnl If --with-clang is given, always honor that; otherwise honor
770 dnl --with-built-clang, or check if we have the clang sources.
771 AC_MSG_CHECKING([clang compiler])
774 if test "$with_clang" != "default"; then
775 WITH_CLANGPATH="$with_clang"
776 if ! test -x "$WITH_CLANGPATH"; then
777 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
779 elif test "$with_built_clang" = "yes"; then
781 elif test "$with_built_clang" = "no"; then
784 if test "$with_built_clang" != "check"; then
785 AC_MSG_ERROR([invalid value for --with-built-clang.])
788 if test -f ${srcdir}/tools/clang/README.txt; then
793 if ! test -z "$WITH_CLANGPATH"; then
794 AC_MSG_RESULT([$WITH_CLANGPATH])
795 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
796 elif test "$WITH_BUILT_CLANG" = "1"; then
797 AC_MSG_RESULT([built])
799 AC_MSG_RESULT([none])
801 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
802 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
803 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
805 dnl Override the option to use for optimized builds.
806 AC_ARG_WITH(optimize-option,
807 AS_HELP_STRING([--with-optimize-option],
808 [Select the compiler options to use for optimized builds]),,
810 AC_MSG_CHECKING([optimization flags])
813 case "$llvm_cv_os_type" in
814 FreeBSD) optimize_option=-O2 ;;
815 MingW) optimize_option=-O2 ;;
816 *) optimize_option=-O3 ;;
818 *) optimize_option="$withval" ;;
820 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
821 AC_MSG_RESULT([$optimize_option])
823 dnl Specify extra build options
824 AC_ARG_WITH(extra-options,
825 AS_HELP_STRING([--with-extra-options],
826 [Specify additional options to compile LLVM with]),,
829 default) EXTRA_OPTIONS= ;;
830 *) EXTRA_OPTIONS=$withval ;;
832 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
834 dnl Allow specific bindings to be specified for building (or not)
835 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
836 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
840 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
841 all ) BINDINGS_TO_BUILD="ocaml" ;;
842 none | no) BINDINGS_TO_BUILD="" ;;
843 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
845 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
846 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
852 dnl Allow the ocaml libdir to be overridden. This could go in a configure
853 dnl script for bindings/ocaml/configure, except that its auto value depends on
854 dnl OCAMLC, which is found here to support tests.
855 AC_ARG_WITH([ocaml-libdir],
856 [AS_HELP_STRING([--with-ocaml-libdir],
857 [Specify install location for ocaml bindings (default is stdlib)])],
861 auto) with_ocaml_libdir="$withval" ;;
862 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
863 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
866 AC_ARG_WITH(clang-resource-dir,
867 AS_HELP_STRING([--with-clang-resource-dir],
868 [Relative directory from the Clang binary for resource files]),,
870 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
871 [Relative directory for resource files])
873 AC_ARG_WITH(c-include-dirs,
874 AS_HELP_STRING([--with-c-include-dirs],
875 [Colon separated list of directories clang will search for headers]),,
877 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
878 [Directories clang will search for headers])
880 AC_ARG_WITH(cxx-include-root,
881 AS_HELP_STRING([--with-cxx-include-root],
882 [Directory with the libstdc++ headers.]),,
884 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
885 [Directory with the libstdc++ headers.])
887 AC_ARG_WITH(cxx-include-arch,
888 AS_HELP_STRING([--with-cxx-include-arch],
889 [Architecture of the libstdc++ headers.]),,
891 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
892 [Arch the libstdc++ headers.])
894 AC_ARG_WITH(cxx-include-32bit-dir,
895 AS_HELP_STRING([--with-cxx-include-32bit-dir],
896 [32 bit multilib dir.]),,
898 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
899 [32 bit multilib directory.])
901 AC_ARG_WITH(cxx-include-64bit-dir,
902 AS_HELP_STRING([--with-cxx-include-64bit-dir],
903 [64 bit multilib directory.]),,
905 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
906 [64 bit multilib directory.])
908 dnl Allow linking of LLVM with GPLv3 binutils code.
909 AC_ARG_WITH(binutils-include,
910 AS_HELP_STRING([--with-binutils-include],
911 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
914 default) WITH_BINUTILS_INCDIR=default ;;
915 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
916 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
918 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
919 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
920 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
921 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
922 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
926 dnl --enable-libffi : check whether the user wants to turn off libffi:
927 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
928 --enable-libffi,[Check for the presence of libffi (default is NO)]),
929 [case "$enableval" in
930 yes) llvm_cv_enable_libffi="yes" ;;
931 no) llvm_cv_enable_libffi="no" ;;
932 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
934 llvm_cv_enable_libffi=no)
936 dnl===-----------------------------------------------------------------------===
938 dnl=== SECTION 4: Check for programs we need and that they are the right version
940 dnl===-----------------------------------------------------------------------===
942 dnl Check for compilation tools
950 dnl Check for the tools that the makefiles require
953 AC_PATH_PROG(CMP, [cmp], [cmp])
954 AC_PATH_PROG(CP, [cp], [cp])
955 AC_PATH_PROG(DATE, [date], [date])
956 AC_PATH_PROG(FIND, [find], [find])
957 AC_PATH_PROG(GREP, [grep], [grep])
958 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
959 AC_PATH_PROG(MV, [mv], [mv])
961 AC_CHECK_TOOL(AR, ar, false)
962 AC_PATH_PROG(RM, [rm], [rm])
963 AC_PATH_PROG(SED, [sed], [sed])
964 AC_PATH_PROG(TAR, [tar], [gtar])
965 AC_PATH_PROG(BINPWD,[pwd], [pwd])
967 dnl Looking for misc. graph plotting software
968 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
969 if test "$GRAPHVIZ" != "echo Graphviz" ; then
970 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
971 dnl If we're targeting for mingw we should emit windows paths, not msys
972 if test "$llvm_cv_os_type" = "MingW" ; then
973 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
975 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
976 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
978 AC_PATH_PROG(DOT, [dot], [echo dot])
979 if test "$DOT" != "echo dot" ; then
980 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
981 dnl If we're targeting for mingw we should emit windows paths, not msys
982 if test "$llvm_cv_os_type" = "MingW" ; then
983 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
985 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
986 [Define to path to dot program if found or 'echo dot' otherwise])
988 AC_PATH_PROG(FDP, [fdp], [echo fdp])
989 if test "$FDP" != "echo fdp" ; then
990 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
991 dnl If we're targeting for mingw we should emit windows paths, not msys
992 if test "$llvm_cv_os_type" = "MingW" ; then
993 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
995 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
996 [Define to path to fdp program if found or 'echo fdp' otherwise])
998 AC_PATH_PROG(NEATO, [neato], [echo neato])
999 if test "$NEATO" != "echo neato" ; then
1000 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1001 dnl If we're targeting for mingw we should emit windows paths, not msys
1002 if test "$llvm_cv_os_type" = "MingW" ; then
1003 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1005 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1006 [Define to path to neato program if found or 'echo neato' otherwise])
1008 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1009 if test "$TWOPI" != "echo twopi" ; then
1010 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1011 dnl If we're targeting for mingw we should emit windows paths, not msys
1012 if test "$llvm_cv_os_type" = "MingW" ; then
1013 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1015 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1016 [Define to path to twopi program if found or 'echo twopi' otherwise])
1018 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1019 if test "$CIRCO" != "echo circo" ; then
1020 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1021 dnl If we're targeting for mingw we should emit windows paths, not msys
1022 if test "$llvm_cv_os_type" = "MingW" ; then
1023 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1025 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1026 [Define to path to circo program if found or 'echo circo' otherwise])
1028 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1029 if test "$GV" != "echo gv" ; then
1030 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1031 dnl If we're targeting for mingw we should emit windows paths, not msys
1032 if test "$llvm_cv_os_type" = "MingW" ; then
1033 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1035 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1036 [Define to path to gv program if found or 'echo gv' otherwise])
1038 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1039 if test "$DOTTY" != "echo dotty" ; then
1040 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1041 dnl If we're targeting for mingw we should emit windows paths, not msys
1042 if test "$llvm_cv_os_type" = "MingW" ; then
1043 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1045 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1046 [Define to path to dotty program if found or 'echo dotty' otherwise])
1048 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1049 if test "$XDOT_PY" != "echo xdot.py" ; then
1050 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1051 dnl If we're targeting for mingw we should emit windows paths, not msys
1052 if test "$llvm_cv_os_type" = "MingW" ; then
1053 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1055 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1056 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1059 dnl Look for a sufficiently recent version of Perl.
1060 LLVM_PROG_PERL([5.006])
1062 if test x"$PERL" = xnone; then
1063 AC_SUBST(HAVE_PERL,0)
1064 AC_MSG_ERROR([perl is required but was not found, please install it])
1066 AC_SUBST(HAVE_PERL,1)
1069 dnl Find the install program
1071 dnl Prepend src dir to install path dir if it's a relative path
1072 dnl This is a hack for installs that take place in something other
1073 dnl than the top level.
1075 [[\\/$]]* | ?:[[\\/]]* ) ;;
1076 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1079 dnl Checks for documentation and testing tools that we can do without. If these
1080 dnl are not found then they are set to "true" which always succeeds but does
1081 dnl nothing. This just lets the build output show that we could have done
1082 dnl something if the tool was available.
1083 AC_PATH_PROG(BZIP2, [bzip2])
1084 AC_PATH_PROG(CAT, [cat])
1085 AC_PATH_PROG(DOXYGEN, [doxygen])
1086 AC_PATH_PROG(GROFF, [groff])
1087 AC_PATH_PROG(GZIPBIN, [gzip])
1088 AC_PATH_PROG(POD2HTML, [pod2html])
1089 AC_PATH_PROG(POD2MAN, [pod2man])
1090 AC_PATH_PROG(PDFROFF, [pdfroff])
1091 AC_PATH_PROG(RUNTEST, [runtest])
1093 AC_PATH_PROG(ZIP, [zip])
1094 AC_PATH_PROGS(OCAMLC, [ocamlc])
1095 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1096 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1097 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1098 AC_PATH_PROGS(GAS, [gas as])
1100 dnl Get the version of the linker in use.
1103 dnl Determine whether the linker supports the -R option.
1106 dnl Determine whether the linker supports the -export-dynamic option.
1107 AC_LINK_EXPORT_DYNAMIC
1109 dnl Determine whether the linker supports the --version-script option.
1110 AC_LINK_VERSION_SCRIPT
1112 dnl Check for libtool and the library that has dlopen function (which must come
1113 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1118 if test "$WITH_LLVMGCCDIR" = "default" ; then
1119 LLVMGCC="llvm-gcc${EXEEXT}"
1120 LLVMGXX="llvm-g++${EXEEXT}"
1121 LLVMGCCCOMMAND="$LLVMGCC"
1122 LLVMGXXCOMMAND="$LLVMGXX"
1123 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1124 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1125 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
1126 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
1128 if test -z "$LLVMGCC"; then
1129 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
1130 LLVMGCCCOMMAND="$LLVMGCC"
1132 if test -z "$LLVMGXX"; then
1133 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
1134 LLVMGXXCOMMAND="$LLVMGXX"
1137 AC_SUBST(LLVMGCC,$LLVMGCC)
1138 AC_SUBST(LLVMGXX,$LLVMGXX)
1139 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1140 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1143 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1144 dnl found, otherwise clang if available.
1146 AS_HELP_STRING([--with-llvmcc=<name>],
1147 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1148 [],[with_llvmcc=check])
1149 AC_MSG_CHECKING([LLVM capable compiler])
1150 if test "$with_llvmcc" != "check"; then
1151 if (test "$with_llvmcc" != "llvm-gcc" &&
1152 test "$with_llvmcc" != "clang" &&
1153 test "$with_llvmcc" != "none"); then
1154 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1156 WITH_LLVMCC="$with_llvmcc"
1157 elif test -n "$LLVMGCC"; then
1158 WITH_LLVMCC=llvm-gcc
1159 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1164 AC_MSG_RESULT([$WITH_LLVMCC])
1165 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1167 AC_MSG_CHECKING([tool compatibility])
1169 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1170 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1171 dnl to support those options.
1172 dnl "icc" emits gcc signatures
1173 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1185 if test "$GCC" != "yes" && test "$ICC" != "yes"
1187 AC_MSG_ERROR([gcc|icc required but not found])
1190 dnl Ensure that compilation tools are compatible with GCC extensions
1191 if test "$GXX" != "yes" && test "$IXX" != "yes"
1193 AC_MSG_ERROR([g++|clang++|icc required but not found])
1196 dnl Verify that GCC is version 3.0 or higher
1197 if test "$GCC" = "yes"
1199 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1200 #error Unsupported GCC version
1202 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1205 dnl Check for GNU Make. We use its extensions, so don't build without it
1206 if test -z "$llvm_cv_gnu_make_command"
1208 AC_MSG_ERROR([GNU Make required but not found])
1211 dnl Tool compatibility is okay if we make it here.
1214 dnl Check optional compiler flags.
1215 AC_MSG_CHECKING([optional compiler flags])
1216 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1217 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1218 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1220 dnl===-----------------------------------------------------------------------===
1222 dnl=== SECTION 5: Check for libraries
1224 dnl===-----------------------------------------------------------------------===
1227 if test "$llvm_cv_os_type" = "MingW" ; then
1228 AC_CHECK_LIB(imagehlp, main)
1229 AC_CHECK_LIB(psapi, main)
1232 dnl dlopen() is required for plugin support.
1233 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1234 [Define if dlopen() is available on this platform.]),
1235 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1237 dnl libffi is optional; used to call external functions from the interpreter
1238 if test "$llvm_cv_enable_libffi" = "yes" ; then
1239 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1240 [Define if libffi is available on this platform.]),
1241 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1244 dnl mallinfo is optional; the code can compile (minus features) without it
1245 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1246 [Define if mallinfo() is available on this platform.]))
1248 dnl pthread locking functions are optional - but llvm will not be thread-safe
1250 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1251 AC_CHECK_LIB(pthread, pthread_mutex_init)
1252 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1253 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1254 [Have pthread_mutex_lock]))
1255 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1256 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1257 [Have pthread_rwlock_init]))
1258 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1259 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1260 [Have pthread_getspecific]))
1263 dnl Allow extra x86-disassembler library
1265 AS_HELP_STRING([--with-udis86=<path>],
1266 [Use udis86 external x86 disassembler library]),
1268 AC_SUBST(USE_UDIS86, [1])
1271 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1273 AC_CHECK_LIB(udis86, ud_init, [], [
1274 echo "Error! You need to have libudis86 around."
1278 AC_SUBST(USE_UDIS86, [0]))
1279 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1280 [Define if use udis86 library])
1282 dnl Allow OProfile support for JIT output.
1283 AC_ARG_WITH(oprofile,
1284 AS_HELP_STRING([--with-oprofile=<prefix>],
1285 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1287 AC_SUBST(USE_OPROFILE, [1])
1289 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1291 AC_SUBST(USE_OPROFILE, [0]) ;;
1292 *) llvm_cv_oppath="${withval}/lib/oprofile"
1293 CPPFLAGS="-I${withval}/include";;
1295 if test -n "$llvm_cv_oppath" ; then
1296 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1297 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1298 dnl libbfd is not included properly in libopagent in some Debian
1299 dnl versions. If libbfd isn't found at all, we assume opagent works
1301 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1302 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1303 echo "Error! You need to have libopagent around."
1306 AC_CHECK_HEADER([opagent.h], [], [
1307 echo "Error! You need to have opagent.h around."
1313 AC_SUBST(USE_OPROFILE, [0])
1315 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1316 [Define if we have the oprofile JIT-support library])
1318 dnl===-----------------------------------------------------------------------===
1320 dnl=== SECTION 6: Check for header files
1322 dnl===-----------------------------------------------------------------------===
1324 dnl First, use autoconf provided macros for specific headers that we need
1325 dnl We don't check for ancient stuff or things that are guaranteed to be there
1326 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1327 dnl Generally we're looking for POSIX headers.
1329 AC_HEADER_MMAP_ANONYMOUS
1335 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1336 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1337 AC_CHECK_HEADERS([utime.h windows.h])
1338 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1339 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1340 AC_CHECK_HEADERS([valgrind/valgrind.h])
1341 AC_CHECK_HEADERS([fenv.h])
1342 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1343 AC_CHECK_HEADERS(pthread.h,
1344 AC_SUBST(HAVE_PTHREAD, 1),
1345 AC_SUBST(HAVE_PTHREAD, 0))
1347 AC_SUBST(HAVE_PTHREAD, 0)
1350 dnl Try to find ffi.h.
1351 if test "$llvm_cv_enable_libffi" = "yes" ; then
1352 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1355 dnl Try to find Darwin specific crash reporting libraries.
1356 AC_CHECK_HEADERS([CrashReporterClient.h])
1358 dnl Try to find Darwin specific crash reporting global.
1359 AC_MSG_CHECKING([__crashreporter_info__])
1362 [[extern const char *__crashreporter_info__;
1364 __crashreporter_info__ = "test";
1369 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1371 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1372 Define if __crashreporter_info__ exists.))
1374 dnl===-----------------------------------------------------------------------===
1376 dnl=== SECTION 7: Check for types and structures
1378 dnl===-----------------------------------------------------------------------===
1383 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1385 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1386 AC_CHECK_TYPES([uint64_t],,
1387 AC_CHECK_TYPES([u_int64_t],,
1388 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1390 dnl===-----------------------------------------------------------------------===
1392 dnl=== SECTION 8: Check for specific functions needed
1394 dnl===-----------------------------------------------------------------------===
1396 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1397 AC_CHECK_FUNCS([powf fmodf strtof round ])
1398 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1399 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1400 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1401 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1402 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1403 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1407 dnl Check the declaration "Secure API" on Windows environments.
1408 AC_CHECK_DECLS([strerror_s])
1410 dnl Check symbols in libgcc.a for JIT on Mingw.
1411 if test "$llvm_cv_os_type" = "MingW" ; then
1412 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1413 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1414 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1415 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1417 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1418 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1419 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1420 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1421 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1422 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1423 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1424 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1425 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1426 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1428 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1429 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1432 dnl Check Win32 API EnumerateLoadedModules.
1433 if test "$llvm_cv_os_type" = "MingW" ; then
1434 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1435 AC_COMPILE_IFELSE([[#include <windows.h>
1436 #include <imagehlp.h>
1437 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1438 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1440 AC_MSG_RESULT([yes])
1441 llvm_cv_win32_elmcb_pcstr="PCSTR"
1445 llvm_cv_win32_elmcb_pcstr="PSTR"
1447 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1450 dnl Check for variations in the Standard C++ library and STL. These macros are
1451 dnl provided by LLVM in the autoconf/m4 directory.
1455 dnl Check for mmap support.We also need to know if /dev/zero is required to
1456 dnl be opened for allocating RWX memory.
1457 dnl Make sure we aren't attempting to configure for an unknown system
1458 if test "$llvm_cv_platform_type" = "Unix" ; then
1461 AC_NEED_DEV_ZERO_FOR_MMAP
1463 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1465 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1467 if test "$ac_cv_func_mmap_file" = "no"
1469 AC_MSG_WARN([mmap() of files required but not found])
1473 dnl atomic builtins are required for threading support.
1474 AC_MSG_CHECKING(for GCC atomic builtins)
1475 dnl Since we'll be using these atomic builtins in C++ files we should test
1476 dnl the C++ compiler.
1481 volatile unsigned long val = 1;
1482 __sync_synchronize();
1483 __sync_val_compare_and_swap(&val, 1, 0);
1484 __sync_add_and_fetch(&val, 1);
1485 __sync_sub_and_fetch(&val, 1);
1491 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1493 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1494 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1496 dnl===-----------------------------------------------------------------------===
1498 dnl=== SECTION 9: Additional checks, variables, etc.
1500 dnl===-----------------------------------------------------------------------===
1502 dnl Handle 32-bit linux systems running a 64-bit kernel.
1503 dnl This has to come after section 4 because it invokes the compiler.
1504 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1506 if test "$llvm_cv_linux_mixed" = "yes"; then
1507 llvm_cv_target_arch="x86"
1512 dnl Check, whether __dso_handle is present
1513 AC_CHECK_FUNCS([__dso_handle])
1515 dnl Check wether llvm-gcc is based on dragonegg
1516 AC_CACHE_CHECK([whether llvm-gcc is dragonegg],[llvm_cv_llvmgcc_dragonegg],
1517 [llvm_cv_llvmgcc_dragonegg="no"
1518 if test -n "$LLVMGCC" ; then
1519 cp /dev/null conftest.c
1520 $LLVMGCC -fplugin-arg-dragonegg-emit-ir -S -o - conftest.c > /dev/null 2>&1
1521 if test $? -eq 0 ; then
1522 llvm_cv_llvmgcc_dragonegg="yes"
1527 dnl Set the flags needed to emit LLVM IR and to disable optimizations
1529 if test "$llvm_cv_llvmgcc_dragonegg" = "yes" ; then
1530 LLVMCC_EMITIR_FLAG="-fplugin-arg-dragonegg-emit-ir"
1531 LLVMCC_DISABLEOPT_FLAGS="-fplugin-arg-dragonegg-disable-llvm-optzns"
1533 LLVMCC_EMITIR_FLAG="-emit-llvm"
1534 LLVMCC_DISABLEOPT_FLAGS="-mllvm -disable-llvm-optzns"
1537 AC_SUBST(LLVMCC_EMITIR_FLAG)
1539 dnl See if the llvm-gcc executable can compile to LLVM assembly
1540 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1541 [llvm_cv_llvmgcc_sanity="no"
1542 if test -n "$LLVMGCC" ; then
1543 cp /dev/null conftest.c
1544 $LLVMGCC "$LLVMCC_EMITIR_FLAG" -S -o - conftest.c | \
1545 grep 'target datalayout =' > /dev/null 2>&1
1546 if test $? -eq 0 ; then
1547 llvm_cv_llvmgcc_sanity="yes"
1552 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1553 dnl Furthermore, add some information about the tools
1554 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1555 AC_MSG_CHECKING([llvm-gcc component support])
1556 llvmcc1path=`$LLVMGCC --print-prog-name=cc1`
1557 AC_SUBST(LLVMCC1,$llvmcc1path)
1558 llvmcc1pluspath=`$LLVMGCC --print-prog-name=cc1plus`
1559 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1560 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1561 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1562 llvmgcclangs=[`$LLVMGCC -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1563 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1564 AC_SUBST(LLVMGCC_DRAGONEGG,$llvm_cv_llvmgcc_dragonegg)
1565 AC_SUBST(LLVMCC_DISABLEOPT_FLAGS)
1569 dnl Propagate the shared library extension that the libltdl checks did to
1570 dnl the Makefiles so we can use it there too
1571 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1573 dnl Propagate the run-time library path variable that the libltdl
1574 dnl checks found to the Makefiles so we can use it there too
1575 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1577 # Translate the various configuration directories and other basic
1578 # information into substitutions that will end up in Makefile.config.in
1579 # that these configured values can be used by the makefiles
1580 if test "${prefix}" = "NONE" ; then
1583 eval LLVM_PREFIX="${prefix}";
1584 eval LLVM_BINDIR="${prefix}/bin";
1585 eval LLVM_LIBDIR="${prefix}/lib";
1586 eval LLVM_DATADIR="${prefix}/share/llvm";
1587 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1588 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1589 eval LLVM_INCLUDEDIR="${prefix}/include";
1590 eval LLVM_INFODIR="${prefix}/info";
1591 eval LLVM_MANDIR="${prefix}/man";
1592 LLVM_CONFIGTIME=`date`
1593 AC_SUBST(LLVM_PREFIX)
1594 AC_SUBST(LLVM_BINDIR)
1595 AC_SUBST(LLVM_LIBDIR)
1596 AC_SUBST(LLVM_DATADIR)
1597 AC_SUBST(LLVM_DOCSDIR)
1598 AC_SUBST(LLVM_ETCDIR)
1599 AC_SUBST(LLVM_INCLUDEDIR)
1600 AC_SUBST(LLVM_INFODIR)
1601 AC_SUBST(LLVM_MANDIR)
1602 AC_SUBST(LLVM_CONFIGTIME)
1604 # Place the various directores into the config.h file as #defines so that we
1605 # can know about the installation paths within LLVM.
1606 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1607 [Installation prefix directory])
1608 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1609 [Installation directory for binary executables])
1610 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1611 [Installation directory for libraries])
1612 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1613 [Installation directory for data files])
1614 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1615 [Installation directory for documentation])
1616 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1617 [Installation directory for config files])
1618 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1619 [Installation directory for include files])
1620 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1621 [Installation directory for .info files])
1622 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1623 [Installation directory for man pages])
1624 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1625 [Time at which LLVM was configured])
1626 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1627 [Host triple we were built on])
1629 # Determine which bindings to build.
1630 if test "$BINDINGS_TO_BUILD" = auto ; then
1631 BINDINGS_TO_BUILD=""
1632 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1633 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1636 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1638 # This isn't really configurey, but it avoids having to repeat the list in
1640 AC_SUBST(ALL_BINDINGS,ocaml)
1642 # Do any work necessary to ensure that bindings have what they need.
1643 binding_prereqs_failed=0
1644 for a_binding in $BINDINGS_TO_BUILD ; do
1645 case "$a_binding" in
1647 if test "x$OCAMLC" = x ; then
1648 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1649 binding_prereqs_failed=1
1651 if test "x$OCAMLDEP" = x ; then
1652 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1653 binding_prereqs_failed=1
1655 if test "x$OCAMLOPT" = x ; then
1656 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1657 dnl ocamlopt is optional!
1659 if test "x$with_ocaml_libdir" != xauto ; then
1660 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1662 ocaml_stdlib="`"$OCAMLC" -where`"
1663 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1665 # ocaml stdlib is beneath our prefix; use stdlib
1666 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1668 # ocaml stdlib is outside our prefix; use libdir/ocaml
1669 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1675 if test "$binding_prereqs_failed" = 1 ; then
1676 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1679 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1680 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1682 dnl Determine linker rpath flag
1683 if test "$llvm_cv_link_use_r" = "yes" ; then
1690 dnl Determine linker rdynamic flag
1691 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1692 RDYNAMIC="-Wl,-export-dynamic"
1698 dnl===-----------------------------------------------------------------------===
1700 dnl=== SECTION 10: Specify the output files and generate it
1702 dnl===-----------------------------------------------------------------------===
1704 dnl Configure header files
1705 dnl WARNING: dnl If you add or remove any of the following config headers, then
1706 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1707 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1708 dnl files can be updated automatically when their *.in sources change.
1709 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1710 AH_TOP([#ifndef CONFIG_H
1714 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1715 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1716 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1717 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1718 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1720 dnl Configure the makefile's configuration data
1721 AC_CONFIG_FILES([Makefile.config])
1723 dnl Configure the RPM spec file for LLVM
1724 AC_CONFIG_FILES([llvm.spec])
1726 dnl Configure llvmc's Base plugin
1727 AC_CONFIG_FILES([tools/llvmc/src/Base.td])
1729 dnl Do the first stage of configuration for llvm-config.in.
1730 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1732 dnl Do special configuration of Makefiles
1733 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1734 AC_CONFIG_MAKEFILE(Makefile)
1735 AC_CONFIG_MAKEFILE(Makefile.common)
1736 AC_CONFIG_MAKEFILE(examples/Makefile)
1737 AC_CONFIG_MAKEFILE(lib/Makefile)
1738 AC_CONFIG_MAKEFILE(runtime/Makefile)
1739 AC_CONFIG_MAKEFILE(test/Makefile)
1740 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1741 AC_CONFIG_MAKEFILE(unittests/Makefile)
1742 AC_CONFIG_MAKEFILE(tools/Makefile)
1743 AC_CONFIG_MAKEFILE(utils/Makefile)
1744 AC_CONFIG_MAKEFILE(projects/Makefile)
1745 AC_CONFIG_MAKEFILE(bindings/Makefile)
1746 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1748 dnl Finally, crank out the output