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]) ;;
34 "poolalloc") AC_CONFIG_SUBDIRS([projects/poolalloc]) ;;
36 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
42 dnl Configure header files
43 AC_CONFIG_HEADERS(include/llvm/Config/config.h)
45 dnl Configure other output file
46 AC_CONFIG_FILES(Makefile.config)
47 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
48 AC_CONFIG_HEADERS([include/llvm/ADT/hash_map])
49 AC_CONFIG_HEADERS([include/llvm/ADT/hash_set])
50 AC_CONFIG_HEADERS([include/llvm/Support/ThreadSupport.h])
51 AC_CONFIG_HEADERS([include/llvm/ADT/iterator])
53 dnl Do special configuration of Makefiles
54 AC_CONFIG_MAKEFILE(Makefile)
55 AC_CONFIG_MAKEFILE(Makefile.common)
56 AC_CONFIG_MAKEFILE(examples/Makefile)
57 AC_CONFIG_MAKEFILE(lib/Makefile)
58 AC_CONFIG_MAKEFILE(runtime/Makefile)
59 AC_CONFIG_MAKEFILE(test/Makefile)
60 AC_CONFIG_MAKEFILE(test/Makefile.tests)
61 AC_CONFIG_MAKEFILE(test/QMTest/llvm.py)
62 AC_CONFIG_MAKEFILE(test/QMTest/llvmdb.py)
63 AC_CONFIG_MAKEFILE(tools/Makefile)
64 AC_CONFIG_MAKEFILE(tools/Makefile.JIT)
65 AC_CONFIG_MAKEFILE(utils/Makefile)
66 AC_CONFIG_MAKEFILE(projects/Makefile)
68 dnl Find the install program (needs to be done before canonical stuff)
71 dnl Check which host for which we're compiling. This will tell us which LLVM
72 dnl compiler will be used for compiling SSA into object code.
75 dnl Set the "OS" Makefile variable based on the system we are building on.
76 dnl We will use the build machine information to set some variables.
78 AC_MSG_CHECKING([support for generic build operating system])
86 platform_type="Cygwin"
90 platform_type="Darwin"
94 platform_type="FreeBSD"
98 platform_type="Interix"
102 platform_type="Linux"
103 if test -d /home/vadve/lattner/local/x86/llvm-gcc
105 AC_SUBST(LLVMGCCDIR,[/home/vadve/lattner/local/x86/llvm-gcc/])
110 platform_type="SunOS"
111 if test -d /home/vadve/lattner/local/sparc/llvm-gcc
113 AC_SUBST(LLVMGCCDIR,[/home/vadve/lattner/local/sparc/llvm-gcc/])
118 platform_type="Win32"
122 platform_type="Win32"
125 AC_SUBST(OS,[Unknown])
126 platform_type="Unknown"
130 dnl Make sure we aren't attempting to configure for an unknown system
131 if test "$platform_type" = "Unknown" ; then
132 AC_MSG_ERROR([Platform is unknown, configure can't continue])
135 dnl Make a link from lib/System/platform to lib/System/$platform_type
136 dnl This helps the #inclusion of the system specific include files
137 dnl for the operating system abstraction library
138 AC_CONFIG_LINKS(lib/System/platform:lib/System/$platform_type)
141 AC_MSG_CHECKING(target architecture)
142 dnl If we are targetting a Sparc machine running Solaris, pretend that it is
143 dnl V9, since that is all that we support at the moment, and autoconf will only
144 dnl tell us we're a sparc.
146 sparc*-*-solaris*) AC_SUBST(target,[[sparcv9-sun-solaris2.8]])
150 dnl Determine what our target architecture is and configure accordingly.
151 dnl This will allow Makefiles to make a distinction between the hardware and
160 AC_SUBST(ARCH,[Sparc])
164 AC_SUBST(ARCH,[PowerPC])
168 AC_SUBST(ARCH,[Unknown])
174 dnl Check for compilation tools
177 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
178 if test "$GCC" != "yes"
180 AC_MSG_ERROR([gcc required but not found])
183 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
184 if test "$GXX" != "yes"
186 AC_MSG_ERROR([g++ required but not found])
189 dnl Verify that GCC is version 3.0 or higher
190 gccmajor=`$CC --version | head -n 1 | awk '{print $NF;}' | cut -d. -f1`
191 if test "$gccmajor" -lt "3"
193 AC_MSG_ERROR([gcc 3.x required, but you have a lower version])
196 dnl Check for GNU Make. We use its extensions too, so don't build without it
198 if test -z "$_cv_gnu_make_command"
200 AC_MSG_ERROR([GNU Make required but not found])
203 dnl Checks for other tools
207 AC_PATH_PROG(TAR,[tar],[gtar])
209 dnl Checks for tools we can get away with not having:
210 AC_PATH_PROG(DOT,[dot],[true dot])
211 AC_PATH_PROG(ETAGS,[etags],[true etags])
212 dnl Check if we know how to tell etags we are using C++:
213 etags_version=`$ETAGS --version 2>&1`
214 case "$etags_version" in
215 *[Ee]xuberant*) ETAGSFLAGS="--language-force=c++" ;;
216 *GNU\ Emacs*) ETAGSFLAGS="-l c++" ;;
219 AC_SUBST(ETAGSFLAGS,$ETAGSFLAGS)
220 AC_PATH_PROG(PYTHON,[python],[true python])
221 if test "$PYTHON" = "false" ; then
222 AC_MSG_WARN([Python is required for the test suite, but it was not found])
224 AC_PATH_PROG(QMTEST,[qmtest],[true qmtest])
225 if test "$QMTEST" = "false" ; then
226 AC_MSG_WARN([QMTest is required for the test suite, but it was not found])
228 AC_PATH_PROG(RUNTEST,[runtest],[true runtest])
229 if test "$RUNTEST" = "false" ; then
230 AC_MSG_WARN([runtest (Deja-Gnu) is required for the test sute, but it was not found])
233 dnl Verify that the version of python available is high enough for qmtest
234 pyversion=`$PYTHON -V 2>&1 | cut -d\ -f2`
235 pymajor=`echo $pyversion | cut -d. -f1`
236 pyminor=`echo $pyversion | cut -d. -f2`
238 if test "$pymajor" -ge "2"
240 if test "$pymajor" -eq "2"
242 if test "$pyminor" -lt "2"
244 AC_MSG_WARN([QMTest requires Python 2.2 or later])
248 AC_MSG_WARN([QMTest requires Python 2.2 or later])
251 dnl Checks for libraries:
252 dnl libelf is for sparc only; we can ignore it if we don't have it
253 AC_CHECK_LIB(elf, elf_begin)
255 dnl Check for bzip2 and zlib compression libraries needed for archive reading/writing
256 AC_CHECK_LIB(bz2,BZ2_bzCompressInit,[bzip2_found=1],[bzip2_found=0])
257 AC_CHECK_HEADERS([bzlib.h],[bzlib_h_found=1],[bzlib_h_found=0],[])
258 AC_CHECK_LIB(z,gzopen,[zlib_found=1],[zlib_found=0])
259 AC_CHECK_HEADERS([zlib.h],[zlib_h_found=1],[zlib_h_found=0],[])
260 if test $zlib_found -eq 1 -a $zlib_h_found -eq 1; then
261 AC_DEFINE([HAVE_ZLIB],[1],[Define if zlib library is available on this platform.])
262 AC_SUBST([HAVE_ZLIB],[1])
264 AC_SUBST([HAVE_ZLIB],[0])
266 if test $bzip2_found -eq 1 -a $bzlib_h_found -eq 1 ; then
267 AC_DEFINE([HAVE_BZIP2],[1],[Define if bzip2 library is available on this platform.])
268 AC_SUBST([HAVE_BZIP2],[1])
270 AC_SUBST([HAVE_BZIP2],[0])
272 dnl dlopen() is required for plugin support.
273 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]))
275 dnl mallinfo is optional; the code can compile (minus features) without it
276 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],[Define if mallinfo() is available on this platform.]))
278 dnl pthread locking functions are optional - but llvm will not be thread-safe
280 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],[Have pthread_mutex_lock]))
281 dnl AC_SUBST(HAVE_PTHREAD_MUTEX_LOCK)
283 dnl Checks for header files.
284 dnl We don't check for ancient stuff or things that are guaranteed to be there
285 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
289 dnl Checks for POSIX and other various system-specific header files
290 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)
292 dnl Check for things that need to be included in public headers, and so
293 dnl for which we may not have access to a HAVE_* preprocessor #define.
294 dnl (primarily used in DataTypes.h)
295 AC_CHECK_HEADER([sys/types.h])
296 AC_CHECK_HEADER([inttypes.h])
297 AC_CHECK_HEADER([stdint.h])
302 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
303 AC_CHECK_TYPES([uint64_t],,
304 AC_CHECK_TYPES([u_int64_t],,
305 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
309 dnl Check for various C features
312 dnl Check for the endianness of the target
313 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
315 dnl Check for C++ extensions
318 AC_CXX_HAVE_STD_ITERATOR
319 AC_CXX_HAVE_BI_ITERATOR
320 AC_CXX_HAVE_FWD_ITERATOR
326 dnl Checks for library functions.
329 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
331 AC_MSG_WARN([mmap() required but not found])
334 if test "$ac_cv_func_mmap_file" = "no"
336 AC_MSG_WARN([mmap() of files required but not found])
338 AC_HEADER_MMAP_ANONYMOUS
340 AC_CHECK_FUNCS(getcwd gettimeofday strdup strtoq strtoll backtrace isatty mkstemp getrusage)
341 AC_CHECK_FUNC(mprotect,,AC_MSG_ERROR([Function mprotect() required but not found]))
343 dnl Determine if the linker supports the -R option.
346 dnl --enable/--with command-line options:
347 dnl Check whether they want to do an optimized build:
348 AC_ARG_ENABLE(optimized,AS_HELP_STRING(--enable-optimized,Compile with optimizations enabled (default is NO)),,enableval=no)
349 if test ${enableval} = "no"
351 AC_SUBST(ENABLE_OPTIMIZED,[[]])
353 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
357 AC_ARG_ENABLE(jit,AS_HELP_STRING(--enable-jit,Enable Just In Time Compiling (default is YES)),,enableval=default)
358 if test ${enableval} = "no"
364 AC_SUBST(JIT,[[TARGET_HAS_JIT=1]])
367 AC_SUBST(JIT,[[TARGET_HAS_JIT=1]])
375 dnl Find the LLVM GCC-based C/C++ front end
376 AC_ARG_WITH(llvmgccdir,AS_HELP_STRING(--with-llvmgccdir,Location of LLVM GCC front-end),AC_SUBST(LLVMGCCDIR,[$withval]))
377 AC_MSG_CHECKING([for llvm-gcc])
379 if test -d "$LLVMGCCDIR"
381 if test -x "$LLVMGCCDIR/bin/gcc"
383 LLVM_GCC_CHECK="$LLVMGCCDIR/bin/gcc"
387 AC_MSG_RESULT($LLVM_GCC_CHECK)
388 if test "$LLVM_GCC_CHECK" = "no"
392 AC_MSG_CHECKING([whether llvm-gcc is sane])
394 if test -x "$LLVM_GCC_CHECK"
396 cp /dev/null conftest.c
397 "$LLVM_GCC_CHECK" -S -o - conftest.c | grep implementation > /dev/null 2>&1
403 llvmcc1path=`"$LLVM_GCC_CHECK" --print-prog-name=cc1`
404 AC_SUBST(LLVMCC1,$llvmcc1path)
405 llvmcc1pluspath=`"$LLVM_GCC_CHECK" --print-prog-name=cc1plus`
406 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
408 AC_MSG_RESULT($LLVM_GCC_SANE)
409 if test "$LLVM_GCC_SANE" = "no"
414 dnl Get libtool's idea of what the shared library suffix is.
415 dnl (This is a hack; it relies on undocumented behavior.)
416 AC_MSG_CHECKING([for shared library suffix])
417 eval "SHLIBEXT=$shrext_cmds"
418 AC_MSG_RESULT($SHLIBEXT)
419 dnl Propagate it to the Makefiles and config.h (for gccld & bugpoint).
420 AC_SUBST(SHLIBEXT,$SHLIBEXT)
421 AC_DEFINE_UNQUOTED(SHLIBEXT,"$SHLIBEXT",
422 [Extension that shared libraries have, e.g., ".so".])
424 # Translate the various configuration directories and other basic
425 # information into substitutions that will end up in config.h.in so
426 # that these configured values can be hard-wired into a program.
427 eval LLVM_PREFIX="${prefix}";
428 eval LLVM_BINDIR="${prefix}/bin";
429 eval LLVM_LIBDIR="${prefix}/lib";
430 eval LLVM_DATADIR="${prefix}/data";
431 eval LLVM_DOCSDIR="${prefix}/docs";
432 eval LLVM_ETCDIR="${prefix}/etc";
433 eval LLVM_INCLUDEDIR="${prefix}/include";
434 eval LLVM_INFODIR="${prefix}/info";
435 eval LLVM_MANDIR="${prefix}/man";
436 LLVM_CONFIGTIME=`date`
437 AC_SUBST(LLVM_PREFIX)
438 AC_SUBST(LLVM_BINDIR)
439 AC_SUBST(LLVM_LIBDIR)
440 AC_SUBST(LLVM_DATADIR)
441 AC_SUBST(LLVM_DOCSDIR)
442 AC_SUBST(LLVM_ETCDIR)
443 AC_SUBST(LLVM_INCLUDEDIR)
444 AC_SUBST(LLVM_INFODIR)
445 AC_SUBST(LLVM_MANDIR)
446 AC_SUBST(LLVM_CONFIGTIME)
447 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", [Installation prefix directory])
448 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", [Installation directory for binary executables])
449 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", [Installation directory for libraries])
450 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", [Installation directory for data files])
451 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DOCSDIR", [Installation directory for documentation])
452 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", [Installation directory for config files])
453 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", [Installation directory for include files])
454 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", [Installation directory for .info files])
455 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", [Installation directory for man pages])
456 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", [Time at which LLVM was configured])
458 dnl Create the output files
461 dnl Warn if we don't have a compression library
462 if test $bzip2_found -ne 1 ; then
463 if test $zlib_found -ne 1 ; then
464 AC_MSG_WARN([*** Neither zlib nor bzip2 compression libraries were found.])
465 AC_MSG_WARN([*** Bytecode archives will not support compression!])
466 AC_MSG_WARN([*** To correct, install the libraries and and re-run configure.])
470 dnl Warn loudly if llvm-gcc was not obviously working
471 if test $llvmgccwarn = yes
473 AC_MSG_WARN([***** llvm C/C++ front end was not found, or does not])
474 AC_MSG_WARN([***** appear to be working.])
475 AC_MSG_WARN([***** ])
476 AC_MSG_WARN([***** Please check configure's --with-llvmgccdir option.])
477 AC_MSG_WARN([***** Runtime libraries (in llvm/runtime) will not be built,])
478 AC_MSG_WARN([***** but you should be able to build the llvm tools.])