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-jit: check whether they want to enable the jit
547 AS_HELP_STRING(--enable-jit,
548 [Enable Just In Time Compiling (default is YES)]),,
550 if test ${enableval} = "no"
554 case "$llvm_cv_target_arch" in
555 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
556 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
557 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
558 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
559 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
560 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
561 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
562 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
563 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
564 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
565 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
566 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
570 dnl Allow enablement of building and installing docs
572 AS_HELP_STRING([--enable-docs],
573 [Build documents (default is YES)]),,
576 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
577 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
578 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
579 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
582 dnl Allow enablement of doxygen generated documentation
583 AC_ARG_ENABLE(doxygen,
584 AS_HELP_STRING([--enable-doxygen],
585 [Build doxygen documentation (default is NO)]),,
588 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
589 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
590 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
591 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
594 dnl Allow disablement of threads
595 AC_ARG_ENABLE(threads,
596 AS_HELP_STRING([--enable-threads],
597 [Use threads if available (default is YES)]),,
600 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
601 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
602 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
603 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
605 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
606 [Define if threads enabled])
608 dnl Allow disablement of pthread.h
609 AC_ARG_ENABLE(pthreads,
610 AS_HELP_STRING([--enable-pthreads],
611 [Use pthreads if available (default is YES)]),,
614 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
615 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
616 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
617 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
620 dnl Allow building without position independent code
622 AS_HELP_STRING([--enable-pic],
623 [Build LLVM with Position Independent Code (default is YES)]),,
626 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
627 no) AC_SUBST(ENABLE_PIC,[0]) ;;
628 default) AC_SUBST(ENABLE_PIC,[1]) ;;
629 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
631 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
632 [Define if position independent code is enabled])
634 dnl Allow building a shared library and linking tools against it.
635 AC_ARG_ENABLE(shared,
636 AS_HELP_STRING([--enable-shared],
637 [Build a shared library and link tools against it (default is NO)]),,
640 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
641 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
642 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
643 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
646 dnl Allow libstdc++ is embedded in LLVM.dll.
647 AC_ARG_ENABLE(embed-stdcxx,
648 AS_HELP_STRING([--enable-embed-stdcxx],
649 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
652 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
653 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
654 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
655 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
658 dnl Enable embedding timestamp information into build.
659 AC_ARG_ENABLE(timestamps,
660 AS_HELP_STRING([--enable-timestamps],
661 [Enable embedding timestamp information in build (default is YES)]),,
664 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
665 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
666 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
667 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
669 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
670 [Define if timestamp information (e.g., __DATE__) is allowed])
672 dnl Allow specific targets to be specified for building (or not)
674 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
675 [Build specific host targets: all or target1,target2,... Valid targets are:
676 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
677 xcore, msp430, nvptx, and cpp (default=all)]),,
679 if test "$enableval" = host-only ; then
683 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;;
684 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
686 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
687 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
688 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
689 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
690 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
691 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
692 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
693 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
694 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
695 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
696 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
697 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
698 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
699 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
700 host) case "$llvm_cv_target_arch" in
701 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
702 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
703 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
704 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
705 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
706 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
707 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
708 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
709 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
710 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
711 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
712 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
713 *) AC_MSG_ERROR([Can not set target to build]) ;;
715 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
720 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
722 dnl Determine whether we are building LLVM support for the native architecture.
723 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
724 for a_target in $TARGETS_TO_BUILD; do
725 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
726 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
727 [LLVM architecture name for the native architecture, if available])
728 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
729 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
730 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
731 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
732 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
733 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
735 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
736 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
738 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
739 [LLVM name for the native Target init function, if available])
740 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
741 [LLVM name for the native TargetInfo init function, if available])
742 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
743 [LLVM name for the native target MC init function, if available])
744 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
745 [LLVM name for the native AsmPrinter init function, if available])
746 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
747 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
748 [LLVM name for the native AsmParser init function, if available])
750 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
751 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
752 [LLVM name for the native Disassembler init function, if available])
757 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
758 dnl target feature def files.
760 LLVM_ENUM_ASM_PRINTERS=""
761 LLVM_ENUM_ASM_PARSERS=""
762 LLVM_ENUM_DISASSEMBLERS=""
763 for target_to_build in $TARGETS_TO_BUILD; do
764 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
765 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
766 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
768 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
769 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
771 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
772 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
775 AC_SUBST(LLVM_ENUM_TARGETS)
776 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
777 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
778 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
780 dnl Override the option to use for optimized builds.
781 AC_ARG_WITH(optimize-option,
782 AS_HELP_STRING([--with-optimize-option],
783 [Select the compiler options to use for optimized builds]),,
785 AC_MSG_CHECKING([optimization flags])
788 case "$llvm_cv_os_type" in
789 FreeBSD) optimize_option=-O2 ;;
790 MingW) optimize_option=-O2 ;;
791 *) optimize_option=-O3 ;;
793 *) optimize_option="$withval" ;;
795 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
796 AC_MSG_RESULT([$optimize_option])
798 dnl Specify extra build options
799 AC_ARG_WITH(extra-options,
800 AS_HELP_STRING([--with-extra-options],
801 [Specify additional options to compile LLVM with]),,
804 default) EXTRA_OPTIONS= ;;
805 *) EXTRA_OPTIONS=$withval ;;
807 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
809 dnl Specify extra linker build options
810 AC_ARG_WITH(extra-ld-options,
811 AS_HELP_STRING([--with-extra-ld-options],
812 [Specify additional options to link LLVM with]),,
815 default) EXTRA_LD_OPTIONS= ;;
816 *) EXTRA_LD_OPTIONS=$withval ;;
818 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
820 dnl Allow specific bindings to be specified for building (or not)
821 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
822 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
826 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
827 all ) BINDINGS_TO_BUILD="ocaml" ;;
828 none | no) BINDINGS_TO_BUILD="" ;;
829 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
831 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
832 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
838 dnl Allow the ocaml libdir to be overridden. This could go in a configure
839 dnl script for bindings/ocaml/configure, except that its auto value depends on
840 dnl OCAMLC, which is found here to support tests.
841 AC_ARG_WITH([ocaml-libdir],
842 [AS_HELP_STRING([--with-ocaml-libdir],
843 [Specify install location for ocaml bindings (default is stdlib)])],
847 auto) with_ocaml_libdir="$withval" ;;
848 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
849 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
852 AC_ARG_WITH(clang-srcdir,
853 AS_HELP_STRING([--with-clang-srcdir],
854 [Directory to the out-of-tree Clang source]),,
857 -) clang_src_root="" ;;
858 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
859 *) clang_src_root="$ac_pwd/$withval" ;;
861 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
863 AC_ARG_WITH(clang-resource-dir,
864 AS_HELP_STRING([--with-clang-resource-dir],
865 [Relative directory from the Clang binary for resource files]),,
867 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
868 [Relative directory for resource files])
870 AC_ARG_WITH(c-include-dirs,
871 AS_HELP_STRING([--with-c-include-dirs],
872 [Colon separated list of directories clang will search for headers]),,
874 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
875 [Directories clang will search for headers])
877 # Clang normally uses the system c++ headers and libraries. With this option,
878 # clang will use the ones provided by a gcc installation instead. This option should
879 # be passed the same value that was used with --prefix when configuring gcc.
880 AC_ARG_WITH(gcc-toolchain,
881 AS_HELP_STRING([--with-gcc-toolchain],
882 [Directory where gcc is installed.]),,
884 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
885 [Directory where gcc is installed.])
887 AC_ARG_WITH(default-sysroot,
888 AS_HELP_STRING([--with-default-sysroot],
889 [Add --sysroot=<path> to all compiler invocations.]),,
891 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
892 [Default <path> to all compiler invocations for --sysroot=<path>.])
894 dnl Allow linking of LLVM with GPLv3 binutils code.
895 AC_ARG_WITH(binutils-include,
896 AS_HELP_STRING([--with-binutils-include],
897 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
900 default) WITH_BINUTILS_INCDIR=default ;;
901 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
902 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
904 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
905 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
906 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
907 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
908 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
912 dnl Specify the URL where bug reports should be submitted.
913 AC_ARG_WITH(bug-report-url,
914 AS_HELP_STRING([--with-bug-report-url],
915 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
916 withval="http://llvm.org/bugs/")
917 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
920 dnl --enable-libffi : check whether the user wants to turn off libffi:
921 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
922 --enable-libffi,[Check for the presence of libffi (default is NO)]),
923 [case "$enableval" in
924 yes) llvm_cv_enable_libffi="yes" ;;
925 no) llvm_cv_enable_libffi="no" ;;
926 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
928 llvm_cv_enable_libffi=no)
930 AC_ARG_WITH(internal-prefix,
931 AS_HELP_STRING([--with-internal-prefix],
932 [Installation directory for internal files]),,
934 AC_SUBST(INTERNAL_PREFIX,[$withval])
936 dnl===-----------------------------------------------------------------------===
938 dnl=== SECTION 4: Check for programs we need and that they are the right version
940 dnl===-----------------------------------------------------------------------===
945 dnl Check for the tools that the makefiles require
948 AC_PATH_PROG(CMP, [cmp], [cmp])
949 AC_PATH_PROG(CP, [cp], [cp])
950 AC_PATH_PROG(DATE, [date], [date])
951 AC_PATH_PROG(FIND, [find], [find])
952 AC_PATH_PROG(GREP, [grep], [grep])
953 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
954 AC_PATH_PROG(MV, [mv], [mv])
956 AC_CHECK_TOOL(AR, ar, false)
957 AC_PATH_PROG(RM, [rm], [rm])
958 AC_PATH_PROG(SED, [sed], [sed])
959 AC_PATH_PROG(TAR, [tar], [gtar])
960 AC_PATH_PROG(BINPWD,[pwd], [pwd])
962 dnl Looking for misc. graph plotting software
963 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
964 if test "$GRAPHVIZ" != "echo Graphviz" ; then
965 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
966 dnl If we're targeting for mingw we should emit windows paths, not msys
967 if test "$llvm_cv_os_type" = "MingW" ; then
968 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
970 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
971 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
973 AC_PATH_PROG(DOT, [dot], [echo dot])
974 if test "$DOT" != "echo dot" ; then
975 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
976 dnl If we're targeting for mingw we should emit windows paths, not msys
977 if test "$llvm_cv_os_type" = "MingW" ; then
978 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
980 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
981 [Define to path to dot program if found or 'echo dot' otherwise])
983 AC_PATH_PROG(FDP, [fdp], [echo fdp])
984 if test "$FDP" != "echo fdp" ; then
985 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
986 dnl If we're targeting for mingw we should emit windows paths, not msys
987 if test "$llvm_cv_os_type" = "MingW" ; then
988 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
990 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
991 [Define to path to fdp program if found or 'echo fdp' otherwise])
993 AC_PATH_PROG(NEATO, [neato], [echo neato])
994 if test "$NEATO" != "echo neato" ; then
995 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
996 dnl If we're targeting for mingw we should emit windows paths, not msys
997 if test "$llvm_cv_os_type" = "MingW" ; then
998 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1000 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1001 [Define to path to neato program if found or 'echo neato' otherwise])
1003 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1004 if test "$TWOPI" != "echo twopi" ; then
1005 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1006 dnl If we're targeting for mingw we should emit windows paths, not msys
1007 if test "$llvm_cv_os_type" = "MingW" ; then
1008 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1010 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1011 [Define to path to twopi program if found or 'echo twopi' otherwise])
1013 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1014 if test "$CIRCO" != "echo circo" ; then
1015 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1016 dnl If we're targeting for mingw we should emit windows paths, not msys
1017 if test "$llvm_cv_os_type" = "MingW" ; then
1018 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1020 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1021 [Define to path to circo program if found or 'echo circo' otherwise])
1023 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1024 if test "$GV" != "echo gv" ; then
1025 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1026 dnl If we're targeting for mingw we should emit windows paths, not msys
1027 if test "$llvm_cv_os_type" = "MingW" ; then
1028 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1030 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1031 [Define to path to gv program if found or 'echo gv' otherwise])
1033 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1034 if test "$DOTTY" != "echo dotty" ; then
1035 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1036 dnl If we're targeting for mingw we should emit windows paths, not msys
1037 if test "$llvm_cv_os_type" = "MingW" ; then
1038 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1040 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1041 [Define to path to dotty program if found or 'echo dotty' otherwise])
1043 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1044 if test "$XDOT_PY" != "echo xdot.py" ; then
1045 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1046 dnl If we're targeting for mingw we should emit windows paths, not msys
1047 if test "$llvm_cv_os_type" = "MingW" ; then
1048 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1050 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1051 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1054 dnl Find the install program
1056 dnl Prepend src dir to install path dir if it's a relative path
1057 dnl This is a hack for installs that take place in something other
1058 dnl than the top level.
1060 [[\\/$]]* | ?:[[\\/]]* ) ;;
1061 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1064 dnl Checks for documentation and testing tools that we can do without. If these
1065 dnl are not found then they are set to "true" which always succeeds but does
1066 dnl nothing. This just lets the build output show that we could have done
1067 dnl something if the tool was available.
1068 AC_PATH_PROG(BZIP2, [bzip2])
1069 AC_PATH_PROG(CAT, [cat])
1070 AC_PATH_PROG(DOXYGEN, [doxygen])
1071 AC_PATH_PROG(GROFF, [groff])
1072 AC_PATH_PROG(GZIPBIN, [gzip])
1073 AC_PATH_PROG(PDFROFF, [pdfroff])
1074 AC_PATH_PROG(ZIP, [zip])
1075 AC_PATH_PROGS(OCAMLC, [ocamlc])
1076 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1077 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1078 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1079 AC_PATH_PROGS(GAS, [gas as])
1081 dnl Get the version of the linker in use.
1084 dnl Determine whether the linker supports the -R option.
1087 dnl Determine whether the linker supports the -export-dynamic option.
1088 AC_LINK_EXPORT_DYNAMIC
1090 dnl Determine whether the linker supports the --version-script option.
1091 AC_LINK_VERSION_SCRIPT
1093 dnl Check for libtool and the library that has dlopen function (which must come
1094 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1099 AC_MSG_CHECKING([tool compatibility])
1101 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1102 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1103 dnl to support those options.
1104 dnl "icc" emits gcc signatures
1105 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1117 if test "$GCC" != "yes" && test "$ICC" != "yes"
1119 AC_MSG_ERROR([gcc|icc required but not found])
1122 dnl Ensure that compilation tools are compatible with GCC extensions
1123 if test "$GXX" != "yes" && test "$IXX" != "yes"
1125 AC_MSG_ERROR([g++|clang++|icc required but not found])
1128 dnl Verify that GCC is version 3.0 or higher
1129 if test "$GCC" = "yes"
1131 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1132 #error Unsupported GCC version
1134 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1137 dnl Check for GNU Make. We use its extensions, so don't build without it
1138 if test -z "$llvm_cv_gnu_make_command"
1140 AC_MSG_ERROR([GNU Make required but not found])
1143 dnl Tool compatibility is okay if we make it here.
1146 dnl Check optional compiler flags.
1147 AC_MSG_CHECKING([optional compiler flags])
1148 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1149 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1150 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1151 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1153 dnl===-----------------------------------------------------------------------===
1155 dnl=== SECTION 5: Check for libraries
1157 dnl===-----------------------------------------------------------------------===
1160 if test "$llvm_cv_os_type" = "MingW" ; then
1161 AC_CHECK_LIB(imagehlp, main)
1162 AC_CHECK_LIB(psapi, main)
1165 dnl dlopen() is required for plugin support.
1166 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1167 [Define if dlopen() is available on this platform.]),
1168 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1170 dnl libffi is optional; used to call external functions from the interpreter
1171 if test "$llvm_cv_enable_libffi" = "yes" ; then
1172 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1173 [Define if libffi is available on this platform.]),
1174 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1177 dnl mallinfo is optional; the code can compile (minus features) without it
1178 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1179 [Define if mallinfo() is available on this platform.]))
1181 dnl pthread locking functions are optional - but llvm will not be thread-safe
1183 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1184 AC_CHECK_LIB(pthread, pthread_mutex_init)
1185 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1186 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1187 [Have pthread_mutex_lock]))
1188 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1189 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1190 [Have pthread_rwlock_init]))
1191 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1192 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1193 [Have pthread_getspecific]))
1196 dnl Allow extra x86-disassembler library
1198 AS_HELP_STRING([--with-udis86=<path>],
1199 [Use udis86 external x86 disassembler library]),
1201 AC_SUBST(USE_UDIS86, [1])
1204 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1206 AC_CHECK_LIB(udis86, ud_init, [], [
1207 echo "Error! You need to have libudis86 around."
1211 AC_SUBST(USE_UDIS86, [0]))
1212 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1213 [Define if use udis86 library])
1215 dnl Allow OProfile support for JIT output.
1216 AC_ARG_WITH(oprofile,
1217 AS_HELP_STRING([--with-oprofile=<prefix>],
1218 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1220 AC_SUBST(USE_OPROFILE, [1])
1222 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1224 AC_SUBST(USE_OPROFILE, [0]) ;;
1225 *) llvm_cv_oppath="${withval}/lib/oprofile"
1226 CPPFLAGS="-I${withval}/include";;
1228 case $llvm_cv_os_type in
1230 if test -n "$llvm_cv_oppath" ; then
1231 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1232 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1233 dnl libbfd is not included properly in libopagent in some Debian
1234 dnl versions. If libbfd isn't found at all, we assume opagent works
1236 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1237 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1238 echo "Error! You need to have libopagent around."
1241 AC_CHECK_HEADER([opagent.h], [], [
1242 echo "Error! You need to have opagent.h around."
1247 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1251 AC_SUBST(USE_OPROFILE, [0])
1253 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1254 [Define if we have the oprofile JIT-support library])
1256 dnl Enable support for Intel JIT Events API.
1257 AC_ARG_WITH(intel-jitevents,
1258 AS_HELP_STRING([--with-intel-jitevents=<vtune-amplifier-dir>],
1259 [Specify location of run-time support library for Intel JIT API (default=/opt/intel/vtune_amplifier_xe_2011)]),
1261 case $llvm_cv_os_type in
1262 Linux|Win32|Cygwin|MingW) ;;
1265 Intel JIT API support is available on Linux and Windows only."]) ;;
1268 AC_SUBST(USE_INTEL_JITEVENTS, [1])
1269 case "$llvm_cv_target_arch" in
1270 x86) llvm_intel_jitevents_archdir="lib32";;
1271 x86_64) llvm_intel_jitevents_archdir="lib64";;
1272 *) echo "Target architecture $llvm_cv_target_arch does not support Intel JIT Events API"
1275 INTEL_JITEVENTS_INCDIR="/opt/intel/vtune_amplifier_xe_2011/include"
1276 INTEL_JITEVENTS_LIBDIR="/opt/intel/vtune_amplifier_xe_2011/$llvm_intel_jitevents_archdir"
1278 /* | [[A-Za-z]]:[[\\/]]*) INTEL_JITEVENTS_INCDIR=$withval/include
1279 INTEL_JITEVENTS_LIBDIR=$withval/$llvm_intel_jitevents_archdir ;;
1283 AC_SUBST(INTEL_JITEVENTS_INCDIR)
1284 AC_SUBST(INTEL_JITEVENTS_LIBDIR)
1286 LIBS="$LIBS -L${INTEL_JITEVENTS_LIBDIR}"
1287 CPPFLAGS="$CPPFLAGS -I$INTEL_JITEVENTS_INCDIR"
1289 AC_SEARCH_LIBS(iJIT_IsProfilingActive, jitprofiling, [], [
1290 echo "Error! Cannot find libjitprofiling.a. Please check path specified in flag --with-intel-jitevents"
1293 AC_CHECK_HEADER([jitprofiling.h], [], [
1294 echo "Error! Cannot find jitprofiling.h. Please check path specified in flag --with-intel-jitevents"
1300 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1302 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1303 [Define if we have the Intel JIT API runtime support library])
1305 dnl Check for libxml2
1306 dnl Right now we're just checking for the existence, we could also check for a
1307 dnl particular version via --version on xml2-config
1308 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1310 AC_MSG_CHECKING(for libxml2 includes)
1311 if test "x$XML2CONFIG" = "x"; then
1312 AC_MSG_RESULT(xml2-config not found)
1314 LIBXML2_INC=`$XML2CONFIG --cflags`
1315 AC_MSG_RESULT($LIBXML2_INC)
1316 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1317 LIBXML2_LIBS="-lxml2"])
1319 AC_SUBST(LIBXML2_LIBS)
1320 AC_SUBST(LIBXML2_INC)
1322 dnl===-----------------------------------------------------------------------===
1324 dnl=== SECTION 6: Check for header files
1326 dnl===-----------------------------------------------------------------------===
1328 dnl First, use autoconf provided macros for specific headers that we need
1329 dnl We don't check for ancient stuff or things that are guaranteed to be there
1330 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1331 dnl Generally we're looking for POSIX headers.
1333 AC_HEADER_MMAP_ANONYMOUS
1338 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1339 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1340 AC_CHECK_HEADERS([utime.h windows.h])
1341 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1342 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1343 AC_CHECK_HEADERS([valgrind/valgrind.h])
1344 AC_CHECK_HEADERS([fenv.h])
1345 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1346 AC_CHECK_HEADERS(pthread.h,
1347 AC_SUBST(HAVE_PTHREAD, 1),
1348 AC_SUBST(HAVE_PTHREAD, 0))
1350 AC_SUBST(HAVE_PTHREAD, 0)
1353 dnl Try to find ffi.h.
1354 if test "$llvm_cv_enable_libffi" = "yes" ; then
1355 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1358 dnl Try to find Darwin specific crash reporting libraries.
1359 AC_CHECK_HEADERS([CrashReporterClient.h])
1361 dnl Try to find Darwin specific crash reporting global.
1362 AC_MSG_CHECKING([__crashreporter_info__])
1365 [[extern const char *__crashreporter_info__;
1367 __crashreporter_info__ = "test";
1372 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1374 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1375 Define if __crashreporter_info__ exists.))
1377 dnl===-----------------------------------------------------------------------===
1379 dnl=== SECTION 7: Check for types and structures
1381 dnl===-----------------------------------------------------------------------===
1386 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1388 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1389 AC_CHECK_TYPES([uint64_t],,
1390 AC_CHECK_TYPES([u_int64_t],,
1391 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1393 dnl===-----------------------------------------------------------------------===
1395 dnl=== SECTION 8: Check for specific functions needed
1397 dnl===-----------------------------------------------------------------------===
1399 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1400 AC_CHECK_FUNCS([powf fmodf strtof round ])
1401 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1402 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1403 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1404 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1405 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1406 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1410 dnl Check the declaration "Secure API" on Windows environments.
1411 AC_CHECK_DECLS([strerror_s])
1413 dnl Check symbols in libgcc.a for JIT on Mingw.
1414 if test "$llvm_cv_os_type" = "MingW" ; then
1415 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1416 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1417 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1418 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1420 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1421 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1422 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1423 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1424 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1425 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1426 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1427 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1428 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1429 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1431 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1432 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1435 dnl Check Win32 API EnumerateLoadedModules.
1436 if test "$llvm_cv_os_type" = "MingW" ; then
1437 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1438 AC_COMPILE_IFELSE([[#include <windows.h>
1439 #include <imagehlp.h>
1440 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1441 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1443 AC_MSG_RESULT([yes])
1444 llvm_cv_win32_elmcb_pcstr="PCSTR"
1448 llvm_cv_win32_elmcb_pcstr="PSTR"
1450 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1453 dnl Check for variations in the Standard C++ library and STL. These macros are
1454 dnl provided by LLVM in the autoconf/m4 directory.
1458 dnl Check for mmap support.We also need to know if /dev/zero is required to
1459 dnl be opened for allocating RWX memory.
1460 dnl Make sure we aren't attempting to configure for an unknown system
1461 if test "$llvm_cv_platform_type" = "Unix" ; then
1464 AC_NEED_DEV_ZERO_FOR_MMAP
1466 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1468 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1470 if test "$ac_cv_func_mmap_file" = "no"
1472 AC_MSG_WARN([mmap() of files required but not found])
1476 dnl atomic builtins are required for threading support.
1477 AC_MSG_CHECKING(for GCC atomic builtins)
1478 dnl Since we'll be using these atomic builtins in C++ files we should test
1479 dnl the C++ compiler.
1484 volatile unsigned long val = 1;
1485 __sync_synchronize();
1486 __sync_val_compare_and_swap(&val, 1, 0);
1487 __sync_add_and_fetch(&val, 1);
1488 __sync_sub_and_fetch(&val, 1);
1494 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1496 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1497 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1499 dnl===-----------------------------------------------------------------------===
1501 dnl=== SECTION 9: Additional checks, variables, etc.
1503 dnl===-----------------------------------------------------------------------===
1505 dnl Handle 32-bit linux systems running a 64-bit kernel.
1506 dnl This has to come after section 4 because it invokes the compiler.
1507 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1509 if test "$llvm_cv_linux_mixed" = "yes"; then
1510 llvm_cv_target_arch="x86"
1515 dnl Check whether __dso_handle is present
1516 AC_CHECK_FUNCS([__dso_handle])
1518 dnl Propagate the shared library extension that the libltdl checks did to
1519 dnl the Makefiles so we can use it there too
1520 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1522 dnl Propagate the run-time library path variable that the libltdl
1523 dnl checks found to the Makefiles so we can use it there too
1524 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1526 dnl Translate the various configuration directories and other basic
1527 dnl information into substitutions that will end up in Makefile.config.in
1528 dnl that these configured values can be used by the makefiles
1529 if test "${prefix}" = "NONE" ; then
1532 eval LLVM_PREFIX="${prefix}";
1533 eval LLVM_BINDIR="${prefix}/bin";
1534 eval LLVM_LIBDIR="${prefix}/lib";
1535 eval LLVM_DATADIR="${prefix}/share/llvm";
1536 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1537 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1538 eval LLVM_INCLUDEDIR="${prefix}/include";
1539 eval LLVM_INFODIR="${prefix}/info";
1540 eval LLVM_MANDIR="${prefix}/man";
1541 LLVM_CONFIGTIME=`date`
1542 AC_SUBST(LLVM_PREFIX)
1543 AC_SUBST(LLVM_BINDIR)
1544 AC_SUBST(LLVM_LIBDIR)
1545 AC_SUBST(LLVM_DATADIR)
1546 AC_SUBST(LLVM_DOCSDIR)
1547 AC_SUBST(LLVM_ETCDIR)
1548 AC_SUBST(LLVM_INCLUDEDIR)
1549 AC_SUBST(LLVM_INFODIR)
1550 AC_SUBST(LLVM_MANDIR)
1551 AC_SUBST(LLVM_CONFIGTIME)
1553 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1554 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1555 LLVM_CONFIGTIME="(timestamp not enabled)"
1558 dnl Place the various directories into the config.h file as #defines so that we
1559 dnl can know about the installation paths within LLVM.
1560 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1561 [Installation prefix directory])
1562 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1563 [Installation directory for binary executables])
1564 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1565 [Installation directory for libraries])
1566 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1567 [Installation directory for data files])
1568 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1569 [Installation directory for documentation])
1570 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1571 [Installation directory for config files])
1572 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1573 [Installation directory for include files])
1574 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1575 [Installation directory for .info files])
1576 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1577 [Installation directory for man pages])
1578 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1579 [Time at which LLVM was configured])
1580 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1581 [Host triple LLVM will be executed on])
1582 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1583 [Target triple LLVM will generate code for by default])
1585 dnl Determine which bindings to build.
1586 if test "$BINDINGS_TO_BUILD" = auto ; then
1587 BINDINGS_TO_BUILD=""
1588 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1589 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1592 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1594 dnl This isn't really configurey, but it avoids having to repeat the list in
1596 AC_SUBST(ALL_BINDINGS,ocaml)
1598 dnl Do any work necessary to ensure that bindings have what they need.
1599 binding_prereqs_failed=0
1600 for a_binding in $BINDINGS_TO_BUILD ; do
1601 case "$a_binding" in
1603 if test "x$OCAMLC" = x ; then
1604 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1605 binding_prereqs_failed=1
1607 if test "x$OCAMLDEP" = x ; then
1608 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1609 binding_prereqs_failed=1
1611 if test "x$OCAMLOPT" = x ; then
1612 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1613 dnl ocamlopt is optional!
1615 if test "x$with_ocaml_libdir" != xauto ; then
1616 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1618 ocaml_stdlib="`"$OCAMLC" -where`"
1619 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1621 # ocaml stdlib is beneath our prefix; use stdlib
1622 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1624 # ocaml stdlib is outside our prefix; use libdir/ocaml
1625 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1631 if test "$binding_prereqs_failed" = 1 ; then
1632 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1635 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1636 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1638 dnl Determine linker rpath flag
1639 if test "$llvm_cv_link_use_r" = "yes" ; then
1646 dnl Determine linker rdynamic flag
1647 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1648 RDYNAMIC="-Wl,-export-dynamic"
1654 dnl===-----------------------------------------------------------------------===
1656 dnl=== SECTION 10: Specify the output files and generate it
1658 dnl===-----------------------------------------------------------------------===
1660 dnl Configure header files
1661 dnl WARNING: dnl If you add or remove any of the following config headers, then
1662 dnl you MUST also update Makefile so that the variable FilesToConfig
1663 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1664 dnl files can be updated automatically when their *.in sources change.
1665 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1666 AH_TOP([#ifndef CONFIG_H
1670 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1671 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1672 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1673 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1674 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1676 dnl Configure the makefile's configuration data
1677 AC_CONFIG_FILES([Makefile.config])
1679 dnl Configure the RPM spec file for LLVM
1680 AC_CONFIG_FILES([llvm.spec])
1682 dnl Configure doxygen's configuration file
1683 AC_CONFIG_FILES([docs/doxygen.cfg])
1685 dnl Configure clang, if present
1686 if test "${clang_src_root}" = ""; then
1687 clang_src_root="$srcdir/tools/clang"
1689 if test -f ${clang_src_root}/README.txt; then
1690 dnl Use variables to stay under 80 columns.
1691 configh="include/clang/Config/config.h"
1692 doxy="docs/doxygen.cfg"
1693 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1694 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1697 dnl OCaml findlib META file
1698 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1700 dnl Do special configuration of Makefiles
1701 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1702 AC_CONFIG_MAKEFILE(Makefile)
1703 AC_CONFIG_MAKEFILE(Makefile.common)
1704 AC_CONFIG_MAKEFILE(examples/Makefile)
1705 AC_CONFIG_MAKEFILE(lib/Makefile)
1706 AC_CONFIG_MAKEFILE(runtime/Makefile)
1707 AC_CONFIG_MAKEFILE(test/Makefile)
1708 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1709 AC_CONFIG_MAKEFILE(unittests/Makefile)
1710 AC_CONFIG_MAKEFILE(tools/Makefile)
1711 AC_CONFIG_MAKEFILE(utils/Makefile)
1712 AC_CONFIG_MAKEFILE(projects/Makefile)
1713 AC_CONFIG_MAKEFILE(bindings/Makefile)
1714 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1716 dnl Finally, crank out the output