1 dnl === configure.ac --------------------------------------------------------===
2 dnl The LLVM Compiler Infrastructure
4 dnl This file was developed by the LLVM research group and is distributed under
5 dnl the University of Illinois Open Source License. See LICENSE.TXT for details.
7 dnl===-----------------------------------------------------------------------===
8 dnl This is the LLVM configuration script. It is processed by the autoconf
9 dnl program to produce a script named configure. This script contains the
10 dnl configuration checks that LLVM needs in order to support multiple platforms.
11 dnl This file is composed of 10 sections per the recommended organization of
12 dnl autoconf input defined in the autoconf documentation. As this file evolves,
13 dnl please keep the various types of checks within their sections. The sections
16 dnl SECTION 1: Initialization & Setup
17 dnl SECTION 2: Architecture, target, and host checks
18 dnl SECTION 3: Command line arguments for the configure script.
19 dnl SECTION 4: Check for programs we need and that they are the right version
20 dnl SECTION 5: Check for libraries
21 dnl SECTION 6: Check for header files
22 dnl SECTION 7: Check for types and structures
23 dnl SECTION 8: Check for specific functions needed
24 dnl SECTION 9: Additional checks, variables, etc.
25 dnl SECTION 10: Specify the output files and generate it
27 dnl===-----------------------------------------------------------------------===
29 dnl=== SECTION 1: Initialization & Setup
31 dnl===-----------------------------------------------------------------------===
32 dnl Initialize autoconf and define the package name, version number and
33 dnl email address for reporting bugs.
34 AC_INIT([[llvm]],[[1.7cvs]],[llvmbugs@cs.uiuc.edu])
36 dnl Provide a copyright substitution and ensure the copyright notice is included
37 dnl in the output of --version option of the generated configure script.
38 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2005 University of Illinois at Urbana-Champaign."])
39 AC_COPYRIGHT([Copyright (c) 2003-2005 University of Illinois at Urbana-Champaign.])
41 dnl Indicate that we require autoconf 2.59 or later. Ths is needed because we
42 dnl use some autoconf macros only available in 2.59.
45 dnl Verify that the source directory is valid. This makes sure that we are
46 dnl configuring LLVM and not some other package (it validates --srcdir argument)
47 AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp])
49 dnl Place all of the extra autoconf files into the config subdirectory. Tell
50 dnl various tools where the m4 autoconf macros are.
51 AC_CONFIG_AUX_DIR([autoconf])
53 dnl Quit if the source directory has already been configured.
54 dnl NOTE: This relies upon undocumented autoconf behavior.
55 if test ${srcdir} != "." ; then
56 if test -f ${srcdir}/include/llvm/Config/config.h ; then
57 AC_MSG_ERROR([Already configured in ${srcdir}])
61 dnl Configure all of the projects present in our source tree. While we could
62 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
63 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
64 dnl Instead we match on the known projects.
65 for i in `ls ${srcdir}/projects`
67 if test -d ${srcdir}/projects/${i} ; then
70 "sample") AC_CONFIG_SUBDIRS([projects/sample]) ;;
71 "Stacker") AC_CONFIG_SUBDIRS([projects/Stacker]) ;;
72 "llvm-test") AC_CONFIG_SUBDIRS([projects/llvm-test]) ;;
73 "llvm-reopt") AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
74 "llvm-gcc") AC_CONFIG_SUBDIRS([projects/llvm-gcc]) ;;
75 "llvm-java") AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
76 "llvm-tv") AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
77 "llvm-poolalloc") AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) ;;
78 "llvm-kernel") AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
80 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
86 dnl===-----------------------------------------------------------------------===
88 dnl=== SECTION 2: Architecture, target, and host checks
90 dnl===-----------------------------------------------------------------------===
92 dnl Check the target for which we're compiling and the host that will do the
93 dnl compilations. This will tell us which LLVM compiler will be used for
94 dnl compiling SSA into object code. This needs to be done early because
95 dnl following tests depend on it.
98 dnl Determine the platform type and cache its value. This helps us configure
99 dnl the System library to the correct build platform.
100 AC_CACHE_CHECK([type of operating system we're on],
104 llvm_cv_os_type="AIX"
105 llvm_cv_platform_type="Unix" ;;
107 llvm_cv_os_type="Cygwin"
108 llvm_cv_platform_type="Unix" ;;
110 llvm_cv_os_type="Darwin"
111 llvm_cv_platform_type="Unix" ;;
113 llvm_cv_os_type="FreeBSD"
114 llvm_cv_platform_type="Unix" ;;
116 llvm_cv_os_type="HP-UX"
117 llvm_cv_platform_type="Unix" ;;
119 llvm_cv_os_type="Interix"
120 llvm_cv_platform_type="Unix" ;;
122 llvm_cv_os_type="Linux"
123 llvm_cv_platform_type="Unix" ;;
125 llvm_cv_os_type="SunOS"
126 llvm_cv_platform_type="Unix" ;;
128 llvm_cv_os_type="Win32"
129 llvm_cv_platform_type="Win32" ;;
131 llvm_cv_os_type="MingW"
132 llvm_cv_platform_type="Win32" ;;
134 llvm_cv_os_type="Unknown"
135 llvm_cv_platform_type="Unknown" ;;
138 dnl Make sure we aren't attempting to configure for an unknown system
139 if test "$llvm_cv_os_type" = "Unknown" ; then
140 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
143 dnl Set the "OS" Makefile variable based on the platform type so the
144 dnl makefile can configure itself to specific build hosts
145 AC_SUBST(OS,$llvm_cv_os_type)
147 dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type
148 dnl This is used by lib/System to determine the basic kind of implementation
150 case $llvm_cv_platform_type in
152 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
153 AC_SUBST(LLVM_ON_UNIX,[1])
154 AC_SUBST(LLVM_ON_WIN32,[0])
157 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
158 AC_SUBST(LLVM_ON_UNIX,[0])
159 AC_SUBST(LLVM_ON_WIN32,[1])
163 dnl Determine what our target architecture is and configure accordingly.
164 dnl This will allow Makefiles to make a distinction between the hardware and
166 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
168 i?86-*) llvm_cv_target_arch="x86" ;;
169 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
170 sparc*-*) llvm_cv_target_arch="Sparc" ;;
171 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
172 alpha*-*) llvm_cv_target_arch="Alpha" ;;
173 ia64-*) llvm_cv_target_arch="IA64" ;;
174 *) llvm_cv_target_arch="Unknown" ;;
177 if test "$llvm_cv_target_arch" = "Unknown" ; then
178 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
181 dnl Define a substitution, ARCH, for the target architecture
182 AC_SUBST(ARCH,$llvm_cv_target_arch)
184 dnl Check for the endianness of the target
185 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
187 dnl===-----------------------------------------------------------------------===
189 dnl=== SECTION 3: Command line arguments for the configure script.
191 dnl===-----------------------------------------------------------------------===
193 dnl --enable-optimized : check whether they want to do an optimized build:
194 AC_ARG_ENABLE(optimized,
195 AS_HELP_STRING([--enable-optimized,Compile with optimizations enabled (default is NO)]),,enableval=no)
196 if test ${enableval} = "no" ; then
197 AC_SUBST(ENABLE_OPTIMIZED,[[]])
199 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
202 dnl --enable-jit: check whether they want to enable the jit
204 AS_HELP_STRING(--enable-jit,
205 [Enable Just In Time Compiling (default is YES)]),,
207 if test ${enableval} = "no"
211 case "$llvm_cv_target_arch" in
212 x86) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;;
213 Sparc) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;;
214 PowerPC) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;;
215 x86_64) AC_SUBST(JIT,[[]]) ;;
216 Alpha) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;;
217 IA64) AC_SUBST(JIT,[[]]) ;;
218 *) AC_SUBST(JIT,[[]]) ;;
222 dnl Allow enablement of doxygen generated documentation
223 AC_ARG_ENABLE(doxygen,
224 AS_HELP_STRING([--enable-doxygen],
225 [Build doxygen documentation (default is NO)]),,
228 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
229 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
230 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
231 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
234 dnl Allow disablement of threads
235 AC_ARG_ENABLE(threads,
236 AS_HELP_STRING([--enable-threads],
237 [Use threads if available (default is YES)]),,
240 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
241 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
242 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
244 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
246 dnl Allow specific targets to be specified for building (or not)
248 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-target],
249 [Build specific host targets: all,host-only,{target-name} (default=all)]),,
252 all) TARGETS_TO_BUILD="X86 SparcV8 SparcV9 PowerPC Alpha IA64 Skeleton" ;;
254 case "$llvm_cv_target_arch" in
255 x86) TARGETS_TO_BUILD="X86" ;;
256 x86_64) TARGETS_TO_BUILD="X86" ;;
257 Sparc) TARGETS_TO_BUILD="SparcV8 SparcV9" ;;
258 PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
259 Alpha) TARGETS_TO_BUILD="Alpha" ;;
260 IA64) TARGETS_TO_BUILD="IA64" ;;
261 *) AC_MSG_ERROR([Can not set target to build]) ;;
264 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
266 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
267 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
268 sparc) TARGETS_TO_BUILD="SparcV8 SparcV9 $TARGETS_TO_BUILD" ;;
269 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
270 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
271 ia64) TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;;
272 skeleton)TARGETS_TO_BUILD="Skeleton $TARGETS_TO_BUILD";;
273 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
278 TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD"
279 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
281 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
282 AC_ARG_WITH(llvmgccdir,
283 AS_HELP_STRING([--with-llvmgccdir],
284 [Specify location of llvm-gcc install dir (default searches PATH)]),,
287 default) WITH_LLVMGCCDIR=default ;;
288 /*) WITH_LLVMGCCDIR=$withval ;;
289 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
293 dnl===-----------------------------------------------------------------------===
295 dnl=== SECTION 4: Check for programs we need and that they are the right version
297 dnl===-----------------------------------------------------------------------===
299 dnl Check for compilation tools
306 dnl Check for the tools that the makefiles require
309 AC_PATH_PROG(CMP, [cmp], [cmp])
310 AC_PATH_PROG(CP, [cp], [cp])
311 AC_PATH_PROG(DATE, [date], [date])
312 AC_PATH_PROG(FIND, [find], [find])
313 AC_PATH_PROG(GREP, [grep], [grep])
314 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
315 AC_PATH_PROG(MV, [mv], [mv])
317 AC_PATH_PROG(RM, [rm], [rm])
318 AC_PATH_PROG(SED, [sed], [sed])
319 AC_PATH_PROG(TAR, [tar], [gtar])
320 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
321 if test "$GRAPHVIZ" != "echo Graphviz" ; then
322 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
323 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ",
324 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
326 AC_PATH_PROG(GV, [gv], [echo gv])
327 if test "$GV" != "echo gv" ; then
328 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
329 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV",
330 [Define to path to gv program if found or 'echo gv' otherwise])
333 dnl Find the install program
336 dnl Checks for documentation and testing tools that we can do without. If these
337 dnl are not found then they are set to "true" which always succeeds but does
338 dnl nothing. This just lets the build output show that we could have done
339 dnl something if the tool was available.
340 AC_PATH_PROG(BZIP2,[bzip2],[true bzip2])
341 AC_PATH_PROG(DOT,[dot],[true dot])
342 AC_PATH_PROG(DOXYGEN,[doxygen],[true doxygen])
343 AC_PATH_PROG(ETAGS,[etags],[true etags])
344 AC_PATH_PROG(GROFF,[groff],[true groff])
345 AC_PATH_PROG(GZIP,[gzip],[true gzip])
346 AC_PATH_PROG(POD2HTML,[pod2html],[true pod2html])
347 AC_PATH_PROG(POD2MAN,[pod2man],[true pod2man])
348 AC_PATH_PROG(RUNTEST,[runtest],[true runtest])
350 AC_PATH_PROG(ZIP,[zip],[true zip])
352 dnl Determine if the linker supports the -R option.
355 dnl Check for libtool and the library that has dlopen function (which must come
356 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
362 if test "$lt_cv_dlopen_self" = "yes" ; then
363 AC_DEFINE([CAN_DLOPEN_SELF],[1],
364 [Define if dlopen(0) will open the symbols of the program])
367 dnl Check if we know how to tell etags we are using C++:
368 etags_version=`$ETAGS --version 2>&1`
369 case "$etags_version" in
370 *[Ee]xuberant*) ETAGSFLAGS="--language-force=c++" ;;
371 *GNU\ Emacs*) ETAGSFLAGS="-l c++" ;;
374 AC_SUBST(ETAGSFLAGS,$ETAGSFLAGS)
376 if test "$WITH_LLVMGCCDIR" = "default" ; then
377 LLVMGCC="llvm-gcc${EXEEXT}"
378 LLVMGXX="llvm-g++${EXEEXT}"
379 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
380 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
382 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
383 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
384 AC_SUBST(LLVMGCC,$LLVMGCC)
385 AC_SUBST(LLVMGXX,$LLVMGXX)
388 AC_MSG_CHECKING([tool compatibility])
390 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
391 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
392 dnl to support those options.
393 dnl "icc" emits gcc signatures
394 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
406 if test "$GCC" != "yes" && test "$ICC" != "yes"
408 AC_MSG_ERROR([gcc|icc required but not found])
411 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
412 if test "$GXX" != "yes" && test "$IXX" != "yes"
414 AC_MSG_ERROR([g++|icc required but not found])
417 dnl Verify that GCC is version 3.0 or higher
418 if test "$GCC" = "yes"
420 gccmajor=`$CC --version | head -n 1 | sed 's/[[^0-9]]*\([[0-9.]]\).*/\1/'`
421 if test "$gccmajor" -lt "3"
423 AC_MSG_ERROR([gcc 3.x required, but you have a lower version])
427 dnl Check for GNU Make. We use its extensions, so don't build without it
428 if test -z "$llvm_cv_gnu_make_command"
430 AC_MSG_ERROR([GNU Make required but not found])
433 dnl Tool compatibility is okay if we make it here.
436 dnl===-----------------------------------------------------------------------===
438 dnl=== SECTION 5: Check for libraries
440 dnl===-----------------------------------------------------------------------===
442 dnl libelf is for sparc only; we can ignore it if we don't have it
443 AC_CHECK_LIB(elf, elf_begin)
446 dnl lt_dlopen may be required for plugin support.
447 AC_SEARCH_LIBS(lt_dlopen,ltdl,AC_DEFINE([HAVE_LT_DLOPEN],[1],
448 [Define if lt_dlopen() is available on this platform]),
449 AC_MSG_WARN([lt_dlopen() not found - plugin support might
452 dnl dlopen() is required for plugin support.
453 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
454 [Define if dlopen() is available on this platform.]),
455 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
457 dnl mallinfo is optional; the code can compile (minus features) without it
458 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
459 [Define if mallinfo() is available on this platform.]))
461 dnl pthread locking functions are optional - but llvm will not be thread-safe
463 if test "$ENABLE_THREADS" -eq 1 ; then
464 AC_CHECK_LIB(pthread,pthread_mutex_init)
465 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
466 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
467 [Have pthread_mutex_lock]))
470 dnl===-----------------------------------------------------------------------===
472 dnl=== SECTION 6: Check for header files
474 dnl===-----------------------------------------------------------------------===
476 dnl First, use autoconf provided macros for specific headers that we need
477 dnl We don't check for ancient stuff or things that are guaranteed to be there
478 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
479 dnl Generally we're looking for POSIX headers.
481 AC_HEADER_MMAP_ANONYMOUS
487 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
488 AC_CHECK_HEADERS([malloc.h signal.h stdint.h unistd.h utime.h windows.h])
489 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/types.h])
490 AC_CHECK_HEADERS([malloc/malloc.h])
491 AC_CHECK_HEADERS([rw/stdex/hash_map.h rw/stdex/hash_set.h])
492 if test "$ENABLE_THREADS" -eq 1 ; then
493 AC_CHECK_HEADERS(pthread.h)
496 dnl===-----------------------------------------------------------------------===
498 dnl=== SECTION 7: Check for types and structures
500 dnl===-----------------------------------------------------------------------===
506 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
507 AC_CHECK_TYPES([uint64_t],,
508 AC_CHECK_TYPES([u_int64_t],,
509 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
511 dnl===-----------------------------------------------------------------------===
513 dnl=== SECTION 8: Check for specific functions needed
515 dnl===-----------------------------------------------------------------------===
517 AC_CHECK_FUNCS([backtrace getcwd getpagesize getrusage gettimeofday ])
518 AC_CHECK_FUNCS([isatty mkdtemp mkstemp mktemp ])
519 AC_CHECK_FUNCS([realpath sbrk setrlimit strdup strerror strerror_r ])
520 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
525 dnl Check for variations in the Standard C++ library and STL. These macros are
526 dnl provided by LLVM in the autoconf/m4 directory.
529 AC_CXX_HAVE_STD_ITERATOR
530 AC_CXX_HAVE_BI_ITERATOR
531 AC_CXX_HAVE_FWD_ITERATOR
535 dnl Check for mmap and mprotect support. We need both to do the JIT and for
536 dnl bytecode loading, etc. We also need to know if /dev/zero is required to
537 dnl be opened for allocating RWX memory.
540 AC_NEED_DEV_ZERO_FOR_MMAP
541 AC_CHECK_FUNC(mprotect,,
542 AC_MSG_ERROR([Function mprotect() required but not found]))
544 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
546 AC_MSG_WARN([mmap() of a fixed address required but not supported])
548 if test "$ac_cv_func_mmap_file" = "no"
550 AC_MSG_WARN([mmap() of files required but not found])
553 dnl===-----------------------------------------------------------------------===
555 dnl=== SECTION 9: Additional checks, variables, etc.
557 dnl===-----------------------------------------------------------------------===
559 dnl See if the llvm-gcc executable can compile to LLVM assembly
560 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
561 [llvm_cv_llvmgcc_sanity="no"
562 if test -x "$LLVMGCC" ; then
563 cp /dev/null conftest.c
564 "$LLVMGCC" -S -o - conftest.c | grep implementation > /dev/null 2>&1
565 if test $? -eq 0 ; then
566 llvm_cv_llvmgcc_sanity="yes"
571 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
572 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
573 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
574 AC_SUBST(LLVMCC1,$llvmcc1path)
575 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
576 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
577 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
578 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
581 dnl Propagate the shared library extension that the libltdl checks did to
582 dnl the Makefiles so we can use it there too
583 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
585 # Translate the various configuration directories and other basic
586 # information into substitutions that will end up in Makefile.config.in
587 # that these configured values can be used by the makefiles
588 eval LLVM_PREFIX="${prefix}";
589 eval LLVM_BINDIR="${prefix}/bin";
590 eval LLVM_LIBDIR="${prefix}/lib";
591 eval LLVM_DATADIR="${prefix}/share/llvm";
592 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
593 eval LLVM_ETCDIR="${prefix}/etc/llvm";
594 eval LLVM_INCLUDEDIR="${prefix}/include";
595 eval LLVM_INFODIR="${prefix}/info";
596 eval LLVM_MANDIR="${prefix}/man";
597 LLVM_CONFIGTIME=`date`
598 AC_SUBST(LLVM_PREFIX)
599 AC_SUBST(LLVM_BINDIR)
600 AC_SUBST(LLVM_LIBDIR)
601 AC_SUBST(LLVM_DATADIR)
602 AC_SUBST(LLVM_DOCSDIR)
603 AC_SUBST(LLVM_ETCDIR)
604 AC_SUBST(LLVM_INCLUDEDIR)
605 AC_SUBST(LLVM_INFODIR)
606 AC_SUBST(LLVM_MANDIR)
607 AC_SUBST(LLVM_CONFIGTIME)
609 # Place the various directores into the config.h file as #defines so that we
610 # can know about the installation paths within LLVM.
611 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
612 [Installation prefix directory])
613 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
614 [Installation directory for binary executables])
615 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
616 [Installation directory for libraries])
617 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
618 [Installation directory for data files])
619 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DOCSDIR",
620 [Installation directory for documentation])
621 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
622 [Installation directory for config files])
623 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
624 [Installation directory for include files])
625 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
626 [Installation directory for .info files])
627 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
628 [Installation directory for man pages])
629 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
630 [Time at which LLVM was configured])
632 dnl===-----------------------------------------------------------------------===
634 dnl=== SECTION 10: Specify the output files and generate it
636 dnl===-----------------------------------------------------------------------===
638 dnl Configure header files
639 dnl WARNING: dnl If you add or remove any of the following config headers, then
640 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
641 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
642 dnl files can be updated automatically when their *.in sources change.
643 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
644 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
645 AC_CONFIG_HEADERS([include/llvm/ADT/hash_map])
646 AC_CONFIG_HEADERS([include/llvm/ADT/hash_set])
647 AC_CONFIG_HEADERS([include/llvm/ADT/iterator])
649 dnl Configure the makefile's configuration data
650 AC_CONFIG_FILES([Makefile.config])
652 dnl Configure doxygen's configuration file
653 AC_CONFIG_FILES([docs/doxygen.cfg])
655 dnl Do special configuration of Makefiles
656 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
657 AC_CONFIG_MAKEFILE(Makefile)
658 AC_CONFIG_MAKEFILE(Makefile.common)
659 AC_CONFIG_MAKEFILE(examples/Makefile)
660 AC_CONFIG_MAKEFILE(lib/Makefile)
661 AC_CONFIG_MAKEFILE(runtime/Makefile)
662 AC_CONFIG_MAKEFILE(test/Makefile)
663 AC_CONFIG_MAKEFILE(test/Makefile.tests)
664 AC_CONFIG_MAKEFILE(tools/Makefile)
665 AC_CONFIG_MAKEFILE(utils/Makefile)
666 AC_CONFIG_MAKEFILE(projects/Makefile)
668 dnl Finally, crank out the output
671 dnl Warn loudly if llvm-gcc was not obviously working
672 if test "$llvm_cv_llvmgcc_sanity" = "no" ; then
673 AC_MSG_WARN([***** llvm-gcc/llvm-g++ was not found, or does not appear to be ])
674 AC_MSG_WARN([***** working. Please make sure you have llvmgcc and llvmg++ in])
675 AC_MSG_WARN([***** your path before configuring LLVM. The runtime libraries])
676 AC_MSG_WARN([***** (llvm/runtime) will not be built but you should be able to])
677 AC_MSG_WARN([***** build the llvm tools.])