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 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
661 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
662 [LLVM name for the native Target init function, if available])
663 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
664 [LLVM name for the native TargetInfo init function, if available])
665 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
666 [LLVM name for the native AsmPrinter init function, if available])
667 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
668 [LLVM name for the native AsmParser init function, if available])
672 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
673 # target feature def files.
675 LLVM_ENUM_ASM_PRINTERS=""
676 LLVM_ENUM_ASM_PARSERS=""
677 LLVM_ENUM_DISASSEMBLERS=""
678 for target_to_build in $TARGETS_TO_BUILD; do
679 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
680 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
681 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
683 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
684 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
686 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
687 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
690 AC_SUBST(LLVM_ENUM_TARGETS)
691 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
692 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
693 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
695 dnl Prevent the CBackend from using printf("%a") for floating point so older
696 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
697 dnl can still compile the CBE's output
698 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
699 [Enable C Backend output with hex floating point via %a (default is YES)]),,
702 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
703 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
704 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
705 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
707 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
708 [Define if CBE is enabled for printf %a output])
710 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
711 AC_ARG_WITH(llvmgccdir,
712 AS_HELP_STRING([--with-llvmgccdir],
713 [Specify location of llvm-gcc install dir (default searches PATH)]),,
716 default) WITH_LLVMGCCDIR=default ;;
717 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
718 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
721 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
723 AS_HELP_STRING([--with-llvmgcc],
724 [Specify location of llvm-gcc driver (default searches PATH)]),
725 LLVMGCC=$with_llvmgcc
728 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
730 AS_HELP_STRING([--with-llvmgxx],
731 [Specify location of llvm-g++ driver (default searches PATH)]),
732 LLVMGXX=$with_llvmgxx
735 if test -n "$LLVMGCC"; then
736 LLVMGCCCOMMAND="$LLVMGCC"
739 if test -n "$LLVMGXX"; then
740 LLVMGXXCOMMAND="$LLVMGXX"
743 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
744 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
747 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
748 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
751 dnl Allow a specific Clang compiler to be used with this LLVM config.
753 AS_HELP_STRING([--with-clang],
754 [Specify location of clang compiler (default is --with-built-clang)]),
755 [],[with_clang=default])
757 dnl Enable use of the built Clang.
758 AC_ARG_WITH(built-clang,
759 AS_HELP_STRING([--with-built-clang],
760 [Use the compiled Clang as the LLVM compiler (default=check)]),
761 [],[with_built_clang=check])
763 dnl Select the Clang compiler option.
765 dnl If --with-clang is given, always honor that; otherwise honor
766 dnl --with-built-clang, or check if we have the clang sources.
767 AC_MSG_CHECKING([clang compiler])
770 if test "$with_clang" != "default"; then
771 WITH_CLANGPATH="$with_clang"
772 if ! test -x "$WITH_CLANGPATH"; then
773 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
775 elif test "$with_built_clang" = "yes"; then
777 elif test "$with_built_clang" = "no"; then
780 if test "$with_built_clang" != "check"; then
781 AC_MSG_ERROR([invalid value for --with-built-clang.])
784 if test -f ${srcdir}/tools/clang/README.txt; then
789 if ! test -z "$WITH_CLANGPATH"; then
790 AC_MSG_RESULT([$WITH_CLANGPATH])
791 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
792 elif test "$WITH_BUILT_CLANG" = "1"; then
793 AC_MSG_RESULT([built])
795 AC_MSG_RESULT([none])
797 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
798 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
799 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
801 dnl Override the option to use for optimized builds.
802 AC_ARG_WITH(optimize-option,
803 AS_HELP_STRING([--with-optimize-option],
804 [Select the compiler options to use for optimized builds]),,
806 AC_MSG_CHECKING([optimization flags])
809 case "$llvm_cv_os_type" in
810 FreeBSD) optimize_option=-O2 ;;
811 MingW) optimize_option=-O2 ;;
812 *) optimize_option=-O3 ;;
814 *) optimize_option="$withval" ;;
816 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
817 AC_MSG_RESULT([$optimize_option])
819 dnl Specify extra build options
820 AC_ARG_WITH(extra-options,
821 AS_HELP_STRING([--with-extra-options],
822 [Specify additional options to compile LLVM with]),,
825 default) EXTRA_OPTIONS= ;;
826 *) EXTRA_OPTIONS=$withval ;;
828 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
830 dnl Allow specific bindings to be specified for building (or not)
831 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
832 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
836 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
837 all ) BINDINGS_TO_BUILD="ocaml" ;;
838 none | no) BINDINGS_TO_BUILD="" ;;
839 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
841 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
842 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
848 dnl Allow the ocaml libdir to be overridden. This could go in a configure
849 dnl script for bindings/ocaml/configure, except that its auto value depends on
850 dnl OCAMLC, which is found here to support tests.
851 AC_ARG_WITH([ocaml-libdir],
852 [AS_HELP_STRING([--with-ocaml-libdir],
853 [Specify install location for ocaml bindings (default is stdlib)])],
857 auto) with_ocaml_libdir="$withval" ;;
858 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
859 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
862 AC_ARG_WITH(clang-resource-dir,
863 AS_HELP_STRING([--with-clang-resource-dir],
864 [Relative directory from the Clang binary for resource files]),,
866 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
867 [Relative directory for resource files])
869 AC_ARG_WITH(c-include-dirs,
870 AS_HELP_STRING([--with-c-include-dirs],
871 [Colon separated list of directories clang will search for headers]),,
873 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
874 [Directories clang will search for headers])
876 AC_ARG_WITH(cxx-include-root,
877 AS_HELP_STRING([--with-cxx-include-root],
878 [Directory with the libstdc++ headers.]),,
880 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
881 [Directory with the libstdc++ headers.])
883 AC_ARG_WITH(cxx-include-arch,
884 AS_HELP_STRING([--with-cxx-include-arch],
885 [Architecture of the libstdc++ headers.]),,
887 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
888 [Arch the libstdc++ headers.])
890 AC_ARG_WITH(cxx-include-32bit-dir,
891 AS_HELP_STRING([--with-cxx-include-32bit-dir],
892 [32 bit multilib dir.]),,
894 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
895 [32 bit multilib directory.])
897 AC_ARG_WITH(cxx-include-64bit-dir,
898 AS_HELP_STRING([--with-cxx-include-64bit-dir],
899 [64 bit multilib directory.]),,
901 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
902 [64 bit multilib directory.])
904 dnl Allow linking of LLVM with GPLv3 binutils code.
905 AC_ARG_WITH(binutils-include,
906 AS_HELP_STRING([--with-binutils-include],
907 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
910 default) WITH_BINUTILS_INCDIR=default ;;
911 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
912 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
914 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
915 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
916 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
917 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
918 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
922 dnl --enable-libffi : check whether the user wants to turn off libffi:
923 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
924 --enable-libffi,[Check for the presence of libffi (default is NO)]),
925 [case "$enableval" in
926 yes) llvm_cv_enable_libffi="yes" ;;
927 no) llvm_cv_enable_libffi="no" ;;
928 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
930 llvm_cv_enable_libffi=no)
932 dnl===-----------------------------------------------------------------------===
934 dnl=== SECTION 4: Check for programs we need and that they are the right version
936 dnl===-----------------------------------------------------------------------===
938 dnl Check for compilation tools
946 dnl Check for the tools that the makefiles require
949 AC_PATH_PROG(CMP, [cmp], [cmp])
950 AC_PATH_PROG(CP, [cp], [cp])
951 AC_PATH_PROG(DATE, [date], [date])
952 AC_PATH_PROG(FIND, [find], [find])
953 AC_PATH_PROG(GREP, [grep], [grep])
954 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
955 AC_PATH_PROG(MV, [mv], [mv])
957 AC_CHECK_TOOL(AR, ar, false)
958 AC_PATH_PROG(RM, [rm], [rm])
959 AC_PATH_PROG(SED, [sed], [sed])
960 AC_PATH_PROG(TAR, [tar], [gtar])
961 AC_PATH_PROG(BINPWD,[pwd], [pwd])
963 dnl Looking for misc. graph plotting software
964 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
965 if test "$GRAPHVIZ" != "echo Graphviz" ; then
966 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
967 dnl If we're targeting for mingw we should emit windows paths, not msys
968 if test "$llvm_cv_os_type" = "MingW" ; then
969 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
971 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
972 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
974 AC_PATH_PROG(DOT, [dot], [echo dot])
975 if test "$DOT" != "echo dot" ; then
976 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
977 dnl If we're targeting for mingw we should emit windows paths, not msys
978 if test "$llvm_cv_os_type" = "MingW" ; then
979 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
981 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
982 [Define to path to dot program if found or 'echo dot' otherwise])
984 AC_PATH_PROG(FDP, [fdp], [echo fdp])
985 if test "$FDP" != "echo fdp" ; then
986 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
987 dnl If we're targeting for mingw we should emit windows paths, not msys
988 if test "$llvm_cv_os_type" = "MingW" ; then
989 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
991 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
992 [Define to path to fdp program if found or 'echo fdp' otherwise])
994 AC_PATH_PROG(NEATO, [neato], [echo neato])
995 if test "$NEATO" != "echo neato" ; then
996 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
997 dnl If we're targeting for mingw we should emit windows paths, not msys
998 if test "$llvm_cv_os_type" = "MingW" ; then
999 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1001 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1002 [Define to path to neato program if found or 'echo neato' otherwise])
1004 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1005 if test "$TWOPI" != "echo twopi" ; then
1006 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1007 dnl If we're targeting for mingw we should emit windows paths, not msys
1008 if test "$llvm_cv_os_type" = "MingW" ; then
1009 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1011 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1012 [Define to path to twopi program if found or 'echo twopi' otherwise])
1014 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1015 if test "$CIRCO" != "echo circo" ; then
1016 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1017 dnl If we're targeting for mingw we should emit windows paths, not msys
1018 if test "$llvm_cv_os_type" = "MingW" ; then
1019 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1021 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1022 [Define to path to circo program if found or 'echo circo' otherwise])
1024 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1025 if test "$GV" != "echo gv" ; then
1026 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1027 dnl If we're targeting for mingw we should emit windows paths, not msys
1028 if test "$llvm_cv_os_type" = "MingW" ; then
1029 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1031 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1032 [Define to path to gv program if found or 'echo gv' otherwise])
1034 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1035 if test "$DOTTY" != "echo dotty" ; then
1036 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1037 dnl If we're targeting for mingw we should emit windows paths, not msys
1038 if test "$llvm_cv_os_type" = "MingW" ; then
1039 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1041 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1042 [Define to path to dotty program if found or 'echo dotty' otherwise])
1044 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1045 if test "$XDOT_PY" != "echo xdot.py" ; then
1046 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1047 dnl If we're targeting for mingw we should emit windows paths, not msys
1048 if test "$llvm_cv_os_type" = "MingW" ; then
1049 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1051 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1052 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1055 dnl Look for a sufficiently recent version of Perl.
1056 LLVM_PROG_PERL([5.006])
1058 if test x"$PERL" = xnone; then
1059 AC_SUBST(HAVE_PERL,0)
1060 AC_MSG_ERROR([perl is required but was not found, please install it])
1062 AC_SUBST(HAVE_PERL,1)
1065 dnl Find the install program
1067 dnl Prepend src dir to install path dir if it's a relative path
1068 dnl This is a hack for installs that take place in something other
1069 dnl than the top level.
1071 [[\\/$]]* | ?:[[\\/]]* ) ;;
1072 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1075 dnl Checks for documentation and testing tools that we can do without. If these
1076 dnl are not found then they are set to "true" which always succeeds but does
1077 dnl nothing. This just lets the build output show that we could have done
1078 dnl something if the tool was available.
1079 AC_PATH_PROG(BZIP2, [bzip2])
1080 AC_PATH_PROG(CAT, [cat])
1081 AC_PATH_PROG(DOXYGEN, [doxygen])
1082 AC_PATH_PROG(GROFF, [groff])
1083 AC_PATH_PROG(GZIPBIN, [gzip])
1084 AC_PATH_PROG(POD2HTML, [pod2html])
1085 AC_PATH_PROG(POD2MAN, [pod2man])
1086 AC_PATH_PROG(PDFROFF, [pdfroff])
1087 AC_PATH_PROG(RUNTEST, [runtest])
1089 AC_PATH_PROG(ZIP, [zip])
1090 AC_PATH_PROGS(OCAMLC, [ocamlc])
1091 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1092 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1093 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1094 AC_PATH_PROGS(GAS, [gas as])
1096 dnl Get the version of the linker in use.
1099 dnl Determine whether the linker supports the -R option.
1102 dnl Determine whether the linker supports the -export-dynamic option.
1103 AC_LINK_EXPORT_DYNAMIC
1105 dnl Determine whether the linker supports the --version-script option.
1106 AC_LINK_VERSION_SCRIPT
1108 dnl Check for libtool and the library that has dlopen function (which must come
1109 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1114 if test "$WITH_LLVMGCCDIR" = "default" ; then
1115 LLVMGCC="llvm-gcc${EXEEXT}"
1116 LLVMGXX="llvm-g++${EXEEXT}"
1117 LLVMGCCCOMMAND="$LLVMGCC"
1118 LLVMGXXCOMMAND="$LLVMGXX"
1119 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1120 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1121 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
1122 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
1124 if test -z "$LLVMGCC"; then
1125 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
1126 LLVMGCCCOMMAND="$LLVMGCC"
1128 if test -z "$LLVMGXX"; then
1129 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
1130 LLVMGXXCOMMAND="$LLVMGXX"
1133 AC_SUBST(LLVMGCC,$LLVMGCC)
1134 AC_SUBST(LLVMGXX,$LLVMGXX)
1135 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1136 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1139 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1140 dnl found, otherwise clang if available.
1142 AS_HELP_STRING([--with-llvmcc=<name>],
1143 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1144 [],[with_llvmcc=check])
1145 AC_MSG_CHECKING([LLVM capable compiler])
1146 if test "$with_llvmcc" != "check"; then
1147 if (test "$with_llvmcc" != "llvm-gcc" &&
1148 test "$with_llvmcc" != "clang" &&
1149 test "$with_llvmcc" != "none"); then
1150 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1152 WITH_LLVMCC="$with_llvmcc"
1153 elif test -n "$LLVMGCC"; then
1154 WITH_LLVMCC=llvm-gcc
1155 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1160 AC_MSG_RESULT([$WITH_LLVMCC])
1161 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1163 AC_MSG_CHECKING([tool compatibility])
1165 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1166 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1167 dnl to support those options.
1168 dnl "icc" emits gcc signatures
1169 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1181 if test "$GCC" != "yes" && test "$ICC" != "yes"
1183 AC_MSG_ERROR([gcc|icc required but not found])
1186 dnl Ensure that compilation tools are compatible with GCC extensions
1187 if test "$GXX" != "yes" && test "$IXX" != "yes"
1189 AC_MSG_ERROR([g++|clang++|icc required but not found])
1192 dnl Verify that GCC is version 3.0 or higher
1193 if test "$GCC" = "yes"
1195 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1196 #error Unsupported GCC version
1198 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1201 dnl Check for GNU Make. We use its extensions, so don't build without it
1202 if test -z "$llvm_cv_gnu_make_command"
1204 AC_MSG_ERROR([GNU Make required but not found])
1207 dnl Tool compatibility is okay if we make it here.
1210 dnl Check optional compiler flags.
1211 AC_MSG_CHECKING([optional compiler flags])
1212 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1213 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1214 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1216 dnl===-----------------------------------------------------------------------===
1218 dnl=== SECTION 5: Check for libraries
1220 dnl===-----------------------------------------------------------------------===
1223 if test "$llvm_cv_os_type" = "MingW" ; then
1224 AC_CHECK_LIB(imagehlp, main)
1225 AC_CHECK_LIB(psapi, main)
1228 dnl dlopen() is required for plugin support.
1229 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1230 [Define if dlopen() is available on this platform.]),
1231 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1233 dnl libffi is optional; used to call external functions from the interpreter
1234 if test "$llvm_cv_enable_libffi" = "yes" ; then
1235 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1236 [Define if libffi is available on this platform.]),
1237 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1240 dnl mallinfo is optional; the code can compile (minus features) without it
1241 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1242 [Define if mallinfo() is available on this platform.]))
1244 dnl pthread locking functions are optional - but llvm will not be thread-safe
1246 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1247 AC_CHECK_LIB(pthread, pthread_mutex_init)
1248 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1249 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1250 [Have pthread_mutex_lock]))
1251 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1252 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1253 [Have pthread_rwlock_init]))
1254 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1255 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1256 [Have pthread_getspecific]))
1259 dnl Allow extra x86-disassembler library
1261 AS_HELP_STRING([--with-udis86=<path>],
1262 [Use udis86 external x86 disassembler library]),
1264 AC_SUBST(USE_UDIS86, [1])
1267 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1269 AC_CHECK_LIB(udis86, ud_init, [], [
1270 echo "Error! You need to have libudis86 around."
1274 AC_SUBST(USE_UDIS86, [0]))
1275 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1276 [Define if use udis86 library])
1278 dnl Allow OProfile support for JIT output.
1279 AC_ARG_WITH(oprofile,
1280 AS_HELP_STRING([--with-oprofile=<prefix>],
1281 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1283 AC_SUBST(USE_OPROFILE, [1])
1285 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1287 AC_SUBST(USE_OPROFILE, [0]) ;;
1288 *) llvm_cv_oppath="${withval}/lib/oprofile"
1289 CPPFLAGS="-I${withval}/include";;
1291 if test -n "$llvm_cv_oppath" ; then
1292 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1293 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1294 dnl libbfd is not included properly in libopagent in some Debian
1295 dnl versions. If libbfd isn't found at all, we assume opagent works
1297 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1298 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1299 echo "Error! You need to have libopagent around."
1302 AC_CHECK_HEADER([opagent.h], [], [
1303 echo "Error! You need to have opagent.h around."
1309 AC_SUBST(USE_OPROFILE, [0])
1311 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1312 [Define if we have the oprofile JIT-support library])
1314 dnl===-----------------------------------------------------------------------===
1316 dnl=== SECTION 6: Check for header files
1318 dnl===-----------------------------------------------------------------------===
1320 dnl First, use autoconf provided macros for specific headers that we need
1321 dnl We don't check for ancient stuff or things that are guaranteed to be there
1322 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1323 dnl Generally we're looking for POSIX headers.
1325 AC_HEADER_MMAP_ANONYMOUS
1331 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1332 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1333 AC_CHECK_HEADERS([utime.h windows.h])
1334 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1335 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1336 AC_CHECK_HEADERS([valgrind/valgrind.h])
1337 AC_CHECK_HEADERS([fenv.h])
1338 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1339 AC_CHECK_HEADERS(pthread.h,
1340 AC_SUBST(HAVE_PTHREAD, 1),
1341 AC_SUBST(HAVE_PTHREAD, 0))
1343 AC_SUBST(HAVE_PTHREAD, 0)
1346 dnl Try to find ffi.h.
1347 if test "$llvm_cv_enable_libffi" = "yes" ; then
1348 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1351 dnl Try to find Darwin specific crash reporting libraries.
1352 AC_CHECK_HEADERS([CrashReporterClient.h])
1354 dnl Try to find Darwin specific crash reporting global.
1355 AC_MSG_CHECKING([__crashreporter_info__])
1358 [[extern const char *__crashreporter_info__;
1360 __crashreporter_info__ = "test";
1365 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1367 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1368 Define if __crashreporter_info__ exists.))
1370 dnl===-----------------------------------------------------------------------===
1372 dnl=== SECTION 7: Check for types and structures
1374 dnl===-----------------------------------------------------------------------===
1379 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1381 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1382 AC_CHECK_TYPES([uint64_t],,
1383 AC_CHECK_TYPES([u_int64_t],,
1384 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1386 dnl===-----------------------------------------------------------------------===
1388 dnl=== SECTION 8: Check for specific functions needed
1390 dnl===-----------------------------------------------------------------------===
1392 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1393 AC_CHECK_FUNCS([powf fmodf strtof round ])
1394 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1395 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1396 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1397 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1398 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1399 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1403 dnl Check the declaration "Secure API" on Windows environments.
1404 AC_CHECK_DECLS([strerror_s])
1406 dnl Check symbols in libgcc.a for JIT on Mingw.
1407 if test "$llvm_cv_os_type" = "MingW" ; then
1408 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1409 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1410 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1411 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1413 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1414 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1415 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1416 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1417 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1418 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1419 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1420 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1421 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1422 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1424 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1425 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1428 dnl Check for variations in the Standard C++ library and STL. These macros are
1429 dnl provided by LLVM in the autoconf/m4 directory.
1433 dnl Check for mmap support.We also need to know if /dev/zero is required to
1434 dnl be opened for allocating RWX memory.
1435 dnl Make sure we aren't attempting to configure for an unknown system
1436 if test "$llvm_cv_platform_type" = "Unix" ; then
1439 AC_NEED_DEV_ZERO_FOR_MMAP
1441 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1443 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1445 if test "$ac_cv_func_mmap_file" = "no"
1447 AC_MSG_WARN([mmap() of files required but not found])
1451 dnl atomic builtins are required for threading support.
1452 AC_MSG_CHECKING(for GCC atomic builtins)
1453 dnl Since we'll be using these atomic builtins in C++ files we should test
1454 dnl the C++ compiler.
1459 volatile unsigned long val = 1;
1460 __sync_synchronize();
1461 __sync_val_compare_and_swap(&val, 1, 0);
1462 __sync_add_and_fetch(&val, 1);
1463 __sync_sub_and_fetch(&val, 1);
1469 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1471 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1472 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1474 dnl===-----------------------------------------------------------------------===
1476 dnl=== SECTION 9: Additional checks, variables, etc.
1478 dnl===-----------------------------------------------------------------------===
1480 dnl Handle 32-bit linux systems running a 64-bit kernel.
1481 dnl This has to come after section 4 because it invokes the compiler.
1482 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1484 if test "$llvm_cv_linux_mixed" = "yes"; then
1485 llvm_cv_target_arch="x86"
1490 dnl Check, whether __dso_handle is present
1491 AC_CHECK_FUNCS([__dso_handle])
1493 dnl Check wether llvm-gcc is based on dragonegg
1494 AC_CACHE_CHECK([whether llvm-gcc is dragonegg],[llvm_cv_llvmgcc_dragonegg],
1495 [llvm_cv_llvmgcc_dragonegg="no"
1496 if test -n "$LLVMGCC" ; then
1497 cp /dev/null conftest.c
1498 $LLVMGCC -fplugin-arg-dragonegg-emit-ir -S -o - conftest.c > /dev/null 2>&1
1499 if test $? -eq 0 ; then
1500 llvm_cv_llvmgcc_dragonegg="yes"
1505 dnl Set the flags needed to emit LLVM IR and to disable optimizations
1507 if test "$llvm_cv_llvmgcc_dragonegg" = "yes" ; then
1508 LLVMCC_EMITIR_FLAG="-fplugin-arg-dragonegg-emit-ir"
1509 LLVMCC_DISABLEOPT_FLAGS="-fplugin-arg-dragonegg-disable-llvm-optzns"
1511 LLVMCC_EMITIR_FLAG="-emit-llvm"
1512 LLVMCC_DISABLEOPT_FLAGS="-mllvm -disable-llvm-optzns"
1515 AC_SUBST(LLVMCC_EMITIR_FLAG)
1517 dnl See if the llvm-gcc executable can compile to LLVM assembly
1518 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1519 [llvm_cv_llvmgcc_sanity="no"
1520 if test -n "$LLVMGCC" ; then
1521 cp /dev/null conftest.c
1522 $LLVMGCC "$LLVMCC_EMITIR_FLAG" -S -o - conftest.c | \
1523 grep 'target datalayout =' > /dev/null 2>&1
1524 if test $? -eq 0 ; then
1525 llvm_cv_llvmgcc_sanity="yes"
1530 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1531 dnl Furthermore, add some information about the tools
1532 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1533 AC_MSG_CHECKING([llvm-gcc component support])
1534 llvmcc1path=`$LLVMGCC --print-prog-name=cc1`
1535 AC_SUBST(LLVMCC1,$llvmcc1path)
1536 llvmcc1pluspath=`$LLVMGCC --print-prog-name=cc1plus`
1537 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1538 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1539 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1540 llvmgcclangs=[`$LLVMGCC -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1541 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1542 AC_SUBST(LLVMGCC_DRAGONEGG,$llvm_cv_llvmgcc_dragonegg)
1543 AC_SUBST(LLVMCC_DISABLEOPT_FLAGS)
1547 dnl Propagate the shared library extension that the libltdl checks did to
1548 dnl the Makefiles so we can use it there too
1549 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1551 dnl Propagate the run-time library path variable that the libltdl
1552 dnl checks found to the Makefiles so we can use it there too
1553 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1555 # Translate the various configuration directories and other basic
1556 # information into substitutions that will end up in Makefile.config.in
1557 # that these configured values can be used by the makefiles
1558 if test "${prefix}" = "NONE" ; then
1561 eval LLVM_PREFIX="${prefix}";
1562 eval LLVM_BINDIR="${prefix}/bin";
1563 eval LLVM_LIBDIR="${prefix}/lib";
1564 eval LLVM_DATADIR="${prefix}/share/llvm";
1565 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1566 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1567 eval LLVM_INCLUDEDIR="${prefix}/include";
1568 eval LLVM_INFODIR="${prefix}/info";
1569 eval LLVM_MANDIR="${prefix}/man";
1570 LLVM_CONFIGTIME=`date`
1571 AC_SUBST(LLVM_PREFIX)
1572 AC_SUBST(LLVM_BINDIR)
1573 AC_SUBST(LLVM_LIBDIR)
1574 AC_SUBST(LLVM_DATADIR)
1575 AC_SUBST(LLVM_DOCSDIR)
1576 AC_SUBST(LLVM_ETCDIR)
1577 AC_SUBST(LLVM_INCLUDEDIR)
1578 AC_SUBST(LLVM_INFODIR)
1579 AC_SUBST(LLVM_MANDIR)
1580 AC_SUBST(LLVM_CONFIGTIME)
1582 # Place the various directores into the config.h file as #defines so that we
1583 # can know about the installation paths within LLVM.
1584 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1585 [Installation prefix directory])
1586 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1587 [Installation directory for binary executables])
1588 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1589 [Installation directory for libraries])
1590 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1591 [Installation directory for data files])
1592 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1593 [Installation directory for documentation])
1594 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1595 [Installation directory for config files])
1596 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1597 [Installation directory for include files])
1598 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1599 [Installation directory for .info files])
1600 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1601 [Installation directory for man pages])
1602 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1603 [Time at which LLVM was configured])
1604 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1605 [Host triple we were built on])
1607 # Determine which bindings to build.
1608 if test "$BINDINGS_TO_BUILD" = auto ; then
1609 BINDINGS_TO_BUILD=""
1610 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1611 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1614 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1616 # This isn't really configurey, but it avoids having to repeat the list in
1618 AC_SUBST(ALL_BINDINGS,ocaml)
1620 # Do any work necessary to ensure that bindings have what they need.
1621 binding_prereqs_failed=0
1622 for a_binding in $BINDINGS_TO_BUILD ; do
1623 case "$a_binding" in
1625 if test "x$OCAMLC" = x ; then
1626 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1627 binding_prereqs_failed=1
1629 if test "x$OCAMLDEP" = x ; then
1630 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1631 binding_prereqs_failed=1
1633 if test "x$OCAMLOPT" = x ; then
1634 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1635 dnl ocamlopt is optional!
1637 if test "x$with_ocaml_libdir" != xauto ; then
1638 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1640 ocaml_stdlib="`"$OCAMLC" -where`"
1641 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1643 # ocaml stdlib is beneath our prefix; use stdlib
1644 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1646 # ocaml stdlib is outside our prefix; use libdir/ocaml
1647 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1653 if test "$binding_prereqs_failed" = 1 ; then
1654 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1657 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1658 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1660 dnl Determine linker rpath flag
1661 if test "$llvm_cv_link_use_r" = "yes" ; then
1668 dnl Determine linker rdynamic flag
1669 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1670 RDYNAMIC="-Wl,-export-dynamic"
1676 dnl===-----------------------------------------------------------------------===
1678 dnl=== SECTION 10: Specify the output files and generate it
1680 dnl===-----------------------------------------------------------------------===
1682 dnl Configure header files
1683 dnl WARNING: dnl If you add or remove any of the following config headers, then
1684 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1685 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1686 dnl files can be updated automatically when their *.in sources change.
1687 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1688 AH_TOP([#ifndef CONFIG_H
1692 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1693 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1694 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1695 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1696 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1698 dnl Configure the makefile's configuration data
1699 AC_CONFIG_FILES([Makefile.config])
1701 dnl Configure the RPM spec file for LLVM
1702 AC_CONFIG_FILES([llvm.spec])
1704 dnl Configure llvmc's Base plugin
1705 AC_CONFIG_FILES([tools/llvmc/src/Base.td])
1707 dnl Do the first stage of configuration for llvm-config.in.
1708 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1710 dnl Do special configuration of Makefiles
1711 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1712 AC_CONFIG_MAKEFILE(Makefile)
1713 AC_CONFIG_MAKEFILE(Makefile.common)
1714 AC_CONFIG_MAKEFILE(examples/Makefile)
1715 AC_CONFIG_MAKEFILE(lib/Makefile)
1716 AC_CONFIG_MAKEFILE(runtime/Makefile)
1717 AC_CONFIG_MAKEFILE(test/Makefile)
1718 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1719 AC_CONFIG_MAKEFILE(unittests/Makefile)
1720 AC_CONFIG_MAKEFILE(tools/Makefile)
1721 AC_CONFIG_MAKEFILE(utils/Makefile)
1722 AC_CONFIG_MAKEFILE(projects/Makefile)
1723 AC_CONFIG_MAKEFILE(bindings/Makefile)
1724 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1726 dnl Finally, crank out the output