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 $llvm_cv_platform_type in
279 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
280 AC_SUBST(LLVM_ON_UNIX,[1])
281 AC_SUBST(LLVM_ON_WIN32,[0])
284 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
285 AC_SUBST(LLVM_ON_UNIX,[0])
286 AC_SUBST(LLVM_ON_WIN32,[1])
290 dnl Determine what our target architecture is and configure accordingly.
291 dnl This will allow Makefiles to make a distinction between the hardware and
293 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
295 i?86-*) llvm_cv_target_arch="x86" ;;
296 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
297 sparc*-*) llvm_cv_target_arch="Sparc" ;;
298 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
299 alpha*-*) llvm_cv_target_arch="Alpha" ;;
300 arm*-*) llvm_cv_target_arch="ARM" ;;
301 mips-*) llvm_cv_target_arch="Mips" ;;
302 xcore-*) llvm_cv_target_arch="XCore" ;;
303 msp430-*) llvm_cv_target_arch="MSP430" ;;
304 bfin-*) llvm_cv_target_arch="Blackfin" ;;
305 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
306 ptx-*) llvm_cv_target_arch="PTX" ;;
307 *) llvm_cv_target_arch="Unknown" ;;
310 if test "$llvm_cv_target_arch" = "Unknown" ; then
311 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
314 # Determine the LLVM native architecture for the target
315 case "$llvm_cv_target_arch" in
316 x86) LLVM_NATIVE_ARCH="X86" ;;
317 x86_64) LLVM_NATIVE_ARCH="X86" ;;
318 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
321 dnl Define a substitution, ARCH, for the target architecture
322 AC_SUBST(ARCH,$llvm_cv_target_arch)
324 dnl Check for the endianness of the target
325 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
327 dnl Check for build platform executable suffix if we're crosscompiling
328 if test "$cross_compiling" = yes; then
329 AC_SUBST(LLVM_CROSS_COMPILING, [1])
331 ac_build_prefix=${build_alias}-
332 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
333 if test -z "$BUILD_CXX"; then
334 AC_CHECK_PROG(BUILD_CXX, g++, g++)
335 if test -z "$BUILD_CXX"; then
336 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
340 AC_SUBST(LLVM_CROSS_COMPILING, [0])
343 dnl Check to see if there's a .svn or .git directory indicating that this
344 dnl build is being done from a checkout. This sets up several defaults for
345 dnl the command line switches. When we build with a checkout directory,
346 dnl we get a debug with assertions turned on. Without, we assume a source
347 dnl release and we get an optimized build without assertions.
348 dnl See --enable-optimized and --enable-assertions below
349 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
352 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
358 dnl===-----------------------------------------------------------------------===
360 dnl=== SECTION 3: Command line arguments for the configure script.
362 dnl===-----------------------------------------------------------------------===
364 dnl --enable-optimized : check whether they want to do an optimized build:
365 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
366 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
367 if test ${enableval} = "no" ; then
368 AC_SUBST(ENABLE_OPTIMIZED,[[]])
370 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
373 dnl --enable-profiling : check whether they want to do a profile build:
374 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
375 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
376 if test ${enableval} = "no" ; then
377 AC_SUBST(ENABLE_PROFILING,[[]])
379 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
382 dnl --enable-assertions : check whether they want to turn on assertions or not:
383 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
384 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
385 if test ${enableval} = "yes" ; then
386 AC_SUBST(DISABLE_ASSERTIONS,[[]])
388 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
391 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
392 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
393 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
394 if test ${enableval} = "yes" ; then
395 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
396 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
398 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
399 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
402 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
403 AC_ARG_ENABLE(debug-runtime,
404 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
405 if test ${enableval} = "no" ; then
406 AC_SUBST(DEBUG_RUNTIME,[[]])
408 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
411 dnl --enable-debug-symbols : should even optimized compiler libraries
412 dnl have debug symbols?
413 AC_ARG_ENABLE(debug-symbols,
414 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)
415 if test ${enableval} = "no" ; then
416 AC_SUBST(DEBUG_SYMBOLS,[[]])
418 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
421 dnl --enable-jit: check whether they want to enable the jit
423 AS_HELP_STRING(--enable-jit,
424 [Enable Just In Time Compiling (default is YES)]),,
426 if test ${enableval} = "no"
430 case "$llvm_cv_target_arch" in
431 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
432 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
433 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
434 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
435 Alpha) AC_SUBST(TARGET_HAS_JIT,0) ;;
436 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
437 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
438 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
439 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
440 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
441 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
442 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
443 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
447 dnl Allow enablement of building and installing docs
449 AS_HELP_STRING([--enable-docs],
450 [Build documents (default is YES)]),,
453 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
454 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
455 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
456 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
459 dnl Allow enablement of doxygen generated documentation
460 AC_ARG_ENABLE(doxygen,
461 AS_HELP_STRING([--enable-doxygen],
462 [Build doxygen documentation (default is NO)]),,
465 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
466 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
467 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
468 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
471 dnl Allow disablement of threads
472 AC_ARG_ENABLE(threads,
473 AS_HELP_STRING([--enable-threads],
474 [Use threads if available (default is YES)]),,
477 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
478 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
479 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
480 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
482 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
484 dnl Allow disablement of pthread.h
485 AC_ARG_ENABLE(pthreads,
486 AS_HELP_STRING([--enable-pthreads],
487 [Use pthreads if available (default is YES)]),,
490 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
491 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
492 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
493 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
496 dnl Allow building without position independent code
498 AS_HELP_STRING([--enable-pic],
499 [Build LLVM with Position Independent Code (default is YES)]),,
502 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
503 no) AC_SUBST(ENABLE_PIC,[0]) ;;
504 default) AC_SUBST(ENABLE_PIC,[1]) ;;
505 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
507 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
508 [Define if position independent code is enabled])
510 dnl Allow building a shared library and linking tools against it.
511 AC_ARG_ENABLE(shared,
512 AS_HELP_STRING([--enable-shared],
513 [Build a shared library and link tools against it (default is NO)]),,
516 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
517 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
518 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
519 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
522 dnl Allow libstdc++ is embedded in LLVM.dll.
523 AC_ARG_ENABLE(embed-stdcxx,
524 AS_HELP_STRING([--enable-embed-stdcxx],
525 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
528 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
529 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
530 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
531 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
534 dnl Enable embedding timestamp information into build.
535 AC_ARG_ENABLE(timestamps,
536 AS_HELP_STRING([--enable-timestamps],
537 [Enable embedding timestamp information in build (default is YES)]),,
540 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
541 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
542 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
543 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
545 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
546 [Define if timestamp information (e.g., __DATE___) is allowed])
548 dnl Allow specific targets to be specified for building (or not)
550 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
551 [Build specific host targets: all or target1,target2,... Valid targets are:
552 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu,
553 xcore, msp430, blackfin, ptx, cbe, and cpp (default=all)]),,
555 if test "$enableval" = host-only ; then
559 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU XCore MSP430 Blackfin CBackend CppBackend MBlaze PTX" ;;
560 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
562 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
563 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
564 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
565 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
566 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
567 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
568 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
569 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
570 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
571 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
572 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
573 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
574 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
575 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
576 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
577 host) case "$llvm_cv_target_arch" in
578 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
579 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
580 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
581 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
582 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
583 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
584 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
585 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
586 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
587 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
588 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
589 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
590 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
591 *) AC_MSG_ERROR([Can not set target to build]) ;;
593 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
598 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
600 # Determine whether we are building LLVM support for the native architecture.
601 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
602 for a_target in $TARGETS_TO_BUILD; do
603 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
604 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
605 [LLVM architecture name for the native architecture, if available])
606 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
607 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
608 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
609 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
610 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
611 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
613 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
614 [LLVM name for the native Target init function, if available])
615 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
616 [LLVM name for the native TargetInfo init function, if available])
617 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
618 [LLVM name for the native target MC init function, if available])
619 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
620 [LLVM name for the native AsmPrinter init function, if available])
621 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
622 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
623 [LLVM name for the native AsmParser init function, if available])
628 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
629 # target feature def files.
631 LLVM_ENUM_ASM_PRINTERS=""
632 LLVM_ENUM_ASM_PARSERS=""
633 LLVM_ENUM_DISASSEMBLERS=""
634 for target_to_build in $TARGETS_TO_BUILD; do
635 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
636 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
637 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
639 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
640 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
642 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
643 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
646 AC_SUBST(LLVM_ENUM_TARGETS)
647 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
648 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
649 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
651 dnl Prevent the CBackend from using printf("%a") for floating point so older
652 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
653 dnl can still compile the CBE's output
654 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
655 [Enable C Backend output with hex floating point via %a (default is YES)]),,
658 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
659 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
660 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
661 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
663 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
664 [Define if CBE is enabled for printf %a output])
666 dnl Override the option to use for optimized builds.
667 AC_ARG_WITH(optimize-option,
668 AS_HELP_STRING([--with-optimize-option],
669 [Select the compiler options to use for optimized builds]),,
671 AC_MSG_CHECKING([optimization flags])
674 case "$llvm_cv_os_type" in
675 FreeBSD) optimize_option=-O2 ;;
676 MingW) optimize_option=-O2 ;;
677 *) optimize_option=-O3 ;;
679 *) optimize_option="$withval" ;;
681 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
682 AC_MSG_RESULT([$optimize_option])
684 dnl Specify extra build options
685 AC_ARG_WITH(extra-options,
686 AS_HELP_STRING([--with-extra-options],
687 [Specify additional options to compile LLVM with]),,
690 default) EXTRA_OPTIONS= ;;
691 *) EXTRA_OPTIONS=$withval ;;
693 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
695 dnl Specify extra linker build options
696 AC_ARG_WITH(extra-ld-options,
697 AS_HELP_STRING([--with-extra-ld-options],
698 [Specify additional options to link LLVM with]),,
701 default) EXTRA_LD_OPTIONS= ;;
702 *) EXTRA_LD_OPTIONS=$withval ;;
704 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
706 dnl Allow specific bindings to be specified for building (or not)
707 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
708 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
712 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
713 all ) BINDINGS_TO_BUILD="ocaml" ;;
714 none | no) BINDINGS_TO_BUILD="" ;;
715 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
717 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
718 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
724 dnl Allow the ocaml libdir to be overridden. This could go in a configure
725 dnl script for bindings/ocaml/configure, except that its auto value depends on
726 dnl OCAMLC, which is found here to support tests.
727 AC_ARG_WITH([ocaml-libdir],
728 [AS_HELP_STRING([--with-ocaml-libdir],
729 [Specify install location for ocaml bindings (default is stdlib)])],
733 auto) with_ocaml_libdir="$withval" ;;
734 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
735 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
738 AC_ARG_WITH(clang-resource-dir,
739 AS_HELP_STRING([--with-clang-resource-dir],
740 [Relative directory from the Clang binary for resource files]),,
742 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
743 [Relative directory for resource files])
745 AC_ARG_WITH(c-include-dirs,
746 AS_HELP_STRING([--with-c-include-dirs],
747 [Colon separated list of directories clang will search for headers]),,
749 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
750 [Directories clang will search for headers])
752 AC_ARG_WITH(cxx-include-root,
753 AS_HELP_STRING([--with-cxx-include-root],
754 [Directory with the libstdc++ headers.]),,
756 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
757 [Directory with the libstdc++ headers.])
759 AC_ARG_WITH(cxx-include-arch,
760 AS_HELP_STRING([--with-cxx-include-arch],
761 [Architecture of the libstdc++ headers.]),,
763 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
764 [Arch the libstdc++ headers.])
766 AC_ARG_WITH(cxx-include-32bit-dir,
767 AS_HELP_STRING([--with-cxx-include-32bit-dir],
768 [32 bit multilib dir.]),,
770 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
771 [32 bit multilib directory.])
773 AC_ARG_WITH(cxx-include-64bit-dir,
774 AS_HELP_STRING([--with-cxx-include-64bit-dir],
775 [64 bit multilib directory.]),,
777 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
778 [64 bit multilib directory.])
780 dnl Allow linking of LLVM with GPLv3 binutils code.
781 AC_ARG_WITH(binutils-include,
782 AS_HELP_STRING([--with-binutils-include],
783 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
786 default) WITH_BINUTILS_INCDIR=default ;;
787 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
788 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
790 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
791 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
792 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
793 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
794 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
798 dnl Specify the URL where bug reports should be submitted.
799 AC_ARG_WITH(bug-report-url,
800 AS_HELP_STRING([--with-bug-report-url],
801 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
802 withval="http://llvm.org/bugs/")
803 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
806 dnl --enable-libffi : check whether the user wants to turn off libffi:
807 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
808 --enable-libffi,[Check for the presence of libffi (default is NO)]),
809 [case "$enableval" in
810 yes) llvm_cv_enable_libffi="yes" ;;
811 no) llvm_cv_enable_libffi="no" ;;
812 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
814 llvm_cv_enable_libffi=no)
816 dnl===-----------------------------------------------------------------------===
818 dnl=== SECTION 4: Check for programs we need and that they are the right version
820 dnl===-----------------------------------------------------------------------===
825 dnl Check for the tools that the makefiles require
828 AC_PATH_PROG(CMP, [cmp], [cmp])
829 AC_PATH_PROG(CP, [cp], [cp])
830 AC_PATH_PROG(DATE, [date], [date])
831 AC_PATH_PROG(FIND, [find], [find])
832 AC_PATH_PROG(GREP, [grep], [grep])
833 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
834 AC_PATH_PROG(MV, [mv], [mv])
836 AC_CHECK_TOOL(AR, ar, false)
837 AC_PATH_PROG(RM, [rm], [rm])
838 AC_PATH_PROG(SED, [sed], [sed])
839 AC_PATH_PROG(TAR, [tar], [gtar])
840 AC_PATH_PROG(BINPWD,[pwd], [pwd])
842 dnl Looking for misc. graph plotting software
843 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
844 if test "$GRAPHVIZ" != "echo Graphviz" ; then
845 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
846 dnl If we're targeting for mingw we should emit windows paths, not msys
847 if test "$llvm_cv_os_type" = "MingW" ; then
848 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
850 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
851 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
853 AC_PATH_PROG(DOT, [dot], [echo dot])
854 if test "$DOT" != "echo dot" ; then
855 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
856 dnl If we're targeting for mingw we should emit windows paths, not msys
857 if test "$llvm_cv_os_type" = "MingW" ; then
858 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
860 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
861 [Define to path to dot program if found or 'echo dot' otherwise])
863 AC_PATH_PROG(FDP, [fdp], [echo fdp])
864 if test "$FDP" != "echo fdp" ; then
865 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
866 dnl If we're targeting for mingw we should emit windows paths, not msys
867 if test "$llvm_cv_os_type" = "MingW" ; then
868 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
870 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
871 [Define to path to fdp program if found or 'echo fdp' otherwise])
873 AC_PATH_PROG(NEATO, [neato], [echo neato])
874 if test "$NEATO" != "echo neato" ; then
875 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
876 dnl If we're targeting for mingw we should emit windows paths, not msys
877 if test "$llvm_cv_os_type" = "MingW" ; then
878 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
880 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
881 [Define to path to neato program if found or 'echo neato' otherwise])
883 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
884 if test "$TWOPI" != "echo twopi" ; then
885 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
886 dnl If we're targeting for mingw we should emit windows paths, not msys
887 if test "$llvm_cv_os_type" = "MingW" ; then
888 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
890 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
891 [Define to path to twopi program if found or 'echo twopi' otherwise])
893 AC_PATH_PROG(CIRCO, [circo], [echo circo])
894 if test "$CIRCO" != "echo circo" ; then
895 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
896 dnl If we're targeting for mingw we should emit windows paths, not msys
897 if test "$llvm_cv_os_type" = "MingW" ; then
898 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
900 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
901 [Define to path to circo program if found or 'echo circo' otherwise])
903 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
904 if test "$GV" != "echo gv" ; then
905 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
906 dnl If we're targeting for mingw we should emit windows paths, not msys
907 if test "$llvm_cv_os_type" = "MingW" ; then
908 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
910 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
911 [Define to path to gv program if found or 'echo gv' otherwise])
913 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
914 if test "$DOTTY" != "echo dotty" ; then
915 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
916 dnl If we're targeting for mingw we should emit windows paths, not msys
917 if test "$llvm_cv_os_type" = "MingW" ; then
918 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
920 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
921 [Define to path to dotty program if found or 'echo dotty' otherwise])
923 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
924 if test "$XDOT_PY" != "echo xdot.py" ; then
925 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
926 dnl If we're targeting for mingw we should emit windows paths, not msys
927 if test "$llvm_cv_os_type" = "MingW" ; then
928 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
930 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
931 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
934 dnl Look for a sufficiently recent version of Perl.
935 LLVM_PROG_PERL([5.006])
937 if test x"$PERL" = xnone; then
938 AC_SUBST(HAVE_PERL,0)
939 AC_MSG_ERROR([perl is required but was not found, please install it])
941 AC_SUBST(HAVE_PERL,1)
944 dnl Find the install program
946 dnl Prepend src dir to install path dir if it's a relative path
947 dnl This is a hack for installs that take place in something other
948 dnl than the top level.
950 [[\\/$]]* | ?:[[\\/]]* ) ;;
951 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
954 dnl Checks for documentation and testing tools that we can do without. If these
955 dnl are not found then they are set to "true" which always succeeds but does
956 dnl nothing. This just lets the build output show that we could have done
957 dnl something if the tool was available.
958 AC_PATH_PROG(BZIP2, [bzip2])
959 AC_PATH_PROG(CAT, [cat])
960 AC_PATH_PROG(DOXYGEN, [doxygen])
961 AC_PATH_PROG(GROFF, [groff])
962 AC_PATH_PROG(GZIPBIN, [gzip])
963 AC_PATH_PROG(POD2HTML, [pod2html])
964 AC_PATH_PROG(POD2MAN, [pod2man])
965 AC_PATH_PROG(PDFROFF, [pdfroff])
966 AC_PATH_PROG(RUNTEST, [runtest])
968 AC_PATH_PROG(ZIP, [zip])
969 AC_PATH_PROGS(OCAMLC, [ocamlc])
970 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
971 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
972 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
973 AC_PATH_PROGS(GAS, [gas as])
975 dnl Get the version of the linker in use.
978 dnl Determine whether the linker supports the -R option.
981 dnl Determine whether the linker supports the -export-dynamic option.
982 AC_LINK_EXPORT_DYNAMIC
984 dnl Determine whether the linker supports the --version-script option.
985 AC_LINK_VERSION_SCRIPT
987 dnl Check for libtool and the library that has dlopen function (which must come
988 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
993 AC_MSG_CHECKING([tool compatibility])
995 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
996 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
997 dnl to support those options.
998 dnl "icc" emits gcc signatures
999 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1011 if test "$GCC" != "yes" && test "$ICC" != "yes"
1013 AC_MSG_ERROR([gcc|icc required but not found])
1016 dnl Ensure that compilation tools are compatible with GCC extensions
1017 if test "$GXX" != "yes" && test "$IXX" != "yes"
1019 AC_MSG_ERROR([g++|clang++|icc required but not found])
1022 dnl Verify that GCC is version 3.0 or higher
1023 if test "$GCC" = "yes"
1025 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1026 #error Unsupported GCC version
1028 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1031 dnl Check for GNU Make. We use its extensions, so don't build without it
1032 if test -z "$llvm_cv_gnu_make_command"
1034 AC_MSG_ERROR([GNU Make required but not found])
1037 dnl Tool compatibility is okay if we make it here.
1040 dnl Check optional compiler flags.
1041 AC_MSG_CHECKING([optional compiler flags])
1042 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1043 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1044 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1046 dnl===-----------------------------------------------------------------------===
1048 dnl=== SECTION 5: Check for libraries
1050 dnl===-----------------------------------------------------------------------===
1053 if test "$llvm_cv_os_type" = "MingW" ; then
1054 AC_CHECK_LIB(imagehlp, main)
1055 AC_CHECK_LIB(psapi, main)
1058 dnl dlopen() is required for plugin support.
1059 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1060 [Define if dlopen() is available on this platform.]),
1061 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1063 dnl libffi is optional; used to call external functions from the interpreter
1064 if test "$llvm_cv_enable_libffi" = "yes" ; then
1065 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1066 [Define if libffi is available on this platform.]),
1067 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1070 dnl mallinfo is optional; the code can compile (minus features) without it
1071 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1072 [Define if mallinfo() is available on this platform.]))
1074 dnl pthread locking functions are optional - but llvm will not be thread-safe
1076 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1077 AC_CHECK_LIB(pthread, pthread_mutex_init)
1078 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1079 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1080 [Have pthread_mutex_lock]))
1081 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1082 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1083 [Have pthread_rwlock_init]))
1084 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1085 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1086 [Have pthread_getspecific]))
1089 dnl Allow extra x86-disassembler library
1091 AS_HELP_STRING([--with-udis86=<path>],
1092 [Use udis86 external x86 disassembler library]),
1094 AC_SUBST(USE_UDIS86, [1])
1097 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1099 AC_CHECK_LIB(udis86, ud_init, [], [
1100 echo "Error! You need to have libudis86 around."
1104 AC_SUBST(USE_UDIS86, [0]))
1105 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1106 [Define if use udis86 library])
1108 dnl Allow OProfile support for JIT output.
1109 AC_ARG_WITH(oprofile,
1110 AS_HELP_STRING([--with-oprofile=<prefix>],
1111 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1113 AC_SUBST(USE_OPROFILE, [1])
1115 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1117 AC_SUBST(USE_OPROFILE, [0]) ;;
1118 *) llvm_cv_oppath="${withval}/lib/oprofile"
1119 CPPFLAGS="-I${withval}/include";;
1121 if test -n "$llvm_cv_oppath" ; then
1122 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1123 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1124 dnl libbfd is not included properly in libopagent in some Debian
1125 dnl versions. If libbfd isn't found at all, we assume opagent works
1127 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1128 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1129 echo "Error! You need to have libopagent around."
1132 AC_CHECK_HEADER([opagent.h], [], [
1133 echo "Error! You need to have opagent.h around."
1139 AC_SUBST(USE_OPROFILE, [0])
1141 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1142 [Define if we have the oprofile JIT-support library])
1144 dnl===-----------------------------------------------------------------------===
1146 dnl=== SECTION 6: Check for header files
1148 dnl===-----------------------------------------------------------------------===
1150 dnl First, use autoconf provided macros for specific headers that we need
1151 dnl We don't check for ancient stuff or things that are guaranteed to be there
1152 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1153 dnl Generally we're looking for POSIX headers.
1155 AC_HEADER_MMAP_ANONYMOUS
1160 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1161 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1162 AC_CHECK_HEADERS([utime.h windows.h])
1163 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1164 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1165 AC_CHECK_HEADERS([valgrind/valgrind.h])
1166 AC_CHECK_HEADERS([fenv.h])
1167 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1168 AC_CHECK_HEADERS(pthread.h,
1169 AC_SUBST(HAVE_PTHREAD, 1),
1170 AC_SUBST(HAVE_PTHREAD, 0))
1172 AC_SUBST(HAVE_PTHREAD, 0)
1175 dnl Try to find ffi.h.
1176 if test "$llvm_cv_enable_libffi" = "yes" ; then
1177 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1180 dnl Try to find Darwin specific crash reporting libraries.
1181 AC_CHECK_HEADERS([CrashReporterClient.h])
1183 dnl Try to find Darwin specific crash reporting global.
1184 AC_MSG_CHECKING([__crashreporter_info__])
1187 [[extern const char *__crashreporter_info__;
1189 __crashreporter_info__ = "test";
1194 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1196 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1197 Define if __crashreporter_info__ exists.))
1199 dnl===-----------------------------------------------------------------------===
1201 dnl=== SECTION 7: Check for types and structures
1203 dnl===-----------------------------------------------------------------------===
1208 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1210 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1211 AC_CHECK_TYPES([uint64_t],,
1212 AC_CHECK_TYPES([u_int64_t],,
1213 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1215 dnl===-----------------------------------------------------------------------===
1217 dnl=== SECTION 8: Check for specific functions needed
1219 dnl===-----------------------------------------------------------------------===
1221 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1222 AC_CHECK_FUNCS([powf fmodf strtof round ])
1223 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1224 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1225 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1226 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1227 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1228 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1232 dnl Check the declaration "Secure API" on Windows environments.
1233 AC_CHECK_DECLS([strerror_s])
1235 dnl Check symbols in libgcc.a for JIT on Mingw.
1236 if test "$llvm_cv_os_type" = "MingW" ; then
1237 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1238 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1239 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1240 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1242 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1243 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1244 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1245 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1246 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1247 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1248 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1249 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1250 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1251 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1253 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1254 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1257 dnl Check Win32 API EnumerateLoadedModules.
1258 if test "$llvm_cv_os_type" = "MingW" ; then
1259 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1260 AC_COMPILE_IFELSE([[#include <windows.h>
1261 #include <imagehlp.h>
1262 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1263 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1265 AC_MSG_RESULT([yes])
1266 llvm_cv_win32_elmcb_pcstr="PCSTR"
1270 llvm_cv_win32_elmcb_pcstr="PSTR"
1272 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1275 dnl Check for variations in the Standard C++ library and STL. These macros are
1276 dnl provided by LLVM in the autoconf/m4 directory.
1280 dnl Check for mmap support.We also need to know if /dev/zero is required to
1281 dnl be opened for allocating RWX memory.
1282 dnl Make sure we aren't attempting to configure for an unknown system
1283 if test "$llvm_cv_platform_type" = "Unix" ; then
1286 AC_NEED_DEV_ZERO_FOR_MMAP
1288 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1290 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1292 if test "$ac_cv_func_mmap_file" = "no"
1294 AC_MSG_WARN([mmap() of files required but not found])
1298 dnl atomic builtins are required for threading support.
1299 AC_MSG_CHECKING(for GCC atomic builtins)
1300 dnl Since we'll be using these atomic builtins in C++ files we should test
1301 dnl the C++ compiler.
1306 volatile unsigned long val = 1;
1307 __sync_synchronize();
1308 __sync_val_compare_and_swap(&val, 1, 0);
1309 __sync_add_and_fetch(&val, 1);
1310 __sync_sub_and_fetch(&val, 1);
1316 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1318 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1319 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1321 dnl===-----------------------------------------------------------------------===
1323 dnl=== SECTION 9: Additional checks, variables, etc.
1325 dnl===-----------------------------------------------------------------------===
1327 dnl Handle 32-bit linux systems running a 64-bit kernel.
1328 dnl This has to come after section 4 because it invokes the compiler.
1329 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1331 if test "$llvm_cv_linux_mixed" = "yes"; then
1332 llvm_cv_target_arch="x86"
1337 dnl Check whether __dso_handle is present
1338 AC_CHECK_FUNCS([__dso_handle])
1340 dnl Propagate the shared library extension that the libltdl checks did to
1341 dnl the Makefiles so we can use it there too
1342 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1344 dnl Propagate the run-time library path variable that the libltdl
1345 dnl checks found to the Makefiles so we can use it there too
1346 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1348 # Translate the various configuration directories and other basic
1349 # information into substitutions that will end up in Makefile.config.in
1350 # that these configured values can be used by the makefiles
1351 if test "${prefix}" = "NONE" ; then
1354 eval LLVM_PREFIX="${prefix}";
1355 eval LLVM_BINDIR="${prefix}/bin";
1356 eval LLVM_LIBDIR="${prefix}/lib";
1357 eval LLVM_DATADIR="${prefix}/share/llvm";
1358 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1359 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1360 eval LLVM_INCLUDEDIR="${prefix}/include";
1361 eval LLVM_INFODIR="${prefix}/info";
1362 eval LLVM_MANDIR="${prefix}/man";
1363 LLVM_CONFIGTIME=`date`
1364 AC_SUBST(LLVM_PREFIX)
1365 AC_SUBST(LLVM_BINDIR)
1366 AC_SUBST(LLVM_LIBDIR)
1367 AC_SUBST(LLVM_DATADIR)
1368 AC_SUBST(LLVM_DOCSDIR)
1369 AC_SUBST(LLVM_ETCDIR)
1370 AC_SUBST(LLVM_INCLUDEDIR)
1371 AC_SUBST(LLVM_INFODIR)
1372 AC_SUBST(LLVM_MANDIR)
1373 AC_SUBST(LLVM_CONFIGTIME)
1375 # Place the various directores into the config.h file as #defines so that we
1376 # can know about the installation paths within LLVM.
1377 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1378 [Installation prefix directory])
1379 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1380 [Installation directory for binary executables])
1381 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1382 [Installation directory for libraries])
1383 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1384 [Installation directory for data files])
1385 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1386 [Installation directory for documentation])
1387 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1388 [Installation directory for config files])
1389 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1390 [Installation directory for include files])
1391 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1392 [Installation directory for .info files])
1393 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1394 [Installation directory for man pages])
1395 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1396 [Time at which LLVM was configured])
1397 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1398 [Host triple we were built on])
1400 # Determine which bindings to build.
1401 if test "$BINDINGS_TO_BUILD" = auto ; then
1402 BINDINGS_TO_BUILD=""
1403 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1404 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1407 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1409 # This isn't really configurey, but it avoids having to repeat the list in
1411 AC_SUBST(ALL_BINDINGS,ocaml)
1413 # Do any work necessary to ensure that bindings have what they need.
1414 binding_prereqs_failed=0
1415 for a_binding in $BINDINGS_TO_BUILD ; do
1416 case "$a_binding" in
1418 if test "x$OCAMLC" = x ; then
1419 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1420 binding_prereqs_failed=1
1422 if test "x$OCAMLDEP" = x ; then
1423 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1424 binding_prereqs_failed=1
1426 if test "x$OCAMLOPT" = x ; then
1427 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1428 dnl ocamlopt is optional!
1430 if test "x$with_ocaml_libdir" != xauto ; then
1431 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1433 ocaml_stdlib="`"$OCAMLC" -where`"
1434 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1436 # ocaml stdlib is beneath our prefix; use stdlib
1437 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1439 # ocaml stdlib is outside our prefix; use libdir/ocaml
1440 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1446 if test "$binding_prereqs_failed" = 1 ; then
1447 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1450 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1451 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1453 dnl Determine linker rpath flag
1454 if test "$llvm_cv_link_use_r" = "yes" ; then
1461 dnl Determine linker rdynamic flag
1462 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1463 RDYNAMIC="-Wl,-export-dynamic"
1469 dnl===-----------------------------------------------------------------------===
1471 dnl=== SECTION 10: Specify the output files and generate it
1473 dnl===-----------------------------------------------------------------------===
1475 dnl **************************************************************************
1476 dnl End LLVM configure.ac Import
1477 dnl **************************************************************************
1479 dnl Configure a common Makefile
1480 AC_CONFIG_FILES(Makefile.common)
1481 AC_CONFIG_FILES(Makefile.llvm.config)
1483 dnl Configure project makefiles
1484 dnl List every Makefile that exists within your source tree
1485 AC_CONFIG_MAKEFILE(Makefile)
1486 AC_CONFIG_MAKEFILE(lib/Makefile)
1487 AC_CONFIG_MAKEFILE(lib/sample/Makefile)
1488 AC_CONFIG_MAKEFILE(tools/Makefile)
1489 AC_CONFIG_MAKEFILE(tools/sample/Makefile)
1491 dnl This must be last