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-expensive-checks : check whether they want to turn on expensive debug checks:
506 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
507 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
508 if test ${enableval} = "yes" ; then
509 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
510 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
512 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
513 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
516 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
517 AC_ARG_ENABLE(debug-runtime,
518 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
519 if test ${enableval} = "no" ; then
520 AC_SUBST(DEBUG_RUNTIME,[[]])
522 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
525 dnl --enable-debug-symbols : should even optimized compiler libraries
526 dnl have debug symbols?
527 AC_ARG_ENABLE(debug-symbols,
528 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)
529 if test ${enableval} = "no" ; then
530 AC_SUBST(DEBUG_SYMBOLS,[[]])
532 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
535 dnl --enable-jit: check whether they want to enable the jit
537 AS_HELP_STRING(--enable-jit,
538 [Enable Just In Time Compiling (default is YES)]),,
540 if test ${enableval} = "no"
544 case "$llvm_cv_target_arch" in
545 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
546 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
547 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
548 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
549 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
550 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
551 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
552 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
553 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
554 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
555 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
556 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
560 dnl Allow enablement of building and installing docs
562 AS_HELP_STRING([--enable-docs],
563 [Build documents (default is YES)]),,
566 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
567 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
568 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
569 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
572 dnl Allow enablement of doxygen generated documentation
573 AC_ARG_ENABLE(doxygen,
574 AS_HELP_STRING([--enable-doxygen],
575 [Build doxygen documentation (default is NO)]),,
578 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
579 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
580 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
581 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
584 dnl Allow disablement of threads
585 AC_ARG_ENABLE(threads,
586 AS_HELP_STRING([--enable-threads],
587 [Use threads if available (default is YES)]),,
590 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
591 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
592 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
593 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
595 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
596 [Define if threads enabled])
598 dnl Allow disablement of pthread.h
599 AC_ARG_ENABLE(pthreads,
600 AS_HELP_STRING([--enable-pthreads],
601 [Use pthreads if available (default is YES)]),,
604 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
605 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
606 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
607 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
610 dnl Allow building without position independent code
612 AS_HELP_STRING([--enable-pic],
613 [Build LLVM with Position Independent Code (default is YES)]),,
616 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
617 no) AC_SUBST(ENABLE_PIC,[0]) ;;
618 default) AC_SUBST(ENABLE_PIC,[1]) ;;
619 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
621 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
622 [Define if position independent code is enabled])
624 dnl Allow building a shared library and linking tools against it.
625 AC_ARG_ENABLE(shared,
626 AS_HELP_STRING([--enable-shared],
627 [Build a shared library and link tools against it (default is NO)]),,
630 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
631 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
632 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
633 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
636 dnl Allow libstdc++ is embedded in LLVM.dll.
637 AC_ARG_ENABLE(embed-stdcxx,
638 AS_HELP_STRING([--enable-embed-stdcxx],
639 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
642 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
643 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
644 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
645 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
648 dnl Enable embedding timestamp information into build.
649 AC_ARG_ENABLE(timestamps,
650 AS_HELP_STRING([--enable-timestamps],
651 [Enable embedding timestamp information in build (default is YES)]),,
654 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
655 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
656 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
657 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
659 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
660 [Define if timestamp information (e.g., __DATE__) is allowed])
662 dnl Allow specific targets to be specified for building (or not)
664 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
665 [Build specific host targets: all or target1,target2,... Valid targets are:
666 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
667 xcore, msp430, nvptx, and cpp (default=all)]),,
669 if test "$enableval" = host-only ; then
673 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;;
674 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
676 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
677 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
678 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
679 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
680 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
681 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
682 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
683 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
684 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
685 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
686 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
687 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
688 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
689 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
690 host) case "$llvm_cv_target_arch" in
691 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
692 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
693 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
694 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
695 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
696 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
697 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
698 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
699 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
700 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
701 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
702 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
703 *) AC_MSG_ERROR([Can not set target to build]) ;;
705 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
710 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
712 dnl Determine whether we are building LLVM support for the native architecture.
713 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
714 for a_target in $TARGETS_TO_BUILD; do
715 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
716 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
717 [LLVM architecture name for the native architecture, if available])
718 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
719 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
720 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
721 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
722 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
723 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
725 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
726 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
728 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
729 [LLVM name for the native Target init function, if available])
730 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
731 [LLVM name for the native TargetInfo init function, if available])
732 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
733 [LLVM name for the native target MC init function, if available])
734 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
735 [LLVM name for the native AsmPrinter init function, if available])
736 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
737 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
738 [LLVM name for the native AsmParser init function, if available])
740 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
741 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
742 [LLVM name for the native Disassembler init function, if available])
747 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
748 dnl target feature def files.
750 LLVM_ENUM_ASM_PRINTERS=""
751 LLVM_ENUM_ASM_PARSERS=""
752 LLVM_ENUM_DISASSEMBLERS=""
753 for target_to_build in $TARGETS_TO_BUILD; do
754 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
755 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
756 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
758 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
759 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
761 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
762 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
765 AC_SUBST(LLVM_ENUM_TARGETS)
766 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
767 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
768 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
770 dnl Override the option to use for optimized builds.
771 AC_ARG_WITH(optimize-option,
772 AS_HELP_STRING([--with-optimize-option],
773 [Select the compiler options to use for optimized builds]),,
775 AC_MSG_CHECKING([optimization flags])
778 case "$llvm_cv_os_type" in
779 FreeBSD) optimize_option=-O2 ;;
780 MingW) optimize_option=-O2 ;;
781 *) optimize_option=-O3 ;;
783 *) optimize_option="$withval" ;;
785 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
786 AC_MSG_RESULT([$optimize_option])
788 dnl Specify extra build options
789 AC_ARG_WITH(extra-options,
790 AS_HELP_STRING([--with-extra-options],
791 [Specify additional options to compile LLVM with]),,
794 default) EXTRA_OPTIONS= ;;
795 *) EXTRA_OPTIONS=$withval ;;
797 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
799 dnl Specify extra linker build options
800 AC_ARG_WITH(extra-ld-options,
801 AS_HELP_STRING([--with-extra-ld-options],
802 [Specify additional options to link LLVM with]),,
805 default) EXTRA_LD_OPTIONS= ;;
806 *) EXTRA_LD_OPTIONS=$withval ;;
808 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
810 dnl Allow specific bindings to be specified for building (or not)
811 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
812 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
816 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
817 all ) BINDINGS_TO_BUILD="ocaml" ;;
818 none | no) BINDINGS_TO_BUILD="" ;;
819 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
821 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
822 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
828 dnl Allow the ocaml libdir to be overridden. This could go in a configure
829 dnl script for bindings/ocaml/configure, except that its auto value depends on
830 dnl OCAMLC, which is found here to support tests.
831 AC_ARG_WITH([ocaml-libdir],
832 [AS_HELP_STRING([--with-ocaml-libdir],
833 [Specify install location for ocaml bindings (default is stdlib)])],
837 auto) with_ocaml_libdir="$withval" ;;
838 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
839 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
842 AC_ARG_WITH(clang-srcdir,
843 AS_HELP_STRING([--with-clang-srcdir],
844 [Directory to the out-of-tree Clang source]),,
847 -) clang_src_root="" ;;
848 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
849 *) clang_src_root="$ac_pwd/$withval" ;;
851 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
853 AC_ARG_WITH(clang-resource-dir,
854 AS_HELP_STRING([--with-clang-resource-dir],
855 [Relative directory from the Clang binary for resource files]),,
857 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
858 [Relative directory for resource files])
860 AC_ARG_WITH(c-include-dirs,
861 AS_HELP_STRING([--with-c-include-dirs],
862 [Colon separated list of directories clang will search for headers]),,
864 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
865 [Directories clang will search for headers])
867 # Clang normally uses the system c++ headers and libraries. With this option,
868 # clang will use the ones provided by a gcc installation instead. This option should
869 # be passed the same value that was used with --prefix when configuring gcc.
870 AC_ARG_WITH(gcc-toolchain,
871 AS_HELP_STRING([--with-gcc-toolchain],
872 [Directory where gcc is installed.]),,
874 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
875 [Directory where gcc is installed.])
877 AC_ARG_WITH(default-sysroot,
878 AS_HELP_STRING([--with-default-sysroot],
879 [Add --sysroot=<path> to all compiler invocations.]),,
881 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
882 [Default <path> to all compiler invocations for --sysroot=<path>.])
884 dnl Allow linking of LLVM with GPLv3 binutils code.
885 AC_ARG_WITH(binutils-include,
886 AS_HELP_STRING([--with-binutils-include],
887 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
890 default) WITH_BINUTILS_INCDIR=default ;;
891 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
892 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
894 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
895 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
896 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
897 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
898 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
902 dnl Specify the URL where bug reports should be submitted.
903 AC_ARG_WITH(bug-report-url,
904 AS_HELP_STRING([--with-bug-report-url],
905 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
906 withval="http://llvm.org/bugs/")
907 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
910 dnl --enable-libffi : check whether the user wants to turn off libffi:
911 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
912 --enable-libffi,[Check for the presence of libffi (default is NO)]),
913 [case "$enableval" in
914 yes) llvm_cv_enable_libffi="yes" ;;
915 no) llvm_cv_enable_libffi="no" ;;
916 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
918 llvm_cv_enable_libffi=no)
920 AC_ARG_WITH(internal-prefix,
921 AS_HELP_STRING([--with-internal-prefix],
922 [Installation directory for internal files]),,
924 AC_SUBST(INTERNAL_PREFIX,[$withval])
926 dnl===-----------------------------------------------------------------------===
928 dnl=== SECTION 4: Check for programs we need and that they are the right version
930 dnl===-----------------------------------------------------------------------===
935 dnl Check for the tools that the makefiles require
938 AC_PATH_PROG(CMP, [cmp], [cmp])
939 AC_PATH_PROG(CP, [cp], [cp])
940 AC_PATH_PROG(DATE, [date], [date])
941 AC_PATH_PROG(FIND, [find], [find])
942 AC_PATH_PROG(GREP, [grep], [grep])
943 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
944 AC_PATH_PROG(MV, [mv], [mv])
946 AC_CHECK_TOOL(AR, ar, false)
947 AC_PATH_PROG(RM, [rm], [rm])
948 AC_PATH_PROG(SED, [sed], [sed])
949 AC_PATH_PROG(TAR, [tar], [gtar])
950 AC_PATH_PROG(BINPWD,[pwd], [pwd])
952 dnl Looking for misc. graph plotting software
953 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
954 if test "$GRAPHVIZ" != "echo Graphviz" ; then
955 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
956 dnl If we're targeting for mingw we should emit windows paths, not msys
957 if test "$llvm_cv_os_type" = "MingW" ; then
958 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
960 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
961 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
963 AC_PATH_PROG(DOT, [dot], [echo dot])
964 if test "$DOT" != "echo dot" ; then
965 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
966 dnl If we're targeting for mingw we should emit windows paths, not msys
967 if test "$llvm_cv_os_type" = "MingW" ; then
968 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
970 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
971 [Define to path to dot program if found or 'echo dot' otherwise])
973 AC_PATH_PROG(FDP, [fdp], [echo fdp])
974 if test "$FDP" != "echo fdp" ; then
975 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
976 dnl If we're targeting for mingw we should emit windows paths, not msys
977 if test "$llvm_cv_os_type" = "MingW" ; then
978 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
980 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
981 [Define to path to fdp program if found or 'echo fdp' otherwise])
983 AC_PATH_PROG(NEATO, [neato], [echo neato])
984 if test "$NEATO" != "echo neato" ; then
985 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
986 dnl If we're targeting for mingw we should emit windows paths, not msys
987 if test "$llvm_cv_os_type" = "MingW" ; then
988 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
990 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
991 [Define to path to neato program if found or 'echo neato' otherwise])
993 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
994 if test "$TWOPI" != "echo twopi" ; then
995 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
996 dnl If we're targeting for mingw we should emit windows paths, not msys
997 if test "$llvm_cv_os_type" = "MingW" ; then
998 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1000 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1001 [Define to path to twopi program if found or 'echo twopi' otherwise])
1003 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1004 if test "$CIRCO" != "echo circo" ; then
1005 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1006 dnl If we're targeting for mingw we should emit windows paths, not msys
1007 if test "$llvm_cv_os_type" = "MingW" ; then
1008 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1010 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1011 [Define to path to circo program if found or 'echo circo' otherwise])
1013 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1014 if test "$GV" != "echo gv" ; then
1015 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1016 dnl If we're targeting for mingw we should emit windows paths, not msys
1017 if test "$llvm_cv_os_type" = "MingW" ; then
1018 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1020 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1021 [Define to path to gv program if found or 'echo gv' otherwise])
1023 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1024 if test "$DOTTY" != "echo dotty" ; then
1025 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1026 dnl If we're targeting for mingw we should emit windows paths, not msys
1027 if test "$llvm_cv_os_type" = "MingW" ; then
1028 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1030 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1031 [Define to path to dotty program if found or 'echo dotty' otherwise])
1033 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1034 if test "$XDOT_PY" != "echo xdot.py" ; then
1035 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1036 dnl If we're targeting for mingw we should emit windows paths, not msys
1037 if test "$llvm_cv_os_type" = "MingW" ; then
1038 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1040 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1041 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1044 dnl Find the install program
1046 dnl Prepend src dir to install path dir if it's a relative path
1047 dnl This is a hack for installs that take place in something other
1048 dnl than the top level.
1050 [[\\/$]]* | ?:[[\\/]]* ) ;;
1051 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1054 dnl Checks for documentation and testing tools that we can do without. If these
1055 dnl are not found then they are set to "true" which always succeeds but does
1056 dnl nothing. This just lets the build output show that we could have done
1057 dnl something if the tool was available.
1058 AC_PATH_PROG(BZIP2, [bzip2])
1059 AC_PATH_PROG(CAT, [cat])
1060 AC_PATH_PROG(DOXYGEN, [doxygen])
1061 AC_PATH_PROG(GROFF, [groff])
1062 AC_PATH_PROG(GZIPBIN, [gzip])
1063 AC_PATH_PROG(PDFROFF, [pdfroff])
1064 AC_PATH_PROG(ZIP, [zip])
1065 AC_PATH_PROGS(OCAMLC, [ocamlc])
1066 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1067 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1068 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1069 AC_PATH_PROGS(GAS, [gas as])
1071 dnl Get the version of the linker in use.
1074 dnl Determine whether the linker supports the -R option.
1077 dnl Determine whether the linker supports the -export-dynamic option.
1078 AC_LINK_EXPORT_DYNAMIC
1080 dnl Determine whether the linker supports the --version-script option.
1081 AC_LINK_VERSION_SCRIPT
1083 dnl Check for libtool and the library that has dlopen function (which must come
1084 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1089 AC_MSG_CHECKING([tool compatibility])
1091 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1092 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1093 dnl to support those options.
1094 dnl "icc" emits gcc signatures
1095 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1107 if test "$GCC" != "yes" && test "$ICC" != "yes"
1109 AC_MSG_ERROR([gcc|icc required but not found])
1112 dnl Ensure that compilation tools are compatible with GCC extensions
1113 if test "$GXX" != "yes" && test "$IXX" != "yes"
1115 AC_MSG_ERROR([g++|clang++|icc required but not found])
1118 dnl Verify that GCC is version 3.0 or higher
1119 if test "$GCC" = "yes"
1121 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1122 #error Unsupported GCC version
1124 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1127 dnl Check for GNU Make. We use its extensions, so don't build without it
1128 if test -z "$llvm_cv_gnu_make_command"
1130 AC_MSG_ERROR([GNU Make required but not found])
1133 dnl Tool compatibility is okay if we make it here.
1136 dnl Check optional compiler flags.
1137 AC_MSG_CHECKING([optional compiler flags])
1138 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1139 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1140 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1141 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1143 dnl===-----------------------------------------------------------------------===
1145 dnl=== SECTION 5: Check for libraries
1147 dnl===-----------------------------------------------------------------------===
1150 if test "$llvm_cv_os_type" = "MingW" ; then
1151 AC_CHECK_LIB(imagehlp, main)
1152 AC_CHECK_LIB(psapi, main)
1155 dnl dlopen() is required for plugin support.
1156 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1157 [Define if dlopen() is available on this platform.]),
1158 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1160 dnl libffi is optional; used to call external functions from the interpreter
1161 if test "$llvm_cv_enable_libffi" = "yes" ; then
1162 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1163 [Define if libffi is available on this platform.]),
1164 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1167 dnl mallinfo is optional; the code can compile (minus features) without it
1168 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1169 [Define if mallinfo() is available on this platform.]))
1171 dnl pthread locking functions are optional - but llvm will not be thread-safe
1173 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1174 AC_CHECK_LIB(pthread, pthread_mutex_init)
1175 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1176 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1177 [Have pthread_mutex_lock]))
1178 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1179 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1180 [Have pthread_rwlock_init]))
1181 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1182 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1183 [Have pthread_getspecific]))
1186 dnl Allow extra x86-disassembler library
1188 AS_HELP_STRING([--with-udis86=<path>],
1189 [Use udis86 external x86 disassembler library]),
1191 AC_SUBST(USE_UDIS86, [1])
1194 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1196 AC_CHECK_LIB(udis86, ud_init, [], [
1197 echo "Error! You need to have libudis86 around."
1201 AC_SUBST(USE_UDIS86, [0]))
1202 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1203 [Define if use udis86 library])
1205 dnl Allow OProfile support for JIT output.
1206 AC_ARG_WITH(oprofile,
1207 AS_HELP_STRING([--with-oprofile=<prefix>],
1208 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1210 AC_SUBST(USE_OPROFILE, [1])
1212 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1214 AC_SUBST(USE_OPROFILE, [0]) ;;
1215 *) llvm_cv_oppath="${withval}/lib/oprofile"
1216 CPPFLAGS="-I${withval}/include";;
1218 case $llvm_cv_os_type in
1220 if test -n "$llvm_cv_oppath" ; then
1221 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1222 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1223 dnl libbfd is not included properly in libopagent in some Debian
1224 dnl versions. If libbfd isn't found at all, we assume opagent works
1226 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1227 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1228 echo "Error! You need to have libopagent around."
1231 AC_CHECK_HEADER([opagent.h], [], [
1232 echo "Error! You need to have opagent.h around."
1237 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1241 AC_SUBST(USE_OPROFILE, [0])
1243 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1244 [Define if we have the oprofile JIT-support library])
1246 dnl Enable support for Intel JIT Events API.
1247 AC_ARG_WITH(intel-jitevents,
1248 AS_HELP_STRING([--with-intel-jitevents=<vtune-amplifier-dir>],
1249 [Specify location of run-time support library for Intel JIT API (default=/opt/intel/vtune_amplifier_xe_2011)]),
1251 case $llvm_cv_os_type in
1252 Linux|Win32|Cygwin|MingW) ;;
1255 Intel JIT API support is available on Linux and Windows only."]) ;;
1258 AC_SUBST(USE_INTEL_JITEVENTS, [1])
1259 case "$llvm_cv_target_arch" in
1260 x86) llvm_intel_jitevents_archdir="lib32";;
1261 x86_64) llvm_intel_jitevents_archdir="lib64";;
1262 *) echo "Target architecture $llvm_cv_target_arch does not support Intel JIT Events API"
1265 INTEL_JITEVENTS_INCDIR="/opt/intel/vtune_amplifier_xe_2011/include"
1266 INTEL_JITEVENTS_LIBDIR="/opt/intel/vtune_amplifier_xe_2011/$llvm_intel_jitevents_archdir"
1268 /* | [[A-Za-z]]:[[\\/]]*) INTEL_JITEVENTS_INCDIR=$withval/include
1269 INTEL_JITEVENTS_LIBDIR=$withval/$llvm_intel_jitevents_archdir ;;
1273 AC_SUBST(INTEL_JITEVENTS_INCDIR)
1274 AC_SUBST(INTEL_JITEVENTS_LIBDIR)
1276 LIBS="$LIBS -L${INTEL_JITEVENTS_LIBDIR}"
1277 CPPFLAGS="$CPPFLAGS -I$INTEL_JITEVENTS_INCDIR"
1279 AC_SEARCH_LIBS(iJIT_IsProfilingActive, jitprofiling, [], [
1280 echo "Error! Cannot find libjitprofiling.a. Please check path specified in flag --with-intel-jitevents"
1283 AC_CHECK_HEADER([jitprofiling.h], [], [
1284 echo "Error! Cannot find jitprofiling.h. Please check path specified in flag --with-intel-jitevents"
1290 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1292 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1293 [Define if we have the Intel JIT API runtime support library])
1295 dnl Check for libxml2
1296 dnl Right now we're just checking for the existence, we could also check for a
1297 dnl particular version via --version on xml2-config
1298 AC_CHECK_PROGS(XML2CONFIG, xml2-config)
1300 AC_MSG_CHECKING(for libxml2 includes)
1301 if test "x$XML2CONFIG" = "x"; then
1302 AC_MSG_RESULT(xml2-config not found)
1304 LIBXML2_INC=`$XML2CONFIG --cflags`
1305 AC_MSG_RESULT($LIBXML2_INC)
1306 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2])
1307 LIBXML2_LIBS="-lxml2"])
1309 AC_SUBST(LIBXML2_LIBS)
1310 AC_SUBST(LIBXML2_INC)
1312 dnl===-----------------------------------------------------------------------===
1314 dnl=== SECTION 6: Check for header files
1316 dnl===-----------------------------------------------------------------------===
1318 dnl First, use autoconf provided macros for specific headers that we need
1319 dnl We don't check for ancient stuff or things that are guaranteed to be there
1320 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1321 dnl Generally we're looking for POSIX headers.
1323 AC_HEADER_MMAP_ANONYMOUS
1328 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1329 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1330 AC_CHECK_HEADERS([utime.h windows.h])
1331 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1332 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1333 AC_CHECK_HEADERS([valgrind/valgrind.h])
1334 AC_CHECK_HEADERS([fenv.h])
1335 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1336 AC_CHECK_HEADERS(pthread.h,
1337 AC_SUBST(HAVE_PTHREAD, 1),
1338 AC_SUBST(HAVE_PTHREAD, 0))
1340 AC_SUBST(HAVE_PTHREAD, 0)
1343 dnl Try to find ffi.h.
1344 if test "$llvm_cv_enable_libffi" = "yes" ; then
1345 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1348 dnl Try to find Darwin specific crash reporting libraries.
1349 AC_CHECK_HEADERS([CrashReporterClient.h])
1351 dnl Try to find Darwin specific crash reporting global.
1352 AC_MSG_CHECKING([__crashreporter_info__])
1355 [[extern const char *__crashreporter_info__;
1357 __crashreporter_info__ = "test";
1362 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1364 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1365 Define if __crashreporter_info__ exists.))
1367 dnl===-----------------------------------------------------------------------===
1369 dnl=== SECTION 7: Check for types and structures
1371 dnl===-----------------------------------------------------------------------===
1376 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1378 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1379 AC_CHECK_TYPES([uint64_t],,
1380 AC_CHECK_TYPES([u_int64_t],,
1381 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1383 dnl===-----------------------------------------------------------------------===
1385 dnl=== SECTION 8: Check for specific functions needed
1387 dnl===-----------------------------------------------------------------------===
1389 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1390 AC_CHECK_FUNCS([powf fmodf strtof round ])
1391 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1392 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1393 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1394 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1395 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1396 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1400 dnl Check the declaration "Secure API" on Windows environments.
1401 AC_CHECK_DECLS([strerror_s])
1403 dnl Check symbols in libgcc.a for JIT on Mingw.
1404 if test "$llvm_cv_os_type" = "MingW" ; then
1405 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1406 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1407 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1408 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1410 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1411 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1412 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1413 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1414 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1415 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1416 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1417 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1418 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1419 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1421 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1422 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1425 dnl Check Win32 API EnumerateLoadedModules.
1426 if test "$llvm_cv_os_type" = "MingW" ; then
1427 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1428 AC_COMPILE_IFELSE([[#include <windows.h>
1429 #include <imagehlp.h>
1430 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1431 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1433 AC_MSG_RESULT([yes])
1434 llvm_cv_win32_elmcb_pcstr="PCSTR"
1438 llvm_cv_win32_elmcb_pcstr="PSTR"
1440 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1443 dnl Check for variations in the Standard C++ library and STL. These macros are
1444 dnl provided by LLVM in the autoconf/m4 directory.
1448 dnl Check for mmap support.We also need to know if /dev/zero is required to
1449 dnl be opened for allocating RWX memory.
1450 dnl Make sure we aren't attempting to configure for an unknown system
1451 if test "$llvm_cv_platform_type" = "Unix" ; then
1454 AC_NEED_DEV_ZERO_FOR_MMAP
1456 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1458 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1460 if test "$ac_cv_func_mmap_file" = "no"
1462 AC_MSG_WARN([mmap() of files required but not found])
1466 dnl atomic builtins are required for threading support.
1467 AC_MSG_CHECKING(for GCC atomic builtins)
1468 dnl Since we'll be using these atomic builtins in C++ files we should test
1469 dnl the C++ compiler.
1474 volatile unsigned long val = 1;
1475 __sync_synchronize();
1476 __sync_val_compare_and_swap(&val, 1, 0);
1477 __sync_add_and_fetch(&val, 1);
1478 __sync_sub_and_fetch(&val, 1);
1484 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1486 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1487 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1489 dnl===-----------------------------------------------------------------------===
1491 dnl=== SECTION 9: Additional checks, variables, etc.
1493 dnl===-----------------------------------------------------------------------===
1495 dnl Handle 32-bit linux systems running a 64-bit kernel.
1496 dnl This has to come after section 4 because it invokes the compiler.
1497 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1499 if test "$llvm_cv_linux_mixed" = "yes"; then
1500 llvm_cv_target_arch="x86"
1505 dnl Check whether __dso_handle is present
1506 AC_CHECK_FUNCS([__dso_handle])
1508 dnl Propagate the shared library extension that the libltdl checks did to
1509 dnl the Makefiles so we can use it there too
1510 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1512 dnl Propagate the run-time library path variable that the libltdl
1513 dnl checks found to the Makefiles so we can use it there too
1514 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1516 dnl Translate the various configuration directories and other basic
1517 dnl information into substitutions that will end up in Makefile.config.in
1518 dnl that these configured values can be used by the makefiles
1519 if test "${prefix}" = "NONE" ; then
1522 eval LLVM_PREFIX="${prefix}";
1523 eval LLVM_BINDIR="${prefix}/bin";
1524 eval LLVM_LIBDIR="${prefix}/lib";
1525 eval LLVM_DATADIR="${prefix}/share/llvm";
1526 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1527 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1528 eval LLVM_INCLUDEDIR="${prefix}/include";
1529 eval LLVM_INFODIR="${prefix}/info";
1530 eval LLVM_MANDIR="${prefix}/man";
1531 LLVM_CONFIGTIME=`date`
1532 AC_SUBST(LLVM_PREFIX)
1533 AC_SUBST(LLVM_BINDIR)
1534 AC_SUBST(LLVM_LIBDIR)
1535 AC_SUBST(LLVM_DATADIR)
1536 AC_SUBST(LLVM_DOCSDIR)
1537 AC_SUBST(LLVM_ETCDIR)
1538 AC_SUBST(LLVM_INCLUDEDIR)
1539 AC_SUBST(LLVM_INFODIR)
1540 AC_SUBST(LLVM_MANDIR)
1541 AC_SUBST(LLVM_CONFIGTIME)
1543 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1544 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1545 LLVM_CONFIGTIME="(timestamp not enabled)"
1548 dnl Place the various directories into the config.h file as #defines so that we
1549 dnl can know about the installation paths within LLVM.
1550 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1551 [Installation prefix directory])
1552 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1553 [Installation directory for binary executables])
1554 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1555 [Installation directory for libraries])
1556 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1557 [Installation directory for data files])
1558 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1559 [Installation directory for documentation])
1560 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1561 [Installation directory for config files])
1562 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1563 [Installation directory for include files])
1564 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1565 [Installation directory for .info files])
1566 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1567 [Installation directory for man pages])
1568 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1569 [Time at which LLVM was configured])
1570 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1571 [Host triple LLVM will be executed on])
1572 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1573 [Target triple LLVM will generate code for by default])
1575 dnl Determine which bindings to build.
1576 if test "$BINDINGS_TO_BUILD" = auto ; then
1577 BINDINGS_TO_BUILD=""
1578 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1579 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1582 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1584 dnl This isn't really configurey, but it avoids having to repeat the list in
1586 AC_SUBST(ALL_BINDINGS,ocaml)
1588 dnl Do any work necessary to ensure that bindings have what they need.
1589 binding_prereqs_failed=0
1590 for a_binding in $BINDINGS_TO_BUILD ; do
1591 case "$a_binding" in
1593 if test "x$OCAMLC" = x ; then
1594 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1595 binding_prereqs_failed=1
1597 if test "x$OCAMLDEP" = x ; then
1598 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1599 binding_prereqs_failed=1
1601 if test "x$OCAMLOPT" = x ; then
1602 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1603 dnl ocamlopt is optional!
1605 if test "x$with_ocaml_libdir" != xauto ; then
1606 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1608 ocaml_stdlib="`"$OCAMLC" -where`"
1609 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1611 # ocaml stdlib is beneath our prefix; use stdlib
1612 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1614 # ocaml stdlib is outside our prefix; use libdir/ocaml
1615 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1621 if test "$binding_prereqs_failed" = 1 ; then
1622 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1625 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1626 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1628 dnl Determine linker rpath flag
1629 if test "$llvm_cv_link_use_r" = "yes" ; then
1636 dnl Determine linker rdynamic flag
1637 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1638 RDYNAMIC="-Wl,-export-dynamic"
1644 dnl===-----------------------------------------------------------------------===
1646 dnl=== SECTION 10: Specify the output files and generate it
1648 dnl===-----------------------------------------------------------------------===
1650 dnl Configure header files
1651 dnl WARNING: dnl If you add or remove any of the following config headers, then
1652 dnl you MUST also update Makefile so that the variable FilesToConfig
1653 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1654 dnl files can be updated automatically when their *.in sources change.
1655 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1656 AH_TOP([#ifndef CONFIG_H
1660 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1661 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1662 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1663 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1664 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1666 dnl Configure the makefile's configuration data
1667 AC_CONFIG_FILES([Makefile.config])
1669 dnl Configure the RPM spec file for LLVM
1670 AC_CONFIG_FILES([llvm.spec])
1672 dnl Configure doxygen's configuration file
1673 AC_CONFIG_FILES([docs/doxygen.cfg])
1675 dnl Configure clang, if present
1676 if test "${clang_src_root}" = ""; then
1677 clang_src_root="$srcdir/tools/clang"
1679 if test -f ${clang_src_root}/README.txt; then
1680 dnl Use variables to stay under 80 columns.
1681 configh="include/clang/Config/config.h"
1682 doxy="docs/doxygen.cfg"
1683 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1684 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1687 dnl OCaml findlib META file
1688 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1690 dnl Do special configuration of Makefiles
1691 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1692 AC_CONFIG_MAKEFILE(Makefile)
1693 AC_CONFIG_MAKEFILE(Makefile.common)
1694 AC_CONFIG_MAKEFILE(examples/Makefile)
1695 AC_CONFIG_MAKEFILE(lib/Makefile)
1696 AC_CONFIG_MAKEFILE(runtime/Makefile)
1697 AC_CONFIG_MAKEFILE(test/Makefile)
1698 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1699 AC_CONFIG_MAKEFILE(unittests/Makefile)
1700 AC_CONFIG_MAKEFILE(tools/Makefile)
1701 AC_CONFIG_MAKEFILE(utils/Makefile)
1702 AC_CONFIG_MAKEFILE(projects/Makefile)
1703 AC_CONFIG_MAKEFILE(bindings/Makefile)
1704 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1706 dnl Finally, crank out the output