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 "${srcdir}/.git"; then
442 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
448 dnl===-----------------------------------------------------------------------===
450 dnl=== SECTION 3: Command line arguments for the configure script.
452 dnl===-----------------------------------------------------------------------===
454 dnl --enable-libcpp : check whether or not to use libc++ on the command line
455 AC_ARG_ENABLE(libcpp,
456 AS_HELP_STRING([--enable-libcpp],
457 [Use libc++ if available (default is NO)]),,
460 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
461 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
462 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
463 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
466 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
468 AS_HELP_STRING([--enable-cxx11],
469 [Use c++11 if available (default is NO)]),,
472 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
473 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
474 default) AC_SUBST(ENABLE_CXX11,[0]);;
475 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
478 dnl --enable-optimized : check whether they want to do an optimized build:
479 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
480 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
481 if test ${enableval} = "no" ; then
482 AC_SUBST(ENABLE_OPTIMIZED,[[]])
484 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
487 dnl --enable-profiling : check whether they want to do a profile build:
488 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
489 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
490 if test ${enableval} = "no" ; then
491 AC_SUBST(ENABLE_PROFILING,[[]])
493 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
496 dnl --enable-assertions : check whether they want to turn on assertions or not:
497 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
498 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
499 if test ${enableval} = "yes" ; then
500 AC_SUBST(DISABLE_ASSERTIONS,[[]])
502 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
505 dnl --enable-werror : check whether we want Werror on by default
506 AC_ARG_ENABLE(werror,AS_HELP_STRING(
507 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
509 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
510 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
511 default) AC_SUBST(ENABLE_WERROR,[0]);;
512 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
515 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
516 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
517 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
518 if test ${enableval} = "yes" ; then
519 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
520 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
522 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
523 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
526 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
527 AC_ARG_ENABLE(debug-runtime,
528 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
529 if test ${enableval} = "no" ; then
530 AC_SUBST(DEBUG_RUNTIME,[[]])
532 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
535 dnl --enable-debug-symbols : should even optimized compiler libraries
536 dnl have debug symbols?
537 AC_ARG_ENABLE(debug-symbols,
538 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)
539 if test ${enableval} = "no" ; then
540 AC_SUBST(DEBUG_SYMBOLS,[[]])
542 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
545 dnl --enable-keep-symbols : do not strip installed executables
546 AC_ARG_ENABLE(keep-symbols,
547 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no)
548 if test ${enableval} = "no" ; then
549 AC_SUBST(KEEP_SYMBOLS,[[]])
551 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]])
554 dnl --enable-jit: check whether they want to enable the jit
556 AS_HELP_STRING(--enable-jit,
557 [Enable Just In Time Compiling (default is YES)]),,
559 if test ${enableval} = "no"
563 case "$llvm_cv_target_arch" in
564 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
565 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
566 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
567 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
568 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
569 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
570 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
571 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
572 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
573 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
574 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
575 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
579 dnl Allow enablement of building and installing docs
581 AS_HELP_STRING([--enable-docs],
582 [Build documents (default is YES)]),,
585 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
586 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
587 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
588 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
591 dnl Allow enablement of doxygen generated documentation
592 AC_ARG_ENABLE(doxygen,
593 AS_HELP_STRING([--enable-doxygen],
594 [Build doxygen documentation (default is NO)]),,
597 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
598 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
599 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
600 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
603 dnl Allow disablement of threads
604 AC_ARG_ENABLE(threads,
605 AS_HELP_STRING([--enable-threads],
606 [Use threads if available (default is YES)]),,
609 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
610 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
611 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
612 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
614 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
615 [Define if threads enabled])
617 dnl Allow disablement of pthread.h
618 AC_ARG_ENABLE(pthreads,
619 AS_HELP_STRING([--enable-pthreads],
620 [Use pthreads if available (default is YES)]),,
623 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
624 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
625 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
626 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
629 dnl Allow building without position independent code
631 AS_HELP_STRING([--enable-pic],
632 [Build LLVM with Position Independent Code (default is YES)]),,
635 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
636 no) AC_SUBST(ENABLE_PIC,[0]) ;;
637 default) AC_SUBST(ENABLE_PIC,[1]) ;;
638 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
640 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
641 [Define if position independent code is enabled])
643 dnl Allow building a shared library and linking tools against it.
644 AC_ARG_ENABLE(shared,
645 AS_HELP_STRING([--enable-shared],
646 [Build a shared library and link tools against it (default is NO)]),,
649 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
650 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
651 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
652 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
655 dnl Allow libstdc++ is embedded in LLVM.dll.
656 AC_ARG_ENABLE(embed-stdcxx,
657 AS_HELP_STRING([--enable-embed-stdcxx],
658 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
661 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
662 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
663 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
664 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
667 dnl Enable embedding timestamp information into build.
668 AC_ARG_ENABLE(timestamps,
669 AS_HELP_STRING([--enable-timestamps],
670 [Enable embedding timestamp information in build (default is YES)]),,
673 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
674 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
675 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
676 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
678 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
679 [Define if timestamp information (e.g., __DATE__) is allowed])
681 dnl Allow specific targets to be specified for building (or not)
683 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
684 [Build specific host targets: all or target1,target2,... Valid targets are:
685 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
686 xcore, msp430, nvptx, and cpp (default=all)]),,
688 if test "$enableval" = host-only ; then
692 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;;
693 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
695 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
696 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
697 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
698 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
699 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
700 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
701 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
702 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
703 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
704 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
705 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
706 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
707 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
708 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
709 host) case "$llvm_cv_target_arch" in
710 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
711 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
712 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
713 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
714 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
715 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
716 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
717 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
718 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
719 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
720 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
721 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
722 *) AC_MSG_ERROR([Can not set target to build]) ;;
724 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
730 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
731 [Build experimental host targets: disable or target1,target2,...
732 (default=disable)]),,
735 if test ${enableval} != "disable"
737 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
740 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
742 dnl Determine whether we are building LLVM support for the native architecture.
743 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
744 for a_target in $TARGETS_TO_BUILD; do
745 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
746 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
747 [LLVM architecture name for the native architecture, if available])
748 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
749 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
750 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
751 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
752 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
753 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
755 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
756 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
758 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
759 [LLVM name for the native Target init function, if available])
760 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
761 [LLVM name for the native TargetInfo init function, if available])
762 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
763 [LLVM name for the native target MC init function, if available])
764 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
765 [LLVM name for the native AsmPrinter init function, if available])
766 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
767 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
768 [LLVM name for the native AsmParser init function, if available])
770 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
771 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
772 [LLVM name for the native Disassembler init function, if available])
777 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
778 dnl target feature def files.
780 LLVM_ENUM_ASM_PRINTERS=""
781 LLVM_ENUM_ASM_PARSERS=""
782 LLVM_ENUM_DISASSEMBLERS=""
783 for target_to_build in $TARGETS_TO_BUILD; do
784 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
785 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
786 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
788 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
789 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
791 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
792 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
795 AC_SUBST(LLVM_ENUM_TARGETS)
796 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
797 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
798 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
800 dnl Override the option to use for optimized builds.
801 AC_ARG_WITH(optimize-option,
802 AS_HELP_STRING([--with-optimize-option],
803 [Select the compiler options to use for optimized builds]),,
805 AC_MSG_CHECKING([optimization flags])
808 case "$llvm_cv_os_type" in
809 FreeBSD) optimize_option=-O2 ;;
810 MingW) optimize_option=-O2 ;;
811 *) optimize_option=-O3 ;;
813 *) optimize_option="$withval" ;;
815 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
816 AC_MSG_RESULT([$optimize_option])
818 dnl Specify extra build options
819 AC_ARG_WITH(extra-options,
820 AS_HELP_STRING([--with-extra-options],
821 [Specify additional options to compile LLVM with]),,
824 default) EXTRA_OPTIONS= ;;
825 *) EXTRA_OPTIONS=$withval ;;
827 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
829 dnl Specify extra linker build options
830 AC_ARG_WITH(extra-ld-options,
831 AS_HELP_STRING([--with-extra-ld-options],
832 [Specify additional options to link LLVM with]),,
835 default) EXTRA_LD_OPTIONS= ;;
836 *) EXTRA_LD_OPTIONS=$withval ;;
838 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
840 dnl Allow specific bindings to be specified for building (or not)
841 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
842 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
846 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
847 all ) BINDINGS_TO_BUILD="ocaml" ;;
848 none | no) BINDINGS_TO_BUILD="" ;;
849 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
851 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
852 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
858 dnl Allow the ocaml libdir to be overridden. This could go in a configure
859 dnl script for bindings/ocaml/configure, except that its auto value depends on
860 dnl OCAMLC, which is found here to support tests.
861 AC_ARG_WITH([ocaml-libdir],
862 [AS_HELP_STRING([--with-ocaml-libdir],
863 [Specify install location for ocaml bindings (default is stdlib)])],
867 auto) with_ocaml_libdir="$withval" ;;
868 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
869 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
872 AC_ARG_WITH(clang-srcdir,
873 AS_HELP_STRING([--with-clang-srcdir],
874 [Directory to the out-of-tree Clang source]),,
877 -) clang_src_root="" ;;
878 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
879 *) clang_src_root="$ac_pwd/$withval" ;;
881 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
883 AC_ARG_WITH(clang-resource-dir,
884 AS_HELP_STRING([--with-clang-resource-dir],
885 [Relative directory from the Clang binary for resource files]),,
887 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
888 [Relative directory for resource files])
890 AC_ARG_WITH(c-include-dirs,
891 AS_HELP_STRING([--with-c-include-dirs],
892 [Colon separated list of directories clang will search for headers]),,
894 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
895 [Directories clang will search for headers])
897 # Clang normally uses the system c++ headers and libraries. With this option,
898 # clang will use the ones provided by a gcc installation instead. This option should
899 # be passed the same value that was used with --prefix when configuring gcc.
900 AC_ARG_WITH(gcc-toolchain,
901 AS_HELP_STRING([--with-gcc-toolchain],
902 [Directory where gcc is installed.]),,
904 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
905 [Directory where gcc is installed.])
907 AC_ARG_WITH(default-sysroot,
908 AS_HELP_STRING([--with-default-sysroot],
909 [Add --sysroot=<path> to all compiler invocations.]),,
911 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
912 [Default <path> to all compiler invocations for --sysroot=<path>.])
914 dnl Allow linking of LLVM with GPLv3 binutils code.
915 AC_ARG_WITH(binutils-include,
916 AS_HELP_STRING([--with-binutils-include],
917 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
920 default) WITH_BINUTILS_INCDIR=default ;;
921 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
922 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
924 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
925 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
926 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
927 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
928 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
932 dnl Specify the URL where bug reports should be submitted.
933 AC_ARG_WITH(bug-report-url,
934 AS_HELP_STRING([--with-bug-report-url],
935 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
936 withval="http://llvm.org/bugs/")
937 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
940 dnl --enable-libffi : check whether the user wants to turn off libffi:
941 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
942 --enable-libffi,[Check for the presence of libffi (default is NO)]),
943 [case "$enableval" in
944 yes) llvm_cv_enable_libffi="yes" ;;
945 no) llvm_cv_enable_libffi="no" ;;
946 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
948 llvm_cv_enable_libffi=no)
950 AC_ARG_WITH(internal-prefix,
951 AS_HELP_STRING([--with-internal-prefix],
952 [Installation directory for internal files]),,
954 AC_SUBST(INTERNAL_PREFIX,[$withval])
956 dnl===-----------------------------------------------------------------------===
958 dnl=== SECTION 4: Check for programs we need and that they are the right version
960 dnl===-----------------------------------------------------------------------===
965 dnl Check for the tools that the makefiles require
968 AC_PATH_PROG(CMP, [cmp], [cmp])
969 AC_PATH_PROG(CP, [cp], [cp])
970 AC_PATH_PROG(DATE, [date], [date])
971 AC_PATH_PROG(FIND, [find], [find])
972 AC_PATH_PROG(GREP, [grep], [grep])
973 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
974 AC_PATH_PROG(MV, [mv], [mv])
976 AC_CHECK_TOOL(AR, ar, false)
977 AC_PATH_PROG(RM, [rm], [rm])
978 AC_PATH_PROG(SED, [sed], [sed])
979 AC_PATH_PROG(TAR, [tar], [gtar])
980 AC_PATH_PROG(BINPWD,[pwd], [pwd])
982 dnl Looking for misc. graph plotting software
983 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
984 if test "$GRAPHVIZ" != "echo Graphviz" ; then
985 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
986 dnl If we're targeting for mingw we should emit windows paths, not msys
987 if test "$llvm_cv_os_type" = "MingW" ; then
988 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
990 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
991 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
993 AC_PATH_PROG(DOT, [dot], [echo dot])
994 if test "$DOT" != "echo dot" ; then
995 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
996 dnl If we're targeting for mingw we should emit windows paths, not msys
997 if test "$llvm_cv_os_type" = "MingW" ; then
998 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1000 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1001 [Define to path to dot program if found or 'echo dot' otherwise])
1003 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1004 if test "$FDP" != "echo fdp" ; then
1005 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1006 dnl If we're targeting for mingw we should emit windows paths, not msys
1007 if test "$llvm_cv_os_type" = "MingW" ; then
1008 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1010 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1011 [Define to path to fdp program if found or 'echo fdp' otherwise])
1013 AC_PATH_PROG(NEATO, [neato], [echo neato])
1014 if test "$NEATO" != "echo neato" ; then
1015 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1016 dnl If we're targeting for mingw we should emit windows paths, not msys
1017 if test "$llvm_cv_os_type" = "MingW" ; then
1018 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1020 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1021 [Define to path to neato program if found or 'echo neato' otherwise])
1023 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1024 if test "$TWOPI" != "echo twopi" ; then
1025 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1026 dnl If we're targeting for mingw we should emit windows paths, not msys
1027 if test "$llvm_cv_os_type" = "MingW" ; then
1028 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1030 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1031 [Define to path to twopi program if found or 'echo twopi' otherwise])
1033 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1034 if test "$CIRCO" != "echo circo" ; then
1035 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1036 dnl If we're targeting for mingw we should emit windows paths, not msys
1037 if test "$llvm_cv_os_type" = "MingW" ; then
1038 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1040 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1041 [Define to path to circo program if found or 'echo circo' otherwise])
1043 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1044 if test "$GV" != "echo gv" ; then
1045 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1046 dnl If we're targeting for mingw we should emit windows paths, not msys
1047 if test "$llvm_cv_os_type" = "MingW" ; then
1048 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1050 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1051 [Define to path to gv program if found or 'echo gv' otherwise])
1053 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1054 if test "$DOTTY" != "echo dotty" ; then
1055 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1056 dnl If we're targeting for mingw we should emit windows paths, not msys
1057 if test "$llvm_cv_os_type" = "MingW" ; then
1058 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1060 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1061 [Define to path to dotty program if found or 'echo dotty' otherwise])
1063 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1064 if test "$XDOT_PY" != "echo xdot.py" ; then
1065 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1066 dnl If we're targeting for mingw we should emit windows paths, not msys
1067 if test "$llvm_cv_os_type" = "MingW" ; then
1068 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1070 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1071 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1074 dnl Find the install program
1076 dnl Prepend src dir to install path dir if it's a relative path
1077 dnl This is a hack for installs that take place in something other
1078 dnl than the top level.
1080 [[\\/$]]* | ?:[[\\/]]* ) ;;
1081 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1084 dnl Checks for documentation and testing tools that we can do without. If these
1085 dnl are not found then they are set to "true" which always succeeds but does
1086 dnl nothing. This just lets the build output show that we could have done
1087 dnl something if the tool was available.
1088 AC_PATH_PROG(BZIP2, [bzip2])
1089 AC_PATH_PROG(CAT, [cat])
1090 AC_PATH_PROG(DOXYGEN, [doxygen])
1091 AC_PATH_PROG(GROFF, [groff])
1092 AC_PATH_PROG(GZIPBIN, [gzip])
1093 AC_PATH_PROG(PDFROFF, [pdfroff])
1094 AC_PATH_PROG(ZIP, [zip])
1095 AC_PATH_PROGS(OCAMLC, [ocamlc])
1096 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1097 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1098 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1099 AC_PATH_PROGS(GAS, [gas as])
1101 dnl Get the version of the linker in use.
1104 dnl Determine whether the linker supports the -R option.
1107 dnl Determine whether the linker supports the -export-dynamic option.
1108 AC_LINK_EXPORT_DYNAMIC
1110 dnl Determine whether the linker supports the --version-script option.
1111 AC_LINK_VERSION_SCRIPT
1113 dnl Check for libtool and the library that has dlopen function (which must come
1114 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1119 AC_MSG_CHECKING([tool compatibility])
1121 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1122 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1123 dnl to support those options.
1124 dnl "icc" emits gcc signatures
1125 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1137 if test "$GCC" != "yes" && test "$ICC" != "yes"
1139 AC_MSG_ERROR([gcc|icc required but not found])
1142 dnl Ensure that compilation tools are compatible with GCC extensions
1143 if test "$GXX" != "yes" && test "$IXX" != "yes"
1145 AC_MSG_ERROR([g++|clang++|icc required but not found])
1148 dnl Verify that GCC is version 3.0 or higher
1149 if test "$GCC" = "yes"
1151 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1152 #error Unsupported GCC version
1154 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1157 dnl Check for GNU Make. We use its extensions, so don't build without it
1158 if test -z "$llvm_cv_gnu_make_command"
1160 AC_MSG_ERROR([GNU Make required but not found])
1163 dnl Tool compatibility is okay if we make it here.
1166 dnl Check optional compiler flags.
1167 AC_MSG_CHECKING([optional compiler flags])
1168 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1169 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1170 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1171 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1173 dnl===-----------------------------------------------------------------------===
1175 dnl=== SECTION 5: Check for libraries
1177 dnl===-----------------------------------------------------------------------===
1180 if test "$llvm_cv_os_type" = "MingW" ; then
1181 AC_CHECK_LIB(imagehlp, main)
1182 AC_CHECK_LIB(psapi, main)
1185 dnl dlopen() is required for plugin support.
1186 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1187 [Define if dlopen() is available on this platform.]),
1188 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1190 dnl libffi is optional; used to call external functions from the interpreter
1191 if test "$llvm_cv_enable_libffi" = "yes" ; then
1192 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1193 [Define if libffi is available on this platform.]),
1194 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1197 dnl mallinfo is optional; the code can compile (minus features) without it
1198 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1199 [Define if mallinfo() is available on this platform.]))
1201 dnl pthread locking functions are optional - but llvm will not be thread-safe
1203 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1204 AC_CHECK_LIB(pthread, pthread_mutex_init)
1205 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1206 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1207 [Have pthread_mutex_lock]))
1208 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1209 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1210 [Have pthread_rwlock_init]))
1211 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1212 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1213 [Have pthread_getspecific]))
1216 dnl Allow extra x86-disassembler library
1218 AS_HELP_STRING([--with-udis86=<path>],
1219 [Use udis86 external x86 disassembler library]),
1221 AC_SUBST(USE_UDIS86, [1])
1224 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1226 AC_CHECK_LIB(udis86, ud_init, [], [
1227 echo "Error! You need to have libudis86 around."
1231 AC_SUBST(USE_UDIS86, [0]))
1232 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1233 [Define if use udis86 library])
1235 dnl Allow OProfile support for JIT output.
1236 AC_ARG_WITH(oprofile,
1237 AS_HELP_STRING([--with-oprofile=<prefix>],
1238 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1240 AC_SUBST(USE_OPROFILE, [1])
1242 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1244 AC_SUBST(USE_OPROFILE, [0]) ;;
1245 *) llvm_cv_oppath="${withval}/lib/oprofile"
1246 CPPFLAGS="-I${withval}/include";;
1248 case $llvm_cv_os_type in
1250 if test -n "$llvm_cv_oppath" ; then
1251 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1252 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1253 dnl libbfd is not included properly in libopagent in some Debian
1254 dnl versions. If libbfd isn't found at all, we assume opagent works
1256 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1257 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1258 echo "Error! You need to have libopagent around."
1261 AC_CHECK_HEADER([opagent.h], [], [
1262 echo "Error! You need to have opagent.h around."
1267 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1271 AC_SUBST(USE_OPROFILE, [0])
1273 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1274 [Define if we have the oprofile JIT-support library])
1276 dnl Enable support for Intel JIT Events API.
1277 AC_ARG_WITH(intel-jitevents,
1278 AS_HELP_STRING([--with-intel-jitevents=<vtune-amplifier-dir>],
1279 [Specify location of run-time support library for Intel JIT API (default=/opt/intel/vtune_amplifier_xe_2011)]),
1281 case $llvm_cv_os_type in
1282 Linux|Win32|Cygwin|MingW) ;;
1285 Intel JIT API support is available on Linux and Windows only."]) ;;
1288 AC_SUBST(USE_INTEL_JITEVENTS, [1])
1289 case "$llvm_cv_target_arch" in
1290 x86) llvm_intel_jitevents_archdir="lib32";;
1291 x86_64) llvm_intel_jitevents_archdir="lib64";;
1292 *) echo "Target architecture $llvm_cv_target_arch does not support Intel JIT Events API"
1295 INTEL_JITEVENTS_INCDIR="/opt/intel/vtune_amplifier_xe_2011/include"
1296 INTEL_JITEVENTS_LIBDIR="/opt/intel/vtune_amplifier_xe_2011/$llvm_intel_jitevents_archdir"
1298 /* | [[A-Za-z]]:[[\\/]]*) INTEL_JITEVENTS_INCDIR=$withval/include
1299 INTEL_JITEVENTS_LIBDIR=$withval/$llvm_intel_jitevents_archdir ;;
1303 AC_SUBST(INTEL_JITEVENTS_INCDIR)
1304 AC_SUBST(INTEL_JITEVENTS_LIBDIR)
1306 LIBS="$LIBS -L${INTEL_JITEVENTS_LIBDIR}"
1307 CPPFLAGS="$CPPFLAGS -I$INTEL_JITEVENTS_INCDIR"
1309 AC_SEARCH_LIBS(iJIT_IsProfilingActive, jitprofiling, [], [
1310 echo "Error! Cannot find libjitprofiling.a. Please check path specified in flag --with-intel-jitevents"
1313 AC_CHECK_HEADER([jitprofiling.h], [], [
1314 echo "Error! Cannot find jitprofiling.h. Please check path specified in flag --with-intel-jitevents"
1320 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1322 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1323 [Define if we have the Intel JIT API runtime support library])
1325 dnl Check for libxml2
1326 dnl Right now we're just checking for the existence, we could also check for a
1327 dnl particular version via --version on xml2-config
1328 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1330 AC_MSG_CHECKING(for libxml2 includes)
1331 if test "x$XML2CONFIG" = "x"; then
1332 AC_MSG_RESULT(xml2-config not found)
1334 LIBXML2_INC=`$XML2CONFIG --cflags`
1335 AC_MSG_RESULT($LIBXML2_INC)
1336 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1337 LIBXML2_LIBS="-lxml2"])
1339 AC_SUBST(LIBXML2_LIBS)
1340 AC_SUBST(LIBXML2_INC)
1342 dnl===-----------------------------------------------------------------------===
1344 dnl=== SECTION 6: Check for header files
1346 dnl===-----------------------------------------------------------------------===
1348 dnl First, use autoconf provided macros for specific headers that we need
1349 dnl We don't check for ancient stuff or things that are guaranteed to be there
1350 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1351 dnl Generally we're looking for POSIX headers.
1353 AC_HEADER_MMAP_ANONYMOUS
1358 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1359 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1360 AC_CHECK_HEADERS([utime.h windows.h])
1361 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1362 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1363 AC_CHECK_HEADERS([valgrind/valgrind.h])
1364 AC_CHECK_HEADERS([fenv.h])
1365 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1366 AC_CHECK_HEADERS(pthread.h,
1367 AC_SUBST(HAVE_PTHREAD, 1),
1368 AC_SUBST(HAVE_PTHREAD, 0))
1370 AC_SUBST(HAVE_PTHREAD, 0)
1373 dnl Try to find ffi.h.
1374 if test "$llvm_cv_enable_libffi" = "yes" ; then
1375 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1378 dnl Try to find Darwin specific crash reporting libraries.
1379 AC_CHECK_HEADERS([CrashReporterClient.h])
1381 dnl Try to find Darwin specific crash reporting global.
1382 AC_MSG_CHECKING([__crashreporter_info__])
1385 [[extern const char *__crashreporter_info__;
1387 __crashreporter_info__ = "test";
1392 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1394 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1395 Define if __crashreporter_info__ exists.))
1397 dnl===-----------------------------------------------------------------------===
1399 dnl=== SECTION 7: Check for types and structures
1401 dnl===-----------------------------------------------------------------------===
1406 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1408 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1409 AC_CHECK_TYPES([uint64_t],,
1410 AC_CHECK_TYPES([u_int64_t],,
1411 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1413 dnl===-----------------------------------------------------------------------===
1415 dnl=== SECTION 8: Check for specific functions needed
1417 dnl===-----------------------------------------------------------------------===
1419 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1420 AC_CHECK_FUNCS([powf fmodf strtof round ])
1421 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1422 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1423 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1424 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1425 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1426 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1430 dnl Check the declaration "Secure API" on Windows environments.
1431 AC_CHECK_DECLS([strerror_s])
1433 dnl Check symbols in libgcc.a for JIT on Mingw.
1434 if test "$llvm_cv_os_type" = "MingW" ; then
1435 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1436 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1437 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1438 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1440 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1441 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1442 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1443 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1444 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1445 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1446 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1447 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1448 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1449 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1451 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1452 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1455 dnl Check Win32 API EnumerateLoadedModules.
1456 if test "$llvm_cv_os_type" = "MingW" ; then
1457 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1458 AC_COMPILE_IFELSE([[#include <windows.h>
1459 #include <imagehlp.h>
1460 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1461 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1463 AC_MSG_RESULT([yes])
1464 llvm_cv_win32_elmcb_pcstr="PCSTR"
1468 llvm_cv_win32_elmcb_pcstr="PSTR"
1470 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1473 dnl Check for variations in the Standard C++ library and STL. These macros are
1474 dnl provided by LLVM in the autoconf/m4 directory.
1478 dnl Check for mmap support.We also need to know if /dev/zero is required to
1479 dnl be opened for allocating RWX memory.
1480 dnl Make sure we aren't attempting to configure for an unknown system
1481 if test "$llvm_cv_platform_type" = "Unix" ; then
1484 AC_NEED_DEV_ZERO_FOR_MMAP
1486 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1488 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1490 if test "$ac_cv_func_mmap_file" = "no"
1492 AC_MSG_WARN([mmap() of files required but not found])
1496 dnl atomic builtins are required for threading support.
1497 AC_MSG_CHECKING(for GCC atomic builtins)
1498 dnl Since we'll be using these atomic builtins in C++ files we should test
1499 dnl the C++ compiler.
1504 volatile unsigned long val = 1;
1505 __sync_synchronize();
1506 __sync_val_compare_and_swap(&val, 1, 0);
1507 __sync_add_and_fetch(&val, 1);
1508 __sync_sub_and_fetch(&val, 1);
1514 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1516 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1517 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1519 dnl===-----------------------------------------------------------------------===
1521 dnl=== SECTION 9: Additional checks, variables, etc.
1523 dnl===-----------------------------------------------------------------------===
1525 dnl Handle 32-bit linux systems running a 64-bit kernel.
1526 dnl This has to come after section 4 because it invokes the compiler.
1527 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1529 if test "$llvm_cv_linux_mixed" = "yes"; then
1530 llvm_cv_target_arch="x86"
1535 dnl Check whether __dso_handle is present
1536 AC_CHECK_FUNCS([__dso_handle])
1538 dnl Propagate the shared library extension that the libltdl checks did to
1539 dnl the Makefiles so we can use it there too
1540 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1542 dnl Propagate the run-time library path variable that the libltdl
1543 dnl checks found to the Makefiles so we can use it there too
1544 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1546 dnl Translate the various configuration directories and other basic
1547 dnl information into substitutions that will end up in Makefile.config.in
1548 dnl that these configured values can be used by the makefiles
1549 if test "${prefix}" = "NONE" ; then
1552 eval LLVM_PREFIX="${prefix}";
1553 eval LLVM_BINDIR="${prefix}/bin";
1554 eval LLVM_LIBDIR="${prefix}/lib";
1555 eval LLVM_DATADIR="${prefix}/share/llvm";
1556 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1557 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1558 eval LLVM_INCLUDEDIR="${prefix}/include";
1559 eval LLVM_INFODIR="${prefix}/info";
1560 eval LLVM_MANDIR="${prefix}/man";
1561 LLVM_CONFIGTIME=`date`
1562 AC_SUBST(LLVM_PREFIX)
1563 AC_SUBST(LLVM_BINDIR)
1564 AC_SUBST(LLVM_LIBDIR)
1565 AC_SUBST(LLVM_DATADIR)
1566 AC_SUBST(LLVM_DOCSDIR)
1567 AC_SUBST(LLVM_ETCDIR)
1568 AC_SUBST(LLVM_INCLUDEDIR)
1569 AC_SUBST(LLVM_INFODIR)
1570 AC_SUBST(LLVM_MANDIR)
1571 AC_SUBST(LLVM_CONFIGTIME)
1573 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1574 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1575 LLVM_CONFIGTIME="(timestamp not enabled)"
1578 dnl Place the various directories into the config.h file as #defines so that we
1579 dnl can know about the installation paths within LLVM.
1580 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1581 [Installation prefix directory])
1582 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1583 [Installation directory for binary executables])
1584 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1585 [Installation directory for libraries])
1586 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1587 [Installation directory for data files])
1588 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1589 [Installation directory for documentation])
1590 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1591 [Installation directory for config files])
1592 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1593 [Installation directory for include files])
1594 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1595 [Installation directory for .info files])
1596 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1597 [Installation directory for man pages])
1598 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1599 [Time at which LLVM was configured])
1600 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1601 [Host triple LLVM will be executed on])
1602 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1603 [Target triple LLVM will generate code for by default])
1605 dnl Determine which bindings to build.
1606 if test "$BINDINGS_TO_BUILD" = auto ; then
1607 BINDINGS_TO_BUILD=""
1608 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1609 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1612 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1614 dnl This isn't really configurey, but it avoids having to repeat the list in
1616 AC_SUBST(ALL_BINDINGS,ocaml)
1618 dnl Do any work necessary to ensure that bindings have what they need.
1619 binding_prereqs_failed=0
1620 for a_binding in $BINDINGS_TO_BUILD ; do
1621 case "$a_binding" in
1623 if test "x$OCAMLC" = x ; then
1624 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1625 binding_prereqs_failed=1
1627 if test "x$OCAMLDEP" = x ; then
1628 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1629 binding_prereqs_failed=1
1631 if test "x$OCAMLOPT" = x ; then
1632 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1633 dnl ocamlopt is optional!
1635 if test "x$with_ocaml_libdir" != xauto ; then
1636 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1638 ocaml_stdlib="`"$OCAMLC" -where`"
1639 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1641 # ocaml stdlib is beneath our prefix; use stdlib
1642 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1644 # ocaml stdlib is outside our prefix; use libdir/ocaml
1645 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1651 if test "$binding_prereqs_failed" = 1 ; then
1652 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1655 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1656 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1658 dnl Determine linker rpath flag
1659 if test "$llvm_cv_link_use_r" = "yes" ; then
1666 dnl Determine linker rdynamic flag
1667 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1668 RDYNAMIC="-Wl,-export-dynamic"
1674 dnl===-----------------------------------------------------------------------===
1676 dnl=== SECTION 10: Specify the output files and generate it
1678 dnl===-----------------------------------------------------------------------===
1680 dnl Configure header files
1681 dnl WARNING: dnl If you add or remove any of the following config headers, then
1682 dnl you MUST also update Makefile so that the variable FilesToConfig
1683 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1684 dnl files can be updated automatically when their *.in sources change.
1685 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1686 AH_TOP([#ifndef CONFIG_H
1690 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1691 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1692 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1693 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1694 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1696 dnl Configure the makefile's configuration data
1697 AC_CONFIG_FILES([Makefile.config])
1699 dnl Configure the RPM spec file for LLVM
1700 AC_CONFIG_FILES([llvm.spec])
1702 dnl Configure doxygen's configuration file
1703 AC_CONFIG_FILES([docs/doxygen.cfg])
1705 dnl Configure clang, if present
1706 if test "${clang_src_root}" = ""; then
1707 clang_src_root="$srcdir/tools/clang"
1709 if test -f ${clang_src_root}/README.txt; then
1710 dnl Use variables to stay under 80 columns.
1711 configh="include/clang/Config/config.h"
1712 doxy="docs/doxygen.cfg"
1713 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1714 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1717 dnl OCaml findlib META file
1718 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1720 dnl Do special configuration of Makefiles
1721 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1722 AC_CONFIG_MAKEFILE(Makefile)
1723 AC_CONFIG_MAKEFILE(Makefile.common)
1724 AC_CONFIG_MAKEFILE(examples/Makefile)
1725 AC_CONFIG_MAKEFILE(lib/Makefile)
1726 AC_CONFIG_MAKEFILE(runtime/Makefile)
1727 AC_CONFIG_MAKEFILE(test/Makefile)
1728 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1729 AC_CONFIG_MAKEFILE(unittests/Makefile)
1730 AC_CONFIG_MAKEFILE(tools/Makefile)
1731 AC_CONFIG_MAKEFILE(utils/Makefile)
1732 AC_CONFIG_MAKEFILE(projects/Makefile)
1733 AC_CONFIG_MAKEFILE(bindings/Makefile)
1734 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1736 dnl Finally, crank out the output