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 CBackend 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 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
571 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
572 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
573 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
574 host) case "$llvm_cv_target_arch" in
575 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
576 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
577 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
578 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
579 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
580 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
581 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
582 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
583 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
584 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
585 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
586 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
587 *) AC_MSG_ERROR([Can not set target to build]) ;;
589 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
594 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
596 # Determine whether we are building LLVM support for the native architecture.
597 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
598 for a_target in $TARGETS_TO_BUILD; do
599 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
600 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
601 [LLVM architecture name for the native architecture, if available])
602 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
603 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
604 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
605 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
606 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
607 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
609 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
610 [LLVM name for the native Target init function, if available])
611 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
612 [LLVM name for the native TargetInfo init function, if available])
613 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
614 [LLVM name for the native target MC init function, if available])
615 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
616 [LLVM name for the native AsmPrinter init function, if available])
617 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
618 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
619 [LLVM name for the native AsmParser init function, if available])
624 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
625 # target feature def files.
627 LLVM_ENUM_ASM_PRINTERS=""
628 LLVM_ENUM_ASM_PARSERS=""
629 LLVM_ENUM_DISASSEMBLERS=""
630 for target_to_build in $TARGETS_TO_BUILD; do
631 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
632 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
633 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
635 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
636 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
638 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
639 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
642 AC_SUBST(LLVM_ENUM_TARGETS)
643 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
644 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
645 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
647 dnl Prevent the CBackend from using printf("%a") for floating point so older
648 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
649 dnl can still compile the CBE's output
650 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
651 [Enable C Backend output with hex floating point via %a (default is YES)]),,
654 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
655 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
656 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
657 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
659 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
660 [Define if CBE is enabled for printf %a output])
662 dnl Override the option to use for optimized builds.
663 AC_ARG_WITH(optimize-option,
664 AS_HELP_STRING([--with-optimize-option],
665 [Select the compiler options to use for optimized builds]),,
667 AC_MSG_CHECKING([optimization flags])
670 case "$llvm_cv_os_type" in
671 FreeBSD) optimize_option=-O2 ;;
672 MingW) optimize_option=-O2 ;;
673 *) optimize_option=-O3 ;;
675 *) optimize_option="$withval" ;;
677 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
678 AC_MSG_RESULT([$optimize_option])
680 dnl Specify extra build options
681 AC_ARG_WITH(extra-options,
682 AS_HELP_STRING([--with-extra-options],
683 [Specify additional options to compile LLVM with]),,
686 default) EXTRA_OPTIONS= ;;
687 *) EXTRA_OPTIONS=$withval ;;
689 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
691 dnl Specify extra linker build options
692 AC_ARG_WITH(extra-ld-options,
693 AS_HELP_STRING([--with-extra-ld-options],
694 [Specify additional options to link LLVM with]),,
697 default) EXTRA_LD_OPTIONS= ;;
698 *) EXTRA_LD_OPTIONS=$withval ;;
700 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
702 dnl Allow specific bindings to be specified for building (or not)
703 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
704 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
708 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
709 all ) BINDINGS_TO_BUILD="ocaml" ;;
710 none | no) BINDINGS_TO_BUILD="" ;;
711 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
713 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
714 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
720 dnl Allow the ocaml libdir to be overridden. This could go in a configure
721 dnl script for bindings/ocaml/configure, except that its auto value depends on
722 dnl OCAMLC, which is found here to support tests.
723 AC_ARG_WITH([ocaml-libdir],
724 [AS_HELP_STRING([--with-ocaml-libdir],
725 [Specify install location for ocaml bindings (default is stdlib)])],
729 auto) with_ocaml_libdir="$withval" ;;
730 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
731 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
734 AC_ARG_WITH(clang-resource-dir,
735 AS_HELP_STRING([--with-clang-resource-dir],
736 [Relative directory from the Clang binary for resource files]),,
738 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
739 [Relative directory for resource files])
741 AC_ARG_WITH(c-include-dirs,
742 AS_HELP_STRING([--with-c-include-dirs],
743 [Colon separated list of directories clang will search for headers]),,
745 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
746 [Directories clang will search for headers])
748 # Clang normally uses the system c++ headers and libraries. With this option,
749 # clang will use the ones provided by a gcc installation instead. This option should
750 # be passed the same value that was used with --prefix when configuring gcc.
751 AC_ARG_WITH(gcc-toolchain,
752 AS_HELP_STRING([--with-gcc-toolchain],
753 [Directory where gcc is installed.]),,
755 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
756 [Directory where gcc is installed.])
758 dnl Allow linking of LLVM with GPLv3 binutils code.
759 AC_ARG_WITH(binutils-include,
760 AS_HELP_STRING([--with-binutils-include],
761 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
764 default) WITH_BINUTILS_INCDIR=default ;;
765 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
766 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
768 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
769 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
770 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
771 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
772 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
776 dnl Specify the URL where bug reports should be submitted.
777 AC_ARG_WITH(bug-report-url,
778 AS_HELP_STRING([--with-bug-report-url],
779 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
780 withval="http://llvm.org/bugs/")
781 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
784 dnl --enable-libffi : check whether the user wants to turn off libffi:
785 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
786 --enable-libffi,[Check for the presence of libffi (default is NO)]),
787 [case "$enableval" in
788 yes) llvm_cv_enable_libffi="yes" ;;
789 no) llvm_cv_enable_libffi="no" ;;
790 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
792 llvm_cv_enable_libffi=no)
794 dnl===-----------------------------------------------------------------------===
796 dnl=== SECTION 4: Check for programs we need and that they are the right version
798 dnl===-----------------------------------------------------------------------===
803 dnl Check for the tools that the makefiles require
806 AC_PATH_PROG(CMP, [cmp], [cmp])
807 AC_PATH_PROG(CP, [cp], [cp])
808 AC_PATH_PROG(DATE, [date], [date])
809 AC_PATH_PROG(FIND, [find], [find])
810 AC_PATH_PROG(GREP, [grep], [grep])
811 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
812 AC_PATH_PROG(MV, [mv], [mv])
814 AC_CHECK_TOOL(AR, ar, false)
815 AC_PATH_PROG(RM, [rm], [rm])
816 AC_PATH_PROG(SED, [sed], [sed])
817 AC_PATH_PROG(TAR, [tar], [gtar])
818 AC_PATH_PROG(BINPWD,[pwd], [pwd])
820 dnl Looking for misc. graph plotting software
821 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
822 if test "$GRAPHVIZ" != "echo Graphviz" ; then
823 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
824 dnl If we're targeting for mingw we should emit windows paths, not msys
825 if test "$llvm_cv_os_type" = "MingW" ; then
826 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
828 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
829 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
831 AC_PATH_PROG(DOT, [dot], [echo dot])
832 if test "$DOT" != "echo dot" ; then
833 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
834 dnl If we're targeting for mingw we should emit windows paths, not msys
835 if test "$llvm_cv_os_type" = "MingW" ; then
836 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
838 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
839 [Define to path to dot program if found or 'echo dot' otherwise])
841 AC_PATH_PROG(FDP, [fdp], [echo fdp])
842 if test "$FDP" != "echo fdp" ; then
843 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
844 dnl If we're targeting for mingw we should emit windows paths, not msys
845 if test "$llvm_cv_os_type" = "MingW" ; then
846 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
848 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
849 [Define to path to fdp program if found or 'echo fdp' otherwise])
851 AC_PATH_PROG(NEATO, [neato], [echo neato])
852 if test "$NEATO" != "echo neato" ; then
853 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
854 dnl If we're targeting for mingw we should emit windows paths, not msys
855 if test "$llvm_cv_os_type" = "MingW" ; then
856 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
858 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
859 [Define to path to neato program if found or 'echo neato' otherwise])
861 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
862 if test "$TWOPI" != "echo twopi" ; then
863 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
864 dnl If we're targeting for mingw we should emit windows paths, not msys
865 if test "$llvm_cv_os_type" = "MingW" ; then
866 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
868 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
869 [Define to path to twopi program if found or 'echo twopi' otherwise])
871 AC_PATH_PROG(CIRCO, [circo], [echo circo])
872 if test "$CIRCO" != "echo circo" ; then
873 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
874 dnl If we're targeting for mingw we should emit windows paths, not msys
875 if test "$llvm_cv_os_type" = "MingW" ; then
876 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
878 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
879 [Define to path to circo program if found or 'echo circo' otherwise])
881 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
882 if test "$GV" != "echo gv" ; then
883 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
884 dnl If we're targeting for mingw we should emit windows paths, not msys
885 if test "$llvm_cv_os_type" = "MingW" ; then
886 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
888 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
889 [Define to path to gv program if found or 'echo gv' otherwise])
891 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
892 if test "$DOTTY" != "echo dotty" ; then
893 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
894 dnl If we're targeting for mingw we should emit windows paths, not msys
895 if test "$llvm_cv_os_type" = "MingW" ; then
896 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
898 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
899 [Define to path to dotty program if found or 'echo dotty' otherwise])
901 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
902 if test "$XDOT_PY" != "echo xdot.py" ; then
903 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
904 dnl If we're targeting for mingw we should emit windows paths, not msys
905 if test "$llvm_cv_os_type" = "MingW" ; then
906 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
908 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
909 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
912 dnl Find the install program
914 dnl Prepend src dir to install path dir if it's a relative path
915 dnl This is a hack for installs that take place in something other
916 dnl than the top level.
918 [[\\/$]]* | ?:[[\\/]]* ) ;;
919 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
922 dnl Checks for documentation and testing tools that we can do without. If these
923 dnl are not found then they are set to "true" which always succeeds but does
924 dnl nothing. This just lets the build output show that we could have done
925 dnl something if the tool was available.
926 AC_PATH_PROG(BZIP2, [bzip2])
927 AC_PATH_PROG(CAT, [cat])
928 AC_PATH_PROG(DOXYGEN, [doxygen])
929 AC_PATH_PROG(GROFF, [groff])
930 AC_PATH_PROG(GZIPBIN, [gzip])
931 AC_PATH_PROG(POD2HTML, [pod2html])
932 AC_PATH_PROG(POD2MAN, [pod2man])
933 AC_PATH_PROG(PDFROFF, [pdfroff])
934 AC_PATH_PROG(RUNTEST, [runtest])
936 AC_PATH_PROG(ZIP, [zip])
937 AC_PATH_PROGS(OCAMLC, [ocamlc])
938 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
939 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
940 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
941 AC_PATH_PROGS(GAS, [gas as])
943 dnl Get the version of the linker in use.
946 dnl Determine whether the linker supports the -R option.
949 dnl Determine whether the linker supports the -export-dynamic option.
950 AC_LINK_EXPORT_DYNAMIC
952 dnl Determine whether the linker supports the --version-script option.
953 AC_LINK_VERSION_SCRIPT
955 dnl Check for libtool and the library that has dlopen function (which must come
956 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
961 AC_MSG_CHECKING([tool compatibility])
963 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
964 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
965 dnl to support those options.
966 dnl "icc" emits gcc signatures
967 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
979 if test "$GCC" != "yes" && test "$ICC" != "yes"
981 AC_MSG_ERROR([gcc|icc required but not found])
984 dnl Ensure that compilation tools are compatible with GCC extensions
985 if test "$GXX" != "yes" && test "$IXX" != "yes"
987 AC_MSG_ERROR([g++|clang++|icc required but not found])
990 dnl Verify that GCC is version 3.0 or higher
991 if test "$GCC" = "yes"
993 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
994 #error Unsupported GCC version
996 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
999 dnl Check for GNU Make. We use its extensions, so don't build without it
1000 if test -z "$llvm_cv_gnu_make_command"
1002 AC_MSG_ERROR([GNU Make required but not found])
1005 dnl Tool compatibility is okay if we make it here.
1008 dnl Check optional compiler flags.
1009 AC_MSG_CHECKING([optional compiler flags])
1010 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1011 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1012 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1013 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1015 dnl===-----------------------------------------------------------------------===
1017 dnl=== SECTION 5: Check for libraries
1019 dnl===-----------------------------------------------------------------------===
1022 if test "$llvm_cv_os_type" = "MingW" ; then
1023 AC_CHECK_LIB(imagehlp, main)
1024 AC_CHECK_LIB(psapi, main)
1027 dnl dlopen() is required for plugin support.
1028 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1029 [Define if dlopen() is available on this platform.]),
1030 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1032 dnl libffi is optional; used to call external functions from the interpreter
1033 if test "$llvm_cv_enable_libffi" = "yes" ; then
1034 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1035 [Define if libffi is available on this platform.]),
1036 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1039 dnl mallinfo is optional; the code can compile (minus features) without it
1040 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1041 [Define if mallinfo() is available on this platform.]))
1043 dnl pthread locking functions are optional - but llvm will not be thread-safe
1045 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1046 AC_CHECK_LIB(pthread, pthread_mutex_init)
1047 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1048 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1049 [Have pthread_mutex_lock]))
1050 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1051 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1052 [Have pthread_rwlock_init]))
1053 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1054 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1055 [Have pthread_getspecific]))
1058 dnl Allow extra x86-disassembler library
1060 AS_HELP_STRING([--with-udis86=<path>],
1061 [Use udis86 external x86 disassembler library]),
1063 AC_SUBST(USE_UDIS86, [1])
1066 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1068 AC_CHECK_LIB(udis86, ud_init, [], [
1069 echo "Error! You need to have libudis86 around."
1073 AC_SUBST(USE_UDIS86, [0]))
1074 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1075 [Define if use udis86 library])
1077 dnl Allow OProfile support for JIT output.
1078 AC_ARG_WITH(oprofile,
1079 AS_HELP_STRING([--with-oprofile=<prefix>],
1080 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1082 AC_SUBST(USE_OPROFILE, [1])
1084 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1086 AC_SUBST(USE_OPROFILE, [0]) ;;
1087 *) llvm_cv_oppath="${withval}/lib/oprofile"
1088 CPPFLAGS="-I${withval}/include";;
1090 if test -n "$llvm_cv_oppath" ; then
1091 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1092 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1093 dnl libbfd is not included properly in libopagent in some Debian
1094 dnl versions. If libbfd isn't found at all, we assume opagent works
1096 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1097 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1098 echo "Error! You need to have libopagent around."
1101 AC_CHECK_HEADER([opagent.h], [], [
1102 echo "Error! You need to have opagent.h around."
1108 AC_SUBST(USE_OPROFILE, [0])
1110 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1111 [Define if we have the oprofile JIT-support library])
1113 dnl===-----------------------------------------------------------------------===
1115 dnl=== SECTION 6: Check for header files
1117 dnl===-----------------------------------------------------------------------===
1119 dnl First, use autoconf provided macros for specific headers that we need
1120 dnl We don't check for ancient stuff or things that are guaranteed to be there
1121 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1122 dnl Generally we're looking for POSIX headers.
1124 AC_HEADER_MMAP_ANONYMOUS
1129 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1130 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1131 AC_CHECK_HEADERS([utime.h windows.h])
1132 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1133 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1134 AC_CHECK_HEADERS([valgrind/valgrind.h])
1135 AC_CHECK_HEADERS([fenv.h])
1136 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1137 AC_CHECK_HEADERS(pthread.h,
1138 AC_SUBST(HAVE_PTHREAD, 1),
1139 AC_SUBST(HAVE_PTHREAD, 0))
1141 AC_SUBST(HAVE_PTHREAD, 0)
1144 dnl Try to find ffi.h.
1145 if test "$llvm_cv_enable_libffi" = "yes" ; then
1146 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1149 dnl Try to find Darwin specific crash reporting libraries.
1150 AC_CHECK_HEADERS([CrashReporterClient.h])
1152 dnl Try to find Darwin specific crash reporting global.
1153 AC_MSG_CHECKING([__crashreporter_info__])
1156 [[extern const char *__crashreporter_info__;
1158 __crashreporter_info__ = "test";
1163 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1165 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1166 Define if __crashreporter_info__ exists.))
1168 dnl===-----------------------------------------------------------------------===
1170 dnl=== SECTION 7: Check for types and structures
1172 dnl===-----------------------------------------------------------------------===
1177 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1179 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1180 AC_CHECK_TYPES([uint64_t],,
1181 AC_CHECK_TYPES([u_int64_t],,
1182 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1184 dnl===-----------------------------------------------------------------------===
1186 dnl=== SECTION 8: Check for specific functions needed
1188 dnl===-----------------------------------------------------------------------===
1190 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1191 AC_CHECK_FUNCS([powf fmodf strtof round ])
1192 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1193 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1194 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1195 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1196 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1197 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1201 dnl Check the declaration "Secure API" on Windows environments.
1202 AC_CHECK_DECLS([strerror_s])
1204 dnl Check symbols in libgcc.a for JIT on Mingw.
1205 if test "$llvm_cv_os_type" = "MingW" ; then
1206 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1207 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1208 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1209 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1211 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1212 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1213 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1214 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1215 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1216 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1217 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1218 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1219 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1220 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1222 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1223 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1226 dnl Check Win32 API EnumerateLoadedModules.
1227 if test "$llvm_cv_os_type" = "MingW" ; then
1228 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1229 AC_COMPILE_IFELSE([[#include <windows.h>
1230 #include <imagehlp.h>
1231 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1232 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1234 AC_MSG_RESULT([yes])
1235 llvm_cv_win32_elmcb_pcstr="PCSTR"
1239 llvm_cv_win32_elmcb_pcstr="PSTR"
1241 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1244 dnl Check for variations in the Standard C++ library and STL. These macros are
1245 dnl provided by LLVM in the autoconf/m4 directory.
1249 dnl Check for mmap support.We also need to know if /dev/zero is required to
1250 dnl be opened for allocating RWX memory.
1251 dnl Make sure we aren't attempting to configure for an unknown system
1252 if test "$llvm_cv_platform_type" = "Unix" ; then
1255 AC_NEED_DEV_ZERO_FOR_MMAP
1257 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1259 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1261 if test "$ac_cv_func_mmap_file" = "no"
1263 AC_MSG_WARN([mmap() of files required but not found])
1267 dnl atomic builtins are required for threading support.
1268 AC_MSG_CHECKING(for GCC atomic builtins)
1269 dnl Since we'll be using these atomic builtins in C++ files we should test
1270 dnl the C++ compiler.
1275 volatile unsigned long val = 1;
1276 __sync_synchronize();
1277 __sync_val_compare_and_swap(&val, 1, 0);
1278 __sync_add_and_fetch(&val, 1);
1279 __sync_sub_and_fetch(&val, 1);
1285 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1287 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1288 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1290 dnl===-----------------------------------------------------------------------===
1292 dnl=== SECTION 9: Additional checks, variables, etc.
1294 dnl===-----------------------------------------------------------------------===
1296 dnl Handle 32-bit linux systems running a 64-bit kernel.
1297 dnl This has to come after section 4 because it invokes the compiler.
1298 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1300 if test "$llvm_cv_linux_mixed" = "yes"; then
1301 llvm_cv_target_arch="x86"
1306 dnl Check whether __dso_handle is present
1307 AC_CHECK_FUNCS([__dso_handle])
1309 dnl Propagate the shared library extension that the libltdl checks did to
1310 dnl the Makefiles so we can use it there too
1311 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1313 dnl Propagate the run-time library path variable that the libltdl
1314 dnl checks found to the Makefiles so we can use it there too
1315 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1317 # Translate the various configuration directories and other basic
1318 # information into substitutions that will end up in Makefile.config.in
1319 # that these configured values can be used by the makefiles
1320 if test "${prefix}" = "NONE" ; then
1323 eval LLVM_PREFIX="${prefix}";
1324 eval LLVM_BINDIR="${prefix}/bin";
1325 eval LLVM_LIBDIR="${prefix}/lib";
1326 eval LLVM_DATADIR="${prefix}/share/llvm";
1327 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1328 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1329 eval LLVM_INCLUDEDIR="${prefix}/include";
1330 eval LLVM_INFODIR="${prefix}/info";
1331 eval LLVM_MANDIR="${prefix}/man";
1332 LLVM_CONFIGTIME=`date`
1333 AC_SUBST(LLVM_PREFIX)
1334 AC_SUBST(LLVM_BINDIR)
1335 AC_SUBST(LLVM_LIBDIR)
1336 AC_SUBST(LLVM_DATADIR)
1337 AC_SUBST(LLVM_DOCSDIR)
1338 AC_SUBST(LLVM_ETCDIR)
1339 AC_SUBST(LLVM_INCLUDEDIR)
1340 AC_SUBST(LLVM_INFODIR)
1341 AC_SUBST(LLVM_MANDIR)
1342 AC_SUBST(LLVM_CONFIGTIME)
1344 # Place the various directores into the config.h file as #defines so that we
1345 # can know about the installation paths within LLVM.
1346 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1347 [Installation prefix directory])
1348 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1349 [Installation directory for binary executables])
1350 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1351 [Installation directory for libraries])
1352 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1353 [Installation directory for data files])
1354 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1355 [Installation directory for documentation])
1356 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1357 [Installation directory for config files])
1358 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1359 [Installation directory for include files])
1360 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1361 [Installation directory for .info files])
1362 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1363 [Installation directory for man pages])
1364 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1365 [Time at which LLVM was configured])
1366 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1367 [Target triple LLVM will generate code for by default])
1369 # Determine which bindings to build.
1370 if test "$BINDINGS_TO_BUILD" = auto ; then
1371 BINDINGS_TO_BUILD=""
1372 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1373 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1376 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1378 # This isn't really configurey, but it avoids having to repeat the list in
1380 AC_SUBST(ALL_BINDINGS,ocaml)
1382 # Do any work necessary to ensure that bindings have what they need.
1383 binding_prereqs_failed=0
1384 for a_binding in $BINDINGS_TO_BUILD ; do
1385 case "$a_binding" in
1387 if test "x$OCAMLC" = x ; then
1388 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1389 binding_prereqs_failed=1
1391 if test "x$OCAMLDEP" = x ; then
1392 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1393 binding_prereqs_failed=1
1395 if test "x$OCAMLOPT" = x ; then
1396 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1397 dnl ocamlopt is optional!
1399 if test "x$with_ocaml_libdir" != xauto ; then
1400 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1402 ocaml_stdlib="`"$OCAMLC" -where`"
1403 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1405 # ocaml stdlib is beneath our prefix; use stdlib
1406 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1408 # ocaml stdlib is outside our prefix; use libdir/ocaml
1409 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1415 if test "$binding_prereqs_failed" = 1 ; then
1416 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1419 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1420 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1422 dnl Determine linker rpath flag
1423 if test "$llvm_cv_link_use_r" = "yes" ; then
1430 dnl Determine linker rdynamic flag
1431 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1432 RDYNAMIC="-Wl,-export-dynamic"
1438 dnl===-----------------------------------------------------------------------===
1440 dnl=== SECTION 10: Specify the output files and generate it
1442 dnl===-----------------------------------------------------------------------===
1444 dnl **************************************************************************
1445 dnl End LLVM configure.ac Import
1446 dnl **************************************************************************
1448 dnl Configure a common Makefile
1449 AC_CONFIG_FILES(Makefile.common)
1450 AC_CONFIG_FILES(Makefile.llvm.config)
1452 dnl Configure project makefiles
1453 dnl List every Makefile that exists within your source tree
1454 AC_CONFIG_MAKEFILE(Makefile)
1455 AC_CONFIG_MAKEFILE(lib/Makefile)
1456 AC_CONFIG_MAKEFILE(lib/sample/Makefile)
1457 AC_CONFIG_MAKEFILE(tools/Makefile)
1458 AC_CONFIG_MAKEFILE(tools/sample/Makefile)
1460 dnl This must be last