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" ;;
135 *-*-freebsd* | *-*-kfreebsd-gnu)
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,--whole-archive"
172 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
173 llvm_cv_os_type="GNU"
174 llvm_cv_platform_type="Unix" ;;
176 llvm_cv_link_all_option="-Wl,-z,allextract"
177 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
178 llvm_cv_os_type="SunOS"
179 llvm_cv_platform_type="Unix" ;;
181 llvm_cv_link_all_option="-Wl,-z,allextract"
182 llvm_cv_link_all_option="-Wl,-z,defaultextract"
183 llvm_cv_os_type="AuroraUX"
184 llvm_cv_platform_type="Unix" ;;
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="Win32"
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="MingW"
194 llvm_cv_platform_type="Win32" ;;
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="Haiku"
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="-Wl,--whole-archive"
207 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
208 llvm_cv_os_type="Freestanding"
209 llvm_cv_platform_type="Unix" ;;
211 llvm_cv_link_all_option=""
212 llvm_cv_no_link_all_option=""
213 llvm_cv_os_type="Unknown"
214 llvm_cv_platform_type="Unknown" ;;
217 AC_CACHE_CHECK([type of operating system we're going to target],
218 [llvm_cv_target_os_type],
221 llvm_cv_target_os_type="AIX" ;;
223 llvm_cv_target_os_type="IRIX" ;;
225 llvm_cv_target_os_type="Cygwin" ;;
227 llvm_cv_target_os_type="Darwin" ;;
229 llvm_cv_target_os_type="Minix" ;;
230 *-*-freebsd* | *-*-kfreebsd-gnu)
231 llvm_cv_target_os_type="FreeBSD" ;;
233 llvm_cv_target_os_type="OpenBSD" ;;
235 llvm_cv_target_os_type="NetBSD" ;;
237 llvm_cv_target_os_type="DragonFly" ;;
239 llvm_cv_target_os_type="HP-UX" ;;
241 llvm_cv_target_os_type="Interix" ;;
243 llvm_cv_target_os_type="Linux" ;;
245 llvm_cv_target_os_type="GNU" ;;
247 llvm_cv_target_os_type="SunOS" ;;
249 llvm_cv_target_os_type="AuroraUX" ;;
251 llvm_cv_target_os_type="Win32" ;;
253 llvm_cv_target_os_type="MingW" ;;
255 llvm_cv_target_os_type="Haiku" ;;
257 llvm_cv_target_os_type="RTEMS" ;;
259 llvm_cv_target_os_type="NativeClient" ;;
261 llvm_cv_target_os_type="Freestanding" ;;
263 llvm_cv_target_os_type="Unknown" ;;
266 dnl Make sure we aren't attempting to configure for an unknown system
267 if test "$llvm_cv_os_type" = "Unknown" ; then
268 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
271 dnl Set the "OS" Makefile variable based on the platform type so the
272 dnl makefile can configure itself to specific build hosts
273 AC_SUBST(OS,$llvm_cv_os_type)
274 AC_SUBST(HOST_OS,$llvm_cv_os_type)
275 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
277 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
278 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
279 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
281 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
282 dnl This is used by lib/Support to determine the basic kind of implementation
284 case $llvm_cv_platform_type in
286 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
287 AC_SUBST(LLVM_ON_UNIX,[1])
288 AC_SUBST(LLVM_ON_WIN32,[0])
291 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
292 AC_SUBST(LLVM_ON_UNIX,[0])
293 AC_SUBST(LLVM_ON_WIN32,[1])
297 dnl Determine what our target architecture is and configure accordingly.
298 dnl This will allow Makefiles to make a distinction between the hardware and
300 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
302 i?86-*) llvm_cv_target_arch="x86" ;;
303 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
304 sparc*-*) llvm_cv_target_arch="Sparc" ;;
305 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
306 arm*-*) llvm_cv_target_arch="ARM" ;;
307 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
308 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
309 xcore-*) llvm_cv_target_arch="XCore" ;;
310 msp430-*) llvm_cv_target_arch="MSP430" ;;
311 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
312 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
313 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
314 *) llvm_cv_target_arch="Unknown" ;;
317 if test "$llvm_cv_target_arch" = "Unknown" ; then
318 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
321 # Determine the LLVM native architecture for the target
322 case "$llvm_cv_target_arch" in
323 x86) LLVM_NATIVE_ARCH="X86" ;;
324 x86_64) LLVM_NATIVE_ARCH="X86" ;;
325 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
328 dnl Define a substitution, ARCH, for the target architecture
329 AC_SUBST(ARCH,$llvm_cv_target_arch)
331 dnl Check for the endianness of the target
332 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
334 dnl Check for build platform executable suffix if we're crosscompiling
335 if test "$cross_compiling" = yes; then
336 AC_SUBST(LLVM_CROSS_COMPILING, [1])
338 ac_build_prefix=${build_alias}-
339 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
340 if test -z "$BUILD_CXX"; then
341 AC_CHECK_PROG(BUILD_CXX, g++, g++)
342 if test -z "$BUILD_CXX"; then
343 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
347 AC_SUBST(LLVM_CROSS_COMPILING, [0])
350 dnl Check to see if there's a .svn or .git directory indicating that this
351 dnl build is being done from a checkout. This sets up several defaults for
352 dnl the command line switches. When we build with a checkout directory,
353 dnl we get a debug with assertions turned on. Without, we assume a source
354 dnl release and we get an optimized build without assertions.
355 dnl See --enable-optimized and --enable-assertions below
356 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
359 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
365 dnl===-----------------------------------------------------------------------===
367 dnl=== SECTION 3: Command line arguments for the configure script.
369 dnl===-----------------------------------------------------------------------===
371 dnl --enable-libcpp : check whether or not to use libc++ on the command line
372 AC_ARG_ENABLE(libcpp,
373 AS_HELP_STRING([--enable-libcpp],
374 [Use libc++ if available (default is NO)]),,
377 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
378 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
379 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
380 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
383 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
385 AS_HELP_STRING([--enable-cxx11],
386 [Use c++11 if available (default is NO)]),,
389 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
390 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
391 default) AC_SUBST(ENABLE_CXX11,[0]);;
392 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
395 dnl --enable-optimized : check whether they want to do an optimized build:
396 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
397 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
398 if test ${enableval} = "no" ; then
399 AC_SUBST(ENABLE_OPTIMIZED,[[]])
401 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
404 dnl --enable-profiling : check whether they want to do a profile build:
405 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
406 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
407 if test ${enableval} = "no" ; then
408 AC_SUBST(ENABLE_PROFILING,[[]])
410 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
413 dnl --enable-assertions : check whether they want to turn on assertions or not:
414 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
415 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
416 if test ${enableval} = "yes" ; then
417 AC_SUBST(DISABLE_ASSERTIONS,[[]])
419 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
422 dnl --enable-werror : check whether we want Werror on by default
423 AC_ARG_ENABLE(werror,AS_HELP_STRING(
424 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
426 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
427 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
428 default) AC_SUBST(ENABLE_WERROR,[0]);;
429 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
432 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
433 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
434 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
435 if test ${enableval} = "yes" ; then
436 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
437 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
439 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
440 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
443 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
444 AC_ARG_ENABLE(debug-runtime,
445 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
446 if test ${enableval} = "no" ; then
447 AC_SUBST(DEBUG_RUNTIME,[[]])
449 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
452 dnl --enable-debug-symbols : should even optimized compiler libraries
453 dnl have debug symbols?
454 AC_ARG_ENABLE(debug-symbols,
455 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)
456 if test ${enableval} = "no" ; then
457 AC_SUBST(DEBUG_SYMBOLS,[[]])
459 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
462 dnl --enable-jit: check whether they want to enable the jit
464 AS_HELP_STRING(--enable-jit,
465 [Enable Just In Time Compiling (default is YES)]),,
467 if test ${enableval} = "no"
471 case "$llvm_cv_target_arch" in
472 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
473 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
474 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
475 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
476 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
477 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
478 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
479 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
480 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
481 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
482 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
483 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
487 dnl Allow enablement of building and installing docs
489 AS_HELP_STRING([--enable-docs],
490 [Build documents (default is YES)]),,
493 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
494 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
495 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
496 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
499 dnl Allow enablement of doxygen generated documentation
500 AC_ARG_ENABLE(doxygen,
501 AS_HELP_STRING([--enable-doxygen],
502 [Build doxygen documentation (default is NO)]),,
505 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
506 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
507 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
508 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
511 dnl Allow disablement of threads
512 AC_ARG_ENABLE(threads,
513 AS_HELP_STRING([--enable-threads],
514 [Use threads if available (default is YES)]),,
517 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
518 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
519 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
520 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
522 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
524 dnl Allow disablement of pthread.h
525 AC_ARG_ENABLE(pthreads,
526 AS_HELP_STRING([--enable-pthreads],
527 [Use pthreads if available (default is YES)]),,
530 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
531 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
532 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
533 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
536 dnl Allow building without position independent code
538 AS_HELP_STRING([--enable-pic],
539 [Build LLVM with Position Independent Code (default is YES)]),,
542 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
543 no) AC_SUBST(ENABLE_PIC,[0]) ;;
544 default) AC_SUBST(ENABLE_PIC,[1]) ;;
545 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
547 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
548 [Define if position independent code is enabled])
550 dnl Allow building a shared library and linking tools against it.
551 AC_ARG_ENABLE(shared,
552 AS_HELP_STRING([--enable-shared],
553 [Build a shared library and link tools against it (default is NO)]),,
556 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
557 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
558 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
559 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
562 dnl Allow libstdc++ is embedded in LLVM.dll.
563 AC_ARG_ENABLE(embed-stdcxx,
564 AS_HELP_STRING([--enable-embed-stdcxx],
565 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
568 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
569 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
570 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
571 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
574 dnl Enable embedding timestamp information into build.
575 AC_ARG_ENABLE(timestamps,
576 AS_HELP_STRING([--enable-timestamps],
577 [Enable embedding timestamp information in build (default is YES)]),,
580 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
581 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
582 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
583 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
585 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
586 [Define if timestamp information (e.g., __DATE___) is allowed])
588 dnl Allow specific targets to be specified for building (or not)
590 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
591 [Build specific host targets: all or target1,target2,... Valid targets are:
592 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
593 xcore, msp430, nvptx, cbe, and cpp (default=all)]),,
595 if test "$enableval" = host-only ; then
599 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips XCore MSP430 Hexagon CppBackend MBlaze NVPTX" ;;
600 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
602 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
603 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
604 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
605 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
606 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
607 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
608 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
609 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
610 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
611 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
612 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
613 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
614 host) case "$llvm_cv_target_arch" in
615 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
616 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
617 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
618 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
619 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
620 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
621 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
622 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
623 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
624 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
625 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
626 *) AC_MSG_ERROR([Can not set target to build]) ;;
628 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
633 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
635 # Determine whether we are building LLVM support for the native architecture.
636 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
637 for a_target in $TARGETS_TO_BUILD; do
638 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
639 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
640 [LLVM architecture name for the native architecture, if available])
641 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
642 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
643 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
644 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
645 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
646 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
648 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
649 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
651 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
652 [LLVM name for the native Target init function, if available])
653 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
654 [LLVM name for the native TargetInfo init function, if available])
655 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
656 [LLVM name for the native target MC init function, if available])
657 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
658 [LLVM name for the native AsmPrinter init function, if available])
659 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
660 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
661 [LLVM name for the native AsmParser init function, if available])
663 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
664 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
665 [LLVM name for the native Disassembler init function, if available])
670 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
671 # target feature def files.
673 LLVM_ENUM_ASM_PRINTERS=""
674 LLVM_ENUM_ASM_PARSERS=""
675 LLVM_ENUM_DISASSEMBLERS=""
676 for target_to_build in $TARGETS_TO_BUILD; do
677 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
678 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
679 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
681 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
682 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
684 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
685 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
688 AC_SUBST(LLVM_ENUM_TARGETS)
689 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
690 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
691 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
693 dnl Override the option to use for optimized builds.
694 AC_ARG_WITH(optimize-option,
695 AS_HELP_STRING([--with-optimize-option],
696 [Select the compiler options to use for optimized builds]),,
698 AC_MSG_CHECKING([optimization flags])
701 case "$llvm_cv_os_type" in
702 FreeBSD) optimize_option=-O2 ;;
703 MingW) optimize_option=-O2 ;;
704 *) optimize_option=-O3 ;;
706 *) optimize_option="$withval" ;;
708 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
709 AC_MSG_RESULT([$optimize_option])
711 dnl Specify extra build options
712 AC_ARG_WITH(extra-options,
713 AS_HELP_STRING([--with-extra-options],
714 [Specify additional options to compile LLVM with]),,
717 default) EXTRA_OPTIONS= ;;
718 *) EXTRA_OPTIONS=$withval ;;
720 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
722 dnl Specify extra linker build options
723 AC_ARG_WITH(extra-ld-options,
724 AS_HELP_STRING([--with-extra-ld-options],
725 [Specify additional options to link LLVM with]),,
728 default) EXTRA_LD_OPTIONS= ;;
729 *) EXTRA_LD_OPTIONS=$withval ;;
731 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
733 dnl Allow specific bindings to be specified for building (or not)
734 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
735 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
739 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
740 all ) BINDINGS_TO_BUILD="ocaml" ;;
741 none | no) BINDINGS_TO_BUILD="" ;;
742 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
744 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
745 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
751 dnl Allow the ocaml libdir to be overridden. This could go in a configure
752 dnl script for bindings/ocaml/configure, except that its auto value depends on
753 dnl OCAMLC, which is found here to support tests.
754 AC_ARG_WITH([ocaml-libdir],
755 [AS_HELP_STRING([--with-ocaml-libdir],
756 [Specify install location for ocaml bindings (default is stdlib)])],
760 auto) with_ocaml_libdir="$withval" ;;
761 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
762 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
765 AC_ARG_WITH(clang-resource-dir,
766 AS_HELP_STRING([--with-clang-resource-dir],
767 [Relative directory from the Clang binary for resource files]),,
769 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
770 [Relative directory for resource files])
772 AC_ARG_WITH(c-include-dirs,
773 AS_HELP_STRING([--with-c-include-dirs],
774 [Colon separated list of directories clang will search for headers]),,
776 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
777 [Directories clang will search for headers])
779 # Clang normally uses the system c++ headers and libraries. With this option,
780 # clang will use the ones provided by a gcc installation instead. This option should
781 # be passed the same value that was used with --prefix when configuring gcc.
782 AC_ARG_WITH(gcc-toolchain,
783 AS_HELP_STRING([--with-gcc-toolchain],
784 [Directory where gcc is installed.]),,
786 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
787 [Directory where gcc is installed.])
789 dnl Allow linking of LLVM with GPLv3 binutils code.
790 AC_ARG_WITH(binutils-include,
791 AS_HELP_STRING([--with-binutils-include],
792 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
795 default) WITH_BINUTILS_INCDIR=default ;;
796 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
797 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
799 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
800 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
801 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
802 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
803 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
807 dnl Specify the URL where bug reports should be submitted.
808 AC_ARG_WITH(bug-report-url,
809 AS_HELP_STRING([--with-bug-report-url],
810 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
811 withval="http://llvm.org/bugs/")
812 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
815 dnl --enable-libffi : check whether the user wants to turn off libffi:
816 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
817 --enable-libffi,[Check for the presence of libffi (default is NO)]),
818 [case "$enableval" in
819 yes) llvm_cv_enable_libffi="yes" ;;
820 no) llvm_cv_enable_libffi="no" ;;
821 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
823 llvm_cv_enable_libffi=no)
825 dnl===-----------------------------------------------------------------------===
827 dnl=== SECTION 4: Check for programs we need and that they are the right version
829 dnl===-----------------------------------------------------------------------===
834 dnl Check for the tools that the makefiles require
837 AC_PATH_PROG(CMP, [cmp], [cmp])
838 AC_PATH_PROG(CP, [cp], [cp])
839 AC_PATH_PROG(DATE, [date], [date])
840 AC_PATH_PROG(FIND, [find], [find])
841 AC_PATH_PROG(GREP, [grep], [grep])
842 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
843 AC_PATH_PROG(MV, [mv], [mv])
845 AC_CHECK_TOOL(AR, ar, false)
846 AC_PATH_PROG(RM, [rm], [rm])
847 AC_PATH_PROG(SED, [sed], [sed])
848 AC_PATH_PROG(TAR, [tar], [gtar])
849 AC_PATH_PROG(BINPWD,[pwd], [pwd])
851 dnl Looking for misc. graph plotting software
852 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
853 if test "$GRAPHVIZ" != "echo Graphviz" ; then
854 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
855 dnl If we're targeting for mingw we should emit windows paths, not msys
856 if test "$llvm_cv_os_type" = "MingW" ; then
857 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
859 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
860 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
862 AC_PATH_PROG(DOT, [dot], [echo dot])
863 if test "$DOT" != "echo dot" ; then
864 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
865 dnl If we're targeting for mingw we should emit windows paths, not msys
866 if test "$llvm_cv_os_type" = "MingW" ; then
867 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
869 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
870 [Define to path to dot program if found or 'echo dot' otherwise])
872 AC_PATH_PROG(FDP, [fdp], [echo fdp])
873 if test "$FDP" != "echo fdp" ; then
874 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
875 dnl If we're targeting for mingw we should emit windows paths, not msys
876 if test "$llvm_cv_os_type" = "MingW" ; then
877 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
879 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
880 [Define to path to fdp program if found or 'echo fdp' otherwise])
882 AC_PATH_PROG(NEATO, [neato], [echo neato])
883 if test "$NEATO" != "echo neato" ; then
884 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
885 dnl If we're targeting for mingw we should emit windows paths, not msys
886 if test "$llvm_cv_os_type" = "MingW" ; then
887 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
889 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
890 [Define to path to neato program if found or 'echo neato' otherwise])
892 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
893 if test "$TWOPI" != "echo twopi" ; then
894 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
895 dnl If we're targeting for mingw we should emit windows paths, not msys
896 if test "$llvm_cv_os_type" = "MingW" ; then
897 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
899 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
900 [Define to path to twopi program if found or 'echo twopi' otherwise])
902 AC_PATH_PROG(CIRCO, [circo], [echo circo])
903 if test "$CIRCO" != "echo circo" ; then
904 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
905 dnl If we're targeting for mingw we should emit windows paths, not msys
906 if test "$llvm_cv_os_type" = "MingW" ; then
907 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
909 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
910 [Define to path to circo program if found or 'echo circo' otherwise])
912 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
913 if test "$GV" != "echo gv" ; then
914 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
915 dnl If we're targeting for mingw we should emit windows paths, not msys
916 if test "$llvm_cv_os_type" = "MingW" ; then
917 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
919 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
920 [Define to path to gv program if found or 'echo gv' otherwise])
922 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
923 if test "$DOTTY" != "echo dotty" ; then
924 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
925 dnl If we're targeting for mingw we should emit windows paths, not msys
926 if test "$llvm_cv_os_type" = "MingW" ; then
927 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
929 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
930 [Define to path to dotty program if found or 'echo dotty' otherwise])
932 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
933 if test "$XDOT_PY" != "echo xdot.py" ; then
934 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
935 dnl If we're targeting for mingw we should emit windows paths, not msys
936 if test "$llvm_cv_os_type" = "MingW" ; then
937 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
939 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
940 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
943 dnl Find the install program
945 dnl Prepend src dir to install path dir if it's a relative path
946 dnl This is a hack for installs that take place in something other
947 dnl than the top level.
949 [[\\/$]]* | ?:[[\\/]]* ) ;;
950 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
953 dnl Checks for documentation and testing tools that we can do without. If these
954 dnl are not found then they are set to "true" which always succeeds but does
955 dnl nothing. This just lets the build output show that we could have done
956 dnl something if the tool was available.
957 AC_PATH_PROG(BZIP2, [bzip2])
958 AC_PATH_PROG(CAT, [cat])
959 AC_PATH_PROG(DOXYGEN, [doxygen])
960 AC_PATH_PROG(GROFF, [groff])
961 AC_PATH_PROG(GZIPBIN, [gzip])
962 AC_PATH_PROG(POD2HTML, [pod2html])
963 AC_PATH_PROG(POD2MAN, [pod2man])
964 AC_PATH_PROG(PDFROFF, [pdfroff])
965 AC_PATH_PROG(RUNTEST, [runtest])
967 AC_PATH_PROG(ZIP, [zip])
968 AC_PATH_PROGS(OCAMLC, [ocamlc])
969 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
970 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
971 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
972 AC_PATH_PROGS(GAS, [gas as])
974 dnl Get the version of the linker in use.
977 dnl Determine whether the linker supports the -R option.
980 dnl Determine whether the linker supports the -export-dynamic option.
981 AC_LINK_EXPORT_DYNAMIC
983 dnl Determine whether the linker supports the --version-script option.
984 AC_LINK_VERSION_SCRIPT
986 dnl Check for libtool and the library that has dlopen function (which must come
987 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
992 AC_MSG_CHECKING([tool compatibility])
994 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
995 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
996 dnl to support those options.
997 dnl "icc" emits gcc signatures
998 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1010 if test "$GCC" != "yes" && test "$ICC" != "yes"
1012 AC_MSG_ERROR([gcc|icc required but not found])
1015 dnl Ensure that compilation tools are compatible with GCC extensions
1016 if test "$GXX" != "yes" && test "$IXX" != "yes"
1018 AC_MSG_ERROR([g++|clang++|icc required but not found])
1021 dnl Verify that GCC is version 3.0 or higher
1022 if test "$GCC" = "yes"
1024 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1025 #error Unsupported GCC version
1027 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1030 dnl Check for GNU Make. We use its extensions, so don't build without it
1031 if test -z "$llvm_cv_gnu_make_command"
1033 AC_MSG_ERROR([GNU Make required but not found])
1036 dnl Tool compatibility is okay if we make it here.
1039 dnl Check optional compiler flags.
1040 AC_MSG_CHECKING([optional compiler flags])
1041 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1042 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1043 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1044 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1046 dnl===-----------------------------------------------------------------------===
1048 dnl=== SECTION 5: Check for libraries
1050 dnl===-----------------------------------------------------------------------===
1053 if test "$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, "$LLVM_CONFIGTIME",
1396 [Time at which LLVM was configured])
1397 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1398 [Target triple LLVM will generate code for by default])
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