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 $llvm_cv_platform_type in
345 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
346 AC_SUBST(LLVM_ON_UNIX,[1])
347 AC_SUBST(LLVM_ON_WIN32,[0])
350 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
351 AC_SUBST(LLVM_ON_UNIX,[0])
352 AC_SUBST(LLVM_ON_WIN32,[1])
356 dnl Determine what our target architecture is and configure accordingly.
357 dnl This will allow Makefiles to make a distinction between the hardware and
359 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
361 i?86-*) llvm_cv_target_arch="x86" ;;
362 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
363 sparc*-*) llvm_cv_target_arch="Sparc" ;;
364 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
365 arm*-*) llvm_cv_target_arch="ARM" ;;
366 mips-*) llvm_cv_target_arch="Mips" ;;
367 mipsel-*) llvm_cv_target_arch="Mips" ;;
368 xcore-*) llvm_cv_target_arch="XCore" ;;
369 msp430-*) llvm_cv_target_arch="MSP430" ;;
370 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
371 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
372 ptx-*) llvm_cv_target_arch="PTX" ;;
373 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
374 *) llvm_cv_target_arch="Unknown" ;;
377 if test "$llvm_cv_target_arch" = "Unknown" ; then
378 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
381 dnl Determine the LLVM native architecture for the target
382 case "$llvm_cv_target_arch" in
383 x86) LLVM_NATIVE_ARCH="X86" ;;
384 x86_64) LLVM_NATIVE_ARCH="X86" ;;
385 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
388 dnl Define a substitution, ARCH, for the target architecture
389 AC_SUBST(ARCH,$llvm_cv_target_arch)
391 dnl Check for the endianness of the target
392 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
394 dnl Check for build platform executable suffix if we're cross-compiling
395 if test "$cross_compiling" = yes; then
396 AC_SUBST(LLVM_CROSS_COMPILING, [1])
398 ac_build_prefix=${build_alias}-
399 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
400 if test -z "$BUILD_CXX"; then
401 AC_CHECK_PROG(BUILD_CXX, g++, g++)
402 if test -z "$BUILD_CXX"; then
403 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
407 AC_SUBST(LLVM_CROSS_COMPILING, [0])
410 dnl Check to see if there's a .svn or .git directory indicating that this
411 dnl build is being done from a checkout. This sets up several defaults for
412 dnl the command line switches. When we build with a checkout directory,
413 dnl we get a debug with assertions turned on. Without, we assume a source
414 dnl release and we get an optimized build without assertions.
415 dnl See --enable-optimized and --enable-assertions below
416 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
419 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
425 dnl===-----------------------------------------------------------------------===
427 dnl=== SECTION 3: Command line arguments for the configure script.
429 dnl===-----------------------------------------------------------------------===
431 dnl --enable-libcpp : check whether or not to use libc++ on the command line
432 AC_ARG_ENABLE(libcpp,
433 AS_HELP_STRING([--enable-libcpp],
434 [Use libc++ if available (default is NO)]),,
437 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
438 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
439 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
440 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
443 dnl --enable-optimized : check whether they want to do an optimized build:
444 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
445 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
446 if test ${enableval} = "no" ; then
447 AC_SUBST(ENABLE_OPTIMIZED,[[]])
449 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
452 dnl --enable-profiling : check whether they want to do a profile build:
453 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
454 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
455 if test ${enableval} = "no" ; then
456 AC_SUBST(ENABLE_PROFILING,[[]])
458 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
461 dnl --enable-assertions : check whether they want to turn on assertions or not:
462 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
463 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
464 if test ${enableval} = "yes" ; then
465 AC_SUBST(DISABLE_ASSERTIONS,[[]])
467 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
470 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
471 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
472 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
473 if test ${enableval} = "yes" ; then
474 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
475 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
477 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
478 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
481 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
482 AC_ARG_ENABLE(debug-runtime,
483 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
484 if test ${enableval} = "no" ; then
485 AC_SUBST(DEBUG_RUNTIME,[[]])
487 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
490 dnl --enable-debug-symbols : should even optimized compiler libraries
491 dnl have debug symbols?
492 AC_ARG_ENABLE(debug-symbols,
493 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)
494 if test ${enableval} = "no" ; then
495 AC_SUBST(DEBUG_SYMBOLS,[[]])
497 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
500 dnl --enable-jit: check whether they want to enable the jit
502 AS_HELP_STRING(--enable-jit,
503 [Enable Just In Time Compiling (default is YES)]),,
505 if test ${enableval} = "no"
509 case "$llvm_cv_target_arch" in
510 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
511 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
512 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
513 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
514 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
515 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
516 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
517 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
518 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
519 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
520 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
521 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
522 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
526 dnl Allow enablement of building and installing docs
528 AS_HELP_STRING([--enable-docs],
529 [Build documents (default is YES)]),,
532 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
533 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
534 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
535 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
538 dnl Allow enablement of doxygen generated documentation
539 AC_ARG_ENABLE(doxygen,
540 AS_HELP_STRING([--enable-doxygen],
541 [Build doxygen documentation (default is NO)]),,
544 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
545 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
546 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
547 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
550 dnl Allow disablement of threads
551 AC_ARG_ENABLE(threads,
552 AS_HELP_STRING([--enable-threads],
553 [Use threads if available (default is YES)]),,
556 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
557 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
558 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
559 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
561 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
562 [Define if threads enabled])
564 dnl Allow disablement of pthread.h
565 AC_ARG_ENABLE(pthreads,
566 AS_HELP_STRING([--enable-pthreads],
567 [Use pthreads if available (default is YES)]),,
570 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
571 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
572 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
573 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
576 dnl Allow building without position independent code
578 AS_HELP_STRING([--enable-pic],
579 [Build LLVM with Position Independent Code (default is YES)]),,
582 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
583 no) AC_SUBST(ENABLE_PIC,[0]) ;;
584 default) AC_SUBST(ENABLE_PIC,[1]) ;;
585 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
587 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
588 [Define if position independent code is enabled])
590 dnl Allow building a shared library and linking tools against it.
591 AC_ARG_ENABLE(shared,
592 AS_HELP_STRING([--enable-shared],
593 [Build a shared library and link tools against it (default is NO)]),,
596 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
597 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
598 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
599 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
602 dnl Allow libstdc++ is embedded in LLVM.dll.
603 AC_ARG_ENABLE(embed-stdcxx,
604 AS_HELP_STRING([--enable-embed-stdcxx],
605 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
608 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
609 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
610 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
611 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
614 dnl Enable embedding timestamp information into build.
615 AC_ARG_ENABLE(timestamps,
616 AS_HELP_STRING([--enable-timestamps],
617 [Enable embedding timestamp information in build (default is YES)]),,
620 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
621 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
622 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
623 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
625 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
626 [Define if timestamp information (e.g., __DATE___) is allowed])
628 dnl Allow specific targets to be specified for building (or not)
630 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
631 [Build specific host targets: all or target1,target2,... Valid targets are:
632 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
633 xcore, msp430, ptx, nvptx, and cpp (default=all)]),,
635 if test "$enableval" = host-only ; then
639 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CppBackend MBlaze PTX NVPTX Hexagon" ;;
640 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
642 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
643 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
644 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
645 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
646 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
647 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
648 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
649 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
650 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
651 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
652 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
653 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
654 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
655 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
656 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
657 host) case "$llvm_cv_target_arch" in
658 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
659 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
660 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
661 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
662 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
663 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
664 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
665 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
666 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
667 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
668 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
669 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
670 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
671 *) AC_MSG_ERROR([Can not set target to build]) ;;
673 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
678 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
680 dnl Determine whether we are building LLVM support for the native architecture.
681 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
682 for a_target in $TARGETS_TO_BUILD; do
683 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
684 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
685 [LLVM architecture name for the native architecture, if available])
686 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
687 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
688 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
689 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
690 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
691 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
693 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
694 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
696 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
697 [LLVM name for the native Target init function, if available])
698 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
699 [LLVM name for the native TargetInfo init function, if available])
700 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
701 [LLVM name for the native target MC init function, if available])
702 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
703 [LLVM name for the native AsmPrinter init function, if available])
704 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
705 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
706 [LLVM name for the native AsmParser init function, if available])
708 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
709 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
710 [LLVM name for the native Disassembler init function, if available])
715 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
716 dnl target feature def files.
718 LLVM_ENUM_ASM_PRINTERS=""
719 LLVM_ENUM_ASM_PARSERS=""
720 LLVM_ENUM_DISASSEMBLERS=""
721 for target_to_build in $TARGETS_TO_BUILD; do
722 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
723 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
724 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
726 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
727 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
729 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
730 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
733 AC_SUBST(LLVM_ENUM_TARGETS)
734 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
735 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
736 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
738 dnl Override the option to use for optimized builds.
739 AC_ARG_WITH(optimize-option,
740 AS_HELP_STRING([--with-optimize-option],
741 [Select the compiler options to use for optimized builds]),,
743 AC_MSG_CHECKING([optimization flags])
746 case "$llvm_cv_os_type" in
747 FreeBSD) optimize_option=-O2 ;;
748 MingW) optimize_option=-O2 ;;
749 *) optimize_option=-O3 ;;
751 *) optimize_option="$withval" ;;
753 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
754 AC_MSG_RESULT([$optimize_option])
756 dnl Specify extra build options
757 AC_ARG_WITH(extra-options,
758 AS_HELP_STRING([--with-extra-options],
759 [Specify additional options to compile LLVM with]),,
762 default) EXTRA_OPTIONS= ;;
763 *) EXTRA_OPTIONS=$withval ;;
765 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
767 dnl Specify extra linker build options
768 AC_ARG_WITH(extra-ld-options,
769 AS_HELP_STRING([--with-extra-ld-options],
770 [Specify additional options to link LLVM with]),,
773 default) EXTRA_LD_OPTIONS= ;;
774 *) EXTRA_LD_OPTIONS=$withval ;;
776 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
778 dnl Allow specific bindings to be specified for building (or not)
779 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
780 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
784 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
785 all ) BINDINGS_TO_BUILD="ocaml" ;;
786 none | no) BINDINGS_TO_BUILD="" ;;
787 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
789 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
790 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
796 dnl Allow the ocaml libdir to be overridden. This could go in a configure
797 dnl script for bindings/ocaml/configure, except that its auto value depends on
798 dnl OCAMLC, which is found here to support tests.
799 AC_ARG_WITH([ocaml-libdir],
800 [AS_HELP_STRING([--with-ocaml-libdir],
801 [Specify install location for ocaml bindings (default is stdlib)])],
805 auto) with_ocaml_libdir="$withval" ;;
806 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
807 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
810 AC_ARG_WITH(clang-srcdir,
811 AS_HELP_STRING([--with-clang-srcdir],
812 [Directory to the out-of-tree Clang source]),,
815 -) clang_src_root="" ;;
816 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
817 *) clang_src_root="$ac_pwd/$withval" ;;
819 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
821 AC_ARG_WITH(clang-resource-dir,
822 AS_HELP_STRING([--with-clang-resource-dir],
823 [Relative directory from the Clang binary for resource files]),,
825 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
826 [Relative directory for resource files])
828 AC_ARG_WITH(c-include-dirs,
829 AS_HELP_STRING([--with-c-include-dirs],
830 [Colon separated list of directories clang will search for headers]),,
832 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
833 [Directories clang will search for headers])
835 # Clang normally uses the system c++ headers and libraries. With this option,
836 # clang will use the ones provided by a gcc installation instead. This option should
837 # be passed the same value that was used with --prefix when configuring gcc.
838 AC_ARG_WITH(gcc-toolchain,
839 AS_HELP_STRING([--with-gcc-toolchain],
840 [Directory where gcc is installed.]),,
842 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
843 [Directory where gcc is installed.])
845 AC_ARG_WITH(default-sysroot,
846 AS_HELP_STRING([--with-default-sysroot],
847 [Add --sysroot=<path> to all compiler invocations.]),,
849 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
850 [Default <path> to all compiler invocations for --sysroot=<path>.])
852 dnl Allow linking of LLVM with GPLv3 binutils code.
853 AC_ARG_WITH(binutils-include,
854 AS_HELP_STRING([--with-binutils-include],
855 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
858 default) WITH_BINUTILS_INCDIR=default ;;
859 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
860 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
862 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
863 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
864 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
865 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
866 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
870 dnl Specify the URL where bug reports should be submitted.
871 AC_ARG_WITH(bug-report-url,
872 AS_HELP_STRING([--with-bug-report-url],
873 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
874 withval="http://llvm.org/bugs/")
875 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
878 dnl --enable-libffi : check whether the user wants to turn off libffi:
879 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
880 --enable-libffi,[Check for the presence of libffi (default is NO)]),
881 [case "$enableval" in
882 yes) llvm_cv_enable_libffi="yes" ;;
883 no) llvm_cv_enable_libffi="no" ;;
884 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
886 llvm_cv_enable_libffi=no)
888 AC_ARG_WITH(internal-prefix,
889 AS_HELP_STRING([--with-internal-prefix],
890 [Installation directory for internal files]),,
892 AC_SUBST(INTERNAL_PREFIX,[$withval])
894 dnl===-----------------------------------------------------------------------===
896 dnl=== SECTION 4: Check for programs we need and that they are the right version
898 dnl===-----------------------------------------------------------------------===
903 dnl Check for the tools that the makefiles require
906 AC_PATH_PROG(CMP, [cmp], [cmp])
907 AC_PATH_PROG(CP, [cp], [cp])
908 AC_PATH_PROG(DATE, [date], [date])
909 AC_PATH_PROG(FIND, [find], [find])
910 AC_PATH_PROG(GREP, [grep], [grep])
911 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
912 AC_PATH_PROG(MV, [mv], [mv])
914 AC_CHECK_TOOL(AR, ar, false)
915 AC_PATH_PROG(RM, [rm], [rm])
916 AC_PATH_PROG(SED, [sed], [sed])
917 AC_PATH_PROG(TAR, [tar], [gtar])
918 AC_PATH_PROG(BINPWD,[pwd], [pwd])
920 dnl Looking for misc. graph plotting software
921 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
922 if test "$GRAPHVIZ" != "echo Graphviz" ; then
923 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
924 dnl If we're targeting for mingw we should emit windows paths, not msys
925 if test "$llvm_cv_os_type" = "MingW" ; then
926 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
928 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
929 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
931 AC_PATH_PROG(DOT, [dot], [echo dot])
932 if test "$DOT" != "echo dot" ; then
933 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
934 dnl If we're targeting for mingw we should emit windows paths, not msys
935 if test "$llvm_cv_os_type" = "MingW" ; then
936 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
938 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
939 [Define to path to dot program if found or 'echo dot' otherwise])
941 AC_PATH_PROG(FDP, [fdp], [echo fdp])
942 if test "$FDP" != "echo fdp" ; then
943 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
944 dnl If we're targeting for mingw we should emit windows paths, not msys
945 if test "$llvm_cv_os_type" = "MingW" ; then
946 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
948 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
949 [Define to path to fdp program if found or 'echo fdp' otherwise])
951 AC_PATH_PROG(NEATO, [neato], [echo neato])
952 if test "$NEATO" != "echo neato" ; then
953 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
954 dnl If we're targeting for mingw we should emit windows paths, not msys
955 if test "$llvm_cv_os_type" = "MingW" ; then
956 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
958 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
959 [Define to path to neato program if found or 'echo neato' otherwise])
961 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
962 if test "$TWOPI" != "echo twopi" ; then
963 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
964 dnl If we're targeting for mingw we should emit windows paths, not msys
965 if test "$llvm_cv_os_type" = "MingW" ; then
966 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
968 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
969 [Define to path to twopi program if found or 'echo twopi' otherwise])
971 AC_PATH_PROG(CIRCO, [circo], [echo circo])
972 if test "$CIRCO" != "echo circo" ; then
973 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
974 dnl If we're targeting for mingw we should emit windows paths, not msys
975 if test "$llvm_cv_os_type" = "MingW" ; then
976 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
978 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
979 [Define to path to circo program if found or 'echo circo' otherwise])
981 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
982 if test "$GV" != "echo gv" ; then
983 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
984 dnl If we're targeting for mingw we should emit windows paths, not msys
985 if test "$llvm_cv_os_type" = "MingW" ; then
986 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
988 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
989 [Define to path to gv program if found or 'echo gv' otherwise])
991 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
992 if test "$DOTTY" != "echo dotty" ; then
993 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
994 dnl If we're targeting for mingw we should emit windows paths, not msys
995 if test "$llvm_cv_os_type" = "MingW" ; then
996 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
998 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
999 [Define to path to dotty program if found or 'echo dotty' otherwise])
1001 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1002 if test "$XDOT_PY" != "echo xdot.py" ; then
1003 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1004 dnl If we're targeting for mingw we should emit windows paths, not msys
1005 if test "$llvm_cv_os_type" = "MingW" ; then
1006 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1008 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1009 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1012 dnl Find the install program
1014 dnl Prepend src dir to install path dir if it's a relative path
1015 dnl This is a hack for installs that take place in something other
1016 dnl than the top level.
1018 [[\\/$]]* | ?:[[\\/]]* ) ;;
1019 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1022 dnl Checks for documentation and testing tools that we can do without. If these
1023 dnl are not found then they are set to "true" which always succeeds but does
1024 dnl nothing. This just lets the build output show that we could have done
1025 dnl something if the tool was available.
1026 AC_PATH_PROG(BZIP2, [bzip2])
1027 AC_PATH_PROG(CAT, [cat])
1028 AC_PATH_PROG(DOXYGEN, [doxygen])
1029 AC_PATH_PROG(GZIPBIN, [gzip])
1031 AC_PATH_PROG(ZIP, [zip])
1032 AC_PATH_PROGS(OCAMLC, [ocamlc])
1033 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1034 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1035 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1037 dnl Get the version of the linker in use.
1040 dnl Determine whether the linker supports the -R option.
1043 dnl Determine whether the linker supports the -export-dynamic option.
1044 AC_LINK_EXPORT_DYNAMIC
1046 dnl Determine whether the linker supports the --version-script option.
1047 AC_LINK_VERSION_SCRIPT
1049 dnl Check for libtool and the library that has dlopen function (which must come
1050 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1055 AC_MSG_CHECKING([tool compatibility])
1057 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1058 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1059 dnl to support those options.
1060 dnl "icc" emits gcc signatures
1061 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1073 if test "$GCC" != "yes" && test "$ICC" != "yes"
1075 AC_MSG_ERROR([gcc|icc required but not found])
1078 dnl Ensure that compilation tools are compatible with GCC extensions
1079 if test "$GXX" != "yes" && test "$IXX" != "yes"
1081 AC_MSG_ERROR([g++|clang++|icc required but not found])
1084 dnl Verify that GCC is version 3.0 or higher
1085 if test "$GCC" = "yes"
1087 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1088 #error Unsupported GCC version
1090 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1093 dnl Check for GNU Make. We use its extensions, so don't build without it
1094 if test -z "$llvm_cv_gnu_make_command"
1096 AC_MSG_ERROR([GNU Make required but not found])
1099 dnl Tool compatibility is okay if we make it here.
1102 dnl Check optional compiler flags.
1103 AC_MSG_CHECKING([optional compiler flags])
1104 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1105 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1106 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1107 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1109 dnl===-----------------------------------------------------------------------===
1111 dnl=== SECTION 5: Check for libraries
1113 dnl===-----------------------------------------------------------------------===
1116 if test "$llvm_cv_os_type" = "MingW" ; then
1117 AC_CHECK_LIB(imagehlp, main)
1118 AC_CHECK_LIB(psapi, main)
1121 dnl dlopen() is required for plugin support.
1122 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1123 [Define if dlopen() is available on this platform.]),
1124 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1126 dnl libffi is optional; used to call external functions from the interpreter
1127 if test "$llvm_cv_enable_libffi" = "yes" ; then
1128 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1129 [Define if libffi is available on this platform.]),
1130 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1133 dnl mallinfo is optional; the code can compile (minus features) without it
1134 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1135 [Define if mallinfo() is available on this platform.]))
1137 dnl pthread locking functions are optional - but llvm will not be thread-safe
1139 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1140 AC_CHECK_LIB(pthread, pthread_mutex_init)
1141 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1142 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1143 [Have pthread_mutex_lock]))
1144 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1145 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1146 [Have pthread_rwlock_init]))
1147 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1148 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1149 [Have pthread_getspecific]))
1152 dnl Allow extra x86-disassembler library
1154 AS_HELP_STRING([--with-udis86=<path>],
1155 [Use udis86 external x86 disassembler library]),
1157 AC_SUBST(USE_UDIS86, [1])
1160 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1162 AC_CHECK_LIB(udis86, ud_init, [], [
1163 echo "Error! You need to have libudis86 around."
1167 AC_SUBST(USE_UDIS86, [0]))
1168 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1169 [Define if use udis86 library])
1171 dnl Allow OProfile support for JIT output.
1172 AC_ARG_WITH(oprofile,
1173 AS_HELP_STRING([--with-oprofile=<prefix>],
1174 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1176 AC_SUBST(USE_OPROFILE, [1])
1178 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1180 AC_SUBST(USE_OPROFILE, [0]) ;;
1181 *) llvm_cv_oppath="${withval}/lib/oprofile"
1182 CPPFLAGS="-I${withval}/include";;
1184 case $llvm_cv_os_type in
1186 if test -n "$llvm_cv_oppath" ; then
1187 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1188 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1189 dnl libbfd is not included properly in libopagent in some Debian
1190 dnl versions. If libbfd isn't found at all, we assume opagent works
1192 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1193 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1194 echo "Error! You need to have libopagent around."
1197 AC_CHECK_HEADER([opagent.h], [], [
1198 echo "Error! You need to have opagent.h around."
1203 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1207 AC_SUBST(USE_OPROFILE, [0])
1209 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1210 [Define if we have the oprofile JIT-support library])
1212 dnl Enable support for Intel JIT Events API.
1213 AC_ARG_WITH(intel-jitevents,
1214 AS_HELP_STRING([--with-intel-jitevents=<vtune-amplifier-dir>],
1215 [Specify location of run-time support library for Intel JIT API (default=/opt/intel/vtune_amplifier_xe_2011)]),
1217 case $llvm_cv_os_type in
1218 Linux|Win32|Cygwin|MingW) ;;
1221 Intel JIT API support is available on Linux and Windows only."]) ;;
1224 AC_SUBST(USE_INTEL_JITEVENTS, [1])
1225 case "$llvm_cv_target_arch" in
1226 x86) llvm_intel_jitevents_archdir="lib32";;
1227 x86_64) llvm_intel_jitevents_archdir="lib64";;
1228 *) echo "Target architecture $llvm_cv_target_arch does not support Intel JIT Events API"
1231 INTEL_JITEVENTS_INCDIR="/opt/intel/vtune_amplifier_xe_2011/include"
1232 INTEL_JITEVENTS_LIBDIR="/opt/intel/vtune_amplifier_xe_2011/$llvm_intel_jitevents_archdir"
1234 /* | [[A-Za-z]]:[[\\/]]*) INTEL_JITEVENTS_INCDIR=$withval/include
1235 INTEL_JITEVENTS_LIBDIR=$withval/$llvm_intel_jitevents_archdir ;;
1239 AC_SUBST(INTEL_JITEVENTS_INCDIR)
1240 AC_SUBST(INTEL_JITEVENTS_LIBDIR)
1242 LIBS="$LIBS -L${INTEL_JITEVENTS_LIBDIR}"
1243 CPPFLAGS="$CPPFLAGS -I$INTEL_JITEVENTS_INCDIR"
1245 AC_SEARCH_LIBS(iJIT_IsProfilingActive, jitprofiling, [], [
1246 echo "Error! Cannot find libjitprofiling.a. Please check path specified in flag --with-intel-jitevents"
1249 AC_CHECK_HEADER([jitprofiling.h], [], [
1250 echo "Error! Cannot find jitprofiling.h. Please check path specified in flag --with-intel-jitevents"
1256 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1258 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1259 [Define if we have the Intel JIT API runtime support library])
1261 dnl===-----------------------------------------------------------------------===
1263 dnl=== SECTION 6: Check for header files
1265 dnl===-----------------------------------------------------------------------===
1267 dnl First, use autoconf provided macros for specific headers that we need
1268 dnl We don't check for ancient stuff or things that are guaranteed to be there
1269 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1270 dnl Generally we're looking for POSIX headers.
1272 AC_HEADER_MMAP_ANONYMOUS
1277 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1278 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1279 AC_CHECK_HEADERS([utime.h windows.h])
1280 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1281 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1282 AC_CHECK_HEADERS([valgrind/valgrind.h])
1283 AC_CHECK_HEADERS([fenv.h])
1284 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1285 AC_CHECK_HEADERS(pthread.h,
1286 AC_SUBST(HAVE_PTHREAD, 1),
1287 AC_SUBST(HAVE_PTHREAD, 0))
1289 AC_SUBST(HAVE_PTHREAD, 0)
1292 dnl Try to find ffi.h.
1293 if test "$llvm_cv_enable_libffi" = "yes" ; then
1294 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1297 dnl Try to find Darwin specific crash reporting libraries.
1298 AC_CHECK_HEADERS([CrashReporterClient.h])
1300 dnl Try to find Darwin specific crash reporting global.
1301 AC_MSG_CHECKING([__crashreporter_info__])
1304 [[extern const char *__crashreporter_info__;
1306 __crashreporter_info__ = "test";
1311 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1313 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1314 Define if __crashreporter_info__ exists.))
1316 dnl===-----------------------------------------------------------------------===
1318 dnl=== SECTION 7: Check for types and structures
1320 dnl===-----------------------------------------------------------------------===
1325 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1327 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1328 AC_CHECK_TYPES([uint64_t],,
1329 AC_CHECK_TYPES([u_int64_t],,
1330 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1332 dnl===-----------------------------------------------------------------------===
1334 dnl=== SECTION 8: Check for specific functions needed
1336 dnl===-----------------------------------------------------------------------===
1338 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1339 AC_CHECK_FUNCS([powf fmodf strtof round ])
1340 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1341 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1342 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1343 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1344 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1345 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1349 dnl Check the declaration "Secure API" on Windows environments.
1350 AC_CHECK_DECLS([strerror_s])
1352 dnl Check symbols in libgcc.a for JIT on Mingw.
1353 if test "$llvm_cv_os_type" = "MingW" ; then
1354 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1355 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1356 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1357 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1359 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1360 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1361 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1362 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1363 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1364 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1365 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1366 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1367 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1368 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1370 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1371 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1374 dnl Check Win32 API EnumerateLoadedModules.
1375 if test "$llvm_cv_os_type" = "MingW" ; then
1376 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1377 AC_COMPILE_IFELSE([[#include <windows.h>
1378 #include <imagehlp.h>
1379 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1380 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1382 AC_MSG_RESULT([yes])
1383 llvm_cv_win32_elmcb_pcstr="PCSTR"
1387 llvm_cv_win32_elmcb_pcstr="PSTR"
1389 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1392 dnl Check for variations in the Standard C++ library and STL. These macros are
1393 dnl provided by LLVM in the autoconf/m4 directory.
1397 dnl Check for mmap support.We also need to know if /dev/zero is required to
1398 dnl be opened for allocating RWX memory.
1399 dnl Make sure we aren't attempting to configure for an unknown system
1400 if test "$llvm_cv_platform_type" = "Unix" ; then
1403 AC_NEED_DEV_ZERO_FOR_MMAP
1405 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1407 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1409 if test "$ac_cv_func_mmap_file" = "no"
1411 AC_MSG_WARN([mmap() of files required but not found])
1415 dnl atomic builtins are required for threading support.
1416 AC_MSG_CHECKING(for GCC atomic builtins)
1417 dnl Since we'll be using these atomic builtins in C++ files we should test
1418 dnl the C++ compiler.
1423 volatile unsigned long val = 1;
1424 __sync_synchronize();
1425 __sync_val_compare_and_swap(&val, 1, 0);
1426 __sync_add_and_fetch(&val, 1);
1427 __sync_sub_and_fetch(&val, 1);
1433 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1435 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1436 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1438 dnl===-----------------------------------------------------------------------===
1440 dnl=== SECTION 9: Additional checks, variables, etc.
1442 dnl===-----------------------------------------------------------------------===
1444 dnl Handle 32-bit linux systems running a 64-bit kernel.
1445 dnl This has to come after section 4 because it invokes the compiler.
1446 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1448 if test "$llvm_cv_linux_mixed" = "yes"; then
1449 llvm_cv_target_arch="x86"
1454 dnl Check whether __dso_handle is present
1455 AC_CHECK_FUNCS([__dso_handle])
1457 dnl Propagate the shared library extension that the libltdl checks did to
1458 dnl the Makefiles so we can use it there too
1459 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1461 dnl Propagate the run-time library path variable that the libltdl
1462 dnl checks found to the Makefiles so we can use it there too
1463 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1465 dnl Translate the various configuration directories and other basic
1466 dnl information into substitutions that will end up in Makefile.config.in
1467 dnl that these configured values can be used by the makefiles
1468 if test "${prefix}" = "NONE" ; then
1471 eval LLVM_PREFIX="${prefix}";
1472 eval LLVM_BINDIR="${prefix}/bin";
1473 eval LLVM_LIBDIR="${prefix}/lib";
1474 eval LLVM_DATADIR="${prefix}/share/llvm";
1475 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1476 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1477 eval LLVM_INCLUDEDIR="${prefix}/include";
1478 eval LLVM_INFODIR="${prefix}/info";
1479 eval LLVM_MANDIR="${prefix}/man";
1480 LLVM_CONFIGTIME=`date`
1481 AC_SUBST(LLVM_PREFIX)
1482 AC_SUBST(LLVM_BINDIR)
1483 AC_SUBST(LLVM_LIBDIR)
1484 AC_SUBST(LLVM_DATADIR)
1485 AC_SUBST(LLVM_DOCSDIR)
1486 AC_SUBST(LLVM_ETCDIR)
1487 AC_SUBST(LLVM_INCLUDEDIR)
1488 AC_SUBST(LLVM_INFODIR)
1489 AC_SUBST(LLVM_MANDIR)
1490 AC_SUBST(LLVM_CONFIGTIME)
1492 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1493 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1494 LLVM_CONFIGTIME="(timestamp not enabled)"
1497 dnl Place the various directories into the config.h file as #defines so that we
1498 dnl can know about the installation paths within LLVM.
1499 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1500 [Installation prefix directory])
1501 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1502 [Installation directory for binary executables])
1503 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1504 [Installation directory for libraries])
1505 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1506 [Installation directory for data files])
1507 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1508 [Installation directory for documentation])
1509 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1510 [Installation directory for config files])
1511 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1512 [Installation directory for include files])
1513 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1514 [Installation directory for .info files])
1515 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1516 [Installation directory for man pages])
1517 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1518 [Time at which LLVM was configured])
1519 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1520 [Target triple LLVM will generate code for by default])
1522 dnl Determine which bindings to build.
1523 if test "$BINDINGS_TO_BUILD" = auto ; then
1524 BINDINGS_TO_BUILD=""
1525 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1526 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1529 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1531 dnl This isn't really configurey, but it avoids having to repeat the list in
1533 AC_SUBST(ALL_BINDINGS,ocaml)
1535 dnl Do any work necessary to ensure that bindings have what they need.
1536 binding_prereqs_failed=0
1537 for a_binding in $BINDINGS_TO_BUILD ; do
1538 case "$a_binding" in
1540 if test "x$OCAMLC" = x ; then
1541 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1542 binding_prereqs_failed=1
1544 if test "x$OCAMLDEP" = x ; then
1545 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1546 binding_prereqs_failed=1
1548 if test "x$OCAMLOPT" = x ; then
1549 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1550 dnl ocamlopt is optional!
1552 if test "x$with_ocaml_libdir" != xauto ; then
1553 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1555 ocaml_stdlib="`"$OCAMLC" -where`"
1556 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1558 # ocaml stdlib is beneath our prefix; use stdlib
1559 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1561 # ocaml stdlib is outside our prefix; use libdir/ocaml
1562 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1568 if test "$binding_prereqs_failed" = 1 ; then
1569 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1572 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1573 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1575 dnl Determine linker rpath flag
1576 if test "$llvm_cv_link_use_r" = "yes" ; then
1583 dnl Determine linker rdynamic flag
1584 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1585 RDYNAMIC="-Wl,-export-dynamic"
1591 dnl===-----------------------------------------------------------------------===
1593 dnl=== SECTION 10: Specify the output files and generate it
1595 dnl===-----------------------------------------------------------------------===
1597 dnl Configure header files
1598 dnl WARNING: dnl If you add or remove any of the following config headers, then
1599 dnl you MUST also update Makefile so that the variable FilesToConfig
1600 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1601 dnl files can be updated automatically when their *.in sources change.
1602 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1603 AH_TOP([#ifndef CONFIG_H
1607 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1608 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1609 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1610 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1611 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1613 dnl Configure the makefile's configuration data
1614 AC_CONFIG_FILES([Makefile.config])
1616 dnl Configure the RPM spec file for LLVM
1617 AC_CONFIG_FILES([llvm.spec])
1619 dnl Configure doxygen's configuration file
1620 AC_CONFIG_FILES([docs/doxygen.cfg])
1622 dnl Configure clang, if present
1623 if test "${clang_src_root}" = ""; then
1624 clang_src_root="$srcdir/tools/clang"
1626 if test -f ${clang_src_root}/README.txt; then
1627 dnl Use variables to stay under 80 columns.
1628 configh="include/clang/Config/config.h"
1629 doxy="docs/doxygen.cfg"
1630 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1631 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1634 dnl OCaml findlib META file
1635 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1637 dnl Do special configuration of Makefiles
1638 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1639 AC_CONFIG_MAKEFILE(Makefile)
1640 AC_CONFIG_MAKEFILE(Makefile.common)
1641 AC_CONFIG_MAKEFILE(examples/Makefile)
1642 AC_CONFIG_MAKEFILE(lib/Makefile)
1643 AC_CONFIG_MAKEFILE(runtime/Makefile)
1644 AC_CONFIG_MAKEFILE(test/Makefile)
1645 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1646 AC_CONFIG_MAKEFILE(unittests/Makefile)
1647 AC_CONFIG_MAKEFILE(tools/Makefile)
1648 AC_CONFIG_MAKEFILE(utils/Makefile)
1649 AC_CONFIG_MAKEFILE(projects/Makefile)
1650 AC_CONFIG_MAKEFILE(bindings/Makefile)
1651 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1653 dnl Finally, crank out the output