1 dnl **************************************************************************
3 dnl **************************************************************************
4 AC_INIT([[[SAMPLE]]],[[[x.xx]]],[bugs@yourdomain])
6 dnl Identify where LLVM source tree is
10 dnl Find absolute paths to LLVM source and object trees
11 LLVM_ABS_SRC_ROOT="`cd $srcdir ; cd $LLVM_SRC_ROOT ; pwd`"
12 LLVM_ABS_OBJ_ROOT="`cd $LLVM_OBJ_ROOT ; pwd`"
14 dnl Tell autoconf that this is an LLVM project being configured
15 dnl This provides the --with-llvmsrc and --with-llvmobj options
16 LLVM_CONFIG_PROJECT($LLVM_ABS_SRC_ROOT,$LLVM_ABS_OBJ_ROOT)
18 dnl Try and find an llvm-config in the build directory. We are only using this
19 dnl to detect the package level LLVM information (currently just the version),
20 dnl so we just whatever one we find regardless of build mode.
21 AC_MSG_CHECKING([llvm-config])
22 llvm_config_path="`ls -1 $llvm_obj/*/bin/llvm-config 2> /dev/null | head -1`"
23 if ! test -f "$llvm_config_path" ; then
26 AC_MSG_RESULT([$llvm_config_path])
28 dnl Determine the LLVM version, which may be required by the current Makefile
30 AC_MSG_CHECKING([LLVM package version])
31 if test "$llvm_config_path" != no ; then
32 llvm_package_version=`$llvm_config_path --version`
34 llvm_package_version="unknown";
36 AC_MSG_RESULT([$llvm_package_version])
37 AC_SUBST(LLVM_VERSION, [$llvm_package_version])
39 dnl Verify that the source directory is valid
40 AC_CONFIG_SRCDIR(["Makefile.common.in"])
42 dnl Place all of the extra autoconf files into the config subdirectory. Tell
43 dnl various tools where the m4 autoconf macros are.
44 AC_CONFIG_AUX_DIR([autoconf])
46 dnl **************************************************************************
47 dnl Begin LLVM configure.ac Import
48 dnl **************************************************************************
50 dnl Derived from LLVM's configure.ac. This was imported directly here so that we
51 dnl could reuse LLVM's build infrastructure without introducing a direct source
52 dnl dependency on the LLVM files.
54 dnl We need to check for the compiler up here to avoid anything else
55 dnl starting with a different one.
56 AC_PROG_CC(clang llvm-gcc gcc)
57 AC_PROG_CXX(clang++ llvm-g++ g++)
60 dnl Configure all of the projects present in our source tree. While we could
61 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
62 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
63 dnl Instead we match on the known projects.
66 dnl One tricky part of doing this is that some projects depend upon other
67 dnl projects. For example, several projects rely upon the LLVM test suite.
68 dnl We want to configure those projects first so that their object trees are
69 dnl created before running the configure scripts of projects that depend upon
73 dnl Disable the build of polly, even if it is checked out into tools/polly.
75 AS_HELP_STRING([--enable-polly],
76 [Use polly if available (default is YES)]),,
79 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
80 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
81 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
82 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
86 dnl Check if polly is checked out into tools/polly and configure it if
88 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
89 AC_SUBST(LLVM_HAS_POLLY,1)
90 AC_CONFIG_SUBDIRS([tools/polly])
93 dnl===-----------------------------------------------------------------------===
95 dnl=== SECTION 2: Architecture, target, and host checks
97 dnl===-----------------------------------------------------------------------===
99 dnl Check the target for which we're compiling and the host that will do the
100 dnl compilations. This will tell us which LLVM compiler will be used for
101 dnl compiling SSA into object code. This needs to be done early because
102 dnl following tests depend on it.
105 dnl Determine the platform type and cache its value. This helps us configure
106 dnl the System library to the correct build platform.
107 AC_CACHE_CHECK([type of operating system we're going to host on],
111 llvm_cv_link_all_option="-Wl,--whole-archive"
112 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
113 llvm_cv_os_type="AIX"
114 llvm_cv_platform_type="Unix" ;;
116 llvm_cv_link_all_option="-Wl,--whole-archive"
117 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
118 llvm_cv_os_type="IRIX"
119 llvm_cv_platform_type="Unix" ;;
121 llvm_cv_link_all_option="-Wl,--whole-archive"
122 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
123 llvm_cv_os_type="Cygwin"
124 llvm_cv_platform_type="Unix" ;;
126 llvm_cv_link_all_option="-Wl,-all_load"
127 llvm_cv_no_link_all_option="-Wl,-noall_load"
128 llvm_cv_os_type="Darwin"
129 llvm_cv_platform_type="Unix" ;;
131 llvm_cv_link_all_option="-Wl,-all_load"
132 llvm_cv_no_link_all_option="-Wl,-noall_load"
133 llvm_cv_os_type="Minix"
134 llvm_cv_platform_type="Unix" ;;
136 llvm_cv_link_all_option="-Wl,--whole-archive"
137 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
138 llvm_cv_os_type="FreeBSD"
139 llvm_cv_platform_type="Unix" ;;
141 llvm_cv_link_all_option="-Wl,--whole-archive"
142 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
143 llvm_cv_os_type="OpenBSD"
144 llvm_cv_platform_type="Unix" ;;
146 llvm_cv_link_all_option="-Wl,--whole-archive"
147 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
148 llvm_cv_os_type="NetBSD"
149 llvm_cv_platform_type="Unix" ;;
151 llvm_cv_link_all_option="-Wl,--whole-archive"
152 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
153 llvm_cv_os_type="DragonFly"
154 llvm_cv_platform_type="Unix" ;;
156 llvm_cv_link_all_option="-Wl,--whole-archive"
157 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
158 llvm_cv_os_type="HP-UX"
159 llvm_cv_platform_type="Unix" ;;
161 llvm_cv_link_all_option="-Wl,--whole-archive"
162 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
163 llvm_cv_os_type="Interix"
164 llvm_cv_platform_type="Unix" ;;
166 llvm_cv_link_all_option="-Wl,--whole-archive"
167 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
168 llvm_cv_os_type="Linux"
169 llvm_cv_platform_type="Unix" ;;
171 llvm_cv_link_all_option="-Wl,-z,allextract"
172 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
173 llvm_cv_os_type="SunOS"
174 llvm_cv_platform_type="Unix" ;;
176 llvm_cv_link_all_option="-Wl,-z,allextract"
177 llvm_cv_link_all_option="-Wl,-z,defaultextract"
178 llvm_cv_os_type="AuroraUX"
179 llvm_cv_platform_type="Unix" ;;
181 llvm_cv_link_all_option="-Wl,--whole-archive"
182 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
183 llvm_cv_os_type="Win32"
184 llvm_cv_platform_type="Win32" ;;
186 llvm_cv_link_all_option="-Wl,--whole-archive"
187 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
188 llvm_cv_os_type="MingW"
189 llvm_cv_platform_type="Win32" ;;
191 llvm_cv_link_all_option="-Wl,--whole-archive"
192 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
193 llvm_cv_os_type="Haiku"
194 llvm_cv_platform_type="Unix" ;;
196 llvm_cv_link_all_option="-Wl,--whole-archive"
197 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
198 llvm_cv_os_type="Freestanding"
199 llvm_cv_platform_type="Unix" ;;
201 llvm_cv_link_all_option="-Wl,--whole-archive"
202 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
203 llvm_cv_os_type="Freestanding"
204 llvm_cv_platform_type="Unix" ;;
206 llvm_cv_link_all_option=""
207 llvm_cv_no_link_all_option=""
208 llvm_cv_os_type="Unknown"
209 llvm_cv_platform_type="Unknown" ;;
212 AC_CACHE_CHECK([type of operating system we're going to target],
213 [llvm_cv_target_os_type],
216 llvm_cv_target_os_type="AIX" ;;
218 llvm_cv_target_os_type="IRIX" ;;
220 llvm_cv_target_os_type="Cygwin" ;;
222 llvm_cv_target_os_type="Darwin" ;;
224 llvm_cv_target_os_type="Minix" ;;
226 llvm_cv_target_os_type="FreeBSD" ;;
228 llvm_cv_target_os_type="OpenBSD" ;;
230 llvm_cv_target_os_type="NetBSD" ;;
232 llvm_cv_target_os_type="DragonFly" ;;
234 llvm_cv_target_os_type="HP-UX" ;;
236 llvm_cv_target_os_type="Interix" ;;
238 llvm_cv_target_os_type="Linux" ;;
240 llvm_cv_target_os_type="SunOS" ;;
242 llvm_cv_target_os_type="AuroraUX" ;;
244 llvm_cv_target_os_type="Win32" ;;
246 llvm_cv_target_os_type="MingW" ;;
248 llvm_cv_target_os_type="Haiku" ;;
250 llvm_cv_target_os_type="RTEMS" ;;
252 llvm_cv_target_os_type="NativeClient" ;;
254 llvm_cv_target_os_type="Freestanding" ;;
256 llvm_cv_target_os_type="Unknown" ;;
259 dnl Make sure we aren't attempting to configure for an unknown system
260 if test "$llvm_cv_os_type" = "Unknown" ; then
261 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
264 dnl Set the "OS" Makefile variable based on the platform type so the
265 dnl makefile can configure itself to specific build hosts
266 AC_SUBST(OS,$llvm_cv_os_type)
267 AC_SUBST(HOST_OS,$llvm_cv_os_type)
268 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
270 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
271 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
272 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
274 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
275 dnl This is used by lib/Support to determine the basic kind of implementation
277 case $llvm_cv_platform_type in
279 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
280 AC_SUBST(LLVM_ON_UNIX,[1])
281 AC_SUBST(LLVM_ON_WIN32,[0])
284 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
285 AC_SUBST(LLVM_ON_UNIX,[0])
286 AC_SUBST(LLVM_ON_WIN32,[1])
290 dnl Determine what our target architecture is and configure accordingly.
291 dnl This will allow Makefiles to make a distinction between the hardware and
293 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
295 i?86-*) llvm_cv_target_arch="x86" ;;
296 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
297 sparc*-*) llvm_cv_target_arch="Sparc" ;;
298 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
299 arm*-*) llvm_cv_target_arch="ARM" ;;
300 mips-*) llvm_cv_target_arch="Mips" ;;
301 xcore-*) llvm_cv_target_arch="XCore" ;;
302 msp430-*) llvm_cv_target_arch="MSP430" ;;
303 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
304 ptx-*) llvm_cv_target_arch="PTX" ;;
305 *) llvm_cv_target_arch="Unknown" ;;
308 if test "$llvm_cv_target_arch" = "Unknown" ; then
309 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
312 # Determine the LLVM native architecture for the target
313 case "$llvm_cv_target_arch" in
314 x86) LLVM_NATIVE_ARCH="X86" ;;
315 x86_64) LLVM_NATIVE_ARCH="X86" ;;
316 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
319 dnl Define a substitution, ARCH, for the target architecture
320 AC_SUBST(ARCH,$llvm_cv_target_arch)
322 dnl Check for the endianness of the target
323 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
325 dnl Check for build platform executable suffix if we're crosscompiling
326 if test "$cross_compiling" = yes; then
327 AC_SUBST(LLVM_CROSS_COMPILING, [1])
329 ac_build_prefix=${build_alias}-
330 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
331 if test -z "$BUILD_CXX"; then
332 AC_CHECK_PROG(BUILD_CXX, g++, g++)
333 if test -z "$BUILD_CXX"; then
334 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
338 AC_SUBST(LLVM_CROSS_COMPILING, [0])
341 dnl Check to see if there's a .svn or .git directory indicating that this
342 dnl build is being done from a checkout. This sets up several defaults for
343 dnl the command line switches. When we build with a checkout directory,
344 dnl we get a debug with assertions turned on. Without, we assume a source
345 dnl release and we get an optimized build without assertions.
346 dnl See --enable-optimized and --enable-assertions below
347 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
350 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
356 dnl===-----------------------------------------------------------------------===
358 dnl=== SECTION 3: Command line arguments for the configure script.
360 dnl===-----------------------------------------------------------------------===
362 dnl --enable-optimized : check whether they want to do an optimized build:
363 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
364 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
365 if test ${enableval} = "no" ; then
366 AC_SUBST(ENABLE_OPTIMIZED,[[]])
368 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
371 dnl --enable-profiling : check whether they want to do a profile build:
372 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
373 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
374 if test ${enableval} = "no" ; then
375 AC_SUBST(ENABLE_PROFILING,[[]])
377 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
380 dnl --enable-assertions : check whether they want to turn on assertions or not:
381 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
382 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
383 if test ${enableval} = "yes" ; then
384 AC_SUBST(DISABLE_ASSERTIONS,[[]])
386 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
389 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
390 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
391 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
392 if test ${enableval} = "yes" ; then
393 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
394 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
396 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
397 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
400 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
401 AC_ARG_ENABLE(debug-runtime,
402 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
403 if test ${enableval} = "no" ; then
404 AC_SUBST(DEBUG_RUNTIME,[[]])
406 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
409 dnl --enable-debug-symbols : should even optimized compiler libraries
410 dnl have debug symbols?
411 AC_ARG_ENABLE(debug-symbols,
412 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)
413 if test ${enableval} = "no" ; then
414 AC_SUBST(DEBUG_SYMBOLS,[[]])
416 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
419 dnl --enable-jit: check whether they want to enable the jit
421 AS_HELP_STRING(--enable-jit,
422 [Enable Just In Time Compiling (default is YES)]),,
424 if test ${enableval} = "no"
428 case "$llvm_cv_target_arch" in
429 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
430 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
431 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
432 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
433 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
434 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
435 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
436 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
437 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
438 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
439 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
443 dnl Allow enablement of building and installing docs
445 AS_HELP_STRING([--enable-docs],
446 [Build documents (default is YES)]),,
449 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
450 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
451 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
452 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
455 dnl Allow enablement of doxygen generated documentation
456 AC_ARG_ENABLE(doxygen,
457 AS_HELP_STRING([--enable-doxygen],
458 [Build doxygen documentation (default is NO)]),,
461 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
462 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
463 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
464 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
467 dnl Allow disablement of threads
468 AC_ARG_ENABLE(threads,
469 AS_HELP_STRING([--enable-threads],
470 [Use threads if available (default is YES)]),,
473 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
474 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
475 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
476 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
478 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
480 dnl Allow disablement of pthread.h
481 AC_ARG_ENABLE(pthreads,
482 AS_HELP_STRING([--enable-pthreads],
483 [Use pthreads if available (default is YES)]),,
486 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
487 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
488 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
489 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
492 dnl Allow building without position independent code
494 AS_HELP_STRING([--enable-pic],
495 [Build LLVM with Position Independent Code (default is YES)]),,
498 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
499 no) AC_SUBST(ENABLE_PIC,[0]) ;;
500 default) AC_SUBST(ENABLE_PIC,[1]) ;;
501 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
503 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
504 [Define if position independent code is enabled])
506 dnl Allow building a shared library and linking tools against it.
507 AC_ARG_ENABLE(shared,
508 AS_HELP_STRING([--enable-shared],
509 [Build a shared library and link tools against it (default is NO)]),,
512 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
513 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
514 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
515 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
518 dnl Allow libstdc++ is embedded in LLVM.dll.
519 AC_ARG_ENABLE(embed-stdcxx,
520 AS_HELP_STRING([--enable-embed-stdcxx],
521 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
524 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
525 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
526 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
527 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
530 dnl Enable embedding timestamp information into build.
531 AC_ARG_ENABLE(timestamps,
532 AS_HELP_STRING([--enable-timestamps],
533 [Enable embedding timestamp information in build (default is YES)]),,
536 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
537 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
538 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
539 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
541 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
542 [Define if timestamp information (e.g., __DATE___) is allowed])
544 dnl Allow specific targets to be specified for building (or not)
546 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
547 [Build specific host targets: all or target1,target2,... Valid targets are:
548 host, x86, x86_64, sparc, powerpc, arm, mips, spu,
549 xcore, msp430, ptx, cbe, and cpp (default=all)]),,
551 if test "$enableval" = host-only ; then
555 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CBackend CppBackend MBlaze PTX" ;;
556 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
558 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
559 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
560 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
561 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
562 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
563 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
564 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
565 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
566 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
567 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
568 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
569 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
570 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
571 host) case "$llvm_cv_target_arch" in
572 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
573 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
574 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
575 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
576 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
577 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
578 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
579 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
580 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
581 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
582 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
583 *) AC_MSG_ERROR([Can not set target to build]) ;;
585 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
590 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
592 # Determine whether we are building LLVM support for the native architecture.
593 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
594 for a_target in $TARGETS_TO_BUILD; do
595 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
596 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
597 [LLVM architecture name for the native architecture, if available])
598 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
599 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
600 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
601 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
602 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
603 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
605 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
606 [LLVM name for the native Target init function, if available])
607 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
608 [LLVM name for the native TargetInfo init function, if available])
609 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
610 [LLVM name for the native target MC init function, if available])
611 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
612 [LLVM name for the native AsmPrinter init function, if available])
613 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
614 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
615 [LLVM name for the native AsmParser init function, if available])
620 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
621 # target feature def files.
623 LLVM_ENUM_ASM_PRINTERS=""
624 LLVM_ENUM_ASM_PARSERS=""
625 LLVM_ENUM_DISASSEMBLERS=""
626 for target_to_build in $TARGETS_TO_BUILD; do
627 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
628 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
629 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
631 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
632 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
634 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
635 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
638 AC_SUBST(LLVM_ENUM_TARGETS)
639 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
640 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
641 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
643 dnl Prevent the CBackend from using printf("%a") for floating point so older
644 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
645 dnl can still compile the CBE's output
646 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
647 [Enable C Backend output with hex floating point via %a (default is YES)]),,
650 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
651 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
652 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
653 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
655 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
656 [Define if CBE is enabled for printf %a output])
658 dnl Override the option to use for optimized builds.
659 AC_ARG_WITH(optimize-option,
660 AS_HELP_STRING([--with-optimize-option],
661 [Select the compiler options to use for optimized builds]),,
663 AC_MSG_CHECKING([optimization flags])
666 case "$llvm_cv_os_type" in
667 FreeBSD) optimize_option=-O2 ;;
668 MingW) optimize_option=-O2 ;;
669 *) optimize_option=-O3 ;;
671 *) optimize_option="$withval" ;;
673 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
674 AC_MSG_RESULT([$optimize_option])
676 dnl Specify extra build options
677 AC_ARG_WITH(extra-options,
678 AS_HELP_STRING([--with-extra-options],
679 [Specify additional options to compile LLVM with]),,
682 default) EXTRA_OPTIONS= ;;
683 *) EXTRA_OPTIONS=$withval ;;
685 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
687 dnl Specify extra linker build options
688 AC_ARG_WITH(extra-ld-options,
689 AS_HELP_STRING([--with-extra-ld-options],
690 [Specify additional options to link LLVM with]),,
693 default) EXTRA_LD_OPTIONS= ;;
694 *) EXTRA_LD_OPTIONS=$withval ;;
696 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
698 dnl Allow specific bindings to be specified for building (or not)
699 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
700 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
704 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
705 all ) BINDINGS_TO_BUILD="ocaml" ;;
706 none | no) BINDINGS_TO_BUILD="" ;;
707 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
709 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
710 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
716 dnl Allow the ocaml libdir to be overridden. This could go in a configure
717 dnl script for bindings/ocaml/configure, except that its auto value depends on
718 dnl OCAMLC, which is found here to support tests.
719 AC_ARG_WITH([ocaml-libdir],
720 [AS_HELP_STRING([--with-ocaml-libdir],
721 [Specify install location for ocaml bindings (default is stdlib)])],
725 auto) with_ocaml_libdir="$withval" ;;
726 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
727 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
730 AC_ARG_WITH(clang-resource-dir,
731 AS_HELP_STRING([--with-clang-resource-dir],
732 [Relative directory from the Clang binary for resource files]),,
734 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
735 [Relative directory for resource files])
737 AC_ARG_WITH(c-include-dirs,
738 AS_HELP_STRING([--with-c-include-dirs],
739 [Colon separated list of directories clang will search for headers]),,
741 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
742 [Directories clang will search for headers])
744 AC_ARG_WITH(cxx-include-root,
745 AS_HELP_STRING([--with-cxx-include-root],
746 [Directory with the libstdc++ headers.]),,
748 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
749 [Directory with the libstdc++ headers.])
751 AC_ARG_WITH(cxx-include-arch,
752 AS_HELP_STRING([--with-cxx-include-arch],
753 [Architecture of the libstdc++ headers.]),,
755 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
756 [Arch the libstdc++ headers.])
758 AC_ARG_WITH(cxx-include-32bit-dir,
759 AS_HELP_STRING([--with-cxx-include-32bit-dir],
760 [32 bit multilib dir.]),,
762 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
763 [32 bit multilib directory.])
765 AC_ARG_WITH(cxx-include-64bit-dir,
766 AS_HELP_STRING([--with-cxx-include-64bit-dir],
767 [64 bit multilib directory.]),,
769 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
770 [64 bit multilib directory.])
772 dnl Allow linking of LLVM with GPLv3 binutils code.
773 AC_ARG_WITH(binutils-include,
774 AS_HELP_STRING([--with-binutils-include],
775 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
778 default) WITH_BINUTILS_INCDIR=default ;;
779 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
780 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
782 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
783 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
784 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
785 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
786 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
790 dnl Specify the URL where bug reports should be submitted.
791 AC_ARG_WITH(bug-report-url,
792 AS_HELP_STRING([--with-bug-report-url],
793 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
794 withval="http://llvm.org/bugs/")
795 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
798 dnl --enable-libffi : check whether the user wants to turn off libffi:
799 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
800 --enable-libffi,[Check for the presence of libffi (default is NO)]),
801 [case "$enableval" in
802 yes) llvm_cv_enable_libffi="yes" ;;
803 no) llvm_cv_enable_libffi="no" ;;
804 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
806 llvm_cv_enable_libffi=no)
808 dnl===-----------------------------------------------------------------------===
810 dnl=== SECTION 4: Check for programs we need and that they are the right version
812 dnl===-----------------------------------------------------------------------===
817 dnl Check for the tools that the makefiles require
820 AC_PATH_PROG(CMP, [cmp], [cmp])
821 AC_PATH_PROG(CP, [cp], [cp])
822 AC_PATH_PROG(DATE, [date], [date])
823 AC_PATH_PROG(FIND, [find], [find])
824 AC_PATH_PROG(GREP, [grep], [grep])
825 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
826 AC_PATH_PROG(MV, [mv], [mv])
828 AC_CHECK_TOOL(AR, ar, false)
829 AC_PATH_PROG(RM, [rm], [rm])
830 AC_PATH_PROG(SED, [sed], [sed])
831 AC_PATH_PROG(TAR, [tar], [gtar])
832 AC_PATH_PROG(BINPWD,[pwd], [pwd])
834 dnl Looking for misc. graph plotting software
835 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
836 if test "$GRAPHVIZ" != "echo Graphviz" ; then
837 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
838 dnl If we're targeting for mingw we should emit windows paths, not msys
839 if test "$llvm_cv_os_type" = "MingW" ; then
840 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
842 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
843 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
845 AC_PATH_PROG(DOT, [dot], [echo dot])
846 if test "$DOT" != "echo dot" ; then
847 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
848 dnl If we're targeting for mingw we should emit windows paths, not msys
849 if test "$llvm_cv_os_type" = "MingW" ; then
850 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
852 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
853 [Define to path to dot program if found or 'echo dot' otherwise])
855 AC_PATH_PROG(FDP, [fdp], [echo fdp])
856 if test "$FDP" != "echo fdp" ; then
857 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
858 dnl If we're targeting for mingw we should emit windows paths, not msys
859 if test "$llvm_cv_os_type" = "MingW" ; then
860 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
862 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
863 [Define to path to fdp program if found or 'echo fdp' otherwise])
865 AC_PATH_PROG(NEATO, [neato], [echo neato])
866 if test "$NEATO" != "echo neato" ; then
867 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
868 dnl If we're targeting for mingw we should emit windows paths, not msys
869 if test "$llvm_cv_os_type" = "MingW" ; then
870 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
872 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
873 [Define to path to neato program if found or 'echo neato' otherwise])
875 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
876 if test "$TWOPI" != "echo twopi" ; then
877 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
878 dnl If we're targeting for mingw we should emit windows paths, not msys
879 if test "$llvm_cv_os_type" = "MingW" ; then
880 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
882 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
883 [Define to path to twopi program if found or 'echo twopi' otherwise])
885 AC_PATH_PROG(CIRCO, [circo], [echo circo])
886 if test "$CIRCO" != "echo circo" ; then
887 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
888 dnl If we're targeting for mingw we should emit windows paths, not msys
889 if test "$llvm_cv_os_type" = "MingW" ; then
890 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
892 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
893 [Define to path to circo program if found or 'echo circo' otherwise])
895 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
896 if test "$GV" != "echo gv" ; then
897 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
898 dnl If we're targeting for mingw we should emit windows paths, not msys
899 if test "$llvm_cv_os_type" = "MingW" ; then
900 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
902 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
903 [Define to path to gv program if found or 'echo gv' otherwise])
905 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
906 if test "$DOTTY" != "echo dotty" ; then
907 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
908 dnl If we're targeting for mingw we should emit windows paths, not msys
909 if test "$llvm_cv_os_type" = "MingW" ; then
910 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
912 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
913 [Define to path to dotty program if found or 'echo dotty' otherwise])
915 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
916 if test "$XDOT_PY" != "echo xdot.py" ; then
917 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
918 dnl If we're targeting for mingw we should emit windows paths, not msys
919 if test "$llvm_cv_os_type" = "MingW" ; then
920 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
922 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
923 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
926 dnl Look for a sufficiently recent version of Perl.
927 LLVM_PROG_PERL([5.006])
929 if test x"$PERL" = xnone; then
930 AC_SUBST(HAVE_PERL,0)
931 AC_MSG_ERROR([perl is required but was not found, please install it])
933 AC_SUBST(HAVE_PERL,1)
936 dnl Find the install program
938 dnl Prepend src dir to install path dir if it's a relative path
939 dnl This is a hack for installs that take place in something other
940 dnl than the top level.
942 [[\\/$]]* | ?:[[\\/]]* ) ;;
943 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
946 dnl Checks for documentation and testing tools that we can do without. If these
947 dnl are not found then they are set to "true" which always succeeds but does
948 dnl nothing. This just lets the build output show that we could have done
949 dnl something if the tool was available.
950 AC_PATH_PROG(BZIP2, [bzip2])
951 AC_PATH_PROG(CAT, [cat])
952 AC_PATH_PROG(DOXYGEN, [doxygen])
953 AC_PATH_PROG(GROFF, [groff])
954 AC_PATH_PROG(GZIPBIN, [gzip])
955 AC_PATH_PROG(POD2HTML, [pod2html])
956 AC_PATH_PROG(POD2MAN, [pod2man])
957 AC_PATH_PROG(PDFROFF, [pdfroff])
958 AC_PATH_PROG(RUNTEST, [runtest])
960 AC_PATH_PROG(ZIP, [zip])
961 AC_PATH_PROGS(OCAMLC, [ocamlc])
962 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
963 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
964 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
965 AC_PATH_PROGS(GAS, [gas as])
967 dnl Get the version of the linker in use.
970 dnl Determine whether the linker supports the -R option.
973 dnl Determine whether the linker supports the -export-dynamic option.
974 AC_LINK_EXPORT_DYNAMIC
976 dnl Determine whether the linker supports the --version-script option.
977 AC_LINK_VERSION_SCRIPT
979 dnl Check for libtool and the library that has dlopen function (which must come
980 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
985 AC_MSG_CHECKING([tool compatibility])
987 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
988 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
989 dnl to support those options.
990 dnl "icc" emits gcc signatures
991 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1003 if test "$GCC" != "yes" && test "$ICC" != "yes"
1005 AC_MSG_ERROR([gcc|icc required but not found])
1008 dnl Ensure that compilation tools are compatible with GCC extensions
1009 if test "$GXX" != "yes" && test "$IXX" != "yes"
1011 AC_MSG_ERROR([g++|clang++|icc required but not found])
1014 dnl Verify that GCC is version 3.0 or higher
1015 if test "$GCC" = "yes"
1017 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1018 #error Unsupported GCC version
1020 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1023 dnl Check for GNU Make. We use its extensions, so don't build without it
1024 if test -z "$llvm_cv_gnu_make_command"
1026 AC_MSG_ERROR([GNU Make required but not found])
1029 dnl Tool compatibility is okay if we make it here.
1032 dnl Check optional compiler flags.
1033 AC_MSG_CHECKING([optional compiler flags])
1034 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1035 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1036 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1038 dnl===-----------------------------------------------------------------------===
1040 dnl=== SECTION 5: Check for libraries
1042 dnl===-----------------------------------------------------------------------===
1045 if test "$llvm_cv_os_type" = "MingW" ; then
1046 AC_CHECK_LIB(imagehlp, main)
1047 AC_CHECK_LIB(psapi, main)
1050 dnl dlopen() is required for plugin support.
1051 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1052 [Define if dlopen() is available on this platform.]),
1053 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1055 dnl libffi is optional; used to call external functions from the interpreter
1056 if test "$llvm_cv_enable_libffi" = "yes" ; then
1057 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1058 [Define if libffi is available on this platform.]),
1059 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1062 dnl mallinfo is optional; the code can compile (minus features) without it
1063 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1064 [Define if mallinfo() is available on this platform.]))
1066 dnl pthread locking functions are optional - but llvm will not be thread-safe
1068 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1069 AC_CHECK_LIB(pthread, pthread_mutex_init)
1070 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1071 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1072 [Have pthread_mutex_lock]))
1073 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1074 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1075 [Have pthread_rwlock_init]))
1076 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1077 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1078 [Have pthread_getspecific]))
1081 dnl Allow extra x86-disassembler library
1083 AS_HELP_STRING([--with-udis86=<path>],
1084 [Use udis86 external x86 disassembler library]),
1086 AC_SUBST(USE_UDIS86, [1])
1089 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1091 AC_CHECK_LIB(udis86, ud_init, [], [
1092 echo "Error! You need to have libudis86 around."
1096 AC_SUBST(USE_UDIS86, [0]))
1097 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1098 [Define if use udis86 library])
1100 dnl Allow OProfile support for JIT output.
1101 AC_ARG_WITH(oprofile,
1102 AS_HELP_STRING([--with-oprofile=<prefix>],
1103 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1105 AC_SUBST(USE_OPROFILE, [1])
1107 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1109 AC_SUBST(USE_OPROFILE, [0]) ;;
1110 *) llvm_cv_oppath="${withval}/lib/oprofile"
1111 CPPFLAGS="-I${withval}/include";;
1113 if test -n "$llvm_cv_oppath" ; then
1114 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1115 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1116 dnl libbfd is not included properly in libopagent in some Debian
1117 dnl versions. If libbfd isn't found at all, we assume opagent works
1119 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1120 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1121 echo "Error! You need to have libopagent around."
1124 AC_CHECK_HEADER([opagent.h], [], [
1125 echo "Error! You need to have opagent.h around."
1131 AC_SUBST(USE_OPROFILE, [0])
1133 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1134 [Define if we have the oprofile JIT-support library])
1136 dnl===-----------------------------------------------------------------------===
1138 dnl=== SECTION 6: Check for header files
1140 dnl===-----------------------------------------------------------------------===
1142 dnl First, use autoconf provided macros for specific headers that we need
1143 dnl We don't check for ancient stuff or things that are guaranteed to be there
1144 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1145 dnl Generally we're looking for POSIX headers.
1147 AC_HEADER_MMAP_ANONYMOUS
1152 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1153 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1154 AC_CHECK_HEADERS([utime.h windows.h])
1155 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1156 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1157 AC_CHECK_HEADERS([valgrind/valgrind.h])
1158 AC_CHECK_HEADERS([fenv.h])
1159 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1160 AC_CHECK_HEADERS(pthread.h,
1161 AC_SUBST(HAVE_PTHREAD, 1),
1162 AC_SUBST(HAVE_PTHREAD, 0))
1164 AC_SUBST(HAVE_PTHREAD, 0)
1167 dnl Try to find ffi.h.
1168 if test "$llvm_cv_enable_libffi" = "yes" ; then
1169 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1172 dnl Try to find Darwin specific crash reporting libraries.
1173 AC_CHECK_HEADERS([CrashReporterClient.h])
1175 dnl Try to find Darwin specific crash reporting global.
1176 AC_MSG_CHECKING([__crashreporter_info__])
1179 [[extern const char *__crashreporter_info__;
1181 __crashreporter_info__ = "test";
1186 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1188 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1189 Define if __crashreporter_info__ exists.))
1191 dnl===-----------------------------------------------------------------------===
1193 dnl=== SECTION 7: Check for types and structures
1195 dnl===-----------------------------------------------------------------------===
1200 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1202 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1203 AC_CHECK_TYPES([uint64_t],,
1204 AC_CHECK_TYPES([u_int64_t],,
1205 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1207 dnl===-----------------------------------------------------------------------===
1209 dnl=== SECTION 8: Check for specific functions needed
1211 dnl===-----------------------------------------------------------------------===
1213 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1214 AC_CHECK_FUNCS([powf fmodf strtof round ])
1215 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1216 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1217 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1218 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1219 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1220 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1224 dnl Check the declaration "Secure API" on Windows environments.
1225 AC_CHECK_DECLS([strerror_s])
1227 dnl Check symbols in libgcc.a for JIT on Mingw.
1228 if test "$llvm_cv_os_type" = "MingW" ; then
1229 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1230 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1231 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1232 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1234 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1235 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1236 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1237 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1238 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1239 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1240 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1241 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1242 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1243 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1245 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1246 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1249 dnl Check Win32 API EnumerateLoadedModules.
1250 if test "$llvm_cv_os_type" = "MingW" ; then
1251 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1252 AC_COMPILE_IFELSE([[#include <windows.h>
1253 #include <imagehlp.h>
1254 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1255 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1257 AC_MSG_RESULT([yes])
1258 llvm_cv_win32_elmcb_pcstr="PCSTR"
1262 llvm_cv_win32_elmcb_pcstr="PSTR"
1264 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1267 dnl Check for variations in the Standard C++ library and STL. These macros are
1268 dnl provided by LLVM in the autoconf/m4 directory.
1272 dnl Check for mmap support.We also need to know if /dev/zero is required to
1273 dnl be opened for allocating RWX memory.
1274 dnl Make sure we aren't attempting to configure for an unknown system
1275 if test "$llvm_cv_platform_type" = "Unix" ; then
1278 AC_NEED_DEV_ZERO_FOR_MMAP
1280 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1282 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1284 if test "$ac_cv_func_mmap_file" = "no"
1286 AC_MSG_WARN([mmap() of files required but not found])
1290 dnl atomic builtins are required for threading support.
1291 AC_MSG_CHECKING(for GCC atomic builtins)
1292 dnl Since we'll be using these atomic builtins in C++ files we should test
1293 dnl the C++ compiler.
1298 volatile unsigned long val = 1;
1299 __sync_synchronize();
1300 __sync_val_compare_and_swap(&val, 1, 0);
1301 __sync_add_and_fetch(&val, 1);
1302 __sync_sub_and_fetch(&val, 1);
1308 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1310 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1311 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1313 dnl===-----------------------------------------------------------------------===
1315 dnl=== SECTION 9: Additional checks, variables, etc.
1317 dnl===-----------------------------------------------------------------------===
1319 dnl Handle 32-bit linux systems running a 64-bit kernel.
1320 dnl This has to come after section 4 because it invokes the compiler.
1321 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1323 if test "$llvm_cv_linux_mixed" = "yes"; then
1324 llvm_cv_target_arch="x86"
1329 dnl Check whether __dso_handle is present
1330 AC_CHECK_FUNCS([__dso_handle])
1332 dnl Propagate the shared library extension that the libltdl checks did to
1333 dnl the Makefiles so we can use it there too
1334 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1336 dnl Propagate the run-time library path variable that the libltdl
1337 dnl checks found to the Makefiles so we can use it there too
1338 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1340 # Translate the various configuration directories and other basic
1341 # information into substitutions that will end up in Makefile.config.in
1342 # that these configured values can be used by the makefiles
1343 if test "${prefix}" = "NONE" ; then
1346 eval LLVM_PREFIX="${prefix}";
1347 eval LLVM_BINDIR="${prefix}/bin";
1348 eval LLVM_LIBDIR="${prefix}/lib";
1349 eval LLVM_DATADIR="${prefix}/share/llvm";
1350 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1351 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1352 eval LLVM_INCLUDEDIR="${prefix}/include";
1353 eval LLVM_INFODIR="${prefix}/info";
1354 eval LLVM_MANDIR="${prefix}/man";
1355 LLVM_CONFIGTIME=`date`
1356 AC_SUBST(LLVM_PREFIX)
1357 AC_SUBST(LLVM_BINDIR)
1358 AC_SUBST(LLVM_LIBDIR)
1359 AC_SUBST(LLVM_DATADIR)
1360 AC_SUBST(LLVM_DOCSDIR)
1361 AC_SUBST(LLVM_ETCDIR)
1362 AC_SUBST(LLVM_INCLUDEDIR)
1363 AC_SUBST(LLVM_INFODIR)
1364 AC_SUBST(LLVM_MANDIR)
1365 AC_SUBST(LLVM_CONFIGTIME)
1367 # Place the various directores into the config.h file as #defines so that we
1368 # can know about the installation paths within LLVM.
1369 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1370 [Installation prefix directory])
1371 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1372 [Installation directory for binary executables])
1373 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1374 [Installation directory for libraries])
1375 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1376 [Installation directory for data files])
1377 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1378 [Installation directory for documentation])
1379 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1380 [Installation directory for config files])
1381 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1382 [Installation directory for include files])
1383 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1384 [Installation directory for .info files])
1385 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1386 [Installation directory for man pages])
1387 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1388 [Time at which LLVM was configured])
1389 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1390 [Target triple LLVM will generate code for by default])
1392 # Determine which bindings to build.
1393 if test "$BINDINGS_TO_BUILD" = auto ; then
1394 BINDINGS_TO_BUILD=""
1395 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1396 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1399 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1401 # This isn't really configurey, but it avoids having to repeat the list in
1403 AC_SUBST(ALL_BINDINGS,ocaml)
1405 # Do any work necessary to ensure that bindings have what they need.
1406 binding_prereqs_failed=0
1407 for a_binding in $BINDINGS_TO_BUILD ; do
1408 case "$a_binding" in
1410 if test "x$OCAMLC" = x ; then
1411 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1412 binding_prereqs_failed=1
1414 if test "x$OCAMLDEP" = x ; then
1415 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1416 binding_prereqs_failed=1
1418 if test "x$OCAMLOPT" = x ; then
1419 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1420 dnl ocamlopt is optional!
1422 if test "x$with_ocaml_libdir" != xauto ; then
1423 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1425 ocaml_stdlib="`"$OCAMLC" -where`"
1426 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1428 # ocaml stdlib is beneath our prefix; use stdlib
1429 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1431 # ocaml stdlib is outside our prefix; use libdir/ocaml
1432 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1438 if test "$binding_prereqs_failed" = 1 ; then
1439 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1442 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1443 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1445 dnl Determine linker rpath flag
1446 if test "$llvm_cv_link_use_r" = "yes" ; then
1453 dnl Determine linker rdynamic flag
1454 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1455 RDYNAMIC="-Wl,-export-dynamic"
1461 dnl===-----------------------------------------------------------------------===
1463 dnl=== SECTION 10: Specify the output files and generate it
1465 dnl===-----------------------------------------------------------------------===
1467 dnl **************************************************************************
1468 dnl End LLVM configure.ac Import
1469 dnl **************************************************************************
1471 dnl Configure a common Makefile
1472 AC_CONFIG_FILES(Makefile.common)
1473 AC_CONFIG_FILES(Makefile.llvm.config)
1475 dnl Configure project makefiles
1476 dnl List every Makefile that exists within your source tree
1477 AC_CONFIG_MAKEFILE(Makefile)
1478 AC_CONFIG_MAKEFILE(lib/Makefile)
1479 AC_CONFIG_MAKEFILE(lib/sample/Makefile)
1480 AC_CONFIG_MAKEFILE(tools/Makefile)
1481 AC_CONFIG_MAKEFILE(tools/sample/Makefile)
1483 dnl This must be last