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(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 Check for bzip2 and zlib compression libraries needed for archive reading/writing
251 AC_CHECK_LIB(bz2,BZ2_bzCompressInit,[bzip2_found=1],[bzip2_found=0])
252 AC_CHECK_HEADERS([bzlib.h],[bzlib_h_found=1],[bzlib_h_found=0],[])
253 AC_CHECK_LIB(z,gzopen,[zlib_found=1],[zlib_found=0])
254 AC_CHECK_HEADERS([zlib.h],[zlib_h_found=1],[zlib_h_found=0],[])
255 if test $zlib_found -eq 1 -a $zlib_h_found -eq 1; then
256 AC_DEFINE([HAVE_ZLIB],[1],[Define if zlib library is available on this platform.])
257 AC_SUBST([HAVE_ZLIB],[1])
259 AC_SUBST([HAVE_ZLIB],[0])
261 if test $bzip2_found -eq 1 -a $bzlib_h_found -eq 1 ; then
262 AC_DEFINE([HAVE_BZIP2],[1],[Define if bzip2 library is available on this platform.])
263 AC_SUBST([HAVE_BZIP2],[1])
265 AC_SUBST([HAVE_BZIP2],[0])
267 dnl dlopen() is required for plugin support.
268 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]))
270 dnl mallinfo is optional; the code can compile (minus features) without it
271 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],[Define if mallinfo() is available on this platform.]))
273 dnl pthread locking functions are optional - but llvm will not be thread-safe
275 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],[Have pthread_mutex_lock]))
276 dnl AC_SUBST(HAVE_PTHREAD_MUTEX_LOCK)
278 dnl Checks for header files.
279 dnl We don't check for ancient stuff or things that are guaranteed to be there
280 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
284 dnl Checks for POSIX and other various system-specific header files
285 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)
287 dnl Check for things that need to be included in public headers, and so
288 dnl for which we may not have access to a HAVE_* preprocessor #define.
289 dnl (primarily used in DataTypes.h)
290 AC_CHECK_HEADER([sys/types.h])
291 AC_CHECK_HEADER([inttypes.h])
292 AC_CHECK_HEADER([stdint.h])
297 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
298 AC_CHECK_TYPES([uint64_t],,
299 AC_CHECK_TYPES([u_int64_t],,
300 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
304 dnl Check for various C features
307 dnl Check for the endianness of the target
308 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
310 dnl Check for C++ extensions
313 AC_CXX_HAVE_STD_ITERATOR
314 AC_CXX_HAVE_BI_ITERATOR
315 AC_CXX_HAVE_FWD_ITERATOR
320 dnl Checks for library functions.
323 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
325 AC_MSG_WARN([mmap() required but not found])
328 if test "$ac_cv_func_mmap_file" = "no"
330 AC_MSG_WARN([mmap() of files required but not found])
332 AC_HEADER_MMAP_ANONYMOUS
334 AC_CHECK_FUNCS(getcwd gettimeofday strdup strtoq strtoll backtrace isatty mkstemp getrusage)
335 AC_CHECK_FUNC(mprotect,,AC_MSG_ERROR([Function mprotect() required but not found]))
337 dnl Determine if the linker supports the -R option.
340 dnl --enable/--with command-line options:
341 dnl Check whether they want to do an optimized build:
342 AC_ARG_ENABLE(optimized,AS_HELP_STRING(--enable-optimized,Compile with optimizations enabled (default is NO)),,enableval=no)
343 if test ${enableval} = "no"
345 AC_SUBST(ENABLE_OPTIMIZED,[[]])
347 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
351 AC_ARG_ENABLE(jit,AS_HELP_STRING(--enable-jit,Enable Just In Time Compiling (default is YES)),,enableval=default)
352 if test ${enableval} = "no"
358 AC_SUBST(JIT,[[TARGET_HAS_JIT=1]])
361 AC_SUBST(JIT,[[TARGET_HAS_JIT=1]])
369 dnl Find the LLVM GCC-based C/C++ front end
370 AC_ARG_WITH(llvmgccdir,AS_HELP_STRING(--with-llvmgccdir,Location of LLVM GCC front-end),AC_SUBST(LLVMGCCDIR,[$withval]))
371 AC_MSG_CHECKING([for llvm-gcc])
373 if test -d "$LLVMGCCDIR"
375 if test -x "$LLVMGCCDIR/bin/gcc"
377 LLVM_GCC_CHECK="$LLVMGCCDIR/bin/gcc"
381 AC_MSG_RESULT($LLVM_GCC_CHECK)
382 if test "$LLVM_GCC_CHECK" = "no"
386 AC_MSG_CHECKING([whether llvm-gcc is sane])
388 if test -x "$LLVM_GCC_CHECK"
390 cp /dev/null conftest.c
391 "$LLVM_GCC_CHECK" -S -o - conftest.c | grep implementation > /dev/null 2>&1
397 llvmcc1path=`"$LLVM_GCC_CHECK" --print-prog-name=cc1`
398 AC_SUBST(LLVMCC1,$llvmcc1path)
399 llvmcc1pluspath=`"$LLVM_GCC_CHECK" --print-prog-name=cc1plus`
400 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
402 AC_MSG_RESULT($LLVM_GCC_SANE)
403 if test "$LLVM_GCC_SANE" = "no"
408 dnl Get libtool's idea of what the shared library suffix is.
409 dnl (This is a hack; it relies on undocumented behavior.)
410 AC_MSG_CHECKING([for shared library suffix])
411 eval "SHLIBEXT=$shrext_cmds"
412 AC_MSG_RESULT($SHLIBEXT)
413 dnl Propagate it to the Makefiles and config.h (for gccld & bugpoint).
414 AC_SUBST(SHLIBEXT,$SHLIBEXT)
415 AC_DEFINE_UNQUOTED(SHLIBEXT,"$SHLIBEXT",
416 [Extension that shared libraries have, e.g., ".so".])
418 # Translate the various configuration directories and other basic
419 # information into substitutions that will end up in config.h.in so
420 # that these configured values can be hard-wired into a program.
421 eval LLVM_PREFIX="${prefix}";
422 eval LLVM_BINDIR="${prefix}/bin";
423 eval LLVM_LIBDIR="${prefix}/lib";
424 eval LLVM_DATADIR="${prefix}/data";
425 eval LLVM_DOCSDIR="${prefix}/docs";
426 eval LLVM_ETCDIR="${prefix}/etc";
427 eval LLVM_INCLUDEDIR="${prefix}/include";
428 eval LLVM_INFODIR="${prefix}/info";
429 eval LLVM_MANDIR="${prefix}/man";
430 LLVM_CONFIGTIME=`date`
431 AC_SUBST(LLVM_PREFIX)
432 AC_SUBST(LLVM_BINDIR)
433 AC_SUBST(LLVM_LIBDIR)
434 AC_SUBST(LLVM_DATADIR)
435 AC_SUBST(LLVM_DOCSDIR)
436 AC_SUBST(LLVM_ETCDIR)
437 AC_SUBST(LLVM_INCLUDEDIR)
438 AC_SUBST(LLVM_INFODIR)
439 AC_SUBST(LLVM_MANDIR)
440 AC_SUBST(LLVM_CONFIGTIME)
441 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", [Installation prefix directory])
442 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", [Installation directory for binary executables])
443 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", [Installation directory for libraries])
444 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", [Installation directory for data files])
445 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DOCSDIR", [Installation directory for documentation])
446 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", [Installation directory for config files])
447 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", [Installation directory for include files])
448 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", [Installation directory for .info files])
449 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", [Installation directory for man pages])
450 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", [Time at which LLVM was configured])
452 dnl Create the output files
455 dnl Warn if we don't have a compression library
456 if test $bzip2_found -ne 1 ; then
457 if test $zlib_found -ne 1 ; then
458 AC_MSG_WARN([*** Neither zlib nor bzip2 compression libraries were found.])
459 AC_MSG_WARN([*** Bytecode archives will not support compression!])
460 AC_MSG_WARN([*** To correct, install the libraries and and re-run configure.])
464 dnl Warn loudly if llvm-gcc was not obviously working
465 if test $llvmgccwarn = yes
467 AC_MSG_WARN([***** llvm C/C++ front end was not found, or does not])
468 AC_MSG_WARN([***** appear to be working.])
469 AC_MSG_WARN([***** ])
470 AC_MSG_WARN([***** Please check configure's --with-llvmgccdir option.])
471 AC_MSG_WARN([***** Runtime libraries (in llvm/runtime) will not be built,])
472 AC_MSG_WARN([***** but you should be able to build the llvm tools.])