1 dnl Initialize autoconf
2 AC_INIT([[LLVM]],[[1.4]],[llvmbugs@cs.uiuc.edu])
4 dnl Place all of the extra autoconf files into the config subdirectory
5 dnl Tell various tools where the m4 autoconf macros are
6 dnl Have configure verify that the source directory is valid.
7 AC_CONFIG_AUX_DIR([autoconf])
8 dnl AC_CONFIG_MACRO_DIR(autoconf/m4)
9 dnl Verify that the source directory is valid
10 AC_CONFIG_SRCDIR(["Makefile.config.in"])
12 dnl Quit if the source directory has already been configured.
13 dnl NOTE: This relies upon undocumented autoconf behavior.
14 if test ${srcdir} != "." ; then
15 if test -f ${srcdir}/include/llvm/Config/config.h ; then
16 AC_MSG_ERROR([Already configured in ${srcdir}])
20 dnl Configure all of the projects present in our source tree.
21 for i in `ls ${srcdir}/projects`
23 if test -d ${srcdir}/projects/${i} ; then
26 "sample") AC_CONFIG_SUBDIRS([projects/sample]) ;;
27 "Stacker") AC_CONFIG_SUBDIRS([projects/Stacker]) ;;
28 "llvm-test") AC_CONFIG_SUBDIRS([projects/llvm-test]) ;;
29 "llvm-reopt") AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
30 "llvm-gcc") AC_CONFIG_SUBDIRS([projects/llvm-gcc]) ;;
31 "Java") AC_CONFIG_SUBDIRS([projects/Java]) ;;
32 "llvm-tv") AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
33 "llvm-fefw") AC_CONFIG_SUBDIRS([projects/llvm-fefw]) ;;
35 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
41 dnl Configure header files
42 AC_CONFIG_HEADERS(include/llvm/Config/config.h)
44 dnl Configure other output file
45 AC_CONFIG_FILES(Makefile.config)
46 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
47 AC_CONFIG_HEADERS([include/llvm/ADT/hash_map])
48 AC_CONFIG_HEADERS([include/llvm/ADT/hash_set])
49 AC_CONFIG_HEADERS([include/llvm/Support/ThreadSupport.h])
50 AC_CONFIG_HEADERS([include/llvm/ADT/iterator])
52 dnl Do special configuration of Makefiles
53 AC_CONFIG_MAKEFILE(Makefile)
54 AC_CONFIG_MAKEFILE(Makefile.common)
55 AC_CONFIG_MAKEFILE(examples/Makefile)
56 AC_CONFIG_MAKEFILE(lib/Makefile)
57 AC_CONFIG_MAKEFILE(runtime/Makefile)
58 AC_CONFIG_MAKEFILE(test/Makefile)
59 AC_CONFIG_MAKEFILE(test/Makefile.tests)
60 AC_CONFIG_MAKEFILE(test/QMTest/llvm.py)
61 AC_CONFIG_MAKEFILE(test/QMTest/llvmdb.py)
62 AC_CONFIG_MAKEFILE(tools/Makefile)
63 AC_CONFIG_MAKEFILE(tools/Makefile.JIT)
64 AC_CONFIG_MAKEFILE(utils/Makefile)
65 AC_CONFIG_MAKEFILE(projects/Makefile)
67 dnl Find the install program (needs to be done before canonical stuff)
70 dnl Check which host for which we're compiling. This will tell us which LLVM
71 dnl compiler will be used for compiling SSA into object code.
74 dnl Set the "OS" Makefile variable based on the system we are building on.
75 dnl We will use the build machine information to set some variables.
77 AC_MSG_CHECKING([support for generic build operating system])
85 platform_type="Cygwin"
89 platform_type="Darwin"
93 platform_type="FreeBSD"
97 platform_type="Interix"
101 platform_type="Linux"
102 if test -d /home/vadve/lattner/local/x86/llvm-gcc
104 AC_SUBST(LLVMGCCDIR,[/home/vadve/lattner/local/x86/llvm-gcc/])
109 platform_type="SunOS"
110 if test -d /home/vadve/lattner/local/sparc/llvm-gcc
112 AC_SUBST(LLVMGCCDIR,[/home/vadve/lattner/local/sparc/llvm-gcc/])
117 platform_type="Win32"
121 platform_type="Win32"
124 AC_SUBST(OS,[Unknown])
125 platform_type="Unknown"
129 dnl Make sure we aren't attempting to configure for an unknown system
130 if test "$platform_type" = "Unknown" ; then
131 AC_MSG_ERROR([Platform is unknown, configure can't continue])
134 dnl Make a link from lib/System/platform to lib/System/$platform_type
135 dnl This helps the #inclusion of the system specific include files
136 dnl for the operating system abstraction library
137 AC_CONFIG_LINKS(lib/System/platform:lib/System/$platform_type)
140 AC_MSG_CHECKING(target architecture)
141 dnl If we are targetting a Sparc machine running Solaris, pretend that it is
142 dnl V9, since that is all that we support at the moment, and autoconf will only
143 dnl tell us we're a sparc.
145 sparc*-*-solaris*) AC_SUBST(target,[[sparcv9-sun-solaris2.8]])
149 dnl Determine what our target architecture is and configure accordingly.
150 dnl This will allow Makefiles to make a distinction between the hardware and
159 AC_SUBST(ARCH,[Sparc])
163 AC_SUBST(ARCH,[PowerPC])
167 AC_SUBST(ARCH,[Unknown])
173 dnl Check for compilation tools
176 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
177 if test "$GCC" != "yes"
179 AC_MSG_ERROR([gcc required but not found])
182 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
183 if test "$GXX" != "yes"
185 AC_MSG_ERROR([g++ required but not found])
188 dnl Verify that GCC is version 3.0 or higher
189 gccmajor=`$CC --version | head -n 1 | awk '{print $NF;}' | cut -d. -f1`
190 if test "$gccmajor" -lt "3"
192 AC_MSG_ERROR([gcc 3.x required, but you have a lower version])
195 dnl Check for GNU Make. We use its extensions too, so don't build without it
197 if test -z "$_cv_gnu_make_command"
199 AC_MSG_ERROR([GNU Make required but not found])
202 dnl Checks for other tools
206 AC_PATH_PROG(TAR,[tar],[gtar])
208 dnl Checks for tools we can get away with not having:
209 AC_PATH_PROG(DOT,[dot],[true dot])
210 AC_PATH_PROG(ETAGS,[etags],[true etags])
211 dnl Check if we know how to tell etags we are using C++:
212 etags_version=`$ETAGS --version 2>&1`
213 case "$etags_version" in
214 *[Ee]xuberant*) ETAGSFLAGS="--language-force=c++" ;;
215 *GNU\ Emacs*) ETAGSFLAGS="-l c++" ;;
218 AC_SUBST(ETAGSFLAGS,$ETAGSFLAGS)
219 AC_PATH_PROG(PYTHON,[python],[true python])
220 if test "$PYTHON" = "false"
222 AC_MSG_WARN([Python is required for the test suite, but it was not found])
224 AC_PATH_PROG(QMTEST,[qmtest],[true qmtest])
225 if test "$QMTEST" = "false"
227 AC_MSG_WARN([QMTest is required for the test suite, but it was not found])
230 dnl Verify that the version of python available is high enough for qmtest
231 pyversion=`$PYTHON -V 2>&1 | cut -d\ -f2`
232 pymajor=`echo $pyversion | cut -d. -f1`
233 pyminor=`echo $pyversion | cut -d. -f2`
235 if test "$pymajor" -ge "2"
237 if test "$pymajor" -eq "2"
239 if test "$pyminor" -lt "2"
241 AC_MSG_WARN([QMTest requires Python 2.2 or later])
245 AC_MSG_WARN([QMTest requires Python 2.2 or later])
248 dnl Checks for libraries:
249 dnl libelf is for sparc only; we can ignore it if we don't have it
250 AC_CHECK_LIB(elf, elf_begin)
252 dnl Check for bzip2 and zlib compression libraries needed for archive reading/writing
253 AC_CHECK_LIB(bz2,BZ2_bzCompressInit,[bzip2_found=1],[bzip2_found=0])
254 AC_CHECK_HEADERS([bzlib.h],[bzlib_h_found=1],[bzlib_h_found=0],[])
255 AC_CHECK_LIB(z,gzopen,[zlib_found=1],[zlib_found=0])
256 AC_CHECK_HEADERS([zlib.h],[zlib_h_found=1],[zlib_h_found=0],[])
257 if test $zlib_found -eq 1 -a $zlib_h_found -eq 1; then
258 AC_DEFINE([HAVE_ZLIB],[1],[Define if zlib library is available on this platform.])
259 AC_SUBST([HAVE_ZLIB],[1])
261 AC_SUBST([HAVE_ZLIB],[0])
263 if test $bzip2_found -eq 1 -a $bzlib_h_found -eq 1 ; then
264 AC_DEFINE([HAVE_BZIP2],[1],[Define if bzip2 library is available on this platform.])
265 AC_SUBST([HAVE_BZIP2],[1])
267 AC_SUBST([HAVE_BZIP2],[0])
269 dnl dlopen() is required for plugin support.
270 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],[Define if dlopen() is available on this platform.]),AC_MSG_WARN([dlopen() not found - disabling plugin support]))
272 dnl mallinfo is optional; the code can compile (minus features) without it
273 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],[Define if mallinfo() is available on this platform.]))
275 dnl pthread locking functions are optional - but llvm will not be thread-safe
277 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],[Have pthread_mutex_lock]))
278 dnl AC_SUBST(HAVE_PTHREAD_MUTEX_LOCK)
280 dnl Checks for header files.
281 dnl We don't check for ancient stuff or things that are guaranteed to be there
282 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
286 dnl Checks for POSIX and other various system-specific header files
287 AC_CHECK_HEADERS(fcntl.h limits.h sys/time.h unistd.h malloc.h sys/mman.h sys/resource.h dlfcn.h link.h execinfo.h windows.h)
289 dnl Check for things that need to be included in public headers, and so
290 dnl for which we may not have access to a HAVE_* preprocessor #define.
291 dnl (primarily used in DataTypes.h)
292 AC_CHECK_HEADER([sys/types.h])
293 AC_CHECK_HEADER([inttypes.h])
294 AC_CHECK_HEADER([stdint.h])
299 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
300 AC_CHECK_TYPES([uint64_t],,
301 AC_CHECK_TYPES([u_int64_t],,
302 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
306 dnl Check for various C features
309 dnl Check for the endianness of the target
310 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
312 dnl Check for C++ extensions
315 AC_CXX_HAVE_STD_ITERATOR
316 AC_CXX_HAVE_BI_ITERATOR
317 AC_CXX_HAVE_FWD_ITERATOR
322 dnl Checks for library functions.
325 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
327 AC_MSG_WARN([mmap() required but not found])
330 if test "$ac_cv_func_mmap_file" = "no"
332 AC_MSG_WARN([mmap() of files required but not found])
334 AC_HEADER_MMAP_ANONYMOUS
336 AC_CHECK_FUNCS(getcwd gettimeofday strdup strtoq strtoll backtrace isatty mkstemp getrusage)
337 AC_CHECK_FUNC(mprotect,,AC_MSG_ERROR([Function mprotect() required but not found]))
339 dnl Determine if the linker supports the -R option.
342 dnl --enable/--with command-line options:
343 dnl Check whether they want to do an optimized build:
344 AC_ARG_ENABLE(optimized,AS_HELP_STRING(--enable-optimized,Compile with optimizations enabled (default is NO)),,enableval=no)
345 if test ${enableval} = "no"
347 AC_SUBST(ENABLE_OPTIMIZED,[[]])
349 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
353 AC_ARG_ENABLE(jit,AS_HELP_STRING(--enable-jit,Enable Just In Time Compiling (default is YES)),,enableval=default)
354 if test ${enableval} = "no"
360 AC_SUBST(JIT,[[TARGET_HAS_JIT=1]])
363 AC_SUBST(JIT,[[TARGET_HAS_JIT=1]])
371 dnl Find the LLVM GCC-based C/C++ front end
372 AC_ARG_WITH(llvmgccdir,AS_HELP_STRING(--with-llvmgccdir,Location of LLVM GCC front-end),AC_SUBST(LLVMGCCDIR,[$withval]))
373 AC_MSG_CHECKING([for llvm-gcc])
375 if test -d "$LLVMGCCDIR"
377 if test -x "$LLVMGCCDIR/bin/gcc"
379 LLVM_GCC_CHECK="$LLVMGCCDIR/bin/gcc"
383 AC_MSG_RESULT($LLVM_GCC_CHECK)
384 if test "$LLVM_GCC_CHECK" = "no"
388 AC_MSG_CHECKING([whether llvm-gcc is sane])
390 if test -x "$LLVM_GCC_CHECK"
392 cp /dev/null conftest.c
393 "$LLVM_GCC_CHECK" -S -o - conftest.c | grep implementation > /dev/null 2>&1
399 llvmcc1path=`"$LLVM_GCC_CHECK" --print-prog-name=cc1`
400 AC_SUBST(LLVMCC1,$llvmcc1path)
401 llvmcc1pluspath=`"$LLVM_GCC_CHECK" --print-prog-name=cc1plus`
402 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
404 AC_MSG_RESULT($LLVM_GCC_SANE)
405 if test "$LLVM_GCC_SANE" = "no"
410 dnl Get libtool's idea of what the shared library suffix is.
411 dnl (This is a hack; it relies on undocumented behavior.)
412 AC_MSG_CHECKING([for shared library suffix])
413 eval "SHLIBEXT=$shrext_cmds"
414 AC_MSG_RESULT($SHLIBEXT)
415 dnl Propagate it to the Makefiles and config.h (for gccld & bugpoint).
416 AC_SUBST(SHLIBEXT,$SHLIBEXT)
417 AC_DEFINE_UNQUOTED(SHLIBEXT,"$SHLIBEXT",
418 [Extension that shared libraries have, e.g., ".so".])
420 # Translate the various configuration directories and other basic
421 # information into substitutions that will end up in config.h.in so
422 # that these configured values can be hard-wired into a program.
423 eval LLVM_PREFIX="${prefix}";
424 eval LLVM_BINDIR="${prefix}/bin";
425 eval LLVM_LIBDIR="${prefix}/lib";
426 eval LLVM_DATADIR="${prefix}/data";
427 eval LLVM_DOCSDIR="${prefix}/docs";
428 eval LLVM_ETCDIR="${prefix}/etc";
429 eval LLVM_INCLUDEDIR="${prefix}/include";
430 eval LLVM_INFODIR="${prefix}/info";
431 eval LLVM_MANDIR="${prefix}/man";
432 LLVM_CONFIGTIME=`date`
433 AC_SUBST(LLVM_PREFIX)
434 AC_SUBST(LLVM_BINDIR)
435 AC_SUBST(LLVM_LIBDIR)
436 AC_SUBST(LLVM_DATADIR)
437 AC_SUBST(LLVM_DOCSDIR)
438 AC_SUBST(LLVM_ETCDIR)
439 AC_SUBST(LLVM_INCLUDEDIR)
440 AC_SUBST(LLVM_INFODIR)
441 AC_SUBST(LLVM_MANDIR)
442 AC_SUBST(LLVM_CONFIGTIME)
443 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", [Installation prefix directory])
444 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", [Installation directory for binary executables])
445 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", [Installation directory for libraries])
446 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", [Installation directory for data files])
447 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DOCSDIR", [Installation directory for documentation])
448 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", [Installation directory for config files])
449 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", [Installation directory for include files])
450 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", [Installation directory for .info files])
451 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", [Installation directory for man pages])
452 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", [Time at which LLVM was configured])
454 dnl Create the output files
457 dnl Warn if we don't have a compression library
458 if test $bzip2_found -ne 1 ; then
459 if test $zlib_found -ne 1 ; then
460 AC_MSG_WARN([*** Neither zlib nor bzip2 compression libraries were found.])
461 AC_MSG_WARN([*** Bytecode archives will not support compression!])
462 AC_MSG_WARN([*** To correct, install the libraries and and re-run configure.])
466 dnl Warn loudly if llvm-gcc was not obviously working
467 if test $llvmgccwarn = yes
469 AC_MSG_WARN([***** llvm C/C++ front end was not found, or does not])
470 AC_MSG_WARN([***** appear to be working.])
471 AC_MSG_WARN([***** ])
472 AC_MSG_WARN([***** Please check configure's --with-llvmgccdir option.])
473 AC_MSG_WARN([***** Runtime libraries (in llvm/runtime) will not be built,])
474 AC_MSG_WARN([***** but you should be able to build the llvm tools.])