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 address for reporting bugs.
34 AC_INIT([LLVM],[3.2svn],[http://llvm.org/bugs/])
35 AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API])
36 AC_DEFINE([LLVM_VERSION_MINOR], [2], [Minor version of the LLVM API])
38 dnl Provide a copyright substitution and ensure the copyright notice is included
39 dnl in the output of --version option of the generated configure script.
40 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2012 University of Illinois at Urbana-Champaign."])
41 AC_COPYRIGHT([Copyright (c) 2003-2012 University of Illinois at Urbana-Champaign.])
43 dnl Indicate that we require autoconf 2.60 or later.
46 dnl Verify that the source directory is valid. This makes sure that we are
47 dnl configuring LLVM and not some other package (it validates --srcdir argument)
48 AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp])
50 dnl Place all of the extra autoconf files into the config subdirectory. Tell
51 dnl various tools where the m4 autoconf macros are.
52 AC_CONFIG_AUX_DIR([autoconf])
54 dnl Quit if the source directory has already been configured.
55 dnl NOTE: This relies upon undocumented autoconf behavior.
56 if test ${srcdir} != "." ; then
57 if test -f ${srcdir}/include/llvm/Config/config.h ; then
58 AC_MSG_ERROR([Already configured in ${srcdir}])
62 dnl We need to check for the compiler up here to avoid anything else
63 dnl starting with a different one.
64 AC_PROG_CC(clang llvm-gcc gcc)
65 AC_PROG_CXX(clang++ llvm-g++ g++)
68 dnl Configure all of the projects present in our source tree. While we could
69 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
70 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
71 dnl Instead we match on the known projects.
74 dnl One tricky part of doing this is that some projects depend upon other
75 dnl projects. For example, several projects rely upon the LLVM test suite.
76 dnl We want to configure those projects first so that their object trees are
77 dnl created before running the configure scripts of projects that depend upon
81 dnl Several projects use llvm-gcc, so configure that first
82 if test -d ${srcdir}/projects/llvm-gcc ; then
83 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
86 dnl Several projects use the LLVM test suite, so configure it next.
87 if test -d ${srcdir}/projects/test-suite ; then
88 AC_CONFIG_SUBDIRS([projects/test-suite])
91 dnl llvm-test is the old name of the test-suite, kept here for backwards
93 if test -d ${srcdir}/projects/llvm-test ; then
94 AC_CONFIG_SUBDIRS([projects/llvm-test])
97 dnl Some projects use poolalloc; configure that next
98 if test -d ${srcdir}/projects/poolalloc ; then
99 AC_CONFIG_SUBDIRS([projects/poolalloc])
102 if test -d ${srcdir}/projects/llvm-poolalloc ; then
103 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
106 dnl Check for all other projects
107 for i in `ls ${srcdir}/projects`
109 if test -d ${srcdir}/projects/${i} ; then
111 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
112 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
113 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
114 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
115 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
116 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
117 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
118 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
126 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
132 dnl Disable the build of polly, even if it is checked out into tools/polly.
134 AS_HELP_STRING([--enable-polly],
135 [Use polly if available (default is YES)]),,
138 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
139 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
140 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
141 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
145 dnl Check if polly is checked out into tools/polly and configure it if
147 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
148 AC_SUBST(LLVM_HAS_POLLY,1)
149 AC_CONFIG_SUBDIRS([tools/polly])
152 dnl===-----------------------------------------------------------------------===
154 dnl=== SECTION 2: Architecture, target, and host checks
156 dnl===-----------------------------------------------------------------------===
158 dnl Check the target for which we're compiling and the host that will do the
159 dnl compilations. This will tell us which LLVM compiler will be used for
160 dnl compiling SSA into object code. This needs to be done early because
161 dnl following tests depend on it.
164 dnl Determine the platform type and cache its value. This helps us configure
165 dnl the System library to the correct build platform.
166 AC_CACHE_CHECK([type of operating system we're going to host on],
170 llvm_cv_link_all_option="-Wl,--whole-archive"
171 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
172 llvm_cv_os_type="AIX"
173 llvm_cv_platform_type="Unix" ;;
175 llvm_cv_link_all_option="-Wl,--whole-archive"
176 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
177 llvm_cv_os_type="IRIX"
178 llvm_cv_platform_type="Unix" ;;
180 llvm_cv_link_all_option="-Wl,--whole-archive"
181 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
182 llvm_cv_os_type="Cygwin"
183 llvm_cv_platform_type="Unix" ;;
185 llvm_cv_link_all_option="-Wl,-all_load"
186 llvm_cv_no_link_all_option="-Wl,-noall_load"
187 llvm_cv_os_type="Darwin"
188 llvm_cv_platform_type="Unix" ;;
190 llvm_cv_link_all_option="-Wl,-all_load"
191 llvm_cv_no_link_all_option="-Wl,-noall_load"
192 llvm_cv_os_type="Minix"
193 llvm_cv_platform_type="Unix" ;;
194 *-*-freebsd* | *-*-kfreebsd-gnu)
195 llvm_cv_link_all_option="-Wl,--whole-archive"
196 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
197 llvm_cv_os_type="FreeBSD"
198 llvm_cv_platform_type="Unix" ;;
200 llvm_cv_link_all_option="-Wl,--whole-archive"
201 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
202 llvm_cv_os_type="OpenBSD"
203 llvm_cv_platform_type="Unix" ;;
205 llvm_cv_link_all_option="-Wl,--whole-archive"
206 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
207 llvm_cv_os_type="NetBSD"
208 llvm_cv_platform_type="Unix" ;;
210 llvm_cv_link_all_option="-Wl,--whole-archive"
211 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
212 llvm_cv_os_type="DragonFly"
213 llvm_cv_platform_type="Unix" ;;
215 llvm_cv_link_all_option="-Wl,--whole-archive"
216 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
217 llvm_cv_os_type="HP-UX"
218 llvm_cv_platform_type="Unix" ;;
220 llvm_cv_link_all_option="-Wl,--whole-archive"
221 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
222 llvm_cv_os_type="Interix"
223 llvm_cv_platform_type="Unix" ;;
225 llvm_cv_link_all_option="-Wl,--whole-archive"
226 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
227 llvm_cv_os_type="Linux"
228 llvm_cv_platform_type="Unix" ;;
230 llvm_cv_link_all_option="-Wl,--whole-archive"
231 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
232 llvm_cv_os_type="GNU"
233 llvm_cv_platform_type="Unix" ;;
235 llvm_cv_link_all_option="-Wl,-z,allextract"
236 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
237 llvm_cv_os_type="SunOS"
238 llvm_cv_platform_type="Unix" ;;
240 llvm_cv_link_all_option="-Wl,-z,allextract"
241 llvm_cv_link_all_option="-Wl,-z,defaultextract"
242 llvm_cv_os_type="AuroraUX"
243 llvm_cv_platform_type="Unix" ;;
245 llvm_cv_link_all_option="-Wl,--whole-archive"
246 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
247 llvm_cv_os_type="Win32"
248 llvm_cv_platform_type="Win32" ;;
250 llvm_cv_link_all_option="-Wl,--whole-archive"
251 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
252 llvm_cv_os_type="MingW"
253 llvm_cv_platform_type="Win32" ;;
255 llvm_cv_link_all_option="-Wl,--whole-archive"
256 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
257 llvm_cv_os_type="Haiku"
258 llvm_cv_platform_type="Unix" ;;
260 llvm_cv_link_all_option="-Wl,--whole-archive"
261 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
262 llvm_cv_os_type="Freestanding"
263 llvm_cv_platform_type="Unix" ;;
265 llvm_cv_link_all_option="-Wl,--whole-archive"
266 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
267 llvm_cv_os_type="Freestanding"
268 llvm_cv_platform_type="Unix" ;;
270 llvm_cv_link_all_option=""
271 llvm_cv_no_link_all_option=""
272 llvm_cv_os_type="Unknown"
273 llvm_cv_platform_type="Unknown" ;;
276 AC_CACHE_CHECK([type of operating system we're going to target],
277 [llvm_cv_target_os_type],
280 llvm_cv_target_os_type="AIX" ;;
282 llvm_cv_target_os_type="IRIX" ;;
284 llvm_cv_target_os_type="Cygwin" ;;
286 llvm_cv_target_os_type="Darwin" ;;
288 llvm_cv_target_os_type="Minix" ;;
289 *-*-freebsd* | *-*-kfreebsd-gnu)
290 llvm_cv_target_os_type="FreeBSD" ;;
292 llvm_cv_target_os_type="OpenBSD" ;;
294 llvm_cv_target_os_type="NetBSD" ;;
296 llvm_cv_target_os_type="DragonFly" ;;
298 llvm_cv_target_os_type="HP-UX" ;;
300 llvm_cv_target_os_type="Interix" ;;
302 llvm_cv_target_os_type="Linux" ;;
304 llvm_cv_target_os_type="GNU" ;;
306 llvm_cv_target_os_type="SunOS" ;;
308 llvm_cv_target_os_type="AuroraUX" ;;
310 llvm_cv_target_os_type="Win32" ;;
312 llvm_cv_target_os_type="MingW" ;;
314 llvm_cv_target_os_type="Haiku" ;;
316 llvm_cv_target_os_type="RTEMS" ;;
318 llvm_cv_target_os_type="NativeClient" ;;
320 llvm_cv_target_os_type="Freestanding" ;;
322 llvm_cv_target_os_type="Unknown" ;;
325 dnl Make sure we aren't attempting to configure for an unknown system
326 if test "$llvm_cv_os_type" = "Unknown" ; then
327 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
330 dnl Set the "OS" Makefile variable based on the platform type so the
331 dnl makefile can configure itself to specific build hosts
332 AC_SUBST(OS,$llvm_cv_os_type)
333 AC_SUBST(HOST_OS,$llvm_cv_os_type)
334 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
336 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
337 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
338 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
340 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
341 dnl This is used by lib/Support to determine the basic kind of implementation
343 case $llvm_cv_platform_type in
345 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
346 AC_SUBST(LLVM_ON_UNIX,[1])
347 AC_SUBST(LLVM_ON_WIN32,[0])
350 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
351 AC_SUBST(LLVM_ON_UNIX,[0])
352 AC_SUBST(LLVM_ON_WIN32,[1])
356 dnl Determine what our target architecture is and configure accordingly.
357 dnl This will allow Makefiles to make a distinction between the hardware and
359 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
361 i?86-*) llvm_cv_target_arch="x86" ;;
362 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
363 sparc*-*) llvm_cv_target_arch="Sparc" ;;
364 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
365 arm*-*) llvm_cv_target_arch="ARM" ;;
366 mips-*) llvm_cv_target_arch="Mips" ;;
367 mipsel-*) llvm_cv_target_arch="Mips" ;;
368 xcore-*) llvm_cv_target_arch="XCore" ;;
369 msp430-*) llvm_cv_target_arch="MSP430" ;;
370 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
371 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
372 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
373 *) llvm_cv_target_arch="Unknown" ;;
376 if test "$llvm_cv_target_arch" = "Unknown" ; then
377 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
380 dnl Determine the LLVM native architecture for the target
381 case "$llvm_cv_target_arch" in
382 x86) LLVM_NATIVE_ARCH="X86" ;;
383 x86_64) LLVM_NATIVE_ARCH="X86" ;;
384 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
387 dnl Define a substitution, ARCH, for the target architecture
388 AC_SUBST(ARCH,$llvm_cv_target_arch)
390 dnl Determine what our host architecture.
391 dnl This will allow MCJIT regress tests runs only for supported
394 i?86-*) host_arch="x86" ;;
395 amd64-* | x86_64-*) host_arch="x86_64" ;;
396 sparc*-*) host_arch="Sparc" ;;
397 powerpc*-*) host_arch="PowerPC" ;;
398 arm*-*) host_arch="ARM" ;;
399 mips-*) host_arch="Mips" ;;
400 mipsel-*) host_arch="Mips" ;;
401 xcore-*) host_arch="XCore" ;;
402 msp430-*) host_arch="MSP430" ;;
403 hexagon-*) host_arch="Hexagon" ;;
404 mblaze-*) host_arch="MBlaze" ;;
405 *) host_arch="Unknown" ;;
408 if test "$host_arch" = "Unknown" ; then
409 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
412 AC_SUBST(HOST_ARCH,$host_arch)
414 dnl Check for the endianness of the target
415 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
417 dnl Check for build platform executable suffix if we're cross-compiling
418 if test "$cross_compiling" = yes; then
419 AC_SUBST(LLVM_CROSS_COMPILING, [1])
421 ac_build_prefix=${build_alias}-
422 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
423 if test -z "$BUILD_CXX"; then
424 AC_CHECK_PROG(BUILD_CXX, g++, g++)
425 if test -z "$BUILD_CXX"; then
426 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
430 AC_SUBST(LLVM_CROSS_COMPILING, [0])
433 dnl Check to see if there's a .svn or .git directory indicating that this
434 dnl build is being done from a checkout. This sets up several defaults for
435 dnl the command line switches. When we build with a checkout directory,
436 dnl we get a debug with assertions turned on. Without, we assume a source
437 dnl release and we get an optimized build without assertions.
438 dnl See --enable-optimized and --enable-assertions below
439 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
442 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
448 dnl===-----------------------------------------------------------------------===
450 dnl=== SECTION 3: Command line arguments for the configure script.
452 dnl===-----------------------------------------------------------------------===
454 dnl --enable-libcpp : check whether or not to use libc++ on the command line
455 AC_ARG_ENABLE(libcpp,
456 AS_HELP_STRING([--enable-libcpp],
457 [Use libc++ if available (default is NO)]),,
460 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
461 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
462 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
463 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
466 dnl --enable-optimized : check whether they want to do an optimized build:
467 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
468 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
469 if test ${enableval} = "no" ; then
470 AC_SUBST(ENABLE_OPTIMIZED,[[]])
472 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
475 dnl --enable-profiling : check whether they want to do a profile build:
476 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
477 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
478 if test ${enableval} = "no" ; then
479 AC_SUBST(ENABLE_PROFILING,[[]])
481 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
484 dnl --enable-assertions : check whether they want to turn on assertions or not:
485 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
486 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
487 if test ${enableval} = "yes" ; then
488 AC_SUBST(DISABLE_ASSERTIONS,[[]])
490 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
493 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
494 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
495 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
496 if test ${enableval} = "yes" ; then
497 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
498 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
500 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
501 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
504 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
505 AC_ARG_ENABLE(debug-runtime,
506 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
507 if test ${enableval} = "no" ; then
508 AC_SUBST(DEBUG_RUNTIME,[[]])
510 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
513 dnl --enable-debug-symbols : should even optimized compiler libraries
514 dnl have debug symbols?
515 AC_ARG_ENABLE(debug-symbols,
516 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)
517 if test ${enableval} = "no" ; then
518 AC_SUBST(DEBUG_SYMBOLS,[[]])
520 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
523 dnl --enable-jit: check whether they want to enable the jit
525 AS_HELP_STRING(--enable-jit,
526 [Enable Just In Time Compiling (default is YES)]),,
528 if test ${enableval} = "no"
532 case "$llvm_cv_target_arch" in
533 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
534 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
535 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
536 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
537 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
538 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
539 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
540 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
541 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
542 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
543 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
544 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
548 dnl Allow enablement of building and installing docs
550 AS_HELP_STRING([--enable-docs],
551 [Build documents (default is YES)]),,
554 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
555 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
556 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
557 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
560 dnl Allow enablement of doxygen generated documentation
561 AC_ARG_ENABLE(doxygen,
562 AS_HELP_STRING([--enable-doxygen],
563 [Build doxygen documentation (default is NO)]),,
566 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
567 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
568 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
569 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
572 dnl Allow disablement of threads
573 AC_ARG_ENABLE(threads,
574 AS_HELP_STRING([--enable-threads],
575 [Use threads if available (default is YES)]),,
578 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
579 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
580 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
581 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
583 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
584 [Define if threads enabled])
586 dnl Allow disablement of pthread.h
587 AC_ARG_ENABLE(pthreads,
588 AS_HELP_STRING([--enable-pthreads],
589 [Use pthreads if available (default is YES)]),,
592 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
593 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
594 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
595 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
598 dnl Allow building without position independent code
600 AS_HELP_STRING([--enable-pic],
601 [Build LLVM with Position Independent Code (default is YES)]),,
604 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
605 no) AC_SUBST(ENABLE_PIC,[0]) ;;
606 default) AC_SUBST(ENABLE_PIC,[1]) ;;
607 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
609 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
610 [Define if position independent code is enabled])
612 dnl Allow building a shared library and linking tools against it.
613 AC_ARG_ENABLE(shared,
614 AS_HELP_STRING([--enable-shared],
615 [Build a shared library and link tools against it (default is NO)]),,
618 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
619 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
620 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
621 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
624 dnl Allow libstdc++ is embedded in LLVM.dll.
625 AC_ARG_ENABLE(embed-stdcxx,
626 AS_HELP_STRING([--enable-embed-stdcxx],
627 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
630 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
631 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
632 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
633 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
636 dnl Enable embedding timestamp information into build.
637 AC_ARG_ENABLE(timestamps,
638 AS_HELP_STRING([--enable-timestamps],
639 [Enable embedding timestamp information in build (default is YES)]),,
642 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
643 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
644 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
645 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
647 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
648 [Define if timestamp information (e.g., __DATE___) is allowed])
650 dnl Allow specific targets to be specified for building (or not)
652 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
653 [Build specific host targets: all or target1,target2,... Valid targets are:
654 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
655 xcore, msp430, nvptx, and cpp (default=all)]),,
657 if test "$enableval" = host-only ; then
661 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;;
662 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
664 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
665 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
666 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
667 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
668 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
669 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
670 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
671 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
672 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
673 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
674 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
675 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
676 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
677 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
678 host) case "$llvm_cv_target_arch" in
679 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
680 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
681 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
682 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
683 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
684 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
685 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
686 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
687 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
688 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
689 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
690 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
691 *) AC_MSG_ERROR([Can not set target to build]) ;;
693 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
698 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
700 dnl Determine whether we are building LLVM support for the native architecture.
701 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
702 for a_target in $TARGETS_TO_BUILD; do
703 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
704 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
705 [LLVM architecture name for the native architecture, if available])
706 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
707 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
708 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
709 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
710 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
711 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
713 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
714 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
716 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
717 [LLVM name for the native Target init function, if available])
718 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
719 [LLVM name for the native TargetInfo init function, if available])
720 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
721 [LLVM name for the native target MC init function, if available])
722 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
723 [LLVM name for the native AsmPrinter init function, if available])
724 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
725 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
726 [LLVM name for the native AsmParser init function, if available])
728 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
729 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
730 [LLVM name for the native Disassembler init function, if available])
735 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
736 dnl target feature def files.
738 LLVM_ENUM_ASM_PRINTERS=""
739 LLVM_ENUM_ASM_PARSERS=""
740 LLVM_ENUM_DISASSEMBLERS=""
741 for target_to_build in $TARGETS_TO_BUILD; do
742 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
743 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
744 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
746 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
747 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
749 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
750 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
753 AC_SUBST(LLVM_ENUM_TARGETS)
754 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
755 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
756 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
758 dnl Override the option to use for optimized builds.
759 AC_ARG_WITH(optimize-option,
760 AS_HELP_STRING([--with-optimize-option],
761 [Select the compiler options to use for optimized builds]),,
763 AC_MSG_CHECKING([optimization flags])
766 case "$llvm_cv_os_type" in
767 FreeBSD) optimize_option=-O2 ;;
768 MingW) optimize_option=-O2 ;;
769 *) optimize_option=-O3 ;;
771 *) optimize_option="$withval" ;;
773 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
774 AC_MSG_RESULT([$optimize_option])
776 dnl Specify extra build options
777 AC_ARG_WITH(extra-options,
778 AS_HELP_STRING([--with-extra-options],
779 [Specify additional options to compile LLVM with]),,
782 default) EXTRA_OPTIONS= ;;
783 *) EXTRA_OPTIONS=$withval ;;
785 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
787 dnl Specify extra linker build options
788 AC_ARG_WITH(extra-ld-options,
789 AS_HELP_STRING([--with-extra-ld-options],
790 [Specify additional options to link LLVM with]),,
793 default) EXTRA_LD_OPTIONS= ;;
794 *) EXTRA_LD_OPTIONS=$withval ;;
796 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
798 dnl Allow specific bindings to be specified for building (or not)
799 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
800 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
804 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
805 all ) BINDINGS_TO_BUILD="ocaml" ;;
806 none | no) BINDINGS_TO_BUILD="" ;;
807 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
809 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
810 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
816 dnl Allow the ocaml libdir to be overridden. This could go in a configure
817 dnl script for bindings/ocaml/configure, except that its auto value depends on
818 dnl OCAMLC, which is found here to support tests.
819 AC_ARG_WITH([ocaml-libdir],
820 [AS_HELP_STRING([--with-ocaml-libdir],
821 [Specify install location for ocaml bindings (default is stdlib)])],
825 auto) with_ocaml_libdir="$withval" ;;
826 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
827 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
830 AC_ARG_WITH(clang-srcdir,
831 AS_HELP_STRING([--with-clang-srcdir],
832 [Directory to the out-of-tree Clang source]),,
835 -) clang_src_root="" ;;
836 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
837 *) clang_src_root="$ac_pwd/$withval" ;;
839 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
841 AC_ARG_WITH(clang-resource-dir,
842 AS_HELP_STRING([--with-clang-resource-dir],
843 [Relative directory from the Clang binary for resource files]),,
845 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
846 [Relative directory for resource files])
848 AC_ARG_WITH(c-include-dirs,
849 AS_HELP_STRING([--with-c-include-dirs],
850 [Colon separated list of directories clang will search for headers]),,
852 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
853 [Directories clang will search for headers])
855 # Clang normally uses the system c++ headers and libraries. With this option,
856 # clang will use the ones provided by a gcc installation instead. This option should
857 # be passed the same value that was used with --prefix when configuring gcc.
858 AC_ARG_WITH(gcc-toolchain,
859 AS_HELP_STRING([--with-gcc-toolchain],
860 [Directory where gcc is installed.]),,
862 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
863 [Directory where gcc is installed.])
865 AC_ARG_WITH(default-sysroot,
866 AS_HELP_STRING([--with-default-sysroot],
867 [Add --sysroot=<path> to all compiler invocations.]),,
869 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
870 [Default <path> to all compiler invocations for --sysroot=<path>.])
872 dnl Allow linking of LLVM with GPLv3 binutils code.
873 AC_ARG_WITH(binutils-include,
874 AS_HELP_STRING([--with-binutils-include],
875 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
878 default) WITH_BINUTILS_INCDIR=default ;;
879 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
880 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
882 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
883 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
884 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
885 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
886 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
890 dnl Specify the URL where bug reports should be submitted.
891 AC_ARG_WITH(bug-report-url,
892 AS_HELP_STRING([--with-bug-report-url],
893 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
894 withval="http://llvm.org/bugs/")
895 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
898 dnl --enable-libffi : check whether the user wants to turn off libffi:
899 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
900 --enable-libffi,[Check for the presence of libffi (default is NO)]),
901 [case "$enableval" in
902 yes) llvm_cv_enable_libffi="yes" ;;
903 no) llvm_cv_enable_libffi="no" ;;
904 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
906 llvm_cv_enable_libffi=no)
908 AC_ARG_WITH(internal-prefix,
909 AS_HELP_STRING([--with-internal-prefix],
910 [Installation directory for internal files]),,
912 AC_SUBST(INTERNAL_PREFIX,[$withval])
914 dnl===-----------------------------------------------------------------------===
916 dnl=== SECTION 4: Check for programs we need and that they are the right version
918 dnl===-----------------------------------------------------------------------===
923 dnl Check for the tools that the makefiles require
926 AC_PATH_PROG(CMP, [cmp], [cmp])
927 AC_PATH_PROG(CP, [cp], [cp])
928 AC_PATH_PROG(DATE, [date], [date])
929 AC_PATH_PROG(FIND, [find], [find])
930 AC_PATH_PROG(GREP, [grep], [grep])
931 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
932 AC_PATH_PROG(MV, [mv], [mv])
934 AC_CHECK_TOOL(AR, ar, false)
935 AC_PATH_PROG(RM, [rm], [rm])
936 AC_PATH_PROG(SED, [sed], [sed])
937 AC_PATH_PROG(TAR, [tar], [gtar])
938 AC_PATH_PROG(BINPWD,[pwd], [pwd])
940 dnl Looking for misc. graph plotting software
941 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
942 if test "$GRAPHVIZ" != "echo Graphviz" ; then
943 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
944 dnl If we're targeting for mingw we should emit windows paths, not msys
945 if test "$llvm_cv_os_type" = "MingW" ; then
946 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
948 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
949 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
951 AC_PATH_PROG(DOT, [dot], [echo dot])
952 if test "$DOT" != "echo dot" ; then
953 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
954 dnl If we're targeting for mingw we should emit windows paths, not msys
955 if test "$llvm_cv_os_type" = "MingW" ; then
956 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
958 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
959 [Define to path to dot program if found or 'echo dot' otherwise])
961 AC_PATH_PROG(FDP, [fdp], [echo fdp])
962 if test "$FDP" != "echo fdp" ; then
963 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
964 dnl If we're targeting for mingw we should emit windows paths, not msys
965 if test "$llvm_cv_os_type" = "MingW" ; then
966 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
968 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
969 [Define to path to fdp program if found or 'echo fdp' otherwise])
971 AC_PATH_PROG(NEATO, [neato], [echo neato])
972 if test "$NEATO" != "echo neato" ; then
973 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
974 dnl If we're targeting for mingw we should emit windows paths, not msys
975 if test "$llvm_cv_os_type" = "MingW" ; then
976 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
978 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
979 [Define to path to neato program if found or 'echo neato' otherwise])
981 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
982 if test "$TWOPI" != "echo twopi" ; then
983 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
984 dnl If we're targeting for mingw we should emit windows paths, not msys
985 if test "$llvm_cv_os_type" = "MingW" ; then
986 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
988 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
989 [Define to path to twopi program if found or 'echo twopi' otherwise])
991 AC_PATH_PROG(CIRCO, [circo], [echo circo])
992 if test "$CIRCO" != "echo circo" ; then
993 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
994 dnl If we're targeting for mingw we should emit windows paths, not msys
995 if test "$llvm_cv_os_type" = "MingW" ; then
996 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
998 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
999 [Define to path to circo program if found or 'echo circo' otherwise])
1001 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1002 if test "$GV" != "echo gv" ; then
1003 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1004 dnl If we're targeting for mingw we should emit windows paths, not msys
1005 if test "$llvm_cv_os_type" = "MingW" ; then
1006 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1008 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1009 [Define to path to gv program if found or 'echo gv' otherwise])
1011 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1012 if test "$DOTTY" != "echo dotty" ; then
1013 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1014 dnl If we're targeting for mingw we should emit windows paths, not msys
1015 if test "$llvm_cv_os_type" = "MingW" ; then
1016 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1018 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1019 [Define to path to dotty program if found or 'echo dotty' otherwise])
1021 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1022 if test "$XDOT_PY" != "echo xdot.py" ; then
1023 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1024 dnl If we're targeting for mingw we should emit windows paths, not msys
1025 if test "$llvm_cv_os_type" = "MingW" ; then
1026 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1028 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1029 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1032 dnl Find the install program
1034 dnl Prepend src dir to install path dir if it's a relative path
1035 dnl This is a hack for installs that take place in something other
1036 dnl than the top level.
1038 [[\\/$]]* | ?:[[\\/]]* ) ;;
1039 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1042 dnl Checks for documentation and testing tools that we can do without. If these
1043 dnl are not found then they are set to "true" which always succeeds but does
1044 dnl nothing. This just lets the build output show that we could have done
1045 dnl something if the tool was available.
1046 AC_PATH_PROG(BZIP2, [bzip2])
1047 AC_PATH_PROG(CAT, [cat])
1048 AC_PATH_PROG(DOXYGEN, [doxygen])
1049 AC_PATH_PROG(GROFF, [groff])
1050 AC_PATH_PROG(GZIPBIN, [gzip])
1051 AC_PATH_PROG(PDFROFF, [pdfroff])
1052 AC_PATH_PROG(RUNTEST, [runtest])
1054 AC_PATH_PROG(ZIP, [zip])
1055 AC_PATH_PROGS(OCAMLC, [ocamlc])
1056 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1057 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1058 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1059 AC_PATH_PROGS(GAS, [gas as])
1061 dnl Get the version of the linker in use.
1064 dnl Determine whether the linker supports the -R option.
1067 dnl Determine whether the linker supports the -export-dynamic option.
1068 AC_LINK_EXPORT_DYNAMIC
1070 dnl Determine whether the linker supports the --version-script option.
1071 AC_LINK_VERSION_SCRIPT
1073 dnl Check for libtool and the library that has dlopen function (which must come
1074 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1079 AC_MSG_CHECKING([tool compatibility])
1081 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1082 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1083 dnl to support those options.
1084 dnl "icc" emits gcc signatures
1085 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1097 if test "$GCC" != "yes" && test "$ICC" != "yes"
1099 AC_MSG_ERROR([gcc|icc required but not found])
1102 dnl Ensure that compilation tools are compatible with GCC extensions
1103 if test "$GXX" != "yes" && test "$IXX" != "yes"
1105 AC_MSG_ERROR([g++|clang++|icc required but not found])
1108 dnl Verify that GCC is version 3.0 or higher
1109 if test "$GCC" = "yes"
1111 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1112 #error Unsupported GCC version
1114 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1117 dnl Check for GNU Make. We use its extensions, so don't build without it
1118 if test -z "$llvm_cv_gnu_make_command"
1120 AC_MSG_ERROR([GNU Make required but not found])
1123 dnl Tool compatibility is okay if we make it here.
1126 dnl Check optional compiler flags.
1127 AC_MSG_CHECKING([optional compiler flags])
1128 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1129 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1130 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1131 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1133 dnl===-----------------------------------------------------------------------===
1135 dnl=== SECTION 5: Check for libraries
1137 dnl===-----------------------------------------------------------------------===
1140 if test "$llvm_cv_os_type" = "MingW" ; then
1141 AC_CHECK_LIB(imagehlp, main)
1142 AC_CHECK_LIB(psapi, main)
1145 dnl dlopen() is required for plugin support.
1146 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1147 [Define if dlopen() is available on this platform.]),
1148 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1150 dnl libffi is optional; used to call external functions from the interpreter
1151 if test "$llvm_cv_enable_libffi" = "yes" ; then
1152 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1153 [Define if libffi is available on this platform.]),
1154 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1157 dnl mallinfo is optional; the code can compile (minus features) without it
1158 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1159 [Define if mallinfo() is available on this platform.]))
1161 dnl pthread locking functions are optional - but llvm will not be thread-safe
1163 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1164 AC_CHECK_LIB(pthread, pthread_mutex_init)
1165 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1166 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1167 [Have pthread_mutex_lock]))
1168 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1169 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1170 [Have pthread_rwlock_init]))
1171 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1172 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1173 [Have pthread_getspecific]))
1176 dnl Allow extra x86-disassembler library
1178 AS_HELP_STRING([--with-udis86=<path>],
1179 [Use udis86 external x86 disassembler library]),
1181 AC_SUBST(USE_UDIS86, [1])
1184 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1186 AC_CHECK_LIB(udis86, ud_init, [], [
1187 echo "Error! You need to have libudis86 around."
1191 AC_SUBST(USE_UDIS86, [0]))
1192 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1193 [Define if use udis86 library])
1195 dnl Allow OProfile support for JIT output.
1196 AC_ARG_WITH(oprofile,
1197 AS_HELP_STRING([--with-oprofile=<prefix>],
1198 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1200 AC_SUBST(USE_OPROFILE, [1])
1202 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1204 AC_SUBST(USE_OPROFILE, [0]) ;;
1205 *) llvm_cv_oppath="${withval}/lib/oprofile"
1206 CPPFLAGS="-I${withval}/include";;
1208 case $llvm_cv_os_type in
1210 if test -n "$llvm_cv_oppath" ; then
1211 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1212 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1213 dnl libbfd is not included properly in libopagent in some Debian
1214 dnl versions. If libbfd isn't found at all, we assume opagent works
1216 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1217 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1218 echo "Error! You need to have libopagent around."
1221 AC_CHECK_HEADER([opagent.h], [], [
1222 echo "Error! You need to have opagent.h around."
1227 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1231 AC_SUBST(USE_OPROFILE, [0])
1233 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1234 [Define if we have the oprofile JIT-support library])
1236 dnl Enable support for Intel JIT Events API.
1237 AC_ARG_WITH(intel-jitevents,
1238 AS_HELP_STRING([--with-intel-jitevents=<vtune-amplifier-dir>],
1239 [Specify location of run-time support library for Intel JIT API (default=/opt/intel/vtune_amplifier_xe_2011)]),
1241 case $llvm_cv_os_type in
1242 Linux|Win32|Cygwin|MingW) ;;
1245 Intel JIT API support is available on Linux and Windows only."]) ;;
1248 AC_SUBST(USE_INTEL_JITEVENTS, [1])
1249 case "$llvm_cv_target_arch" in
1250 x86) llvm_intel_jitevents_archdir="lib32";;
1251 x86_64) llvm_intel_jitevents_archdir="lib64";;
1252 *) echo "Target architecture $llvm_cv_target_arch does not support Intel JIT Events API"
1255 INTEL_JITEVENTS_INCDIR="/opt/intel/vtune_amplifier_xe_2011/include"
1256 INTEL_JITEVENTS_LIBDIR="/opt/intel/vtune_amplifier_xe_2011/$llvm_intel_jitevents_archdir"
1258 /* | [[A-Za-z]]:[[\\/]]*) INTEL_JITEVENTS_INCDIR=$withval/include
1259 INTEL_JITEVENTS_LIBDIR=$withval/$llvm_intel_jitevents_archdir ;;
1263 AC_SUBST(INTEL_JITEVENTS_INCDIR)
1264 AC_SUBST(INTEL_JITEVENTS_LIBDIR)
1266 LIBS="$LIBS -L${INTEL_JITEVENTS_LIBDIR}"
1267 CPPFLAGS="$CPPFLAGS -I$INTEL_JITEVENTS_INCDIR"
1269 AC_SEARCH_LIBS(iJIT_IsProfilingActive, jitprofiling, [], [
1270 echo "Error! Cannot find libjitprofiling.a. Please check path specified in flag --with-intel-jitevents"
1273 AC_CHECK_HEADER([jitprofiling.h], [], [
1274 echo "Error! Cannot find jitprofiling.h. Please check path specified in flag --with-intel-jitevents"
1280 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1282 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1283 [Define if we have the Intel JIT API runtime support library])
1285 dnl===-----------------------------------------------------------------------===
1287 dnl=== SECTION 6: Check for header files
1289 dnl===-----------------------------------------------------------------------===
1291 dnl First, use autoconf provided macros for specific headers that we need
1292 dnl We don't check for ancient stuff or things that are guaranteed to be there
1293 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1294 dnl Generally we're looking for POSIX headers.
1296 AC_HEADER_MMAP_ANONYMOUS
1301 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1302 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1303 AC_CHECK_HEADERS([utime.h windows.h])
1304 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1305 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1306 AC_CHECK_HEADERS([valgrind/valgrind.h])
1307 AC_CHECK_HEADERS([fenv.h])
1308 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1309 AC_CHECK_HEADERS(pthread.h,
1310 AC_SUBST(HAVE_PTHREAD, 1),
1311 AC_SUBST(HAVE_PTHREAD, 0))
1313 AC_SUBST(HAVE_PTHREAD, 0)
1316 dnl Try to find ffi.h.
1317 if test "$llvm_cv_enable_libffi" = "yes" ; then
1318 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1321 dnl Try to find Darwin specific crash reporting libraries.
1322 AC_CHECK_HEADERS([CrashReporterClient.h])
1324 dnl Try to find Darwin specific crash reporting global.
1325 AC_MSG_CHECKING([__crashreporter_info__])
1328 [[extern const char *__crashreporter_info__;
1330 __crashreporter_info__ = "test";
1335 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1337 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1338 Define if __crashreporter_info__ exists.))
1340 dnl===-----------------------------------------------------------------------===
1342 dnl=== SECTION 7: Check for types and structures
1344 dnl===-----------------------------------------------------------------------===
1349 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1351 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1352 AC_CHECK_TYPES([uint64_t],,
1353 AC_CHECK_TYPES([u_int64_t],,
1354 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1356 dnl===-----------------------------------------------------------------------===
1358 dnl=== SECTION 8: Check for specific functions needed
1360 dnl===-----------------------------------------------------------------------===
1362 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1363 AC_CHECK_FUNCS([powf fmodf strtof round ])
1364 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1365 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1366 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1367 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1368 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1369 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1373 dnl Check the declaration "Secure API" on Windows environments.
1374 AC_CHECK_DECLS([strerror_s])
1376 dnl Check symbols in libgcc.a for JIT on Mingw.
1377 if test "$llvm_cv_os_type" = "MingW" ; then
1378 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1379 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1380 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1381 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1383 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1384 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1385 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1386 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1387 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1388 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1389 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1390 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1391 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1392 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1394 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1395 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1398 dnl Check Win32 API EnumerateLoadedModules.
1399 if test "$llvm_cv_os_type" = "MingW" ; then
1400 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1401 AC_COMPILE_IFELSE([[#include <windows.h>
1402 #include <imagehlp.h>
1403 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1404 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1406 AC_MSG_RESULT([yes])
1407 llvm_cv_win32_elmcb_pcstr="PCSTR"
1411 llvm_cv_win32_elmcb_pcstr="PSTR"
1413 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1416 dnl Check for variations in the Standard C++ library and STL. These macros are
1417 dnl provided by LLVM in the autoconf/m4 directory.
1421 dnl Check for mmap support.We also need to know if /dev/zero is required to
1422 dnl be opened for allocating RWX memory.
1423 dnl Make sure we aren't attempting to configure for an unknown system
1424 if test "$llvm_cv_platform_type" = "Unix" ; then
1427 AC_NEED_DEV_ZERO_FOR_MMAP
1429 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1431 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1433 if test "$ac_cv_func_mmap_file" = "no"
1435 AC_MSG_WARN([mmap() of files required but not found])
1439 dnl atomic builtins are required for threading support.
1440 AC_MSG_CHECKING(for GCC atomic builtins)
1441 dnl Since we'll be using these atomic builtins in C++ files we should test
1442 dnl the C++ compiler.
1447 volatile unsigned long val = 1;
1448 __sync_synchronize();
1449 __sync_val_compare_and_swap(&val, 1, 0);
1450 __sync_add_and_fetch(&val, 1);
1451 __sync_sub_and_fetch(&val, 1);
1457 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1459 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1460 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1462 dnl===-----------------------------------------------------------------------===
1464 dnl=== SECTION 9: Additional checks, variables, etc.
1466 dnl===-----------------------------------------------------------------------===
1468 dnl Handle 32-bit linux systems running a 64-bit kernel.
1469 dnl This has to come after section 4 because it invokes the compiler.
1470 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1472 if test "$llvm_cv_linux_mixed" = "yes"; then
1473 llvm_cv_target_arch="x86"
1478 dnl Check whether __dso_handle is present
1479 AC_CHECK_FUNCS([__dso_handle])
1481 dnl Propagate the shared library extension that the libltdl checks did to
1482 dnl the Makefiles so we can use it there too
1483 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1485 dnl Propagate the run-time library path variable that the libltdl
1486 dnl checks found to the Makefiles so we can use it there too
1487 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1489 dnl Translate the various configuration directories and other basic
1490 dnl information into substitutions that will end up in Makefile.config.in
1491 dnl that these configured values can be used by the makefiles
1492 if test "${prefix}" = "NONE" ; then
1495 eval LLVM_PREFIX="${prefix}";
1496 eval LLVM_BINDIR="${prefix}/bin";
1497 eval LLVM_LIBDIR="${prefix}/lib";
1498 eval LLVM_DATADIR="${prefix}/share/llvm";
1499 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1500 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1501 eval LLVM_INCLUDEDIR="${prefix}/include";
1502 eval LLVM_INFODIR="${prefix}/info";
1503 eval LLVM_MANDIR="${prefix}/man";
1504 LLVM_CONFIGTIME=`date`
1505 AC_SUBST(LLVM_PREFIX)
1506 AC_SUBST(LLVM_BINDIR)
1507 AC_SUBST(LLVM_LIBDIR)
1508 AC_SUBST(LLVM_DATADIR)
1509 AC_SUBST(LLVM_DOCSDIR)
1510 AC_SUBST(LLVM_ETCDIR)
1511 AC_SUBST(LLVM_INCLUDEDIR)
1512 AC_SUBST(LLVM_INFODIR)
1513 AC_SUBST(LLVM_MANDIR)
1514 AC_SUBST(LLVM_CONFIGTIME)
1516 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1517 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1518 LLVM_CONFIGTIME="(timestamp not enabled)"
1521 dnl Place the various directories into the config.h file as #defines so that we
1522 dnl can know about the installation paths within LLVM.
1523 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1524 [Installation prefix directory])
1525 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1526 [Installation directory for binary executables])
1527 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1528 [Installation directory for libraries])
1529 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1530 [Installation directory for data files])
1531 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1532 [Installation directory for documentation])
1533 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1534 [Installation directory for config files])
1535 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1536 [Installation directory for include files])
1537 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1538 [Installation directory for .info files])
1539 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1540 [Installation directory for man pages])
1541 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1542 [Time at which LLVM was configured])
1543 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1544 [Target triple LLVM will generate code for by default])
1546 dnl Determine which bindings to build.
1547 if test "$BINDINGS_TO_BUILD" = auto ; then
1548 BINDINGS_TO_BUILD=""
1549 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1550 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1553 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1555 dnl This isn't really configurey, but it avoids having to repeat the list in
1557 AC_SUBST(ALL_BINDINGS,ocaml)
1559 dnl Do any work necessary to ensure that bindings have what they need.
1560 binding_prereqs_failed=0
1561 for a_binding in $BINDINGS_TO_BUILD ; do
1562 case "$a_binding" in
1564 if test "x$OCAMLC" = x ; then
1565 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1566 binding_prereqs_failed=1
1568 if test "x$OCAMLDEP" = x ; then
1569 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1570 binding_prereqs_failed=1
1572 if test "x$OCAMLOPT" = x ; then
1573 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1574 dnl ocamlopt is optional!
1576 if test "x$with_ocaml_libdir" != xauto ; then
1577 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1579 ocaml_stdlib="`"$OCAMLC" -where`"
1580 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1582 # ocaml stdlib is beneath our prefix; use stdlib
1583 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1585 # ocaml stdlib is outside our prefix; use libdir/ocaml
1586 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1592 if test "$binding_prereqs_failed" = 1 ; then
1593 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1596 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1597 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1599 dnl Determine linker rpath flag
1600 if test "$llvm_cv_link_use_r" = "yes" ; then
1607 dnl Determine linker rdynamic flag
1608 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1609 RDYNAMIC="-Wl,-export-dynamic"
1615 dnl===-----------------------------------------------------------------------===
1617 dnl=== SECTION 10: Specify the output files and generate it
1619 dnl===-----------------------------------------------------------------------===
1621 dnl Configure header files
1622 dnl WARNING: dnl If you add or remove any of the following config headers, then
1623 dnl you MUST also update Makefile so that the variable FilesToConfig
1624 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1625 dnl files can be updated automatically when their *.in sources change.
1626 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1627 AH_TOP([#ifndef CONFIG_H
1631 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1632 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1633 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1634 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1635 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1637 dnl Configure the makefile's configuration data
1638 AC_CONFIG_FILES([Makefile.config])
1640 dnl Configure the RPM spec file for LLVM
1641 AC_CONFIG_FILES([llvm.spec])
1643 dnl Configure doxygen's configuration file
1644 AC_CONFIG_FILES([docs/doxygen.cfg])
1646 dnl Configure clang, if present
1647 if test "${clang_src_root}" = ""; then
1648 clang_src_root="$srcdir/tools/clang"
1650 if test -f ${clang_src_root}/README.txt; then
1651 dnl Use variables to stay under 80 columns.
1652 configh="include/clang/Config/config.h"
1653 doxy="docs/doxygen.cfg"
1654 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1655 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1658 dnl OCaml findlib META file
1659 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1661 dnl Do special configuration of Makefiles
1662 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1663 AC_CONFIG_MAKEFILE(Makefile)
1664 AC_CONFIG_MAKEFILE(Makefile.common)
1665 AC_CONFIG_MAKEFILE(examples/Makefile)
1666 AC_CONFIG_MAKEFILE(lib/Makefile)
1667 AC_CONFIG_MAKEFILE(runtime/Makefile)
1668 AC_CONFIG_MAKEFILE(test/Makefile)
1669 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1670 AC_CONFIG_MAKEFILE(unittests/Makefile)
1671 AC_CONFIG_MAKEFILE(tools/Makefile)
1672 AC_CONFIG_MAKEFILE(utils/Makefile)
1673 AC_CONFIG_MAKEFILE(projects/Makefile)
1674 AC_CONFIG_MAKEFILE(bindings/Makefile)
1675 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1677 dnl Finally, crank out the output