1 dnl **************************************************************************
3 dnl **************************************************************************
4 AC_INIT([[[SAMPLE]]],[[[x.xx]]],[bugs@yourdomain])
6 dnl Identify where LLVM source tree is
10 dnl Find absolute paths to LLVM source and object trees
11 LLVM_ABS_SRC_ROOT="`cd $srcdir ; cd $LLVM_SRC_ROOT ; pwd`"
12 LLVM_ABS_OBJ_ROOT="`cd $LLVM_OBJ_ROOT ; pwd`"
14 dnl Tell autoconf that this is an LLVM project being configured
15 dnl This provides the --with-llvmsrc and --with-llvmobj options
16 LLVM_CONFIG_PROJECT($LLVM_ABS_SRC_ROOT,$LLVM_ABS_OBJ_ROOT)
18 dnl Try and find an llvm-config in the build directory. We are only using this
19 dnl to detect the package level LLVM information (currently just the version),
20 dnl so we just whatever one we find regardless of build mode.
21 AC_MSG_CHECKING([llvm-config])
22 llvm_config_path="`ls -1 $llvm_obj/*/bin/llvm-config 2> /dev/null | head -1`"
23 if ! test -f "$llvm_config_path" ; then
26 AC_MSG_RESULT([$llvm_config_path])
28 dnl Determine the LLVM version, which may be required by the current Makefile
30 AC_MSG_CHECKING([LLVM package version])
31 if test "$llvm_config_path" != no ; then
32 llvm_package_version=`$llvm_config_path --version`
34 llvm_package_version="unknown";
36 AC_MSG_RESULT([$llvm_package_version])
37 AC_SUBST(LLVM_VERSION, [$llvm_package_version])
39 dnl Verify that the source directory is valid
40 AC_CONFIG_SRCDIR(["Makefile.common.in"])
42 dnl Place all of the extra autoconf files into the config subdirectory. Tell
43 dnl various tools where the m4 autoconf macros are.
44 AC_CONFIG_AUX_DIR([autoconf])
46 dnl **************************************************************************
47 dnl Begin LLVM configure.ac Import
48 dnl **************************************************************************
50 dnl Derived from LLVM's configure.ac. This was imported directly here so that we
51 dnl could reuse LLVM's build infrastructure without introducing a direct source
52 dnl dependency on the LLVM files.
54 dnl We need to check for the compiler up here to avoid anything else
55 dnl starting with a different one.
56 AC_PROG_CC(clang llvm-gcc gcc)
57 AC_PROG_CXX(clang++ llvm-g++ g++)
60 dnl Configure all of the projects present in our source tree. While we could
61 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
62 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
63 dnl Instead we match on the known projects.
66 dnl One tricky part of doing this is that some projects depend upon other
67 dnl projects. For example, several projects rely upon the LLVM test suite.
68 dnl We want to configure those projects first so that their object trees are
69 dnl created before running the configure scripts of projects that depend upon
73 dnl Disable the build of polly, even if it is checked out into tools/polly.
75 AS_HELP_STRING([--enable-polly],
76 [Use polly if available (default is YES)]),,
79 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
80 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
81 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
82 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
86 dnl Check if polly is checked out into tools/polly and configure it if
88 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
89 AC_SUBST(LLVM_HAS_POLLY,1)
90 AC_CONFIG_SUBDIRS([tools/polly])
93 dnl===-----------------------------------------------------------------------===
95 dnl=== SECTION 2: Architecture, target, and host checks
97 dnl===-----------------------------------------------------------------------===
99 dnl Check the target for which we're compiling and the host that will do the
100 dnl compilations. This will tell us which LLVM compiler will be used for
101 dnl compiling SSA into object code. This needs to be done early because
102 dnl following tests depend on it.
105 dnl Determine the platform type and cache its value. This helps us configure
106 dnl the System library to the correct build platform.
107 AC_CACHE_CHECK([type of operating system we're going to host on],
111 llvm_cv_link_all_option="-Wl,--whole-archive"
112 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
113 llvm_cv_os_type="AIX"
114 llvm_cv_platform_type="Unix" ;;
116 llvm_cv_link_all_option="-Wl,--whole-archive"
117 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
118 llvm_cv_os_type="IRIX"
119 llvm_cv_platform_type="Unix" ;;
121 llvm_cv_link_all_option="-Wl,--whole-archive"
122 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
123 llvm_cv_os_type="Cygwin"
124 llvm_cv_platform_type="Unix" ;;
126 llvm_cv_link_all_option="-Wl,-all_load"
127 llvm_cv_no_link_all_option="-Wl,-noall_load"
128 llvm_cv_os_type="Darwin"
129 llvm_cv_platform_type="Unix" ;;
131 llvm_cv_link_all_option="-Wl,-all_load"
132 llvm_cv_no_link_all_option="-Wl,-noall_load"
133 llvm_cv_os_type="Minix"
134 llvm_cv_platform_type="Unix" ;;
135 *-*-freebsd* | *-*-kfreebsd-gnu)
136 llvm_cv_link_all_option="-Wl,--whole-archive"
137 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
138 llvm_cv_os_type="FreeBSD"
139 llvm_cv_platform_type="Unix" ;;
141 llvm_cv_link_all_option="-Wl,--whole-archive"
142 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
143 llvm_cv_os_type="OpenBSD"
144 llvm_cv_platform_type="Unix" ;;
146 llvm_cv_link_all_option="-Wl,--whole-archive"
147 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
148 llvm_cv_os_type="NetBSD"
149 llvm_cv_platform_type="Unix" ;;
151 llvm_cv_link_all_option="-Wl,--whole-archive"
152 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
153 llvm_cv_os_type="DragonFly"
154 llvm_cv_platform_type="Unix" ;;
156 llvm_cv_link_all_option="-Wl,--whole-archive"
157 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
158 llvm_cv_os_type="HP-UX"
159 llvm_cv_platform_type="Unix" ;;
161 llvm_cv_link_all_option="-Wl,--whole-archive"
162 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
163 llvm_cv_os_type="Interix"
164 llvm_cv_platform_type="Unix" ;;
166 llvm_cv_link_all_option="-Wl,--whole-archive"
167 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
168 llvm_cv_os_type="Linux"
169 llvm_cv_platform_type="Unix" ;;
171 llvm_cv_link_all_option="-Wl,--whole-archive"
172 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
173 llvm_cv_os_type="GNU"
174 llvm_cv_platform_type="Unix" ;;
176 llvm_cv_link_all_option="-Wl,-z,allextract"
177 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
178 llvm_cv_os_type="SunOS"
179 llvm_cv_platform_type="Unix" ;;
181 llvm_cv_link_all_option="-Wl,-z,allextract"
182 llvm_cv_link_all_option="-Wl,-z,defaultextract"
183 llvm_cv_os_type="AuroraUX"
184 llvm_cv_platform_type="Unix" ;;
186 llvm_cv_link_all_option="-Wl,--whole-archive"
187 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
188 llvm_cv_os_type="Win32"
189 llvm_cv_platform_type="Win32" ;;
191 llvm_cv_link_all_option="-Wl,--whole-archive"
192 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
193 llvm_cv_os_type="MingW"
194 llvm_cv_platform_type="Win32" ;;
196 llvm_cv_link_all_option="-Wl,--whole-archive"
197 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
198 llvm_cv_os_type="Haiku"
199 llvm_cv_platform_type="Unix" ;;
201 llvm_cv_link_all_option="-Wl,--whole-archive"
202 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
203 llvm_cv_os_type="Freestanding"
204 llvm_cv_platform_type="Unix" ;;
206 llvm_cv_link_all_option="-Wl,--whole-archive"
207 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
208 llvm_cv_os_type="Freestanding"
209 llvm_cv_platform_type="Unix" ;;
211 llvm_cv_link_all_option=""
212 llvm_cv_no_link_all_option=""
213 llvm_cv_os_type="Unknown"
214 llvm_cv_platform_type="Unknown" ;;
217 AC_CACHE_CHECK([type of operating system we're going to target],
218 [llvm_cv_target_os_type],
221 llvm_cv_target_os_type="AIX" ;;
223 llvm_cv_target_os_type="IRIX" ;;
225 llvm_cv_target_os_type="Cygwin" ;;
227 llvm_cv_target_os_type="Darwin" ;;
229 llvm_cv_target_os_type="Minix" ;;
230 *-*-freebsd* | *-*-kfreebsd-gnu)
231 llvm_cv_target_os_type="FreeBSD" ;;
233 llvm_cv_target_os_type="OpenBSD" ;;
235 llvm_cv_target_os_type="NetBSD" ;;
237 llvm_cv_target_os_type="DragonFly" ;;
239 llvm_cv_target_os_type="HP-UX" ;;
241 llvm_cv_target_os_type="Interix" ;;
243 llvm_cv_target_os_type="Linux" ;;
245 llvm_cv_target_os_type="GNU" ;;
247 llvm_cv_target_os_type="SunOS" ;;
249 llvm_cv_target_os_type="AuroraUX" ;;
251 llvm_cv_target_os_type="Win32" ;;
253 llvm_cv_target_os_type="MingW" ;;
255 llvm_cv_target_os_type="Haiku" ;;
257 llvm_cv_target_os_type="RTEMS" ;;
259 llvm_cv_target_os_type="NativeClient" ;;
261 llvm_cv_target_os_type="Freestanding" ;;
263 llvm_cv_target_os_type="Unknown" ;;
266 dnl Make sure we aren't attempting to configure for an unknown system
267 if test "$llvm_cv_os_type" = "Unknown" ; then
268 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
271 dnl Set the "OS" Makefile variable based on the platform type so the
272 dnl makefile can configure itself to specific build hosts
273 AC_SUBST(OS,$llvm_cv_os_type)
274 AC_SUBST(HOST_OS,$llvm_cv_os_type)
275 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
277 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
278 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
279 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
281 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
282 dnl This is used by lib/Support to determine the basic kind of implementation
284 case $llvm_cv_platform_type in
286 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
287 AC_SUBST(LLVM_ON_UNIX,[1])
288 AC_SUBST(LLVM_ON_WIN32,[0])
291 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
292 AC_SUBST(LLVM_ON_UNIX,[0])
293 AC_SUBST(LLVM_ON_WIN32,[1])
297 dnl Determine what our target architecture is and configure accordingly.
298 dnl This will allow Makefiles to make a distinction between the hardware and
300 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
302 i?86-*) llvm_cv_target_arch="x86" ;;
303 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
304 sparc*-*) llvm_cv_target_arch="Sparc" ;;
305 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
306 arm*-*) llvm_cv_target_arch="ARM" ;;
307 mips-*) llvm_cv_target_arch="Mips" ;;
308 xcore-*) llvm_cv_target_arch="XCore" ;;
309 msp430-*) llvm_cv_target_arch="MSP430" ;;
310 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
311 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
312 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
313 *) llvm_cv_target_arch="Unknown" ;;
316 if test "$llvm_cv_target_arch" = "Unknown" ; then
317 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
320 # Determine the LLVM native architecture for the target
321 case "$llvm_cv_target_arch" in
322 x86) LLVM_NATIVE_ARCH="X86" ;;
323 x86_64) LLVM_NATIVE_ARCH="X86" ;;
324 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
327 dnl Define a substitution, ARCH, for the target architecture
328 AC_SUBST(ARCH,$llvm_cv_target_arch)
330 dnl Check for the endianness of the target
331 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
333 dnl Check for build platform executable suffix if we're crosscompiling
334 if test "$cross_compiling" = yes; then
335 AC_SUBST(LLVM_CROSS_COMPILING, [1])
337 ac_build_prefix=${build_alias}-
338 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
339 if test -z "$BUILD_CXX"; then
340 AC_CHECK_PROG(BUILD_CXX, g++, g++)
341 if test -z "$BUILD_CXX"; then
342 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
346 AC_SUBST(LLVM_CROSS_COMPILING, [0])
349 dnl Check to see if there's a .svn or .git directory indicating that this
350 dnl build is being done from a checkout. This sets up several defaults for
351 dnl the command line switches. When we build with a checkout directory,
352 dnl we get a debug with assertions turned on. Without, we assume a source
353 dnl release and we get an optimized build without assertions.
354 dnl See --enable-optimized and --enable-assertions below
355 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
358 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
364 dnl===-----------------------------------------------------------------------===
366 dnl=== SECTION 3: Command line arguments for the configure script.
368 dnl===-----------------------------------------------------------------------===
370 dnl --enable-libcpp : check whether or not to use libc++ on the command line
371 AC_ARG_ENABLE(libcpp,
372 AS_HELP_STRING([--enable-libcpp],
373 [Use libc++ if available (default is NO)]),,
376 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
377 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
378 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
379 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
382 dnl --enable-optimized : check whether they want to do an optimized build:
383 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
384 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
385 if test ${enableval} = "no" ; then
386 AC_SUBST(ENABLE_OPTIMIZED,[[]])
388 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
391 dnl --enable-profiling : check whether they want to do a profile build:
392 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
393 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
394 if test ${enableval} = "no" ; then
395 AC_SUBST(ENABLE_PROFILING,[[]])
397 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
400 dnl --enable-assertions : check whether they want to turn on assertions or not:
401 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
402 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
403 if test ${enableval} = "yes" ; then
404 AC_SUBST(DISABLE_ASSERTIONS,[[]])
406 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
409 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
410 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
411 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
412 if test ${enableval} = "yes" ; then
413 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
414 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
416 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
417 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
420 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
421 AC_ARG_ENABLE(debug-runtime,
422 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
423 if test ${enableval} = "no" ; then
424 AC_SUBST(DEBUG_RUNTIME,[[]])
426 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
429 dnl --enable-debug-symbols : should even optimized compiler libraries
430 dnl have debug symbols?
431 AC_ARG_ENABLE(debug-symbols,
432 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)
433 if test ${enableval} = "no" ; then
434 AC_SUBST(DEBUG_SYMBOLS,[[]])
436 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
439 dnl --enable-jit: check whether they want to enable the jit
441 AS_HELP_STRING(--enable-jit,
442 [Enable Just In Time Compiling (default is YES)]),,
444 if test ${enableval} = "no"
448 case "$llvm_cv_target_arch" in
449 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
450 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
451 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
452 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
453 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
454 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
455 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
456 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
457 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
458 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
459 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
460 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
464 dnl Allow enablement of building and installing docs
466 AS_HELP_STRING([--enable-docs],
467 [Build documents (default is YES)]),,
470 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
471 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
472 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
473 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
476 dnl Allow enablement of doxygen generated documentation
477 AC_ARG_ENABLE(doxygen,
478 AS_HELP_STRING([--enable-doxygen],
479 [Build doxygen documentation (default is NO)]),,
482 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
483 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
484 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
485 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
488 dnl Allow disablement of threads
489 AC_ARG_ENABLE(threads,
490 AS_HELP_STRING([--enable-threads],
491 [Use threads if available (default is YES)]),,
494 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
495 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
496 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
497 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
499 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
501 dnl Allow disablement of pthread.h
502 AC_ARG_ENABLE(pthreads,
503 AS_HELP_STRING([--enable-pthreads],
504 [Use pthreads if available (default is YES)]),,
507 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
508 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
509 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
510 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
513 dnl Allow building without position independent code
515 AS_HELP_STRING([--enable-pic],
516 [Build LLVM with Position Independent Code (default is YES)]),,
519 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
520 no) AC_SUBST(ENABLE_PIC,[0]) ;;
521 default) AC_SUBST(ENABLE_PIC,[1]) ;;
522 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
524 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
525 [Define if position independent code is enabled])
527 dnl Allow building a shared library and linking tools against it.
528 AC_ARG_ENABLE(shared,
529 AS_HELP_STRING([--enable-shared],
530 [Build a shared library and link tools against it (default is NO)]),,
533 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
534 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
535 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
536 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
539 dnl Allow libstdc++ is embedded in LLVM.dll.
540 AC_ARG_ENABLE(embed-stdcxx,
541 AS_HELP_STRING([--enable-embed-stdcxx],
542 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
545 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
546 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
547 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
548 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
551 dnl Enable embedding timestamp information into build.
552 AC_ARG_ENABLE(timestamps,
553 AS_HELP_STRING([--enable-timestamps],
554 [Enable embedding timestamp information in build (default is YES)]),,
557 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
558 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
559 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
560 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
562 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
563 [Define if timestamp information (e.g., __DATE___) is allowed])
565 dnl Allow specific targets to be specified for building (or not)
567 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
568 [Build specific host targets: all or target1,target2,... Valid targets are:
569 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
570 xcore, msp430, nvptx, cbe, and cpp (default=all)]),,
572 if test "$enableval" = host-only ; then
576 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 Hexagon CppBackend MBlaze NVPTX" ;;
577 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
579 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
580 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
581 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
582 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
583 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
584 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
585 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
586 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
587 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
588 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
589 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
590 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
591 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
592 host) case "$llvm_cv_target_arch" in
593 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
594 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
595 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
596 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
597 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
598 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
599 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
600 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
601 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
602 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
603 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
604 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
605 *) AC_MSG_ERROR([Can not set target to build]) ;;
607 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
612 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
614 # Determine whether we are building LLVM support for the native architecture.
615 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
616 for a_target in $TARGETS_TO_BUILD; do
617 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
618 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
619 [LLVM architecture name for the native architecture, if available])
620 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
621 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
622 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
623 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
624 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
625 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
627 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
628 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
630 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
631 [LLVM name for the native Target init function, if available])
632 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
633 [LLVM name for the native TargetInfo init function, if available])
634 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
635 [LLVM name for the native target MC init function, if available])
636 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
637 [LLVM name for the native AsmPrinter init function, if available])
638 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
639 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
640 [LLVM name for the native AsmParser init function, if available])
642 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
643 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
644 [LLVM name for the native Disassembler init function, if available])
649 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
650 # target feature def files.
652 LLVM_ENUM_ASM_PRINTERS=""
653 LLVM_ENUM_ASM_PARSERS=""
654 LLVM_ENUM_DISASSEMBLERS=""
655 for target_to_build in $TARGETS_TO_BUILD; do
656 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
657 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
658 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
660 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
661 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
663 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
664 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
667 AC_SUBST(LLVM_ENUM_TARGETS)
668 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
669 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
670 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
672 dnl Override the option to use for optimized builds.
673 AC_ARG_WITH(optimize-option,
674 AS_HELP_STRING([--with-optimize-option],
675 [Select the compiler options to use for optimized builds]),,
677 AC_MSG_CHECKING([optimization flags])
680 case "$llvm_cv_os_type" in
681 FreeBSD) optimize_option=-O2 ;;
682 MingW) optimize_option=-O2 ;;
683 *) optimize_option=-O3 ;;
685 *) optimize_option="$withval" ;;
687 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
688 AC_MSG_RESULT([$optimize_option])
690 dnl Specify extra build options
691 AC_ARG_WITH(extra-options,
692 AS_HELP_STRING([--with-extra-options],
693 [Specify additional options to compile LLVM with]),,
696 default) EXTRA_OPTIONS= ;;
697 *) EXTRA_OPTIONS=$withval ;;
699 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
701 dnl Specify extra linker build options
702 AC_ARG_WITH(extra-ld-options,
703 AS_HELP_STRING([--with-extra-ld-options],
704 [Specify additional options to link LLVM with]),,
707 default) EXTRA_LD_OPTIONS= ;;
708 *) EXTRA_LD_OPTIONS=$withval ;;
710 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
712 dnl Allow specific bindings to be specified for building (or not)
713 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
714 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
718 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
719 all ) BINDINGS_TO_BUILD="ocaml" ;;
720 none | no) BINDINGS_TO_BUILD="" ;;
721 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
723 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
724 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
730 dnl Allow the ocaml libdir to be overridden. This could go in a configure
731 dnl script for bindings/ocaml/configure, except that its auto value depends on
732 dnl OCAMLC, which is found here to support tests.
733 AC_ARG_WITH([ocaml-libdir],
734 [AS_HELP_STRING([--with-ocaml-libdir],
735 [Specify install location for ocaml bindings (default is stdlib)])],
739 auto) with_ocaml_libdir="$withval" ;;
740 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
741 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
744 AC_ARG_WITH(clang-resource-dir,
745 AS_HELP_STRING([--with-clang-resource-dir],
746 [Relative directory from the Clang binary for resource files]),,
748 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
749 [Relative directory for resource files])
751 AC_ARG_WITH(c-include-dirs,
752 AS_HELP_STRING([--with-c-include-dirs],
753 [Colon separated list of directories clang will search for headers]),,
755 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
756 [Directories clang will search for headers])
758 # Clang normally uses the system c++ headers and libraries. With this option,
759 # clang will use the ones provided by a gcc installation instead. This option should
760 # be passed the same value that was used with --prefix when configuring gcc.
761 AC_ARG_WITH(gcc-toolchain,
762 AS_HELP_STRING([--with-gcc-toolchain],
763 [Directory where gcc is installed.]),,
765 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
766 [Directory where gcc is installed.])
768 dnl Allow linking of LLVM with GPLv3 binutils code.
769 AC_ARG_WITH(binutils-include,
770 AS_HELP_STRING([--with-binutils-include],
771 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
774 default) WITH_BINUTILS_INCDIR=default ;;
775 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
776 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
778 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
779 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
780 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
781 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
782 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
786 dnl Specify the URL where bug reports should be submitted.
787 AC_ARG_WITH(bug-report-url,
788 AS_HELP_STRING([--with-bug-report-url],
789 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
790 withval="http://llvm.org/bugs/")
791 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
794 dnl --enable-libffi : check whether the user wants to turn off libffi:
795 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
796 --enable-libffi,[Check for the presence of libffi (default is NO)]),
797 [case "$enableval" in
798 yes) llvm_cv_enable_libffi="yes" ;;
799 no) llvm_cv_enable_libffi="no" ;;
800 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
802 llvm_cv_enable_libffi=no)
804 dnl===-----------------------------------------------------------------------===
806 dnl=== SECTION 4: Check for programs we need and that they are the right version
808 dnl===-----------------------------------------------------------------------===
813 dnl Check for the tools that the makefiles require
816 AC_PATH_PROG(CMP, [cmp], [cmp])
817 AC_PATH_PROG(CP, [cp], [cp])
818 AC_PATH_PROG(DATE, [date], [date])
819 AC_PATH_PROG(FIND, [find], [find])
820 AC_PATH_PROG(GREP, [grep], [grep])
821 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
822 AC_PATH_PROG(MV, [mv], [mv])
824 AC_CHECK_TOOL(AR, ar, false)
825 AC_PATH_PROG(RM, [rm], [rm])
826 AC_PATH_PROG(SED, [sed], [sed])
827 AC_PATH_PROG(TAR, [tar], [gtar])
828 AC_PATH_PROG(BINPWD,[pwd], [pwd])
830 dnl Looking for misc. graph plotting software
831 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
832 if test "$GRAPHVIZ" != "echo Graphviz" ; then
833 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
834 dnl If we're targeting for mingw we should emit windows paths, not msys
835 if test "$llvm_cv_os_type" = "MingW" ; then
836 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
838 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
839 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
841 AC_PATH_PROG(DOT, [dot], [echo dot])
842 if test "$DOT" != "echo dot" ; then
843 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
844 dnl If we're targeting for mingw we should emit windows paths, not msys
845 if test "$llvm_cv_os_type" = "MingW" ; then
846 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
848 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
849 [Define to path to dot program if found or 'echo dot' otherwise])
851 AC_PATH_PROG(FDP, [fdp], [echo fdp])
852 if test "$FDP" != "echo fdp" ; then
853 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
854 dnl If we're targeting for mingw we should emit windows paths, not msys
855 if test "$llvm_cv_os_type" = "MingW" ; then
856 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
858 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
859 [Define to path to fdp program if found or 'echo fdp' otherwise])
861 AC_PATH_PROG(NEATO, [neato], [echo neato])
862 if test "$NEATO" != "echo neato" ; then
863 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
864 dnl If we're targeting for mingw we should emit windows paths, not msys
865 if test "$llvm_cv_os_type" = "MingW" ; then
866 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
868 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
869 [Define to path to neato program if found or 'echo neato' otherwise])
871 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
872 if test "$TWOPI" != "echo twopi" ; then
873 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
874 dnl If we're targeting for mingw we should emit windows paths, not msys
875 if test "$llvm_cv_os_type" = "MingW" ; then
876 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
878 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
879 [Define to path to twopi program if found or 'echo twopi' otherwise])
881 AC_PATH_PROG(CIRCO, [circo], [echo circo])
882 if test "$CIRCO" != "echo circo" ; then
883 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
884 dnl If we're targeting for mingw we should emit windows paths, not msys
885 if test "$llvm_cv_os_type" = "MingW" ; then
886 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
888 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
889 [Define to path to circo program if found or 'echo circo' otherwise])
891 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
892 if test "$GV" != "echo gv" ; then
893 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
894 dnl If we're targeting for mingw we should emit windows paths, not msys
895 if test "$llvm_cv_os_type" = "MingW" ; then
896 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
898 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
899 [Define to path to gv program if found or 'echo gv' otherwise])
901 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
902 if test "$DOTTY" != "echo dotty" ; then
903 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
904 dnl If we're targeting for mingw we should emit windows paths, not msys
905 if test "$llvm_cv_os_type" = "MingW" ; then
906 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
908 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
909 [Define to path to dotty program if found or 'echo dotty' otherwise])
911 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
912 if test "$XDOT_PY" != "echo xdot.py" ; then
913 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
914 dnl If we're targeting for mingw we should emit windows paths, not msys
915 if test "$llvm_cv_os_type" = "MingW" ; then
916 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
918 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
919 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
922 dnl Find the install program
924 dnl Prepend src dir to install path dir if it's a relative path
925 dnl This is a hack for installs that take place in something other
926 dnl than the top level.
928 [[\\/$]]* | ?:[[\\/]]* ) ;;
929 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
932 dnl Checks for documentation and testing tools that we can do without. If these
933 dnl are not found then they are set to "true" which always succeeds but does
934 dnl nothing. This just lets the build output show that we could have done
935 dnl something if the tool was available.
936 AC_PATH_PROG(BZIP2, [bzip2])
937 AC_PATH_PROG(CAT, [cat])
938 AC_PATH_PROG(DOXYGEN, [doxygen])
939 AC_PATH_PROG(GROFF, [groff])
940 AC_PATH_PROG(GZIPBIN, [gzip])
941 AC_PATH_PROG(POD2HTML, [pod2html])
942 AC_PATH_PROG(POD2MAN, [pod2man])
943 AC_PATH_PROG(PDFROFF, [pdfroff])
944 AC_PATH_PROG(RUNTEST, [runtest])
946 AC_PATH_PROG(ZIP, [zip])
947 AC_PATH_PROGS(OCAMLC, [ocamlc])
948 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
949 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
950 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
951 AC_PATH_PROGS(GAS, [gas as])
953 dnl Get the version of the linker in use.
956 dnl Determine whether the linker supports the -R option.
959 dnl Determine whether the linker supports the -export-dynamic option.
960 AC_LINK_EXPORT_DYNAMIC
962 dnl Determine whether the linker supports the --version-script option.
963 AC_LINK_VERSION_SCRIPT
965 dnl Check for libtool and the library that has dlopen function (which must come
966 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
971 AC_MSG_CHECKING([tool compatibility])
973 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
974 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
975 dnl to support those options.
976 dnl "icc" emits gcc signatures
977 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
989 if test "$GCC" != "yes" && test "$ICC" != "yes"
991 AC_MSG_ERROR([gcc|icc required but not found])
994 dnl Ensure that compilation tools are compatible with GCC extensions
995 if test "$GXX" != "yes" && test "$IXX" != "yes"
997 AC_MSG_ERROR([g++|clang++|icc required but not found])
1000 dnl Verify that GCC is version 3.0 or higher
1001 if test "$GCC" = "yes"
1003 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1004 #error Unsupported GCC version
1006 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1009 dnl Check for GNU Make. We use its extensions, so don't build without it
1010 if test -z "$llvm_cv_gnu_make_command"
1012 AC_MSG_ERROR([GNU Make required but not found])
1015 dnl Tool compatibility is okay if we make it here.
1018 dnl Check optional compiler flags.
1019 AC_MSG_CHECKING([optional compiler flags])
1020 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1021 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1022 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1023 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1025 dnl===-----------------------------------------------------------------------===
1027 dnl=== SECTION 5: Check for libraries
1029 dnl===-----------------------------------------------------------------------===
1032 if test "$llvm_cv_os_type" = "MingW" ; then
1033 AC_CHECK_LIB(imagehlp, main)
1034 AC_CHECK_LIB(psapi, main)
1037 dnl dlopen() is required for plugin support.
1038 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1039 [Define if dlopen() is available on this platform.]),
1040 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1042 dnl libffi is optional; used to call external functions from the interpreter
1043 if test "$llvm_cv_enable_libffi" = "yes" ; then
1044 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1045 [Define if libffi is available on this platform.]),
1046 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1049 dnl mallinfo is optional; the code can compile (minus features) without it
1050 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1051 [Define if mallinfo() is available on this platform.]))
1053 dnl pthread locking functions are optional - but llvm will not be thread-safe
1055 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1056 AC_CHECK_LIB(pthread, pthread_mutex_init)
1057 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1058 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1059 [Have pthread_mutex_lock]))
1060 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1061 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1062 [Have pthread_rwlock_init]))
1063 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1064 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1065 [Have pthread_getspecific]))
1068 dnl Allow extra x86-disassembler library
1070 AS_HELP_STRING([--with-udis86=<path>],
1071 [Use udis86 external x86 disassembler library]),
1073 AC_SUBST(USE_UDIS86, [1])
1076 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1078 AC_CHECK_LIB(udis86, ud_init, [], [
1079 echo "Error! You need to have libudis86 around."
1083 AC_SUBST(USE_UDIS86, [0]))
1084 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1085 [Define if use udis86 library])
1087 dnl Allow OProfile support for JIT output.
1088 AC_ARG_WITH(oprofile,
1089 AS_HELP_STRING([--with-oprofile=<prefix>],
1090 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1092 AC_SUBST(USE_OPROFILE, [1])
1094 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1096 AC_SUBST(USE_OPROFILE, [0]) ;;
1097 *) llvm_cv_oppath="${withval}/lib/oprofile"
1098 CPPFLAGS="-I${withval}/include";;
1100 if test -n "$llvm_cv_oppath" ; then
1101 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1102 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1103 dnl libbfd is not included properly in libopagent in some Debian
1104 dnl versions. If libbfd isn't found at all, we assume opagent works
1106 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1107 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1108 echo "Error! You need to have libopagent around."
1111 AC_CHECK_HEADER([opagent.h], [], [
1112 echo "Error! You need to have opagent.h around."
1118 AC_SUBST(USE_OPROFILE, [0])
1120 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1121 [Define if we have the oprofile JIT-support library])
1123 dnl===-----------------------------------------------------------------------===
1125 dnl=== SECTION 6: Check for header files
1127 dnl===-----------------------------------------------------------------------===
1129 dnl First, use autoconf provided macros for specific headers that we need
1130 dnl We don't check for ancient stuff or things that are guaranteed to be there
1131 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1132 dnl Generally we're looking for POSIX headers.
1134 AC_HEADER_MMAP_ANONYMOUS
1139 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1140 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1141 AC_CHECK_HEADERS([utime.h windows.h])
1142 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1143 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1144 AC_CHECK_HEADERS([valgrind/valgrind.h])
1145 AC_CHECK_HEADERS([fenv.h])
1146 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1147 AC_CHECK_HEADERS(pthread.h,
1148 AC_SUBST(HAVE_PTHREAD, 1),
1149 AC_SUBST(HAVE_PTHREAD, 0))
1151 AC_SUBST(HAVE_PTHREAD, 0)
1154 dnl Try to find ffi.h.
1155 if test "$llvm_cv_enable_libffi" = "yes" ; then
1156 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1159 dnl Try to find Darwin specific crash reporting libraries.
1160 AC_CHECK_HEADERS([CrashReporterClient.h])
1162 dnl Try to find Darwin specific crash reporting global.
1163 AC_MSG_CHECKING([__crashreporter_info__])
1166 [[extern const char *__crashreporter_info__;
1168 __crashreporter_info__ = "test";
1173 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1175 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1176 Define if __crashreporter_info__ exists.))
1178 dnl===-----------------------------------------------------------------------===
1180 dnl=== SECTION 7: Check for types and structures
1182 dnl===-----------------------------------------------------------------------===
1187 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1189 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1190 AC_CHECK_TYPES([uint64_t],,
1191 AC_CHECK_TYPES([u_int64_t],,
1192 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1194 dnl===-----------------------------------------------------------------------===
1196 dnl=== SECTION 8: Check for specific functions needed
1198 dnl===-----------------------------------------------------------------------===
1200 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1201 AC_CHECK_FUNCS([powf fmodf strtof round ])
1202 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1203 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1204 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1205 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1206 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1207 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1211 dnl Check the declaration "Secure API" on Windows environments.
1212 AC_CHECK_DECLS([strerror_s])
1214 dnl Check symbols in libgcc.a for JIT on Mingw.
1215 if test "$llvm_cv_os_type" = "MingW" ; then
1216 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1217 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1218 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1219 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1221 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1222 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1223 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1224 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1225 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1226 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1227 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1228 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1229 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1230 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1232 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1233 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1236 dnl Check Win32 API EnumerateLoadedModules.
1237 if test "$llvm_cv_os_type" = "MingW" ; then
1238 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1239 AC_COMPILE_IFELSE([[#include <windows.h>
1240 #include <imagehlp.h>
1241 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1242 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1244 AC_MSG_RESULT([yes])
1245 llvm_cv_win32_elmcb_pcstr="PCSTR"
1249 llvm_cv_win32_elmcb_pcstr="PSTR"
1251 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1254 dnl Check for variations in the Standard C++ library and STL. These macros are
1255 dnl provided by LLVM in the autoconf/m4 directory.
1259 dnl Check for mmap support.We also need to know if /dev/zero is required to
1260 dnl be opened for allocating RWX memory.
1261 dnl Make sure we aren't attempting to configure for an unknown system
1262 if test "$llvm_cv_platform_type" = "Unix" ; then
1265 AC_NEED_DEV_ZERO_FOR_MMAP
1267 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1269 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1271 if test "$ac_cv_func_mmap_file" = "no"
1273 AC_MSG_WARN([mmap() of files required but not found])
1277 dnl atomic builtins are required for threading support.
1278 AC_MSG_CHECKING(for GCC atomic builtins)
1279 dnl Since we'll be using these atomic builtins in C++ files we should test
1280 dnl the C++ compiler.
1285 volatile unsigned long val = 1;
1286 __sync_synchronize();
1287 __sync_val_compare_and_swap(&val, 1, 0);
1288 __sync_add_and_fetch(&val, 1);
1289 __sync_sub_and_fetch(&val, 1);
1295 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1297 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1298 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1300 dnl===-----------------------------------------------------------------------===
1302 dnl=== SECTION 9: Additional checks, variables, etc.
1304 dnl===-----------------------------------------------------------------------===
1306 dnl Handle 32-bit linux systems running a 64-bit kernel.
1307 dnl This has to come after section 4 because it invokes the compiler.
1308 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1310 if test "$llvm_cv_linux_mixed" = "yes"; then
1311 llvm_cv_target_arch="x86"
1316 dnl Check whether __dso_handle is present
1317 AC_CHECK_FUNCS([__dso_handle])
1319 dnl Propagate the shared library extension that the libltdl checks did to
1320 dnl the Makefiles so we can use it there too
1321 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1323 dnl Propagate the run-time library path variable that the libltdl
1324 dnl checks found to the Makefiles so we can use it there too
1325 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1327 # Translate the various configuration directories and other basic
1328 # information into substitutions that will end up in Makefile.config.in
1329 # that these configured values can be used by the makefiles
1330 if test "${prefix}" = "NONE" ; then
1333 eval LLVM_PREFIX="${prefix}";
1334 eval LLVM_BINDIR="${prefix}/bin";
1335 eval LLVM_LIBDIR="${prefix}/lib";
1336 eval LLVM_DATADIR="${prefix}/share/llvm";
1337 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1338 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1339 eval LLVM_INCLUDEDIR="${prefix}/include";
1340 eval LLVM_INFODIR="${prefix}/info";
1341 eval LLVM_MANDIR="${prefix}/man";
1342 LLVM_CONFIGTIME=`date`
1343 AC_SUBST(LLVM_PREFIX)
1344 AC_SUBST(LLVM_BINDIR)
1345 AC_SUBST(LLVM_LIBDIR)
1346 AC_SUBST(LLVM_DATADIR)
1347 AC_SUBST(LLVM_DOCSDIR)
1348 AC_SUBST(LLVM_ETCDIR)
1349 AC_SUBST(LLVM_INCLUDEDIR)
1350 AC_SUBST(LLVM_INFODIR)
1351 AC_SUBST(LLVM_MANDIR)
1352 AC_SUBST(LLVM_CONFIGTIME)
1354 # Place the various directores into the config.h file as #defines so that we
1355 # can know about the installation paths within LLVM.
1356 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1357 [Installation prefix directory])
1358 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1359 [Installation directory for binary executables])
1360 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1361 [Installation directory for libraries])
1362 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1363 [Installation directory for data files])
1364 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1365 [Installation directory for documentation])
1366 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1367 [Installation directory for config files])
1368 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1369 [Installation directory for include files])
1370 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1371 [Installation directory for .info files])
1372 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1373 [Installation directory for man pages])
1374 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1375 [Time at which LLVM was configured])
1376 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1377 [Target triple LLVM will generate code for by default])
1379 # Determine which bindings to build.
1380 if test "$BINDINGS_TO_BUILD" = auto ; then
1381 BINDINGS_TO_BUILD=""
1382 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1383 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1386 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1388 # This isn't really configurey, but it avoids having to repeat the list in
1390 AC_SUBST(ALL_BINDINGS,ocaml)
1392 # Do any work necessary to ensure that bindings have what they need.
1393 binding_prereqs_failed=0
1394 for a_binding in $BINDINGS_TO_BUILD ; do
1395 case "$a_binding" in
1397 if test "x$OCAMLC" = x ; then
1398 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1399 binding_prereqs_failed=1
1401 if test "x$OCAMLDEP" = x ; then
1402 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1403 binding_prereqs_failed=1
1405 if test "x$OCAMLOPT" = x ; then
1406 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1407 dnl ocamlopt is optional!
1409 if test "x$with_ocaml_libdir" != xauto ; then
1410 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1412 ocaml_stdlib="`"$OCAMLC" -where`"
1413 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1415 # ocaml stdlib is beneath our prefix; use stdlib
1416 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1418 # ocaml stdlib is outside our prefix; use libdir/ocaml
1419 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1425 if test "$binding_prereqs_failed" = 1 ; then
1426 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1429 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1430 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1432 dnl Determine linker rpath flag
1433 if test "$llvm_cv_link_use_r" = "yes" ; then
1440 dnl Determine linker rdynamic flag
1441 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1442 RDYNAMIC="-Wl,-export-dynamic"
1448 dnl===-----------------------------------------------------------------------===
1450 dnl=== SECTION 10: Specify the output files and generate it
1452 dnl===-----------------------------------------------------------------------===
1454 dnl **************************************************************************
1455 dnl End LLVM configure.ac Import
1456 dnl **************************************************************************
1458 dnl Configure a common Makefile
1459 AC_CONFIG_FILES(Makefile.common)
1460 AC_CONFIG_FILES(Makefile.llvm.config)
1462 dnl Configure project makefiles
1463 dnl List every Makefile that exists within your source tree
1464 AC_CONFIG_MAKEFILE(Makefile)
1465 AC_CONFIG_MAKEFILE(lib/Makefile)
1466 AC_CONFIG_MAKEFILE(lib/sample/Makefile)
1467 AC_CONFIG_MAKEFILE(tools/Makefile)
1468 AC_CONFIG_MAKEFILE(tools/sample/Makefile)
1470 dnl This must be last