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 $llvm_cv_platform_type in
279 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
280 AC_SUBST(LLVM_ON_UNIX,[1])
281 AC_SUBST(LLVM_ON_WIN32,[0])
284 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
285 AC_SUBST(LLVM_ON_UNIX,[0])
286 AC_SUBST(LLVM_ON_WIN32,[1])
290 dnl Determine what our target architecture is and configure accordingly.
291 dnl This will allow Makefiles to make a distinction between the hardware and
293 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
295 i?86-*) llvm_cv_target_arch="x86" ;;
296 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
297 sparc*-*) llvm_cv_target_arch="Sparc" ;;
298 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
299 alpha*-*) llvm_cv_target_arch="Alpha" ;;
300 arm*-*) llvm_cv_target_arch="ARM" ;;
301 mips-*) llvm_cv_target_arch="Mips" ;;
302 xcore-*) llvm_cv_target_arch="XCore" ;;
303 msp430-*) llvm_cv_target_arch="MSP430" ;;
304 s390x-*) llvm_cv_target_arch="SystemZ" ;;
305 bfin-*) llvm_cv_target_arch="Blackfin" ;;
306 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
307 ptx-*) llvm_cv_target_arch="PTX" ;;
308 *) llvm_cv_target_arch="Unknown" ;;
311 if test "$llvm_cv_target_arch" = "Unknown" ; then
312 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
315 # Determine the LLVM native architecture for the target
316 case "$llvm_cv_target_arch" in
317 x86) LLVM_NATIVE_ARCH="X86" ;;
318 x86_64) LLVM_NATIVE_ARCH="X86" ;;
319 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
322 dnl Define a substitution, ARCH, for the target architecture
323 AC_SUBST(ARCH,$llvm_cv_target_arch)
325 dnl Check for the endianness of the target
326 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
328 dnl Check for build platform executable suffix if we're crosscompiling
329 if test "$cross_compiling" = yes; then
330 AC_SUBST(LLVM_CROSS_COMPILING, [1])
332 ac_build_prefix=${build_alias}-
333 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
334 if test -z "$BUILD_CXX"; then
335 AC_CHECK_PROG(BUILD_CXX, g++, g++)
336 if test -z "$BUILD_CXX"; then
337 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
341 AC_SUBST(LLVM_CROSS_COMPILING, [0])
344 dnl Check to see if there's a .svn or .git directory indicating that this
345 dnl build is being done from a checkout. This sets up several defaults for
346 dnl the command line switches. When we build with a checkout directory,
347 dnl we get a debug with assertions turned on. Without, we assume a source
348 dnl release and we get an optimized build without assertions.
349 dnl See --enable-optimized and --enable-assertions below
350 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
353 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
359 dnl===-----------------------------------------------------------------------===
361 dnl=== SECTION 3: Command line arguments for the configure script.
363 dnl===-----------------------------------------------------------------------===
365 dnl --enable-optimized : check whether they want to do an optimized build:
366 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
367 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
368 if test ${enableval} = "no" ; then
369 AC_SUBST(ENABLE_OPTIMIZED,[[]])
371 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
374 dnl --enable-profiling : check whether they want to do a profile build:
375 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
376 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
377 if test ${enableval} = "no" ; then
378 AC_SUBST(ENABLE_PROFILING,[[]])
380 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
383 dnl --enable-assertions : check whether they want to turn on assertions or not:
384 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
385 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
386 if test ${enableval} = "yes" ; then
387 AC_SUBST(DISABLE_ASSERTIONS,[[]])
389 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
392 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
393 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
394 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
395 if test ${enableval} = "yes" ; then
396 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
397 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
399 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
400 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
403 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
404 AC_ARG_ENABLE(debug-runtime,
405 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
406 if test ${enableval} = "no" ; then
407 AC_SUBST(DEBUG_RUNTIME,[[]])
409 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
412 dnl --enable-debug-symbols : should even optimized compiler libraries
413 dnl have debug symbols?
414 AC_ARG_ENABLE(debug-symbols,
415 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)
416 if test ${enableval} = "no" ; then
417 AC_SUBST(DEBUG_SYMBOLS,[[]])
419 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
422 dnl --enable-jit: check whether they want to enable the jit
424 AS_HELP_STRING(--enable-jit,
425 [Enable Just In Time Compiling (default is YES)]),,
427 if test ${enableval} = "no"
431 case "$llvm_cv_target_arch" in
432 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
433 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
434 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
435 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
436 Alpha) AC_SUBST(TARGET_HAS_JIT,0) ;;
437 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
438 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
439 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
440 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
441 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
442 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
443 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
444 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
445 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
449 dnl Allow enablement of building and installing docs
451 AS_HELP_STRING([--enable-docs],
452 [Build documents (default is YES)]),,
455 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
456 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
457 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
458 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
461 dnl Allow enablement of doxygen generated documentation
462 AC_ARG_ENABLE(doxygen,
463 AS_HELP_STRING([--enable-doxygen],
464 [Build doxygen documentation (default is NO)]),,
467 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
468 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
469 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
470 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
473 dnl Allow disablement of threads
474 AC_ARG_ENABLE(threads,
475 AS_HELP_STRING([--enable-threads],
476 [Use threads if available (default is YES)]),,
479 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
480 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
481 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
482 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
484 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
486 dnl Allow disablement of pthread.h
487 AC_ARG_ENABLE(pthreads,
488 AS_HELP_STRING([--enable-pthreads],
489 [Use pthreads if available (default is YES)]),,
492 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
493 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
494 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
495 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
498 dnl Allow building without position independent code
500 AS_HELP_STRING([--enable-pic],
501 [Build LLVM with Position Independent Code (default is YES)]),,
504 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
505 no) AC_SUBST(ENABLE_PIC,[0]) ;;
506 default) AC_SUBST(ENABLE_PIC,[1]) ;;
507 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
509 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
510 [Define if position independent code is enabled])
512 dnl Allow building a shared library and linking tools against it.
513 AC_ARG_ENABLE(shared,
514 AS_HELP_STRING([--enable-shared],
515 [Build a shared library and link tools against it (default is NO)]),,
518 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
519 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
520 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
521 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
524 dnl Allow libstdc++ is embedded in LLVM.dll.
525 AC_ARG_ENABLE(embed-stdcxx,
526 AS_HELP_STRING([--enable-embed-stdcxx],
527 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
530 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
531 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
532 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
533 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
536 dnl Enable embedding timestamp information into build.
537 AC_ARG_ENABLE(timestamps,
538 AS_HELP_STRING([--enable-timestamps],
539 [Enable embedding timestamp information in build (default is YES)]),,
542 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
543 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
544 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
545 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
547 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
548 [Define if timestamp information (e.g., __DATE___) is allowed])
550 dnl Allow specific targets to be specified for building (or not)
552 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
553 [Build specific host targets: all or target1,target2,... Valid targets are:
554 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu,
555 xcore, msp430, systemz, blackfin, ptx, cbe, and cpp (default=all)]),,
557 if test "$enableval" = host-only ; then
561 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU XCore MSP430 SystemZ Blackfin CBackend CppBackend MBlaze PTX" ;;
562 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
564 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
565 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
566 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
567 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
568 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
569 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
570 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
571 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
572 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
573 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
574 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
575 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
576 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
577 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
578 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
579 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
580 host) case "$llvm_cv_target_arch" in
581 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
582 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
583 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
584 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
585 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
586 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
587 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
588 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
589 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
590 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
591 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
592 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
593 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
594 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
595 *) AC_MSG_ERROR([Can not set target to build]) ;;
597 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
602 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
604 # Determine whether we are building LLVM support for the native architecture.
605 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
606 for a_target in $TARGETS_TO_BUILD; do
607 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
608 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
609 [LLVM architecture name for the native architecture, if available])
610 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
611 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
612 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
613 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
614 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
615 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
617 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
618 [LLVM name for the native Target init function, if available])
619 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
620 [LLVM name for the native TargetInfo init function, if available])
621 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
622 [LLVM name for the native target MC init function, if available])
623 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
624 [LLVM name for the native AsmPrinter init function, if available])
625 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
626 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
627 [LLVM name for the native AsmParser init function, if available])
632 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
633 # target feature def files.
635 LLVM_ENUM_ASM_PRINTERS=""
636 LLVM_ENUM_ASM_PARSERS=""
637 LLVM_ENUM_DISASSEMBLERS=""
638 for target_to_build in $TARGETS_TO_BUILD; do
639 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
640 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
641 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
643 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
644 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
646 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
647 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
650 AC_SUBST(LLVM_ENUM_TARGETS)
651 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
652 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
653 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
655 dnl Prevent the CBackend from using printf("%a") for floating point so older
656 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
657 dnl can still compile the CBE's output
658 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
659 [Enable C Backend output with hex floating point via %a (default is YES)]),,
662 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
663 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
664 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
665 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
667 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
668 [Define if CBE is enabled for printf %a output])
670 dnl Override the option to use for optimized builds.
671 AC_ARG_WITH(optimize-option,
672 AS_HELP_STRING([--with-optimize-option],
673 [Select the compiler options to use for optimized builds]),,
675 AC_MSG_CHECKING([optimization flags])
678 case "$llvm_cv_os_type" in
679 FreeBSD) optimize_option=-O2 ;;
680 MingW) optimize_option=-O2 ;;
681 *) optimize_option=-O3 ;;
683 *) optimize_option="$withval" ;;
685 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
686 AC_MSG_RESULT([$optimize_option])
688 dnl Specify extra build options
689 AC_ARG_WITH(extra-options,
690 AS_HELP_STRING([--with-extra-options],
691 [Specify additional options to compile LLVM with]),,
694 default) EXTRA_OPTIONS= ;;
695 *) EXTRA_OPTIONS=$withval ;;
697 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
699 dnl Specify extra linker build options
700 AC_ARG_WITH(extra-ld-options,
701 AS_HELP_STRING([--with-extra-ld-options],
702 [Specify additional options to link LLVM with]),,
705 default) EXTRA_LD_OPTIONS= ;;
706 *) EXTRA_LD_OPTIONS=$withval ;;
708 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
710 dnl Allow specific bindings to be specified for building (or not)
711 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
712 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
716 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
717 all ) BINDINGS_TO_BUILD="ocaml" ;;
718 none | no) BINDINGS_TO_BUILD="" ;;
719 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
721 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
722 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
728 dnl Allow the ocaml libdir to be overridden. This could go in a configure
729 dnl script for bindings/ocaml/configure, except that its auto value depends on
730 dnl OCAMLC, which is found here to support tests.
731 AC_ARG_WITH([ocaml-libdir],
732 [AS_HELP_STRING([--with-ocaml-libdir],
733 [Specify install location for ocaml bindings (default is stdlib)])],
737 auto) with_ocaml_libdir="$withval" ;;
738 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
739 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
742 AC_ARG_WITH(clang-resource-dir,
743 AS_HELP_STRING([--with-clang-resource-dir],
744 [Relative directory from the Clang binary for resource files]),,
746 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
747 [Relative directory for resource files])
749 AC_ARG_WITH(c-include-dirs,
750 AS_HELP_STRING([--with-c-include-dirs],
751 [Colon separated list of directories clang will search for headers]),,
753 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
754 [Directories clang will search for headers])
756 AC_ARG_WITH(cxx-include-root,
757 AS_HELP_STRING([--with-cxx-include-root],
758 [Directory with the libstdc++ headers.]),,
760 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
761 [Directory with the libstdc++ headers.])
763 AC_ARG_WITH(cxx-include-arch,
764 AS_HELP_STRING([--with-cxx-include-arch],
765 [Architecture of the libstdc++ headers.]),,
767 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
768 [Arch the libstdc++ headers.])
770 AC_ARG_WITH(cxx-include-32bit-dir,
771 AS_HELP_STRING([--with-cxx-include-32bit-dir],
772 [32 bit multilib dir.]),,
774 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
775 [32 bit multilib directory.])
777 AC_ARG_WITH(cxx-include-64bit-dir,
778 AS_HELP_STRING([--with-cxx-include-64bit-dir],
779 [64 bit multilib directory.]),,
781 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
782 [64 bit multilib directory.])
784 dnl Allow linking of LLVM with GPLv3 binutils code.
785 AC_ARG_WITH(binutils-include,
786 AS_HELP_STRING([--with-binutils-include],
787 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
790 default) WITH_BINUTILS_INCDIR=default ;;
791 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
792 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
794 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
795 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
796 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
797 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
798 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
802 dnl Specify the URL where bug reports should be submitted.
803 AC_ARG_WITH(bug-report-url,
804 AS_HELP_STRING([--with-bug-report-url],
805 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
806 withval="http://llvm.org/bugs/")
807 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
810 dnl --enable-libffi : check whether the user wants to turn off libffi:
811 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
812 --enable-libffi,[Check for the presence of libffi (default is NO)]),
813 [case "$enableval" in
814 yes) llvm_cv_enable_libffi="yes" ;;
815 no) llvm_cv_enable_libffi="no" ;;
816 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
818 llvm_cv_enable_libffi=no)
820 dnl===-----------------------------------------------------------------------===
822 dnl=== SECTION 4: Check for programs we need and that they are the right version
824 dnl===-----------------------------------------------------------------------===
829 dnl Check for the tools that the makefiles require
832 AC_PATH_PROG(CMP, [cmp], [cmp])
833 AC_PATH_PROG(CP, [cp], [cp])
834 AC_PATH_PROG(DATE, [date], [date])
835 AC_PATH_PROG(FIND, [find], [find])
836 AC_PATH_PROG(GREP, [grep], [grep])
837 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
838 AC_PATH_PROG(MV, [mv], [mv])
840 AC_CHECK_TOOL(AR, ar, false)
841 AC_PATH_PROG(RM, [rm], [rm])
842 AC_PATH_PROG(SED, [sed], [sed])
843 AC_PATH_PROG(TAR, [tar], [gtar])
844 AC_PATH_PROG(BINPWD,[pwd], [pwd])
846 dnl Looking for misc. graph plotting software
847 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
848 if test "$GRAPHVIZ" != "echo Graphviz" ; then
849 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
850 dnl If we're targeting for mingw we should emit windows paths, not msys
851 if test "$llvm_cv_os_type" = "MingW" ; then
852 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
854 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
855 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
857 AC_PATH_PROG(DOT, [dot], [echo dot])
858 if test "$DOT" != "echo dot" ; then
859 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
860 dnl If we're targeting for mingw we should emit windows paths, not msys
861 if test "$llvm_cv_os_type" = "MingW" ; then
862 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
864 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
865 [Define to path to dot program if found or 'echo dot' otherwise])
867 AC_PATH_PROG(FDP, [fdp], [echo fdp])
868 if test "$FDP" != "echo fdp" ; then
869 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
870 dnl If we're targeting for mingw we should emit windows paths, not msys
871 if test "$llvm_cv_os_type" = "MingW" ; then
872 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
874 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
875 [Define to path to fdp program if found or 'echo fdp' otherwise])
877 AC_PATH_PROG(NEATO, [neato], [echo neato])
878 if test "$NEATO" != "echo neato" ; then
879 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
880 dnl If we're targeting for mingw we should emit windows paths, not msys
881 if test "$llvm_cv_os_type" = "MingW" ; then
882 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
884 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
885 [Define to path to neato program if found or 'echo neato' otherwise])
887 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
888 if test "$TWOPI" != "echo twopi" ; then
889 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
890 dnl If we're targeting for mingw we should emit windows paths, not msys
891 if test "$llvm_cv_os_type" = "MingW" ; then
892 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
894 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
895 [Define to path to twopi program if found or 'echo twopi' otherwise])
897 AC_PATH_PROG(CIRCO, [circo], [echo circo])
898 if test "$CIRCO" != "echo circo" ; then
899 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
900 dnl If we're targeting for mingw we should emit windows paths, not msys
901 if test "$llvm_cv_os_type" = "MingW" ; then
902 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
904 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
905 [Define to path to circo program if found or 'echo circo' otherwise])
907 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
908 if test "$GV" != "echo gv" ; then
909 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
910 dnl If we're targeting for mingw we should emit windows paths, not msys
911 if test "$llvm_cv_os_type" = "MingW" ; then
912 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
914 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
915 [Define to path to gv program if found or 'echo gv' otherwise])
917 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
918 if test "$DOTTY" != "echo dotty" ; then
919 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
920 dnl If we're targeting for mingw we should emit windows paths, not msys
921 if test "$llvm_cv_os_type" = "MingW" ; then
922 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
924 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
925 [Define to path to dotty program if found or 'echo dotty' otherwise])
927 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
928 if test "$XDOT_PY" != "echo xdot.py" ; then
929 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
930 dnl If we're targeting for mingw we should emit windows paths, not msys
931 if test "$llvm_cv_os_type" = "MingW" ; then
932 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
934 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
935 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
938 dnl Look for a sufficiently recent version of Perl.
939 LLVM_PROG_PERL([5.006])
941 if test x"$PERL" = xnone; then
942 AC_SUBST(HAVE_PERL,0)
943 AC_MSG_ERROR([perl is required but was not found, please install it])
945 AC_SUBST(HAVE_PERL,1)
948 dnl Find the install program
950 dnl Prepend src dir to install path dir if it's a relative path
951 dnl This is a hack for installs that take place in something other
952 dnl than the top level.
954 [[\\/$]]* | ?:[[\\/]]* ) ;;
955 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
958 dnl Checks for documentation and testing tools that we can do without. If these
959 dnl are not found then they are set to "true" which always succeeds but does
960 dnl nothing. This just lets the build output show that we could have done
961 dnl something if the tool was available.
962 AC_PATH_PROG(BZIP2, [bzip2])
963 AC_PATH_PROG(CAT, [cat])
964 AC_PATH_PROG(DOXYGEN, [doxygen])
965 AC_PATH_PROG(GROFF, [groff])
966 AC_PATH_PROG(GZIPBIN, [gzip])
967 AC_PATH_PROG(POD2HTML, [pod2html])
968 AC_PATH_PROG(POD2MAN, [pod2man])
969 AC_PATH_PROG(PDFROFF, [pdfroff])
970 AC_PATH_PROG(RUNTEST, [runtest])
972 AC_PATH_PROG(ZIP, [zip])
973 AC_PATH_PROGS(OCAMLC, [ocamlc])
974 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
975 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
976 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
977 AC_PATH_PROGS(GAS, [gas as])
979 dnl Get the version of the linker in use.
982 dnl Determine whether the linker supports the -R option.
985 dnl Determine whether the linker supports the -export-dynamic option.
986 AC_LINK_EXPORT_DYNAMIC
988 dnl Determine whether the linker supports the --version-script option.
989 AC_LINK_VERSION_SCRIPT
991 dnl Check for libtool and the library that has dlopen function (which must come
992 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
997 AC_MSG_CHECKING([tool compatibility])
999 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1000 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1001 dnl to support those options.
1002 dnl "icc" emits gcc signatures
1003 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1015 if test "$GCC" != "yes" && test "$ICC" != "yes"
1017 AC_MSG_ERROR([gcc|icc required but not found])
1020 dnl Ensure that compilation tools are compatible with GCC extensions
1021 if test "$GXX" != "yes" && test "$IXX" != "yes"
1023 AC_MSG_ERROR([g++|clang++|icc required but not found])
1026 dnl Verify that GCC is version 3.0 or higher
1027 if test "$GCC" = "yes"
1029 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1030 #error Unsupported GCC version
1032 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1035 dnl Check for GNU Make. We use its extensions, so don't build without it
1036 if test -z "$llvm_cv_gnu_make_command"
1038 AC_MSG_ERROR([GNU Make required but not found])
1041 dnl Tool compatibility is okay if we make it here.
1044 dnl Check optional compiler flags.
1045 AC_MSG_CHECKING([optional compiler flags])
1046 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1047 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1048 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1050 dnl===-----------------------------------------------------------------------===
1052 dnl=== SECTION 5: Check for libraries
1054 dnl===-----------------------------------------------------------------------===
1057 if test "$llvm_cv_os_type" = "MingW" ; then
1058 AC_CHECK_LIB(imagehlp, main)
1059 AC_CHECK_LIB(psapi, main)
1062 dnl dlopen() is required for plugin support.
1063 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1064 [Define if dlopen() is available on this platform.]),
1065 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1067 dnl libffi is optional; used to call external functions from the interpreter
1068 if test "$llvm_cv_enable_libffi" = "yes" ; then
1069 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1070 [Define if libffi is available on this platform.]),
1071 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1074 dnl mallinfo is optional; the code can compile (minus features) without it
1075 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1076 [Define if mallinfo() is available on this platform.]))
1078 dnl pthread locking functions are optional - but llvm will not be thread-safe
1080 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1081 AC_CHECK_LIB(pthread, pthread_mutex_init)
1082 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1083 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1084 [Have pthread_mutex_lock]))
1085 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1086 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1087 [Have pthread_rwlock_init]))
1088 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1089 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1090 [Have pthread_getspecific]))
1093 dnl Allow extra x86-disassembler library
1095 AS_HELP_STRING([--with-udis86=<path>],
1096 [Use udis86 external x86 disassembler library]),
1098 AC_SUBST(USE_UDIS86, [1])
1101 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1103 AC_CHECK_LIB(udis86, ud_init, [], [
1104 echo "Error! You need to have libudis86 around."
1108 AC_SUBST(USE_UDIS86, [0]))
1109 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1110 [Define if use udis86 library])
1112 dnl Allow OProfile support for JIT output.
1113 AC_ARG_WITH(oprofile,
1114 AS_HELP_STRING([--with-oprofile=<prefix>],
1115 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1117 AC_SUBST(USE_OPROFILE, [1])
1119 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1121 AC_SUBST(USE_OPROFILE, [0]) ;;
1122 *) llvm_cv_oppath="${withval}/lib/oprofile"
1123 CPPFLAGS="-I${withval}/include";;
1125 if test -n "$llvm_cv_oppath" ; then
1126 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1127 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1128 dnl libbfd is not included properly in libopagent in some Debian
1129 dnl versions. If libbfd isn't found at all, we assume opagent works
1131 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1132 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1133 echo "Error! You need to have libopagent around."
1136 AC_CHECK_HEADER([opagent.h], [], [
1137 echo "Error! You need to have opagent.h around."
1143 AC_SUBST(USE_OPROFILE, [0])
1145 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1146 [Define if we have the oprofile JIT-support library])
1148 dnl===-----------------------------------------------------------------------===
1150 dnl=== SECTION 6: Check for header files
1152 dnl===-----------------------------------------------------------------------===
1154 dnl First, use autoconf provided macros for specific headers that we need
1155 dnl We don't check for ancient stuff or things that are guaranteed to be there
1156 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1157 dnl Generally we're looking for POSIX headers.
1159 AC_HEADER_MMAP_ANONYMOUS
1164 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1165 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1166 AC_CHECK_HEADERS([utime.h windows.h])
1167 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1168 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1169 AC_CHECK_HEADERS([valgrind/valgrind.h])
1170 AC_CHECK_HEADERS([fenv.h])
1171 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1172 AC_CHECK_HEADERS(pthread.h,
1173 AC_SUBST(HAVE_PTHREAD, 1),
1174 AC_SUBST(HAVE_PTHREAD, 0))
1176 AC_SUBST(HAVE_PTHREAD, 0)
1179 dnl Try to find ffi.h.
1180 if test "$llvm_cv_enable_libffi" = "yes" ; then
1181 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1184 dnl Try to find Darwin specific crash reporting libraries.
1185 AC_CHECK_HEADERS([CrashReporterClient.h])
1187 dnl Try to find Darwin specific crash reporting global.
1188 AC_MSG_CHECKING([__crashreporter_info__])
1191 [[extern const char *__crashreporter_info__;
1193 __crashreporter_info__ = "test";
1198 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1200 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1201 Define if __crashreporter_info__ exists.))
1203 dnl===-----------------------------------------------------------------------===
1205 dnl=== SECTION 7: Check for types and structures
1207 dnl===-----------------------------------------------------------------------===
1212 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1214 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1215 AC_CHECK_TYPES([uint64_t],,
1216 AC_CHECK_TYPES([u_int64_t],,
1217 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1219 dnl===-----------------------------------------------------------------------===
1221 dnl=== SECTION 8: Check for specific functions needed
1223 dnl===-----------------------------------------------------------------------===
1225 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1226 AC_CHECK_FUNCS([powf fmodf strtof round ])
1227 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1228 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1229 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1230 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1231 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1232 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1236 dnl Check the declaration "Secure API" on Windows environments.
1237 AC_CHECK_DECLS([strerror_s])
1239 dnl Check symbols in libgcc.a for JIT on Mingw.
1240 if test "$llvm_cv_os_type" = "MingW" ; then
1241 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1242 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1243 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1244 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1246 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1247 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1248 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1249 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1250 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1251 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1252 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1253 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1254 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1255 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1257 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1258 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1261 dnl Check Win32 API EnumerateLoadedModules.
1262 if test "$llvm_cv_os_type" = "MingW" ; then
1263 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1264 AC_COMPILE_IFELSE([[#include <windows.h>
1265 #include <imagehlp.h>
1266 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1267 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1269 AC_MSG_RESULT([yes])
1270 llvm_cv_win32_elmcb_pcstr="PCSTR"
1274 llvm_cv_win32_elmcb_pcstr="PSTR"
1276 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1279 dnl Check for variations in the Standard C++ library and STL. These macros are
1280 dnl provided by LLVM in the autoconf/m4 directory.
1284 dnl Check for mmap support.We also need to know if /dev/zero is required to
1285 dnl be opened for allocating RWX memory.
1286 dnl Make sure we aren't attempting to configure for an unknown system
1287 if test "$llvm_cv_platform_type" = "Unix" ; then
1290 AC_NEED_DEV_ZERO_FOR_MMAP
1292 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1294 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1296 if test "$ac_cv_func_mmap_file" = "no"
1298 AC_MSG_WARN([mmap() of files required but not found])
1302 dnl atomic builtins are required for threading support.
1303 AC_MSG_CHECKING(for GCC atomic builtins)
1304 dnl Since we'll be using these atomic builtins in C++ files we should test
1305 dnl the C++ compiler.
1310 volatile unsigned long val = 1;
1311 __sync_synchronize();
1312 __sync_val_compare_and_swap(&val, 1, 0);
1313 __sync_add_and_fetch(&val, 1);
1314 __sync_sub_and_fetch(&val, 1);
1320 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1322 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1323 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1325 dnl===-----------------------------------------------------------------------===
1327 dnl=== SECTION 9: Additional checks, variables, etc.
1329 dnl===-----------------------------------------------------------------------===
1331 dnl Handle 32-bit linux systems running a 64-bit kernel.
1332 dnl This has to come after section 4 because it invokes the compiler.
1333 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1335 if test "$llvm_cv_linux_mixed" = "yes"; then
1336 llvm_cv_target_arch="x86"
1341 dnl Check whether __dso_handle is present
1342 AC_CHECK_FUNCS([__dso_handle])
1344 dnl Propagate the shared library extension that the libltdl checks did to
1345 dnl the Makefiles so we can use it there too
1346 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1348 dnl Propagate the run-time library path variable that the libltdl
1349 dnl checks found to the Makefiles so we can use it there too
1350 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1352 # Translate the various configuration directories and other basic
1353 # information into substitutions that will end up in Makefile.config.in
1354 # that these configured values can be used by the makefiles
1355 if test "${prefix}" = "NONE" ; then
1358 eval LLVM_PREFIX="${prefix}";
1359 eval LLVM_BINDIR="${prefix}/bin";
1360 eval LLVM_LIBDIR="${prefix}/lib";
1361 eval LLVM_DATADIR="${prefix}/share/llvm";
1362 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1363 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1364 eval LLVM_INCLUDEDIR="${prefix}/include";
1365 eval LLVM_INFODIR="${prefix}/info";
1366 eval LLVM_MANDIR="${prefix}/man";
1367 LLVM_CONFIGTIME=`date`
1368 AC_SUBST(LLVM_PREFIX)
1369 AC_SUBST(LLVM_BINDIR)
1370 AC_SUBST(LLVM_LIBDIR)
1371 AC_SUBST(LLVM_DATADIR)
1372 AC_SUBST(LLVM_DOCSDIR)
1373 AC_SUBST(LLVM_ETCDIR)
1374 AC_SUBST(LLVM_INCLUDEDIR)
1375 AC_SUBST(LLVM_INFODIR)
1376 AC_SUBST(LLVM_MANDIR)
1377 AC_SUBST(LLVM_CONFIGTIME)
1379 # Place the various directores into the config.h file as #defines so that we
1380 # can know about the installation paths within LLVM.
1381 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1382 [Installation prefix directory])
1383 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1384 [Installation directory for binary executables])
1385 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1386 [Installation directory for libraries])
1387 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1388 [Installation directory for data files])
1389 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1390 [Installation directory for documentation])
1391 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1392 [Installation directory for config files])
1393 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1394 [Installation directory for include files])
1395 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1396 [Installation directory for .info files])
1397 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1398 [Installation directory for man pages])
1399 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1400 [Time at which LLVM was configured])
1401 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1402 [Host triple we were built on])
1404 # Determine which bindings to build.
1405 if test "$BINDINGS_TO_BUILD" = auto ; then
1406 BINDINGS_TO_BUILD=""
1407 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1408 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1411 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1413 # This isn't really configurey, but it avoids having to repeat the list in
1415 AC_SUBST(ALL_BINDINGS,ocaml)
1417 # Do any work necessary to ensure that bindings have what they need.
1418 binding_prereqs_failed=0
1419 for a_binding in $BINDINGS_TO_BUILD ; do
1420 case "$a_binding" in
1422 if test "x$OCAMLC" = x ; then
1423 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1424 binding_prereqs_failed=1
1426 if test "x$OCAMLDEP" = x ; then
1427 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1428 binding_prereqs_failed=1
1430 if test "x$OCAMLOPT" = x ; then
1431 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1432 dnl ocamlopt is optional!
1434 if test "x$with_ocaml_libdir" != xauto ; then
1435 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1437 ocaml_stdlib="`"$OCAMLC" -where`"
1438 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1440 # ocaml stdlib is beneath our prefix; use stdlib
1441 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1443 # ocaml stdlib is outside our prefix; use libdir/ocaml
1444 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1450 if test "$binding_prereqs_failed" = 1 ; then
1451 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1454 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1455 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1457 dnl Determine linker rpath flag
1458 if test "$llvm_cv_link_use_r" = "yes" ; then
1465 dnl Determine linker rdynamic flag
1466 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1467 RDYNAMIC="-Wl,-export-dynamic"
1473 dnl===-----------------------------------------------------------------------===
1475 dnl=== SECTION 10: Specify the output files and generate it
1477 dnl===-----------------------------------------------------------------------===
1479 dnl **************************************************************************
1480 dnl End LLVM configure.ac Import
1481 dnl **************************************************************************
1483 dnl Configure a common Makefile
1484 AC_CONFIG_FILES(Makefile.common)
1485 AC_CONFIG_FILES(Makefile.llvm.config)
1487 dnl Configure project makefiles
1488 dnl List every Makefile that exists within your source tree
1489 AC_CONFIG_MAKEFILE(Makefile)
1490 AC_CONFIG_MAKEFILE(lib/Makefile)
1491 AC_CONFIG_MAKEFILE(lib/sample/Makefile)
1492 AC_CONFIG_MAKEFILE(tools/Makefile)
1493 AC_CONFIG_MAKEFILE(tools/sample/Makefile)
1495 dnl This must be last