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-debug-runtime : should runtime libraries have debug symbols?
203 AC_ARG_ENABLE(debug-runtime,
204 AS_HELP_STRING([--enable-debug-runtime,Build runtime libs with debug symbols (default is NO)]),,enableval=no)
205 if test ${enableval} = "no" ; then
206 AC_SUBST(DEBUG_RUNTIME,[[]])
208 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
211 dnl --enable-jit: check whether they want to enable the jit
213 AS_HELP_STRING(--enable-jit,
214 [Enable Just In Time Compiling (default is YES)]),,
216 if test ${enableval} = "no"
220 case "$llvm_cv_target_arch" in
221 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
222 Sparc) AC_SUBST(TARGET_HAS_JIT,1) ;;
223 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
224 x86_64) AC_SUBST(TARGET_HAS_JIT,0) ;;
225 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
226 IA64) AC_SUBST(TARGET_HAS_JIT,0) ;;
227 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
231 dnl Allow enablement of doxygen generated documentation
232 AC_ARG_ENABLE(doxygen,
233 AS_HELP_STRING([--enable-doxygen],
234 [Build doxygen documentation (default is NO)]),,
237 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
238 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
239 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
240 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
243 dnl Allow disablement of threads
244 AC_ARG_ENABLE(threads,
245 AS_HELP_STRING([--enable-threads],
246 [Use threads if available (default is YES)]),,
249 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
250 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
251 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
253 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
255 dnl Allow specific targets to be specified for building (or not)
257 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-target],
258 [Build specific host targets: all,host-only,{target-name} (default=all)]),,
261 all) TARGETS_TO_BUILD="X86 Sparc SparcV9 PowerPC Alpha IA64" ;;
263 case "$llvm_cv_target_arch" in
264 x86) TARGETS_TO_BUILD="X86" ;;
265 x86_64) TARGETS_TO_BUILD="X86" ;;
266 Sparc) TARGETS_TO_BUILD="Sparc SparcV9" ;;
267 PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
268 Alpha) TARGETS_TO_BUILD="Alpha" ;;
269 IA64) TARGETS_TO_BUILD="IA64" ;;
270 *) AC_MSG_ERROR([Can not set target to build]) ;;
273 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
275 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
276 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
277 sparc) TARGETS_TO_BUILD="Sparc SparcV9 $TARGETS_TO_BUILD" ;;
278 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
279 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
280 ia64) TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;;
281 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
286 TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD"
287 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
289 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
290 AC_ARG_WITH(llvmgccdir,
291 AS_HELP_STRING([--with-llvmgccdir],
292 [Specify location of llvm-gcc install dir (default searches PATH)]),,
295 default) WITH_LLVMGCCDIR=default ;;
296 /*) WITH_LLVMGCCDIR=$withval ;;
297 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
301 dnl===-----------------------------------------------------------------------===
303 dnl=== SECTION 4: Check for programs we need and that they are the right version
305 dnl===-----------------------------------------------------------------------===
307 dnl Check for compilation tools
314 dnl Check for the tools that the makefiles require
317 AC_PATH_PROG(CMP, [cmp], [cmp])
318 AC_PATH_PROG(CP, [cp], [cp])
319 AC_PATH_PROG(DATE, [date], [date])
320 AC_PATH_PROG(FIND, [find], [find])
321 AC_PATH_PROG(GREP, [grep], [grep])
322 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
323 AC_PATH_PROG(MV, [mv], [mv])
325 AC_PATH_PROG(RM, [rm], [rm])
326 AC_PATH_PROG(SED, [sed], [sed])
327 AC_PATH_PROG(TAR, [tar], [gtar])
328 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
329 if test "$GRAPHVIZ" != "echo Graphviz" ; then
330 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
331 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ",
332 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
334 AC_PATH_PROG(GV, [gv], [echo gv])
335 if test "$GV" != "echo gv" ; then
336 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
337 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV",
338 [Define to path to gv program if found or 'echo gv' otherwise])
341 dnl Look for a sufficiently recent version of Perl.
342 LLVM_PROG_PERL([5.006])
344 if test x"$PERL" = xnone; then
345 AC_SUBST(HAVE_PERL,0)
347 AC_SUBST(HAVE_PERL,1)
350 dnl Find the install program
353 dnl Checks for documentation and testing tools that we can do without. If these
354 dnl are not found then they are set to "true" which always succeeds but does
355 dnl nothing. This just lets the build output show that we could have done
356 dnl something if the tool was available.
357 AC_PATH_PROG(BZIP2,[bzip2],[true bzip2])
358 AC_PATH_PROG(DOT,[dot],[true dot])
359 AC_PATH_PROG(DOXYGEN,[doxygen],[true doxygen])
360 AC_PATH_PROG(ETAGS,[etags],[true etags])
361 AC_PATH_PROG(GROFF,[groff],[true groff])
362 AC_PATH_PROG(GZIP,[gzip],[true gzip])
363 AC_PATH_PROG(POD2HTML,[pod2html],[true pod2html])
364 AC_PATH_PROG(POD2MAN,[pod2man],[true pod2man])
365 AC_PATH_PROG(RUNTEST,[runtest],[true runtest])
367 AC_PATH_PROG(ZIP,[zip],[true zip])
369 dnl Determine if the linker supports the -R option.
372 dnl Check for libtool and the library that has dlopen function (which must come
373 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
379 if test "$lt_cv_dlopen_self" = "yes" ; then
380 AC_DEFINE([CAN_DLOPEN_SELF],[1],
381 [Define if dlopen(0) will open the symbols of the program])
384 dnl Check if we know how to tell etags we are using C++:
385 etags_version=`$ETAGS --version 2>&1`
386 case "$etags_version" in
387 *[Ee]xuberant*) ETAGSFLAGS="--language-force=c++" ;;
388 *GNU\ Emacs*) ETAGSFLAGS="-l c++" ;;
391 AC_SUBST(ETAGSFLAGS,$ETAGSFLAGS)
393 if test "$WITH_LLVMGCCDIR" = "default" ; then
394 LLVMGCC="llvm-gcc${EXEEXT}"
395 LLVMGXX="llvm-g++${EXEEXT}"
396 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
397 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
399 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
400 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
401 AC_SUBST(LLVMGCC,$LLVMGCC)
402 AC_SUBST(LLVMGXX,$LLVMGXX)
405 AC_MSG_CHECKING([tool compatibility])
407 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
408 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
409 dnl to support those options.
410 dnl "icc" emits gcc signatures
411 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
423 if test "$GCC" != "yes" && test "$ICC" != "yes"
425 AC_MSG_ERROR([gcc|icc required but not found])
428 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
429 if test "$GXX" != "yes" && test "$IXX" != "yes"
431 AC_MSG_ERROR([g++|icc required but not found])
434 dnl Verify that GCC is version 3.0 or higher
435 if test "$GCC" = "yes"
437 gccmajor=`$CC --version | head -n 1 | sed 's/[[^0-9]]*\([[0-9.]]\).*/\1/'`
438 if test "$gccmajor" -lt "3"
440 AC_MSG_ERROR([gcc 3.x required, but you have a lower version])
444 dnl Check for GNU Make. We use its extensions, so don't build without it
445 if test -z "$llvm_cv_gnu_make_command"
447 AC_MSG_ERROR([GNU Make required but not found])
450 dnl Tool compatibility is okay if we make it here.
453 dnl===-----------------------------------------------------------------------===
455 dnl=== SECTION 5: Check for libraries
457 dnl===-----------------------------------------------------------------------===
459 dnl libelf is for sparc only; we can ignore it if we don't have it
460 AC_CHECK_LIB(elf, elf_begin)
463 dnl lt_dlopen may be required for plugin support.
464 AC_SEARCH_LIBS(lt_dlopen,ltdl,AC_DEFINE([HAVE_LT_DLOPEN],[1],
465 [Define if lt_dlopen() is available on this platform]),
466 AC_MSG_WARN([lt_dlopen() not found - plugin support might
469 dnl dlopen() is required for plugin support.
470 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
471 [Define if dlopen() is available on this platform.]),
472 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
474 dnl mallinfo is optional; the code can compile (minus features) without it
475 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
476 [Define if mallinfo() is available on this platform.]))
478 dnl pthread locking functions are optional - but llvm will not be thread-safe
480 if test "$ENABLE_THREADS" -eq 1 ; then
481 AC_CHECK_LIB(pthread,pthread_mutex_init)
482 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
483 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
484 [Have pthread_mutex_lock]))
487 dnl===-----------------------------------------------------------------------===
489 dnl=== SECTION 6: Check for header files
491 dnl===-----------------------------------------------------------------------===
493 dnl First, use autoconf provided macros for specific headers that we need
494 dnl We don't check for ancient stuff or things that are guaranteed to be there
495 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
496 dnl Generally we're looking for POSIX headers.
498 AC_HEADER_MMAP_ANONYMOUS
504 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
505 AC_CHECK_HEADERS([malloc.h signal.h stdint.h unistd.h utime.h windows.h])
506 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/types.h])
507 AC_CHECK_HEADERS([malloc/malloc.h])
508 if test "$ENABLE_THREADS" -eq 1 ; then
509 AC_CHECK_HEADERS(pthread.h)
512 dnl===-----------------------------------------------------------------------===
514 dnl=== SECTION 7: Check for types and structures
516 dnl===-----------------------------------------------------------------------===
522 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
523 AC_CHECK_TYPES([uint64_t],,
524 AC_CHECK_TYPES([u_int64_t],,
525 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
527 dnl===-----------------------------------------------------------------------===
529 dnl=== SECTION 8: Check for specific functions needed
531 dnl===-----------------------------------------------------------------------===
533 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
534 AC_CHECK_FUNCS([getpagesize getrusage gettimeofday isatty mkdtemp mkstemp ])
535 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup strerror strerror_r ])
536 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
541 dnl Check for variations in the Standard C++ library and STL. These macros are
542 dnl provided by LLVM in the autoconf/m4 directory.
545 AC_CXX_HAVE_STD_ITERATOR
546 AC_CXX_HAVE_BI_ITERATOR
547 AC_CXX_HAVE_FWD_ITERATOR
551 dnl Check for mmap and mprotect support. We need both to do the JIT and for
552 dnl bytecode loading, etc. We also need to know if /dev/zero is required to
553 dnl be opened for allocating RWX memory.
556 AC_NEED_DEV_ZERO_FOR_MMAP
557 AC_CHECK_FUNC(mprotect,,
558 AC_MSG_ERROR([Function mprotect() required but not found]))
560 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
562 AC_MSG_WARN([mmap() of a fixed address required but not supported])
564 if test "$ac_cv_func_mmap_file" = "no"
566 AC_MSG_WARN([mmap() of files required but not found])
569 dnl===-----------------------------------------------------------------------===
571 dnl=== SECTION 9: Additional checks, variables, etc.
573 dnl===-----------------------------------------------------------------------===
575 dnl See if the llvm-gcc executable can compile to LLVM assembly
576 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
577 [llvm_cv_llvmgcc_sanity="no"
578 if test -x "$LLVMGCC" ; then
579 cp /dev/null conftest.c
580 "$LLVMGCC" -emit-llvm -S -o - conftest.c | grep implementation > /dev/null 2>&1
581 if test $? -eq 0 ; then
582 llvm_cv_llvmgcc_sanity="yes"
587 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
588 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
589 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
590 AC_SUBST(LLVMCC1,$llvmcc1path)
591 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
592 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
593 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
594 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
597 dnl Propagate the shared library extension that the libltdl checks did to
598 dnl the Makefiles so we can use it there too
599 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
601 # Translate the various configuration directories and other basic
602 # information into substitutions that will end up in Makefile.config.in
603 # that these configured values can be used by the makefiles
604 eval LLVM_PREFIX="${prefix}";
605 eval LLVM_BINDIR="${prefix}/bin";
606 eval LLVM_LIBDIR="${prefix}/lib";
607 eval LLVM_DATADIR="${prefix}/share/llvm";
608 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
609 eval LLVM_ETCDIR="${prefix}/etc/llvm";
610 eval LLVM_INCLUDEDIR="${prefix}/include";
611 eval LLVM_INFODIR="${prefix}/info";
612 eval LLVM_MANDIR="${prefix}/man";
613 LLVM_CONFIGTIME=`date`
614 AC_SUBST(LLVM_PREFIX)
615 AC_SUBST(LLVM_BINDIR)
616 AC_SUBST(LLVM_LIBDIR)
617 AC_SUBST(LLVM_DATADIR)
618 AC_SUBST(LLVM_DOCSDIR)
619 AC_SUBST(LLVM_ETCDIR)
620 AC_SUBST(LLVM_INCLUDEDIR)
621 AC_SUBST(LLVM_INFODIR)
622 AC_SUBST(LLVM_MANDIR)
623 AC_SUBST(LLVM_CONFIGTIME)
625 # Place the various directores into the config.h file as #defines so that we
626 # can know about the installation paths within LLVM.
627 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
628 [Installation prefix directory])
629 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
630 [Installation directory for binary executables])
631 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
632 [Installation directory for libraries])
633 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
634 [Installation directory for data files])
635 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DOCSDIR",
636 [Installation directory for documentation])
637 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
638 [Installation directory for config files])
639 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
640 [Installation directory for include files])
641 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
642 [Installation directory for .info files])
643 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
644 [Installation directory for man pages])
645 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
646 [Time at which LLVM was configured])
648 dnl===-----------------------------------------------------------------------===
650 dnl=== SECTION 10: Specify the output files and generate it
652 dnl===-----------------------------------------------------------------------===
654 dnl Configure header files
655 dnl WARNING: dnl If you add or remove any of the following config headers, then
656 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
657 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
658 dnl files can be updated automatically when their *.in sources change.
659 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
660 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
661 AC_CONFIG_HEADERS([include/llvm/ADT/hash_map])
662 AC_CONFIG_HEADERS([include/llvm/ADT/hash_set])
663 AC_CONFIG_HEADERS([include/llvm/ADT/iterator])
665 dnl Configure the makefile's configuration data
666 AC_CONFIG_FILES([Makefile.config])
668 dnl Configure doxygen's configuration file
669 AC_CONFIG_FILES([docs/doxygen.cfg])
671 dnl Do the first stage of configuration for llvm-config.in.
672 AC_CONFIG_FILES([utils/llvm-config/llvm-config.in])
674 dnl Do special configuration of Makefiles
675 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
676 AC_CONFIG_MAKEFILE(Makefile)
677 AC_CONFIG_MAKEFILE(Makefile.common)
678 AC_CONFIG_MAKEFILE(examples/Makefile)
679 AC_CONFIG_MAKEFILE(lib/Makefile)
680 AC_CONFIG_MAKEFILE(runtime/Makefile)
681 AC_CONFIG_MAKEFILE(test/Makefile)
682 AC_CONFIG_MAKEFILE(test/Makefile.tests)
683 AC_CONFIG_MAKEFILE(tools/Makefile)
684 AC_CONFIG_MAKEFILE(utils/Makefile)
685 AC_CONFIG_MAKEFILE(projects/Makefile)
687 dnl Finally, crank out the output
690 dnl Warn loudly if llvm-gcc was not obviously working
691 if test "$llvm_cv_llvmgcc_sanity" = "no" ; then
692 AC_MSG_WARN([***** llvm-gcc/llvm-g++ was not found, or does not appear to be ])
693 AC_MSG_WARN([***** working. Please make sure you have llvmgcc and llvmg++ in])
694 AC_MSG_WARN([***** your path before configuring LLVM. The runtime libraries])
695 AC_MSG_WARN([***** (llvm/runtime) will not be built but you should be able to])
696 AC_MSG_WARN([***** build the llvm tools.])