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],[3.1svn],[http://llvm.org/bugs/])
35 AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API])
36 AC_DEFINE([LLVM_VERSION_MINOR], [1], [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" ;;
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="SunOS" ;;
306 llvm_cv_target_os_type="AuroraUX" ;;
308 llvm_cv_target_os_type="Win32" ;;
310 llvm_cv_target_os_type="MingW" ;;
312 llvm_cv_target_os_type="Haiku" ;;
314 llvm_cv_target_os_type="RTEMS" ;;
316 llvm_cv_target_os_type="NativeClient" ;;
318 llvm_cv_target_os_type="Freestanding" ;;
320 llvm_cv_target_os_type="Unknown" ;;
323 dnl Make sure we aren't attempting to configure for an unknown system
324 if test "$llvm_cv_os_type" = "Unknown" ; then
325 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
328 dnl Set the "OS" Makefile variable based on the platform type so the
329 dnl makefile can configure itself to specific build hosts
330 AC_SUBST(OS,$llvm_cv_os_type)
331 AC_SUBST(HOST_OS,$llvm_cv_os_type)
332 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
334 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
335 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
336 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
338 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
339 dnl This is used by lib/Support to determine the basic kind of implementation
341 case $llvm_cv_platform_type in
343 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
344 AC_SUBST(LLVM_ON_UNIX,[1])
345 AC_SUBST(LLVM_ON_WIN32,[0])
348 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
349 AC_SUBST(LLVM_ON_UNIX,[0])
350 AC_SUBST(LLVM_ON_WIN32,[1])
354 dnl Determine what our target architecture is and configure accordingly.
355 dnl This will allow Makefiles to make a distinction between the hardware and
357 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
359 i?86-*) llvm_cv_target_arch="x86" ;;
360 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
361 sparc*-*) llvm_cv_target_arch="Sparc" ;;
362 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
363 arm*-*) llvm_cv_target_arch="ARM" ;;
364 mips-*) llvm_cv_target_arch="Mips" ;;
365 mipsel-*) llvm_cv_target_arch="Mips" ;;
366 xcore-*) llvm_cv_target_arch="XCore" ;;
367 msp430-*) llvm_cv_target_arch="MSP430" ;;
368 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
369 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
370 ptx-*) llvm_cv_target_arch="PTX" ;;
371 *) llvm_cv_target_arch="Unknown" ;;
374 if test "$llvm_cv_target_arch" = "Unknown" ; then
375 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
378 dnl Determine the LLVM native architecture for the target
379 case "$llvm_cv_target_arch" in
380 x86) LLVM_NATIVE_ARCH="X86" ;;
381 x86_64) LLVM_NATIVE_ARCH="X86" ;;
382 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
385 dnl Define a substitution, ARCH, for the target architecture
386 AC_SUBST(ARCH,$llvm_cv_target_arch)
388 dnl Check for the endianness of the target
389 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
391 dnl Check for build platform executable suffix if we're cross-compiling
392 if test "$cross_compiling" = yes; then
393 AC_SUBST(LLVM_CROSS_COMPILING, [1])
395 ac_build_prefix=${build_alias}-
396 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
397 if test -z "$BUILD_CXX"; then
398 AC_CHECK_PROG(BUILD_CXX, g++, g++)
399 if test -z "$BUILD_CXX"; then
400 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
404 AC_SUBST(LLVM_CROSS_COMPILING, [0])
407 dnl Check to see if there's a .svn or .git directory indicating that this
408 dnl build is being done from a checkout. This sets up several defaults for
409 dnl the command line switches. When we build with a checkout directory,
410 dnl we get a debug with assertions turned on. Without, we assume a source
411 dnl release and we get an optimized build without assertions.
412 dnl See --enable-optimized and --enable-assertions below
413 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
416 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
422 dnl===-----------------------------------------------------------------------===
424 dnl=== SECTION 3: Command line arguments for the configure script.
426 dnl===-----------------------------------------------------------------------===
428 dnl --enable-libcpp : check whether or not to use libc++ on the command line
429 AC_ARG_ENABLE(libcpp,
430 AS_HELP_STRING([--enable-libcpp],
431 [Use libc++ if available (default is NO)]),,
434 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
435 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
436 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
437 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
440 dnl --enable-optimized : check whether they want to do an optimized build:
441 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
442 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
443 if test ${enableval} = "no" ; then
444 AC_SUBST(ENABLE_OPTIMIZED,[[]])
446 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
449 dnl --enable-profiling : check whether they want to do a profile build:
450 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
451 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
452 if test ${enableval} = "no" ; then
453 AC_SUBST(ENABLE_PROFILING,[[]])
455 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
458 dnl --enable-assertions : check whether they want to turn on assertions or not:
459 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
460 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
461 if test ${enableval} = "yes" ; then
462 AC_SUBST(DISABLE_ASSERTIONS,[[]])
464 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
467 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
468 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
469 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
470 if test ${enableval} = "yes" ; then
471 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
472 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
474 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
475 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
478 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
479 AC_ARG_ENABLE(debug-runtime,
480 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
481 if test ${enableval} = "no" ; then
482 AC_SUBST(DEBUG_RUNTIME,[[]])
484 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
487 dnl --enable-debug-symbols : should even optimized compiler libraries
488 dnl have debug symbols?
489 AC_ARG_ENABLE(debug-symbols,
490 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)
491 if test ${enableval} = "no" ; then
492 AC_SUBST(DEBUG_SYMBOLS,[[]])
494 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
497 dnl --enable-jit: check whether they want to enable the jit
499 AS_HELP_STRING(--enable-jit,
500 [Enable Just In Time Compiling (default is YES)]),,
502 if test ${enableval} = "no"
506 case "$llvm_cv_target_arch" in
507 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
508 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
509 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
510 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
511 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
512 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
513 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
514 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
515 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
516 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
517 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
518 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
522 dnl Allow enablement of building and installing docs
524 AS_HELP_STRING([--enable-docs],
525 [Build documents (default is YES)]),,
528 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
529 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
530 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
531 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
534 dnl Allow enablement of doxygen generated documentation
535 AC_ARG_ENABLE(doxygen,
536 AS_HELP_STRING([--enable-doxygen],
537 [Build doxygen documentation (default is NO)]),,
540 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
541 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
542 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
543 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
546 dnl Allow disablement of threads
547 AC_ARG_ENABLE(threads,
548 AS_HELP_STRING([--enable-threads],
549 [Use threads if available (default is YES)]),,
552 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
553 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
554 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
555 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
557 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
558 [Define if threads enabled])
560 dnl Allow disablement of pthread.h
561 AC_ARG_ENABLE(pthreads,
562 AS_HELP_STRING([--enable-pthreads],
563 [Use pthreads if available (default is YES)]),,
566 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
567 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
568 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
569 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
572 dnl Allow building without position independent code
574 AS_HELP_STRING([--enable-pic],
575 [Build LLVM with Position Independent Code (default is YES)]),,
578 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
579 no) AC_SUBST(ENABLE_PIC,[0]) ;;
580 default) AC_SUBST(ENABLE_PIC,[1]) ;;
581 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
583 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
584 [Define if position independent code is enabled])
586 dnl Allow building a shared library and linking tools against it.
587 AC_ARG_ENABLE(shared,
588 AS_HELP_STRING([--enable-shared],
589 [Build a shared library and link tools against it (default is NO)]),,
592 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
593 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
594 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
595 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
598 dnl Allow libstdc++ is embedded in LLVM.dll.
599 AC_ARG_ENABLE(embed-stdcxx,
600 AS_HELP_STRING([--enable-embed-stdcxx],
601 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
604 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
605 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
606 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
607 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
610 dnl Enable embedding timestamp information into build.
611 AC_ARG_ENABLE(timestamps,
612 AS_HELP_STRING([--enable-timestamps],
613 [Enable embedding timestamp information in build (default is YES)]),,
616 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
617 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
618 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
619 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
621 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
622 [Define if timestamp information (e.g., __DATE___) is allowed])
624 dnl Allow specific targets to be specified for building (or not)
626 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
627 [Build specific host targets: all or target1,target2,... Valid targets are:
628 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
629 xcore, msp430, ptx, cbe, and cpp (default=all)]),,
631 if test "$enableval" = host-only ; then
635 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CBackend CppBackend MBlaze PTX Hexagon" ;;
636 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
638 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
639 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
640 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
641 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
642 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
643 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
644 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
645 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
646 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
647 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
648 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
649 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
650 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
651 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
652 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
653 host) case "$llvm_cv_target_arch" in
654 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
655 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
656 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
657 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
658 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
659 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
660 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
661 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
662 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
663 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
664 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
665 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
666 *) AC_MSG_ERROR([Can not set target to build]) ;;
668 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
673 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
675 dnl Determine whether we are building LLVM support for the native architecture.
676 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
677 for a_target in $TARGETS_TO_BUILD; do
678 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
679 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
680 [LLVM architecture name for the native architecture, if available])
681 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
682 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
683 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
684 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
685 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
686 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
688 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
689 [LLVM name for the native Target init function, if available])
690 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
691 [LLVM name for the native TargetInfo init function, if available])
692 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
693 [LLVM name for the native target MC init function, if available])
694 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
695 [LLVM name for the native AsmPrinter init function, if available])
696 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
697 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
698 [LLVM name for the native AsmParser init function, if available])
703 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
704 dnl target feature def files.
706 LLVM_ENUM_ASM_PRINTERS=""
707 LLVM_ENUM_ASM_PARSERS=""
708 LLVM_ENUM_DISASSEMBLERS=""
709 for target_to_build in $TARGETS_TO_BUILD; do
710 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
711 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
712 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
714 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
715 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
717 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
718 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
721 AC_SUBST(LLVM_ENUM_TARGETS)
722 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
723 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
724 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
726 dnl Prevent the CBackend from using printf("%a") for floating point so older
727 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
728 dnl can still compile the CBE's output
729 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
730 [Enable C Backend output with hex floating point via %a (default is YES)]),,
733 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
734 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
735 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
736 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
738 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
739 [Define if CBE is enabled for printf %a output])
741 dnl Override the option to use for optimized builds.
742 AC_ARG_WITH(optimize-option,
743 AS_HELP_STRING([--with-optimize-option],
744 [Select the compiler options to use for optimized builds]),,
746 AC_MSG_CHECKING([optimization flags])
749 case "$llvm_cv_os_type" in
750 FreeBSD) optimize_option=-O2 ;;
751 MingW) optimize_option=-O2 ;;
752 *) optimize_option=-O3 ;;
754 *) optimize_option="$withval" ;;
756 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
757 AC_MSG_RESULT([$optimize_option])
759 dnl Specify extra build options
760 AC_ARG_WITH(extra-options,
761 AS_HELP_STRING([--with-extra-options],
762 [Specify additional options to compile LLVM with]),,
765 default) EXTRA_OPTIONS= ;;
766 *) EXTRA_OPTIONS=$withval ;;
768 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
770 dnl Specify extra linker build options
771 AC_ARG_WITH(extra-ld-options,
772 AS_HELP_STRING([--with-extra-ld-options],
773 [Specify additional options to link LLVM with]),,
776 default) EXTRA_LD_OPTIONS= ;;
777 *) EXTRA_LD_OPTIONS=$withval ;;
779 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
781 dnl Allow specific bindings to be specified for building (or not)
782 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
783 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
787 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
788 all ) BINDINGS_TO_BUILD="ocaml" ;;
789 none | no) BINDINGS_TO_BUILD="" ;;
790 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
792 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
793 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
799 dnl Allow the ocaml libdir to be overridden. This could go in a configure
800 dnl script for bindings/ocaml/configure, except that its auto value depends on
801 dnl OCAMLC, which is found here to support tests.
802 AC_ARG_WITH([ocaml-libdir],
803 [AS_HELP_STRING([--with-ocaml-libdir],
804 [Specify install location for ocaml bindings (default is stdlib)])],
808 auto) with_ocaml_libdir="$withval" ;;
809 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
810 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
813 AC_ARG_WITH(clang-srcdir,
814 AS_HELP_STRING([--with-clang-srcdir],
815 [Directory to the out-of-tree Clang source]),,
818 -) clang_src_root="" ;;
819 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
820 *) clang_src_root="$ac_pwd/$withval" ;;
822 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
824 AC_ARG_WITH(clang-resource-dir,
825 AS_HELP_STRING([--with-clang-resource-dir],
826 [Relative directory from the Clang binary for resource files]),,
828 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
829 [Relative directory for resource files])
831 AC_ARG_WITH(c-include-dirs,
832 AS_HELP_STRING([--with-c-include-dirs],
833 [Colon separated list of directories clang will search for headers]),,
835 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
836 [Directories clang will search for headers])
838 # Clang normally uses the system c++ headers and libraries. With this option,
839 # clang will use the ones provided by a gcc installation instead. This option should
840 # be passed the same value that was used with --prefix when configuring gcc.
841 AC_ARG_WITH(gcc-toolchain,
842 AS_HELP_STRING([--with-gcc-toolchain],
843 [Directory where gcc is installed.]),,
845 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
846 [Directory where gcc is installed.])
848 dnl Allow linking of LLVM with GPLv3 binutils code.
849 AC_ARG_WITH(binutils-include,
850 AS_HELP_STRING([--with-binutils-include],
851 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
854 default) WITH_BINUTILS_INCDIR=default ;;
855 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
856 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
858 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
859 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
860 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
861 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
862 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
866 dnl Specify the URL where bug reports should be submitted.
867 AC_ARG_WITH(bug-report-url,
868 AS_HELP_STRING([--with-bug-report-url],
869 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
870 withval="http://llvm.org/bugs/")
871 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
874 dnl --enable-libffi : check whether the user wants to turn off libffi:
875 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
876 --enable-libffi,[Check for the presence of libffi (default is NO)]),
877 [case "$enableval" in
878 yes) llvm_cv_enable_libffi="yes" ;;
879 no) llvm_cv_enable_libffi="no" ;;
880 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
882 llvm_cv_enable_libffi=no)
884 AC_ARG_WITH(internal-prefix,
885 AS_HELP_STRING([--with-internal-prefix],
886 [Installation directory for internal files]),,
888 AC_SUBST(INTERNAL_PREFIX,[$withval])
890 dnl===-----------------------------------------------------------------------===
892 dnl=== SECTION 4: Check for programs we need and that they are the right version
894 dnl===-----------------------------------------------------------------------===
899 dnl Check for the tools that the makefiles require
902 AC_PATH_PROG(CMP, [cmp], [cmp])
903 AC_PATH_PROG(CP, [cp], [cp])
904 AC_PATH_PROG(DATE, [date], [date])
905 AC_PATH_PROG(FIND, [find], [find])
906 AC_PATH_PROG(GREP, [grep], [grep])
907 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
908 AC_PATH_PROG(MV, [mv], [mv])
910 AC_CHECK_TOOL(AR, ar, false)
911 AC_PATH_PROG(RM, [rm], [rm])
912 AC_PATH_PROG(SED, [sed], [sed])
913 AC_PATH_PROG(TAR, [tar], [gtar])
914 AC_PATH_PROG(BINPWD,[pwd], [pwd])
916 dnl Looking for misc. graph plotting software
917 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
918 if test "$GRAPHVIZ" != "echo Graphviz" ; then
919 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
920 dnl If we're targeting for mingw we should emit windows paths, not msys
921 if test "$llvm_cv_os_type" = "MingW" ; then
922 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
924 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
925 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
927 AC_PATH_PROG(DOT, [dot], [echo dot])
928 if test "$DOT" != "echo dot" ; then
929 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
930 dnl If we're targeting for mingw we should emit windows paths, not msys
931 if test "$llvm_cv_os_type" = "MingW" ; then
932 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
934 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
935 [Define to path to dot program if found or 'echo dot' otherwise])
937 AC_PATH_PROG(FDP, [fdp], [echo fdp])
938 if test "$FDP" != "echo fdp" ; then
939 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
940 dnl If we're targeting for mingw we should emit windows paths, not msys
941 if test "$llvm_cv_os_type" = "MingW" ; then
942 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
944 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
945 [Define to path to fdp program if found or 'echo fdp' otherwise])
947 AC_PATH_PROG(NEATO, [neato], [echo neato])
948 if test "$NEATO" != "echo neato" ; then
949 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
950 dnl If we're targeting for mingw we should emit windows paths, not msys
951 if test "$llvm_cv_os_type" = "MingW" ; then
952 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
954 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
955 [Define to path to neato program if found or 'echo neato' otherwise])
957 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
958 if test "$TWOPI" != "echo twopi" ; then
959 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
960 dnl If we're targeting for mingw we should emit windows paths, not msys
961 if test "$llvm_cv_os_type" = "MingW" ; then
962 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
964 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
965 [Define to path to twopi program if found or 'echo twopi' otherwise])
967 AC_PATH_PROG(CIRCO, [circo], [echo circo])
968 if test "$CIRCO" != "echo circo" ; then
969 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
970 dnl If we're targeting for mingw we should emit windows paths, not msys
971 if test "$llvm_cv_os_type" = "MingW" ; then
972 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
974 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
975 [Define to path to circo program if found or 'echo circo' otherwise])
977 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
978 if test "$GV" != "echo gv" ; then
979 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
980 dnl If we're targeting for mingw we should emit windows paths, not msys
981 if test "$llvm_cv_os_type" = "MingW" ; then
982 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
984 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
985 [Define to path to gv program if found or 'echo gv' otherwise])
987 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
988 if test "$DOTTY" != "echo dotty" ; then
989 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
990 dnl If we're targeting for mingw we should emit windows paths, not msys
991 if test "$llvm_cv_os_type" = "MingW" ; then
992 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
994 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
995 [Define to path to dotty program if found or 'echo dotty' otherwise])
997 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
998 if test "$XDOT_PY" != "echo xdot.py" ; then
999 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1000 dnl If we're targeting for mingw we should emit windows paths, not msys
1001 if test "$llvm_cv_os_type" = "MingW" ; then
1002 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1004 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1005 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1008 dnl Look for a sufficiently recent version of Perl.
1009 LLVM_PROG_PERL([5.006])
1011 if test x"$PERL" = xnone; then
1012 AC_SUBST(HAVE_PERL,0)
1013 AC_MSG_ERROR([perl is required but was not found, please install it])
1015 AC_SUBST(HAVE_PERL,1)
1018 dnl Find the install program
1020 dnl Prepend src dir to install path dir if it's a relative path
1021 dnl This is a hack for installs that take place in something other
1022 dnl than the top level.
1024 [[\\/$]]* | ?:[[\\/]]* ) ;;
1025 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1028 dnl Checks for documentation and testing tools that we can do without. If these
1029 dnl are not found then they are set to "true" which always succeeds but does
1030 dnl nothing. This just lets the build output show that we could have done
1031 dnl something if the tool was available.
1032 AC_PATH_PROG(BZIP2, [bzip2])
1033 AC_PATH_PROG(CAT, [cat])
1034 AC_PATH_PROG(DOXYGEN, [doxygen])
1035 AC_PATH_PROG(GROFF, [groff])
1036 AC_PATH_PROG(GZIPBIN, [gzip])
1037 AC_PATH_PROG(POD2HTML, [pod2html])
1038 AC_PATH_PROG(POD2MAN, [pod2man])
1039 AC_PATH_PROG(PDFROFF, [pdfroff])
1040 AC_PATH_PROG(RUNTEST, [runtest])
1042 AC_PATH_PROG(ZIP, [zip])
1043 AC_PATH_PROGS(OCAMLC, [ocamlc])
1044 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1045 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1046 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1047 AC_PATH_PROGS(GAS, [gas as])
1049 dnl Get the version of the linker in use.
1052 dnl Determine whether the linker supports the -R option.
1055 dnl Determine whether the linker supports the -export-dynamic option.
1056 AC_LINK_EXPORT_DYNAMIC
1058 dnl Determine whether the linker supports the --version-script option.
1059 AC_LINK_VERSION_SCRIPT
1061 dnl Check for libtool and the library that has dlopen function (which must come
1062 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1067 AC_MSG_CHECKING([tool compatibility])
1069 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1070 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1071 dnl to support those options.
1072 dnl "icc" emits gcc signatures
1073 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1085 if test "$GCC" != "yes" && test "$ICC" != "yes"
1087 AC_MSG_ERROR([gcc|icc required but not found])
1090 dnl Ensure that compilation tools are compatible with GCC extensions
1091 if test "$GXX" != "yes" && test "$IXX" != "yes"
1093 AC_MSG_ERROR([g++|clang++|icc required but not found])
1096 dnl Verify that GCC is version 3.0 or higher
1097 if test "$GCC" = "yes"
1099 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1100 #error Unsupported GCC version
1102 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1105 dnl Check for GNU Make. We use its extensions, so don't build without it
1106 if test -z "$llvm_cv_gnu_make_command"
1108 AC_MSG_ERROR([GNU Make required but not found])
1111 dnl Tool compatibility is okay if we make it here.
1114 dnl Check optional compiler flags.
1115 AC_MSG_CHECKING([optional compiler flags])
1116 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1117 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1118 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1120 dnl===-----------------------------------------------------------------------===
1122 dnl=== SECTION 5: Check for libraries
1124 dnl===-----------------------------------------------------------------------===
1127 if test "$llvm_cv_os_type" = "MingW" ; then
1128 AC_CHECK_LIB(imagehlp, main)
1129 AC_CHECK_LIB(psapi, main)
1132 dnl dlopen() is required for plugin support.
1133 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1134 [Define if dlopen() is available on this platform.]),
1135 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1137 dnl libffi is optional; used to call external functions from the interpreter
1138 if test "$llvm_cv_enable_libffi" = "yes" ; then
1139 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1140 [Define if libffi is available on this platform.]),
1141 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1144 dnl mallinfo is optional; the code can compile (minus features) without it
1145 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1146 [Define if mallinfo() is available on this platform.]))
1148 dnl pthread locking functions are optional - but llvm will not be thread-safe
1150 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1151 AC_CHECK_LIB(pthread, pthread_mutex_init)
1152 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1153 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1154 [Have pthread_mutex_lock]))
1155 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1156 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1157 [Have pthread_rwlock_init]))
1158 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1159 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1160 [Have pthread_getspecific]))
1163 dnl Allow extra x86-disassembler library
1165 AS_HELP_STRING([--with-udis86=<path>],
1166 [Use udis86 external x86 disassembler library]),
1168 AC_SUBST(USE_UDIS86, [1])
1171 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1173 AC_CHECK_LIB(udis86, ud_init, [], [
1174 echo "Error! You need to have libudis86 around."
1178 AC_SUBST(USE_UDIS86, [0]))
1179 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1180 [Define if use udis86 library])
1182 dnl Allow OProfile support for JIT output.
1183 AC_ARG_WITH(oprofile,
1184 AS_HELP_STRING([--with-oprofile=<prefix>],
1185 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1187 AC_SUBST(USE_OPROFILE, [1])
1189 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1191 AC_SUBST(USE_OPROFILE, [0]) ;;
1192 *) llvm_cv_oppath="${withval}/lib/oprofile"
1193 CPPFLAGS="-I${withval}/include";;
1195 if test -n "$llvm_cv_oppath" ; then
1196 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1197 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1198 dnl libbfd is not included properly in libopagent in some Debian
1199 dnl versions. If libbfd isn't found at all, we assume opagent works
1201 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1202 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1203 echo "Error! You need to have libopagent around."
1206 AC_CHECK_HEADER([opagent.h], [], [
1207 echo "Error! You need to have opagent.h around."
1213 AC_SUBST(USE_OPROFILE, [0])
1215 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1216 [Define if we have the oprofile JIT-support library])
1218 dnl===-----------------------------------------------------------------------===
1220 dnl=== SECTION 6: Check for header files
1222 dnl===-----------------------------------------------------------------------===
1224 dnl First, use autoconf provided macros for specific headers that we need
1225 dnl We don't check for ancient stuff or things that are guaranteed to be there
1226 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1227 dnl Generally we're looking for POSIX headers.
1229 AC_HEADER_MMAP_ANONYMOUS
1234 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1235 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1236 AC_CHECK_HEADERS([utime.h windows.h])
1237 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1238 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1239 AC_CHECK_HEADERS([valgrind/valgrind.h])
1240 AC_CHECK_HEADERS([fenv.h])
1241 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1242 AC_CHECK_HEADERS(pthread.h,
1243 AC_SUBST(HAVE_PTHREAD, 1),
1244 AC_SUBST(HAVE_PTHREAD, 0))
1246 AC_SUBST(HAVE_PTHREAD, 0)
1249 dnl Try to find ffi.h.
1250 if test "$llvm_cv_enable_libffi" = "yes" ; then
1251 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1254 dnl Try to find Darwin specific crash reporting libraries.
1255 AC_CHECK_HEADERS([CrashReporterClient.h])
1257 dnl Try to find Darwin specific crash reporting global.
1258 AC_MSG_CHECKING([__crashreporter_info__])
1261 [[extern const char *__crashreporter_info__;
1263 __crashreporter_info__ = "test";
1268 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1270 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1271 Define if __crashreporter_info__ exists.))
1273 dnl===-----------------------------------------------------------------------===
1275 dnl=== SECTION 7: Check for types and structures
1277 dnl===-----------------------------------------------------------------------===
1282 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1284 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1285 AC_CHECK_TYPES([uint64_t],,
1286 AC_CHECK_TYPES([u_int64_t],,
1287 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1289 dnl===-----------------------------------------------------------------------===
1291 dnl=== SECTION 8: Check for specific functions needed
1293 dnl===-----------------------------------------------------------------------===
1295 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1296 AC_CHECK_FUNCS([powf fmodf strtof round ])
1297 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1298 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1299 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1300 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1301 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1302 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1306 dnl Check the declaration "Secure API" on Windows environments.
1307 AC_CHECK_DECLS([strerror_s])
1309 dnl Check symbols in libgcc.a for JIT on Mingw.
1310 if test "$llvm_cv_os_type" = "MingW" ; then
1311 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1312 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1313 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1314 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1316 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1317 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1318 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1319 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1320 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1321 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1322 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1323 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1324 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1325 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1327 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1328 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1331 dnl Check Win32 API EnumerateLoadedModules.
1332 if test "$llvm_cv_os_type" = "MingW" ; then
1333 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1334 AC_COMPILE_IFELSE([[#include <windows.h>
1335 #include <imagehlp.h>
1336 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1337 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1339 AC_MSG_RESULT([yes])
1340 llvm_cv_win32_elmcb_pcstr="PCSTR"
1344 llvm_cv_win32_elmcb_pcstr="PSTR"
1346 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1349 dnl Check for variations in the Standard C++ library and STL. These macros are
1350 dnl provided by LLVM in the autoconf/m4 directory.
1354 dnl Check for mmap support.We also need to know if /dev/zero is required to
1355 dnl be opened for allocating RWX memory.
1356 dnl Make sure we aren't attempting to configure for an unknown system
1357 if test "$llvm_cv_platform_type" = "Unix" ; then
1360 AC_NEED_DEV_ZERO_FOR_MMAP
1362 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1364 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1366 if test "$ac_cv_func_mmap_file" = "no"
1368 AC_MSG_WARN([mmap() of files required but not found])
1372 dnl atomic builtins are required for threading support.
1373 AC_MSG_CHECKING(for GCC atomic builtins)
1374 dnl Since we'll be using these atomic builtins in C++ files we should test
1375 dnl the C++ compiler.
1380 volatile unsigned long val = 1;
1381 __sync_synchronize();
1382 __sync_val_compare_and_swap(&val, 1, 0);
1383 __sync_add_and_fetch(&val, 1);
1384 __sync_sub_and_fetch(&val, 1);
1390 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1392 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1393 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1395 dnl===-----------------------------------------------------------------------===
1397 dnl=== SECTION 9: Additional checks, variables, etc.
1399 dnl===-----------------------------------------------------------------------===
1401 dnl Handle 32-bit linux systems running a 64-bit kernel.
1402 dnl This has to come after section 4 because it invokes the compiler.
1403 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1405 if test "$llvm_cv_linux_mixed" = "yes"; then
1406 llvm_cv_target_arch="x86"
1411 dnl Check whether __dso_handle is present
1412 AC_CHECK_FUNCS([__dso_handle])
1414 dnl Propagate the shared library extension that the libltdl checks did to
1415 dnl the Makefiles so we can use it there too
1416 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1418 dnl Propagate the run-time library path variable that the libltdl
1419 dnl checks found to the Makefiles so we can use it there too
1420 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1422 dnl Translate the various configuration directories and other basic
1423 dnl information into substitutions that will end up in Makefile.config.in
1424 dnl that these configured values can be used by the makefiles
1425 if test "${prefix}" = "NONE" ; then
1428 eval LLVM_PREFIX="${prefix}";
1429 eval LLVM_BINDIR="${prefix}/bin";
1430 eval LLVM_LIBDIR="${prefix}/lib";
1431 eval LLVM_DATADIR="${prefix}/share/llvm";
1432 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1433 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1434 eval LLVM_INCLUDEDIR="${prefix}/include";
1435 eval LLVM_INFODIR="${prefix}/info";
1436 eval LLVM_MANDIR="${prefix}/man";
1437 LLVM_CONFIGTIME=`date`
1438 AC_SUBST(LLVM_PREFIX)
1439 AC_SUBST(LLVM_BINDIR)
1440 AC_SUBST(LLVM_LIBDIR)
1441 AC_SUBST(LLVM_DATADIR)
1442 AC_SUBST(LLVM_DOCSDIR)
1443 AC_SUBST(LLVM_ETCDIR)
1444 AC_SUBST(LLVM_INCLUDEDIR)
1445 AC_SUBST(LLVM_INFODIR)
1446 AC_SUBST(LLVM_MANDIR)
1447 AC_SUBST(LLVM_CONFIGTIME)
1449 dnl Place the various directories into the config.h file as #defines so that we
1450 dnl can know about the installation paths within LLVM.
1451 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1452 [Installation prefix directory])
1453 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1454 [Installation directory for binary executables])
1455 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1456 [Installation directory for libraries])
1457 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1458 [Installation directory for data files])
1459 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1460 [Installation directory for documentation])
1461 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1462 [Installation directory for config files])
1463 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1464 [Installation directory for include files])
1465 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1466 [Installation directory for .info files])
1467 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1468 [Installation directory for man pages])
1469 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1470 [Time at which LLVM was configured])
1471 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1472 [Target triple LLVM will generate code for by default])
1474 dnl Determine which bindings to build.
1475 if test "$BINDINGS_TO_BUILD" = auto ; then
1476 BINDINGS_TO_BUILD=""
1477 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1478 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1481 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1483 dnl This isn't really configurey, but it avoids having to repeat the list in
1485 AC_SUBST(ALL_BINDINGS,ocaml)
1487 dnl Do any work necessary to ensure that bindings have what they need.
1488 binding_prereqs_failed=0
1489 for a_binding in $BINDINGS_TO_BUILD ; do
1490 case "$a_binding" in
1492 if test "x$OCAMLC" = x ; then
1493 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1494 binding_prereqs_failed=1
1496 if test "x$OCAMLDEP" = x ; then
1497 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1498 binding_prereqs_failed=1
1500 if test "x$OCAMLOPT" = x ; then
1501 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1502 dnl ocamlopt is optional!
1504 if test "x$with_ocaml_libdir" != xauto ; then
1505 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1507 ocaml_stdlib="`"$OCAMLC" -where`"
1508 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1510 # ocaml stdlib is beneath our prefix; use stdlib
1511 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1513 # ocaml stdlib is outside our prefix; use libdir/ocaml
1514 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1520 if test "$binding_prereqs_failed" = 1 ; then
1521 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1524 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1525 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1527 dnl Determine linker rpath flag
1528 if test "$llvm_cv_link_use_r" = "yes" ; then
1535 dnl Determine linker rdynamic flag
1536 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1537 RDYNAMIC="-Wl,-export-dynamic"
1543 dnl===-----------------------------------------------------------------------===
1545 dnl=== SECTION 10: Specify the output files and generate it
1547 dnl===-----------------------------------------------------------------------===
1549 dnl Configure header files
1550 dnl WARNING: dnl If you add or remove any of the following config headers, then
1551 dnl you MUST also update Makefile so that the variable FilesToConfig
1552 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1553 dnl files can be updated automatically when their *.in sources change.
1554 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1555 AH_TOP([#ifndef CONFIG_H
1559 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1560 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1561 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1562 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1563 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1565 dnl Configure the makefile's configuration data
1566 AC_CONFIG_FILES([Makefile.config])
1568 dnl Configure the RPM spec file for LLVM
1569 AC_CONFIG_FILES([llvm.spec])
1571 dnl Configure doxygen's configuration file
1572 AC_CONFIG_FILES([docs/doxygen.cfg])
1574 dnl Configure clang, if present
1575 if test "${clang_src_root}" = ""; then
1576 clang_src_root="$srcdir/tools/clang"
1578 if test -f ${clang_src_root}/README.txt; then
1579 dnl Use variables to stay under 80 columns.
1580 configh="include/clang/Config/config.h"
1581 doxy="docs/doxygen.cfg"
1582 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1583 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1586 dnl OCaml findlib META file
1587 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1589 dnl Do special configuration of Makefiles
1590 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1591 AC_CONFIG_MAKEFILE(Makefile)
1592 AC_CONFIG_MAKEFILE(Makefile.common)
1593 AC_CONFIG_MAKEFILE(examples/Makefile)
1594 AC_CONFIG_MAKEFILE(lib/Makefile)
1595 AC_CONFIG_MAKEFILE(runtime/Makefile)
1596 AC_CONFIG_MAKEFILE(test/Makefile)
1597 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1598 AC_CONFIG_MAKEFILE(unittests/Makefile)
1599 AC_CONFIG_MAKEFILE(tools/Makefile)
1600 AC_CONFIG_MAKEFILE(utils/Makefile)
1601 AC_CONFIG_MAKEFILE(projects/Makefile)
1602 AC_CONFIG_MAKEFILE(bindings/Makefile)
1603 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1605 dnl Finally, crank out the output