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) 2003-2011 University of Illinois at Urbana-Champaign."])
39 AC_COPYRIGHT([Copyright (c) 2003-2011 University of Illinois at Urbana-Champaign.])
41 dnl Indicate that we require autoconf 2.59 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 Specify extra linker build options
835 AC_ARG_WITH(extra-ld-options,
836 AS_HELP_STRING([--with-extra-ld-options],
837 [Specify additional options to link LLVM with]),,
840 default) EXTRA_LD_OPTIONS= ;;
841 *) EXTRA_LD_OPTIONS=$withval ;;
843 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
845 dnl Allow specific bindings to be specified for building (or not)
846 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
847 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
851 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
852 all ) BINDINGS_TO_BUILD="ocaml" ;;
853 none | no) BINDINGS_TO_BUILD="" ;;
854 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
856 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
857 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
863 dnl Allow the ocaml libdir to be overridden. This could go in a configure
864 dnl script for bindings/ocaml/configure, except that its auto value depends on
865 dnl OCAMLC, which is found here to support tests.
866 AC_ARG_WITH([ocaml-libdir],
867 [AS_HELP_STRING([--with-ocaml-libdir],
868 [Specify install location for ocaml bindings (default is stdlib)])],
872 auto) with_ocaml_libdir="$withval" ;;
873 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
874 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
877 AC_ARG_WITH(clang-resource-dir,
878 AS_HELP_STRING([--with-clang-resource-dir],
879 [Relative directory from the Clang binary for resource files]),,
881 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
882 [Relative directory for resource files])
884 AC_ARG_WITH(c-include-dirs,
885 AS_HELP_STRING([--with-c-include-dirs],
886 [Colon separated list of directories clang will search for headers]),,
888 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
889 [Directories clang will search for headers])
891 AC_ARG_WITH(cxx-include-root,
892 AS_HELP_STRING([--with-cxx-include-root],
893 [Directory with the libstdc++ headers.]),,
895 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
896 [Directory with the libstdc++ headers.])
898 AC_ARG_WITH(cxx-include-arch,
899 AS_HELP_STRING([--with-cxx-include-arch],
900 [Architecture of the libstdc++ headers.]),,
902 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
903 [Arch the libstdc++ headers.])
905 AC_ARG_WITH(cxx-include-32bit-dir,
906 AS_HELP_STRING([--with-cxx-include-32bit-dir],
907 [32 bit multilib dir.]),,
909 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
910 [32 bit multilib directory.])
912 AC_ARG_WITH(cxx-include-64bit-dir,
913 AS_HELP_STRING([--with-cxx-include-64bit-dir],
914 [64 bit multilib directory.]),,
916 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
917 [64 bit multilib directory.])
919 dnl Allow linking of LLVM with GPLv3 binutils code.
920 AC_ARG_WITH(binutils-include,
921 AS_HELP_STRING([--with-binutils-include],
922 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
925 default) WITH_BINUTILS_INCDIR=default ;;
926 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
927 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
929 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
930 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
931 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
932 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
933 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
937 dnl --enable-libffi : check whether the user wants to turn off libffi:
938 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
939 --enable-libffi,[Check for the presence of libffi (default is NO)]),
940 [case "$enableval" in
941 yes) llvm_cv_enable_libffi="yes" ;;
942 no) llvm_cv_enable_libffi="no" ;;
943 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
945 llvm_cv_enable_libffi=no)
947 dnl===-----------------------------------------------------------------------===
949 dnl=== SECTION 4: Check for programs we need and that they are the right version
951 dnl===-----------------------------------------------------------------------===
953 dnl Check for compilation tools
961 dnl Check for the tools that the makefiles require
964 AC_PATH_PROG(CMP, [cmp], [cmp])
965 AC_PATH_PROG(CP, [cp], [cp])
966 AC_PATH_PROG(DATE, [date], [date])
967 AC_PATH_PROG(FIND, [find], [find])
968 AC_PATH_PROG(GREP, [grep], [grep])
969 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
970 AC_PATH_PROG(MV, [mv], [mv])
972 AC_CHECK_TOOL(AR, ar, false)
973 AC_PATH_PROG(RM, [rm], [rm])
974 AC_PATH_PROG(SED, [sed], [sed])
975 AC_PATH_PROG(TAR, [tar], [gtar])
976 AC_PATH_PROG(BINPWD,[pwd], [pwd])
978 dnl Looking for misc. graph plotting software
979 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
980 if test "$GRAPHVIZ" != "echo Graphviz" ; then
981 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
982 dnl If we're targeting for mingw we should emit windows paths, not msys
983 if test "$llvm_cv_os_type" = "MingW" ; then
984 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
986 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
987 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
989 AC_PATH_PROG(DOT, [dot], [echo dot])
990 if test "$DOT" != "echo dot" ; then
991 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
992 dnl If we're targeting for mingw we should emit windows paths, not msys
993 if test "$llvm_cv_os_type" = "MingW" ; then
994 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
996 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
997 [Define to path to dot program if found or 'echo dot' otherwise])
999 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1000 if test "$FDP" != "echo fdp" ; then
1001 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1002 dnl If we're targeting for mingw we should emit windows paths, not msys
1003 if test "$llvm_cv_os_type" = "MingW" ; then
1004 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1006 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1007 [Define to path to fdp program if found or 'echo fdp' otherwise])
1009 AC_PATH_PROG(NEATO, [neato], [echo neato])
1010 if test "$NEATO" != "echo neato" ; then
1011 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1012 dnl If we're targeting for mingw we should emit windows paths, not msys
1013 if test "$llvm_cv_os_type" = "MingW" ; then
1014 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1016 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1017 [Define to path to neato program if found or 'echo neato' otherwise])
1019 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1020 if test "$TWOPI" != "echo twopi" ; then
1021 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1022 dnl If we're targeting for mingw we should emit windows paths, not msys
1023 if test "$llvm_cv_os_type" = "MingW" ; then
1024 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1026 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1027 [Define to path to twopi program if found or 'echo twopi' otherwise])
1029 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1030 if test "$CIRCO" != "echo circo" ; then
1031 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1032 dnl If we're targeting for mingw we should emit windows paths, not msys
1033 if test "$llvm_cv_os_type" = "MingW" ; then
1034 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1036 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1037 [Define to path to circo program if found or 'echo circo' otherwise])
1039 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1040 if test "$GV" != "echo gv" ; then
1041 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1042 dnl If we're targeting for mingw we should emit windows paths, not msys
1043 if test "$llvm_cv_os_type" = "MingW" ; then
1044 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1046 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1047 [Define to path to gv program if found or 'echo gv' otherwise])
1049 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1050 if test "$DOTTY" != "echo dotty" ; then
1051 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1052 dnl If we're targeting for mingw we should emit windows paths, not msys
1053 if test "$llvm_cv_os_type" = "MingW" ; then
1054 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1056 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1057 [Define to path to dotty program if found or 'echo dotty' otherwise])
1059 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1060 if test "$XDOT_PY" != "echo xdot.py" ; then
1061 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1062 dnl If we're targeting for mingw we should emit windows paths, not msys
1063 if test "$llvm_cv_os_type" = "MingW" ; then
1064 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1066 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1067 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1070 dnl Look for a sufficiently recent version of Perl.
1071 LLVM_PROG_PERL([5.006])
1073 if test x"$PERL" = xnone; then
1074 AC_SUBST(HAVE_PERL,0)
1075 AC_MSG_ERROR([perl is required but was not found, please install it])
1077 AC_SUBST(HAVE_PERL,1)
1080 dnl Find the install program
1082 dnl Prepend src dir to install path dir if it's a relative path
1083 dnl This is a hack for installs that take place in something other
1084 dnl than the top level.
1086 [[\\/$]]* | ?:[[\\/]]* ) ;;
1087 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1090 dnl Checks for documentation and testing tools that we can do without. If these
1091 dnl are not found then they are set to "true" which always succeeds but does
1092 dnl nothing. This just lets the build output show that we could have done
1093 dnl something if the tool was available.
1094 AC_PATH_PROG(BZIP2, [bzip2])
1095 AC_PATH_PROG(CAT, [cat])
1096 AC_PATH_PROG(DOXYGEN, [doxygen])
1097 AC_PATH_PROG(GROFF, [groff])
1098 AC_PATH_PROG(GZIPBIN, [gzip])
1099 AC_PATH_PROG(POD2HTML, [pod2html])
1100 AC_PATH_PROG(POD2MAN, [pod2man])
1101 AC_PATH_PROG(PDFROFF, [pdfroff])
1102 AC_PATH_PROG(RUNTEST, [runtest])
1104 AC_PATH_PROG(ZIP, [zip])
1105 AC_PATH_PROGS(OCAMLC, [ocamlc])
1106 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1107 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1108 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1109 AC_PATH_PROGS(GAS, [gas as])
1111 dnl Get the version of the linker in use.
1114 dnl Determine whether the linker supports the -R option.
1117 dnl Determine whether the linker supports the -export-dynamic option.
1118 AC_LINK_EXPORT_DYNAMIC
1120 dnl Determine whether the linker supports the --version-script option.
1121 AC_LINK_VERSION_SCRIPT
1123 dnl Check for libtool and the library that has dlopen function (which must come
1124 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1129 if test "$WITH_LLVMGCCDIR" = "default" ; then
1130 LLVMGCC="llvm-gcc${EXEEXT}"
1131 LLVMGXX="llvm-g++${EXEEXT}"
1132 LLVMGCCCOMMAND="$LLVMGCC"
1133 LLVMGXXCOMMAND="$LLVMGXX"
1134 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1135 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1136 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
1137 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
1139 if test -z "$LLVMGCC"; then
1140 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
1141 LLVMGCCCOMMAND="$LLVMGCC"
1143 if test -z "$LLVMGXX"; then
1144 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
1145 LLVMGXXCOMMAND="$LLVMGXX"
1148 AC_SUBST(LLVMGCC,$LLVMGCC)
1149 AC_SUBST(LLVMGXX,$LLVMGXX)
1150 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1151 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1154 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1155 dnl found, otherwise clang if available.
1157 AS_HELP_STRING([--with-llvmcc=<name>],
1158 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1159 [],[with_llvmcc=check])
1160 AC_MSG_CHECKING([LLVM capable compiler])
1161 if test "$with_llvmcc" != "check"; then
1162 if (test "$with_llvmcc" != "llvm-gcc" &&
1163 test "$with_llvmcc" != "clang" &&
1164 test "$with_llvmcc" != "none"); then
1165 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1167 WITH_LLVMCC="$with_llvmcc"
1168 elif test -n "$LLVMGCC"; then
1169 WITH_LLVMCC=llvm-gcc
1170 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1175 AC_MSG_RESULT([$WITH_LLVMCC])
1176 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1178 AC_MSG_CHECKING([tool compatibility])
1180 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1181 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1182 dnl to support those options.
1183 dnl "icc" emits gcc signatures
1184 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1196 if test "$GCC" != "yes" && test "$ICC" != "yes"
1198 AC_MSG_ERROR([gcc|icc required but not found])
1201 dnl Ensure that compilation tools are compatible with GCC extensions
1202 if test "$GXX" != "yes" && test "$IXX" != "yes"
1204 AC_MSG_ERROR([g++|clang++|icc required but not found])
1207 dnl Verify that GCC is version 3.0 or higher
1208 if test "$GCC" = "yes"
1210 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1211 #error Unsupported GCC version
1213 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1216 dnl Check for GNU Make. We use its extensions, so don't build without it
1217 if test -z "$llvm_cv_gnu_make_command"
1219 AC_MSG_ERROR([GNU Make required but not found])
1222 dnl Tool compatibility is okay if we make it here.
1225 dnl Check optional compiler flags.
1226 AC_MSG_CHECKING([optional compiler flags])
1227 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1228 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1229 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1231 dnl===-----------------------------------------------------------------------===
1233 dnl=== SECTION 5: Check for libraries
1235 dnl===-----------------------------------------------------------------------===
1238 if test "$llvm_cv_os_type" = "MingW" ; then
1239 AC_CHECK_LIB(imagehlp, main)
1240 AC_CHECK_LIB(psapi, main)
1243 dnl dlopen() is required for plugin support.
1244 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1245 [Define if dlopen() is available on this platform.]),
1246 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1248 dnl libffi is optional; used to call external functions from the interpreter
1249 if test "$llvm_cv_enable_libffi" = "yes" ; then
1250 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1251 [Define if libffi is available on this platform.]),
1252 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1255 dnl mallinfo is optional; the code can compile (minus features) without it
1256 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1257 [Define if mallinfo() is available on this platform.]))
1259 dnl pthread locking functions are optional - but llvm will not be thread-safe
1261 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1262 AC_CHECK_LIB(pthread, pthread_mutex_init)
1263 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1264 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1265 [Have pthread_mutex_lock]))
1266 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1267 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1268 [Have pthread_rwlock_init]))
1269 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1270 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1271 [Have pthread_getspecific]))
1274 dnl Allow extra x86-disassembler library
1276 AS_HELP_STRING([--with-udis86=<path>],
1277 [Use udis86 external x86 disassembler library]),
1279 AC_SUBST(USE_UDIS86, [1])
1282 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1284 AC_CHECK_LIB(udis86, ud_init, [], [
1285 echo "Error! You need to have libudis86 around."
1289 AC_SUBST(USE_UDIS86, [0]))
1290 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1291 [Define if use udis86 library])
1293 dnl Allow OProfile support for JIT output.
1294 AC_ARG_WITH(oprofile,
1295 AS_HELP_STRING([--with-oprofile=<prefix>],
1296 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1298 AC_SUBST(USE_OPROFILE, [1])
1300 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1302 AC_SUBST(USE_OPROFILE, [0]) ;;
1303 *) llvm_cv_oppath="${withval}/lib/oprofile"
1304 CPPFLAGS="-I${withval}/include";;
1306 if test -n "$llvm_cv_oppath" ; then
1307 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1308 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1309 dnl libbfd is not included properly in libopagent in some Debian
1310 dnl versions. If libbfd isn't found at all, we assume opagent works
1312 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1313 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1314 echo "Error! You need to have libopagent around."
1317 AC_CHECK_HEADER([opagent.h], [], [
1318 echo "Error! You need to have opagent.h around."
1324 AC_SUBST(USE_OPROFILE, [0])
1326 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1327 [Define if we have the oprofile JIT-support library])
1329 dnl===-----------------------------------------------------------------------===
1331 dnl=== SECTION 6: Check for header files
1333 dnl===-----------------------------------------------------------------------===
1335 dnl First, use autoconf provided macros for specific headers that we need
1336 dnl We don't check for ancient stuff or things that are guaranteed to be there
1337 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1338 dnl Generally we're looking for POSIX headers.
1340 AC_HEADER_MMAP_ANONYMOUS
1346 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1347 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1348 AC_CHECK_HEADERS([utime.h windows.h])
1349 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1350 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1351 AC_CHECK_HEADERS([valgrind/valgrind.h])
1352 AC_CHECK_HEADERS([fenv.h])
1353 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1354 AC_CHECK_HEADERS(pthread.h,
1355 AC_SUBST(HAVE_PTHREAD, 1),
1356 AC_SUBST(HAVE_PTHREAD, 0))
1358 AC_SUBST(HAVE_PTHREAD, 0)
1361 dnl Try to find ffi.h.
1362 if test "$llvm_cv_enable_libffi" = "yes" ; then
1363 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1366 dnl Try to find Darwin specific crash reporting libraries.
1367 AC_CHECK_HEADERS([CrashReporterClient.h])
1369 dnl Try to find Darwin specific crash reporting global.
1370 AC_MSG_CHECKING([__crashreporter_info__])
1373 [[extern const char *__crashreporter_info__;
1375 __crashreporter_info__ = "test";
1380 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1382 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1383 Define if __crashreporter_info__ exists.))
1385 dnl===-----------------------------------------------------------------------===
1387 dnl=== SECTION 7: Check for types and structures
1389 dnl===-----------------------------------------------------------------------===
1394 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1396 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1397 AC_CHECK_TYPES([uint64_t],,
1398 AC_CHECK_TYPES([u_int64_t],,
1399 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1401 dnl===-----------------------------------------------------------------------===
1403 dnl=== SECTION 8: Check for specific functions needed
1405 dnl===-----------------------------------------------------------------------===
1407 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1408 AC_CHECK_FUNCS([powf fmodf strtof round ])
1409 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1410 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1411 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1412 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1413 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1414 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1418 dnl Check the declaration "Secure API" on Windows environments.
1419 AC_CHECK_DECLS([strerror_s])
1421 dnl Check symbols in libgcc.a for JIT on Mingw.
1422 if test "$llvm_cv_os_type" = "MingW" ; then
1423 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1424 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1425 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1426 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1428 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1429 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1430 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1431 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1432 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1433 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1434 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1435 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1436 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1437 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1439 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1440 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1443 dnl Check Win32 API EnumerateLoadedModules.
1444 if test "$llvm_cv_os_type" = "MingW" ; then
1445 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1446 AC_COMPILE_IFELSE([[#include <windows.h>
1447 #include <imagehlp.h>
1448 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1449 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1451 AC_MSG_RESULT([yes])
1452 llvm_cv_win32_elmcb_pcstr="PCSTR"
1456 llvm_cv_win32_elmcb_pcstr="PSTR"
1458 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1461 dnl Check for variations in the Standard C++ library and STL. These macros are
1462 dnl provided by LLVM in the autoconf/m4 directory.
1466 dnl Check for mmap support.We also need to know if /dev/zero is required to
1467 dnl be opened for allocating RWX memory.
1468 dnl Make sure we aren't attempting to configure for an unknown system
1469 if test "$llvm_cv_platform_type" = "Unix" ; then
1472 AC_NEED_DEV_ZERO_FOR_MMAP
1474 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1476 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1478 if test "$ac_cv_func_mmap_file" = "no"
1480 AC_MSG_WARN([mmap() of files required but not found])
1484 dnl atomic builtins are required for threading support.
1485 AC_MSG_CHECKING(for GCC atomic builtins)
1486 dnl Since we'll be using these atomic builtins in C++ files we should test
1487 dnl the C++ compiler.
1492 volatile unsigned long val = 1;
1493 __sync_synchronize();
1494 __sync_val_compare_and_swap(&val, 1, 0);
1495 __sync_add_and_fetch(&val, 1);
1496 __sync_sub_and_fetch(&val, 1);
1502 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1504 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1505 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1507 dnl===-----------------------------------------------------------------------===
1509 dnl=== SECTION 9: Additional checks, variables, etc.
1511 dnl===-----------------------------------------------------------------------===
1513 dnl Handle 32-bit linux systems running a 64-bit kernel.
1514 dnl This has to come after section 4 because it invokes the compiler.
1515 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1517 if test "$llvm_cv_linux_mixed" = "yes"; then
1518 llvm_cv_target_arch="x86"
1523 dnl Check, whether __dso_handle is present
1524 AC_CHECK_FUNCS([__dso_handle])
1526 dnl Check wether llvm-gcc is based on dragonegg
1527 AC_CACHE_CHECK([whether llvm-gcc is dragonegg],[llvm_cv_llvmgcc_dragonegg],
1528 [llvm_cv_llvmgcc_dragonegg="no"
1529 if test -n "$LLVMGCC" ; then
1530 cp /dev/null conftest.c
1531 $LLVMGCC -fplugin-arg-dragonegg-emit-ir -S -o - conftest.c > /dev/null 2>&1
1532 if test $? -eq 0 ; then
1533 llvm_cv_llvmgcc_dragonegg="yes"
1538 dnl Set the flags needed to emit LLVM IR and to disable optimizations
1540 if test "$llvm_cv_llvmgcc_dragonegg" = "yes" ; then
1541 LLVMCC_EMITIR_FLAG="-fplugin-arg-dragonegg-emit-ir"
1542 LLVMCC_DISABLEOPT_FLAGS="-fplugin-arg-dragonegg-llvm-ir-optimize=0"
1544 LLVMCC_EMITIR_FLAG="-emit-llvm"
1545 LLVMCC_DISABLEOPT_FLAGS="-mllvm -disable-llvm-optzns"
1548 AC_SUBST(LLVMCC_EMITIR_FLAG)
1550 dnl See if the llvm-gcc executable can compile to LLVM assembly
1551 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1552 [llvm_cv_llvmgcc_sanity="no"
1553 if test -n "$LLVMGCC" ; then
1554 cp /dev/null conftest.c
1555 $LLVMGCC "$LLVMCC_EMITIR_FLAG" -S -o - conftest.c | \
1556 grep 'target datalayout =' > /dev/null 2>&1
1557 if test $? -eq 0 ; then
1558 llvm_cv_llvmgcc_sanity="yes"
1563 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1564 dnl Furthermore, add some information about the tools
1565 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1566 AC_MSG_CHECKING([llvm-gcc component support])
1567 llvmcc1path=`$LLVMGCC --print-prog-name=cc1`
1568 AC_SUBST(LLVMCC1,$llvmcc1path)
1569 llvmcc1pluspath=`$LLVMGCC --print-prog-name=cc1plus`
1570 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1571 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1572 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1573 llvmgcclangs=[`$LLVMGCC -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1574 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1575 AC_SUBST(LLVMGCC_DRAGONEGG,$llvm_cv_llvmgcc_dragonegg)
1576 AC_SUBST(LLVMCC_DISABLEOPT_FLAGS)
1580 dnl Propagate the shared library extension that the libltdl checks did to
1581 dnl the Makefiles so we can use it there too
1582 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1584 dnl Propagate the run-time library path variable that the libltdl
1585 dnl checks found to the Makefiles so we can use it there too
1586 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1588 # Translate the various configuration directories and other basic
1589 # information into substitutions that will end up in Makefile.config.in
1590 # that these configured values can be used by the makefiles
1591 if test "${prefix}" = "NONE" ; then
1594 eval LLVM_PREFIX="${prefix}";
1595 eval LLVM_BINDIR="${prefix}/bin";
1596 eval LLVM_LIBDIR="${prefix}/lib";
1597 eval LLVM_DATADIR="${prefix}/share/llvm";
1598 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1599 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1600 eval LLVM_INCLUDEDIR="${prefix}/include";
1601 eval LLVM_INFODIR="${prefix}/info";
1602 eval LLVM_MANDIR="${prefix}/man";
1603 LLVM_CONFIGTIME=`date`
1604 AC_SUBST(LLVM_PREFIX)
1605 AC_SUBST(LLVM_BINDIR)
1606 AC_SUBST(LLVM_LIBDIR)
1607 AC_SUBST(LLVM_DATADIR)
1608 AC_SUBST(LLVM_DOCSDIR)
1609 AC_SUBST(LLVM_ETCDIR)
1610 AC_SUBST(LLVM_INCLUDEDIR)
1611 AC_SUBST(LLVM_INFODIR)
1612 AC_SUBST(LLVM_MANDIR)
1613 AC_SUBST(LLVM_CONFIGTIME)
1615 # Place the various directores into the config.h file as #defines so that we
1616 # can know about the installation paths within LLVM.
1617 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1618 [Installation prefix directory])
1619 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1620 [Installation directory for binary executables])
1621 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1622 [Installation directory for libraries])
1623 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1624 [Installation directory for data files])
1625 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1626 [Installation directory for documentation])
1627 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1628 [Installation directory for config files])
1629 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1630 [Installation directory for include files])
1631 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1632 [Installation directory for .info files])
1633 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1634 [Installation directory for man pages])
1635 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1636 [Time at which LLVM was configured])
1637 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1638 [Host triple we were built on])
1640 # Determine which bindings to build.
1641 if test "$BINDINGS_TO_BUILD" = auto ; then
1642 BINDINGS_TO_BUILD=""
1643 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1644 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1647 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1649 # This isn't really configurey, but it avoids having to repeat the list in
1651 AC_SUBST(ALL_BINDINGS,ocaml)
1653 # Do any work necessary to ensure that bindings have what they need.
1654 binding_prereqs_failed=0
1655 for a_binding in $BINDINGS_TO_BUILD ; do
1656 case "$a_binding" in
1658 if test "x$OCAMLC" = x ; then
1659 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1660 binding_prereqs_failed=1
1662 if test "x$OCAMLDEP" = x ; then
1663 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1664 binding_prereqs_failed=1
1666 if test "x$OCAMLOPT" = x ; then
1667 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1668 dnl ocamlopt is optional!
1670 if test "x$with_ocaml_libdir" != xauto ; then
1671 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1673 ocaml_stdlib="`"$OCAMLC" -where`"
1674 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1676 # ocaml stdlib is beneath our prefix; use stdlib
1677 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1679 # ocaml stdlib is outside our prefix; use libdir/ocaml
1680 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1686 if test "$binding_prereqs_failed" = 1 ; then
1687 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1690 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1691 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1693 dnl Determine linker rpath flag
1694 if test "$llvm_cv_link_use_r" = "yes" ; then
1701 dnl Determine linker rdynamic flag
1702 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1703 RDYNAMIC="-Wl,-export-dynamic"
1709 dnl===-----------------------------------------------------------------------===
1711 dnl=== SECTION 10: Specify the output files and generate it
1713 dnl===-----------------------------------------------------------------------===
1715 dnl Configure header files
1716 dnl WARNING: dnl If you add or remove any of the following config headers, then
1717 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1718 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1719 dnl files can be updated automatically when their *.in sources change.
1720 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1721 AH_TOP([#ifndef CONFIG_H
1725 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1726 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1727 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1728 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1729 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1731 dnl Configure the makefile's configuration data
1732 AC_CONFIG_FILES([Makefile.config])
1734 dnl Configure the RPM spec file for LLVM
1735 AC_CONFIG_FILES([llvm.spec])
1737 dnl Configure doxygen's configuration file
1738 AC_CONFIG_FILES([docs/doxygen.cfg])
1739 if test -f ${srcdir}/tools/clang/README.txt; then
1740 AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg])
1743 dnl Configure llvmc's Base plugin
1744 AC_CONFIG_FILES([tools/llvmc/src/Base.td])
1746 dnl Do the first stage of configuration for llvm-config.in.
1747 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1749 dnl Do special configuration of Makefiles
1750 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1751 AC_CONFIG_MAKEFILE(Makefile)
1752 AC_CONFIG_MAKEFILE(Makefile.common)
1753 AC_CONFIG_MAKEFILE(examples/Makefile)
1754 AC_CONFIG_MAKEFILE(lib/Makefile)
1755 AC_CONFIG_MAKEFILE(runtime/Makefile)
1756 AC_CONFIG_MAKEFILE(test/Makefile)
1757 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1758 AC_CONFIG_MAKEFILE(unittests/Makefile)
1759 AC_CONFIG_MAKEFILE(tools/Makefile)
1760 AC_CONFIG_MAKEFILE(utils/Makefile)
1761 AC_CONFIG_MAKEFILE(projects/Makefile)
1762 AC_CONFIG_MAKEFILE(bindings/Makefile)
1763 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1765 dnl Finally, crank out the output