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 "$_cv_gnu_make_command"
199 AC_MSG_ERROR([GNU Make required but not found])
202 dnl Checks for other tools
207 dnl Checks for tools we can get away with not having:
208 AC_PATH_PROG(DOT,[dot],[true dot])
209 AC_PATH_PROG(ETAGS,[etags],[true etags])
210 dnl Check if we know how to tell etags we are using C++:
211 etags_version=`$ETAGS --version 2>&1`
212 case "$etags_version" in
213 *[Ee]xuberant*) ETAGSFLAGS="--language-force=c++" ;;
214 *GNU\ Emacs*) ETAGSFLAGS="-l c++" ;;
217 AC_SUBST(ETAGSFLAGS,$ETAGSFLAGS)
218 AC_PATH_PROG(PYTHON,[python],[true python])
219 if test "$PYTHON" = "false"
221 AC_MSG_WARN([Python is required for the test suite, but it was not found])
223 AC_PATH_PROG(QMTEST,[qmtest],[true qmtest])
224 if test "$QMTEST" = "false"
226 AC_MSG_WARN([QMTest is required for the test suite, but it was not found])
229 dnl Verify that the version of python available is high enough for qmtest
230 pyversion=`$PYTHON -V 2>&1 | cut -d\ -f2`
231 pymajor=`echo $pyversion | cut -d. -f1`
232 pyminor=`echo $pyversion | cut -d. -f2`
234 if test "$pymajor" -ge "2"
236 if test "$pymajor" -eq "2"
238 if test "$pyminor" -lt "2"
240 AC_MSG_WARN([QMTest requires Python 2.2 or later])
244 AC_MSG_WARN([QMTest requires Python 2.2 or later])
247 dnl Checks for libraries:
248 dnl libelf is for sparc only; we can ignore it if we don't have it
249 AC_CHECK_LIB(elf, elf_begin)
251 dnl Check for bzip2 and zlib compression libraries needed for archive reading/writing
252 AC_CHECK_LIB(bz2,BZ2_bzCompressInit,[bzip2_found=1],[bzip2_found=0])
253 AC_CHECK_HEADERS([bzlib.h],[bzlib_h_found=1],[bzlib_h_found=0],[])
254 AC_CHECK_LIB(z,gzopen,[zlib_found=1],[zlib_found=0])
255 AC_CHECK_HEADERS([zlib.h],[zlib_h_found=1],[zlib_h_found=0],[])
256 if test $zlib_found -eq 1 -a $zlib_h_found -eq 1; then
257 AC_DEFINE([HAVE_ZLIB],[1],[Define if zlib library is available on this platform.])
258 AC_SUBST([HAVE_ZLIB],[1])
260 AC_SUBST([HAVE_ZLIB],[0])
262 if test $bzip2_found -eq 1 -a $bzlib_h_found -eq 1 ; then
263 AC_DEFINE([HAVE_BZIP2],[1],[Define if bzip2 library is available on this platform.])
264 AC_SUBST([HAVE_BZIP2],[1])
266 AC_SUBST([HAVE_BZIP2],[0])
268 dnl dlopen() is required for plugin support.
269 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]))
271 dnl mallinfo is optional; the code can compile (minus features) without it
272 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],[Define if mallinfo() is available on this platform.]))
274 dnl pthread locking functions are optional - but llvm will not be thread-safe
276 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],[Have pthread_mutex_lock]))
277 dnl AC_SUBST(HAVE_PTHREAD_MUTEX_LOCK)
279 dnl Checks for header files.
280 dnl We don't check for ancient stuff or things that are guaranteed to be there
281 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
285 dnl Checks for POSIX and other various system-specific header files
286 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)
288 dnl Check for things that need to be included in public headers, and so
289 dnl for which we may not have access to a HAVE_* preprocessor #define.
290 dnl (primarily used in DataTypes.h)
291 AC_CHECK_HEADER([sys/types.h])
292 AC_CHECK_HEADER([inttypes.h])
293 AC_CHECK_HEADER([stdint.h])
298 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
299 AC_CHECK_TYPES([uint64_t],,
300 AC_CHECK_TYPES([u_int64_t],,
301 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
305 dnl Check for various C features
308 dnl Check for the endianness of the target
309 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
311 dnl Check for C++ extensions
314 AC_CXX_HAVE_STD_ITERATOR
315 AC_CXX_HAVE_BI_ITERATOR
316 AC_CXX_HAVE_FWD_ITERATOR
321 dnl Checks for library functions.
324 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
326 AC_MSG_WARN([mmap() required but not found])
329 if test "$ac_cv_func_mmap_file" = "no"
331 AC_MSG_WARN([mmap() of files required but not found])
333 AC_HEADER_MMAP_ANONYMOUS
335 AC_CHECK_FUNCS(getcwd gettimeofday strdup strtoq strtoll backtrace isatty mkstemp getrusage)
336 AC_CHECK_FUNC(mprotect,,AC_MSG_ERROR([Function mprotect() required but not found]))
338 dnl Determine if the linker supports the -R option.
341 dnl --enable/--with command-line options:
342 dnl Check whether they want to do an optimized build:
343 AC_ARG_ENABLE(optimized,AS_HELP_STRING(--enable-optimized,Compile with optimizations enabled (default is NO)),,enableval=no)
344 if test ${enableval} = "no"
346 AC_SUBST(ENABLE_OPTIMIZED,[[]])
348 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
352 AC_ARG_ENABLE(jit,AS_HELP_STRING(--enable-jit,Enable Just In Time Compiling (default is YES)),,enableval=default)
353 if test ${enableval} = "no"
359 AC_SUBST(JIT,[[TARGET_HAS_JIT=1]])
362 AC_SUBST(JIT,[[TARGET_HAS_JIT=1]])
370 dnl Find the LLVM GCC-based C/C++ front end
371 AC_ARG_WITH(llvmgccdir,AS_HELP_STRING(--with-llvmgccdir,Location of LLVM GCC front-end),AC_SUBST(LLVMGCCDIR,[$withval]))
372 AC_MSG_CHECKING([for llvm-gcc])
374 if test -d "$LLVMGCCDIR"
376 if test -x "$LLVMGCCDIR/bin/gcc"
378 LLVM_GCC_CHECK="$LLVMGCCDIR/bin/gcc"
382 AC_MSG_RESULT($LLVM_GCC_CHECK)
383 if test "$LLVM_GCC_CHECK" = "no"
387 AC_MSG_CHECKING([whether llvm-gcc is sane])
389 if test -x "$LLVM_GCC_CHECK"
391 cp /dev/null conftest.c
392 "$LLVM_GCC_CHECK" -S -o - conftest.c | grep implementation > /dev/null 2>&1
398 llvmcc1path=`"$LLVM_GCC_CHECK" --print-prog-name=cc1`
399 AC_SUBST(LLVMCC1,$llvmcc1path)
400 llvmcc1pluspath=`"$LLVM_GCC_CHECK" --print-prog-name=cc1plus`
401 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
403 AC_MSG_RESULT($LLVM_GCC_SANE)
404 if test "$LLVM_GCC_SANE" = "no"
409 dnl Get libtool's idea of what the shared library suffix is.
410 dnl (This is a hack; it relies on undocumented behavior.)
411 AC_MSG_CHECKING([for shared library suffix])
412 eval "SHLIBEXT=$shrext_cmds"
413 AC_MSG_RESULT($SHLIBEXT)
414 dnl Propagate it to the Makefiles and config.h (for gccld & bugpoint).
415 AC_SUBST(SHLIBEXT,$SHLIBEXT)
416 AC_DEFINE_UNQUOTED(SHLIBEXT,"$SHLIBEXT",
417 [Extension that shared libraries have, e.g., ".so".])
419 # Translate the various configuration directories and other basic
420 # information into substitutions that will end up in config.h.in so
421 # that these configured values can be hard-wired into a program.
422 eval LLVM_PREFIX="${prefix}";
423 eval LLVM_BINDIR="${prefix}/bin";
424 eval LLVM_LIBDIR="${prefix}/lib";
425 eval LLVM_DATADIR="${prefix}/data";
426 eval LLVM_DOCSDIR="${prefix}/docs";
427 eval LLVM_ETCDIR="${prefix}/etc";
428 eval LLVM_INCLUDEDIR="${prefix}/include";
429 eval LLVM_INFODIR="${prefix}/info";
430 eval LLVM_MANDIR="${prefix}/man";
431 LLVM_CONFIGTIME=`date`
432 AC_SUBST(LLVM_PREFIX)
433 AC_SUBST(LLVM_BINDIR)
434 AC_SUBST(LLVM_LIBDIR)
435 AC_SUBST(LLVM_DATADIR)
436 AC_SUBST(LLVM_DOCSDIR)
437 AC_SUBST(LLVM_ETCDIR)
438 AC_SUBST(LLVM_INCLUDEDIR)
439 AC_SUBST(LLVM_INFODIR)
440 AC_SUBST(LLVM_MANDIR)
441 AC_SUBST(LLVM_CONFIGTIME)
442 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", [Installation prefix directory])
443 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", [Installation directory for binary executables])
444 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", [Installation directory for libraries])
445 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", [Installation directory for data files])
446 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DOCSDIR", [Installation directory for documentation])
447 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", [Installation directory for config files])
448 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", [Installation directory for include files])
449 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", [Installation directory for .info files])
450 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", [Installation directory for man pages])
451 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", [Time at which LLVM was configured])
453 dnl Create the output files
456 dnl Warn if we don't have a compression library
457 if test $bzip2_found -ne 1 ; then
458 if test $zlib_found -ne 1 ; then
459 AC_MSG_WARN([*** Neither zlib nor bzip2 compression libraries were found.])
460 AC_MSG_WARN([*** Bytecode archives will not support compression!])
461 AC_MSG_WARN([*** To correct, install the libraries and and re-run configure.])
465 dnl Warn loudly if llvm-gcc was not obviously working
466 if test $llvmgccwarn = yes
468 AC_MSG_WARN([***** llvm C/C++ front end was not found, or does not])
469 AC_MSG_WARN([***** appear to be working.])
470 AC_MSG_WARN([***** ])
471 AC_MSG_WARN([***** Please check configure's --with-llvmgccdir option.])
472 AC_MSG_WARN([***** Runtime libraries (in llvm/runtime) will not be built,])
473 AC_MSG_WARN([***** but you should be able to build the llvm tools.])