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 projects (${i})won't be configured automatically])
41 dnl Configure header files
42 AC_CONFIG_HEADERS(include/llvm/Config/config.h)
44 dnl Configure other output file
45 AC_CONFIG_FILES(Makefile.config
46 include/llvm/Support/DataTypes.h
47 include/llvm/Support/ThreadSupport.h
48 include/llvm/ADT/hash_map
49 include/llvm/ADT/hash_set
50 include/llvm/ADT/iterator)
52 dnl Do special configuration of Makefiles
53 AC_CONFIG_MAKEFILE(Makefile)
54 AC_CONFIG_MAKEFILE(Makefile.common)
55 AC_CONFIG_MAKEFILE(examples/Makefile)
56 AC_CONFIG_MAKEFILE(lib/Makefile)
57 AC_CONFIG_MAKEFILE(runtime/Makefile)
58 AC_CONFIG_MAKEFILE(test/Makefile)
59 AC_CONFIG_MAKEFILE(test/Makefile.tests)
60 AC_CONFIG_MAKEFILE(test/QMTest/llvm.py)
61 AC_CONFIG_MAKEFILE(test/QMTest/llvmdb.py)
62 AC_CONFIG_MAKEFILE(tools/Makefile)
63 AC_CONFIG_MAKEFILE(utils/Makefile)
64 AC_CONFIG_MAKEFILE(projects/Makefile)
66 dnl Find the install program (needs to be done before canonical stuff)
69 dnl Check which host for which we're compiling. This will tell us which LLVM
70 dnl compiler will be used for compiling SSA into object code.
73 dnl Set the "OS" Makefile variable based on the system we are building on.
74 dnl We will use the build machine information to set some variables.
76 AC_MSG_CHECKING([support for generic build operating system])
84 platform_type="Cygwin"
88 platform_type="Darwin"
92 platform_type="FreeBSD"
96 platform_type="Interix"
100 platform_type="Linux"
101 if test -d /home/vadve/lattner/local/x86/llvm-gcc
103 AC_SUBST(LLVMGCCDIR,[/home/vadve/lattner/local/x86/llvm-gcc/])
108 platform_type="SunOS"
109 if test -d /home/vadve/lattner/local/sparc/llvm-gcc
111 AC_SUBST(LLVMGCCDIR,[/home/vadve/lattner/local/sparc/llvm-gcc/])
116 platform_type="Win32"
120 platform_type="Win32"
123 AC_SUBST(OS,[Unknown])
124 platform_type="Unknown"
128 dnl Make sure we aren't attempting to configure for an unknown system
129 if test "$platform_type" = "Unknown" ; then
130 AC_MSG_ERROR([Platform is unknown, configure can't continue])
133 dnl Make a link from lib/System/platform to lib/System/$platform_type
134 dnl This helps the #inclusion of the system specific include files
135 dnl for the operating system abstraction library
136 AC_CONFIG_LINKS(lib/System/platform:lib/System/$platform_type)
139 AC_MSG_CHECKING(target architecture)
140 dnl If we are targetting a Sparc machine running Solaris, pretend that it is
141 dnl V9, since that is all that we support at the moment, and autoconf will only
142 dnl tell us we're a sparc.
144 sparc*-*-solaris*) AC_SUBST(target,[[sparcv9-sun-solaris2.8]])
148 dnl Determine what our target architecture is and configure accordingly.
149 dnl This will allow Makefiles to make a distinction between the hardware and
158 AC_SUBST(ARCH,[Sparc])
162 AC_SUBST(ARCH,[PowerPC])
166 AC_SUBST(ARCH,[Unknown])
172 dnl Check for compilation tools
175 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
176 if test "$GCC" != "yes"
178 AC_MSG_ERROR([gcc required but not found])
181 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
182 if test "$GXX" != "yes"
184 AC_MSG_ERROR([g++ required but not found])
187 dnl Verify that GCC is version 3.0 or higher
188 gccmajor=`$CC --version | head -n 1 | awk '{print $NF;}' | cut -d. -f1`
189 if test "$gccmajor" -lt "3"
191 AC_MSG_ERROR([gcc 3.x required, but you have a lower version])
194 dnl Check for GNU Make. We use its extensions too, so don't build without it
196 if test -z "$_cv_gnu_make_command"
198 AC_MSG_ERROR([GNU Make required but not found])
201 dnl Checks for other tools
206 dnl Checks for tools we can get away with not having:
207 AC_PATH_PROG(DOT,[dot],[true dot])
208 AC_PATH_PROG(ETAGS,[etags],[true etags])
209 dnl Check if we know how to tell etags we are using C++:
210 etags_version=`$ETAGS --version 2>&1`
211 case "$etags_version" in
212 *[Ee]xuberant*) ETAGSFLAGS="--language-force=c++" ;;
213 *GNU\ Emacs*) ETAGSFLAGS="-l c++" ;;
216 AC_SUBST(ETAGSFLAGS,$ETAGSFLAGS)
217 AC_PATH_PROG(PYTHON,[python],[true python])
218 if test "$PYTHON" = "false"
220 AC_MSG_WARN([Python is required for the test suite, but it was not found])
222 AC_PATH_PROG(QMTEST,[qmtest],[true qmtest])
223 if test "$QMTEST" = "false"
225 AC_MSG_WARN([QMTest is required for the test suite, but it was not found])
228 dnl Verify that the version of python available is high enough for qmtest
229 pyversion=`$PYTHON -V 2>&1 | cut -d\ -f2`
230 pymajor=`echo $pyversion | cut -d. -f1`
231 pyminor=`echo $pyversion | cut -d. -f2`
233 if test "$pymajor" -ge "2"
235 if test "$pymajor" -eq "2"
237 if test "$pyminor" -lt "2"
239 AC_MSG_WARN([QMTest requires Python 2.2 or later])
243 AC_MSG_WARN([QMTest requires Python 2.2 or later])
246 dnl Checks for libraries:
247 dnl libelf is for sparc only; we can ignore it if we don't have it
248 AC_CHECK_LIB(elf, elf_begin)
250 dnl dlopen() is required for plugin support.
251 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]))
253 dnl mallinfo is optional; the code can compile (minus features) without it
254 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],[Define if mallinfo() is available on this platform.]))
256 dnl pthread locking functions are optional - but llvm will not be thread-safe
258 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,HAVE_PTHREAD_MUTEX_LOCK=1,HAVE_PTHREAD_MUTEX_LOCK=0)
259 AC_SUBST(HAVE_PTHREAD_MUTEX_LOCK)
261 dnl Checks for header files.
262 dnl We don't check for ancient stuff or things that are guaranteed to be there
263 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
267 dnl Checks for POSIX and other various system-specific header files
268 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)
270 dnl Check for things that need to be included in public headers, and so
271 dnl for which we may not have access to a HAVE_* preprocessor #define.
272 dnl (primarily used in DataTypes.h)
273 AC_CHECK_HEADER([sys/types.h],
274 [INCLUDE_SYS_TYPES_H='#include <sys/types.h>'],
275 [INCLUDE_SYS_TYPES_H=''])
276 AC_SUBST(INCLUDE_SYS_TYPES_H)
277 AC_CHECK_HEADER([inttypes.h],
278 [INCLUDE_INTTYPES_H='#include <inttypes.h>'],
279 [INCLUDE_INTTYPES_H=''])
280 AC_SUBST(INCLUDE_INTTYPES_H)
281 AC_CHECK_HEADER([stdint.h],
282 [INCLUDE_STDINT_H='#include <stdint.h>'],
283 [INCLUDE_STDINT_H=''])
284 AC_SUBST(INCLUDE_STDINT_H)
290 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
291 AC_CHECK_TYPES([uint64_t],,
292 AC_CHECK_TYPES([u_int64_t],,
293 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
297 dnl Check for various C features
300 dnl Check for the endianness of the target
301 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
303 dnl Check for C++ extensions
306 AC_CXX_HAVE_STD_ITERATOR
307 AC_CXX_HAVE_BI_ITERATOR
308 AC_CXX_HAVE_FWD_ITERATOR
313 dnl Checks for library functions.
316 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
318 AC_MSG_WARN([mmap() required but not found])
321 if test "$ac_cv_func_mmap_file" = "no"
323 AC_MSG_WARN([mmap() of files required but not found])
325 AC_HEADER_MMAP_ANONYMOUS
327 AC_CHECK_FUNCS(getcwd gettimeofday strdup strtoq strtoll backtrace isatty mkstemp getrusage)
328 AC_CHECK_FUNC(mprotect,,AC_MSG_ERROR([Function mprotect() required but not found]))
330 dnl Determine if the linker supports the -R option.
333 dnl --enable/--with command-line options:
334 dnl Check whether they want to do an optimized build:
335 AC_ARG_ENABLE(optimized,AS_HELP_STRING(--enable-optimized,Compile with optimizations enabled (default is NO)),,enableval=no)
336 if test ${enableval} = "no"
338 AC_SUBST(ENABLE_OPTIMIZED,[[]])
340 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
344 AC_ARG_ENABLE(jit,AS_HELP_STRING(--enable-jit,Enable Just In Time Compiling (default is YES)),,enableval=default)
345 if test ${enableval} = "no"
351 AC_SUBST(JIT,[[TARGET_HAS_JIT=1]])
354 AC_SUBST(JIT,[[TARGET_HAS_JIT=1]])
362 dnl Find the LLVM GCC-based C/C++ front end
363 AC_ARG_WITH(llvmgccdir,AS_HELP_STRING(--with-llvmgccdir,Location of LLVM GCC front-end),AC_SUBST(LLVMGCCDIR,[$withval]))
364 AC_MSG_CHECKING([for llvm-gcc])
366 if test -d "$LLVMGCCDIR"
368 if test -x "$LLVMGCCDIR/bin/gcc"
370 LLVM_GCC_CHECK="$LLVMGCCDIR/bin/gcc"
374 AC_MSG_RESULT($LLVM_GCC_CHECK)
375 if test "$LLVM_GCC_CHECK" = "no"
379 AC_MSG_CHECKING([whether llvm-gcc is sane])
381 if test -x "$LLVM_GCC_CHECK"
383 cp /dev/null conftest.c
384 "$LLVM_GCC_CHECK" -S -o - conftest.c | grep implementation > /dev/null 2>&1
390 llvmcc1path=`"$LLVM_GCC_CHECK" --print-prog-name=cc1`
391 AC_SUBST(LLVMCC1,$llvmcc1path)
392 llvmcc1pluspath=`"$LLVM_GCC_CHECK" --print-prog-name=cc1plus`
393 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
395 AC_MSG_RESULT($LLVM_GCC_SANE)
396 if test "$LLVM_GCC_SANE" = "no"
401 dnl Get libtool's idea of what the shared library suffix is.
402 dnl (This is a hack; it relies on undocumented behavior.)
403 AC_MSG_CHECKING([for shared library suffix])
404 eval "SHLIBEXT=$shrext_cmds"
405 AC_MSG_RESULT($SHLIBEXT)
406 dnl Propagate it to the Makefiles and config.h (for gccld & bugpoint).
407 AC_SUBST(SHLIBEXT,$SHLIBEXT)
408 AC_DEFINE_UNQUOTED(SHLIBEXT,"$SHLIBEXT",
409 [Extension that shared libraries have, e.g., ".so".])
411 # Translate the various configuration directories and other basic
412 # information into substitutions that will end up in config.h.in so
413 # that these configured values can be hard-wired into a program.
414 eval LLVM_PREFIX="${prefix}";
415 eval LLVM_BINDIR="${prefix}/bin";
416 eval LLVM_LIBDIR="${prefix}/lib";
417 eval LLVM_DATADIR="${prefix}/data";
418 eval LLVM_DOCSDIR="${prefix}/docs";
419 eval LLVM_ETCDIR="${prefix}/etc";
420 eval LLVM_INCLUDEDIR="${prefix}/include";
421 eval LLVM_INFODIR="${prefix}/info";
422 eval LLVM_MANDIR="${prefix}/man";
423 LLVM_CONFIGTIME=`date`
424 AC_SUBST(LLVM_PREFIX)
425 AC_SUBST(LLVM_BINDIR)
426 AC_SUBST(LLVM_LIBDIR)
427 AC_SUBST(LLVM_DATADIR)
428 AC_SUBST(LLVM_DOCSDIR)
429 AC_SUBST(LLVM_ETCDIR)
430 AC_SUBST(LLVM_INCLUDEDIR)
431 AC_SUBST(LLVM_INFODIR)
432 AC_SUBST(LLVM_MANDIR)
433 AC_SUBST(LLVM_CONFIGTIME)
434 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", [Installation prefix directory])
435 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", [Installation directory for binary executables])
436 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", [Installation directory for libraries])
437 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", [Installation directory for data files])
438 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DOCSDIR", [Installation directory for documentation])
439 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", [Installation directory for config files])
440 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", [Installation directory for include files])
441 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", [Installation directory for .info files])
442 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", [Installation directory for man pages])
443 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", [Time at which LLVM was configured])
445 dnl Create the output files
448 dnl Warn loudly if llvm-gcc was not obviously working
449 if test $llvmgccwarn = yes
451 AC_MSG_WARN([***** llvm C/C++ front end was not found, or does not])
452 AC_MSG_WARN([***** appear to be working.])
453 AC_MSG_WARN([***** ])
454 AC_MSG_WARN([***** Please check configure's --with-llvmgccdir option.])
455 AC_MSG_WARN([***** Runtime libraries (in llvm/runtime) will not be built,])
456 AC_MSG_WARN([***** but you should be able to build the llvm tools.])