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 "llvm-java") AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
32 "llvm-tv") AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
33 "llvm-fefw") AC_CONFIG_SUBDIRS([projects/llvm-fefw]) ;;
34 *) AC_CONFIG_SUBDIRS(${i}) ;;
39 dnl Configure header files
40 AC_CONFIG_HEADERS(include/llvm/Config/config.h)
42 dnl Configure other output file
43 AC_CONFIG_FILES(Makefile.config
44 include/llvm/Support/DataTypes.h
45 include/llvm/Support/ThreadSupport.h
46 include/llvm/ADT/hash_map
47 include/llvm/ADT/hash_set
48 include/llvm/ADT/iterator)
50 dnl Do special configuration of Makefiles
51 AC_CONFIG_MAKEFILE(Makefile)
52 AC_CONFIG_MAKEFILE(Makefile.common)
53 AC_CONFIG_MAKEFILE(examples/Makefile)
54 AC_CONFIG_MAKEFILE(lib/Makefile)
55 AC_CONFIG_MAKEFILE(runtime/Makefile)
56 AC_CONFIG_MAKEFILE(test/Makefile)
57 AC_CONFIG_MAKEFILE(test/Makefile.tests)
58 AC_CONFIG_MAKEFILE(test/QMTest/llvm.py)
59 AC_CONFIG_MAKEFILE(test/QMTest/llvmdb.py)
60 AC_CONFIG_MAKEFILE(tools/Makefile)
61 AC_CONFIG_MAKEFILE(utils/Makefile)
62 AC_CONFIG_MAKEFILE(projects/Makefile)
64 dnl Find the install program (needs to be done before canonical stuff)
67 dnl Check which host for which we're compiling. This will tell us which LLVM
68 dnl compiler will be used for compiling SSA into object code.
71 dnl Set the "OS" Makefile variable based on the system we are building on.
72 dnl We will use the build machine information to set some variables.
74 AC_MSG_CHECKING([support for generic build operating system])
82 platform_type="Cygwin"
86 platform_type="Darwin"
90 platform_type="FreeBSD"
94 platform_type="Interix"
99 if test -d /home/vadve/lattner/local/x86/llvm-gcc
101 AC_SUBST(LLVMGCCDIR,[/home/vadve/lattner/local/x86/llvm-gcc/])
106 platform_type="SunOS"
107 if test -d /home/vadve/lattner/local/sparc/llvm-gcc
109 AC_SUBST(LLVMGCCDIR,[/home/vadve/lattner/local/sparc/llvm-gcc/])
114 platform_type="Win32"
118 platform_type="Win32"
121 AC_SUBST(OS,[Unknown])
122 platform_type="Unknown"
126 dnl Make sure we aren't attempting to configure for an unknown system
127 if test "$platform_type" = "Unknown" ; then
128 AC_MSG_ERROR([Platform is unknown, configure can't continue])
131 dnl Make a link from lib/System/platform to lib/System/$platform_type
132 dnl This helps the #inclusion of the system specific include files
133 dnl for the operating system abstraction library
134 AC_CONFIG_LINKS(lib/System/platform:lib/System/$platform_type)
137 AC_MSG_CHECKING(target architecture)
138 dnl If we are targetting a Sparc machine running Solaris, pretend that it is
139 dnl V9, since that is all that we support at the moment, and autoconf will only
140 dnl tell us we're a sparc.
142 sparc*-*-solaris*) AC_SUBST(target,[[sparcv9-sun-solaris2.8]])
146 dnl Determine what our target architecture is and configure accordingly.
147 dnl This will allow Makefiles to make a distinction between the hardware and
156 AC_SUBST(ARCH,[Sparc])
160 AC_SUBST(ARCH,[PowerPC])
164 AC_SUBST(ARCH,[Unknown])
170 dnl Check for compilation tools
173 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
174 if test "$GCC" != "yes"
176 AC_MSG_ERROR([gcc required but not found])
179 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
180 if test "$GXX" != "yes"
182 AC_MSG_ERROR([g++ required but not found])
185 dnl Verify that GCC is version 3.0 or higher
186 gccmajor=`$CC --version | head -n 1 | awk '{print $NF;}' | cut -d. -f1`
187 if test "$gccmajor" -lt "3"
189 AC_MSG_ERROR([gcc 3.x required, but you have a lower version])
192 dnl Check for GNU Make. We use its extensions too, so don't build without it
194 if test -z "$_cv_gnu_make_command"
196 AC_MSG_ERROR([GNU Make required but not found])
199 dnl Checks for other tools
204 dnl Checks for tools we can get away with not having:
205 AC_PATH_PROG(DOT,[dot],[true dot])
206 AC_PATH_PROG(ETAGS,[etags],[true etags])
207 dnl Check if we know how to tell etags we are using C++:
208 etags_version=`$ETAGS --version 2>&1`
209 case "$etags_version" in
210 *[Ee]xuberant*) ETAGSFLAGS="--language-force=c++" ;;
211 *GNU\ Emacs*) ETAGSFLAGS="-l c++" ;;
214 AC_SUBST(ETAGSFLAGS,$ETAGSFLAGS)
215 AC_PATH_PROG(PYTHON,[python],[true python])
216 if test "$PYTHON" = "false"
218 AC_MSG_WARN([Python is required for the test suite, but it was not found])
220 AC_PATH_PROG(QMTEST,[qmtest],[true qmtest])
221 if test "$QMTEST" = "false"
223 AC_MSG_WARN([QMTest is required for the test suite, but it was not found])
226 dnl Verify that the version of python available is high enough for qmtest
227 pyversion=`$PYTHON -V 2>&1 | cut -d\ -f2`
228 pymajor=`echo $pyversion | cut -d. -f1`
229 pyminor=`echo $pyversion | cut -d. -f2`
231 if test "$pymajor" -ge "2"
233 if test "$pymajor" -eq "2"
235 if test "$pyminor" -lt "2"
237 AC_MSG_WARN([QMTest requires Python 2.2 or later])
241 AC_MSG_WARN([QMTest requires Python 2.2 or later])
244 dnl Checks for libraries:
245 dnl libelf is for sparc only; we can ignore it if we don't have it
246 AC_CHECK_LIB(elf, elf_begin)
248 dnl dlopen() is required for plugin support.
249 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]))
251 dnl mallinfo is optional; the code can compile (minus features) without it
252 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],[Define if mallinfo() is available on this platform.]))
254 dnl pthread locking functions are optional - but llvm will not be thread-safe
256 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,HAVE_PTHREAD_MUTEX_LOCK=1,HAVE_PTHREAD_MUTEX_LOCK=0)
257 AC_SUBST(HAVE_PTHREAD_MUTEX_LOCK)
259 dnl Checks for header files.
260 dnl We don't check for ancient stuff or things that are guaranteed to be there
261 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
265 dnl Checks for POSIX and other various system-specific header files
266 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)
268 dnl Check for things that need to be included in public headers, and so
269 dnl for which we may not have access to a HAVE_* preprocessor #define.
270 dnl (primarily used in DataTypes.h)
271 AC_CHECK_HEADER([sys/types.h],
272 [INCLUDE_SYS_TYPES_H='#include <sys/types.h>'],
273 [INCLUDE_SYS_TYPES_H=''])
274 AC_SUBST(INCLUDE_SYS_TYPES_H)
275 AC_CHECK_HEADER([inttypes.h],
276 [INCLUDE_INTTYPES_H='#include <inttypes.h>'],
277 [INCLUDE_INTTYPES_H=''])
278 AC_SUBST(INCLUDE_INTTYPES_H)
279 AC_CHECK_HEADER([stdint.h],
280 [INCLUDE_STDINT_H='#include <stdint.h>'],
281 [INCLUDE_STDINT_H=''])
282 AC_SUBST(INCLUDE_STDINT_H)
288 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
289 AC_CHECK_TYPES([uint64_t],,
290 AC_CHECK_TYPES([u_int64_t],,
291 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
295 dnl Check for various C features
298 dnl Check for the endianness of the target
299 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
301 dnl Check for C++ extensions
304 AC_CXX_HAVE_STD_ITERATOR
305 AC_CXX_HAVE_BI_ITERATOR
306 AC_CXX_HAVE_FWD_ITERATOR
311 dnl Checks for library functions.
314 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
316 AC_MSG_WARN([mmap() required but not found])
319 if test "$ac_cv_func_mmap_file" = "no"
321 AC_MSG_WARN([mmap() of files required but not found])
323 AC_HEADER_MMAP_ANONYMOUS
325 AC_CHECK_FUNCS(getcwd gettimeofday strdup strtoq strtoll backtrace isatty mkstemp getrusage)
326 AC_CHECK_FUNC(mprotect,,AC_MSG_ERROR([Function mprotect() required but not found]))
328 dnl Determine if the linker supports the -R option.
331 dnl --enable/--with command-line options:
332 dnl Check whether they want to do an optimized build:
333 AC_ARG_ENABLE(optimized,AS_HELP_STRING(--enable-optimized,Compile with optimizations enabled (default is NO)),,enableval=no)
334 if test ${enableval} = "no"
336 AC_SUBST(ENABLE_OPTIMIZED,[[]])
338 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
342 AC_ARG_ENABLE(jit,AS_HELP_STRING(--enable-jit,Enable Just In Time Compiling (default is YES)),,enableval=default)
343 if test ${enableval} = "no"
349 AC_SUBST(JIT,[[TARGET_HAS_JIT=1]])
352 AC_SUBST(JIT,[[TARGET_HAS_JIT=1]])
360 dnl Find the LLVM GCC-based C/C++ front end
361 AC_ARG_WITH(llvmgccdir,AS_HELP_STRING(--with-llvmgccdir,Location of LLVM GCC front-end),AC_SUBST(LLVMGCCDIR,[$withval]))
362 AC_MSG_CHECKING([for llvm-gcc])
364 if test -d "$LLVMGCCDIR"
366 if test -x "$LLVMGCCDIR/bin/gcc"
368 LLVM_GCC_CHECK="$LLVMGCCDIR/bin/gcc"
372 AC_MSG_RESULT($LLVM_GCC_CHECK)
373 if test "$LLVM_GCC_CHECK" = "no"
377 AC_MSG_CHECKING([whether llvm-gcc is sane])
379 if test -x "$LLVM_GCC_CHECK"
381 cp /dev/null conftest.c
382 "$LLVM_GCC_CHECK" -S -o - conftest.c | grep implementation > /dev/null 2>&1
388 llvmcc1path=`"$LLVM_GCC_CHECK" --print-prog-name=cc1`
389 AC_SUBST(LLVMCC1,$llvmcc1path)
390 llvmcc1pluspath=`"$LLVM_GCC_CHECK" --print-prog-name=cc1plus`
391 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
393 AC_MSG_RESULT($LLVM_GCC_SANE)
394 if test "$LLVM_GCC_SANE" = "no"
399 dnl Get libtool's idea of what the shared library suffix is.
400 dnl (This is a hack; it relies on undocumented behavior.)
401 AC_MSG_CHECKING([for shared library suffix])
402 eval "SHLIBEXT=$shrext"
403 AC_MSG_RESULT($SHLIBEXT)
404 dnl Propagate it to the Makefiles and config.h (for gccld & bugpoint).
405 AC_SUBST(SHLIBEXT,$SHLIBEXT)
406 AC_DEFINE_UNQUOTED(SHLIBEXT,"$SHLIBEXT",
407 [Extension that shared libraries have, e.g., ".so".])
409 # Translate the various configuration directories and other basic
410 # information into substitutions that will end up in config.h.in so
411 # that these configured values can be hard-wired into a program.
412 eval LLVM_PREFIX="${prefix}";
413 eval LLVM_BINDIR="${prefix}/bin";
414 eval LLVM_LIBDIR="${prefix}/lib";
415 eval LLVM_DATADIR="${prefix}/data";
416 eval LLVM_DOCSDIR="${prefix}/docs";
417 eval LLVM_ETCDIR="${prefix}/etc";
418 eval LLVM_INCLUDEDIR="${prefix}/include";
419 eval LLVM_INFODIR="${prefix}/info";
420 eval LLVM_MANDIR="${prefix}/man";
421 LLVM_CONFIGTIME=`date`
422 AC_SUBST(LLVM_PREFIX)
423 AC_SUBST(LLVM_BINDIR)
424 AC_SUBST(LLVM_LIBDIR)
425 AC_SUBST(LLVM_DATADIR)
426 AC_SUBST(LLVM_DOCSDIR)
427 AC_SUBST(LLVM_ETCDIR)
428 AC_SUBST(LLVM_INCLUDEDIR)
429 AC_SUBST(LLVM_INFODIR)
430 AC_SUBST(LLVM_MANDIR)
431 AC_SUBST(LLVM_CONFIGTIME)
432 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", [Installation prefix directory])
433 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", [Installation directory for binary executables])
434 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", [Installation directory for libraries])
435 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", [Installation directory for data files])
436 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DOCSDIR", [Installation directory for documentation])
437 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", [Installation directory for config files])
438 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", [Installation directory for include files])
439 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", [Installation directory for .info files])
440 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", [Installation directory for man pages])
441 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", [Time at which LLVM was configured])
443 dnl Create the output files
446 dnl Warn loudly if llvm-gcc was not obviously working
447 if test $llvmgccwarn = yes
449 AC_MSG_WARN([***** llvm C/C++ front end was not found, or does not])
450 AC_MSG_WARN([***** appear to be working.])
451 AC_MSG_WARN([***** ])
452 AC_MSG_WARN([***** Please check configure's --with-llvmgccdir option.])
453 AC_MSG_WARN([***** Runtime libraries (in llvm/runtime) will not be built,])
454 AC_MSG_WARN([***** but you should be able to build the llvm tools.])