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 $llvm_cv_platform_type in
286 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
287 AC_SUBST(LLVM_ON_UNIX,[1])
288 AC_SUBST(LLVM_ON_WIN32,[0])
291 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
292 AC_SUBST(LLVM_ON_UNIX,[0])
293 AC_SUBST(LLVM_ON_WIN32,[1])
297 dnl Determine what our target architecture is and configure accordingly.
298 dnl This will allow Makefiles to make a distinction between the hardware and
300 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
302 i?86-*) llvm_cv_target_arch="x86" ;;
303 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
304 sparc*-*) llvm_cv_target_arch="Sparc" ;;
305 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
306 arm*-*) llvm_cv_target_arch="ARM" ;;
307 mips-*) llvm_cv_target_arch="Mips" ;;
308 xcore-*) llvm_cv_target_arch="XCore" ;;
309 msp430-*) llvm_cv_target_arch="MSP430" ;;
310 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
311 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
312 ptx-*) llvm_cv_target_arch="PTX" ;;
313 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
314 *) llvm_cv_target_arch="Unknown" ;;
317 if test "$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 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
461 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
462 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
466 dnl Allow enablement of building and installing docs
468 AS_HELP_STRING([--enable-docs],
469 [Build documents (default is YES)]),,
472 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
473 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
474 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
475 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
478 dnl Allow enablement of doxygen generated documentation
479 AC_ARG_ENABLE(doxygen,
480 AS_HELP_STRING([--enable-doxygen],
481 [Build doxygen documentation (default is NO)]),,
484 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
485 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
486 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
487 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
490 dnl Allow disablement of threads
491 AC_ARG_ENABLE(threads,
492 AS_HELP_STRING([--enable-threads],
493 [Use threads if available (default is YES)]),,
496 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
497 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
498 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
499 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
501 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
503 dnl Allow disablement of pthread.h
504 AC_ARG_ENABLE(pthreads,
505 AS_HELP_STRING([--enable-pthreads],
506 [Use pthreads if available (default is YES)]),,
509 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
510 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
511 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
512 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
515 dnl Allow building without position independent code
517 AS_HELP_STRING([--enable-pic],
518 [Build LLVM with Position Independent Code (default is YES)]),,
521 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
522 no) AC_SUBST(ENABLE_PIC,[0]) ;;
523 default) AC_SUBST(ENABLE_PIC,[1]) ;;
524 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
526 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
527 [Define if position independent code is enabled])
529 dnl Allow building a shared library and linking tools against it.
530 AC_ARG_ENABLE(shared,
531 AS_HELP_STRING([--enable-shared],
532 [Build a shared library and link tools against it (default is NO)]),,
535 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
536 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
537 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
538 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
541 dnl Allow libstdc++ is embedded in LLVM.dll.
542 AC_ARG_ENABLE(embed-stdcxx,
543 AS_HELP_STRING([--enable-embed-stdcxx],
544 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
547 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
548 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
549 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
550 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
553 dnl Enable embedding timestamp information into build.
554 AC_ARG_ENABLE(timestamps,
555 AS_HELP_STRING([--enable-timestamps],
556 [Enable embedding timestamp information in build (default is YES)]),,
559 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
560 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
561 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
562 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
564 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
565 [Define if timestamp information (e.g., __DATE___) is allowed])
567 dnl Allow specific targets to be specified for building (or not)
569 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
570 [Build specific host targets: all or target1,target2,... Valid targets are:
571 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
572 xcore, msp430, ptx, nvptx, cbe, and cpp (default=all)]),,
574 if test "$enableval" = host-only ; then
578 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 Hexagon CppBackend MBlaze PTX NVPTX" ;;
579 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
581 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
582 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
583 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
584 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
585 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
586 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
587 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
588 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
589 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
590 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
591 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
592 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
593 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
594 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
595 host) case "$llvm_cv_target_arch" in
596 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
597 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
598 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
599 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
600 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
601 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
602 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
603 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
604 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
605 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
606 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
607 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
608 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
609 *) AC_MSG_ERROR([Can not set target to build]) ;;
611 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
616 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
618 # Determine whether we are building LLVM support for the native architecture.
619 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
620 for a_target in $TARGETS_TO_BUILD; do
621 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
622 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
623 [LLVM architecture name for the native architecture, if available])
624 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
625 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
626 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
627 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
628 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
629 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
631 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
632 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
634 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
635 [LLVM name for the native Target init function, if available])
636 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
637 [LLVM name for the native TargetInfo init function, if available])
638 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
639 [LLVM name for the native target MC init function, if available])
640 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
641 [LLVM name for the native AsmPrinter init function, if available])
642 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
643 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
644 [LLVM name for the native AsmParser init function, if available])
646 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
647 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
648 [LLVM name for the native Disassembler init function, if available])
653 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
654 # target feature def files.
656 LLVM_ENUM_ASM_PRINTERS=""
657 LLVM_ENUM_ASM_PARSERS=""
658 LLVM_ENUM_DISASSEMBLERS=""
659 for target_to_build in $TARGETS_TO_BUILD; do
660 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
661 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
662 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
664 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
665 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
667 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
668 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
671 AC_SUBST(LLVM_ENUM_TARGETS)
672 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
673 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
674 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
676 dnl Override the option to use for optimized builds.
677 AC_ARG_WITH(optimize-option,
678 AS_HELP_STRING([--with-optimize-option],
679 [Select the compiler options to use for optimized builds]),,
681 AC_MSG_CHECKING([optimization flags])
684 case "$llvm_cv_os_type" in
685 FreeBSD) optimize_option=-O2 ;;
686 MingW) optimize_option=-O2 ;;
687 *) optimize_option=-O3 ;;
689 *) optimize_option="$withval" ;;
691 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
692 AC_MSG_RESULT([$optimize_option])
694 dnl Specify extra build options
695 AC_ARG_WITH(extra-options,
696 AS_HELP_STRING([--with-extra-options],
697 [Specify additional options to compile LLVM with]),,
700 default) EXTRA_OPTIONS= ;;
701 *) EXTRA_OPTIONS=$withval ;;
703 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
705 dnl Specify extra linker build options
706 AC_ARG_WITH(extra-ld-options,
707 AS_HELP_STRING([--with-extra-ld-options],
708 [Specify additional options to link LLVM with]),,
711 default) EXTRA_LD_OPTIONS= ;;
712 *) EXTRA_LD_OPTIONS=$withval ;;
714 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
716 dnl Allow specific bindings to be specified for building (or not)
717 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
718 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
722 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
723 all ) BINDINGS_TO_BUILD="ocaml" ;;
724 none | no) BINDINGS_TO_BUILD="" ;;
725 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
727 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
728 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
734 dnl Allow the ocaml libdir to be overridden. This could go in a configure
735 dnl script for bindings/ocaml/configure, except that its auto value depends on
736 dnl OCAMLC, which is found here to support tests.
737 AC_ARG_WITH([ocaml-libdir],
738 [AS_HELP_STRING([--with-ocaml-libdir],
739 [Specify install location for ocaml bindings (default is stdlib)])],
743 auto) with_ocaml_libdir="$withval" ;;
744 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
745 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
748 AC_ARG_WITH(clang-resource-dir,
749 AS_HELP_STRING([--with-clang-resource-dir],
750 [Relative directory from the Clang binary for resource files]),,
752 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
753 [Relative directory for resource files])
755 AC_ARG_WITH(c-include-dirs,
756 AS_HELP_STRING([--with-c-include-dirs],
757 [Colon separated list of directories clang will search for headers]),,
759 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
760 [Directories clang will search for headers])
762 # Clang normally uses the system c++ headers and libraries. With this option,
763 # clang will use the ones provided by a gcc installation instead. This option should
764 # be passed the same value that was used with --prefix when configuring gcc.
765 AC_ARG_WITH(gcc-toolchain,
766 AS_HELP_STRING([--with-gcc-toolchain],
767 [Directory where gcc is installed.]),,
769 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
770 [Directory where gcc is installed.])
772 dnl Allow linking of LLVM with GPLv3 binutils code.
773 AC_ARG_WITH(binutils-include,
774 AS_HELP_STRING([--with-binutils-include],
775 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
778 default) WITH_BINUTILS_INCDIR=default ;;
779 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
780 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
782 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
783 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
784 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
785 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
786 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
790 dnl Specify the URL where bug reports should be submitted.
791 AC_ARG_WITH(bug-report-url,
792 AS_HELP_STRING([--with-bug-report-url],
793 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
794 withval="http://llvm.org/bugs/")
795 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
798 dnl --enable-libffi : check whether the user wants to turn off libffi:
799 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
800 --enable-libffi,[Check for the presence of libffi (default is NO)]),
801 [case "$enableval" in
802 yes) llvm_cv_enable_libffi="yes" ;;
803 no) llvm_cv_enable_libffi="no" ;;
804 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
806 llvm_cv_enable_libffi=no)
808 dnl===-----------------------------------------------------------------------===
810 dnl=== SECTION 4: Check for programs we need and that they are the right version
812 dnl===-----------------------------------------------------------------------===
817 dnl Check for the tools that the makefiles require
820 AC_PATH_PROG(CMP, [cmp], [cmp])
821 AC_PATH_PROG(CP, [cp], [cp])
822 AC_PATH_PROG(DATE, [date], [date])
823 AC_PATH_PROG(FIND, [find], [find])
824 AC_PATH_PROG(GREP, [grep], [grep])
825 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
826 AC_PATH_PROG(MV, [mv], [mv])
828 AC_CHECK_TOOL(AR, ar, false)
829 AC_PATH_PROG(RM, [rm], [rm])
830 AC_PATH_PROG(SED, [sed], [sed])
831 AC_PATH_PROG(TAR, [tar], [gtar])
832 AC_PATH_PROG(BINPWD,[pwd], [pwd])
834 dnl Looking for misc. graph plotting software
835 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
836 if test "$GRAPHVIZ" != "echo Graphviz" ; then
837 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
838 dnl If we're targeting for mingw we should emit windows paths, not msys
839 if test "$llvm_cv_os_type" = "MingW" ; then
840 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
842 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
843 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
845 AC_PATH_PROG(DOT, [dot], [echo dot])
846 if test "$DOT" != "echo dot" ; then
847 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
848 dnl If we're targeting for mingw we should emit windows paths, not msys
849 if test "$llvm_cv_os_type" = "MingW" ; then
850 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
852 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
853 [Define to path to dot program if found or 'echo dot' otherwise])
855 AC_PATH_PROG(FDP, [fdp], [echo fdp])
856 if test "$FDP" != "echo fdp" ; then
857 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
858 dnl If we're targeting for mingw we should emit windows paths, not msys
859 if test "$llvm_cv_os_type" = "MingW" ; then
860 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
862 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
863 [Define to path to fdp program if found or 'echo fdp' otherwise])
865 AC_PATH_PROG(NEATO, [neato], [echo neato])
866 if test "$NEATO" != "echo neato" ; then
867 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
868 dnl If we're targeting for mingw we should emit windows paths, not msys
869 if test "$llvm_cv_os_type" = "MingW" ; then
870 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
872 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
873 [Define to path to neato program if found or 'echo neato' otherwise])
875 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
876 if test "$TWOPI" != "echo twopi" ; then
877 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
878 dnl If we're targeting for mingw we should emit windows paths, not msys
879 if test "$llvm_cv_os_type" = "MingW" ; then
880 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
882 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
883 [Define to path to twopi program if found or 'echo twopi' otherwise])
885 AC_PATH_PROG(CIRCO, [circo], [echo circo])
886 if test "$CIRCO" != "echo circo" ; then
887 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
888 dnl If we're targeting for mingw we should emit windows paths, not msys
889 if test "$llvm_cv_os_type" = "MingW" ; then
890 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
892 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
893 [Define to path to circo program if found or 'echo circo' otherwise])
895 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
896 if test "$GV" != "echo gv" ; then
897 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
898 dnl If we're targeting for mingw we should emit windows paths, not msys
899 if test "$llvm_cv_os_type" = "MingW" ; then
900 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
902 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
903 [Define to path to gv program if found or 'echo gv' otherwise])
905 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
906 if test "$DOTTY" != "echo dotty" ; then
907 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
908 dnl If we're targeting for mingw we should emit windows paths, not msys
909 if test "$llvm_cv_os_type" = "MingW" ; then
910 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
912 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
913 [Define to path to dotty program if found or 'echo dotty' otherwise])
915 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
916 if test "$XDOT_PY" != "echo xdot.py" ; then
917 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
918 dnl If we're targeting for mingw we should emit windows paths, not msys
919 if test "$llvm_cv_os_type" = "MingW" ; then
920 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
922 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
923 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
926 dnl Find the install program
928 dnl Prepend src dir to install path dir if it's a relative path
929 dnl This is a hack for installs that take place in something other
930 dnl than the top level.
932 [[\\/$]]* | ?:[[\\/]]* ) ;;
933 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
936 dnl Checks for documentation and testing tools that we can do without. If these
937 dnl are not found then they are set to "true" which always succeeds but does
938 dnl nothing. This just lets the build output show that we could have done
939 dnl something if the tool was available.
940 AC_PATH_PROG(BZIP2, [bzip2])
941 AC_PATH_PROG(CAT, [cat])
942 AC_PATH_PROG(DOXYGEN, [doxygen])
943 AC_PATH_PROG(GROFF, [groff])
944 AC_PATH_PROG(GZIPBIN, [gzip])
945 AC_PATH_PROG(POD2HTML, [pod2html])
946 AC_PATH_PROG(POD2MAN, [pod2man])
947 AC_PATH_PROG(PDFROFF, [pdfroff])
948 AC_PATH_PROG(RUNTEST, [runtest])
950 AC_PATH_PROG(ZIP, [zip])
951 AC_PATH_PROGS(OCAMLC, [ocamlc])
952 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
953 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
954 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
955 AC_PATH_PROGS(GAS, [gas as])
957 dnl Get the version of the linker in use.
960 dnl Determine whether the linker supports the -R option.
963 dnl Determine whether the linker supports the -export-dynamic option.
964 AC_LINK_EXPORT_DYNAMIC
966 dnl Determine whether the linker supports the --version-script option.
967 AC_LINK_VERSION_SCRIPT
969 dnl Check for libtool and the library that has dlopen function (which must come
970 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
975 AC_MSG_CHECKING([tool compatibility])
977 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
978 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
979 dnl to support those options.
980 dnl "icc" emits gcc signatures
981 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
993 if test "$GCC" != "yes" && test "$ICC" != "yes"
995 AC_MSG_ERROR([gcc|icc required but not found])
998 dnl Ensure that compilation tools are compatible with GCC extensions
999 if test "$GXX" != "yes" && test "$IXX" != "yes"
1001 AC_MSG_ERROR([g++|clang++|icc required but not found])
1004 dnl Verify that GCC is version 3.0 or higher
1005 if test "$GCC" = "yes"
1007 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1008 #error Unsupported GCC version
1010 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1013 dnl Check for GNU Make. We use its extensions, so don't build without it
1014 if test -z "$llvm_cv_gnu_make_command"
1016 AC_MSG_ERROR([GNU Make required but not found])
1019 dnl Tool compatibility is okay if we make it here.
1022 dnl Check optional compiler flags.
1023 AC_MSG_CHECKING([optional compiler flags])
1024 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1025 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1026 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1027 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1029 dnl===-----------------------------------------------------------------------===
1031 dnl=== SECTION 5: Check for libraries
1033 dnl===-----------------------------------------------------------------------===
1036 if test "$llvm_cv_os_type" = "MingW" ; then
1037 AC_CHECK_LIB(imagehlp, main)
1038 AC_CHECK_LIB(psapi, main)
1041 dnl dlopen() is required for plugin support.
1042 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1043 [Define if dlopen() is available on this platform.]),
1044 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1046 dnl libffi is optional; used to call external functions from the interpreter
1047 if test "$llvm_cv_enable_libffi" = "yes" ; then
1048 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1049 [Define if libffi is available on this platform.]),
1050 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1053 dnl mallinfo is optional; the code can compile (minus features) without it
1054 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1055 [Define if mallinfo() is available on this platform.]))
1057 dnl pthread locking functions are optional - but llvm will not be thread-safe
1059 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1060 AC_CHECK_LIB(pthread, pthread_mutex_init)
1061 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1062 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1063 [Have pthread_mutex_lock]))
1064 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1065 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1066 [Have pthread_rwlock_init]))
1067 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1068 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1069 [Have pthread_getspecific]))
1072 dnl Allow extra x86-disassembler library
1074 AS_HELP_STRING([--with-udis86=<path>],
1075 [Use udis86 external x86 disassembler library]),
1077 AC_SUBST(USE_UDIS86, [1])
1080 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1082 AC_CHECK_LIB(udis86, ud_init, [], [
1083 echo "Error! You need to have libudis86 around."
1087 AC_SUBST(USE_UDIS86, [0]))
1088 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1089 [Define if use udis86 library])
1091 dnl Allow OProfile support for JIT output.
1092 AC_ARG_WITH(oprofile,
1093 AS_HELP_STRING([--with-oprofile=<prefix>],
1094 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1096 AC_SUBST(USE_OPROFILE, [1])
1098 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1100 AC_SUBST(USE_OPROFILE, [0]) ;;
1101 *) llvm_cv_oppath="${withval}/lib/oprofile"
1102 CPPFLAGS="-I${withval}/include";;
1104 if test -n "$llvm_cv_oppath" ; then
1105 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1106 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1107 dnl libbfd is not included properly in libopagent in some Debian
1108 dnl versions. If libbfd isn't found at all, we assume opagent works
1110 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1111 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1112 echo "Error! You need to have libopagent around."
1115 AC_CHECK_HEADER([opagent.h], [], [
1116 echo "Error! You need to have opagent.h around."
1122 AC_SUBST(USE_OPROFILE, [0])
1124 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1125 [Define if we have the oprofile JIT-support library])
1127 dnl===-----------------------------------------------------------------------===
1129 dnl=== SECTION 6: Check for header files
1131 dnl===-----------------------------------------------------------------------===
1133 dnl First, use autoconf provided macros for specific headers that we need
1134 dnl We don't check for ancient stuff or things that are guaranteed to be there
1135 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1136 dnl Generally we're looking for POSIX headers.
1138 AC_HEADER_MMAP_ANONYMOUS
1143 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1144 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1145 AC_CHECK_HEADERS([utime.h windows.h])
1146 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1147 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1148 AC_CHECK_HEADERS([valgrind/valgrind.h])
1149 AC_CHECK_HEADERS([fenv.h])
1150 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1151 AC_CHECK_HEADERS(pthread.h,
1152 AC_SUBST(HAVE_PTHREAD, 1),
1153 AC_SUBST(HAVE_PTHREAD, 0))
1155 AC_SUBST(HAVE_PTHREAD, 0)
1158 dnl Try to find ffi.h.
1159 if test "$llvm_cv_enable_libffi" = "yes" ; then
1160 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1163 dnl Try to find Darwin specific crash reporting libraries.
1164 AC_CHECK_HEADERS([CrashReporterClient.h])
1166 dnl Try to find Darwin specific crash reporting global.
1167 AC_MSG_CHECKING([__crashreporter_info__])
1170 [[extern const char *__crashreporter_info__;
1172 __crashreporter_info__ = "test";
1177 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1179 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1180 Define if __crashreporter_info__ exists.))
1182 dnl===-----------------------------------------------------------------------===
1184 dnl=== SECTION 7: Check for types and structures
1186 dnl===-----------------------------------------------------------------------===
1191 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1193 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1194 AC_CHECK_TYPES([uint64_t],,
1195 AC_CHECK_TYPES([u_int64_t],,
1196 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1198 dnl===-----------------------------------------------------------------------===
1200 dnl=== SECTION 8: Check for specific functions needed
1202 dnl===-----------------------------------------------------------------------===
1204 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1205 AC_CHECK_FUNCS([powf fmodf strtof round ])
1206 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1207 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1208 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1209 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1210 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1211 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1215 dnl Check the declaration "Secure API" on Windows environments.
1216 AC_CHECK_DECLS([strerror_s])
1218 dnl Check symbols in libgcc.a for JIT on Mingw.
1219 if test "$llvm_cv_os_type" = "MingW" ; then
1220 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1221 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1222 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1223 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1225 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1226 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1227 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1228 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1229 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1230 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1231 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1232 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1233 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1234 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1236 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1237 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1240 dnl Check Win32 API EnumerateLoadedModules.
1241 if test "$llvm_cv_os_type" = "MingW" ; then
1242 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1243 AC_COMPILE_IFELSE([[#include <windows.h>
1244 #include <imagehlp.h>
1245 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1246 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1248 AC_MSG_RESULT([yes])
1249 llvm_cv_win32_elmcb_pcstr="PCSTR"
1253 llvm_cv_win32_elmcb_pcstr="PSTR"
1255 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1258 dnl Check for variations in the Standard C++ library and STL. These macros are
1259 dnl provided by LLVM in the autoconf/m4 directory.
1263 dnl Check for mmap support.We also need to know if /dev/zero is required to
1264 dnl be opened for allocating RWX memory.
1265 dnl Make sure we aren't attempting to configure for an unknown system
1266 if test "$llvm_cv_platform_type" = "Unix" ; then
1269 AC_NEED_DEV_ZERO_FOR_MMAP
1271 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1273 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1275 if test "$ac_cv_func_mmap_file" = "no"
1277 AC_MSG_WARN([mmap() of files required but not found])
1281 dnl atomic builtins are required for threading support.
1282 AC_MSG_CHECKING(for GCC atomic builtins)
1283 dnl Since we'll be using these atomic builtins in C++ files we should test
1284 dnl the C++ compiler.
1289 volatile unsigned long val = 1;
1290 __sync_synchronize();
1291 __sync_val_compare_and_swap(&val, 1, 0);
1292 __sync_add_and_fetch(&val, 1);
1293 __sync_sub_and_fetch(&val, 1);
1299 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1301 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1302 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1304 dnl===-----------------------------------------------------------------------===
1306 dnl=== SECTION 9: Additional checks, variables, etc.
1308 dnl===-----------------------------------------------------------------------===
1310 dnl Handle 32-bit linux systems running a 64-bit kernel.
1311 dnl This has to come after section 4 because it invokes the compiler.
1312 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1314 if test "$llvm_cv_linux_mixed" = "yes"; then
1315 llvm_cv_target_arch="x86"
1320 dnl Check whether __dso_handle is present
1321 AC_CHECK_FUNCS([__dso_handle])
1323 dnl Propagate the shared library extension that the libltdl checks did to
1324 dnl the Makefiles so we can use it there too
1325 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1327 dnl Propagate the run-time library path variable that the libltdl
1328 dnl checks found to the Makefiles so we can use it there too
1329 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1331 # Translate the various configuration directories and other basic
1332 # information into substitutions that will end up in Makefile.config.in
1333 # that these configured values can be used by the makefiles
1334 if test "${prefix}" = "NONE" ; then
1337 eval LLVM_PREFIX="${prefix}";
1338 eval LLVM_BINDIR="${prefix}/bin";
1339 eval LLVM_LIBDIR="${prefix}/lib";
1340 eval LLVM_DATADIR="${prefix}/share/llvm";
1341 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1342 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1343 eval LLVM_INCLUDEDIR="${prefix}/include";
1344 eval LLVM_INFODIR="${prefix}/info";
1345 eval LLVM_MANDIR="${prefix}/man";
1346 LLVM_CONFIGTIME=`date`
1347 AC_SUBST(LLVM_PREFIX)
1348 AC_SUBST(LLVM_BINDIR)
1349 AC_SUBST(LLVM_LIBDIR)
1350 AC_SUBST(LLVM_DATADIR)
1351 AC_SUBST(LLVM_DOCSDIR)
1352 AC_SUBST(LLVM_ETCDIR)
1353 AC_SUBST(LLVM_INCLUDEDIR)
1354 AC_SUBST(LLVM_INFODIR)
1355 AC_SUBST(LLVM_MANDIR)
1356 AC_SUBST(LLVM_CONFIGTIME)
1358 # Place the various directores into the config.h file as #defines so that we
1359 # can know about the installation paths within LLVM.
1360 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1361 [Installation prefix directory])
1362 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1363 [Installation directory for binary executables])
1364 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1365 [Installation directory for libraries])
1366 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1367 [Installation directory for data files])
1368 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1369 [Installation directory for documentation])
1370 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1371 [Installation directory for config files])
1372 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1373 [Installation directory for include files])
1374 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1375 [Installation directory for .info files])
1376 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1377 [Installation directory for man pages])
1378 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1379 [Time at which LLVM was configured])
1380 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1381 [Target triple LLVM will generate code for by default])
1383 # Determine which bindings to build.
1384 if test "$BINDINGS_TO_BUILD" = auto ; then
1385 BINDINGS_TO_BUILD=""
1386 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1387 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1390 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1392 # This isn't really configurey, but it avoids having to repeat the list in
1394 AC_SUBST(ALL_BINDINGS,ocaml)
1396 # Do any work necessary to ensure that bindings have what they need.
1397 binding_prereqs_failed=0
1398 for a_binding in $BINDINGS_TO_BUILD ; do
1399 case "$a_binding" in
1401 if test "x$OCAMLC" = x ; then
1402 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1403 binding_prereqs_failed=1
1405 if test "x$OCAMLDEP" = x ; then
1406 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1407 binding_prereqs_failed=1
1409 if test "x$OCAMLOPT" = x ; then
1410 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1411 dnl ocamlopt is optional!
1413 if test "x$with_ocaml_libdir" != xauto ; then
1414 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1416 ocaml_stdlib="`"$OCAMLC" -where`"
1417 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1419 # ocaml stdlib is beneath our prefix; use stdlib
1420 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1422 # ocaml stdlib is outside our prefix; use libdir/ocaml
1423 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1429 if test "$binding_prereqs_failed" = 1 ; then
1430 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1433 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1434 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1436 dnl Determine linker rpath flag
1437 if test "$llvm_cv_link_use_r" = "yes" ; then
1444 dnl Determine linker rdynamic flag
1445 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1446 RDYNAMIC="-Wl,-export-dynamic"
1452 dnl===-----------------------------------------------------------------------===
1454 dnl=== SECTION 10: Specify the output files and generate it
1456 dnl===-----------------------------------------------------------------------===
1458 dnl **************************************************************************
1459 dnl End LLVM configure.ac Import
1460 dnl **************************************************************************
1462 dnl Configure a common Makefile
1463 AC_CONFIG_FILES(Makefile.common)
1464 AC_CONFIG_FILES(Makefile.llvm.config)
1466 dnl Configure project makefiles
1467 dnl List every Makefile that exists within your source tree
1468 AC_CONFIG_MAKEFILE(Makefile)
1469 AC_CONFIG_MAKEFILE(lib/Makefile)
1470 AC_CONFIG_MAKEFILE(lib/sample/Makefile)
1471 AC_CONFIG_MAKEFILE(tools/Makefile)
1472 AC_CONFIG_MAKEFILE(tools/sample/Makefile)
1474 dnl This must be last