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 $llvm_cv_platform_type in
286 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
287 AC_SUBST(LLVM_ON_UNIX,[1])
288 AC_SUBST(LLVM_ON_WIN32,[0])
291 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
292 AC_SUBST(LLVM_ON_UNIX,[0])
293 AC_SUBST(LLVM_ON_WIN32,[1])
297 dnl Determine what our target architecture is and configure accordingly.
298 dnl This will allow Makefiles to make a distinction between the hardware and
300 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
302 i?86-*) llvm_cv_target_arch="x86" ;;
303 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
304 sparc*-*) llvm_cv_target_arch="Sparc" ;;
305 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
306 arm*-*) llvm_cv_target_arch="ARM" ;;
307 mips-*) llvm_cv_target_arch="Mips" ;;
308 mipsel-*) llvm_cv_target_arch="Mips" ;;
309 xcore-*) llvm_cv_target_arch="XCore" ;;
310 msp430-*) llvm_cv_target_arch="MSP430" ;;
311 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
312 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
313 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
314 *) llvm_cv_target_arch="Unknown" ;;
317 if test "$llvm_cv_target_arch" = "Unknown" ; then
318 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
321 # Determine the LLVM native architecture for the target
322 case "$llvm_cv_target_arch" in
323 x86) LLVM_NATIVE_ARCH="X86" ;;
324 x86_64) LLVM_NATIVE_ARCH="X86" ;;
325 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
328 dnl Define a substitution, ARCH, for the target architecture
329 AC_SUBST(ARCH,$llvm_cv_target_arch)
331 dnl Check for the endianness of the target
332 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
334 dnl Check for build platform executable suffix if we're crosscompiling
335 if test "$cross_compiling" = yes; then
336 AC_SUBST(LLVM_CROSS_COMPILING, [1])
338 ac_build_prefix=${build_alias}-
339 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
340 if test -z "$BUILD_CXX"; then
341 AC_CHECK_PROG(BUILD_CXX, g++, g++)
342 if test -z "$BUILD_CXX"; then
343 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
347 AC_SUBST(LLVM_CROSS_COMPILING, [0])
350 dnl Check to see if there's a .svn or .git directory indicating that this
351 dnl build is being done from a checkout. This sets up several defaults for
352 dnl the command line switches. When we build with a checkout directory,
353 dnl we get a debug with assertions turned on. Without, we assume a source
354 dnl release and we get an optimized build without assertions.
355 dnl See --enable-optimized and --enable-assertions below
356 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
359 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
365 dnl===-----------------------------------------------------------------------===
367 dnl=== SECTION 3: Command line arguments for the configure script.
369 dnl===-----------------------------------------------------------------------===
371 dnl --enable-libcpp : check whether or not to use libc++ on the command line
372 AC_ARG_ENABLE(libcpp,
373 AS_HELP_STRING([--enable-libcpp],
374 [Use libc++ if available (default is NO)]),,
377 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
378 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
379 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
380 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
383 dnl --enable-optimized : check whether they want to do an optimized build:
384 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
385 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
386 if test ${enableval} = "no" ; then
387 AC_SUBST(ENABLE_OPTIMIZED,[[]])
389 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
392 dnl --enable-profiling : check whether they want to do a profile build:
393 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
394 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
395 if test ${enableval} = "no" ; then
396 AC_SUBST(ENABLE_PROFILING,[[]])
398 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
401 dnl --enable-assertions : check whether they want to turn on assertions or not:
402 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
403 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
404 if test ${enableval} = "yes" ; then
405 AC_SUBST(DISABLE_ASSERTIONS,[[]])
407 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
410 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
411 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
412 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
413 if test ${enableval} = "yes" ; then
414 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
415 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
417 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
418 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
421 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
422 AC_ARG_ENABLE(debug-runtime,
423 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
424 if test ${enableval} = "no" ; then
425 AC_SUBST(DEBUG_RUNTIME,[[]])
427 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
430 dnl --enable-debug-symbols : should even optimized compiler libraries
431 dnl have debug symbols?
432 AC_ARG_ENABLE(debug-symbols,
433 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)
434 if test ${enableval} = "no" ; then
435 AC_SUBST(DEBUG_SYMBOLS,[[]])
437 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
440 dnl --enable-jit: check whether they want to enable the jit
442 AS_HELP_STRING(--enable-jit,
443 [Enable Just In Time Compiling (default is YES)]),,
445 if test ${enableval} = "no"
449 case "$llvm_cv_target_arch" in
450 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
451 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
452 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
453 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
454 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
455 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
456 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
457 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
458 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
459 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
460 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
461 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
465 dnl Allow enablement of building and installing docs
467 AS_HELP_STRING([--enable-docs],
468 [Build documents (default is YES)]),,
471 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
472 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
473 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
474 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
477 dnl Allow enablement of doxygen generated documentation
478 AC_ARG_ENABLE(doxygen,
479 AS_HELP_STRING([--enable-doxygen],
480 [Build doxygen documentation (default is NO)]),,
483 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
484 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
485 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
486 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
489 dnl Allow disablement of threads
490 AC_ARG_ENABLE(threads,
491 AS_HELP_STRING([--enable-threads],
492 [Use threads if available (default is YES)]),,
495 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
496 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
497 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
498 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
500 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
502 dnl Allow disablement of pthread.h
503 AC_ARG_ENABLE(pthreads,
504 AS_HELP_STRING([--enable-pthreads],
505 [Use pthreads if available (default is YES)]),,
508 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
509 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
510 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
511 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
514 dnl Allow building without position independent code
516 AS_HELP_STRING([--enable-pic],
517 [Build LLVM with Position Independent Code (default is YES)]),,
520 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
521 no) AC_SUBST(ENABLE_PIC,[0]) ;;
522 default) AC_SUBST(ENABLE_PIC,[1]) ;;
523 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
525 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
526 [Define if position independent code is enabled])
528 dnl Allow building a shared library and linking tools against it.
529 AC_ARG_ENABLE(shared,
530 AS_HELP_STRING([--enable-shared],
531 [Build a shared library and link tools against it (default is NO)]),,
534 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
535 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
536 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
537 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
540 dnl Allow libstdc++ is embedded in LLVM.dll.
541 AC_ARG_ENABLE(embed-stdcxx,
542 AS_HELP_STRING([--enable-embed-stdcxx],
543 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
546 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
547 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
548 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
549 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
552 dnl Enable embedding timestamp information into build.
553 AC_ARG_ENABLE(timestamps,
554 AS_HELP_STRING([--enable-timestamps],
555 [Enable embedding timestamp information in build (default is YES)]),,
558 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
559 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
560 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
561 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
563 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
564 [Define if timestamp information (e.g., __DATE___) is allowed])
566 dnl Allow specific targets to be specified for building (or not)
568 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
569 [Build specific host targets: all or target1,target2,... Valid targets are:
570 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
571 xcore, msp430, nvptx, cbe, r600, and cpp (default=all)]),,
573 if test "$enableval" = host-only ; then
577 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 Hexagon CppBackend MBlaze NVPTX AMDGPU" ;;
578 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
580 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
581 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
582 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
583 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
584 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
585 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
586 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
587 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
588 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
589 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
590 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
591 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
592 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
593 r600) TARGETS_TO_BUILD="AMDGPU $TARGETS_TO_BUILD" ;;
594 host) case "$llvm_cv_target_arch" in
595 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
596 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
597 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
598 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
599 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
600 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
601 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
602 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
603 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
604 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
605 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
606 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
607 *) AC_MSG_ERROR([Can not set target to build]) ;;
609 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
614 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
616 # Determine whether we are building LLVM support for the native architecture.
617 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
618 for a_target in $TARGETS_TO_BUILD; do
619 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
620 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
621 [LLVM architecture name for the native architecture, if available])
622 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
623 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
624 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
625 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
626 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
627 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
629 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
630 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
632 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
633 [LLVM name for the native Target init function, if available])
634 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
635 [LLVM name for the native TargetInfo init function, if available])
636 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
637 [LLVM name for the native target MC init function, if available])
638 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
639 [LLVM name for the native AsmPrinter init function, if available])
640 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
641 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
642 [LLVM name for the native AsmParser init function, if available])
644 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
645 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
646 [LLVM name for the native Disassembler init function, if available])
651 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
652 # target feature def files.
654 LLVM_ENUM_ASM_PRINTERS=""
655 LLVM_ENUM_ASM_PARSERS=""
656 LLVM_ENUM_DISASSEMBLERS=""
657 for target_to_build in $TARGETS_TO_BUILD; do
658 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
659 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
660 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
662 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
663 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
665 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
666 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
669 AC_SUBST(LLVM_ENUM_TARGETS)
670 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
671 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
672 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
674 dnl Override the option to use for optimized builds.
675 AC_ARG_WITH(optimize-option,
676 AS_HELP_STRING([--with-optimize-option],
677 [Select the compiler options to use for optimized builds]),,
679 AC_MSG_CHECKING([optimization flags])
682 case "$llvm_cv_os_type" in
683 FreeBSD) optimize_option=-O2 ;;
684 MingW) optimize_option=-O2 ;;
685 *) optimize_option=-O3 ;;
687 *) optimize_option="$withval" ;;
689 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
690 AC_MSG_RESULT([$optimize_option])
692 dnl Specify extra build options
693 AC_ARG_WITH(extra-options,
694 AS_HELP_STRING([--with-extra-options],
695 [Specify additional options to compile LLVM with]),,
698 default) EXTRA_OPTIONS= ;;
699 *) EXTRA_OPTIONS=$withval ;;
701 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
703 dnl Specify extra linker build options
704 AC_ARG_WITH(extra-ld-options,
705 AS_HELP_STRING([--with-extra-ld-options],
706 [Specify additional options to link LLVM with]),,
709 default) EXTRA_LD_OPTIONS= ;;
710 *) EXTRA_LD_OPTIONS=$withval ;;
712 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
714 dnl Allow specific bindings to be specified for building (or not)
715 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
716 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
720 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
721 all ) BINDINGS_TO_BUILD="ocaml" ;;
722 none | no) BINDINGS_TO_BUILD="" ;;
723 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
725 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
726 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
732 dnl Allow the ocaml libdir to be overridden. This could go in a configure
733 dnl script for bindings/ocaml/configure, except that its auto value depends on
734 dnl OCAMLC, which is found here to support tests.
735 AC_ARG_WITH([ocaml-libdir],
736 [AS_HELP_STRING([--with-ocaml-libdir],
737 [Specify install location for ocaml bindings (default is stdlib)])],
741 auto) with_ocaml_libdir="$withval" ;;
742 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
743 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
746 AC_ARG_WITH(clang-resource-dir,
747 AS_HELP_STRING([--with-clang-resource-dir],
748 [Relative directory from the Clang binary for resource files]),,
750 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
751 [Relative directory for resource files])
753 AC_ARG_WITH(c-include-dirs,
754 AS_HELP_STRING([--with-c-include-dirs],
755 [Colon separated list of directories clang will search for headers]),,
757 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
758 [Directories clang will search for headers])
760 # Clang normally uses the system c++ headers and libraries. With this option,
761 # clang will use the ones provided by a gcc installation instead. This option should
762 # be passed the same value that was used with --prefix when configuring gcc.
763 AC_ARG_WITH(gcc-toolchain,
764 AS_HELP_STRING([--with-gcc-toolchain],
765 [Directory where gcc is installed.]),,
767 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
768 [Directory where gcc is installed.])
770 dnl Allow linking of LLVM with GPLv3 binutils code.
771 AC_ARG_WITH(binutils-include,
772 AS_HELP_STRING([--with-binutils-include],
773 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
776 default) WITH_BINUTILS_INCDIR=default ;;
777 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
778 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
780 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
781 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
782 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
783 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
784 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
788 dnl Specify the URL where bug reports should be submitted.
789 AC_ARG_WITH(bug-report-url,
790 AS_HELP_STRING([--with-bug-report-url],
791 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
792 withval="http://llvm.org/bugs/")
793 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
796 dnl --enable-libffi : check whether the user wants to turn off libffi:
797 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
798 --enable-libffi,[Check for the presence of libffi (default is NO)]),
799 [case "$enableval" in
800 yes) llvm_cv_enable_libffi="yes" ;;
801 no) llvm_cv_enable_libffi="no" ;;
802 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
804 llvm_cv_enable_libffi=no)
806 dnl===-----------------------------------------------------------------------===
808 dnl=== SECTION 4: Check for programs we need and that they are the right version
810 dnl===-----------------------------------------------------------------------===
815 dnl Check for the tools that the makefiles require
818 AC_PATH_PROG(CMP, [cmp], [cmp])
819 AC_PATH_PROG(CP, [cp], [cp])
820 AC_PATH_PROG(DATE, [date], [date])
821 AC_PATH_PROG(FIND, [find], [find])
822 AC_PATH_PROG(GREP, [grep], [grep])
823 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
824 AC_PATH_PROG(MV, [mv], [mv])
826 AC_CHECK_TOOL(AR, ar, false)
827 AC_PATH_PROG(RM, [rm], [rm])
828 AC_PATH_PROG(SED, [sed], [sed])
829 AC_PATH_PROG(TAR, [tar], [gtar])
830 AC_PATH_PROG(BINPWD,[pwd], [pwd])
832 dnl Looking for misc. graph plotting software
833 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
834 if test "$GRAPHVIZ" != "echo Graphviz" ; then
835 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
836 dnl If we're targeting for mingw we should emit windows paths, not msys
837 if test "$llvm_cv_os_type" = "MingW" ; then
838 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
840 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
841 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
843 AC_PATH_PROG(DOT, [dot], [echo dot])
844 if test "$DOT" != "echo dot" ; then
845 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
846 dnl If we're targeting for mingw we should emit windows paths, not msys
847 if test "$llvm_cv_os_type" = "MingW" ; then
848 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
850 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
851 [Define to path to dot program if found or 'echo dot' otherwise])
853 AC_PATH_PROG(FDP, [fdp], [echo fdp])
854 if test "$FDP" != "echo fdp" ; then
855 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
856 dnl If we're targeting for mingw we should emit windows paths, not msys
857 if test "$llvm_cv_os_type" = "MingW" ; then
858 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
860 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
861 [Define to path to fdp program if found or 'echo fdp' otherwise])
863 AC_PATH_PROG(NEATO, [neato], [echo neato])
864 if test "$NEATO" != "echo neato" ; then
865 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
866 dnl If we're targeting for mingw we should emit windows paths, not msys
867 if test "$llvm_cv_os_type" = "MingW" ; then
868 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
870 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
871 [Define to path to neato program if found or 'echo neato' otherwise])
873 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
874 if test "$TWOPI" != "echo twopi" ; then
875 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
876 dnl If we're targeting for mingw we should emit windows paths, not msys
877 if test "$llvm_cv_os_type" = "MingW" ; then
878 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
880 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
881 [Define to path to twopi program if found or 'echo twopi' otherwise])
883 AC_PATH_PROG(CIRCO, [circo], [echo circo])
884 if test "$CIRCO" != "echo circo" ; then
885 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
886 dnl If we're targeting for mingw we should emit windows paths, not msys
887 if test "$llvm_cv_os_type" = "MingW" ; then
888 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
890 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
891 [Define to path to circo program if found or 'echo circo' otherwise])
893 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
894 if test "$GV" != "echo gv" ; then
895 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
896 dnl If we're targeting for mingw we should emit windows paths, not msys
897 if test "$llvm_cv_os_type" = "MingW" ; then
898 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
900 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
901 [Define to path to gv program if found or 'echo gv' otherwise])
903 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
904 if test "$DOTTY" != "echo dotty" ; then
905 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
906 dnl If we're targeting for mingw we should emit windows paths, not msys
907 if test "$llvm_cv_os_type" = "MingW" ; then
908 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
910 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
911 [Define to path to dotty program if found or 'echo dotty' otherwise])
913 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
914 if test "$XDOT_PY" != "echo xdot.py" ; then
915 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
916 dnl If we're targeting for mingw we should emit windows paths, not msys
917 if test "$llvm_cv_os_type" = "MingW" ; then
918 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
920 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
921 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
924 dnl Find the install program
926 dnl Prepend src dir to install path dir if it's a relative path
927 dnl This is a hack for installs that take place in something other
928 dnl than the top level.
930 [[\\/$]]* | ?:[[\\/]]* ) ;;
931 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
934 dnl Checks for documentation and testing tools that we can do without. If these
935 dnl are not found then they are set to "true" which always succeeds but does
936 dnl nothing. This just lets the build output show that we could have done
937 dnl something if the tool was available.
938 AC_PATH_PROG(BZIP2, [bzip2])
939 AC_PATH_PROG(CAT, [cat])
940 AC_PATH_PROG(DOXYGEN, [doxygen])
941 AC_PATH_PROG(GROFF, [groff])
942 AC_PATH_PROG(GZIPBIN, [gzip])
943 AC_PATH_PROG(POD2HTML, [pod2html])
944 AC_PATH_PROG(POD2MAN, [pod2man])
945 AC_PATH_PROG(PDFROFF, [pdfroff])
946 AC_PATH_PROG(RUNTEST, [runtest])
948 AC_PATH_PROG(ZIP, [zip])
949 AC_PATH_PROGS(OCAMLC, [ocamlc])
950 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
951 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
952 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
953 AC_PATH_PROGS(GAS, [gas as])
955 dnl Get the version of the linker in use.
958 dnl Determine whether the linker supports the -R option.
961 dnl Determine whether the linker supports the -export-dynamic option.
962 AC_LINK_EXPORT_DYNAMIC
964 dnl Determine whether the linker supports the --version-script option.
965 AC_LINK_VERSION_SCRIPT
967 dnl Check for libtool and the library that has dlopen function (which must come
968 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
973 AC_MSG_CHECKING([tool compatibility])
975 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
976 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
977 dnl to support those options.
978 dnl "icc" emits gcc signatures
979 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
991 if test "$GCC" != "yes" && test "$ICC" != "yes"
993 AC_MSG_ERROR([gcc|icc required but not found])
996 dnl Ensure that compilation tools are compatible with GCC extensions
997 if test "$GXX" != "yes" && test "$IXX" != "yes"
999 AC_MSG_ERROR([g++|clang++|icc required but not found])
1002 dnl Verify that GCC is version 3.0 or higher
1003 if test "$GCC" = "yes"
1005 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1006 #error Unsupported GCC version
1008 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1011 dnl Check for GNU Make. We use its extensions, so don't build without it
1012 if test -z "$llvm_cv_gnu_make_command"
1014 AC_MSG_ERROR([GNU Make required but not found])
1017 dnl Tool compatibility is okay if we make it here.
1020 dnl Check optional compiler flags.
1021 AC_MSG_CHECKING([optional compiler flags])
1022 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1023 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1024 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1025 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1027 dnl===-----------------------------------------------------------------------===
1029 dnl=== SECTION 5: Check for libraries
1031 dnl===-----------------------------------------------------------------------===
1034 if test "$llvm_cv_os_type" = "MingW" ; then
1035 AC_CHECK_LIB(imagehlp, main)
1036 AC_CHECK_LIB(psapi, main)
1039 dnl dlopen() is required for plugin support.
1040 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1041 [Define if dlopen() is available on this platform.]),
1042 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1044 dnl libffi is optional; used to call external functions from the interpreter
1045 if test "$llvm_cv_enable_libffi" = "yes" ; then
1046 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1047 [Define if libffi is available on this platform.]),
1048 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1051 dnl mallinfo is optional; the code can compile (minus features) without it
1052 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1053 [Define if mallinfo() is available on this platform.]))
1055 dnl pthread locking functions are optional - but llvm will not be thread-safe
1057 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1058 AC_CHECK_LIB(pthread, pthread_mutex_init)
1059 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1060 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1061 [Have pthread_mutex_lock]))
1062 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1063 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1064 [Have pthread_rwlock_init]))
1065 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1066 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1067 [Have pthread_getspecific]))
1070 dnl Allow extra x86-disassembler library
1072 AS_HELP_STRING([--with-udis86=<path>],
1073 [Use udis86 external x86 disassembler library]),
1075 AC_SUBST(USE_UDIS86, [1])
1078 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1080 AC_CHECK_LIB(udis86, ud_init, [], [
1081 echo "Error! You need to have libudis86 around."
1085 AC_SUBST(USE_UDIS86, [0]))
1086 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1087 [Define if use udis86 library])
1089 dnl Allow OProfile support for JIT output.
1090 AC_ARG_WITH(oprofile,
1091 AS_HELP_STRING([--with-oprofile=<prefix>],
1092 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1094 AC_SUBST(USE_OPROFILE, [1])
1096 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1098 AC_SUBST(USE_OPROFILE, [0]) ;;
1099 *) llvm_cv_oppath="${withval}/lib/oprofile"
1100 CPPFLAGS="-I${withval}/include";;
1102 if test -n "$llvm_cv_oppath" ; then
1103 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1104 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1105 dnl libbfd is not included properly in libopagent in some Debian
1106 dnl versions. If libbfd isn't found at all, we assume opagent works
1108 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1109 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1110 echo "Error! You need to have libopagent around."
1113 AC_CHECK_HEADER([opagent.h], [], [
1114 echo "Error! You need to have opagent.h around."
1120 AC_SUBST(USE_OPROFILE, [0])
1122 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1123 [Define if we have the oprofile JIT-support library])
1125 dnl===-----------------------------------------------------------------------===
1127 dnl=== SECTION 6: Check for header files
1129 dnl===-----------------------------------------------------------------------===
1131 dnl First, use autoconf provided macros for specific headers that we need
1132 dnl We don't check for ancient stuff or things that are guaranteed to be there
1133 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1134 dnl Generally we're looking for POSIX headers.
1136 AC_HEADER_MMAP_ANONYMOUS
1141 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1142 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1143 AC_CHECK_HEADERS([utime.h windows.h])
1144 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1145 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1146 AC_CHECK_HEADERS([valgrind/valgrind.h])
1147 AC_CHECK_HEADERS([fenv.h])
1148 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1149 AC_CHECK_HEADERS(pthread.h,
1150 AC_SUBST(HAVE_PTHREAD, 1),
1151 AC_SUBST(HAVE_PTHREAD, 0))
1153 AC_SUBST(HAVE_PTHREAD, 0)
1156 dnl Try to find ffi.h.
1157 if test "$llvm_cv_enable_libffi" = "yes" ; then
1158 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1161 dnl Try to find Darwin specific crash reporting libraries.
1162 AC_CHECK_HEADERS([CrashReporterClient.h])
1164 dnl Try to find Darwin specific crash reporting global.
1165 AC_MSG_CHECKING([__crashreporter_info__])
1168 [[extern const char *__crashreporter_info__;
1170 __crashreporter_info__ = "test";
1175 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1177 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1178 Define if __crashreporter_info__ exists.))
1180 dnl===-----------------------------------------------------------------------===
1182 dnl=== SECTION 7: Check for types and structures
1184 dnl===-----------------------------------------------------------------------===
1189 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1191 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1192 AC_CHECK_TYPES([uint64_t],,
1193 AC_CHECK_TYPES([u_int64_t],,
1194 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1196 dnl===-----------------------------------------------------------------------===
1198 dnl=== SECTION 8: Check for specific functions needed
1200 dnl===-----------------------------------------------------------------------===
1202 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1203 AC_CHECK_FUNCS([powf fmodf strtof round ])
1204 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1205 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1206 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1207 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1208 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1209 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1213 dnl Check the declaration "Secure API" on Windows environments.
1214 AC_CHECK_DECLS([strerror_s])
1216 dnl Check symbols in libgcc.a for JIT on Mingw.
1217 if test "$llvm_cv_os_type" = "MingW" ; then
1218 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1219 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1220 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1221 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1223 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1224 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1225 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1226 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1227 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1228 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1229 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1230 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1231 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1232 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1234 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1235 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1238 dnl Check Win32 API EnumerateLoadedModules.
1239 if test "$llvm_cv_os_type" = "MingW" ; then
1240 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1241 AC_COMPILE_IFELSE([[#include <windows.h>
1242 #include <imagehlp.h>
1243 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1244 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1246 AC_MSG_RESULT([yes])
1247 llvm_cv_win32_elmcb_pcstr="PCSTR"
1251 llvm_cv_win32_elmcb_pcstr="PSTR"
1253 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1256 dnl Check for variations in the Standard C++ library and STL. These macros are
1257 dnl provided by LLVM in the autoconf/m4 directory.
1261 dnl Check for mmap support.We also need to know if /dev/zero is required to
1262 dnl be opened for allocating RWX memory.
1263 dnl Make sure we aren't attempting to configure for an unknown system
1264 if test "$llvm_cv_platform_type" = "Unix" ; then
1267 AC_NEED_DEV_ZERO_FOR_MMAP
1269 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1271 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1273 if test "$ac_cv_func_mmap_file" = "no"
1275 AC_MSG_WARN([mmap() of files required but not found])
1279 dnl atomic builtins are required for threading support.
1280 AC_MSG_CHECKING(for GCC atomic builtins)
1281 dnl Since we'll be using these atomic builtins in C++ files we should test
1282 dnl the C++ compiler.
1287 volatile unsigned long val = 1;
1288 __sync_synchronize();
1289 __sync_val_compare_and_swap(&val, 1, 0);
1290 __sync_add_and_fetch(&val, 1);
1291 __sync_sub_and_fetch(&val, 1);
1297 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1299 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1300 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1302 dnl===-----------------------------------------------------------------------===
1304 dnl=== SECTION 9: Additional checks, variables, etc.
1306 dnl===-----------------------------------------------------------------------===
1308 dnl Handle 32-bit linux systems running a 64-bit kernel.
1309 dnl This has to come after section 4 because it invokes the compiler.
1310 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1312 if test "$llvm_cv_linux_mixed" = "yes"; then
1313 llvm_cv_target_arch="x86"
1318 dnl Check whether __dso_handle is present
1319 AC_CHECK_FUNCS([__dso_handle])
1321 dnl Propagate the shared library extension that the libltdl checks did to
1322 dnl the Makefiles so we can use it there too
1323 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1325 dnl Propagate the run-time library path variable that the libltdl
1326 dnl checks found to the Makefiles so we can use it there too
1327 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1329 # Translate the various configuration directories and other basic
1330 # information into substitutions that will end up in Makefile.config.in
1331 # that these configured values can be used by the makefiles
1332 if test "${prefix}" = "NONE" ; then
1335 eval LLVM_PREFIX="${prefix}";
1336 eval LLVM_BINDIR="${prefix}/bin";
1337 eval LLVM_LIBDIR="${prefix}/lib";
1338 eval LLVM_DATADIR="${prefix}/share/llvm";
1339 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1340 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1341 eval LLVM_INCLUDEDIR="${prefix}/include";
1342 eval LLVM_INFODIR="${prefix}/info";
1343 eval LLVM_MANDIR="${prefix}/man";
1344 LLVM_CONFIGTIME=`date`
1345 AC_SUBST(LLVM_PREFIX)
1346 AC_SUBST(LLVM_BINDIR)
1347 AC_SUBST(LLVM_LIBDIR)
1348 AC_SUBST(LLVM_DATADIR)
1349 AC_SUBST(LLVM_DOCSDIR)
1350 AC_SUBST(LLVM_ETCDIR)
1351 AC_SUBST(LLVM_INCLUDEDIR)
1352 AC_SUBST(LLVM_INFODIR)
1353 AC_SUBST(LLVM_MANDIR)
1354 AC_SUBST(LLVM_CONFIGTIME)
1356 # Place the various directores into the config.h file as #defines so that we
1357 # can know about the installation paths within LLVM.
1358 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1359 [Installation prefix directory])
1360 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1361 [Installation directory for binary executables])
1362 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1363 [Installation directory for libraries])
1364 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1365 [Installation directory for data files])
1366 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1367 [Installation directory for documentation])
1368 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1369 [Installation directory for config files])
1370 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1371 [Installation directory for include files])
1372 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1373 [Installation directory for .info files])
1374 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1375 [Installation directory for man pages])
1376 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1377 [Time at which LLVM was configured])
1378 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1379 [Target triple LLVM will generate code for by default])
1381 # Determine which bindings to build.
1382 if test "$BINDINGS_TO_BUILD" = auto ; then
1383 BINDINGS_TO_BUILD=""
1384 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1385 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1388 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1390 # This isn't really configurey, but it avoids having to repeat the list in
1392 AC_SUBST(ALL_BINDINGS,ocaml)
1394 # Do any work necessary to ensure that bindings have what they need.
1395 binding_prereqs_failed=0
1396 for a_binding in $BINDINGS_TO_BUILD ; do
1397 case "$a_binding" in
1399 if test "x$OCAMLC" = x ; then
1400 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1401 binding_prereqs_failed=1
1403 if test "x$OCAMLDEP" = x ; then
1404 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1405 binding_prereqs_failed=1
1407 if test "x$OCAMLOPT" = x ; then
1408 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1409 dnl ocamlopt is optional!
1411 if test "x$with_ocaml_libdir" != xauto ; then
1412 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1414 ocaml_stdlib="`"$OCAMLC" -where`"
1415 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1417 # ocaml stdlib is beneath our prefix; use stdlib
1418 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1420 # ocaml stdlib is outside our prefix; use libdir/ocaml
1421 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1427 if test "$binding_prereqs_failed" = 1 ; then
1428 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1431 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1432 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1434 dnl Determine linker rpath flag
1435 if test "$llvm_cv_link_use_r" = "yes" ; then
1442 dnl Determine linker rdynamic flag
1443 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1444 RDYNAMIC="-Wl,-export-dynamic"
1450 dnl===-----------------------------------------------------------------------===
1452 dnl=== SECTION 10: Specify the output files and generate it
1454 dnl===-----------------------------------------------------------------------===
1456 dnl **************************************************************************
1457 dnl End LLVM configure.ac Import
1458 dnl **************************************************************************
1460 dnl Configure a common Makefile
1461 AC_CONFIG_FILES(Makefile.common)
1462 AC_CONFIG_FILES(Makefile.llvm.config)
1464 dnl Configure project makefiles
1465 dnl List every Makefile that exists within your source tree
1466 AC_CONFIG_MAKEFILE(Makefile)
1467 AC_CONFIG_MAKEFILE(lib/Makefile)
1468 AC_CONFIG_MAKEFILE(lib/sample/Makefile)
1469 AC_CONFIG_MAKEFILE(tools/Makefile)
1470 AC_CONFIG_MAKEFILE(tools/sample/Makefile)
1472 dnl This must be last