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" ;;
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,-z,allextract"
172 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
173 llvm_cv_os_type="SunOS"
174 llvm_cv_platform_type="Unix" ;;
176 llvm_cv_link_all_option="-Wl,-z,allextract"
177 llvm_cv_link_all_option="-Wl,-z,defaultextract"
178 llvm_cv_os_type="AuroraUX"
179 llvm_cv_platform_type="Unix" ;;
181 llvm_cv_link_all_option="-Wl,--whole-archive"
182 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
183 llvm_cv_os_type="Win32"
184 llvm_cv_platform_type="Win32" ;;
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="MingW"
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="Haiku"
194 llvm_cv_platform_type="Unix" ;;
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="Freestanding"
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=""
207 llvm_cv_no_link_all_option=""
208 llvm_cv_os_type="Unknown"
209 llvm_cv_platform_type="Unknown" ;;
212 AC_CACHE_CHECK([type of operating system we're going to target],
213 [llvm_cv_target_os_type],
216 llvm_cv_target_os_type="AIX" ;;
218 llvm_cv_target_os_type="IRIX" ;;
220 llvm_cv_target_os_type="Cygwin" ;;
222 llvm_cv_target_os_type="Darwin" ;;
224 llvm_cv_target_os_type="Minix" ;;
226 llvm_cv_target_os_type="FreeBSD" ;;
228 llvm_cv_target_os_type="OpenBSD" ;;
230 llvm_cv_target_os_type="NetBSD" ;;
232 llvm_cv_target_os_type="DragonFly" ;;
234 llvm_cv_target_os_type="HP-UX" ;;
236 llvm_cv_target_os_type="Interix" ;;
238 llvm_cv_target_os_type="Linux" ;;
240 llvm_cv_target_os_type="SunOS" ;;
242 llvm_cv_target_os_type="AuroraUX" ;;
244 llvm_cv_target_os_type="Win32" ;;
246 llvm_cv_target_os_type="MingW" ;;
248 llvm_cv_target_os_type="Haiku" ;;
250 llvm_cv_target_os_type="RTEMS" ;;
252 llvm_cv_target_os_type="NativeClient" ;;
254 llvm_cv_target_os_type="Freestanding" ;;
256 llvm_cv_target_os_type="Unknown" ;;
259 dnl Make sure we aren't attempting to configure for an unknown system
260 if test "$llvm_cv_os_type" = "Unknown" ; then
261 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
264 dnl Set the "OS" Makefile variable based on the platform type so the
265 dnl makefile can configure itself to specific build hosts
266 AC_SUBST(OS,$llvm_cv_os_type)
267 AC_SUBST(HOST_OS,$llvm_cv_os_type)
268 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
270 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
271 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
272 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
274 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
275 dnl This is used by lib/Support to determine the basic kind of implementation
277 case $llvm_cv_platform_type in
279 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
280 AC_SUBST(LLVM_ON_UNIX,[1])
281 AC_SUBST(LLVM_ON_WIN32,[0])
284 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
285 AC_SUBST(LLVM_ON_UNIX,[0])
286 AC_SUBST(LLVM_ON_WIN32,[1])
290 dnl Determine what our target architecture is and configure accordingly.
291 dnl This will allow Makefiles to make a distinction between the hardware and
293 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
295 i?86-*) llvm_cv_target_arch="x86" ;;
296 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
297 sparc*-*) llvm_cv_target_arch="Sparc" ;;
298 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
299 arm*-*) llvm_cv_target_arch="ARM" ;;
300 mips-*) llvm_cv_target_arch="Mips" ;;
301 xcore-*) llvm_cv_target_arch="XCore" ;;
302 msp430-*) llvm_cv_target_arch="MSP430" ;;
303 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
304 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
305 ptx-*) llvm_cv_target_arch="PTX" ;;
306 *) llvm_cv_target_arch="Unknown" ;;
309 if test "$llvm_cv_target_arch" = "Unknown" ; then
310 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
313 # Determine the LLVM native architecture for the target
314 case "$llvm_cv_target_arch" in
315 x86) LLVM_NATIVE_ARCH="X86" ;;
316 x86_64) LLVM_NATIVE_ARCH="X86" ;;
317 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
320 dnl Define a substitution, ARCH, for the target architecture
321 AC_SUBST(ARCH,$llvm_cv_target_arch)
323 dnl Check for the endianness of the target
324 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
326 dnl Check for build platform executable suffix if we're crosscompiling
327 if test "$cross_compiling" = yes; then
328 AC_SUBST(LLVM_CROSS_COMPILING, [1])
330 ac_build_prefix=${build_alias}-
331 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
332 if test -z "$BUILD_CXX"; then
333 AC_CHECK_PROG(BUILD_CXX, g++, g++)
334 if test -z "$BUILD_CXX"; then
335 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
339 AC_SUBST(LLVM_CROSS_COMPILING, [0])
342 dnl Check to see if there's a .svn or .git directory indicating that this
343 dnl build is being done from a checkout. This sets up several defaults for
344 dnl the command line switches. When we build with a checkout directory,
345 dnl we get a debug with assertions turned on. Without, we assume a source
346 dnl release and we get an optimized build without assertions.
347 dnl See --enable-optimized and --enable-assertions below
348 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
351 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
357 dnl===-----------------------------------------------------------------------===
359 dnl=== SECTION 3: Command line arguments for the configure script.
361 dnl===-----------------------------------------------------------------------===
363 dnl --enable-libcpp : check whether or not to use libc++ on the command line
364 AC_ARG_ENABLE(libcpp,
365 AS_HELP_STRING([--enable-libcpp],
366 [Use libc++ if available (default is NO)]),,
369 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
370 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
371 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
372 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
375 dnl --enable-optimized : check whether they want to do an optimized build:
376 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
377 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
378 if test ${enableval} = "no" ; then
379 AC_SUBST(ENABLE_OPTIMIZED,[[]])
381 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
384 dnl --enable-profiling : check whether they want to do a profile build:
385 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
386 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
387 if test ${enableval} = "no" ; then
388 AC_SUBST(ENABLE_PROFILING,[[]])
390 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
393 dnl --enable-assertions : check whether they want to turn on assertions or not:
394 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
395 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
396 if test ${enableval} = "yes" ; then
397 AC_SUBST(DISABLE_ASSERTIONS,[[]])
399 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
402 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
403 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
404 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
405 if test ${enableval} = "yes" ; then
406 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
407 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
409 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
410 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
413 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
414 AC_ARG_ENABLE(debug-runtime,
415 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
416 if test ${enableval} = "no" ; then
417 AC_SUBST(DEBUG_RUNTIME,[[]])
419 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
422 dnl --enable-debug-symbols : should even optimized compiler libraries
423 dnl have debug symbols?
424 AC_ARG_ENABLE(debug-symbols,
425 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)
426 if test ${enableval} = "no" ; then
427 AC_SUBST(DEBUG_SYMBOLS,[[]])
429 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
432 dnl --enable-jit: check whether they want to enable the jit
434 AS_HELP_STRING(--enable-jit,
435 [Enable Just In Time Compiling (default is YES)]),,
437 if test ${enableval} = "no"
441 case "$llvm_cv_target_arch" in
442 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
443 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
444 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
445 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
446 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
447 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
448 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
449 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
450 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
451 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
452 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
453 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
457 dnl Allow enablement of building and installing docs
459 AS_HELP_STRING([--enable-docs],
460 [Build documents (default is YES)]),,
463 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
464 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
465 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
466 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
469 dnl Allow enablement of doxygen generated documentation
470 AC_ARG_ENABLE(doxygen,
471 AS_HELP_STRING([--enable-doxygen],
472 [Build doxygen documentation (default is NO)]),,
475 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
476 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
477 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
478 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
481 dnl Allow disablement of threads
482 AC_ARG_ENABLE(threads,
483 AS_HELP_STRING([--enable-threads],
484 [Use threads if available (default is YES)]),,
487 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
488 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
489 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
490 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
492 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
494 dnl Allow disablement of pthread.h
495 AC_ARG_ENABLE(pthreads,
496 AS_HELP_STRING([--enable-pthreads],
497 [Use pthreads if available (default is YES)]),,
500 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
501 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
502 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
503 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
506 dnl Allow building without position independent code
508 AS_HELP_STRING([--enable-pic],
509 [Build LLVM with Position Independent Code (default is YES)]),,
512 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
513 no) AC_SUBST(ENABLE_PIC,[0]) ;;
514 default) AC_SUBST(ENABLE_PIC,[1]) ;;
515 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
517 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
518 [Define if position independent code is enabled])
520 dnl Allow building a shared library and linking tools against it.
521 AC_ARG_ENABLE(shared,
522 AS_HELP_STRING([--enable-shared],
523 [Build a shared library and link tools against it (default is NO)]),,
526 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
527 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
528 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
529 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
532 dnl Allow libstdc++ is embedded in LLVM.dll.
533 AC_ARG_ENABLE(embed-stdcxx,
534 AS_HELP_STRING([--enable-embed-stdcxx],
535 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
538 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
539 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
540 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
541 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
544 dnl Enable embedding timestamp information into build.
545 AC_ARG_ENABLE(timestamps,
546 AS_HELP_STRING([--enable-timestamps],
547 [Enable embedding timestamp information in build (default is YES)]),,
550 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
551 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
552 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
553 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
555 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
556 [Define if timestamp information (e.g., __DATE___) is allowed])
558 dnl Allow specific targets to be specified for building (or not)
560 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
561 [Build specific host targets: all or target1,target2,... Valid targets are:
562 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
563 xcore, msp430, ptx, cbe, and cpp (default=all)]),,
565 if test "$enableval" = host-only ; then
569 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 Hexagon CppBackend MBlaze PTX" ;;
570 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
572 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
573 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
574 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
575 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
576 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
577 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
578 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
579 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
580 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
581 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
582 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
583 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
584 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
585 host) case "$llvm_cv_target_arch" in
586 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
587 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
588 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
589 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
590 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
591 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
592 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
593 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
594 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
595 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
596 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
597 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
598 *) AC_MSG_ERROR([Can not set target to build]) ;;
600 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
605 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
607 # Determine whether we are building LLVM support for the native architecture.
608 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
609 for a_target in $TARGETS_TO_BUILD; do
610 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
611 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
612 [LLVM architecture name for the native architecture, if available])
613 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
614 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
615 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
616 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
617 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
618 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
620 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
621 [LLVM name for the native Target init function, if available])
622 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
623 [LLVM name for the native TargetInfo init function, if available])
624 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
625 [LLVM name for the native target MC init function, if available])
626 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
627 [LLVM name for the native AsmPrinter init function, if available])
628 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
629 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
630 [LLVM name for the native AsmParser init function, if available])
635 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
636 # target feature def files.
638 LLVM_ENUM_ASM_PRINTERS=""
639 LLVM_ENUM_ASM_PARSERS=""
640 LLVM_ENUM_DISASSEMBLERS=""
641 for target_to_build in $TARGETS_TO_BUILD; do
642 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
643 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
644 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
646 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
647 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
649 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
650 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
653 AC_SUBST(LLVM_ENUM_TARGETS)
654 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
655 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
656 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
658 dnl Override the option to use for optimized builds.
659 AC_ARG_WITH(optimize-option,
660 AS_HELP_STRING([--with-optimize-option],
661 [Select the compiler options to use for optimized builds]),,
663 AC_MSG_CHECKING([optimization flags])
666 case "$llvm_cv_os_type" in
667 FreeBSD) optimize_option=-O2 ;;
668 MingW) optimize_option=-O2 ;;
669 *) optimize_option=-O3 ;;
671 *) optimize_option="$withval" ;;
673 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
674 AC_MSG_RESULT([$optimize_option])
676 dnl Specify extra build options
677 AC_ARG_WITH(extra-options,
678 AS_HELP_STRING([--with-extra-options],
679 [Specify additional options to compile LLVM with]),,
682 default) EXTRA_OPTIONS= ;;
683 *) EXTRA_OPTIONS=$withval ;;
685 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
687 dnl Specify extra linker build options
688 AC_ARG_WITH(extra-ld-options,
689 AS_HELP_STRING([--with-extra-ld-options],
690 [Specify additional options to link LLVM with]),,
693 default) EXTRA_LD_OPTIONS= ;;
694 *) EXTRA_LD_OPTIONS=$withval ;;
696 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
698 dnl Allow specific bindings to be specified for building (or not)
699 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
700 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
704 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
705 all ) BINDINGS_TO_BUILD="ocaml" ;;
706 none | no) BINDINGS_TO_BUILD="" ;;
707 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
709 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
710 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
716 dnl Allow the ocaml libdir to be overridden. This could go in a configure
717 dnl script for bindings/ocaml/configure, except that its auto value depends on
718 dnl OCAMLC, which is found here to support tests.
719 AC_ARG_WITH([ocaml-libdir],
720 [AS_HELP_STRING([--with-ocaml-libdir],
721 [Specify install location for ocaml bindings (default is stdlib)])],
725 auto) with_ocaml_libdir="$withval" ;;
726 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
727 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
730 AC_ARG_WITH(clang-resource-dir,
731 AS_HELP_STRING([--with-clang-resource-dir],
732 [Relative directory from the Clang binary for resource files]),,
734 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
735 [Relative directory for resource files])
737 AC_ARG_WITH(c-include-dirs,
738 AS_HELP_STRING([--with-c-include-dirs],
739 [Colon separated list of directories clang will search for headers]),,
741 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
742 [Directories clang will search for headers])
744 # Clang normally uses the system c++ headers and libraries. With this option,
745 # clang will use the ones provided by a gcc installation instead. This option should
746 # be passed the same value that was used with --prefix when configuring gcc.
747 AC_ARG_WITH(gcc-toolchain,
748 AS_HELP_STRING([--with-gcc-toolchain],
749 [Directory where gcc is installed.]),,
751 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
752 [Directory where gcc is installed.])
754 dnl Allow linking of LLVM with GPLv3 binutils code.
755 AC_ARG_WITH(binutils-include,
756 AS_HELP_STRING([--with-binutils-include],
757 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
760 default) WITH_BINUTILS_INCDIR=default ;;
761 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
762 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
764 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
765 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
766 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
767 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
768 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
772 dnl Specify the URL where bug reports should be submitted.
773 AC_ARG_WITH(bug-report-url,
774 AS_HELP_STRING([--with-bug-report-url],
775 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
776 withval="http://llvm.org/bugs/")
777 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
780 dnl --enable-libffi : check whether the user wants to turn off libffi:
781 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
782 --enable-libffi,[Check for the presence of libffi (default is NO)]),
783 [case "$enableval" in
784 yes) llvm_cv_enable_libffi="yes" ;;
785 no) llvm_cv_enable_libffi="no" ;;
786 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
788 llvm_cv_enable_libffi=no)
790 dnl===-----------------------------------------------------------------------===
792 dnl=== SECTION 4: Check for programs we need and that they are the right version
794 dnl===-----------------------------------------------------------------------===
799 dnl Check for the tools that the makefiles require
802 AC_PATH_PROG(CMP, [cmp], [cmp])
803 AC_PATH_PROG(CP, [cp], [cp])
804 AC_PATH_PROG(DATE, [date], [date])
805 AC_PATH_PROG(FIND, [find], [find])
806 AC_PATH_PROG(GREP, [grep], [grep])
807 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
808 AC_PATH_PROG(MV, [mv], [mv])
810 AC_CHECK_TOOL(AR, ar, false)
811 AC_PATH_PROG(RM, [rm], [rm])
812 AC_PATH_PROG(SED, [sed], [sed])
813 AC_PATH_PROG(TAR, [tar], [gtar])
814 AC_PATH_PROG(BINPWD,[pwd], [pwd])
816 dnl Looking for misc. graph plotting software
817 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
818 if test "$GRAPHVIZ" != "echo Graphviz" ; then
819 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
820 dnl If we're targeting for mingw we should emit windows paths, not msys
821 if test "$llvm_cv_os_type" = "MingW" ; then
822 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
824 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
825 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
827 AC_PATH_PROG(DOT, [dot], [echo dot])
828 if test "$DOT" != "echo dot" ; then
829 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
830 dnl If we're targeting for mingw we should emit windows paths, not msys
831 if test "$llvm_cv_os_type" = "MingW" ; then
832 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
834 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
835 [Define to path to dot program if found or 'echo dot' otherwise])
837 AC_PATH_PROG(FDP, [fdp], [echo fdp])
838 if test "$FDP" != "echo fdp" ; then
839 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
840 dnl If we're targeting for mingw we should emit windows paths, not msys
841 if test "$llvm_cv_os_type" = "MingW" ; then
842 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
844 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
845 [Define to path to fdp program if found or 'echo fdp' otherwise])
847 AC_PATH_PROG(NEATO, [neato], [echo neato])
848 if test "$NEATO" != "echo neato" ; then
849 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
850 dnl If we're targeting for mingw we should emit windows paths, not msys
851 if test "$llvm_cv_os_type" = "MingW" ; then
852 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
854 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
855 [Define to path to neato program if found or 'echo neato' otherwise])
857 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
858 if test "$TWOPI" != "echo twopi" ; then
859 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
860 dnl If we're targeting for mingw we should emit windows paths, not msys
861 if test "$llvm_cv_os_type" = "MingW" ; then
862 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
864 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
865 [Define to path to twopi program if found or 'echo twopi' otherwise])
867 AC_PATH_PROG(CIRCO, [circo], [echo circo])
868 if test "$CIRCO" != "echo circo" ; then
869 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
870 dnl If we're targeting for mingw we should emit windows paths, not msys
871 if test "$llvm_cv_os_type" = "MingW" ; then
872 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
874 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
875 [Define to path to circo program if found or 'echo circo' otherwise])
877 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
878 if test "$GV" != "echo gv" ; then
879 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
880 dnl If we're targeting for mingw we should emit windows paths, not msys
881 if test "$llvm_cv_os_type" = "MingW" ; then
882 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
884 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
885 [Define to path to gv program if found or 'echo gv' otherwise])
887 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
888 if test "$DOTTY" != "echo dotty" ; then
889 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
890 dnl If we're targeting for mingw we should emit windows paths, not msys
891 if test "$llvm_cv_os_type" = "MingW" ; then
892 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
894 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
895 [Define to path to dotty program if found or 'echo dotty' otherwise])
897 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
898 if test "$XDOT_PY" != "echo xdot.py" ; then
899 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
900 dnl If we're targeting for mingw we should emit windows paths, not msys
901 if test "$llvm_cv_os_type" = "MingW" ; then
902 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
904 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
905 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
908 dnl Find the install program
910 dnl Prepend src dir to install path dir if it's a relative path
911 dnl This is a hack for installs that take place in something other
912 dnl than the top level.
914 [[\\/$]]* | ?:[[\\/]]* ) ;;
915 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
918 dnl Checks for documentation and testing tools that we can do without. If these
919 dnl are not found then they are set to "true" which always succeeds but does
920 dnl nothing. This just lets the build output show that we could have done
921 dnl something if the tool was available.
922 AC_PATH_PROG(BZIP2, [bzip2])
923 AC_PATH_PROG(CAT, [cat])
924 AC_PATH_PROG(DOXYGEN, [doxygen])
925 AC_PATH_PROG(GROFF, [groff])
926 AC_PATH_PROG(GZIPBIN, [gzip])
927 AC_PATH_PROG(POD2HTML, [pod2html])
928 AC_PATH_PROG(POD2MAN, [pod2man])
929 AC_PATH_PROG(PDFROFF, [pdfroff])
930 AC_PATH_PROG(RUNTEST, [runtest])
932 AC_PATH_PROG(ZIP, [zip])
933 AC_PATH_PROGS(OCAMLC, [ocamlc])
934 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
935 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
936 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
937 AC_PATH_PROGS(GAS, [gas as])
939 dnl Get the version of the linker in use.
942 dnl Determine whether the linker supports the -R option.
945 dnl Determine whether the linker supports the -export-dynamic option.
946 AC_LINK_EXPORT_DYNAMIC
948 dnl Determine whether the linker supports the --version-script option.
949 AC_LINK_VERSION_SCRIPT
951 dnl Check for libtool and the library that has dlopen function (which must come
952 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
957 AC_MSG_CHECKING([tool compatibility])
959 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
960 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
961 dnl to support those options.
962 dnl "icc" emits gcc signatures
963 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
975 if test "$GCC" != "yes" && test "$ICC" != "yes"
977 AC_MSG_ERROR([gcc|icc required but not found])
980 dnl Ensure that compilation tools are compatible with GCC extensions
981 if test "$GXX" != "yes" && test "$IXX" != "yes"
983 AC_MSG_ERROR([g++|clang++|icc required but not found])
986 dnl Verify that GCC is version 3.0 or higher
987 if test "$GCC" = "yes"
989 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
990 #error Unsupported GCC version
992 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
995 dnl Check for GNU Make. We use its extensions, so don't build without it
996 if test -z "$llvm_cv_gnu_make_command"
998 AC_MSG_ERROR([GNU Make required but not found])
1001 dnl Tool compatibility is okay if we make it here.
1004 dnl Check optional compiler flags.
1005 AC_MSG_CHECKING([optional compiler flags])
1006 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1007 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1008 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1009 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1011 dnl===-----------------------------------------------------------------------===
1013 dnl=== SECTION 5: Check for libraries
1015 dnl===-----------------------------------------------------------------------===
1018 if test "$llvm_cv_os_type" = "MingW" ; then
1019 AC_CHECK_LIB(imagehlp, main)
1020 AC_CHECK_LIB(psapi, main)
1023 dnl dlopen() is required for plugin support.
1024 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1025 [Define if dlopen() is available on this platform.]),
1026 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1028 dnl libffi is optional; used to call external functions from the interpreter
1029 if test "$llvm_cv_enable_libffi" = "yes" ; then
1030 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1031 [Define if libffi is available on this platform.]),
1032 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1035 dnl mallinfo is optional; the code can compile (minus features) without it
1036 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1037 [Define if mallinfo() is available on this platform.]))
1039 dnl pthread locking functions are optional - but llvm will not be thread-safe
1041 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1042 AC_CHECK_LIB(pthread, pthread_mutex_init)
1043 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1044 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1045 [Have pthread_mutex_lock]))
1046 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1047 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1048 [Have pthread_rwlock_init]))
1049 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1050 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1051 [Have pthread_getspecific]))
1054 dnl Allow extra x86-disassembler library
1056 AS_HELP_STRING([--with-udis86=<path>],
1057 [Use udis86 external x86 disassembler library]),
1059 AC_SUBST(USE_UDIS86, [1])
1062 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1064 AC_CHECK_LIB(udis86, ud_init, [], [
1065 echo "Error! You need to have libudis86 around."
1069 AC_SUBST(USE_UDIS86, [0]))
1070 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1071 [Define if use udis86 library])
1073 dnl Allow OProfile support for JIT output.
1074 AC_ARG_WITH(oprofile,
1075 AS_HELP_STRING([--with-oprofile=<prefix>],
1076 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1078 AC_SUBST(USE_OPROFILE, [1])
1080 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1082 AC_SUBST(USE_OPROFILE, [0]) ;;
1083 *) llvm_cv_oppath="${withval}/lib/oprofile"
1084 CPPFLAGS="-I${withval}/include";;
1086 if test -n "$llvm_cv_oppath" ; then
1087 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1088 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1089 dnl libbfd is not included properly in libopagent in some Debian
1090 dnl versions. If libbfd isn't found at all, we assume opagent works
1092 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1093 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1094 echo "Error! You need to have libopagent around."
1097 AC_CHECK_HEADER([opagent.h], [], [
1098 echo "Error! You need to have opagent.h around."
1104 AC_SUBST(USE_OPROFILE, [0])
1106 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1107 [Define if we have the oprofile JIT-support library])
1109 dnl===-----------------------------------------------------------------------===
1111 dnl=== SECTION 6: Check for header files
1113 dnl===-----------------------------------------------------------------------===
1115 dnl First, use autoconf provided macros for specific headers that we need
1116 dnl We don't check for ancient stuff or things that are guaranteed to be there
1117 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1118 dnl Generally we're looking for POSIX headers.
1120 AC_HEADER_MMAP_ANONYMOUS
1125 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1126 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1127 AC_CHECK_HEADERS([utime.h windows.h])
1128 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1129 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1130 AC_CHECK_HEADERS([valgrind/valgrind.h])
1131 AC_CHECK_HEADERS([fenv.h])
1132 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1133 AC_CHECK_HEADERS(pthread.h,
1134 AC_SUBST(HAVE_PTHREAD, 1),
1135 AC_SUBST(HAVE_PTHREAD, 0))
1137 AC_SUBST(HAVE_PTHREAD, 0)
1140 dnl Try to find ffi.h.
1141 if test "$llvm_cv_enable_libffi" = "yes" ; then
1142 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1145 dnl Try to find Darwin specific crash reporting libraries.
1146 AC_CHECK_HEADERS([CrashReporterClient.h])
1148 dnl Try to find Darwin specific crash reporting global.
1149 AC_MSG_CHECKING([__crashreporter_info__])
1152 [[extern const char *__crashreporter_info__;
1154 __crashreporter_info__ = "test";
1159 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1161 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1162 Define if __crashreporter_info__ exists.))
1164 dnl===-----------------------------------------------------------------------===
1166 dnl=== SECTION 7: Check for types and structures
1168 dnl===-----------------------------------------------------------------------===
1173 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1175 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1176 AC_CHECK_TYPES([uint64_t],,
1177 AC_CHECK_TYPES([u_int64_t],,
1178 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1180 dnl===-----------------------------------------------------------------------===
1182 dnl=== SECTION 8: Check for specific functions needed
1184 dnl===-----------------------------------------------------------------------===
1186 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1187 AC_CHECK_FUNCS([powf fmodf strtof round ])
1188 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1189 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1190 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1191 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1192 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1193 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1197 dnl Check the declaration "Secure API" on Windows environments.
1198 AC_CHECK_DECLS([strerror_s])
1200 dnl Check symbols in libgcc.a for JIT on Mingw.
1201 if test "$llvm_cv_os_type" = "MingW" ; then
1202 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1203 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1204 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1205 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1207 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1208 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1209 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1210 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1211 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1212 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1213 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1214 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1215 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1216 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1218 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1219 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1222 dnl Check Win32 API EnumerateLoadedModules.
1223 if test "$llvm_cv_os_type" = "MingW" ; then
1224 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1225 AC_COMPILE_IFELSE([[#include <windows.h>
1226 #include <imagehlp.h>
1227 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1228 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1230 AC_MSG_RESULT([yes])
1231 llvm_cv_win32_elmcb_pcstr="PCSTR"
1235 llvm_cv_win32_elmcb_pcstr="PSTR"
1237 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1240 dnl Check for variations in the Standard C++ library and STL. These macros are
1241 dnl provided by LLVM in the autoconf/m4 directory.
1245 dnl Check for mmap support.We also need to know if /dev/zero is required to
1246 dnl be opened for allocating RWX memory.
1247 dnl Make sure we aren't attempting to configure for an unknown system
1248 if test "$llvm_cv_platform_type" = "Unix" ; then
1251 AC_NEED_DEV_ZERO_FOR_MMAP
1253 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1255 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1257 if test "$ac_cv_func_mmap_file" = "no"
1259 AC_MSG_WARN([mmap() of files required but not found])
1263 dnl atomic builtins are required for threading support.
1264 AC_MSG_CHECKING(for GCC atomic builtins)
1265 dnl Since we'll be using these atomic builtins in C++ files we should test
1266 dnl the C++ compiler.
1271 volatile unsigned long val = 1;
1272 __sync_synchronize();
1273 __sync_val_compare_and_swap(&val, 1, 0);
1274 __sync_add_and_fetch(&val, 1);
1275 __sync_sub_and_fetch(&val, 1);
1281 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1283 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1284 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1286 dnl===-----------------------------------------------------------------------===
1288 dnl=== SECTION 9: Additional checks, variables, etc.
1290 dnl===-----------------------------------------------------------------------===
1292 dnl Handle 32-bit linux systems running a 64-bit kernel.
1293 dnl This has to come after section 4 because it invokes the compiler.
1294 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1296 if test "$llvm_cv_linux_mixed" = "yes"; then
1297 llvm_cv_target_arch="x86"
1302 dnl Check whether __dso_handle is present
1303 AC_CHECK_FUNCS([__dso_handle])
1305 dnl Propagate the shared library extension that the libltdl checks did to
1306 dnl the Makefiles so we can use it there too
1307 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1309 dnl Propagate the run-time library path variable that the libltdl
1310 dnl checks found to the Makefiles so we can use it there too
1311 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1313 # Translate the various configuration directories and other basic
1314 # information into substitutions that will end up in Makefile.config.in
1315 # that these configured values can be used by the makefiles
1316 if test "${prefix}" = "NONE" ; then
1319 eval LLVM_PREFIX="${prefix}";
1320 eval LLVM_BINDIR="${prefix}/bin";
1321 eval LLVM_LIBDIR="${prefix}/lib";
1322 eval LLVM_DATADIR="${prefix}/share/llvm";
1323 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1324 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1325 eval LLVM_INCLUDEDIR="${prefix}/include";
1326 eval LLVM_INFODIR="${prefix}/info";
1327 eval LLVM_MANDIR="${prefix}/man";
1328 LLVM_CONFIGTIME=`date`
1329 AC_SUBST(LLVM_PREFIX)
1330 AC_SUBST(LLVM_BINDIR)
1331 AC_SUBST(LLVM_LIBDIR)
1332 AC_SUBST(LLVM_DATADIR)
1333 AC_SUBST(LLVM_DOCSDIR)
1334 AC_SUBST(LLVM_ETCDIR)
1335 AC_SUBST(LLVM_INCLUDEDIR)
1336 AC_SUBST(LLVM_INFODIR)
1337 AC_SUBST(LLVM_MANDIR)
1338 AC_SUBST(LLVM_CONFIGTIME)
1340 # Place the various directores into the config.h file as #defines so that we
1341 # can know about the installation paths within LLVM.
1342 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1343 [Installation prefix directory])
1344 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1345 [Installation directory for binary executables])
1346 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1347 [Installation directory for libraries])
1348 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1349 [Installation directory for data files])
1350 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1351 [Installation directory for documentation])
1352 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1353 [Installation directory for config files])
1354 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1355 [Installation directory for include files])
1356 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1357 [Installation directory for .info files])
1358 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1359 [Installation directory for man pages])
1360 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1361 [Time at which LLVM was configured])
1362 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1363 [Target triple LLVM will generate code for by default])
1365 # Determine which bindings to build.
1366 if test "$BINDINGS_TO_BUILD" = auto ; then
1367 BINDINGS_TO_BUILD=""
1368 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1369 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1372 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1374 # This isn't really configurey, but it avoids having to repeat the list in
1376 AC_SUBST(ALL_BINDINGS,ocaml)
1378 # Do any work necessary to ensure that bindings have what they need.
1379 binding_prereqs_failed=0
1380 for a_binding in $BINDINGS_TO_BUILD ; do
1381 case "$a_binding" in
1383 if test "x$OCAMLC" = x ; then
1384 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1385 binding_prereqs_failed=1
1387 if test "x$OCAMLDEP" = x ; then
1388 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1389 binding_prereqs_failed=1
1391 if test "x$OCAMLOPT" = x ; then
1392 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1393 dnl ocamlopt is optional!
1395 if test "x$with_ocaml_libdir" != xauto ; then
1396 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1398 ocaml_stdlib="`"$OCAMLC" -where`"
1399 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1401 # ocaml stdlib is beneath our prefix; use stdlib
1402 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1404 # ocaml stdlib is outside our prefix; use libdir/ocaml
1405 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1411 if test "$binding_prereqs_failed" = 1 ; then
1412 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1415 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1416 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1418 dnl Determine linker rpath flag
1419 if test "$llvm_cv_link_use_r" = "yes" ; then
1426 dnl Determine linker rdynamic flag
1427 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1428 RDYNAMIC="-Wl,-export-dynamic"
1434 dnl===-----------------------------------------------------------------------===
1436 dnl=== SECTION 10: Specify the output files and generate it
1438 dnl===-----------------------------------------------------------------------===
1440 dnl **************************************************************************
1441 dnl End LLVM configure.ac Import
1442 dnl **************************************************************************
1444 dnl Configure a common Makefile
1445 AC_CONFIG_FILES(Makefile.common)
1446 AC_CONFIG_FILES(Makefile.llvm.config)
1448 dnl Configure project makefiles
1449 dnl List every Makefile that exists within your source tree
1450 AC_CONFIG_MAKEFILE(Makefile)
1451 AC_CONFIG_MAKEFILE(lib/Makefile)
1452 AC_CONFIG_MAKEFILE(lib/sample/Makefile)
1453 AC_CONFIG_MAKEFILE(tools/Makefile)
1454 AC_CONFIG_MAKEFILE(tools/sample/Makefile)
1456 dnl This must be last