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,"$withval",
746 [Directories clang will search for headers])
748 AC_ARG_WITH(cxx-include-root,
749 AS_HELP_STRING([--with-cxx-include-root],
750 [Directory with the libstdc++ headers.]),,
752 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
753 [Directory with the libstdc++ headers.])
755 AC_ARG_WITH(cxx-include-arch,
756 AS_HELP_STRING([--with-cxx-include-arch],
757 [Architecture of the libstdc++ headers.]),,
759 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
760 [Arch the libstdc++ headers.])
762 AC_ARG_WITH(cxx-include-32bit-dir,
763 AS_HELP_STRING([--with-cxx-include-32bit-dir],
764 [32 bit multilib dir.]),,
766 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
767 [32 bit multilib directory.])
769 AC_ARG_WITH(cxx-include-64bit-dir,
770 AS_HELP_STRING([--with-cxx-include-64bit-dir],
771 [64 bit multilib directory.]),,
773 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
774 [64 bit multilib directory.])
776 dnl Allow linking of LLVM with GPLv3 binutils code.
777 AC_ARG_WITH(binutils-include,
778 AS_HELP_STRING([--with-binutils-include],
779 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
782 default) WITH_BINUTILS_INCDIR=default ;;
783 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
784 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
786 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
787 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
788 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
789 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
790 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
794 dnl Specify the URL where bug reports should be submitted.
795 AC_ARG_WITH(bug-report-url,
796 AS_HELP_STRING([--with-bug-report-url],
797 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
798 withval="http://llvm.org/bugs/")
799 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
802 dnl --enable-libffi : check whether the user wants to turn off libffi:
803 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
804 --enable-libffi,[Check for the presence of libffi (default is NO)]),
805 [case "$enableval" in
806 yes) llvm_cv_enable_libffi="yes" ;;
807 no) llvm_cv_enable_libffi="no" ;;
808 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
810 llvm_cv_enable_libffi=no)
812 dnl===-----------------------------------------------------------------------===
814 dnl=== SECTION 4: Check for programs we need and that they are the right version
816 dnl===-----------------------------------------------------------------------===
821 dnl Check for the tools that the makefiles require
824 AC_PATH_PROG(CMP, [cmp], [cmp])
825 AC_PATH_PROG(CP, [cp], [cp])
826 AC_PATH_PROG(DATE, [date], [date])
827 AC_PATH_PROG(FIND, [find], [find])
828 AC_PATH_PROG(GREP, [grep], [grep])
829 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
830 AC_PATH_PROG(MV, [mv], [mv])
832 AC_CHECK_TOOL(AR, ar, false)
833 AC_PATH_PROG(RM, [rm], [rm])
834 AC_PATH_PROG(SED, [sed], [sed])
835 AC_PATH_PROG(TAR, [tar], [gtar])
836 AC_PATH_PROG(BINPWD,[pwd], [pwd])
838 dnl Looking for misc. graph plotting software
839 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
840 if test "$GRAPHVIZ" != "echo Graphviz" ; then
841 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
842 dnl If we're targeting for mingw we should emit windows paths, not msys
843 if test "$llvm_cv_os_type" = "MingW" ; then
844 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
846 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
847 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
849 AC_PATH_PROG(DOT, [dot], [echo dot])
850 if test "$DOT" != "echo dot" ; then
851 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
852 dnl If we're targeting for mingw we should emit windows paths, not msys
853 if test "$llvm_cv_os_type" = "MingW" ; then
854 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
856 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
857 [Define to path to dot program if found or 'echo dot' otherwise])
859 AC_PATH_PROG(FDP, [fdp], [echo fdp])
860 if test "$FDP" != "echo fdp" ; then
861 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
862 dnl If we're targeting for mingw we should emit windows paths, not msys
863 if test "$llvm_cv_os_type" = "MingW" ; then
864 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
866 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
867 [Define to path to fdp program if found or 'echo fdp' otherwise])
869 AC_PATH_PROG(NEATO, [neato], [echo neato])
870 if test "$NEATO" != "echo neato" ; then
871 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
872 dnl If we're targeting for mingw we should emit windows paths, not msys
873 if test "$llvm_cv_os_type" = "MingW" ; then
874 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
876 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
877 [Define to path to neato program if found or 'echo neato' otherwise])
879 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
880 if test "$TWOPI" != "echo twopi" ; then
881 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
882 dnl If we're targeting for mingw we should emit windows paths, not msys
883 if test "$llvm_cv_os_type" = "MingW" ; then
884 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
886 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
887 [Define to path to twopi program if found or 'echo twopi' otherwise])
889 AC_PATH_PROG(CIRCO, [circo], [echo circo])
890 if test "$CIRCO" != "echo circo" ; then
891 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
892 dnl If we're targeting for mingw we should emit windows paths, not msys
893 if test "$llvm_cv_os_type" = "MingW" ; then
894 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
896 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
897 [Define to path to circo program if found or 'echo circo' otherwise])
899 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
900 if test "$GV" != "echo gv" ; then
901 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
902 dnl If we're targeting for mingw we should emit windows paths, not msys
903 if test "$llvm_cv_os_type" = "MingW" ; then
904 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
906 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
907 [Define to path to gv program if found or 'echo gv' otherwise])
909 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
910 if test "$DOTTY" != "echo dotty" ; then
911 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
912 dnl If we're targeting for mingw we should emit windows paths, not msys
913 if test "$llvm_cv_os_type" = "MingW" ; then
914 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
916 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
917 [Define to path to dotty program if found or 'echo dotty' otherwise])
919 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
920 if test "$XDOT_PY" != "echo xdot.py" ; then
921 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
922 dnl If we're targeting for mingw we should emit windows paths, not msys
923 if test "$llvm_cv_os_type" = "MingW" ; then
924 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
926 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
927 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
930 dnl Look for a sufficiently recent version of Perl.
931 LLVM_PROG_PERL([5.006])
933 if test x"$PERL" = xnone; then
934 AC_SUBST(HAVE_PERL,0)
935 AC_MSG_ERROR([perl is required but was not found, please install it])
937 AC_SUBST(HAVE_PERL,1)
940 dnl Find the install program
942 dnl Prepend src dir to install path dir if it's a relative path
943 dnl This is a hack for installs that take place in something other
944 dnl than the top level.
946 [[\\/$]]* | ?:[[\\/]]* ) ;;
947 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
950 dnl Checks for documentation and testing tools that we can do without. If these
951 dnl are not found then they are set to "true" which always succeeds but does
952 dnl nothing. This just lets the build output show that we could have done
953 dnl something if the tool was available.
954 AC_PATH_PROG(BZIP2, [bzip2])
955 AC_PATH_PROG(CAT, [cat])
956 AC_PATH_PROG(DOXYGEN, [doxygen])
957 AC_PATH_PROG(GROFF, [groff])
958 AC_PATH_PROG(GZIPBIN, [gzip])
959 AC_PATH_PROG(POD2HTML, [pod2html])
960 AC_PATH_PROG(POD2MAN, [pod2man])
961 AC_PATH_PROG(PDFROFF, [pdfroff])
962 AC_PATH_PROG(RUNTEST, [runtest])
964 AC_PATH_PROG(ZIP, [zip])
965 AC_PATH_PROGS(OCAMLC, [ocamlc])
966 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
967 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
968 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
969 AC_PATH_PROGS(GAS, [gas as])
971 dnl Get the version of the linker in use.
974 dnl Determine whether the linker supports the -R option.
977 dnl Determine whether the linker supports the -export-dynamic option.
978 AC_LINK_EXPORT_DYNAMIC
980 dnl Determine whether the linker supports the --version-script option.
981 AC_LINK_VERSION_SCRIPT
983 dnl Check for libtool and the library that has dlopen function (which must come
984 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
989 AC_MSG_CHECKING([tool compatibility])
991 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
992 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
993 dnl to support those options.
994 dnl "icc" emits gcc signatures
995 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1007 if test "$GCC" != "yes" && test "$ICC" != "yes"
1009 AC_MSG_ERROR([gcc|icc required but not found])
1012 dnl Ensure that compilation tools are compatible with GCC extensions
1013 if test "$GXX" != "yes" && test "$IXX" != "yes"
1015 AC_MSG_ERROR([g++|clang++|icc required but not found])
1018 dnl Verify that GCC is version 3.0 or higher
1019 if test "$GCC" = "yes"
1021 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1022 #error Unsupported GCC version
1024 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1027 dnl Check for GNU Make. We use its extensions, so don't build without it
1028 if test -z "$llvm_cv_gnu_make_command"
1030 AC_MSG_ERROR([GNU Make required but not found])
1033 dnl Tool compatibility is okay if we make it here.
1036 dnl Check optional compiler flags.
1037 AC_MSG_CHECKING([optional compiler flags])
1038 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1039 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1040 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1042 dnl===-----------------------------------------------------------------------===
1044 dnl=== SECTION 5: Check for libraries
1046 dnl===-----------------------------------------------------------------------===
1049 if test "$llvm_cv_os_type" = "MingW" ; then
1050 AC_CHECK_LIB(imagehlp, main)
1051 AC_CHECK_LIB(psapi, main)
1054 dnl dlopen() is required for plugin support.
1055 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1056 [Define if dlopen() is available on this platform.]),
1057 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1059 dnl libffi is optional; used to call external functions from the interpreter
1060 if test "$llvm_cv_enable_libffi" = "yes" ; then
1061 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1062 [Define if libffi is available on this platform.]),
1063 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1066 dnl mallinfo is optional; the code can compile (minus features) without it
1067 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1068 [Define if mallinfo() is available on this platform.]))
1070 dnl pthread locking functions are optional - but llvm will not be thread-safe
1072 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1073 AC_CHECK_LIB(pthread, pthread_mutex_init)
1074 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1075 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1076 [Have pthread_mutex_lock]))
1077 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1078 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1079 [Have pthread_rwlock_init]))
1080 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1081 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1082 [Have pthread_getspecific]))
1085 dnl Allow extra x86-disassembler library
1087 AS_HELP_STRING([--with-udis86=<path>],
1088 [Use udis86 external x86 disassembler library]),
1090 AC_SUBST(USE_UDIS86, [1])
1093 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1095 AC_CHECK_LIB(udis86, ud_init, [], [
1096 echo "Error! You need to have libudis86 around."
1100 AC_SUBST(USE_UDIS86, [0]))
1101 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1102 [Define if use udis86 library])
1104 dnl Allow OProfile support for JIT output.
1105 AC_ARG_WITH(oprofile,
1106 AS_HELP_STRING([--with-oprofile=<prefix>],
1107 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1109 AC_SUBST(USE_OPROFILE, [1])
1111 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1113 AC_SUBST(USE_OPROFILE, [0]) ;;
1114 *) llvm_cv_oppath="${withval}/lib/oprofile"
1115 CPPFLAGS="-I${withval}/include";;
1117 if test -n "$llvm_cv_oppath" ; then
1118 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1119 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1120 dnl libbfd is not included properly in libopagent in some Debian
1121 dnl versions. If libbfd isn't found at all, we assume opagent works
1123 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1124 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1125 echo "Error! You need to have libopagent around."
1128 AC_CHECK_HEADER([opagent.h], [], [
1129 echo "Error! You need to have opagent.h around."
1135 AC_SUBST(USE_OPROFILE, [0])
1137 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1138 [Define if we have the oprofile JIT-support library])
1140 dnl===-----------------------------------------------------------------------===
1142 dnl=== SECTION 6: Check for header files
1144 dnl===-----------------------------------------------------------------------===
1146 dnl First, use autoconf provided macros for specific headers that we need
1147 dnl We don't check for ancient stuff or things that are guaranteed to be there
1148 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1149 dnl Generally we're looking for POSIX headers.
1151 AC_HEADER_MMAP_ANONYMOUS
1156 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1157 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1158 AC_CHECK_HEADERS([utime.h windows.h])
1159 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1160 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1161 AC_CHECK_HEADERS([valgrind/valgrind.h])
1162 AC_CHECK_HEADERS([fenv.h])
1163 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1164 AC_CHECK_HEADERS(pthread.h,
1165 AC_SUBST(HAVE_PTHREAD, 1),
1166 AC_SUBST(HAVE_PTHREAD, 0))
1168 AC_SUBST(HAVE_PTHREAD, 0)
1171 dnl Try to find ffi.h.
1172 if test "$llvm_cv_enable_libffi" = "yes" ; then
1173 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1176 dnl Try to find Darwin specific crash reporting libraries.
1177 AC_CHECK_HEADERS([CrashReporterClient.h])
1179 dnl Try to find Darwin specific crash reporting global.
1180 AC_MSG_CHECKING([__crashreporter_info__])
1183 [[extern const char *__crashreporter_info__;
1185 __crashreporter_info__ = "test";
1190 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1192 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1193 Define if __crashreporter_info__ exists.))
1195 dnl===-----------------------------------------------------------------------===
1197 dnl=== SECTION 7: Check for types and structures
1199 dnl===-----------------------------------------------------------------------===
1204 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1206 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1207 AC_CHECK_TYPES([uint64_t],,
1208 AC_CHECK_TYPES([u_int64_t],,
1209 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1211 dnl===-----------------------------------------------------------------------===
1213 dnl=== SECTION 8: Check for specific functions needed
1215 dnl===-----------------------------------------------------------------------===
1217 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1218 AC_CHECK_FUNCS([powf fmodf strtof round ])
1219 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1220 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1221 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1222 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1223 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1224 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1228 dnl Check the declaration "Secure API" on Windows environments.
1229 AC_CHECK_DECLS([strerror_s])
1231 dnl Check symbols in libgcc.a for JIT on Mingw.
1232 if test "$llvm_cv_os_type" = "MingW" ; then
1233 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1234 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1235 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1236 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1238 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1239 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1240 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1241 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1242 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1243 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1244 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1245 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1246 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1247 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1249 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1250 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1253 dnl Check Win32 API EnumerateLoadedModules.
1254 if test "$llvm_cv_os_type" = "MingW" ; then
1255 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1256 AC_COMPILE_IFELSE([[#include <windows.h>
1257 #include <imagehlp.h>
1258 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1259 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1261 AC_MSG_RESULT([yes])
1262 llvm_cv_win32_elmcb_pcstr="PCSTR"
1266 llvm_cv_win32_elmcb_pcstr="PSTR"
1268 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1271 dnl Check for variations in the Standard C++ library and STL. These macros are
1272 dnl provided by LLVM in the autoconf/m4 directory.
1276 dnl Check for mmap support.We also need to know if /dev/zero is required to
1277 dnl be opened for allocating RWX memory.
1278 dnl Make sure we aren't attempting to configure for an unknown system
1279 if test "$llvm_cv_platform_type" = "Unix" ; then
1282 AC_NEED_DEV_ZERO_FOR_MMAP
1284 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1286 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1288 if test "$ac_cv_func_mmap_file" = "no"
1290 AC_MSG_WARN([mmap() of files required but not found])
1294 dnl atomic builtins are required for threading support.
1295 AC_MSG_CHECKING(for GCC atomic builtins)
1296 dnl Since we'll be using these atomic builtins in C++ files we should test
1297 dnl the C++ compiler.
1302 volatile unsigned long val = 1;
1303 __sync_synchronize();
1304 __sync_val_compare_and_swap(&val, 1, 0);
1305 __sync_add_and_fetch(&val, 1);
1306 __sync_sub_and_fetch(&val, 1);
1312 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1314 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1315 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1317 dnl===-----------------------------------------------------------------------===
1319 dnl=== SECTION 9: Additional checks, variables, etc.
1321 dnl===-----------------------------------------------------------------------===
1323 dnl Handle 32-bit linux systems running a 64-bit kernel.
1324 dnl This has to come after section 4 because it invokes the compiler.
1325 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1327 if test "$llvm_cv_linux_mixed" = "yes"; then
1328 llvm_cv_target_arch="x86"
1333 dnl Check whether __dso_handle is present
1334 AC_CHECK_FUNCS([__dso_handle])
1336 dnl Propagate the shared library extension that the libltdl checks did to
1337 dnl the Makefiles so we can use it there too
1338 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1340 dnl Propagate the run-time library path variable that the libltdl
1341 dnl checks found to the Makefiles so we can use it there too
1342 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1344 # Translate the various configuration directories and other basic
1345 # information into substitutions that will end up in Makefile.config.in
1346 # that these configured values can be used by the makefiles
1347 if test "${prefix}" = "NONE" ; then
1350 eval LLVM_PREFIX="${prefix}";
1351 eval LLVM_BINDIR="${prefix}/bin";
1352 eval LLVM_LIBDIR="${prefix}/lib";
1353 eval LLVM_DATADIR="${prefix}/share/llvm";
1354 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1355 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1356 eval LLVM_INCLUDEDIR="${prefix}/include";
1357 eval LLVM_INFODIR="${prefix}/info";
1358 eval LLVM_MANDIR="${prefix}/man";
1359 LLVM_CONFIGTIME=`date`
1360 AC_SUBST(LLVM_PREFIX)
1361 AC_SUBST(LLVM_BINDIR)
1362 AC_SUBST(LLVM_LIBDIR)
1363 AC_SUBST(LLVM_DATADIR)
1364 AC_SUBST(LLVM_DOCSDIR)
1365 AC_SUBST(LLVM_ETCDIR)
1366 AC_SUBST(LLVM_INCLUDEDIR)
1367 AC_SUBST(LLVM_INFODIR)
1368 AC_SUBST(LLVM_MANDIR)
1369 AC_SUBST(LLVM_CONFIGTIME)
1371 # Place the various directores into the config.h file as #defines so that we
1372 # can know about the installation paths within LLVM.
1373 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1374 [Installation prefix directory])
1375 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1376 [Installation directory for binary executables])
1377 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1378 [Installation directory for libraries])
1379 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1380 [Installation directory for data files])
1381 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1382 [Installation directory for documentation])
1383 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1384 [Installation directory for config files])
1385 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1386 [Installation directory for include files])
1387 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1388 [Installation directory for .info files])
1389 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1390 [Installation directory for man pages])
1391 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1392 [Time at which LLVM was configured])
1393 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1394 [Target triple LLVM will generate code for by default])
1396 # Determine which bindings to build.
1397 if test "$BINDINGS_TO_BUILD" = auto ; then
1398 BINDINGS_TO_BUILD=""
1399 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1400 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1403 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1405 # This isn't really configurey, but it avoids having to repeat the list in
1407 AC_SUBST(ALL_BINDINGS,ocaml)
1409 # Do any work necessary to ensure that bindings have what they need.
1410 binding_prereqs_failed=0
1411 for a_binding in $BINDINGS_TO_BUILD ; do
1412 case "$a_binding" in
1414 if test "x$OCAMLC" = x ; then
1415 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1416 binding_prereqs_failed=1
1418 if test "x$OCAMLDEP" = x ; then
1419 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1420 binding_prereqs_failed=1
1422 if test "x$OCAMLOPT" = x ; then
1423 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1424 dnl ocamlopt is optional!
1426 if test "x$with_ocaml_libdir" != xauto ; then
1427 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1429 ocaml_stdlib="`"$OCAMLC" -where`"
1430 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1432 # ocaml stdlib is beneath our prefix; use stdlib
1433 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1435 # ocaml stdlib is outside our prefix; use libdir/ocaml
1436 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1442 if test "$binding_prereqs_failed" = 1 ; then
1443 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1446 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1447 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1449 dnl Determine linker rpath flag
1450 if test "$llvm_cv_link_use_r" = "yes" ; then
1457 dnl Determine linker rdynamic flag
1458 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1459 RDYNAMIC="-Wl,-export-dynamic"
1465 dnl===-----------------------------------------------------------------------===
1467 dnl=== SECTION 10: Specify the output files and generate it
1469 dnl===-----------------------------------------------------------------------===
1471 dnl **************************************************************************
1472 dnl End LLVM configure.ac Import
1473 dnl **************************************************************************
1475 dnl Configure a common Makefile
1476 AC_CONFIG_FILES(Makefile.common)
1477 AC_CONFIG_FILES(Makefile.llvm.config)
1479 dnl Configure project makefiles
1480 dnl List every Makefile that exists within your source tree
1481 AC_CONFIG_MAKEFILE(Makefile)
1482 AC_CONFIG_MAKEFILE(lib/Makefile)
1483 AC_CONFIG_MAKEFILE(lib/sample/Makefile)
1484 AC_CONFIG_MAKEFILE(tools/Makefile)
1485 AC_CONFIG_MAKEFILE(tools/sample/Makefile)
1487 dnl This must be last