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 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 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
649 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
650 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
651 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
652 host) case "$llvm_cv_target_arch" in
653 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
654 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
655 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
656 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
657 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
658 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
659 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
660 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
661 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
662 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
663 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
664 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
665 *) AC_MSG_ERROR([Can not set target to build]) ;;
667 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
672 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
674 dnl Determine whether we are building LLVM support for the native architecture.
675 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
676 for a_target in $TARGETS_TO_BUILD; do
677 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
678 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
679 [LLVM architecture name for the native architecture, if available])
680 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
681 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
682 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
683 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
684 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
685 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
687 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
688 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
690 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
691 [LLVM name for the native Target init function, if available])
692 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
693 [LLVM name for the native TargetInfo init function, if available])
694 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
695 [LLVM name for the native target MC init function, if available])
696 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
697 [LLVM name for the native AsmPrinter init function, if available])
698 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
699 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
700 [LLVM name for the native AsmParser init function, if available])
702 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
703 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
704 [LLVM name for the native Disassembler init function, if available])
709 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
710 dnl target feature def files.
712 LLVM_ENUM_ASM_PRINTERS=""
713 LLVM_ENUM_ASM_PARSERS=""
714 LLVM_ENUM_DISASSEMBLERS=""
715 for target_to_build in $TARGETS_TO_BUILD; do
716 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
717 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
718 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
720 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
721 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
723 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
724 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
727 AC_SUBST(LLVM_ENUM_TARGETS)
728 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
729 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
730 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
732 dnl Override the option to use for optimized builds.
733 AC_ARG_WITH(optimize-option,
734 AS_HELP_STRING([--with-optimize-option],
735 [Select the compiler options to use for optimized builds]),,
737 AC_MSG_CHECKING([optimization flags])
740 case "$llvm_cv_os_type" in
741 FreeBSD) optimize_option=-O2 ;;
742 MingW) optimize_option=-O2 ;;
743 *) optimize_option=-O3 ;;
745 *) optimize_option="$withval" ;;
747 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
748 AC_MSG_RESULT([$optimize_option])
750 dnl Specify extra build options
751 AC_ARG_WITH(extra-options,
752 AS_HELP_STRING([--with-extra-options],
753 [Specify additional options to compile LLVM with]),,
756 default) EXTRA_OPTIONS= ;;
757 *) EXTRA_OPTIONS=$withval ;;
759 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
761 dnl Specify extra linker build options
762 AC_ARG_WITH(extra-ld-options,
763 AS_HELP_STRING([--with-extra-ld-options],
764 [Specify additional options to link LLVM with]),,
767 default) EXTRA_LD_OPTIONS= ;;
768 *) EXTRA_LD_OPTIONS=$withval ;;
770 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
772 dnl Allow specific bindings to be specified for building (or not)
773 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
774 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
778 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
779 all ) BINDINGS_TO_BUILD="ocaml" ;;
780 none | no) BINDINGS_TO_BUILD="" ;;
781 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
783 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
784 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
790 dnl Allow the ocaml libdir to be overridden. This could go in a configure
791 dnl script for bindings/ocaml/configure, except that its auto value depends on
792 dnl OCAMLC, which is found here to support tests.
793 AC_ARG_WITH([ocaml-libdir],
794 [AS_HELP_STRING([--with-ocaml-libdir],
795 [Specify install location for ocaml bindings (default is stdlib)])],
799 auto) with_ocaml_libdir="$withval" ;;
800 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
801 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
804 AC_ARG_WITH(clang-srcdir,
805 AS_HELP_STRING([--with-clang-srcdir],
806 [Directory to the out-of-tree Clang source]),,
809 -) clang_src_root="" ;;
810 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
811 *) clang_src_root="$ac_pwd/$withval" ;;
813 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
815 AC_ARG_WITH(clang-resource-dir,
816 AS_HELP_STRING([--with-clang-resource-dir],
817 [Relative directory from the Clang binary for resource files]),,
819 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
820 [Relative directory for resource files])
822 AC_ARG_WITH(c-include-dirs,
823 AS_HELP_STRING([--with-c-include-dirs],
824 [Colon separated list of directories clang will search for headers]),,
826 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
827 [Directories clang will search for headers])
829 # Clang normally uses the system c++ headers and libraries. With this option,
830 # clang will use the ones provided by a gcc installation instead. This option should
831 # be passed the same value that was used with --prefix when configuring gcc.
832 AC_ARG_WITH(gcc-toolchain,
833 AS_HELP_STRING([--with-gcc-toolchain],
834 [Directory where gcc is installed.]),,
836 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
837 [Directory where gcc is installed.])
839 dnl Allow linking of LLVM with GPLv3 binutils code.
840 AC_ARG_WITH(binutils-include,
841 AS_HELP_STRING([--with-binutils-include],
842 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
845 default) WITH_BINUTILS_INCDIR=default ;;
846 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
847 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
849 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
850 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
851 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
852 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
853 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
857 dnl Specify the URL where bug reports should be submitted.
858 AC_ARG_WITH(bug-report-url,
859 AS_HELP_STRING([--with-bug-report-url],
860 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
861 withval="http://llvm.org/bugs/")
862 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
865 dnl --enable-libffi : check whether the user wants to turn off libffi:
866 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
867 --enable-libffi,[Check for the presence of libffi (default is NO)]),
868 [case "$enableval" in
869 yes) llvm_cv_enable_libffi="yes" ;;
870 no) llvm_cv_enable_libffi="no" ;;
871 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
873 llvm_cv_enable_libffi=no)
875 AC_ARG_WITH(internal-prefix,
876 AS_HELP_STRING([--with-internal-prefix],
877 [Installation directory for internal files]),,
879 AC_SUBST(INTERNAL_PREFIX,[$withval])
881 dnl===-----------------------------------------------------------------------===
883 dnl=== SECTION 4: Check for programs we need and that they are the right version
885 dnl===-----------------------------------------------------------------------===
890 dnl Check for the tools that the makefiles require
893 AC_PATH_PROG(CMP, [cmp], [cmp])
894 AC_PATH_PROG(CP, [cp], [cp])
895 AC_PATH_PROG(DATE, [date], [date])
896 AC_PATH_PROG(FIND, [find], [find])
897 AC_PATH_PROG(GREP, [grep], [grep])
898 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
899 AC_PATH_PROG(MV, [mv], [mv])
901 AC_CHECK_TOOL(AR, ar, false)
902 AC_PATH_PROG(RM, [rm], [rm])
903 AC_PATH_PROG(SED, [sed], [sed])
904 AC_PATH_PROG(TAR, [tar], [gtar])
905 AC_PATH_PROG(BINPWD,[pwd], [pwd])
907 dnl Looking for misc. graph plotting software
908 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
909 if test "$GRAPHVIZ" != "echo Graphviz" ; then
910 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
911 dnl If we're targeting for mingw we should emit windows paths, not msys
912 if test "$llvm_cv_os_type" = "MingW" ; then
913 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
915 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
916 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
918 AC_PATH_PROG(DOT, [dot], [echo dot])
919 if test "$DOT" != "echo dot" ; then
920 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
921 dnl If we're targeting for mingw we should emit windows paths, not msys
922 if test "$llvm_cv_os_type" = "MingW" ; then
923 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
925 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
926 [Define to path to dot program if found or 'echo dot' otherwise])
928 AC_PATH_PROG(FDP, [fdp], [echo fdp])
929 if test "$FDP" != "echo fdp" ; then
930 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
931 dnl If we're targeting for mingw we should emit windows paths, not msys
932 if test "$llvm_cv_os_type" = "MingW" ; then
933 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
935 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
936 [Define to path to fdp program if found or 'echo fdp' otherwise])
938 AC_PATH_PROG(NEATO, [neato], [echo neato])
939 if test "$NEATO" != "echo neato" ; then
940 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
941 dnl If we're targeting for mingw we should emit windows paths, not msys
942 if test "$llvm_cv_os_type" = "MingW" ; then
943 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
945 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
946 [Define to path to neato program if found or 'echo neato' otherwise])
948 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
949 if test "$TWOPI" != "echo twopi" ; then
950 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
951 dnl If we're targeting for mingw we should emit windows paths, not msys
952 if test "$llvm_cv_os_type" = "MingW" ; then
953 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
955 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
956 [Define to path to twopi program if found or 'echo twopi' otherwise])
958 AC_PATH_PROG(CIRCO, [circo], [echo circo])
959 if test "$CIRCO" != "echo circo" ; then
960 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
961 dnl If we're targeting for mingw we should emit windows paths, not msys
962 if test "$llvm_cv_os_type" = "MingW" ; then
963 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
965 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
966 [Define to path to circo program if found or 'echo circo' otherwise])
968 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
969 if test "$GV" != "echo gv" ; then
970 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
971 dnl If we're targeting for mingw we should emit windows paths, not msys
972 if test "$llvm_cv_os_type" = "MingW" ; then
973 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
975 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
976 [Define to path to gv program if found or 'echo gv' otherwise])
978 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
979 if test "$DOTTY" != "echo dotty" ; then
980 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
981 dnl If we're targeting for mingw we should emit windows paths, not msys
982 if test "$llvm_cv_os_type" = "MingW" ; then
983 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
985 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
986 [Define to path to dotty program if found or 'echo dotty' otherwise])
988 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
989 if test "$XDOT_PY" != "echo xdot.py" ; then
990 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
991 dnl If we're targeting for mingw we should emit windows paths, not msys
992 if test "$llvm_cv_os_type" = "MingW" ; then
993 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
995 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
996 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
999 dnl Find the install program
1001 dnl Prepend src dir to install path dir if it's a relative path
1002 dnl This is a hack for installs that take place in something other
1003 dnl than the top level.
1005 [[\\/$]]* | ?:[[\\/]]* ) ;;
1006 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1009 dnl Checks for documentation and testing tools that we can do without. If these
1010 dnl are not found then they are set to "true" which always succeeds but does
1011 dnl nothing. This just lets the build output show that we could have done
1012 dnl something if the tool was available.
1013 AC_PATH_PROG(BZIP2, [bzip2])
1014 AC_PATH_PROG(CAT, [cat])
1015 AC_PATH_PROG(DOXYGEN, [doxygen])
1016 AC_PATH_PROG(GROFF, [groff])
1017 AC_PATH_PROG(GZIPBIN, [gzip])
1018 AC_PATH_PROG(POD2HTML, [pod2html])
1019 AC_PATH_PROG(POD2MAN, [pod2man])
1020 AC_PATH_PROG(PDFROFF, [pdfroff])
1021 AC_PATH_PROG(RUNTEST, [runtest])
1023 AC_PATH_PROG(ZIP, [zip])
1024 AC_PATH_PROGS(OCAMLC, [ocamlc])
1025 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1026 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1027 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1028 AC_PATH_PROGS(GAS, [gas as])
1030 dnl Get the version of the linker in use.
1033 dnl Determine whether the linker supports the -R option.
1036 dnl Determine whether the linker supports the -export-dynamic option.
1037 AC_LINK_EXPORT_DYNAMIC
1039 dnl Determine whether the linker supports the --version-script option.
1040 AC_LINK_VERSION_SCRIPT
1042 dnl Check for libtool and the library that has dlopen function (which must come
1043 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1048 AC_MSG_CHECKING([tool compatibility])
1050 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1051 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1052 dnl to support those options.
1053 dnl "icc" emits gcc signatures
1054 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1066 if test "$GCC" != "yes" && test "$ICC" != "yes"
1068 AC_MSG_ERROR([gcc|icc required but not found])
1071 dnl Ensure that compilation tools are compatible with GCC extensions
1072 if test "$GXX" != "yes" && test "$IXX" != "yes"
1074 AC_MSG_ERROR([g++|clang++|icc required but not found])
1077 dnl Verify that GCC is version 3.0 or higher
1078 if test "$GCC" = "yes"
1080 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1081 #error Unsupported GCC version
1083 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1086 dnl Check for GNU Make. We use its extensions, so don't build without it
1087 if test -z "$llvm_cv_gnu_make_command"
1089 AC_MSG_ERROR([GNU Make required but not found])
1092 dnl Tool compatibility is okay if we make it here.
1095 dnl Check optional compiler flags.
1096 AC_MSG_CHECKING([optional compiler flags])
1097 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1098 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1099 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1100 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1102 dnl===-----------------------------------------------------------------------===
1104 dnl=== SECTION 5: Check for libraries
1106 dnl===-----------------------------------------------------------------------===
1109 if test "$llvm_cv_os_type" = "MingW" ; then
1110 AC_CHECK_LIB(imagehlp, main)
1111 AC_CHECK_LIB(psapi, main)
1114 dnl dlopen() is required for plugin support.
1115 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1116 [Define if dlopen() is available on this platform.]),
1117 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1119 dnl libffi is optional; used to call external functions from the interpreter
1120 if test "$llvm_cv_enable_libffi" = "yes" ; then
1121 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1122 [Define if libffi is available on this platform.]),
1123 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1126 dnl mallinfo is optional; the code can compile (minus features) without it
1127 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1128 [Define if mallinfo() is available on this platform.]))
1130 dnl pthread locking functions are optional - but llvm will not be thread-safe
1132 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1133 AC_CHECK_LIB(pthread, pthread_mutex_init)
1134 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1135 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1136 [Have pthread_mutex_lock]))
1137 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1138 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1139 [Have pthread_rwlock_init]))
1140 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1141 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1142 [Have pthread_getspecific]))
1145 dnl Allow extra x86-disassembler library
1147 AS_HELP_STRING([--with-udis86=<path>],
1148 [Use udis86 external x86 disassembler library]),
1150 AC_SUBST(USE_UDIS86, [1])
1153 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1155 AC_CHECK_LIB(udis86, ud_init, [], [
1156 echo "Error! You need to have libudis86 around."
1160 AC_SUBST(USE_UDIS86, [0]))
1161 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1162 [Define if use udis86 library])
1164 dnl Allow OProfile support for JIT output.
1165 AC_ARG_WITH(oprofile,
1166 AS_HELP_STRING([--with-oprofile=<prefix>],
1167 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1169 AC_SUBST(USE_OPROFILE, [1])
1171 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1173 AC_SUBST(USE_OPROFILE, [0]) ;;
1174 *) llvm_cv_oppath="${withval}/lib/oprofile"
1175 CPPFLAGS="-I${withval}/include";;
1177 case $llvm_cv_os_type in
1179 if test -n "$llvm_cv_oppath" ; then
1180 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1181 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1182 dnl libbfd is not included properly in libopagent in some Debian
1183 dnl versions. If libbfd isn't found at all, we assume opagent works
1185 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1186 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1187 echo "Error! You need to have libopagent around."
1190 AC_CHECK_HEADER([opagent.h], [], [
1191 echo "Error! You need to have opagent.h around."
1196 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1200 AC_SUBST(USE_OPROFILE, [0])
1202 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1203 [Define if we have the oprofile JIT-support library])
1205 dnl Enable support for Intel JIT Events API.
1206 AC_ARG_WITH(intel-jitevents,
1207 AS_HELP_STRING([--with-intel-jitevents=<vtune-amplifier-dir>],
1208 [Specify location of run-time support library for Intel JIT API (default=/opt/intel/vtune_amplifier_xe_2011)]),
1210 case $llvm_cv_os_type in
1211 Linux|Win32|Cygwin|MingW) ;;
1214 Intel JIT API support is available on Linux and Windows only."]) ;;
1217 AC_SUBST(USE_INTEL_JITEVENTS, [1])
1218 case "$llvm_cv_target_arch" in
1219 x86) llvm_intel_jitevents_archdir="lib32";;
1220 x86_64) llvm_intel_jitevents_archdir="lib64";;
1221 *) echo "Target architecture $llvm_cv_target_arch does not support Intel JIT Events API"
1224 INTEL_JITEVENTS_INCDIR="/opt/intel/vtune_amplifier_xe_2011/include"
1225 INTEL_JITEVENTS_LIBDIR="/opt/intel/vtune_amplifier_xe_2011/$llvm_intel_jitevents_archdir"
1227 /* | [[A-Za-z]]:[[\\/]]*) INTEL_JITEVENTS_INCDIR=$withval/include
1228 INTEL_JITEVENTS_LIBDIR=$withval/$llvm_intel_jitevents_archdir ;;
1232 AC_SUBST(INTEL_JITEVENTS_INCDIR)
1233 AC_SUBST(INTEL_JITEVENTS_LIBDIR)
1235 LIBS="$LIBS -L${INTEL_JITEVENTS_LIBDIR}"
1236 CPPFLAGS="$CPPFLAGS -I$INTEL_JITEVENTS_INCDIR"
1238 AC_SEARCH_LIBS(iJIT_IsProfilingActive, jitprofiling, [], [
1239 echo "Error! Cannot find libjitprofiling.a. Please check path specified in flag --with-intel-jitevents"
1242 AC_CHECK_HEADER([jitprofiling.h], [], [
1243 echo "Error! Cannot find jitprofiling.h. Please check path specified in flag --with-intel-jitevents"
1249 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1251 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1252 [Define if we have the Intel JIT API runtime support library])
1254 dnl===-----------------------------------------------------------------------===
1256 dnl=== SECTION 6: Check for header files
1258 dnl===-----------------------------------------------------------------------===
1260 dnl First, use autoconf provided macros for specific headers that we need
1261 dnl We don't check for ancient stuff or things that are guaranteed to be there
1262 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1263 dnl Generally we're looking for POSIX headers.
1265 AC_HEADER_MMAP_ANONYMOUS
1270 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1271 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1272 AC_CHECK_HEADERS([utime.h windows.h])
1273 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1274 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1275 AC_CHECK_HEADERS([valgrind/valgrind.h])
1276 AC_CHECK_HEADERS([fenv.h])
1277 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1278 AC_CHECK_HEADERS(pthread.h,
1279 AC_SUBST(HAVE_PTHREAD, 1),
1280 AC_SUBST(HAVE_PTHREAD, 0))
1282 AC_SUBST(HAVE_PTHREAD, 0)
1285 dnl Try to find ffi.h.
1286 if test "$llvm_cv_enable_libffi" = "yes" ; then
1287 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1290 dnl Try to find Darwin specific crash reporting libraries.
1291 AC_CHECK_HEADERS([CrashReporterClient.h])
1293 dnl Try to find Darwin specific crash reporting global.
1294 AC_MSG_CHECKING([__crashreporter_info__])
1297 [[extern const char *__crashreporter_info__;
1299 __crashreporter_info__ = "test";
1304 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1306 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1307 Define if __crashreporter_info__ exists.))
1309 dnl===-----------------------------------------------------------------------===
1311 dnl=== SECTION 7: Check for types and structures
1313 dnl===-----------------------------------------------------------------------===
1318 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1320 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1321 AC_CHECK_TYPES([uint64_t],,
1322 AC_CHECK_TYPES([u_int64_t],,
1323 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1325 dnl===-----------------------------------------------------------------------===
1327 dnl=== SECTION 8: Check for specific functions needed
1329 dnl===-----------------------------------------------------------------------===
1331 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1332 AC_CHECK_FUNCS([powf fmodf strtof round ])
1333 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1334 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1335 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1336 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1337 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1338 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1342 dnl Check the declaration "Secure API" on Windows environments.
1343 AC_CHECK_DECLS([strerror_s])
1345 dnl Check symbols in libgcc.a for JIT on Mingw.
1346 if test "$llvm_cv_os_type" = "MingW" ; then
1347 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1348 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1349 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1350 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1352 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1353 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1354 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1355 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1356 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1357 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1358 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1359 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1360 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1361 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1363 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1364 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1367 dnl Check Win32 API EnumerateLoadedModules.
1368 if test "$llvm_cv_os_type" = "MingW" ; then
1369 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1370 AC_COMPILE_IFELSE([[#include <windows.h>
1371 #include <imagehlp.h>
1372 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1373 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1375 AC_MSG_RESULT([yes])
1376 llvm_cv_win32_elmcb_pcstr="PCSTR"
1380 llvm_cv_win32_elmcb_pcstr="PSTR"
1382 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1385 dnl Check for variations in the Standard C++ library and STL. These macros are
1386 dnl provided by LLVM in the autoconf/m4 directory.
1390 dnl Check for mmap support.We also need to know if /dev/zero is required to
1391 dnl be opened for allocating RWX memory.
1392 dnl Make sure we aren't attempting to configure for an unknown system
1393 if test "$llvm_cv_platform_type" = "Unix" ; then
1396 AC_NEED_DEV_ZERO_FOR_MMAP
1398 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1400 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1402 if test "$ac_cv_func_mmap_file" = "no"
1404 AC_MSG_WARN([mmap() of files required but not found])
1408 dnl atomic builtins are required for threading support.
1409 AC_MSG_CHECKING(for GCC atomic builtins)
1410 dnl Since we'll be using these atomic builtins in C++ files we should test
1411 dnl the C++ compiler.
1416 volatile unsigned long val = 1;
1417 __sync_synchronize();
1418 __sync_val_compare_and_swap(&val, 1, 0);
1419 __sync_add_and_fetch(&val, 1);
1420 __sync_sub_and_fetch(&val, 1);
1426 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1428 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1429 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1431 dnl===-----------------------------------------------------------------------===
1433 dnl=== SECTION 9: Additional checks, variables, etc.
1435 dnl===-----------------------------------------------------------------------===
1437 dnl Handle 32-bit linux systems running a 64-bit kernel.
1438 dnl This has to come after section 4 because it invokes the compiler.
1439 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1441 if test "$llvm_cv_linux_mixed" = "yes"; then
1442 llvm_cv_target_arch="x86"
1447 dnl Check whether __dso_handle is present
1448 AC_CHECK_FUNCS([__dso_handle])
1450 dnl Propagate the shared library extension that the libltdl checks did to
1451 dnl the Makefiles so we can use it there too
1452 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1454 dnl Propagate the run-time library path variable that the libltdl
1455 dnl checks found to the Makefiles so we can use it there too
1456 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1458 dnl Translate the various configuration directories and other basic
1459 dnl information into substitutions that will end up in Makefile.config.in
1460 dnl that these configured values can be used by the makefiles
1461 if test "${prefix}" = "NONE" ; then
1464 eval LLVM_PREFIX="${prefix}";
1465 eval LLVM_BINDIR="${prefix}/bin";
1466 eval LLVM_LIBDIR="${prefix}/lib";
1467 eval LLVM_DATADIR="${prefix}/share/llvm";
1468 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1469 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1470 eval LLVM_INCLUDEDIR="${prefix}/include";
1471 eval LLVM_INFODIR="${prefix}/info";
1472 eval LLVM_MANDIR="${prefix}/man";
1473 LLVM_CONFIGTIME=`date`
1474 AC_SUBST(LLVM_PREFIX)
1475 AC_SUBST(LLVM_BINDIR)
1476 AC_SUBST(LLVM_LIBDIR)
1477 AC_SUBST(LLVM_DATADIR)
1478 AC_SUBST(LLVM_DOCSDIR)
1479 AC_SUBST(LLVM_ETCDIR)
1480 AC_SUBST(LLVM_INCLUDEDIR)
1481 AC_SUBST(LLVM_INFODIR)
1482 AC_SUBST(LLVM_MANDIR)
1483 AC_SUBST(LLVM_CONFIGTIME)
1485 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1486 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1487 LLVM_CONFIGTIME="(timestamp not enabled)"
1490 dnl Place the various directories into the config.h file as #defines so that we
1491 dnl can know about the installation paths within LLVM.
1492 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1493 [Installation prefix directory])
1494 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1495 [Installation directory for binary executables])
1496 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1497 [Installation directory for libraries])
1498 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1499 [Installation directory for data files])
1500 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1501 [Installation directory for documentation])
1502 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1503 [Installation directory for config files])
1504 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1505 [Installation directory for include files])
1506 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1507 [Installation directory for .info files])
1508 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1509 [Installation directory for man pages])
1510 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1511 [Time at which LLVM was configured])
1512 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1513 [Target triple LLVM will generate code for by default])
1515 dnl Determine which bindings to build.
1516 if test "$BINDINGS_TO_BUILD" = auto ; then
1517 BINDINGS_TO_BUILD=""
1518 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1519 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1522 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1524 dnl This isn't really configurey, but it avoids having to repeat the list in
1526 AC_SUBST(ALL_BINDINGS,ocaml)
1528 dnl Do any work necessary to ensure that bindings have what they need.
1529 binding_prereqs_failed=0
1530 for a_binding in $BINDINGS_TO_BUILD ; do
1531 case "$a_binding" in
1533 if test "x$OCAMLC" = x ; then
1534 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1535 binding_prereqs_failed=1
1537 if test "x$OCAMLDEP" = x ; then
1538 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1539 binding_prereqs_failed=1
1541 if test "x$OCAMLOPT" = x ; then
1542 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1543 dnl ocamlopt is optional!
1545 if test "x$with_ocaml_libdir" != xauto ; then
1546 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1548 ocaml_stdlib="`"$OCAMLC" -where`"
1549 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1551 # ocaml stdlib is beneath our prefix; use stdlib
1552 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1554 # ocaml stdlib is outside our prefix; use libdir/ocaml
1555 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1561 if test "$binding_prereqs_failed" = 1 ; then
1562 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1565 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1566 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1568 dnl Determine linker rpath flag
1569 if test "$llvm_cv_link_use_r" = "yes" ; then
1576 dnl Determine linker rdynamic flag
1577 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1578 RDYNAMIC="-Wl,-export-dynamic"
1584 dnl===-----------------------------------------------------------------------===
1586 dnl=== SECTION 10: Specify the output files and generate it
1588 dnl===-----------------------------------------------------------------------===
1590 dnl Configure header files
1591 dnl WARNING: dnl If you add or remove any of the following config headers, then
1592 dnl you MUST also update Makefile so that the variable FilesToConfig
1593 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1594 dnl files can be updated automatically when their *.in sources change.
1595 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1596 AH_TOP([#ifndef CONFIG_H
1600 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1601 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1602 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1603 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1604 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1606 dnl Configure the makefile's configuration data
1607 AC_CONFIG_FILES([Makefile.config])
1609 dnl Configure the RPM spec file for LLVM
1610 AC_CONFIG_FILES([llvm.spec])
1612 dnl Configure doxygen's configuration file
1613 AC_CONFIG_FILES([docs/doxygen.cfg])
1615 dnl Configure clang, if present
1616 if test "${clang_src_root}" = ""; then
1617 clang_src_root="$srcdir/tools/clang"
1619 if test -f ${clang_src_root}/README.txt; then
1620 dnl Use variables to stay under 80 columns.
1621 configh="include/clang/Config/config.h"
1622 doxy="docs/doxygen.cfg"
1623 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1624 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1627 dnl OCaml findlib META file
1628 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1630 dnl Do special configuration of Makefiles
1631 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1632 AC_CONFIG_MAKEFILE(Makefile)
1633 AC_CONFIG_MAKEFILE(Makefile.common)
1634 AC_CONFIG_MAKEFILE(examples/Makefile)
1635 AC_CONFIG_MAKEFILE(lib/Makefile)
1636 AC_CONFIG_MAKEFILE(runtime/Makefile)
1637 AC_CONFIG_MAKEFILE(test/Makefile)
1638 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1639 AC_CONFIG_MAKEFILE(unittests/Makefile)
1640 AC_CONFIG_MAKEFILE(tools/Makefile)
1641 AC_CONFIG_MAKEFILE(utils/Makefile)
1642 AC_CONFIG_MAKEFILE(projects/Makefile)
1643 AC_CONFIG_MAKEFILE(bindings/Makefile)
1644 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1646 dnl Finally, crank out the output