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 $llvm_cv_platform_type in
345 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
346 AC_SUBST(LLVM_ON_UNIX,[1])
347 AC_SUBST(LLVM_ON_WIN32,[0])
350 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
351 AC_SUBST(LLVM_ON_UNIX,[0])
352 AC_SUBST(LLVM_ON_WIN32,[1])
356 dnl Determine what our target architecture is and configure accordingly.
357 dnl This will allow Makefiles to make a distinction between the hardware and
359 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
361 i?86-*) llvm_cv_target_arch="x86" ;;
362 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
363 sparc*-*) llvm_cv_target_arch="Sparc" ;;
364 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
365 arm*-*) llvm_cv_target_arch="ARM" ;;
366 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
367 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
368 xcore-*) llvm_cv_target_arch="XCore" ;;
369 msp430-*) llvm_cv_target_arch="MSP430" ;;
370 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
371 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
372 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
373 *) llvm_cv_target_arch="Unknown" ;;
376 if test "$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,$llvm_cv_target_arch)
390 dnl Determine what our host architecture.
391 dnl This will allow MCJIT regress tests runs only for supported
394 i?86-*) host_arch="x86" ;;
395 amd64-* | x86_64-*) host_arch="x86_64" ;;
396 sparc*-*) host_arch="Sparc" ;;
397 powerpc*-*) host_arch="PowerPC" ;;
398 arm*-*) host_arch="ARM" ;;
399 mips-* | mips64-*) host_arch="Mips" ;;
400 mipsel-* | mips64el-*) host_arch="Mips" ;;
401 xcore-*) host_arch="XCore" ;;
402 msp430-*) host_arch="MSP430" ;;
403 hexagon-*) host_arch="Hexagon" ;;
404 mblaze-*) host_arch="MBlaze" ;;
405 *) host_arch="Unknown" ;;
408 if test "$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],$ENABLE_TIMESTAMPS,
679 [Define if timestamp information (e.g., __DATE__) is allowed])
681 dnl Enable embedding timestamp information into build.
683 AC_ARG_ENABLE(backtraces,
684 AS_HELP_STRING([--enable-backtraces],
685 [Enable embedding backtraces on crash (default is YES)]),,
688 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
689 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
690 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
691 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
693 AC_DEFINE_UNQUOTED([ENABLE_BACKTRACES],$ENABLE_BACKTRACES,
694 [Define if you want backtraces on crash])
696 dnl Allow specific targets to be specified for building (or not)
698 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
699 [Build specific host targets: all or target1,target2,... Valid targets are:
700 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
701 xcore, msp430, nvptx, and cpp (default=all)]),,
703 if test "$enableval" = host-only ; then
707 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;;
708 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
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 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
717 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
718 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
719 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
720 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
721 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
722 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
723 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
724 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
725 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
726 host) case "$llvm_cv_target_arch" in
727 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
728 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
729 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
730 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
731 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
732 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
733 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
734 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
735 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
736 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
737 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
738 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
739 *) AC_MSG_ERROR([Can not set target to build]) ;;
741 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
747 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets],
748 [Build experimental host targets: disable or target1,target2,...
749 (default=disable)]),,
752 if test ${enableval} != "disable"
754 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD"
757 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
759 dnl Determine whether we are building LLVM support for the native architecture.
760 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
761 for a_target in $TARGETS_TO_BUILD; do
762 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
763 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
764 [LLVM architecture name for the native architecture, if available])
765 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
766 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
767 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
768 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
769 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
770 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
772 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
773 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
775 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
776 [LLVM name for the native Target init function, if available])
777 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
778 [LLVM name for the native TargetInfo init function, if available])
779 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
780 [LLVM name for the native target MC init function, if available])
781 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
782 [LLVM name for the native AsmPrinter init function, if available])
783 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
784 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
785 [LLVM name for the native AsmParser init function, if available])
787 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
788 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
789 [LLVM name for the native Disassembler init function, if available])
794 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
795 dnl target feature def files.
797 LLVM_ENUM_ASM_PRINTERS=""
798 LLVM_ENUM_ASM_PARSERS=""
799 LLVM_ENUM_DISASSEMBLERS=""
800 for target_to_build in $TARGETS_TO_BUILD; do
801 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
802 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
803 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
805 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
806 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
808 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
809 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
812 AC_SUBST(LLVM_ENUM_TARGETS)
813 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
814 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
815 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
817 dnl Override the option to use for optimized builds.
818 AC_ARG_WITH(optimize-option,
819 AS_HELP_STRING([--with-optimize-option],
820 [Select the compiler options to use for optimized builds]),,
822 AC_MSG_CHECKING([optimization flags])
825 case "$llvm_cv_os_type" in
826 FreeBSD) optimize_option=-O2 ;;
827 MingW) optimize_option=-O2 ;;
828 *) optimize_option=-O3 ;;
830 *) optimize_option="$withval" ;;
832 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
833 AC_MSG_RESULT([$optimize_option])
835 dnl Specify extra build options
836 AC_ARG_WITH(extra-options,
837 AS_HELP_STRING([--with-extra-options],
838 [Specify additional options to compile LLVM with]),,
841 default) EXTRA_OPTIONS= ;;
842 *) EXTRA_OPTIONS=$withval ;;
844 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
846 dnl Specify extra linker build options
847 AC_ARG_WITH(extra-ld-options,
848 AS_HELP_STRING([--with-extra-ld-options],
849 [Specify additional options to link LLVM with]),,
852 default) EXTRA_LD_OPTIONS= ;;
853 *) EXTRA_LD_OPTIONS=$withval ;;
855 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
857 dnl Allow specific bindings to be specified for building (or not)
858 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
859 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
863 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
864 all ) BINDINGS_TO_BUILD="ocaml" ;;
865 none | no) BINDINGS_TO_BUILD="" ;;
866 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
868 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
869 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
875 dnl Allow the ocaml libdir to be overridden. This could go in a configure
876 dnl script for bindings/ocaml/configure, except that its auto value depends on
877 dnl OCAMLC, which is found here to support tests.
878 AC_ARG_WITH([ocaml-libdir],
879 [AS_HELP_STRING([--with-ocaml-libdir],
880 [Specify install location for ocaml bindings (default is stdlib)])],
884 auto) with_ocaml_libdir="$withval" ;;
885 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
886 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
889 AC_ARG_WITH(clang-srcdir,
890 AS_HELP_STRING([--with-clang-srcdir],
891 [Directory to the out-of-tree Clang source]),,
894 -) clang_src_root="" ;;
895 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
896 *) clang_src_root="$ac_pwd/$withval" ;;
898 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
900 AC_ARG_WITH(clang-resource-dir,
901 AS_HELP_STRING([--with-clang-resource-dir],
902 [Relative directory from the Clang binary for resource files]),,
904 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
905 [Relative directory for resource files])
907 AC_ARG_WITH(c-include-dirs,
908 AS_HELP_STRING([--with-c-include-dirs],
909 [Colon separated list of directories clang will search for headers]),,
911 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
912 [Directories clang will search for headers])
914 # Clang normally uses the system c++ headers and libraries. With this option,
915 # clang will use the ones provided by a gcc installation instead. This option should
916 # be passed the same value that was used with --prefix when configuring gcc.
917 AC_ARG_WITH(gcc-toolchain,
918 AS_HELP_STRING([--with-gcc-toolchain],
919 [Directory where gcc is installed.]),,
921 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
922 [Directory where gcc is installed.])
924 AC_ARG_WITH(default-sysroot,
925 AS_HELP_STRING([--with-default-sysroot],
926 [Add --sysroot=<path> to all compiler invocations.]),,
928 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
929 [Default <path> to all compiler invocations for --sysroot=<path>.])
931 dnl Allow linking of LLVM with GPLv3 binutils code.
932 AC_ARG_WITH(binutils-include,
933 AS_HELP_STRING([--with-binutils-include],
934 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
937 default) WITH_BINUTILS_INCDIR=default ;;
938 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
939 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
941 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
942 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
943 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
944 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
945 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
949 dnl Specify the URL where bug reports should be submitted.
950 AC_ARG_WITH(bug-report-url,
951 AS_HELP_STRING([--with-bug-report-url],
952 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
953 withval="http://llvm.org/bugs/")
954 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
957 dnl --enable-libffi : check whether the user wants to turn off libffi:
958 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
959 --enable-libffi,[Check for the presence of libffi (default is NO)]),
960 [case "$enableval" in
961 yes) llvm_cv_enable_libffi="yes" ;;
962 no) llvm_cv_enable_libffi="no" ;;
963 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
965 llvm_cv_enable_libffi=no)
967 AC_ARG_WITH(internal-prefix,
968 AS_HELP_STRING([--with-internal-prefix],
969 [Installation directory for internal files]),,
971 AC_SUBST(INTERNAL_PREFIX,[$withval])
973 dnl===-----------------------------------------------------------------------===
975 dnl=== SECTION 4: Check for programs we need and that they are the right version
977 dnl===-----------------------------------------------------------------------===
982 dnl Check for the tools that the makefiles require
985 AC_PATH_PROG(CMP, [cmp], [cmp])
986 AC_PATH_PROG(CP, [cp], [cp])
987 AC_PATH_PROG(DATE, [date], [date])
988 AC_PATH_PROG(FIND, [find], [find])
989 AC_PATH_PROG(GREP, [grep], [grep])
990 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
991 AC_PATH_PROG(MV, [mv], [mv])
993 AC_CHECK_TOOL(AR, ar, false)
994 AC_PATH_PROG(RM, [rm], [rm])
995 AC_PATH_PROG(SED, [sed], [sed])
996 AC_PATH_PROG(TAR, [tar], [gtar])
997 AC_PATH_PROG(BINPWD,[pwd], [pwd])
999 dnl Looking for misc. graph plotting software
1000 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
1001 if test "$GRAPHVIZ" != "echo Graphviz" ; then
1002 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
1003 dnl If we're targeting for mingw we should emit windows paths, not msys
1004 if test "$llvm_cv_os_type" = "MingW" ; then
1005 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1007 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1008 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1010 AC_PATH_PROG(DOT, [dot], [echo dot])
1011 if test "$DOT" != "echo dot" ; then
1012 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1013 dnl If we're targeting for mingw we should emit windows paths, not msys
1014 if test "$llvm_cv_os_type" = "MingW" ; then
1015 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1017 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1018 [Define to path to dot program if found or 'echo dot' otherwise])
1020 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1021 if test "$FDP" != "echo fdp" ; then
1022 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1023 dnl If we're targeting for mingw we should emit windows paths, not msys
1024 if test "$llvm_cv_os_type" = "MingW" ; then
1025 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1027 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1028 [Define to path to fdp program if found or 'echo fdp' otherwise])
1030 AC_PATH_PROG(NEATO, [neato], [echo neato])
1031 if test "$NEATO" != "echo neato" ; then
1032 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1033 dnl If we're targeting for mingw we should emit windows paths, not msys
1034 if test "$llvm_cv_os_type" = "MingW" ; then
1035 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1037 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1038 [Define to path to neato program if found or 'echo neato' otherwise])
1040 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1041 if test "$TWOPI" != "echo twopi" ; then
1042 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1043 dnl If we're targeting for mingw we should emit windows paths, not msys
1044 if test "$llvm_cv_os_type" = "MingW" ; then
1045 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1047 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1048 [Define to path to twopi program if found or 'echo twopi' otherwise])
1050 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1051 if test "$CIRCO" != "echo circo" ; then
1052 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1053 dnl If we're targeting for mingw we should emit windows paths, not msys
1054 if test "$llvm_cv_os_type" = "MingW" ; then
1055 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1057 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1058 [Define to path to circo program if found or 'echo circo' otherwise])
1060 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1061 if test "$GV" != "echo gv" ; then
1062 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1063 dnl If we're targeting for mingw we should emit windows paths, not msys
1064 if test "$llvm_cv_os_type" = "MingW" ; then
1065 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1067 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1068 [Define to path to gv program if found or 'echo gv' otherwise])
1070 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1071 if test "$DOTTY" != "echo dotty" ; then
1072 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1073 dnl If we're targeting for mingw we should emit windows paths, not msys
1074 if test "$llvm_cv_os_type" = "MingW" ; then
1075 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1077 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1078 [Define to path to dotty program if found or 'echo dotty' otherwise])
1080 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1081 if test "$XDOT_PY" != "echo xdot.py" ; then
1082 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1083 dnl If we're targeting for mingw we should emit windows paths, not msys
1084 if test "$llvm_cv_os_type" = "MingW" ; then
1085 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1087 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1088 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1091 dnl Find the install program
1093 dnl Prepend src dir to install path dir if it's a relative path
1094 dnl This is a hack for installs that take place in something other
1095 dnl than the top level.
1097 [[\\/$]]* | ?:[[\\/]]* ) ;;
1098 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1101 dnl Checks for documentation and testing tools that we can do without. If these
1102 dnl are not found then they are set to "true" which always succeeds but does
1103 dnl nothing. This just lets the build output show that we could have done
1104 dnl something if the tool was available.
1105 AC_PATH_PROG(BZIP2, [bzip2])
1106 AC_PATH_PROG(CAT, [cat])
1107 AC_PATH_PROG(DOXYGEN, [doxygen])
1108 AC_PATH_PROG(GROFF, [groff])
1109 AC_PATH_PROG(GZIPBIN, [gzip])
1110 AC_PATH_PROG(PDFROFF, [pdfroff])
1111 AC_PATH_PROG(ZIP, [zip])
1112 AC_PATH_PROGS(OCAMLC, [ocamlc])
1113 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1114 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1115 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1116 AC_PATH_PROGS(GAS, [gas as])
1118 dnl Get the version of the linker in use.
1121 dnl Determine whether the linker supports the -R option.
1124 dnl Determine whether the linker supports the -export-dynamic option.
1125 AC_LINK_EXPORT_DYNAMIC
1127 dnl Determine whether the linker supports the --version-script option.
1128 AC_LINK_VERSION_SCRIPT
1130 dnl Check for libtool and the library that has dlopen function (which must come
1131 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1136 AC_MSG_CHECKING([tool compatibility])
1138 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1139 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1140 dnl to support those options.
1141 dnl "icc" emits gcc signatures
1142 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1154 if test "$GCC" != "yes" && test "$ICC" != "yes"
1156 AC_MSG_ERROR([gcc|icc required but not found])
1159 dnl Ensure that compilation tools are compatible with GCC extensions
1160 if test "$GXX" != "yes" && test "$IXX" != "yes"
1162 AC_MSG_ERROR([g++|clang++|icc required but not found])
1165 dnl Verify that GCC is version 3.0 or higher
1166 if test "$GCC" = "yes"
1168 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1169 #error Unsupported GCC version
1171 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1174 dnl Check for GNU Make. We use its extensions, so don't build without it
1175 if test -z "$llvm_cv_gnu_make_command"
1177 AC_MSG_ERROR([GNU Make required but not found])
1180 dnl Tool compatibility is okay if we make it here.
1183 dnl Check optional compiler flags.
1184 AC_MSG_CHECKING([optional compiler flags])
1185 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1186 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1187 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1188 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1190 dnl===-----------------------------------------------------------------------===
1192 dnl=== SECTION 5: Check for libraries
1194 dnl===-----------------------------------------------------------------------===
1197 if test "$llvm_cv_os_type" = "MingW" ; then
1198 AC_CHECK_LIB(imagehlp, main)
1199 AC_CHECK_LIB(psapi, main)
1202 dnl dlopen() is required for plugin support.
1203 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1204 [Define if dlopen() is available on this platform.]),
1205 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1207 dnl libffi is optional; used to call external functions from the interpreter
1208 if test "$llvm_cv_enable_libffi" = "yes" ; then
1209 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1210 [Define if libffi is available on this platform.]),
1211 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1214 dnl mallinfo is optional; the code can compile (minus features) without it
1215 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1216 [Define if mallinfo() is available on this platform.]))
1218 dnl pthread locking functions are optional - but llvm will not be thread-safe
1220 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1221 AC_CHECK_LIB(pthread, pthread_mutex_init)
1222 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1223 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1224 [Have pthread_mutex_lock]))
1225 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1226 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1227 [Have pthread_rwlock_init]))
1228 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1229 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1230 [Have pthread_getspecific]))
1233 dnl Allow extra x86-disassembler library
1235 AS_HELP_STRING([--with-udis86=<path>],
1236 [Use udis86 external x86 disassembler library]),
1238 AC_SUBST(USE_UDIS86, [1])
1241 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1243 AC_CHECK_LIB(udis86, ud_init, [], [
1244 echo "Error! You need to have libudis86 around."
1248 AC_SUBST(USE_UDIS86, [0]))
1249 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1250 [Define if use udis86 library])
1252 dnl Allow OProfile support for JIT output.
1253 AC_ARG_WITH(oprofile,
1254 AS_HELP_STRING([--with-oprofile=<prefix>],
1255 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1257 AC_SUBST(USE_OPROFILE, [1])
1259 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1261 AC_SUBST(USE_OPROFILE, [0]) ;;
1262 *) llvm_cv_oppath="${withval}/lib/oprofile"
1263 CPPFLAGS="-I${withval}/include";;
1265 case $llvm_cv_os_type in
1267 if test -n "$llvm_cv_oppath" ; then
1268 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1269 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1270 dnl libbfd is not included properly in libopagent in some Debian
1271 dnl versions. If libbfd isn't found at all, we assume opagent works
1273 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1274 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1275 echo "Error! You need to have libopagent around."
1278 AC_CHECK_HEADER([opagent.h], [], [
1279 echo "Error! You need to have opagent.h around."
1284 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1288 AC_SUBST(USE_OPROFILE, [0])
1290 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1291 [Define if we have the oprofile JIT-support library])
1293 dnl Enable support for Intel JIT Events API.
1294 AC_ARG_WITH(intel-jitevents,
1295 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]),
1298 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);;
1299 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);;
1300 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);;
1303 case $llvm_cv_os_type in
1304 Linux|Win32|Cygwin|MingW) ;;
1305 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);;
1308 case "$llvm_cv_target_arch" in
1310 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);;
1314 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1316 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1317 [Define if we have the Intel JIT API runtime support library])
1319 dnl Check for libxml2
1320 dnl Right now we're just checking for the existence, we could also check for a
1321 dnl particular version via --version on xml2-config
1322 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1324 AC_MSG_CHECKING(for libxml2 includes)
1325 if test "x$XML2CONFIG" = "x"; then
1326 AC_MSG_RESULT(xml2-config not found)
1328 LIBXML2_INC=`$XML2CONFIG --cflags`
1329 AC_MSG_RESULT($LIBXML2_INC)
1330 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1331 LIBXML2_LIBS="-lxml2"])
1333 AC_SUBST(LIBXML2_LIBS)
1334 AC_SUBST(LIBXML2_INC)
1336 dnl===-----------------------------------------------------------------------===
1338 dnl=== SECTION 6: Check for header files
1340 dnl===-----------------------------------------------------------------------===
1342 dnl First, use autoconf provided macros for specific headers that we need
1343 dnl We don't check for ancient stuff or things that are guaranteed to be there
1344 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1345 dnl Generally we're looking for POSIX headers.
1347 AC_HEADER_MMAP_ANONYMOUS
1352 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1353 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1354 AC_CHECK_HEADERS([utime.h windows.h])
1355 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1356 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1357 AC_CHECK_HEADERS([valgrind/valgrind.h])
1358 AC_CHECK_HEADERS([fenv.h])
1359 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1360 AC_CHECK_HEADERS(pthread.h,
1361 AC_SUBST(HAVE_PTHREAD, 1),
1362 AC_SUBST(HAVE_PTHREAD, 0))
1364 AC_SUBST(HAVE_PTHREAD, 0)
1367 dnl Try to find ffi.h.
1368 if test "$llvm_cv_enable_libffi" = "yes" ; then
1369 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1372 dnl Try to find Darwin specific crash reporting libraries.
1373 AC_CHECK_HEADERS([CrashReporterClient.h])
1375 dnl Try to find Darwin specific crash reporting global.
1376 AC_MSG_CHECKING([__crashreporter_info__])
1379 [[extern const char *__crashreporter_info__;
1381 __crashreporter_info__ = "test";
1386 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1388 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1389 Define if __crashreporter_info__ exists.))
1391 dnl===-----------------------------------------------------------------------===
1393 dnl=== SECTION 7: Check for types and structures
1395 dnl===-----------------------------------------------------------------------===
1400 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1402 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1403 AC_CHECK_TYPES([uint64_t],,
1404 AC_CHECK_TYPES([u_int64_t],,
1405 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1407 dnl===-----------------------------------------------------------------------===
1409 dnl=== SECTION 8: Check for specific functions needed
1411 dnl===-----------------------------------------------------------------------===
1413 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1414 AC_CHECK_FUNCS([powf fmodf strtof round ])
1415 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1416 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1417 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1418 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1419 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1420 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1424 dnl Check the declaration "Secure API" on Windows environments.
1425 AC_CHECK_DECLS([strerror_s])
1427 dnl Check symbols in libgcc.a for JIT on Mingw.
1428 if test "$llvm_cv_os_type" = "MingW" ; then
1429 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1430 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1431 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1432 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1434 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1435 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1436 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1437 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1438 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1439 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1440 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1441 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1442 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1443 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1445 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1446 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1449 dnl Check Win32 API EnumerateLoadedModules.
1450 if test "$llvm_cv_os_type" = "MingW" ; then
1451 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1452 AC_COMPILE_IFELSE([[#include <windows.h>
1453 #include <imagehlp.h>
1454 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1455 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1457 AC_MSG_RESULT([yes])
1458 llvm_cv_win32_elmcb_pcstr="PCSTR"
1462 llvm_cv_win32_elmcb_pcstr="PSTR"
1464 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1467 dnl Check for variations in the Standard C++ library and STL. These macros are
1468 dnl provided by LLVM in the autoconf/m4 directory.
1472 dnl Check for mmap support.We also need to know if /dev/zero is required to
1473 dnl be opened for allocating RWX memory.
1474 dnl Make sure we aren't attempting to configure for an unknown system
1475 if test "$llvm_cv_platform_type" = "Unix" ; then
1478 AC_NEED_DEV_ZERO_FOR_MMAP
1480 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1482 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1484 if test "$ac_cv_func_mmap_file" = "no"
1486 AC_MSG_WARN([mmap() of files required but not found])
1490 dnl atomic builtins are required for threading support.
1491 AC_MSG_CHECKING(for GCC atomic builtins)
1492 dnl Since we'll be using these atomic builtins in C++ files we should test
1493 dnl the C++ compiler.
1498 volatile unsigned long val = 1;
1499 __sync_synchronize();
1500 __sync_val_compare_and_swap(&val, 1, 0);
1501 __sync_add_and_fetch(&val, 1);
1502 __sync_sub_and_fetch(&val, 1);
1508 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1510 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1511 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1513 dnl===-----------------------------------------------------------------------===
1515 dnl=== SECTION 9: Additional checks, variables, etc.
1517 dnl===-----------------------------------------------------------------------===
1519 dnl Handle 32-bit linux systems running a 64-bit kernel.
1520 dnl This has to come after section 4 because it invokes the compiler.
1521 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1523 if test "$llvm_cv_linux_mixed" = "yes"; then
1524 llvm_cv_target_arch="x86"
1529 dnl Check whether __dso_handle is present
1530 AC_CHECK_FUNCS([__dso_handle])
1532 dnl Propagate the shared library extension that the libltdl checks did to
1533 dnl the Makefiles so we can use it there too
1534 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1536 dnl Propagate the run-time library path variable that the libltdl
1537 dnl checks found to the Makefiles so we can use it there too
1538 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1540 dnl Translate the various configuration directories and other basic
1541 dnl information into substitutions that will end up in Makefile.config.in
1542 dnl that these configured values can be used by the makefiles
1543 if test "${prefix}" = "NONE" ; then
1546 eval LLVM_PREFIX="${prefix}";
1547 eval LLVM_BINDIR="${prefix}/bin";
1548 eval LLVM_LIBDIR="${prefix}/lib";
1549 eval LLVM_DATADIR="${prefix}/share/llvm";
1550 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1551 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1552 eval LLVM_INCLUDEDIR="${prefix}/include";
1553 eval LLVM_INFODIR="${prefix}/info";
1554 eval LLVM_MANDIR="${prefix}/man";
1555 LLVM_CONFIGTIME=`date`
1556 AC_SUBST(LLVM_PREFIX)
1557 AC_SUBST(LLVM_BINDIR)
1558 AC_SUBST(LLVM_LIBDIR)
1559 AC_SUBST(LLVM_DATADIR)
1560 AC_SUBST(LLVM_DOCSDIR)
1561 AC_SUBST(LLVM_ETCDIR)
1562 AC_SUBST(LLVM_INCLUDEDIR)
1563 AC_SUBST(LLVM_INFODIR)
1564 AC_SUBST(LLVM_MANDIR)
1565 AC_SUBST(LLVM_CONFIGTIME)
1567 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1568 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1569 LLVM_CONFIGTIME="(timestamp not enabled)"
1572 dnl Place the various directories into the config.h file as #defines so that we
1573 dnl can know about the installation paths within LLVM.
1574 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1575 [Installation prefix directory])
1576 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1577 [Installation directory for binary executables])
1578 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1579 [Installation directory for libraries])
1580 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1581 [Installation directory for data files])
1582 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1583 [Installation directory for documentation])
1584 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1585 [Installation directory for config files])
1586 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1587 [Installation directory for include files])
1588 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1589 [Installation directory for .info files])
1590 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1591 [Installation directory for man pages])
1592 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1593 [Time at which LLVM was configured])
1594 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1595 [Host triple LLVM will be executed on])
1596 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1597 [Target triple LLVM will generate code for by default])
1599 dnl Determine which bindings to build.
1600 if test "$BINDINGS_TO_BUILD" = auto ; then
1601 BINDINGS_TO_BUILD=""
1602 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1603 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1606 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1608 dnl This isn't really configurey, but it avoids having to repeat the list in
1610 AC_SUBST(ALL_BINDINGS,ocaml)
1612 dnl Do any work necessary to ensure that bindings have what they need.
1613 binding_prereqs_failed=0
1614 for a_binding in $BINDINGS_TO_BUILD ; do
1615 case "$a_binding" in
1617 if test "x$OCAMLC" = x ; then
1618 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1619 binding_prereqs_failed=1
1621 if test "x$OCAMLDEP" = x ; then
1622 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1623 binding_prereqs_failed=1
1625 if test "x$OCAMLOPT" = x ; then
1626 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1627 dnl ocamlopt is optional!
1629 if test "x$with_ocaml_libdir" != xauto ; then
1630 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1632 ocaml_stdlib="`"$OCAMLC" -where`"
1633 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1635 # ocaml stdlib is beneath our prefix; use stdlib
1636 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1638 # ocaml stdlib is outside our prefix; use libdir/ocaml
1639 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1645 if test "$binding_prereqs_failed" = 1 ; then
1646 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1649 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1650 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1652 dnl Determine linker rpath flag
1653 if test "$llvm_cv_link_use_r" = "yes" ; then
1660 dnl Determine linker rdynamic flag
1661 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1662 RDYNAMIC="-Wl,-export-dynamic"
1668 dnl===-----------------------------------------------------------------------===
1670 dnl=== SECTION 10: Specify the output files and generate it
1672 dnl===-----------------------------------------------------------------------===
1674 dnl Configure header files
1675 dnl WARNING: dnl If you add or remove any of the following config headers, then
1676 dnl you MUST also update Makefile so that the variable FilesToConfig
1677 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1678 dnl files can be updated automatically when their *.in sources change.
1679 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1680 AH_TOP([#ifndef CONFIG_H
1684 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1685 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1686 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1687 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1688 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1690 dnl Configure the makefile's configuration data
1691 AC_CONFIG_FILES([Makefile.config])
1693 dnl Configure the RPM spec file for LLVM
1694 AC_CONFIG_FILES([llvm.spec])
1696 dnl Configure doxygen's configuration file
1697 AC_CONFIG_FILES([docs/doxygen.cfg])
1699 dnl Configure clang, if present
1700 if test "${clang_src_root}" = ""; then
1701 clang_src_root="$srcdir/tools/clang"
1703 if test -f ${clang_src_root}/README.txt; then
1704 dnl Use variables to stay under 80 columns.
1705 configh="include/clang/Config/config.h"
1706 doxy="docs/doxygen.cfg"
1707 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1708 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1711 dnl OCaml findlib META file
1712 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1714 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable.
1715 test "x$program_prefix" = "xNONE" && program_prefix=""
1716 AC_SUBST([program_prefix])
1719 dnl Do special configuration of Makefiles
1720 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1721 AC_CONFIG_MAKEFILE(Makefile)
1722 AC_CONFIG_MAKEFILE(Makefile.common)
1723 AC_CONFIG_MAKEFILE(examples/Makefile)
1724 AC_CONFIG_MAKEFILE(lib/Makefile)
1725 AC_CONFIG_MAKEFILE(runtime/Makefile)
1726 AC_CONFIG_MAKEFILE(test/Makefile)
1727 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1728 AC_CONFIG_MAKEFILE(unittests/Makefile)
1729 AC_CONFIG_MAKEFILE(tools/Makefile)
1730 AC_CONFIG_MAKEFILE(utils/Makefile)
1731 AC_CONFIG_MAKEFILE(projects/Makefile)
1732 AC_CONFIG_MAKEFILE(bindings/Makefile)
1733 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1735 dnl Finally, crank out the output