1 dnl === configure.ac --------------------------------------------------------===
2 dnl The LLVM Compiler Infrastructure
4 dnl This file is distributed under the University of Illinois Open Source
5 dnl License. See LICENSE.TXT for details.
7 dnl===-----------------------------------------------------------------------===
8 dnl This is the LLVM configuration script. It is processed by the autoconf
9 dnl program to produce a script named configure. This script contains the
10 dnl configuration checks that LLVM needs in order to support multiple platforms.
11 dnl This file is composed of 10 sections per the recommended organization of
12 dnl autoconf input defined in the autoconf documentation. As this file evolves,
13 dnl please keep the various types of checks within their sections. The sections
16 dnl SECTION 1: Initialization & Setup
17 dnl SECTION 2: Architecture, target, and host checks
18 dnl SECTION 3: Command line arguments for the configure script.
19 dnl SECTION 4: Check for programs we need and that they are the right version
20 dnl SECTION 5: Check for libraries
21 dnl SECTION 6: Check for header files
22 dnl SECTION 7: Check for types and structures
23 dnl SECTION 8: Check for specific functions needed
24 dnl SECTION 9: Additional checks, variables, etc.
25 dnl SECTION 10: Specify the output files and generate it
27 dnl===-----------------------------------------------------------------------===
29 dnl=== SECTION 1: Initialization & Setup
31 dnl===-----------------------------------------------------------------------===
32 dnl Initialize autoconf and define the package name, version number and
33 dnl address for reporting bugs.
34 AC_INIT([LLVM],[3.2svn],[http://llvm.org/bugs/])
35 AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API])
36 AC_DEFINE([LLVM_VERSION_MINOR], [2], [Minor version of the LLVM API])
38 dnl Provide a copyright substitution and ensure the copyright notice is included
39 dnl in the output of --version option of the generated configure script.
40 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2012 University of Illinois at Urbana-Champaign."])
41 AC_COPYRIGHT([Copyright (c) 2003-2012 University of Illinois at Urbana-Champaign.])
43 dnl Indicate that we require autoconf 2.60 or later.
46 dnl Verify that the source directory is valid. This makes sure that we are
47 dnl configuring LLVM and not some other package (it validates --srcdir argument)
48 AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp])
50 dnl Place all of the extra autoconf files into the config subdirectory. Tell
51 dnl various tools where the m4 autoconf macros are.
52 AC_CONFIG_AUX_DIR([autoconf])
54 dnl Quit if the source directory has already been configured.
55 dnl NOTE: This relies upon undocumented autoconf behavior.
56 if test ${srcdir} != "." ; then
57 if test -f ${srcdir}/include/llvm/Config/config.h ; then
58 AC_MSG_ERROR([Already configured in ${srcdir}])
62 dnl We need to check for the compiler up here to avoid anything else
63 dnl starting with a different one.
64 AC_PROG_CC(clang llvm-gcc gcc)
65 AC_PROG_CXX(clang++ llvm-g++ g++)
68 dnl Configure all of the projects present in our source tree. While we could
69 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
70 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
71 dnl Instead we match on the known projects.
74 dnl One tricky part of doing this is that some projects depend upon other
75 dnl projects. For example, several projects rely upon the LLVM test suite.
76 dnl We want to configure those projects first so that their object trees are
77 dnl created before running the configure scripts of projects that depend upon
81 dnl Several projects use llvm-gcc, so configure that first
82 if test -d ${srcdir}/projects/llvm-gcc ; then
83 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
86 dnl Several projects use the LLVM test suite, so configure it next.
87 if test -d ${srcdir}/projects/test-suite ; then
88 AC_CONFIG_SUBDIRS([projects/test-suite])
91 dnl llvm-test is the old name of the test-suite, kept here for backwards
93 if test -d ${srcdir}/projects/llvm-test ; then
94 AC_CONFIG_SUBDIRS([projects/llvm-test])
97 dnl Some projects use poolalloc; configure that next
98 if test -d ${srcdir}/projects/poolalloc ; then
99 AC_CONFIG_SUBDIRS([projects/poolalloc])
102 if test -d ${srcdir}/projects/llvm-poolalloc ; then
103 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
106 dnl Check for all other projects
107 for i in `ls ${srcdir}/projects`
109 if test -d ${srcdir}/projects/${i} ; then
111 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
112 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
113 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
114 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
115 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
116 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
117 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
118 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
126 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
132 dnl Disable the build of polly, even if it is checked out into tools/polly.
134 AS_HELP_STRING([--enable-polly],
135 [Use polly if available (default is YES)]),,
138 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
139 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
140 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
141 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
145 dnl Check if polly is checked out into tools/polly and configure it if
147 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
148 AC_SUBST(LLVM_HAS_POLLY,1)
149 AC_CONFIG_SUBDIRS([tools/polly])
152 dnl===-----------------------------------------------------------------------===
154 dnl=== SECTION 2: Architecture, target, and host checks
156 dnl===-----------------------------------------------------------------------===
158 dnl Check the target for which we're compiling and the host that will do the
159 dnl compilations. This will tell us which LLVM compiler will be used for
160 dnl compiling SSA into object code. This needs to be done early because
161 dnl following tests depend on it.
164 dnl Determine the platform type and cache its value. This helps us configure
165 dnl the System library to the correct build platform.
166 AC_CACHE_CHECK([type of operating system we're going to host on],
170 llvm_cv_link_all_option="-Wl,--whole-archive"
171 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
172 llvm_cv_os_type="AIX"
173 llvm_cv_platform_type="Unix" ;;
175 llvm_cv_link_all_option="-Wl,--whole-archive"
176 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
177 llvm_cv_os_type="IRIX"
178 llvm_cv_platform_type="Unix" ;;
180 llvm_cv_link_all_option="-Wl,--whole-archive"
181 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
182 llvm_cv_os_type="Cygwin"
183 llvm_cv_platform_type="Unix" ;;
185 llvm_cv_link_all_option="-Wl,-all_load"
186 llvm_cv_no_link_all_option="-Wl,-noall_load"
187 llvm_cv_os_type="Darwin"
188 llvm_cv_platform_type="Unix" ;;
190 llvm_cv_link_all_option="-Wl,-all_load"
191 llvm_cv_no_link_all_option="-Wl,-noall_load"
192 llvm_cv_os_type="Minix"
193 llvm_cv_platform_type="Unix" ;;
194 *-*-freebsd* | *-*-kfreebsd-gnu)
195 llvm_cv_link_all_option="-Wl,--whole-archive"
196 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
197 llvm_cv_os_type="FreeBSD"
198 llvm_cv_platform_type="Unix" ;;
200 llvm_cv_link_all_option="-Wl,--whole-archive"
201 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
202 llvm_cv_os_type="OpenBSD"
203 llvm_cv_platform_type="Unix" ;;
205 llvm_cv_link_all_option="-Wl,--whole-archive"
206 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
207 llvm_cv_os_type="NetBSD"
208 llvm_cv_platform_type="Unix" ;;
210 llvm_cv_link_all_option="-Wl,--whole-archive"
211 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
212 llvm_cv_os_type="DragonFly"
213 llvm_cv_platform_type="Unix" ;;
215 llvm_cv_link_all_option="-Wl,--whole-archive"
216 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
217 llvm_cv_os_type="HP-UX"
218 llvm_cv_platform_type="Unix" ;;
220 llvm_cv_link_all_option="-Wl,--whole-archive"
221 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
222 llvm_cv_os_type="Interix"
223 llvm_cv_platform_type="Unix" ;;
225 llvm_cv_link_all_option="-Wl,--whole-archive"
226 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
227 llvm_cv_os_type="Linux"
228 llvm_cv_platform_type="Unix" ;;
230 llvm_cv_link_all_option="-Wl,--whole-archive"
231 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
232 llvm_cv_os_type="GNU"
233 llvm_cv_platform_type="Unix" ;;
235 llvm_cv_link_all_option="-Wl,-z,allextract"
236 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
237 llvm_cv_os_type="SunOS"
238 llvm_cv_platform_type="Unix" ;;
240 llvm_cv_link_all_option="-Wl,-z,allextract"
241 llvm_cv_link_all_option="-Wl,-z,defaultextract"
242 llvm_cv_os_type="AuroraUX"
243 llvm_cv_platform_type="Unix" ;;
245 llvm_cv_link_all_option="-Wl,--whole-archive"
246 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
247 llvm_cv_os_type="Win32"
248 llvm_cv_platform_type="Win32" ;;
250 llvm_cv_link_all_option="-Wl,--whole-archive"
251 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
252 llvm_cv_os_type="MingW"
253 llvm_cv_platform_type="Win32" ;;
255 llvm_cv_link_all_option="-Wl,--whole-archive"
256 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
257 llvm_cv_os_type="Haiku"
258 llvm_cv_platform_type="Unix" ;;
260 llvm_cv_link_all_option="-Wl,--whole-archive"
261 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
262 llvm_cv_os_type="Freestanding"
263 llvm_cv_platform_type="Unix" ;;
265 llvm_cv_link_all_option="-Wl,--whole-archive"
266 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
267 llvm_cv_os_type="Freestanding"
268 llvm_cv_platform_type="Unix" ;;
270 llvm_cv_link_all_option=""
271 llvm_cv_no_link_all_option=""
272 llvm_cv_os_type="Unknown"
273 llvm_cv_platform_type="Unknown" ;;
276 AC_CACHE_CHECK([type of operating system we're going to target],
277 [llvm_cv_target_os_type],
280 llvm_cv_target_os_type="AIX" ;;
282 llvm_cv_target_os_type="IRIX" ;;
284 llvm_cv_target_os_type="Cygwin" ;;
286 llvm_cv_target_os_type="Darwin" ;;
288 llvm_cv_target_os_type="Minix" ;;
289 *-*-freebsd* | *-*-kfreebsd-gnu)
290 llvm_cv_target_os_type="FreeBSD" ;;
292 llvm_cv_target_os_type="OpenBSD" ;;
294 llvm_cv_target_os_type="NetBSD" ;;
296 llvm_cv_target_os_type="DragonFly" ;;
298 llvm_cv_target_os_type="HP-UX" ;;
300 llvm_cv_target_os_type="Interix" ;;
302 llvm_cv_target_os_type="Linux" ;;
304 llvm_cv_target_os_type="GNU" ;;
306 llvm_cv_target_os_type="SunOS" ;;
308 llvm_cv_target_os_type="AuroraUX" ;;
310 llvm_cv_target_os_type="Win32" ;;
312 llvm_cv_target_os_type="MingW" ;;
314 llvm_cv_target_os_type="Haiku" ;;
316 llvm_cv_target_os_type="RTEMS" ;;
318 llvm_cv_target_os_type="NativeClient" ;;
320 llvm_cv_target_os_type="Freestanding" ;;
322 llvm_cv_target_os_type="Unknown" ;;
325 dnl Make sure we aren't attempting to configure for an unknown system
326 if test "$llvm_cv_os_type" = "Unknown" ; then
327 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
330 dnl Set the "OS" Makefile variable based on the platform type so the
331 dnl makefile can configure itself to specific build hosts
332 AC_SUBST(OS,$llvm_cv_os_type)
333 AC_SUBST(HOST_OS,$llvm_cv_os_type)
334 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
336 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
337 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
338 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
340 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
341 dnl This is used by lib/Support to determine the basic kind of implementation
343 case $llvm_cv_platform_type in
345 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
346 AC_SUBST(LLVM_ON_UNIX,[1])
347 AC_SUBST(LLVM_ON_WIN32,[0])
350 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
351 AC_SUBST(LLVM_ON_UNIX,[0])
352 AC_SUBST(LLVM_ON_WIN32,[1])
356 dnl Determine what our target architecture is and configure accordingly.
357 dnl This will allow Makefiles to make a distinction between the hardware and
359 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
361 i?86-*) llvm_cv_target_arch="x86" ;;
362 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
363 sparc*-*) llvm_cv_target_arch="Sparc" ;;
364 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
365 arm*-*) llvm_cv_target_arch="ARM" ;;
366 mips-*) llvm_cv_target_arch="Mips" ;;
367 mipsel-*) llvm_cv_target_arch="Mips" ;;
368 xcore-*) llvm_cv_target_arch="XCore" ;;
369 msp430-*) llvm_cv_target_arch="MSP430" ;;
370 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
371 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
372 ptx-*) llvm_cv_target_arch="PTX" ;;
373 *) llvm_cv_target_arch="Unknown" ;;
376 if test "$llvm_cv_target_arch" = "Unknown" ; then
377 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
380 dnl Determine the LLVM native architecture for the target
381 case "$llvm_cv_target_arch" in
382 x86) LLVM_NATIVE_ARCH="X86" ;;
383 x86_64) LLVM_NATIVE_ARCH="X86" ;;
384 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
387 dnl Define a substitution, ARCH, for the target architecture
388 AC_SUBST(ARCH,$llvm_cv_target_arch)
390 dnl Check for the endianness of the target
391 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
393 dnl Check for build platform executable suffix if we're cross-compiling
394 if test "$cross_compiling" = yes; then
395 AC_SUBST(LLVM_CROSS_COMPILING, [1])
397 ac_build_prefix=${build_alias}-
398 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
399 if test -z "$BUILD_CXX"; then
400 AC_CHECK_PROG(BUILD_CXX, g++, g++)
401 if test -z "$BUILD_CXX"; then
402 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
406 AC_SUBST(LLVM_CROSS_COMPILING, [0])
409 dnl Check to see if there's a .svn or .git directory indicating that this
410 dnl build is being done from a checkout. This sets up several defaults for
411 dnl the command line switches. When we build with a checkout directory,
412 dnl we get a debug with assertions turned on. Without, we assume a source
413 dnl release and we get an optimized build without assertions.
414 dnl See --enable-optimized and --enable-assertions below
415 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
418 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
424 dnl===-----------------------------------------------------------------------===
426 dnl=== SECTION 3: Command line arguments for the configure script.
428 dnl===-----------------------------------------------------------------------===
430 dnl --enable-libcpp : check whether or not to use libc++ on the command line
431 AC_ARG_ENABLE(libcpp,
432 AS_HELP_STRING([--enable-libcpp],
433 [Use libc++ if available (default is NO)]),,
436 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
437 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
438 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
439 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
442 dnl --enable-optimized : check whether they want to do an optimized build:
443 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
444 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
445 if test ${enableval} = "no" ; then
446 AC_SUBST(ENABLE_OPTIMIZED,[[]])
448 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
451 dnl --enable-profiling : check whether they want to do a profile build:
452 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
453 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
454 if test ${enableval} = "no" ; then
455 AC_SUBST(ENABLE_PROFILING,[[]])
457 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
460 dnl --enable-assertions : check whether they want to turn on assertions or not:
461 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
462 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
463 if test ${enableval} = "yes" ; then
464 AC_SUBST(DISABLE_ASSERTIONS,[[]])
466 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
469 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
470 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
471 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
472 if test ${enableval} = "yes" ; then
473 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
474 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
476 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
477 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
480 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
481 AC_ARG_ENABLE(debug-runtime,
482 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
483 if test ${enableval} = "no" ; then
484 AC_SUBST(DEBUG_RUNTIME,[[]])
486 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
489 dnl --enable-debug-symbols : should even optimized compiler libraries
490 dnl have debug symbols?
491 AC_ARG_ENABLE(debug-symbols,
492 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)
493 if test ${enableval} = "no" ; then
494 AC_SUBST(DEBUG_SYMBOLS,[[]])
496 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
499 dnl --enable-jit: check whether they want to enable the jit
501 AS_HELP_STRING(--enable-jit,
502 [Enable Just In Time Compiling (default is YES)]),,
504 if test ${enableval} = "no"
508 case "$llvm_cv_target_arch" in
509 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
510 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
511 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
512 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
513 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
514 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
515 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
516 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
517 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
518 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
519 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
520 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
524 dnl Allow enablement of building and installing docs
526 AS_HELP_STRING([--enable-docs],
527 [Build documents (default is YES)]),,
530 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
531 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
532 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
533 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
536 dnl Allow enablement of doxygen generated documentation
537 AC_ARG_ENABLE(doxygen,
538 AS_HELP_STRING([--enable-doxygen],
539 [Build doxygen documentation (default is NO)]),,
542 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
543 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
544 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
545 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
548 dnl Allow disablement of threads
549 AC_ARG_ENABLE(threads,
550 AS_HELP_STRING([--enable-threads],
551 [Use threads if available (default is YES)]),,
554 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
555 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
556 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
557 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
559 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
560 [Define if threads enabled])
562 dnl Allow disablement of pthread.h
563 AC_ARG_ENABLE(pthreads,
564 AS_HELP_STRING([--enable-pthreads],
565 [Use pthreads if available (default is YES)]),,
568 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
569 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
570 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
571 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
574 dnl Allow building without position independent code
576 AS_HELP_STRING([--enable-pic],
577 [Build LLVM with Position Independent Code (default is YES)]),,
580 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
581 no) AC_SUBST(ENABLE_PIC,[0]) ;;
582 default) AC_SUBST(ENABLE_PIC,[1]) ;;
583 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
585 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
586 [Define if position independent code is enabled])
588 dnl Allow building a shared library and linking tools against it.
589 AC_ARG_ENABLE(shared,
590 AS_HELP_STRING([--enable-shared],
591 [Build a shared library and link tools against it (default is NO)]),,
594 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
595 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
596 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
597 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
600 dnl Allow libstdc++ is embedded in LLVM.dll.
601 AC_ARG_ENABLE(embed-stdcxx,
602 AS_HELP_STRING([--enable-embed-stdcxx],
603 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
606 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
607 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
608 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
609 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
612 dnl Enable embedding timestamp information into build.
613 AC_ARG_ENABLE(timestamps,
614 AS_HELP_STRING([--enable-timestamps],
615 [Enable embedding timestamp information in build (default is YES)]),,
618 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
619 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
620 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
621 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
623 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
624 [Define if timestamp information (e.g., __DATE___) is allowed])
626 dnl Allow specific targets to be specified for building (or not)
628 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
629 [Build specific host targets: all or target1,target2,... Valid targets are:
630 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
631 xcore, msp430, ptx, and cpp (default=all)]),,
633 if test "$enableval" = host-only ; then
637 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CppBackend MBlaze PTX Hexagon" ;;
638 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
640 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
641 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
642 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
643 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
644 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
645 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
646 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
647 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
648 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
649 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
650 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
651 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
652 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
653 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
654 host) case "$llvm_cv_target_arch" in
655 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
656 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
657 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
658 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
659 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
660 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
661 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
662 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
663 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
664 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
665 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
666 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
667 *) AC_MSG_ERROR([Can not set target to build]) ;;
669 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
674 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
676 dnl Determine whether we are building LLVM support for the native architecture.
677 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
678 for a_target in $TARGETS_TO_BUILD; do
679 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
680 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
681 [LLVM architecture name for the native architecture, if available])
682 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
683 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
684 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
685 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
686 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
687 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
689 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
690 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
692 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
693 [LLVM name for the native Target init function, if available])
694 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
695 [LLVM name for the native TargetInfo init function, if available])
696 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
697 [LLVM name for the native target MC init function, if available])
698 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
699 [LLVM name for the native AsmPrinter init function, if available])
700 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
701 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
702 [LLVM name for the native AsmParser init function, if available])
704 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
705 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
706 [LLVM name for the native Disassembler init function, if available])
711 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
712 dnl target feature def files.
714 LLVM_ENUM_ASM_PRINTERS=""
715 LLVM_ENUM_ASM_PARSERS=""
716 LLVM_ENUM_DISASSEMBLERS=""
717 for target_to_build in $TARGETS_TO_BUILD; do
718 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
719 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
720 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
722 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
723 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
725 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
726 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
729 AC_SUBST(LLVM_ENUM_TARGETS)
730 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
731 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
732 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
734 dnl Override the option to use for optimized builds.
735 AC_ARG_WITH(optimize-option,
736 AS_HELP_STRING([--with-optimize-option],
737 [Select the compiler options to use for optimized builds]),,
739 AC_MSG_CHECKING([optimization flags])
742 case "$llvm_cv_os_type" in
743 FreeBSD) optimize_option=-O2 ;;
744 MingW) optimize_option=-O2 ;;
745 *) optimize_option=-O3 ;;
747 *) optimize_option="$withval" ;;
749 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
750 AC_MSG_RESULT([$optimize_option])
752 dnl Specify extra build options
753 AC_ARG_WITH(extra-options,
754 AS_HELP_STRING([--with-extra-options],
755 [Specify additional options to compile LLVM with]),,
758 default) EXTRA_OPTIONS= ;;
759 *) EXTRA_OPTIONS=$withval ;;
761 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
763 dnl Specify extra linker build options
764 AC_ARG_WITH(extra-ld-options,
765 AS_HELP_STRING([--with-extra-ld-options],
766 [Specify additional options to link LLVM with]),,
769 default) EXTRA_LD_OPTIONS= ;;
770 *) EXTRA_LD_OPTIONS=$withval ;;
772 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
774 dnl Allow specific bindings to be specified for building (or not)
775 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
776 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
780 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
781 all ) BINDINGS_TO_BUILD="ocaml" ;;
782 none | no) BINDINGS_TO_BUILD="" ;;
783 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
785 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
786 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
792 dnl Allow the ocaml libdir to be overridden. This could go in a configure
793 dnl script for bindings/ocaml/configure, except that its auto value depends on
794 dnl OCAMLC, which is found here to support tests.
795 AC_ARG_WITH([ocaml-libdir],
796 [AS_HELP_STRING([--with-ocaml-libdir],
797 [Specify install location for ocaml bindings (default is stdlib)])],
801 auto) with_ocaml_libdir="$withval" ;;
802 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
803 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
806 AC_ARG_WITH(clang-srcdir,
807 AS_HELP_STRING([--with-clang-srcdir],
808 [Directory to the out-of-tree Clang source]),,
811 -) clang_src_root="" ;;
812 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
813 *) clang_src_root="$ac_pwd/$withval" ;;
815 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
817 AC_ARG_WITH(clang-resource-dir,
818 AS_HELP_STRING([--with-clang-resource-dir],
819 [Relative directory from the Clang binary for resource files]),,
821 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
822 [Relative directory for resource files])
824 AC_ARG_WITH(c-include-dirs,
825 AS_HELP_STRING([--with-c-include-dirs],
826 [Colon separated list of directories clang will search for headers]),,
828 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
829 [Directories clang will search for headers])
831 # Clang normally uses the system c++ headers and libraries. With this option,
832 # clang will use the ones provided by a gcc installation instead. This option should
833 # be passed the same value that was used with --prefix when configuring gcc.
834 AC_ARG_WITH(gcc-toolchain,
835 AS_HELP_STRING([--with-gcc-toolchain],
836 [Directory where gcc is installed.]),,
838 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
839 [Directory where gcc is installed.])
842 AS_HELP_STRING([--with-default-sysroot],
843 [Add --sysroot=<path> to all compiler invocations.]),,
845 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
846 [Default <path> to all compiler invocations for --sysroot=<path>.])
848 dnl Allow linking of LLVM with GPLv3 binutils code.
849 AC_ARG_WITH(binutils-include,
850 AS_HELP_STRING([--with-binutils-include],
851 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
854 default) WITH_BINUTILS_INCDIR=default ;;
855 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$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 Find the install program
1010 dnl Prepend src dir to install path dir if it's a relative path
1011 dnl This is a hack for installs that take place in something other
1012 dnl than the top level.
1014 [[\\/$]]* | ?:[[\\/]]* ) ;;
1015 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1018 dnl Checks for documentation and testing tools that we can do without. If these
1019 dnl are not found then they are set to "true" which always succeeds but does
1020 dnl nothing. This just lets the build output show that we could have done
1021 dnl something if the tool was available.
1022 AC_PATH_PROG(BZIP2, [bzip2])
1023 AC_PATH_PROG(CAT, [cat])
1024 AC_PATH_PROG(DOXYGEN, [doxygen])
1025 AC_PATH_PROG(GROFF, [groff])
1026 AC_PATH_PROG(GZIPBIN, [gzip])
1027 AC_PATH_PROG(POD2HTML, [pod2html])
1028 AC_PATH_PROG(POD2MAN, [pod2man])
1029 AC_PATH_PROG(PDFROFF, [pdfroff])
1030 AC_PATH_PROG(RUNTEST, [runtest])
1032 AC_PATH_PROG(ZIP, [zip])
1033 AC_PATH_PROGS(OCAMLC, [ocamlc])
1034 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1035 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1036 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1037 AC_PATH_PROGS(GAS, [gas as])
1039 dnl Get the version of the linker in use.
1042 dnl Determine whether the linker supports the -R option.
1045 dnl Determine whether the linker supports the -export-dynamic option.
1046 AC_LINK_EXPORT_DYNAMIC
1048 dnl Determine whether the linker supports the --version-script option.
1049 AC_LINK_VERSION_SCRIPT
1051 dnl Check for libtool and the library that has dlopen function (which must come
1052 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1057 AC_MSG_CHECKING([tool compatibility])
1059 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1060 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1061 dnl to support those options.
1062 dnl "icc" emits gcc signatures
1063 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1075 if test "$GCC" != "yes" && test "$ICC" != "yes"
1077 AC_MSG_ERROR([gcc|icc required but not found])
1080 dnl Ensure that compilation tools are compatible with GCC extensions
1081 if test "$GXX" != "yes" && test "$IXX" != "yes"
1083 AC_MSG_ERROR([g++|clang++|icc required but not found])
1086 dnl Verify that GCC is version 3.0 or higher
1087 if test "$GCC" = "yes"
1089 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1090 #error Unsupported GCC version
1092 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1095 dnl Check for GNU Make. We use its extensions, so don't build without it
1096 if test -z "$llvm_cv_gnu_make_command"
1098 AC_MSG_ERROR([GNU Make required but not found])
1101 dnl Tool compatibility is okay if we make it here.
1104 dnl Check optional compiler flags.
1105 AC_MSG_CHECKING([optional compiler flags])
1106 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1107 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1108 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1109 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1111 dnl===-----------------------------------------------------------------------===
1113 dnl=== SECTION 5: Check for libraries
1115 dnl===-----------------------------------------------------------------------===
1118 if test "$llvm_cv_os_type" = "MingW" ; then
1119 AC_CHECK_LIB(imagehlp, main)
1120 AC_CHECK_LIB(psapi, main)
1123 dnl dlopen() is required for plugin support.
1124 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1125 [Define if dlopen() is available on this platform.]),
1126 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1128 dnl libffi is optional; used to call external functions from the interpreter
1129 if test "$llvm_cv_enable_libffi" = "yes" ; then
1130 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1131 [Define if libffi is available on this platform.]),
1132 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1135 dnl mallinfo is optional; the code can compile (minus features) without it
1136 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1137 [Define if mallinfo() is available on this platform.]))
1139 dnl pthread locking functions are optional - but llvm will not be thread-safe
1141 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1142 AC_CHECK_LIB(pthread, pthread_mutex_init)
1143 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1144 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1145 [Have pthread_mutex_lock]))
1146 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1147 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1148 [Have pthread_rwlock_init]))
1149 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1150 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1151 [Have pthread_getspecific]))
1154 dnl Allow extra x86-disassembler library
1156 AS_HELP_STRING([--with-udis86=<path>],
1157 [Use udis86 external x86 disassembler library]),
1159 AC_SUBST(USE_UDIS86, [1])
1162 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1164 AC_CHECK_LIB(udis86, ud_init, [], [
1165 echo "Error! You need to have libudis86 around."
1169 AC_SUBST(USE_UDIS86, [0]))
1170 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1171 [Define if use udis86 library])
1173 dnl Allow OProfile support for JIT output.
1174 AC_ARG_WITH(oprofile,
1175 AS_HELP_STRING([--with-oprofile=<prefix>],
1176 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1178 AC_SUBST(USE_OPROFILE, [1])
1180 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1182 AC_SUBST(USE_OPROFILE, [0]) ;;
1183 *) llvm_cv_oppath="${withval}/lib/oprofile"
1184 CPPFLAGS="-I${withval}/include";;
1186 case $llvm_cv_os_type in
1188 if test -n "$llvm_cv_oppath" ; then
1189 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1190 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1191 dnl libbfd is not included properly in libopagent in some Debian
1192 dnl versions. If libbfd isn't found at all, we assume opagent works
1194 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1195 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1196 echo "Error! You need to have libopagent around."
1199 AC_CHECK_HEADER([opagent.h], [], [
1200 echo "Error! You need to have opagent.h around."
1205 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1209 AC_SUBST(USE_OPROFILE, [0])
1211 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1212 [Define if we have the oprofile JIT-support library])
1214 dnl Enable support for Intel JIT Events API.
1215 AC_ARG_WITH(intel-jitevents,
1216 AS_HELP_STRING([--with-intel-jitevents=<vtune-amplifier-dir>],
1217 [Specify location of run-time support library for Intel JIT API (default=/opt/intel/vtune_amplifier_xe_2011)]),
1219 case $llvm_cv_os_type in
1220 Linux|Win32|Cygwin|MingW) ;;
1223 Intel JIT API support is available on Linux and Windows only."]) ;;
1226 AC_SUBST(USE_INTEL_JITEVENTS, [1])
1227 case "$llvm_cv_target_arch" in
1228 x86) llvm_intel_jitevents_archdir="lib32";;
1229 x86_64) llvm_intel_jitevents_archdir="lib64";;
1230 *) echo "Target architecture $llvm_cv_target_arch does not support Intel JIT Events API"
1233 INTEL_JITEVENTS_INCDIR="/opt/intel/vtune_amplifier_xe_2011/include"
1234 INTEL_JITEVENTS_LIBDIR="/opt/intel/vtune_amplifier_xe_2011/$llvm_intel_jitevents_archdir"
1236 /* | [[A-Za-z]]:[[\\/]]*) INTEL_JITEVENTS_INCDIR=$withval/include
1237 INTEL_JITEVENTS_LIBDIR=$withval/$llvm_intel_jitevents_archdir ;;
1241 AC_SUBST(INTEL_JITEVENTS_INCDIR)
1242 AC_SUBST(INTEL_JITEVENTS_LIBDIR)
1244 LIBS="$LIBS -L${INTEL_JITEVENTS_LIBDIR}"
1245 CPPFLAGS="$CPPFLAGS -I$INTEL_JITEVENTS_INCDIR"
1247 AC_SEARCH_LIBS(iJIT_IsProfilingActive, jitprofiling, [], [
1248 echo "Error! Cannot find libjitprofiling.a. Please check path specified in flag --with-intel-jitevents"
1251 AC_CHECK_HEADER([jitprofiling.h], [], [
1252 echo "Error! Cannot find jitprofiling.h. Please check path specified in flag --with-intel-jitevents"
1258 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1260 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1261 [Define if we have the Intel JIT API runtime support library])
1263 dnl===-----------------------------------------------------------------------===
1265 dnl=== SECTION 6: Check for header files
1267 dnl===-----------------------------------------------------------------------===
1269 dnl First, use autoconf provided macros for specific headers that we need
1270 dnl We don't check for ancient stuff or things that are guaranteed to be there
1271 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1272 dnl Generally we're looking for POSIX headers.
1274 AC_HEADER_MMAP_ANONYMOUS
1279 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1280 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1281 AC_CHECK_HEADERS([utime.h windows.h])
1282 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1283 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1284 AC_CHECK_HEADERS([valgrind/valgrind.h])
1285 AC_CHECK_HEADERS([fenv.h])
1286 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1287 AC_CHECK_HEADERS(pthread.h,
1288 AC_SUBST(HAVE_PTHREAD, 1),
1289 AC_SUBST(HAVE_PTHREAD, 0))
1291 AC_SUBST(HAVE_PTHREAD, 0)
1294 dnl Try to find ffi.h.
1295 if test "$llvm_cv_enable_libffi" = "yes" ; then
1296 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1299 dnl Try to find Darwin specific crash reporting libraries.
1300 AC_CHECK_HEADERS([CrashReporterClient.h])
1302 dnl Try to find Darwin specific crash reporting global.
1303 AC_MSG_CHECKING([__crashreporter_info__])
1306 [[extern const char *__crashreporter_info__;
1308 __crashreporter_info__ = "test";
1313 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1315 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1316 Define if __crashreporter_info__ exists.))
1318 dnl===-----------------------------------------------------------------------===
1320 dnl=== SECTION 7: Check for types and structures
1322 dnl===-----------------------------------------------------------------------===
1327 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1329 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1330 AC_CHECK_TYPES([uint64_t],,
1331 AC_CHECK_TYPES([u_int64_t],,
1332 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1334 dnl===-----------------------------------------------------------------------===
1336 dnl=== SECTION 8: Check for specific functions needed
1338 dnl===-----------------------------------------------------------------------===
1340 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1341 AC_CHECK_FUNCS([powf fmodf strtof round ])
1342 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1343 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1344 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1345 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1346 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1347 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1351 dnl Check the declaration "Secure API" on Windows environments.
1352 AC_CHECK_DECLS([strerror_s])
1354 dnl Check symbols in libgcc.a for JIT on Mingw.
1355 if test "$llvm_cv_os_type" = "MingW" ; then
1356 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1357 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1358 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1359 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1361 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1362 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1363 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1364 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1365 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1366 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1367 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1368 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1369 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1370 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1372 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1373 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1376 dnl Check Win32 API EnumerateLoadedModules.
1377 if test "$llvm_cv_os_type" = "MingW" ; then
1378 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1379 AC_COMPILE_IFELSE([[#include <windows.h>
1380 #include <imagehlp.h>
1381 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1382 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1384 AC_MSG_RESULT([yes])
1385 llvm_cv_win32_elmcb_pcstr="PCSTR"
1389 llvm_cv_win32_elmcb_pcstr="PSTR"
1391 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1394 dnl Check for variations in the Standard C++ library and STL. These macros are
1395 dnl provided by LLVM in the autoconf/m4 directory.
1399 dnl Check for mmap support.We also need to know if /dev/zero is required to
1400 dnl be opened for allocating RWX memory.
1401 dnl Make sure we aren't attempting to configure for an unknown system
1402 if test "$llvm_cv_platform_type" = "Unix" ; then
1405 AC_NEED_DEV_ZERO_FOR_MMAP
1407 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1409 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1411 if test "$ac_cv_func_mmap_file" = "no"
1413 AC_MSG_WARN([mmap() of files required but not found])
1417 dnl atomic builtins are required for threading support.
1418 AC_MSG_CHECKING(for GCC atomic builtins)
1419 dnl Since we'll be using these atomic builtins in C++ files we should test
1420 dnl the C++ compiler.
1425 volatile unsigned long val = 1;
1426 __sync_synchronize();
1427 __sync_val_compare_and_swap(&val, 1, 0);
1428 __sync_add_and_fetch(&val, 1);
1429 __sync_sub_and_fetch(&val, 1);
1435 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1437 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1438 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1440 dnl===-----------------------------------------------------------------------===
1442 dnl=== SECTION 9: Additional checks, variables, etc.
1444 dnl===-----------------------------------------------------------------------===
1446 dnl Handle 32-bit linux systems running a 64-bit kernel.
1447 dnl This has to come after section 4 because it invokes the compiler.
1448 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1450 if test "$llvm_cv_linux_mixed" = "yes"; then
1451 llvm_cv_target_arch="x86"
1456 dnl Check whether __dso_handle is present
1457 AC_CHECK_FUNCS([__dso_handle])
1459 dnl Propagate the shared library extension that the libltdl checks did to
1460 dnl the Makefiles so we can use it there too
1461 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1463 dnl Propagate the run-time library path variable that the libltdl
1464 dnl checks found to the Makefiles so we can use it there too
1465 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1467 dnl Translate the various configuration directories and other basic
1468 dnl information into substitutions that will end up in Makefile.config.in
1469 dnl that these configured values can be used by the makefiles
1470 if test "${prefix}" = "NONE" ; then
1473 eval LLVM_PREFIX="${prefix}";
1474 eval LLVM_BINDIR="${prefix}/bin";
1475 eval LLVM_LIBDIR="${prefix}/lib";
1476 eval LLVM_DATADIR="${prefix}/share/llvm";
1477 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1478 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1479 eval LLVM_INCLUDEDIR="${prefix}/include";
1480 eval LLVM_INFODIR="${prefix}/info";
1481 eval LLVM_MANDIR="${prefix}/man";
1482 LLVM_CONFIGTIME=`date`
1483 AC_SUBST(LLVM_PREFIX)
1484 AC_SUBST(LLVM_BINDIR)
1485 AC_SUBST(LLVM_LIBDIR)
1486 AC_SUBST(LLVM_DATADIR)
1487 AC_SUBST(LLVM_DOCSDIR)
1488 AC_SUBST(LLVM_ETCDIR)
1489 AC_SUBST(LLVM_INCLUDEDIR)
1490 AC_SUBST(LLVM_INFODIR)
1491 AC_SUBST(LLVM_MANDIR)
1492 AC_SUBST(LLVM_CONFIGTIME)
1494 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1495 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1496 LLVM_CONFIGTIME="(timestamp not enabled)"
1499 dnl Place the various directories into the config.h file as #defines so that we
1500 dnl can know about the installation paths within LLVM.
1501 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1502 [Installation prefix directory])
1503 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1504 [Installation directory for binary executables])
1505 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1506 [Installation directory for libraries])
1507 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1508 [Installation directory for data files])
1509 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1510 [Installation directory for documentation])
1511 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1512 [Installation directory for config files])
1513 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1514 [Installation directory for include files])
1515 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1516 [Installation directory for .info files])
1517 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1518 [Installation directory for man pages])
1519 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1520 [Time at which LLVM was configured])
1521 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1522 [Target triple LLVM will generate code for by default])
1524 dnl Determine which bindings to build.
1525 if test "$BINDINGS_TO_BUILD" = auto ; then
1526 BINDINGS_TO_BUILD=""
1527 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1528 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1531 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1533 dnl This isn't really configurey, but it avoids having to repeat the list in
1535 AC_SUBST(ALL_BINDINGS,ocaml)
1537 dnl Do any work necessary to ensure that bindings have what they need.
1538 binding_prereqs_failed=0
1539 for a_binding in $BINDINGS_TO_BUILD ; do
1540 case "$a_binding" in
1542 if test "x$OCAMLC" = x ; then
1543 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1544 binding_prereqs_failed=1
1546 if test "x$OCAMLDEP" = x ; then
1547 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1548 binding_prereqs_failed=1
1550 if test "x$OCAMLOPT" = x ; then
1551 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1552 dnl ocamlopt is optional!
1554 if test "x$with_ocaml_libdir" != xauto ; then
1555 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1557 ocaml_stdlib="`"$OCAMLC" -where`"
1558 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1560 # ocaml stdlib is beneath our prefix; use stdlib
1561 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1563 # ocaml stdlib is outside our prefix; use libdir/ocaml
1564 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1570 if test "$binding_prereqs_failed" = 1 ; then
1571 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1574 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1575 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1577 dnl Determine linker rpath flag
1578 if test "$llvm_cv_link_use_r" = "yes" ; then
1585 dnl Determine linker rdynamic flag
1586 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1587 RDYNAMIC="-Wl,-export-dynamic"
1593 dnl===-----------------------------------------------------------------------===
1595 dnl=== SECTION 10: Specify the output files and generate it
1597 dnl===-----------------------------------------------------------------------===
1599 dnl Configure header files
1600 dnl WARNING: dnl If you add or remove any of the following config headers, then
1601 dnl you MUST also update Makefile so that the variable FilesToConfig
1602 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1603 dnl files can be updated automatically when their *.in sources change.
1604 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1605 AH_TOP([#ifndef CONFIG_H
1609 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1610 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1611 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1612 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1613 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1615 dnl Configure the makefile's configuration data
1616 AC_CONFIG_FILES([Makefile.config])
1618 dnl Configure the RPM spec file for LLVM
1619 AC_CONFIG_FILES([llvm.spec])
1621 dnl Configure doxygen's configuration file
1622 AC_CONFIG_FILES([docs/doxygen.cfg])
1624 dnl Configure clang, if present
1625 if test "${clang_src_root}" = ""; then
1626 clang_src_root="$srcdir/tools/clang"
1628 if test -f ${clang_src_root}/README.txt; then
1629 dnl Use variables to stay under 80 columns.
1630 configh="include/clang/Config/config.h"
1631 doxy="docs/doxygen.cfg"
1632 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1633 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1636 dnl OCaml findlib META file
1637 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1639 dnl Do special configuration of Makefiles
1640 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1641 AC_CONFIG_MAKEFILE(Makefile)
1642 AC_CONFIG_MAKEFILE(Makefile.common)
1643 AC_CONFIG_MAKEFILE(examples/Makefile)
1644 AC_CONFIG_MAKEFILE(lib/Makefile)
1645 AC_CONFIG_MAKEFILE(runtime/Makefile)
1646 AC_CONFIG_MAKEFILE(test/Makefile)
1647 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1648 AC_CONFIG_MAKEFILE(unittests/Makefile)
1649 AC_CONFIG_MAKEFILE(tools/Makefile)
1650 AC_CONFIG_MAKEFILE(utils/Makefile)
1651 AC_CONFIG_MAKEFILE(projects/Makefile)
1652 AC_CONFIG_MAKEFILE(bindings/Makefile)
1653 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1655 dnl Finally, crank out the output