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 "${srcdir}/.git"; then
351 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
357 dnl===-----------------------------------------------------------------------===
359 dnl=== SECTION 3: Command line arguments for the configure script.
361 dnl===-----------------------------------------------------------------------===
363 dnl --enable-optimized : check whether they want to do an optimized build:
364 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
365 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
366 if test ${enableval} = "no" ; then
367 AC_SUBST(ENABLE_OPTIMIZED,[[]])
369 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
372 dnl --enable-profiling : check whether they want to do a profile build:
373 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
374 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
375 if test ${enableval} = "no" ; then
376 AC_SUBST(ENABLE_PROFILING,[[]])
378 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
381 dnl --enable-assertions : check whether they want to turn on assertions or not:
382 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
383 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
384 if test ${enableval} = "yes" ; then
385 AC_SUBST(DISABLE_ASSERTIONS,[[]])
387 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
390 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
391 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
392 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
393 if test ${enableval} = "yes" ; then
394 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
395 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
397 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
398 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
401 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
402 AC_ARG_ENABLE(debug-runtime,
403 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
404 if test ${enableval} = "no" ; then
405 AC_SUBST(DEBUG_RUNTIME,[[]])
407 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
410 dnl --enable-debug-symbols : should even optimized compiler libraries
411 dnl have debug symbols?
412 AC_ARG_ENABLE(debug-symbols,
413 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)
414 if test ${enableval} = "no" ; then
415 AC_SUBST(DEBUG_SYMBOLS,[[]])
417 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
420 dnl --enable-jit: check whether they want to enable the jit
422 AS_HELP_STRING(--enable-jit,
423 [Enable Just In Time Compiling (default is YES)]),,
425 if test ${enableval} = "no"
429 case "$llvm_cv_target_arch" in
430 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
431 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
432 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
433 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
434 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
435 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
436 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
437 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
438 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
439 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
440 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
441 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
445 dnl Allow enablement of building and installing docs
447 AS_HELP_STRING([--enable-docs],
448 [Build documents (default is YES)]),,
451 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
452 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
453 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
454 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
457 dnl Allow enablement of doxygen generated documentation
458 AC_ARG_ENABLE(doxygen,
459 AS_HELP_STRING([--enable-doxygen],
460 [Build doxygen documentation (default is NO)]),,
463 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
464 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
465 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
466 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
469 dnl Allow disablement of threads
470 AC_ARG_ENABLE(threads,
471 AS_HELP_STRING([--enable-threads],
472 [Use threads if available (default is YES)]),,
475 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
476 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
477 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
478 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
480 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
482 dnl Allow disablement of pthread.h
483 AC_ARG_ENABLE(pthreads,
484 AS_HELP_STRING([--enable-pthreads],
485 [Use pthreads if available (default is YES)]),,
488 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
489 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
490 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
491 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
494 dnl Allow building without position independent code
496 AS_HELP_STRING([--enable-pic],
497 [Build LLVM with Position Independent Code (default is YES)]),,
500 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
501 no) AC_SUBST(ENABLE_PIC,[0]) ;;
502 default) AC_SUBST(ENABLE_PIC,[1]) ;;
503 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
505 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
506 [Define if position independent code is enabled])
508 dnl Allow building a shared library and linking tools against it.
509 AC_ARG_ENABLE(shared,
510 AS_HELP_STRING([--enable-shared],
511 [Build a shared library and link tools against it (default is NO)]),,
514 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
515 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
516 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
517 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
520 dnl Allow libstdc++ is embedded in LLVM.dll.
521 AC_ARG_ENABLE(embed-stdcxx,
522 AS_HELP_STRING([--enable-embed-stdcxx],
523 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
526 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
527 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
528 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
529 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
532 dnl Enable embedding timestamp information into build.
533 AC_ARG_ENABLE(timestamps,
534 AS_HELP_STRING([--enable-timestamps],
535 [Enable embedding timestamp information in build (default is YES)]),,
538 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
539 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
540 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
541 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
543 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
544 [Define if timestamp information (e.g., __DATE___) is allowed])
546 dnl Allow specific targets to be specified for building (or not)
548 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
549 [Build specific host targets: all or target1,target2,... Valid targets are:
550 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
551 xcore, msp430, ptx, cbe, and cpp (default=all)]),,
553 if test "$enableval" = host-only ; then
557 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 Hexagon CppBackend MBlaze PTX" ;;
558 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
560 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
561 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
562 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
563 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
564 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
565 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
566 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
567 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
568 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
569 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
570 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
571 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
572 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
573 host) case "$llvm_cv_target_arch" in
574 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
575 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
576 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
577 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
578 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
579 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
580 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
581 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
582 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
583 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
584 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
585 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
586 *) AC_MSG_ERROR([Can not set target to build]) ;;
588 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
593 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
595 # Determine whether we are building LLVM support for the native architecture.
596 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
597 for a_target in $TARGETS_TO_BUILD; do
598 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
599 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
600 [LLVM architecture name for the native architecture, if available])
601 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
602 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
603 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
604 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
605 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
606 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
608 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
609 [LLVM name for the native Target init function, if available])
610 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
611 [LLVM name for the native TargetInfo init function, if available])
612 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
613 [LLVM name for the native target MC init function, if available])
614 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
615 [LLVM name for the native AsmPrinter init function, if available])
616 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
617 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
618 [LLVM name for the native AsmParser init function, if available])
623 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
624 # target feature def files.
626 LLVM_ENUM_ASM_PRINTERS=""
627 LLVM_ENUM_ASM_PARSERS=""
628 LLVM_ENUM_DISASSEMBLERS=""
629 for target_to_build in $TARGETS_TO_BUILD; do
630 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
631 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
632 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
634 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
635 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
637 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
638 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
641 AC_SUBST(LLVM_ENUM_TARGETS)
642 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
643 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
644 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
646 dnl Override the option to use for optimized builds.
647 AC_ARG_WITH(optimize-option,
648 AS_HELP_STRING([--with-optimize-option],
649 [Select the compiler options to use for optimized builds]),,
651 AC_MSG_CHECKING([optimization flags])
654 case "$llvm_cv_os_type" in
655 FreeBSD) optimize_option=-O2 ;;
656 MingW) optimize_option=-O2 ;;
657 *) optimize_option=-O3 ;;
659 *) optimize_option="$withval" ;;
661 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
662 AC_MSG_RESULT([$optimize_option])
664 dnl Specify extra build options
665 AC_ARG_WITH(extra-options,
666 AS_HELP_STRING([--with-extra-options],
667 [Specify additional options to compile LLVM with]),,
670 default) EXTRA_OPTIONS= ;;
671 *) EXTRA_OPTIONS=$withval ;;
673 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
675 dnl Specify extra linker build options
676 AC_ARG_WITH(extra-ld-options,
677 AS_HELP_STRING([--with-extra-ld-options],
678 [Specify additional options to link LLVM with]),,
681 default) EXTRA_LD_OPTIONS= ;;
682 *) EXTRA_LD_OPTIONS=$withval ;;
684 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
686 dnl Allow specific bindings to be specified for building (or not)
687 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
688 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
692 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
693 all ) BINDINGS_TO_BUILD="ocaml" ;;
694 none | no) BINDINGS_TO_BUILD="" ;;
695 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
697 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
698 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
704 dnl Allow the ocaml libdir to be overridden. This could go in a configure
705 dnl script for bindings/ocaml/configure, except that its auto value depends on
706 dnl OCAMLC, which is found here to support tests.
707 AC_ARG_WITH([ocaml-libdir],
708 [AS_HELP_STRING([--with-ocaml-libdir],
709 [Specify install location for ocaml bindings (default is stdlib)])],
713 auto) with_ocaml_libdir="$withval" ;;
714 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
715 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
718 AC_ARG_WITH(clang-resource-dir,
719 AS_HELP_STRING([--with-clang-resource-dir],
720 [Relative directory from the Clang binary for resource files]),,
722 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
723 [Relative directory for resource files])
725 AC_ARG_WITH(c-include-dirs,
726 AS_HELP_STRING([--with-c-include-dirs],
727 [Colon separated list of directories clang will search for headers]),,
729 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
730 [Directories clang will search for headers])
732 # Clang normally uses the system c++ headers and libraries. With this option,
733 # clang will use the ones provided by a gcc installation instead. This option should
734 # be passed the same value that was used with --prefix when configuring gcc.
735 AC_ARG_WITH(gcc-toolchain,
736 AS_HELP_STRING([--with-gcc-toolchain],
737 [Directory where gcc is installed.]),,
739 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
740 [Directory where gcc is installed.])
742 dnl Allow linking of LLVM with GPLv3 binutils code.
743 AC_ARG_WITH(binutils-include,
744 AS_HELP_STRING([--with-binutils-include],
745 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
748 default) WITH_BINUTILS_INCDIR=default ;;
749 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
750 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
752 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
753 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
754 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
755 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
756 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
760 dnl Specify the URL where bug reports should be submitted.
761 AC_ARG_WITH(bug-report-url,
762 AS_HELP_STRING([--with-bug-report-url],
763 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
764 withval="http://llvm.org/bugs/")
765 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
768 dnl --enable-libffi : check whether the user wants to turn off libffi:
769 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
770 --enable-libffi,[Check for the presence of libffi (default is NO)]),
771 [case "$enableval" in
772 yes) llvm_cv_enable_libffi="yes" ;;
773 no) llvm_cv_enable_libffi="no" ;;
774 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
776 llvm_cv_enable_libffi=no)
778 dnl===-----------------------------------------------------------------------===
780 dnl=== SECTION 4: Check for programs we need and that they are the right version
782 dnl===-----------------------------------------------------------------------===
787 dnl Check for the tools that the makefiles require
790 AC_PATH_PROG(CMP, [cmp], [cmp])
791 AC_PATH_PROG(CP, [cp], [cp])
792 AC_PATH_PROG(DATE, [date], [date])
793 AC_PATH_PROG(FIND, [find], [find])
794 AC_PATH_PROG(GREP, [grep], [grep])
795 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
796 AC_PATH_PROG(MV, [mv], [mv])
798 AC_CHECK_TOOL(AR, ar, false)
799 AC_PATH_PROG(RM, [rm], [rm])
800 AC_PATH_PROG(SED, [sed], [sed])
801 AC_PATH_PROG(TAR, [tar], [gtar])
802 AC_PATH_PROG(BINPWD,[pwd], [pwd])
804 dnl Looking for misc. graph plotting software
805 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
806 if test "$GRAPHVIZ" != "echo Graphviz" ; then
807 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
808 dnl If we're targeting for mingw we should emit windows paths, not msys
809 if test "$llvm_cv_os_type" = "MingW" ; then
810 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
812 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
813 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
815 AC_PATH_PROG(DOT, [dot], [echo dot])
816 if test "$DOT" != "echo dot" ; then
817 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
818 dnl If we're targeting for mingw we should emit windows paths, not msys
819 if test "$llvm_cv_os_type" = "MingW" ; then
820 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
822 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
823 [Define to path to dot program if found or 'echo dot' otherwise])
825 AC_PATH_PROG(FDP, [fdp], [echo fdp])
826 if test "$FDP" != "echo fdp" ; then
827 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
828 dnl If we're targeting for mingw we should emit windows paths, not msys
829 if test "$llvm_cv_os_type" = "MingW" ; then
830 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
832 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
833 [Define to path to fdp program if found or 'echo fdp' otherwise])
835 AC_PATH_PROG(NEATO, [neato], [echo neato])
836 if test "$NEATO" != "echo neato" ; then
837 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
838 dnl If we're targeting for mingw we should emit windows paths, not msys
839 if test "$llvm_cv_os_type" = "MingW" ; then
840 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
842 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
843 [Define to path to neato program if found or 'echo neato' otherwise])
845 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
846 if test "$TWOPI" != "echo twopi" ; then
847 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
848 dnl If we're targeting for mingw we should emit windows paths, not msys
849 if test "$llvm_cv_os_type" = "MingW" ; then
850 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
852 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
853 [Define to path to twopi program if found or 'echo twopi' otherwise])
855 AC_PATH_PROG(CIRCO, [circo], [echo circo])
856 if test "$CIRCO" != "echo circo" ; then
857 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
858 dnl If we're targeting for mingw we should emit windows paths, not msys
859 if test "$llvm_cv_os_type" = "MingW" ; then
860 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
862 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
863 [Define to path to circo program if found or 'echo circo' otherwise])
865 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
866 if test "$GV" != "echo gv" ; then
867 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
868 dnl If we're targeting for mingw we should emit windows paths, not msys
869 if test "$llvm_cv_os_type" = "MingW" ; then
870 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
872 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
873 [Define to path to gv program if found or 'echo gv' otherwise])
875 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
876 if test "$DOTTY" != "echo dotty" ; then
877 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
878 dnl If we're targeting for mingw we should emit windows paths, not msys
879 if test "$llvm_cv_os_type" = "MingW" ; then
880 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
882 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
883 [Define to path to dotty program if found or 'echo dotty' otherwise])
885 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
886 if test "$XDOT_PY" != "echo xdot.py" ; then
887 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
888 dnl If we're targeting for mingw we should emit windows paths, not msys
889 if test "$llvm_cv_os_type" = "MingW" ; then
890 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
892 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
893 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
896 dnl Find the install program
898 dnl Prepend src dir to install path dir if it's a relative path
899 dnl This is a hack for installs that take place in something other
900 dnl than the top level.
902 [[\\/$]]* | ?:[[\\/]]* ) ;;
903 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
906 dnl Checks for documentation and testing tools that we can do without. If these
907 dnl are not found then they are set to "true" which always succeeds but does
908 dnl nothing. This just lets the build output show that we could have done
909 dnl something if the tool was available.
910 AC_PATH_PROG(BZIP2, [bzip2])
911 AC_PATH_PROG(CAT, [cat])
912 AC_PATH_PROG(DOXYGEN, [doxygen])
913 AC_PATH_PROG(GROFF, [groff])
914 AC_PATH_PROG(GZIPBIN, [gzip])
915 AC_PATH_PROG(POD2HTML, [pod2html])
916 AC_PATH_PROG(POD2MAN, [pod2man])
917 AC_PATH_PROG(PDFROFF, [pdfroff])
918 AC_PATH_PROG(RUNTEST, [runtest])
920 AC_PATH_PROG(ZIP, [zip])
921 AC_PATH_PROGS(OCAMLC, [ocamlc])
922 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
923 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
924 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
925 AC_PATH_PROGS(GAS, [gas as])
927 dnl Get the version of the linker in use.
930 dnl Determine whether the linker supports the -R option.
933 dnl Determine whether the linker supports the -export-dynamic option.
934 AC_LINK_EXPORT_DYNAMIC
936 dnl Determine whether the linker supports the --version-script option.
937 AC_LINK_VERSION_SCRIPT
939 dnl Check for libtool and the library that has dlopen function (which must come
940 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
945 AC_MSG_CHECKING([tool compatibility])
947 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
948 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
949 dnl to support those options.
950 dnl "icc" emits gcc signatures
951 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
963 if test "$GCC" != "yes" && test "$ICC" != "yes"
965 AC_MSG_ERROR([gcc|icc required but not found])
968 dnl Ensure that compilation tools are compatible with GCC extensions
969 if test "$GXX" != "yes" && test "$IXX" != "yes"
971 AC_MSG_ERROR([g++|clang++|icc required but not found])
974 dnl Verify that GCC is version 3.0 or higher
975 if test "$GCC" = "yes"
977 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
978 #error Unsupported GCC version
980 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
983 dnl Check for GNU Make. We use its extensions, so don't build without it
984 if test -z "$llvm_cv_gnu_make_command"
986 AC_MSG_ERROR([GNU Make required but not found])
989 dnl Tool compatibility is okay if we make it here.
992 dnl Check optional compiler flags.
993 AC_MSG_CHECKING([optional compiler flags])
994 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
995 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
996 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
997 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
999 dnl===-----------------------------------------------------------------------===
1001 dnl=== SECTION 5: Check for libraries
1003 dnl===-----------------------------------------------------------------------===
1006 if test "$llvm_cv_os_type" = "MingW" ; then
1007 AC_CHECK_LIB(imagehlp, main)
1008 AC_CHECK_LIB(psapi, main)
1011 dnl dlopen() is required for plugin support.
1012 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1013 [Define if dlopen() is available on this platform.]),
1014 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1016 dnl libffi is optional; used to call external functions from the interpreter
1017 if test "$llvm_cv_enable_libffi" = "yes" ; then
1018 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1019 [Define if libffi is available on this platform.]),
1020 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1023 dnl mallinfo is optional; the code can compile (minus features) without it
1024 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1025 [Define if mallinfo() is available on this platform.]))
1027 dnl pthread locking functions are optional - but llvm will not be thread-safe
1029 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1030 AC_CHECK_LIB(pthread, pthread_mutex_init)
1031 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1032 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1033 [Have pthread_mutex_lock]))
1034 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1035 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1036 [Have pthread_rwlock_init]))
1037 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1038 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1039 [Have pthread_getspecific]))
1042 dnl Allow extra x86-disassembler library
1044 AS_HELP_STRING([--with-udis86=<path>],
1045 [Use udis86 external x86 disassembler library]),
1047 AC_SUBST(USE_UDIS86, [1])
1050 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1052 AC_CHECK_LIB(udis86, ud_init, [], [
1053 echo "Error! You need to have libudis86 around."
1057 AC_SUBST(USE_UDIS86, [0]))
1058 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1059 [Define if use udis86 library])
1061 dnl Allow OProfile support for JIT output.
1062 AC_ARG_WITH(oprofile,
1063 AS_HELP_STRING([--with-oprofile=<prefix>],
1064 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1066 AC_SUBST(USE_OPROFILE, [1])
1068 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1070 AC_SUBST(USE_OPROFILE, [0]) ;;
1071 *) llvm_cv_oppath="${withval}/lib/oprofile"
1072 CPPFLAGS="-I${withval}/include";;
1074 if test -n "$llvm_cv_oppath" ; then
1075 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1076 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1077 dnl libbfd is not included properly in libopagent in some Debian
1078 dnl versions. If libbfd isn't found at all, we assume opagent works
1080 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1081 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1082 echo "Error! You need to have libopagent around."
1085 AC_CHECK_HEADER([opagent.h], [], [
1086 echo "Error! You need to have opagent.h around."
1092 AC_SUBST(USE_OPROFILE, [0])
1094 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1095 [Define if we have the oprofile JIT-support library])
1097 dnl===-----------------------------------------------------------------------===
1099 dnl=== SECTION 6: Check for header files
1101 dnl===-----------------------------------------------------------------------===
1103 dnl First, use autoconf provided macros for specific headers that we need
1104 dnl We don't check for ancient stuff or things that are guaranteed to be there
1105 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1106 dnl Generally we're looking for POSIX headers.
1108 AC_HEADER_MMAP_ANONYMOUS
1113 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1114 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1115 AC_CHECK_HEADERS([utime.h windows.h])
1116 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1117 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1118 AC_CHECK_HEADERS([valgrind/valgrind.h])
1119 AC_CHECK_HEADERS([fenv.h])
1120 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1121 AC_CHECK_HEADERS(pthread.h,
1122 AC_SUBST(HAVE_PTHREAD, 1),
1123 AC_SUBST(HAVE_PTHREAD, 0))
1125 AC_SUBST(HAVE_PTHREAD, 0)
1128 dnl Try to find ffi.h.
1129 if test "$llvm_cv_enable_libffi" = "yes" ; then
1130 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1133 dnl Try to find Darwin specific crash reporting libraries.
1134 AC_CHECK_HEADERS([CrashReporterClient.h])
1136 dnl Try to find Darwin specific crash reporting global.
1137 AC_MSG_CHECKING([__crashreporter_info__])
1140 [[extern const char *__crashreporter_info__;
1142 __crashreporter_info__ = "test";
1147 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1149 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1150 Define if __crashreporter_info__ exists.))
1152 dnl===-----------------------------------------------------------------------===
1154 dnl=== SECTION 7: Check for types and structures
1156 dnl===-----------------------------------------------------------------------===
1161 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1163 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1164 AC_CHECK_TYPES([uint64_t],,
1165 AC_CHECK_TYPES([u_int64_t],,
1166 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1168 dnl===-----------------------------------------------------------------------===
1170 dnl=== SECTION 8: Check for specific functions needed
1172 dnl===-----------------------------------------------------------------------===
1174 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1175 AC_CHECK_FUNCS([powf fmodf strtof round ])
1176 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1177 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1178 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1179 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1180 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1181 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1185 dnl Check the declaration "Secure API" on Windows environments.
1186 AC_CHECK_DECLS([strerror_s])
1188 dnl Check symbols in libgcc.a for JIT on Mingw.
1189 if test "$llvm_cv_os_type" = "MingW" ; then
1190 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1191 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1192 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1193 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1195 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1196 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1197 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1198 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1199 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1200 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1201 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1202 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1203 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1204 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1206 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1207 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1210 dnl Check Win32 API EnumerateLoadedModules.
1211 if test "$llvm_cv_os_type" = "MingW" ; then
1212 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1213 AC_COMPILE_IFELSE([[#include <windows.h>
1214 #include <imagehlp.h>
1215 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1216 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1218 AC_MSG_RESULT([yes])
1219 llvm_cv_win32_elmcb_pcstr="PCSTR"
1223 llvm_cv_win32_elmcb_pcstr="PSTR"
1225 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1228 dnl Check for variations in the Standard C++ library and STL. These macros are
1229 dnl provided by LLVM in the autoconf/m4 directory.
1233 dnl Check for mmap support.We also need to know if /dev/zero is required to
1234 dnl be opened for allocating RWX memory.
1235 dnl Make sure we aren't attempting to configure for an unknown system
1236 if test "$llvm_cv_platform_type" = "Unix" ; then
1239 AC_NEED_DEV_ZERO_FOR_MMAP
1241 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1243 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1245 if test "$ac_cv_func_mmap_file" = "no"
1247 AC_MSG_WARN([mmap() of files required but not found])
1251 dnl atomic builtins are required for threading support.
1252 AC_MSG_CHECKING(for GCC atomic builtins)
1253 dnl Since we'll be using these atomic builtins in C++ files we should test
1254 dnl the C++ compiler.
1259 volatile unsigned long val = 1;
1260 __sync_synchronize();
1261 __sync_val_compare_and_swap(&val, 1, 0);
1262 __sync_add_and_fetch(&val, 1);
1263 __sync_sub_and_fetch(&val, 1);
1269 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1271 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1272 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1274 dnl===-----------------------------------------------------------------------===
1276 dnl=== SECTION 9: Additional checks, variables, etc.
1278 dnl===-----------------------------------------------------------------------===
1280 dnl Handle 32-bit linux systems running a 64-bit kernel.
1281 dnl This has to come after section 4 because it invokes the compiler.
1282 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1284 if test "$llvm_cv_linux_mixed" = "yes"; then
1285 llvm_cv_target_arch="x86"
1290 dnl Check whether __dso_handle is present
1291 AC_CHECK_FUNCS([__dso_handle])
1293 dnl Propagate the shared library extension that the libltdl checks did to
1294 dnl the Makefiles so we can use it there too
1295 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1297 dnl Propagate the run-time library path variable that the libltdl
1298 dnl checks found to the Makefiles so we can use it there too
1299 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1301 # Translate the various configuration directories and other basic
1302 # information into substitutions that will end up in Makefile.config.in
1303 # that these configured values can be used by the makefiles
1304 if test "${prefix}" = "NONE" ; then
1307 eval LLVM_PREFIX="${prefix}";
1308 eval LLVM_BINDIR="${prefix}/bin";
1309 eval LLVM_LIBDIR="${prefix}/lib";
1310 eval LLVM_DATADIR="${prefix}/share/llvm";
1311 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1312 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1313 eval LLVM_INCLUDEDIR="${prefix}/include";
1314 eval LLVM_INFODIR="${prefix}/info";
1315 eval LLVM_MANDIR="${prefix}/man";
1316 LLVM_CONFIGTIME=`date`
1317 AC_SUBST(LLVM_PREFIX)
1318 AC_SUBST(LLVM_BINDIR)
1319 AC_SUBST(LLVM_LIBDIR)
1320 AC_SUBST(LLVM_DATADIR)
1321 AC_SUBST(LLVM_DOCSDIR)
1322 AC_SUBST(LLVM_ETCDIR)
1323 AC_SUBST(LLVM_INCLUDEDIR)
1324 AC_SUBST(LLVM_INFODIR)
1325 AC_SUBST(LLVM_MANDIR)
1326 AC_SUBST(LLVM_CONFIGTIME)
1328 # Place the various directores into the config.h file as #defines so that we
1329 # can know about the installation paths within LLVM.
1330 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1331 [Installation prefix directory])
1332 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1333 [Installation directory for binary executables])
1334 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1335 [Installation directory for libraries])
1336 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1337 [Installation directory for data files])
1338 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1339 [Installation directory for documentation])
1340 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1341 [Installation directory for config files])
1342 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1343 [Installation directory for include files])
1344 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1345 [Installation directory for .info files])
1346 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1347 [Installation directory for man pages])
1348 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1349 [Time at which LLVM was configured])
1350 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1351 [Target triple LLVM will generate code for by default])
1353 # Determine which bindings to build.
1354 if test "$BINDINGS_TO_BUILD" = auto ; then
1355 BINDINGS_TO_BUILD=""
1356 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1357 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1360 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1362 # This isn't really configurey, but it avoids having to repeat the list in
1364 AC_SUBST(ALL_BINDINGS,ocaml)
1366 # Do any work necessary to ensure that bindings have what they need.
1367 binding_prereqs_failed=0
1368 for a_binding in $BINDINGS_TO_BUILD ; do
1369 case "$a_binding" in
1371 if test "x$OCAMLC" = x ; then
1372 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1373 binding_prereqs_failed=1
1375 if test "x$OCAMLDEP" = x ; then
1376 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1377 binding_prereqs_failed=1
1379 if test "x$OCAMLOPT" = x ; then
1380 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1381 dnl ocamlopt is optional!
1383 if test "x$with_ocaml_libdir" != xauto ; then
1384 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1386 ocaml_stdlib="`"$OCAMLC" -where`"
1387 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1389 # ocaml stdlib is beneath our prefix; use stdlib
1390 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1392 # ocaml stdlib is outside our prefix; use libdir/ocaml
1393 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1399 if test "$binding_prereqs_failed" = 1 ; then
1400 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1403 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1404 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1406 dnl Determine linker rpath flag
1407 if test "$llvm_cv_link_use_r" = "yes" ; then
1414 dnl Determine linker rdynamic flag
1415 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1416 RDYNAMIC="-Wl,-export-dynamic"
1422 dnl===-----------------------------------------------------------------------===
1424 dnl=== SECTION 10: Specify the output files and generate it
1426 dnl===-----------------------------------------------------------------------===
1428 dnl **************************************************************************
1429 dnl End LLVM configure.ac Import
1430 dnl **************************************************************************
1432 dnl Configure a common Makefile
1433 AC_CONFIG_FILES(Makefile.common)
1434 AC_CONFIG_FILES(Makefile.llvm.config)
1436 dnl Configure project makefiles
1437 dnl List every Makefile that exists within your source tree
1438 AC_CONFIG_MAKEFILE(Makefile)
1439 AC_CONFIG_MAKEFILE(lib/Makefile)
1440 AC_CONFIG_MAKEFILE(lib/sample/Makefile)
1441 AC_CONFIG_MAKEFILE(tools/Makefile)
1442 AC_CONFIG_MAKEFILE(tools/sample/Makefile)
1444 dnl This must be last