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 We need to check for the compiler up here to avoid anything else
62 dnl starting with a different one.
63 AC_PROG_CC(clang llvm-gcc gcc)
64 AC_PROG_CXX(clang++ llvm-g++ g++)
67 dnl Configure all of the projects present in our source tree. While we could
68 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
69 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
70 dnl Instead we match on the known projects.
73 dnl One tricky part of doing this is that some projects depend upon other
74 dnl projects. For example, several projects rely upon the LLVM test suite.
75 dnl We want to configure those projects first so that their object trees are
76 dnl created before running the configure scripts of projects that depend upon
80 dnl Several projects use llvm-gcc, so configure that first
81 if test -d ${srcdir}/projects/llvm-gcc ; then
82 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
85 dnl Several projects use the LLVM test suite, so configure it next.
86 if test -d ${srcdir}/projects/test-suite ; then
87 AC_CONFIG_SUBDIRS([projects/test-suite])
90 dnl llvm-test is the old name of the test-suite, kept here for backwards
92 if test -d ${srcdir}/projects/llvm-test ; then
93 AC_CONFIG_SUBDIRS([projects/llvm-test])
96 dnl Some projects use poolalloc; configure that next
97 if test -d ${srcdir}/projects/poolalloc ; then
98 AC_CONFIG_SUBDIRS([projects/poolalloc])
101 if test -d ${srcdir}/projects/llvm-poolalloc ; then
102 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
105 dnl Check for all other projects
106 for i in `ls ${srcdir}/projects`
108 if test -d ${srcdir}/projects/${i} ; then
110 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
111 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
112 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
113 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
114 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
115 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
116 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
117 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
124 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
130 dnl Disable the build of polly, even if it is checked out into tools/polly.
132 AS_HELP_STRING([--enable-polly],
133 [Use polly if available (default is YES)]),,
136 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
137 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
138 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
139 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
143 dnl Check if polly is checked out into tools/polly and configure it if
145 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
146 AC_SUBST(LLVM_HAS_POLLY,1)
147 AC_CONFIG_SUBDIRS([tools/polly])
150 dnl===-----------------------------------------------------------------------===
152 dnl=== SECTION 2: Architecture, target, and host checks
154 dnl===-----------------------------------------------------------------------===
156 dnl Check the target for which we're compiling and the host that will do the
157 dnl compilations. This will tell us which LLVM compiler will be used for
158 dnl compiling SSA into object code. This needs to be done early because
159 dnl following tests depend on it.
162 dnl Determine the platform type and cache its value. This helps us configure
163 dnl the System library to the correct build platform.
164 AC_CACHE_CHECK([type of operating system we're going to host on],
168 llvm_cv_link_all_option="-Wl,--whole-archive"
169 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
170 llvm_cv_os_type="AIX"
171 llvm_cv_platform_type="Unix" ;;
173 llvm_cv_link_all_option="-Wl,--whole-archive"
174 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
175 llvm_cv_os_type="IRIX"
176 llvm_cv_platform_type="Unix" ;;
178 llvm_cv_link_all_option="-Wl,--whole-archive"
179 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
180 llvm_cv_os_type="Cygwin"
181 llvm_cv_platform_type="Unix" ;;
183 llvm_cv_link_all_option="-Wl,-all_load"
184 llvm_cv_no_link_all_option="-Wl,-noall_load"
185 llvm_cv_os_type="Darwin"
186 llvm_cv_platform_type="Unix" ;;
188 llvm_cv_link_all_option="-Wl,-all_load"
189 llvm_cv_no_link_all_option="-Wl,-noall_load"
190 llvm_cv_os_type="Minix"
191 llvm_cv_platform_type="Unix" ;;
193 llvm_cv_link_all_option="-Wl,--whole-archive"
194 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
195 llvm_cv_os_type="FreeBSD"
196 llvm_cv_platform_type="Unix" ;;
198 llvm_cv_link_all_option="-Wl,--whole-archive"
199 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
200 llvm_cv_os_type="OpenBSD"
201 llvm_cv_platform_type="Unix" ;;
203 llvm_cv_link_all_option="-Wl,--whole-archive"
204 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
205 llvm_cv_os_type="NetBSD"
206 llvm_cv_platform_type="Unix" ;;
208 llvm_cv_link_all_option="-Wl,--whole-archive"
209 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
210 llvm_cv_os_type="DragonFly"
211 llvm_cv_platform_type="Unix" ;;
213 llvm_cv_link_all_option="-Wl,--whole-archive"
214 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
215 llvm_cv_os_type="HP-UX"
216 llvm_cv_platform_type="Unix" ;;
218 llvm_cv_link_all_option="-Wl,--whole-archive"
219 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
220 llvm_cv_os_type="Interix"
221 llvm_cv_platform_type="Unix" ;;
223 llvm_cv_link_all_option="-Wl,--whole-archive"
224 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
225 llvm_cv_os_type="Linux"
226 llvm_cv_platform_type="Unix" ;;
228 llvm_cv_link_all_option="-Wl,-z,allextract"
229 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
230 llvm_cv_os_type="SunOS"
231 llvm_cv_platform_type="Unix" ;;
233 llvm_cv_link_all_option="-Wl,-z,allextract"
234 llvm_cv_link_all_option="-Wl,-z,defaultextract"
235 llvm_cv_os_type="AuroraUX"
236 llvm_cv_platform_type="Unix" ;;
238 llvm_cv_link_all_option="-Wl,--whole-archive"
239 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
240 llvm_cv_os_type="Win32"
241 llvm_cv_platform_type="Win32" ;;
243 llvm_cv_link_all_option="-Wl,--whole-archive"
244 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
245 llvm_cv_os_type="MingW"
246 llvm_cv_platform_type="Win32" ;;
248 llvm_cv_link_all_option="-Wl,--whole-archive"
249 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
250 llvm_cv_os_type="Haiku"
251 llvm_cv_platform_type="Unix" ;;
253 llvm_cv_link_all_option="-Wl,--whole-archive"
254 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
255 llvm_cv_os_type="Freestanding"
256 llvm_cv_platform_type="Unix" ;;
258 llvm_cv_link_all_option="-Wl,--whole-archive"
259 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
260 llvm_cv_os_type="Freestanding"
261 llvm_cv_platform_type="Unix" ;;
263 llvm_cv_link_all_option=""
264 llvm_cv_no_link_all_option=""
265 llvm_cv_os_type="Unknown"
266 llvm_cv_platform_type="Unknown" ;;
269 AC_CACHE_CHECK([type of operating system we're going to target],
270 [llvm_cv_target_os_type],
273 llvm_cv_target_os_type="AIX" ;;
275 llvm_cv_target_os_type="IRIX" ;;
277 llvm_cv_target_os_type="Cygwin" ;;
279 llvm_cv_target_os_type="Darwin" ;;
281 llvm_cv_target_os_type="Minix" ;;
283 llvm_cv_target_os_type="FreeBSD" ;;
285 llvm_cv_target_os_type="OpenBSD" ;;
287 llvm_cv_target_os_type="NetBSD" ;;
289 llvm_cv_target_os_type="DragonFly" ;;
291 llvm_cv_target_os_type="HP-UX" ;;
293 llvm_cv_target_os_type="Interix" ;;
295 llvm_cv_target_os_type="Linux" ;;
297 llvm_cv_target_os_type="SunOS" ;;
299 llvm_cv_target_os_type="AuroraUX" ;;
301 llvm_cv_target_os_type="Win32" ;;
303 llvm_cv_target_os_type="MingW" ;;
305 llvm_cv_target_os_type="Haiku" ;;
307 llvm_cv_target_os_type="RTEMS" ;;
309 llvm_cv_target_os_type="NativeClient" ;;
311 llvm_cv_target_os_type="Freestanding" ;;
313 llvm_cv_target_os_type="Unknown" ;;
316 dnl Make sure we aren't attempting to configure for an unknown system
317 if test "$llvm_cv_os_type" = "Unknown" ; then
318 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
321 dnl Set the "OS" Makefile variable based on the platform type so the
322 dnl makefile can configure itself to specific build hosts
323 AC_SUBST(OS,$llvm_cv_os_type)
324 AC_SUBST(HOST_OS,$llvm_cv_os_type)
325 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
327 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
328 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
329 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
331 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
332 dnl This is used by lib/Support to determine the basic kind of implementation
334 case $llvm_cv_platform_type in
336 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
337 AC_SUBST(LLVM_ON_UNIX,[1])
338 AC_SUBST(LLVM_ON_WIN32,[0])
341 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
342 AC_SUBST(LLVM_ON_UNIX,[0])
343 AC_SUBST(LLVM_ON_WIN32,[1])
347 dnl Determine what our target architecture is and configure accordingly.
348 dnl This will allow Makefiles to make a distinction between the hardware and
350 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
352 i?86-*) llvm_cv_target_arch="x86" ;;
353 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
354 sparc*-*) llvm_cv_target_arch="Sparc" ;;
355 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
356 alpha*-*) llvm_cv_target_arch="Alpha" ;;
357 arm*-*) llvm_cv_target_arch="ARM" ;;
358 mips-*) llvm_cv_target_arch="Mips" ;;
359 xcore-*) llvm_cv_target_arch="XCore" ;;
360 msp430-*) llvm_cv_target_arch="MSP430" ;;
361 s390x-*) llvm_cv_target_arch="SystemZ" ;;
362 bfin-*) llvm_cv_target_arch="Blackfin" ;;
363 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
364 ptx-*) llvm_cv_target_arch="PTX" ;;
365 *) llvm_cv_target_arch="Unknown" ;;
368 if test "$llvm_cv_target_arch" = "Unknown" ; then
369 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
372 # Determine the LLVM native architecture for the target
373 case "$llvm_cv_target_arch" in
374 x86) LLVM_NATIVE_ARCH="X86" ;;
375 x86_64) LLVM_NATIVE_ARCH="X86" ;;
376 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
379 dnl Define a substitution, ARCH, for the target architecture
380 AC_SUBST(ARCH,$llvm_cv_target_arch)
382 dnl Check for the endianness of the target
383 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
385 dnl Check for build platform executable suffix if we're crosscompiling
386 if test "$cross_compiling" = yes; then
387 AC_SUBST(LLVM_CROSS_COMPILING, [1])
389 ac_build_prefix=${build_alias}-
390 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
391 if test -z "$BUILD_CXX"; then
392 AC_CHECK_PROG(BUILD_CXX, g++, g++)
393 if test -z "$BUILD_CXX"; then
394 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
398 AC_SUBST(LLVM_CROSS_COMPILING, [0])
401 dnl Check to see if there's a .svn or .git directory indicating that this
402 dnl build is being done from a checkout. This sets up several defaults for
403 dnl the command line switches. When we build with a checkout directory,
404 dnl we get a debug with assertions turned on. Without, we assume a source
405 dnl release and we get an optimized build without assertions.
406 dnl See --enable-optimized and --enable-assertions below
407 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
410 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
416 dnl===-----------------------------------------------------------------------===
418 dnl=== SECTION 3: Command line arguments for the configure script.
420 dnl===-----------------------------------------------------------------------===
422 dnl --enable-optimized : check whether they want to do an optimized build:
423 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
424 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
425 if test ${enableval} = "no" ; then
426 AC_SUBST(ENABLE_OPTIMIZED,[[]])
428 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
431 dnl --enable-profiling : check whether they want to do a profile build:
432 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
433 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
434 if test ${enableval} = "no" ; then
435 AC_SUBST(ENABLE_PROFILING,[[]])
437 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
440 dnl --enable-assertions : check whether they want to turn on assertions or not:
441 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
442 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
443 if test ${enableval} = "yes" ; then
444 AC_SUBST(DISABLE_ASSERTIONS,[[]])
446 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
449 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
450 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
451 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
452 if test ${enableval} = "yes" ; then
453 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
454 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
456 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
457 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
460 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
461 AC_ARG_ENABLE(debug-runtime,
462 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
463 if test ${enableval} = "no" ; then
464 AC_SUBST(DEBUG_RUNTIME,[[]])
466 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
469 dnl --enable-debug-symbols : should even optimized compiler libraries
470 dnl have debug symbols?
471 AC_ARG_ENABLE(debug-symbols,
472 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)
473 if test ${enableval} = "no" ; then
474 AC_SUBST(DEBUG_SYMBOLS,[[]])
476 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
479 dnl --enable-jit: check whether they want to enable the jit
481 AS_HELP_STRING(--enable-jit,
482 [Enable Just In Time Compiling (default is YES)]),,
484 if test ${enableval} = "no"
488 case "$llvm_cv_target_arch" in
489 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
490 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
491 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
492 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
493 Alpha) AC_SUBST(TARGET_HAS_JIT,0) ;;
494 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
495 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
496 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
497 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
498 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
499 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
500 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
501 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
502 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
506 dnl Allow enablement of building and installing docs
508 AS_HELP_STRING([--enable-docs],
509 [Build documents (default is YES)]),,
512 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
513 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
514 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
515 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
518 dnl Allow enablement of doxygen generated documentation
519 AC_ARG_ENABLE(doxygen,
520 AS_HELP_STRING([--enable-doxygen],
521 [Build doxygen documentation (default is NO)]),,
524 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
525 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
526 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
527 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
530 dnl Allow disablement of threads
531 AC_ARG_ENABLE(threads,
532 AS_HELP_STRING([--enable-threads],
533 [Use threads if available (default is YES)]),,
536 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
537 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
538 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
539 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
541 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
543 dnl Allow disablement of pthread.h
544 AC_ARG_ENABLE(pthreads,
545 AS_HELP_STRING([--enable-pthreads],
546 [Use pthreads if available (default is YES)]),,
549 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
550 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
551 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
552 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
555 dnl Allow building without position independent code
557 AS_HELP_STRING([--enable-pic],
558 [Build LLVM with Position Independent Code (default is YES)]),,
561 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
562 no) AC_SUBST(ENABLE_PIC,[0]) ;;
563 default) AC_SUBST(ENABLE_PIC,[1]) ;;
564 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
566 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
567 [Define if position independent code is enabled])
569 dnl Allow building a shared library and linking tools against it.
570 AC_ARG_ENABLE(shared,
571 AS_HELP_STRING([--enable-shared],
572 [Build a shared library and link tools against it (default is NO)]),,
575 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
576 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
577 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
578 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
581 dnl Allow libstdc++ is embedded in LLVM.dll.
582 AC_ARG_ENABLE(embed-stdcxx,
583 AS_HELP_STRING([--enable-embed-stdcxx],
584 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
587 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
588 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
589 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
590 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
593 dnl Enable embedding timestamp information into build.
594 AC_ARG_ENABLE(timestamps,
595 AS_HELP_STRING([--enable-timestamps],
596 [Enable embedding timestamp information in build (default is YES)]),,
599 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
600 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
601 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
602 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
604 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
605 [Define if timestamp information (e.g., __DATE___) is allowed])
607 dnl Allow specific targets to be specified for building (or not)
609 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
610 [Build specific host targets: all or target1,target2,... Valid targets are:
611 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu,
612 xcore, msp430, systemz, blackfin, ptx, cbe, and cpp (default=all)]),,
614 if test "$enableval" = host-only ; then
618 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU XCore MSP430 SystemZ Blackfin CBackend CppBackend MBlaze PTX" ;;
619 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
621 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
622 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
623 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
624 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
625 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
626 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
627 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
628 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
629 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
630 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
631 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
632 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
633 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
634 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
635 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
636 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
637 host) case "$llvm_cv_target_arch" in
638 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
639 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
640 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
641 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
642 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
643 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
644 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
645 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
646 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
647 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
648 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
649 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
650 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
651 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
652 *) AC_MSG_ERROR([Can not set target to build]) ;;
654 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
659 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
661 # Determine whether we are building LLVM support for the native architecture.
662 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
663 for a_target in $TARGETS_TO_BUILD; do
664 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
665 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
666 [LLVM architecture name for the native architecture, if available])
667 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
668 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
669 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
670 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
671 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
672 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
674 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
675 [LLVM name for the native Target init function, if available])
676 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
677 [LLVM name for the native TargetInfo init function, if available])
678 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
679 [LLVM name for the native target MC init function, if available])
680 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
681 [LLVM name for the native AsmPrinter init function, if available])
682 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
683 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
684 [LLVM name for the native AsmParser init function, if available])
689 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
690 # target feature def files.
692 LLVM_ENUM_ASM_PRINTERS=""
693 LLVM_ENUM_ASM_PARSERS=""
694 LLVM_ENUM_DISASSEMBLERS=""
695 for target_to_build in $TARGETS_TO_BUILD; do
696 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
697 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
698 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
700 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
701 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
703 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
704 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
707 AC_SUBST(LLVM_ENUM_TARGETS)
708 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
709 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
710 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
712 dnl Prevent the CBackend from using printf("%a") for floating point so older
713 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
714 dnl can still compile the CBE's output
715 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
716 [Enable C Backend output with hex floating point via %a (default is YES)]),,
719 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
720 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
721 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
722 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
724 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
725 [Define if CBE is enabled for printf %a output])
727 dnl Allow a specific Clang compiler to be used with this LLVM config.
729 AS_HELP_STRING([--with-clang],
730 [Specify location of clang compiler (default is --with-built-clang)]),
731 [],[with_clang=default])
733 dnl Enable use of the built Clang.
734 AC_ARG_WITH(built-clang,
735 AS_HELP_STRING([--with-built-clang],
736 [Use the compiled Clang as the LLVM compiler (default=check)]),
737 [],[with_built_clang=check])
739 dnl Select the Clang compiler option.
741 dnl If --with-clang is given, always honor that; otherwise honor
742 dnl --with-built-clang, or check if we have the clang sources.
743 AC_MSG_CHECKING([clang compiler])
746 if test "$with_clang" != "default"; then
747 WITH_CLANGPATH="$with_clang"
748 if ! test -x "$WITH_CLANGPATH"; then
749 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
751 elif test "$with_built_clang" = "yes"; then
753 elif test "$with_built_clang" = "no"; then
756 if test "$with_built_clang" != "check"; then
757 AC_MSG_ERROR([invalid value for --with-built-clang.])
760 if test -f ${srcdir}/tools/clang/README.txt; then
765 if ! test -z "$WITH_CLANGPATH"; then
766 AC_MSG_RESULT([$WITH_CLANGPATH])
767 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
768 elif test "$WITH_BUILT_CLANG" = "1"; then
769 AC_MSG_RESULT([built])
771 AC_MSG_RESULT([none])
773 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
774 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
775 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
777 dnl Override the option to use for optimized builds.
778 AC_ARG_WITH(optimize-option,
779 AS_HELP_STRING([--with-optimize-option],
780 [Select the compiler options to use for optimized builds]),,
782 AC_MSG_CHECKING([optimization flags])
785 case "$llvm_cv_os_type" in
786 FreeBSD) optimize_option=-O2 ;;
787 MingW) optimize_option=-O2 ;;
788 *) optimize_option=-O3 ;;
790 *) optimize_option="$withval" ;;
792 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
793 AC_MSG_RESULT([$optimize_option])
795 dnl Specify extra build options
796 AC_ARG_WITH(extra-options,
797 AS_HELP_STRING([--with-extra-options],
798 [Specify additional options to compile LLVM with]),,
801 default) EXTRA_OPTIONS= ;;
802 *) EXTRA_OPTIONS=$withval ;;
804 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
806 dnl Specify extra linker build options
807 AC_ARG_WITH(extra-ld-options,
808 AS_HELP_STRING([--with-extra-ld-options],
809 [Specify additional options to link LLVM with]),,
812 default) EXTRA_LD_OPTIONS= ;;
813 *) EXTRA_LD_OPTIONS=$withval ;;
815 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
817 dnl Allow specific bindings to be specified for building (or not)
818 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
819 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
823 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
824 all ) BINDINGS_TO_BUILD="ocaml" ;;
825 none | no) BINDINGS_TO_BUILD="" ;;
826 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
828 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
829 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
835 dnl Allow the ocaml libdir to be overridden. This could go in a configure
836 dnl script for bindings/ocaml/configure, except that its auto value depends on
837 dnl OCAMLC, which is found here to support tests.
838 AC_ARG_WITH([ocaml-libdir],
839 [AS_HELP_STRING([--with-ocaml-libdir],
840 [Specify install location for ocaml bindings (default is stdlib)])],
844 auto) with_ocaml_libdir="$withval" ;;
845 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
846 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
849 AC_ARG_WITH(clang-resource-dir,
850 AS_HELP_STRING([--with-clang-resource-dir],
851 [Relative directory from the Clang binary for resource files]),,
853 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
854 [Relative directory for resource files])
856 AC_ARG_WITH(c-include-dirs,
857 AS_HELP_STRING([--with-c-include-dirs],
858 [Colon separated list of directories clang will search for headers]),,
860 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
861 [Directories clang will search for headers])
863 AC_ARG_WITH(cxx-include-root,
864 AS_HELP_STRING([--with-cxx-include-root],
865 [Directory with the libstdc++ headers.]),,
867 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
868 [Directory with the libstdc++ headers.])
870 AC_ARG_WITH(cxx-include-arch,
871 AS_HELP_STRING([--with-cxx-include-arch],
872 [Architecture of the libstdc++ headers.]),,
874 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
875 [Arch the libstdc++ headers.])
877 AC_ARG_WITH(cxx-include-32bit-dir,
878 AS_HELP_STRING([--with-cxx-include-32bit-dir],
879 [32 bit multilib dir.]),,
881 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
882 [32 bit multilib directory.])
884 AC_ARG_WITH(cxx-include-64bit-dir,
885 AS_HELP_STRING([--with-cxx-include-64bit-dir],
886 [64 bit multilib directory.]),,
888 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
889 [64 bit multilib directory.])
891 dnl Allow linking of LLVM with GPLv3 binutils code.
892 AC_ARG_WITH(binutils-include,
893 AS_HELP_STRING([--with-binutils-include],
894 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
897 default) WITH_BINUTILS_INCDIR=default ;;
898 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
899 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
901 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
902 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
903 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
904 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
905 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
909 dnl Specify the URL where bug reports should be submitted.
910 AC_ARG_WITH(bug-report-url,
911 AS_HELP_STRING([--with-bug-report-url],
912 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
913 withval="http://llvm.org/bugs/")
914 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
917 dnl --enable-libffi : check whether the user wants to turn off libffi:
918 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
919 --enable-libffi,[Check for the presence of libffi (default is NO)]),
920 [case "$enableval" in
921 yes) llvm_cv_enable_libffi="yes" ;;
922 no) llvm_cv_enable_libffi="no" ;;
923 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
925 llvm_cv_enable_libffi=no)
927 dnl===-----------------------------------------------------------------------===
929 dnl=== SECTION 4: Check for programs we need and that they are the right version
931 dnl===-----------------------------------------------------------------------===
936 dnl Check for the tools that the makefiles require
939 AC_PATH_PROG(CMP, [cmp], [cmp])
940 AC_PATH_PROG(CP, [cp], [cp])
941 AC_PATH_PROG(DATE, [date], [date])
942 AC_PATH_PROG(FIND, [find], [find])
943 AC_PATH_PROG(GREP, [grep], [grep])
944 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
945 AC_PATH_PROG(MV, [mv], [mv])
947 AC_CHECK_TOOL(AR, ar, false)
948 AC_PATH_PROG(RM, [rm], [rm])
949 AC_PATH_PROG(SED, [sed], [sed])
950 AC_PATH_PROG(TAR, [tar], [gtar])
951 AC_PATH_PROG(BINPWD,[pwd], [pwd])
953 dnl Looking for misc. graph plotting software
954 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
955 if test "$GRAPHVIZ" != "echo Graphviz" ; then
956 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
957 dnl If we're targeting for mingw we should emit windows paths, not msys
958 if test "$llvm_cv_os_type" = "MingW" ; then
959 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
961 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
962 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
964 AC_PATH_PROG(DOT, [dot], [echo dot])
965 if test "$DOT" != "echo dot" ; then
966 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
967 dnl If we're targeting for mingw we should emit windows paths, not msys
968 if test "$llvm_cv_os_type" = "MingW" ; then
969 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
971 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
972 [Define to path to dot program if found or 'echo dot' otherwise])
974 AC_PATH_PROG(FDP, [fdp], [echo fdp])
975 if test "$FDP" != "echo fdp" ; then
976 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
977 dnl If we're targeting for mingw we should emit windows paths, not msys
978 if test "$llvm_cv_os_type" = "MingW" ; then
979 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
981 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
982 [Define to path to fdp program if found or 'echo fdp' otherwise])
984 AC_PATH_PROG(NEATO, [neato], [echo neato])
985 if test "$NEATO" != "echo neato" ; then
986 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
987 dnl If we're targeting for mingw we should emit windows paths, not msys
988 if test "$llvm_cv_os_type" = "MingW" ; then
989 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
991 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
992 [Define to path to neato program if found or 'echo neato' otherwise])
994 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
995 if test "$TWOPI" != "echo twopi" ; then
996 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
997 dnl If we're targeting for mingw we should emit windows paths, not msys
998 if test "$llvm_cv_os_type" = "MingW" ; then
999 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1001 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1002 [Define to path to twopi program if found or 'echo twopi' otherwise])
1004 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1005 if test "$CIRCO" != "echo circo" ; then
1006 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1007 dnl If we're targeting for mingw we should emit windows paths, not msys
1008 if test "$llvm_cv_os_type" = "MingW" ; then
1009 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1011 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1012 [Define to path to circo program if found or 'echo circo' otherwise])
1014 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1015 if test "$GV" != "echo gv" ; then
1016 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1017 dnl If we're targeting for mingw we should emit windows paths, not msys
1018 if test "$llvm_cv_os_type" = "MingW" ; then
1019 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1021 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1022 [Define to path to gv program if found or 'echo gv' otherwise])
1024 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1025 if test "$DOTTY" != "echo dotty" ; then
1026 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1027 dnl If we're targeting for mingw we should emit windows paths, not msys
1028 if test "$llvm_cv_os_type" = "MingW" ; then
1029 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1031 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1032 [Define to path to dotty program if found or 'echo dotty' otherwise])
1034 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1035 if test "$XDOT_PY" != "echo xdot.py" ; then
1036 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1037 dnl If we're targeting for mingw we should emit windows paths, not msys
1038 if test "$llvm_cv_os_type" = "MingW" ; then
1039 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1041 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1042 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1045 dnl Look for a sufficiently recent version of Perl.
1046 LLVM_PROG_PERL([5.006])
1048 if test x"$PERL" = xnone; then
1049 AC_SUBST(HAVE_PERL,0)
1050 AC_MSG_ERROR([perl is required but was not found, please install it])
1052 AC_SUBST(HAVE_PERL,1)
1055 dnl Find the install program
1057 dnl Prepend src dir to install path dir if it's a relative path
1058 dnl This is a hack for installs that take place in something other
1059 dnl than the top level.
1061 [[\\/$]]* | ?:[[\\/]]* ) ;;
1062 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1065 dnl Checks for documentation and testing tools that we can do without. If these
1066 dnl are not found then they are set to "true" which always succeeds but does
1067 dnl nothing. This just lets the build output show that we could have done
1068 dnl something if the tool was available.
1069 AC_PATH_PROG(BZIP2, [bzip2])
1070 AC_PATH_PROG(CAT, [cat])
1071 AC_PATH_PROG(DOXYGEN, [doxygen])
1072 AC_PATH_PROG(GROFF, [groff])
1073 AC_PATH_PROG(GZIPBIN, [gzip])
1074 AC_PATH_PROG(POD2HTML, [pod2html])
1075 AC_PATH_PROG(POD2MAN, [pod2man])
1076 AC_PATH_PROG(PDFROFF, [pdfroff])
1077 AC_PATH_PROG(RUNTEST, [runtest])
1079 AC_PATH_PROG(ZIP, [zip])
1080 AC_PATH_PROGS(OCAMLC, [ocamlc])
1081 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1082 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1083 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1084 AC_PATH_PROGS(GAS, [gas as])
1086 dnl Get the version of the linker in use.
1089 dnl Determine whether the linker supports the -R option.
1092 dnl Determine whether the linker supports the -export-dynamic option.
1093 AC_LINK_EXPORT_DYNAMIC
1095 dnl Determine whether the linker supports the --version-script option.
1096 AC_LINK_VERSION_SCRIPT
1098 dnl Check for libtool and the library that has dlopen function (which must come
1099 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1104 dnl Select the LLVM capable compiler to use, we default to using clang if
1107 AS_HELP_STRING([--with-llvmcc=<name>],
1108 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1109 [],[with_llvmcc=check])
1110 AC_MSG_CHECKING([LLVM capable compiler])
1111 if test "$with_llvmcc" != "check"; then
1112 if (test "$with_llvmcc" != "llvm-gcc" &&
1113 test "$with_llvmcc" != "clang" &&
1114 test "$with_llvmcc" != "none"); then
1115 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'clang', 'llvm-gcc', or 'none'.])
1117 WITH_LLVMCC="$with_llvmcc"
1118 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1123 AC_MSG_RESULT([$WITH_LLVMCC])
1124 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1126 AC_MSG_CHECKING([tool compatibility])
1128 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1129 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1130 dnl to support those options.
1131 dnl "icc" emits gcc signatures
1132 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1144 if test "$GCC" != "yes" && test "$ICC" != "yes"
1146 AC_MSG_ERROR([gcc|icc required but not found])
1149 dnl Ensure that compilation tools are compatible with GCC extensions
1150 if test "$GXX" != "yes" && test "$IXX" != "yes"
1152 AC_MSG_ERROR([g++|clang++|icc required but not found])
1155 dnl Verify that GCC is version 3.0 or higher
1156 if test "$GCC" = "yes"
1158 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1159 #error Unsupported GCC version
1161 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1164 dnl Check for GNU Make. We use its extensions, so don't build without it
1165 if test -z "$llvm_cv_gnu_make_command"
1167 AC_MSG_ERROR([GNU Make required but not found])
1170 dnl Tool compatibility is okay if we make it here.
1173 dnl Check optional compiler flags.
1174 AC_MSG_CHECKING([optional compiler flags])
1175 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1176 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1177 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1179 dnl===-----------------------------------------------------------------------===
1181 dnl=== SECTION 5: Check for libraries
1183 dnl===-----------------------------------------------------------------------===
1186 if test "$llvm_cv_os_type" = "MingW" ; then
1187 AC_CHECK_LIB(imagehlp, main)
1188 AC_CHECK_LIB(psapi, main)
1191 dnl dlopen() is required for plugin support.
1192 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1193 [Define if dlopen() is available on this platform.]),
1194 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1196 dnl libffi is optional; used to call external functions from the interpreter
1197 if test "$llvm_cv_enable_libffi" = "yes" ; then
1198 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1199 [Define if libffi is available on this platform.]),
1200 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1203 dnl mallinfo is optional; the code can compile (minus features) without it
1204 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1205 [Define if mallinfo() is available on this platform.]))
1207 dnl pthread locking functions are optional - but llvm will not be thread-safe
1209 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1210 AC_CHECK_LIB(pthread, pthread_mutex_init)
1211 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1212 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1213 [Have pthread_mutex_lock]))
1214 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1215 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1216 [Have pthread_rwlock_init]))
1217 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1218 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1219 [Have pthread_getspecific]))
1222 dnl Allow extra x86-disassembler library
1224 AS_HELP_STRING([--with-udis86=<path>],
1225 [Use udis86 external x86 disassembler library]),
1227 AC_SUBST(USE_UDIS86, [1])
1230 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1232 AC_CHECK_LIB(udis86, ud_init, [], [
1233 echo "Error! You need to have libudis86 around."
1237 AC_SUBST(USE_UDIS86, [0]))
1238 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1239 [Define if use udis86 library])
1241 dnl Allow OProfile support for JIT output.
1242 AC_ARG_WITH(oprofile,
1243 AS_HELP_STRING([--with-oprofile=<prefix>],
1244 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1246 AC_SUBST(USE_OPROFILE, [1])
1248 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1250 AC_SUBST(USE_OPROFILE, [0]) ;;
1251 *) llvm_cv_oppath="${withval}/lib/oprofile"
1252 CPPFLAGS="-I${withval}/include";;
1254 if test -n "$llvm_cv_oppath" ; then
1255 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1256 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1257 dnl libbfd is not included properly in libopagent in some Debian
1258 dnl versions. If libbfd isn't found at all, we assume opagent works
1260 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1261 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1262 echo "Error! You need to have libopagent around."
1265 AC_CHECK_HEADER([opagent.h], [], [
1266 echo "Error! You need to have opagent.h around."
1272 AC_SUBST(USE_OPROFILE, [0])
1274 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1275 [Define if we have the oprofile JIT-support library])
1277 dnl===-----------------------------------------------------------------------===
1279 dnl=== SECTION 6: Check for header files
1281 dnl===-----------------------------------------------------------------------===
1283 dnl First, use autoconf provided macros for specific headers that we need
1284 dnl We don't check for ancient stuff or things that are guaranteed to be there
1285 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1286 dnl Generally we're looking for POSIX headers.
1288 AC_HEADER_MMAP_ANONYMOUS
1294 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1295 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1296 AC_CHECK_HEADERS([utime.h windows.h])
1297 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1298 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1299 AC_CHECK_HEADERS([valgrind/valgrind.h])
1300 AC_CHECK_HEADERS([fenv.h])
1301 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1302 AC_CHECK_HEADERS(pthread.h,
1303 AC_SUBST(HAVE_PTHREAD, 1),
1304 AC_SUBST(HAVE_PTHREAD, 0))
1306 AC_SUBST(HAVE_PTHREAD, 0)
1309 dnl Try to find ffi.h.
1310 if test "$llvm_cv_enable_libffi" = "yes" ; then
1311 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1314 dnl Try to find Darwin specific crash reporting libraries.
1315 AC_CHECK_HEADERS([CrashReporterClient.h])
1317 dnl Try to find Darwin specific crash reporting global.
1318 AC_MSG_CHECKING([__crashreporter_info__])
1321 [[extern const char *__crashreporter_info__;
1323 __crashreporter_info__ = "test";
1328 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1330 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1331 Define if __crashreporter_info__ exists.))
1333 dnl===-----------------------------------------------------------------------===
1335 dnl=== SECTION 7: Check for types and structures
1337 dnl===-----------------------------------------------------------------------===
1342 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1344 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1345 AC_CHECK_TYPES([uint64_t],,
1346 AC_CHECK_TYPES([u_int64_t],,
1347 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1349 dnl===-----------------------------------------------------------------------===
1351 dnl=== SECTION 8: Check for specific functions needed
1353 dnl===-----------------------------------------------------------------------===
1355 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1356 AC_CHECK_FUNCS([powf fmodf strtof round ])
1357 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1358 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1359 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1360 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1361 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1362 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1366 dnl Check the declaration "Secure API" on Windows environments.
1367 AC_CHECK_DECLS([strerror_s])
1369 dnl Check symbols in libgcc.a for JIT on Mingw.
1370 if test "$llvm_cv_os_type" = "MingW" ; then
1371 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1372 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1373 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1374 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1376 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1377 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1378 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1379 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1380 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1381 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1382 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1383 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1384 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1385 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1387 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1388 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1391 dnl Check Win32 API EnumerateLoadedModules.
1392 if test "$llvm_cv_os_type" = "MingW" ; then
1393 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1394 AC_COMPILE_IFELSE([[#include <windows.h>
1395 #include <imagehlp.h>
1396 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1397 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1399 AC_MSG_RESULT([yes])
1400 llvm_cv_win32_elmcb_pcstr="PCSTR"
1404 llvm_cv_win32_elmcb_pcstr="PSTR"
1406 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1409 dnl Check for variations in the Standard C++ library and STL. These macros are
1410 dnl provided by LLVM in the autoconf/m4 directory.
1414 dnl Check for mmap support.We also need to know if /dev/zero is required to
1415 dnl be opened for allocating RWX memory.
1416 dnl Make sure we aren't attempting to configure for an unknown system
1417 if test "$llvm_cv_platform_type" = "Unix" ; then
1420 AC_NEED_DEV_ZERO_FOR_MMAP
1422 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1424 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1426 if test "$ac_cv_func_mmap_file" = "no"
1428 AC_MSG_WARN([mmap() of files required but not found])
1432 dnl atomic builtins are required for threading support.
1433 AC_MSG_CHECKING(for GCC atomic builtins)
1434 dnl Since we'll be using these atomic builtins in C++ files we should test
1435 dnl the C++ compiler.
1440 volatile unsigned long val = 1;
1441 __sync_synchronize();
1442 __sync_val_compare_and_swap(&val, 1, 0);
1443 __sync_add_and_fetch(&val, 1);
1444 __sync_sub_and_fetch(&val, 1);
1450 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1452 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1453 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1455 dnl===-----------------------------------------------------------------------===
1457 dnl=== SECTION 9: Additional checks, variables, etc.
1459 dnl===-----------------------------------------------------------------------===
1461 dnl Handle 32-bit linux systems running a 64-bit kernel.
1462 dnl This has to come after section 4 because it invokes the compiler.
1463 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1465 if test "$llvm_cv_linux_mixed" = "yes"; then
1466 llvm_cv_target_arch="x86"
1471 dnl Check whether __dso_handle is present
1472 AC_CHECK_FUNCS([__dso_handle])
1474 dnl Propagate the shared library extension that the libltdl checks did to
1475 dnl the Makefiles so we can use it there too
1476 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1478 dnl Propagate the run-time library path variable that the libltdl
1479 dnl checks found to the Makefiles so we can use it there too
1480 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1482 # Translate the various configuration directories and other basic
1483 # information into substitutions that will end up in Makefile.config.in
1484 # that these configured values can be used by the makefiles
1485 if test "${prefix}" = "NONE" ; then
1488 eval LLVM_PREFIX="${prefix}";
1489 eval LLVM_BINDIR="${prefix}/bin";
1490 eval LLVM_LIBDIR="${prefix}/lib";
1491 eval LLVM_DATADIR="${prefix}/share/llvm";
1492 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1493 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1494 eval LLVM_INCLUDEDIR="${prefix}/include";
1495 eval LLVM_INFODIR="${prefix}/info";
1496 eval LLVM_MANDIR="${prefix}/man";
1497 LLVM_CONFIGTIME=`date`
1498 AC_SUBST(LLVM_PREFIX)
1499 AC_SUBST(LLVM_BINDIR)
1500 AC_SUBST(LLVM_LIBDIR)
1501 AC_SUBST(LLVM_DATADIR)
1502 AC_SUBST(LLVM_DOCSDIR)
1503 AC_SUBST(LLVM_ETCDIR)
1504 AC_SUBST(LLVM_INCLUDEDIR)
1505 AC_SUBST(LLVM_INFODIR)
1506 AC_SUBST(LLVM_MANDIR)
1507 AC_SUBST(LLVM_CONFIGTIME)
1509 # Place the various directores into the config.h file as #defines so that we
1510 # can know about the installation paths within LLVM.
1511 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1512 [Installation prefix directory])
1513 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1514 [Installation directory for binary executables])
1515 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1516 [Installation directory for libraries])
1517 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1518 [Installation directory for data files])
1519 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1520 [Installation directory for documentation])
1521 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1522 [Installation directory for config files])
1523 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1524 [Installation directory for include files])
1525 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1526 [Installation directory for .info files])
1527 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1528 [Installation directory for man pages])
1529 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1530 [Time at which LLVM was configured])
1531 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1532 [Host triple we were built on])
1534 # Determine which bindings to build.
1535 if test "$BINDINGS_TO_BUILD" = auto ; then
1536 BINDINGS_TO_BUILD=""
1537 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1538 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1541 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1543 # This isn't really configurey, but it avoids having to repeat the list in
1545 AC_SUBST(ALL_BINDINGS,ocaml)
1547 # Do any work necessary to ensure that bindings have what they need.
1548 binding_prereqs_failed=0
1549 for a_binding in $BINDINGS_TO_BUILD ; do
1550 case "$a_binding" in
1552 if test "x$OCAMLC" = x ; then
1553 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1554 binding_prereqs_failed=1
1556 if test "x$OCAMLDEP" = x ; then
1557 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1558 binding_prereqs_failed=1
1560 if test "x$OCAMLOPT" = x ; then
1561 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1562 dnl ocamlopt is optional!
1564 if test "x$with_ocaml_libdir" != xauto ; then
1565 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1567 ocaml_stdlib="`"$OCAMLC" -where`"
1568 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1570 # ocaml stdlib is beneath our prefix; use stdlib
1571 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1573 # ocaml stdlib is outside our prefix; use libdir/ocaml
1574 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1580 if test "$binding_prereqs_failed" = 1 ; then
1581 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1584 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1585 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1587 dnl Determine linker rpath flag
1588 if test "$llvm_cv_link_use_r" = "yes" ; then
1595 dnl Determine linker rdynamic flag
1596 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1597 RDYNAMIC="-Wl,-export-dynamic"
1603 dnl===-----------------------------------------------------------------------===
1605 dnl=== SECTION 10: Specify the output files and generate it
1607 dnl===-----------------------------------------------------------------------===
1609 dnl Configure header files
1610 dnl WARNING: dnl If you add or remove any of the following config headers, then
1611 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1612 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1613 dnl files can be updated automatically when their *.in sources change.
1614 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1615 AH_TOP([#ifndef CONFIG_H
1619 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1620 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1621 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1622 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1623 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1625 dnl Configure the makefile's configuration data
1626 AC_CONFIG_FILES([Makefile.config])
1628 dnl Configure the RPM spec file for LLVM
1629 AC_CONFIG_FILES([llvm.spec])
1631 dnl Configure doxygen's configuration file
1632 AC_CONFIG_FILES([docs/doxygen.cfg])
1633 if test -f ${srcdir}/tools/clang/README.txt; then
1634 AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg])
1637 dnl Do the first stage of configuration for llvm-config.in.
1638 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1640 dnl Do special configuration of Makefiles
1641 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1642 AC_CONFIG_MAKEFILE(Makefile)
1643 AC_CONFIG_MAKEFILE(Makefile.common)
1644 AC_CONFIG_MAKEFILE(examples/Makefile)
1645 AC_CONFIG_MAKEFILE(lib/Makefile)
1646 AC_CONFIG_MAKEFILE(runtime/Makefile)
1647 AC_CONFIG_MAKEFILE(test/Makefile)
1648 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1649 AC_CONFIG_MAKEFILE(unittests/Makefile)
1650 AC_CONFIG_MAKEFILE(tools/Makefile)
1651 AC_CONFIG_MAKEFILE(utils/Makefile)
1652 AC_CONFIG_MAKEFILE(projects/Makefile)
1653 AC_CONFIG_MAKEFILE(bindings/Makefile)
1654 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1656 dnl Finally, crank out the output