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(JIT,[[TARGET_HAS_JIT=1]]) ;;
222 Sparc) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;;
223 PowerPC) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;;
224 x86_64) AC_SUBST(JIT,[[]]) ;;
225 Alpha) AC_SUBST(JIT,[[TARGET_HAS_JIT=1]]) ;;
226 IA64) AC_SUBST(JIT,[[]]) ;;
227 *) AC_SUBST(JIT,[[]]) ;;
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],$ENABLE_THREADS,[Define if threads enabled])
255 dnl Allow specific targets to be specified for building (or not)
257 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-target],
258 [Build specific host targets: all,host-only,{target-name} (default=all)]),,
261 all) TARGETS_TO_BUILD="X86 SparcV8 SparcV9 PowerPC Alpha IA64 Skeleton" ;;
263 case "$llvm_cv_target_arch" in
264 x86) TARGETS_TO_BUILD="X86" ;;
265 x86_64) TARGETS_TO_BUILD="X86" ;;
266 Sparc) TARGETS_TO_BUILD="SparcV8 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="SparcV8 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 skeleton)TARGETS_TO_BUILD="Skeleton $TARGETS_TO_BUILD";;
282 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
287 TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD"
288 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
290 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
291 AC_ARG_WITH(llvmgccdir,
292 AS_HELP_STRING([--with-llvmgccdir],
293 [Specify location of llvm-gcc install dir (default searches PATH)]),,
296 default) WITH_LLVMGCCDIR=default ;;
297 /*) WITH_LLVMGCCDIR=$withval ;;
298 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
302 dnl===-----------------------------------------------------------------------===
304 dnl=== SECTION 4: Check for programs we need and that they are the right version
306 dnl===-----------------------------------------------------------------------===
308 dnl Check for compilation tools
315 dnl Check for the tools that the makefiles require
318 AC_PATH_PROG(CMP, [cmp], [cmp])
319 AC_PATH_PROG(CP, [cp], [cp])
320 AC_PATH_PROG(DATE, [date], [date])
321 AC_PATH_PROG(FIND, [find], [find])
322 AC_PATH_PROG(GREP, [grep], [grep])
323 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
324 AC_PATH_PROG(MV, [mv], [mv])
326 AC_PATH_PROG(RM, [rm], [rm])
327 AC_PATH_PROG(SED, [sed], [sed])
328 AC_PATH_PROG(TAR, [tar], [gtar])
329 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
330 if test "$GRAPHVIZ" != "echo Graphviz" ; then
331 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
332 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ",
333 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
335 AC_PATH_PROG(GV, [gv], [echo gv])
336 if test "$GV" != "echo gv" ; then
337 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
338 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV",
339 [Define to path to gv program if found or 'echo gv' otherwise])
342 dnl Find the install program
345 dnl Checks for documentation and testing tools that we can do without. If these
346 dnl are not found then they are set to "true" which always succeeds but does
347 dnl nothing. This just lets the build output show that we could have done
348 dnl something if the tool was available.
349 AC_PATH_PROG(BZIP2,[bzip2],[true bzip2])
350 AC_PATH_PROG(DOT,[dot],[true dot])
351 AC_PATH_PROG(DOXYGEN,[doxygen],[true doxygen])
352 AC_PATH_PROG(ETAGS,[etags],[true etags])
353 AC_PATH_PROG(GROFF,[groff],[true groff])
354 AC_PATH_PROG(GZIP,[gzip],[true gzip])
355 AC_PATH_PROG(POD2HTML,[pod2html],[true pod2html])
356 AC_PATH_PROG(POD2MAN,[pod2man],[true pod2man])
357 AC_PATH_PROG(RUNTEST,[runtest],[true runtest])
359 AC_PATH_PROG(ZIP,[zip],[true zip])
361 dnl Determine if the linker supports the -R option.
364 dnl Check for libtool and the library that has dlopen function (which must come
365 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
371 if test "$lt_cv_dlopen_self" = "yes" ; then
372 AC_DEFINE([CAN_DLOPEN_SELF],[1],
373 [Define if dlopen(0) will open the symbols of the program])
376 dnl Check if we know how to tell etags we are using C++:
377 etags_version=`$ETAGS --version 2>&1`
378 case "$etags_version" in
379 *[Ee]xuberant*) ETAGSFLAGS="--language-force=c++" ;;
380 *GNU\ Emacs*) ETAGSFLAGS="-l c++" ;;
383 AC_SUBST(ETAGSFLAGS,$ETAGSFLAGS)
385 if test "$WITH_LLVMGCCDIR" = "default" ; then
386 LLVMGCC="llvm-gcc${EXEEXT}"
387 LLVMGXX="llvm-g++${EXEEXT}"
388 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
389 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
391 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
392 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
393 AC_SUBST(LLVMGCC,$LLVMGCC)
394 AC_SUBST(LLVMGXX,$LLVMGXX)
397 AC_MSG_CHECKING([tool compatibility])
399 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
400 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
401 dnl to support those options.
402 dnl "icc" emits gcc signatures
403 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
415 if test "$GCC" != "yes" && test "$ICC" != "yes"
417 AC_MSG_ERROR([gcc|icc required but not found])
420 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
421 if test "$GXX" != "yes" && test "$IXX" != "yes"
423 AC_MSG_ERROR([g++|icc required but not found])
426 dnl Verify that GCC is version 3.0 or higher
427 if test "$GCC" = "yes"
429 gccmajor=`$CC --version | head -n 1 | sed 's/[[^0-9]]*\([[0-9.]]\).*/\1/'`
430 if test "$gccmajor" -lt "3"
432 AC_MSG_ERROR([gcc 3.x required, but you have a lower version])
436 dnl Check for GNU Make. We use its extensions, so don't build without it
437 if test -z "$llvm_cv_gnu_make_command"
439 AC_MSG_ERROR([GNU Make required but not found])
442 dnl Tool compatibility is okay if we make it here.
445 dnl===-----------------------------------------------------------------------===
447 dnl=== SECTION 5: Check for libraries
449 dnl===-----------------------------------------------------------------------===
451 dnl libelf is for sparc only; we can ignore it if we don't have it
452 AC_CHECK_LIB(elf, elf_begin)
455 dnl lt_dlopen may be required for plugin support.
456 AC_SEARCH_LIBS(lt_dlopen,ltdl,AC_DEFINE([HAVE_LT_DLOPEN],[1],
457 [Define if lt_dlopen() is available on this platform]),
458 AC_MSG_WARN([lt_dlopen() not found - plugin support might
461 dnl dlopen() is required for plugin support.
462 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
463 [Define if dlopen() is available on this platform.]),
464 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
466 dnl mallinfo is optional; the code can compile (minus features) without it
467 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
468 [Define if mallinfo() is available on this platform.]))
470 dnl pthread locking functions are optional - but llvm will not be thread-safe
472 if test "$ENABLE_THREADS" -eq 1 ; then
473 AC_CHECK_LIB(pthread,pthread_mutex_init)
474 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
475 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
476 [Have pthread_mutex_lock]))
479 dnl===-----------------------------------------------------------------------===
481 dnl=== SECTION 6: Check for header files
483 dnl===-----------------------------------------------------------------------===
485 dnl First, use autoconf provided macros for specific headers that we need
486 dnl We don't check for ancient stuff or things that are guaranteed to be there
487 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
488 dnl Generally we're looking for POSIX headers.
490 AC_HEADER_MMAP_ANONYMOUS
496 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
497 AC_CHECK_HEADERS([malloc.h signal.h stdint.h unistd.h utime.h windows.h])
498 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/types.h])
499 AC_CHECK_HEADERS([malloc/malloc.h])
500 if test "$ENABLE_THREADS" -eq 1 ; then
501 AC_CHECK_HEADERS(pthread.h)
504 dnl===-----------------------------------------------------------------------===
506 dnl=== SECTION 7: Check for types and structures
508 dnl===-----------------------------------------------------------------------===
514 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
515 AC_CHECK_TYPES([uint64_t],,
516 AC_CHECK_TYPES([u_int64_t],,
517 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
519 dnl===-----------------------------------------------------------------------===
521 dnl=== SECTION 8: Check for specific functions needed
523 dnl===-----------------------------------------------------------------------===
525 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
526 AC_CHECK_FUNCS([getpagesize getrusage gettimeofday isatty mkdtemp mkstemp ])
527 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup strerror strerror_r ])
528 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
533 dnl Check for variations in the Standard C++ library and STL. These macros are
534 dnl provided by LLVM in the autoconf/m4 directory.
537 AC_CXX_HAVE_STD_ITERATOR
538 AC_CXX_HAVE_BI_ITERATOR
539 AC_CXX_HAVE_FWD_ITERATOR
543 dnl Check for mmap and mprotect support. We need both to do the JIT and for
544 dnl bytecode loading, etc. We also need to know if /dev/zero is required to
545 dnl be opened for allocating RWX memory.
548 AC_NEED_DEV_ZERO_FOR_MMAP
549 AC_CHECK_FUNC(mprotect,,
550 AC_MSG_ERROR([Function mprotect() required but not found]))
552 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
554 AC_MSG_WARN([mmap() of a fixed address required but not supported])
556 if test "$ac_cv_func_mmap_file" = "no"
558 AC_MSG_WARN([mmap() of files required but not found])
561 dnl===-----------------------------------------------------------------------===
563 dnl=== SECTION 9: Additional checks, variables, etc.
565 dnl===-----------------------------------------------------------------------===
567 dnl See if the llvm-gcc executable can compile to LLVM assembly
568 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
569 [llvm_cv_llvmgcc_sanity="no"
570 if test -x "$LLVMGCC" ; then
571 cp /dev/null conftest.c
572 "$LLVMGCC" -S -o - conftest.c | grep implementation > /dev/null 2>&1
573 if test $? -eq 0 ; then
574 llvm_cv_llvmgcc_sanity="yes"
579 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
580 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
581 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
582 AC_SUBST(LLVMCC1,$llvmcc1path)
583 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
584 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
585 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
586 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
589 dnl Propagate the shared library extension that the libltdl checks did to
590 dnl the Makefiles so we can use it there too
591 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
593 # Translate the various configuration directories and other basic
594 # information into substitutions that will end up in Makefile.config.in
595 # that these configured values can be used by the makefiles
596 eval LLVM_PREFIX="${prefix}";
597 eval LLVM_BINDIR="${prefix}/bin";
598 eval LLVM_LIBDIR="${prefix}/lib";
599 eval LLVM_DATADIR="${prefix}/share/llvm";
600 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
601 eval LLVM_ETCDIR="${prefix}/etc/llvm";
602 eval LLVM_INCLUDEDIR="${prefix}/include";
603 eval LLVM_INFODIR="${prefix}/info";
604 eval LLVM_MANDIR="${prefix}/man";
605 LLVM_CONFIGTIME=`date`
606 AC_SUBST(LLVM_PREFIX)
607 AC_SUBST(LLVM_BINDIR)
608 AC_SUBST(LLVM_LIBDIR)
609 AC_SUBST(LLVM_DATADIR)
610 AC_SUBST(LLVM_DOCSDIR)
611 AC_SUBST(LLVM_ETCDIR)
612 AC_SUBST(LLVM_INCLUDEDIR)
613 AC_SUBST(LLVM_INFODIR)
614 AC_SUBST(LLVM_MANDIR)
615 AC_SUBST(LLVM_CONFIGTIME)
617 # Place the various directores into the config.h file as #defines so that we
618 # can know about the installation paths within LLVM.
619 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
620 [Installation prefix directory])
621 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
622 [Installation directory for binary executables])
623 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
624 [Installation directory for libraries])
625 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
626 [Installation directory for data files])
627 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DOCSDIR",
628 [Installation directory for documentation])
629 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
630 [Installation directory for config files])
631 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
632 [Installation directory for include files])
633 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
634 [Installation directory for .info files])
635 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
636 [Installation directory for man pages])
637 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
638 [Time at which LLVM was configured])
640 dnl===-----------------------------------------------------------------------===
642 dnl=== SECTION 10: Specify the output files and generate it
644 dnl===-----------------------------------------------------------------------===
646 dnl Configure header files
647 dnl WARNING: dnl If you add or remove any of the following config headers, then
648 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
649 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
650 dnl files can be updated automatically when their *.in sources change.
651 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
652 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
653 AC_CONFIG_HEADERS([include/llvm/ADT/hash_map])
654 AC_CONFIG_HEADERS([include/llvm/ADT/hash_set])
655 AC_CONFIG_HEADERS([include/llvm/ADT/iterator])
657 dnl Configure the makefile's configuration data
658 AC_CONFIG_FILES([Makefile.config])
660 dnl Configure doxygen's configuration file
661 AC_CONFIG_FILES([docs/doxygen.cfg])
663 dnl Do special configuration of Makefiles
664 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
665 AC_CONFIG_MAKEFILE(Makefile)
666 AC_CONFIG_MAKEFILE(Makefile.common)
667 AC_CONFIG_MAKEFILE(examples/Makefile)
668 AC_CONFIG_MAKEFILE(lib/Makefile)
669 AC_CONFIG_MAKEFILE(runtime/Makefile)
670 AC_CONFIG_MAKEFILE(test/Makefile)
671 AC_CONFIG_MAKEFILE(test/Makefile.tests)
672 AC_CONFIG_MAKEFILE(tools/Makefile)
673 AC_CONFIG_MAKEFILE(utils/Makefile)
674 AC_CONFIG_MAKEFILE(projects/Makefile)
676 dnl Finally, crank out the output
679 dnl Warn loudly if llvm-gcc was not obviously working
680 if test "$llvm_cv_llvmgcc_sanity" = "no" ; then
681 AC_MSG_WARN([***** llvm-gcc/llvm-g++ was not found, or does not appear to be ])
682 AC_MSG_WARN([***** working. Please make sure you have llvmgcc and llvmg++ in])
683 AC_MSG_WARN([***** your path before configuring LLVM. The runtime libraries])
684 AC_MSG_WARN([***** (llvm/runtime) will not be built but you should be able to])
685 AC_MSG_WARN([***** build the llvm tools.])