1 dnl Process this with autoconf to create configure
2 AC_INIT(java/lang/System.java)
4 dnl Can't be done in LIBGCJ_CONFIGURE because that confuses automake.
9 dnl We use these options to decide which functions to include.
10 AC_ARG_WITH(target-subdir,
11 [ --with-target-subdir=SUBDIR
12 configuring in a subdirectory])
13 AC_ARG_WITH(cross-host,
14 [ --with-cross-host=HOST configuring with a cross compiler])
18 AM_CONFIG_HEADER(include/config.h)
22 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
29 dnl The -no-testsuite modules omit the test subdir.
30 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
32 dnl See whether the user prefers size or speed for Character.
33 dnl The default is size.
34 AC_ARG_ENABLE(fast-character,
35 [ --enable-fast-character prefer speed over size for Character],
37 , AC_DEFINE(COMPACT_CHARACTER))
39 dnl See if the user has requested runtime debugging.
40 AC_ARG_ENABLE(libgcj-debug,
41 [ --enable-libgcj-debug enable runtime debugging code],
42 if test "$enable_libgcj_debug" = yes; then
46 dnl See if the user has the enterpreter included.
47 AC_ARG_ENABLE(interpreter,
48 [ --enable-interpreter enable interpreter],
49 if test "$enable_interpreter" = yes; then
50 AC_DEFINE(INTERPRETER)
53 dnl If the target is an eCos system, use the appropriate eCos
55 dnl FIXME: this should not be a local option but a global target
56 dnl system; at present there is no eCos target.
59 [ --with-ecos enable runtime eCos target support],
60 TARGET_ECOS="$with_ecos"
63 case "$TARGET_ECOS" in
65 FILE_DESCRIPTOR=natFileDescriptorPosix.cc
66 PROCESS=${PROCESS-Posix}
69 FILE_DESCRIPTOR=natFileDescriptorEcos.cc
75 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
76 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
77 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
78 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
81 dnl These may not be defined in a non-ANS conformant embedded system.
82 dnl FIXME: Should these case a runtime exception in that case?
83 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
84 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
86 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
87 dnl to create the link will fail.
88 test -d java || mkdir java
89 test -d java/io || mkdir java/io
90 AC_LINK_FILES(java/io/$FILE_DESCRIPTOR, java/io/natFileDescriptor.cc)
92 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
93 test -d java/lang || mkdir java/lang
94 AC_LINK_FILES(java/lang/${PROCESS}Process.java, java/lang/ConcreteProcess.java)
95 AC_LINK_FILES(java/lang/nat${PROCESS}Process.cc, java/lang/natConcreteProcess.cc)
100 AC_ARG_WITH(system-zlib,
101 [ --with-system-zlib use installed libz])
105 dnl FIXME: this should be _libs on some hosts.
108 dnl Allow the GC to be disabled. Can be useful when debugging.
109 AC_MSG_CHECKING([for garbage collector to use])
110 AC_ARG_ENABLE(java-gc,
111 changequote(<<,>>)dnl
112 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
124 GCDEPS='$(top_builddir)/../boehm-gc/libgcjgc.la'
125 # We include the path to the boehm-gc build directory.
126 # See Makefile.am to understand why.
127 GCLIBS="$GCDEPS -L\$(here)/../boehm-gc/$libsubdir"
128 GCINCS='-I$(top_srcdir)/../boehm-gc -I$(top_builddir)/../boehm-gc'
130 dnl We also want to pick up some cpp flags required when including
131 dnl boehm-config.h. Yuck.
132 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
135 dnl The POSIX thread support needs to know this.
136 AC_DEFINE(HAVE_BOEHM_GC)
144 AC_MSG_ERROR(unrecognized collector \"$GC\")
152 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
155 dnl Note that this code is kept in sync with similar code in gcc/configure.in.
156 dnl In particular both packages must make the same decision about which
157 dnl thread package to use.
158 AC_MSG_CHECKING([for threads package to use])
159 AC_ARG_ENABLE(threads, [ --enable-threads=TYPE choose threading package],
161 dnl FIXME: figure out native threads to use here.
164 if test "$THREADS" = yes; then
170 # FIXME: this isn't correct in all cases.
177 # FIXME: for now, choose POSIX, because we implement that.
178 # Later, choose irix threads.
182 # FIXME: for now, choose POSIX, because we implement that.
183 # Later, choose solaris threads.
201 AC_DEFINE(LINUX_THREADS)
207 decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
208 AC_MSG_ERROR(thread package $THREADS not yet supported)
211 AC_MSG_ERROR($THREADS is an unknown thread package)
214 AC_MSG_RESULT($THREADS)
226 THREADOBJS=posix-threads.lo
227 THREADH=posix-threads.h
228 # MIT pthreads doesn't seem to have the mutexattr functions.
229 # But for now we don't check for it. We just assume you aren't
230 # using MIT pthreads.
231 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
235 THREADDEPS='$(top_builddir)/../qthreads/libgcjcoop.la'
236 # We include the path to the qthreads build directory.
237 # See Makefile.am to understand why.
238 THREADLIBS="$THREADDEPS -L\$(here)/../qthreads/$libsubdir"
239 THREADSPEC='-lgcjcoop'
240 THREADOBJS=quick-threads.lo
241 THREADINCS='-I$(top_srcdir)/../qthreads'
242 THREADH=quick-threads.h
246 THREADOBJS=no-threads.lo
250 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
257 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
262 # Find eh-common.h and support headers. If we're in the tree with
263 # gcc, then look there. Otherwise look in compat-include. If all else
264 # fails, just hope the user has set things up somehow.
265 if test -r $srcdir/../gcc/eh-common.h; then
266 EH_COMMON_INCLUDE='-I$(top_srcdir)/../gcc -I$(top_srcdir)/../include'
268 if test -d $srcdir/../compat-include; then
269 EH_COMMON_INCLUDE='-I$(top_srcdir)/../compat-include'
275 if test -n "${with_cross_host}"; then
276 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
277 # may not work correctly, because the compiler may not be able to
280 # We assume newlib. This lets us hard-code the functions we know
282 AC_DEFINE(HAVE_MEMMOVE)
283 AC_DEFINE(HAVE_MEMCPY)
284 AC_DEFINE(HAVE_STRERROR)
285 AC_DEFINE(HAVE_GMTIME_R)
286 AC_DEFINE(HAVE_LOCALTIME_R)
287 dnl This is only for POSIX threads.
288 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
289 dnl We also assume we are using gcc, which provides alloca.
290 AC_DEFINE(HAVE_ALLOCA)
294 # If Canadian cross, then don't pick up tools from the build
296 if test "$build" != "$with_cross_host"; then
299 GCJ="${target_alias}/gcj"
304 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep)
305 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r)
306 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath)
307 AC_CHECK_FUNCS(inet_aton inet_addr, break)
308 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
310 AC_CHECK_FUNCS(gethostbyname_r, [
311 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
312 # There are two different kinds of gethostbyname_r.
313 # We look for the one that returns `int'.
314 # Hopefully this check is robust enough.
315 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
316 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
319 *" -D_REENTRANT "*) ;;
321 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
322 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
323 [libjava_cv_gethostbyname_r_needs_reentrant],
326 AC_TRY_COMPILE([#include <netdb.h>],
327 [gethostbyname_r("", 0, 0);],
328 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
329 CPPFLAGS_SAVE="$CPPFLAGS"
330 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
331 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
332 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
333 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
334 CPPFLAGS="$CPPFLAGS_SAVE"
338 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
339 AC_DEFINE(GETHOSTBYNAME_R_NEEDS_REENTRANT, 1, [Define if gethostbyname_r is only declared if _REENTRANT is defined])
344 AC_CACHE_CHECK([for struct hostent_data],
345 [libjava_cv_struct_hostent_data], [dnl
347 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
348 # define _REENTRANT 1
350 #include <netdb.h>], [struct hostent_data data;],
351 [libjava_cv_struct_hostent_data=yes],
352 [libjava_cv_struct_hostent_data=no])])
353 if test "x$libjava_cv_struct_hostent_data" = xyes; then
354 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
355 [Define if struct hostent_data is defined in netdb.h])
359 AC_CHECK_FUNCS(gethostbyaddr_r, [
360 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
361 # There are two different kinds of gethostbyaddr_r.
362 # We look for the one that returns `int'.
363 # Hopefully this check is robust enough.
364 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
365 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])
367 AC_CHECK_FUNCS(gethostname, [
368 AC_DEFINE(HAVE_GETHOSTNAME)
369 AC_EGREP_HEADER(gethostname, unistd.h, [
370 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
372 # Look for these functions in the thread library, but only bother
373 # if using POSIX threads.
374 if test "$THREADS" = posix; then
376 LIBS="$LIBS $THREADLIBS"
377 # Some POSIX thread systems don't have pthread_mutexattr_settype.
379 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
381 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
382 # Solaris 7 the name librt is preferred.
383 AC_CHECK_FUNCS(sched_yield, , [
384 AC_CHECK_LIB(rt, sched_yield, [
385 AC_DEFINE(HAVE_SCHED_YIELD)
386 THREADLIBS="$THREADLIBS -lrt"
387 THREADSPEC="$THREADSPEC -lrt"], [
388 AC_CHECK_LIB(posix4, sched_yield, [
389 AC_DEFINE(HAVE_SCHED_YIELD)
390 THREADLIBS="$THREADLIBS -lposix4"
391 THREADSPEC="$THREADSPEC -lposix4"])])])
394 # We can save a little space at runtime if the mutex has m_count
395 # or __m_count. This is a nice hack for Linux.
396 AC_TRY_COMPILE([#include <pthread.h>], [
397 extern pthread_mutex_t *mutex; int q = mutex->m_count;
398 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
399 AC_TRY_COMPILE([#include <pthread.h>], [
400 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
401 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
404 # We require a way to get the time.
406 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
407 if test "$time_found" = no; then
408 AC_MSG_ERROR([no function found to get the time])
411 AC_CHECK_FUNCS(memmove)
415 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
416 if test "$memcpy_found" = no; then
417 AC_MSG_ERROR([memcpy is required])
420 # Some library-finding code we stole from Tcl.
421 #--------------------------------------------------------------------
422 # Check for the existence of the -lsocket and -lnsl libraries.
423 # The order here is important, so that they end up in the right
424 # order in the command line generated by make. Here are some
425 # special considerations:
426 # 1. Use "connect" and "accept" to check for -lsocket, and
427 # "gethostbyname" to check for -lnsl.
428 # 2. Use each function name only once: can't redo a check because
429 # autoconf caches the results of the last check and won't redo it.
430 # 3. Use -lnsl and -lsocket only if they supply procedures that
431 # aren't already present in the normal libraries. This is because
432 # IRIX 5.2 has libraries, but they aren't needed and they're
433 # bogus: they goof up name resolution if used.
434 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
435 # To get around this problem, check for both libraries together
436 # if -lsocket doesn't work by itself.
437 #--------------------------------------------------------------------
439 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
442 unset ac_cv_func_connect
443 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
444 if test "$gcj_checkSocket" = 1; then
445 unset ac_cv_func_connect
446 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
449 if test "$gcj_checkBoth" = 1; then
451 LIBS="$LIBS -lsocket -lnsl"
452 unset ac_cv_func_accept
453 AC_CHECK_FUNC(accept,
455 gcj_cv_lib_sockets="-lsocket -lnsl"])
456 unset ac_cv_func_accept
459 unset ac_cv_func_gethostbyname
461 LIBS="$LIBS $gcj_cv_lib_sockets"
462 AC_CHECK_FUNC(gethostbyname, ,
463 [AC_CHECK_LIB(nsl, main,
464 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
465 unset ac_cv_func_gethostbyname
468 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
470 if test "$with_system_zlib" = yes; then
471 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=-lzgcj)
476 # On Solaris, and maybe other architectures, the Boehm collector
478 if test "$GC" = boehm; then
479 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
482 if test -d "$libgcj_basedir/../gcc/java"; then
494 if test "x$ZLIBSPEC" = "x-lzgcj"; then
495 # We include the path to the zlib build directory.
496 # See Makefile.am to understand why.
497 ZDEPS='$(top_builddir)/../zlib/libzgcj.la'
498 ZLIBS="$ZDEPS -L\$(here)/../zlib/$libsubdir"
499 ZINCS='-I$(top_srcdir)/../zlib'
508 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
509 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
510 AM_CONDITIONAL(NATIVE, test "$CANADIAN" = no || test "$NULL_TARGET" = yes)
511 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
512 AC_SUBST(EH_COMMON_INCLUDE)
514 # Determine gcj version number.
515 if test "$GCJ" = ""; then
516 if test -z "${with_multisubdir}"; then
519 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
521 dir="`cd ${builddotdot}/../../gcc && pwd`"
522 GCJ="$dir/gcj -B$dir/"
525 gcjvers="`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`"
527 AC_DEFINE_UNQUOTED(GCJVERSION, "$gcjvers")
529 # See if gcj supports -fuse-divide-subroutine. gcc 2.95 does not, and
530 # we want to continue to support that version.
531 AC_MSG_CHECKING([whether gcj supports -fuse-divide-subroutine])
532 cat > conftest.java << 'END'
533 public class conftest { }
536 $GCJ -fuse-divide-subroutine -fsyntax-only conftest.java > /dev/null 2>&1 \
539 if test "$use_fuse" = no; then
542 AC_MSG_RESULT($use_fuse)
544 AC_SUBST(AM_RUNTESTFLAGS)
546 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
547 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
548 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
549 AC_CHECK_HEADERS(unistd.h bstring.h sys/time.h sys/types.h fcntl.h sys/ioctl.h sys/filio.h sys/stat.h sys/select.h sys/socket.h netinet/in.h arpa/inet.h netdb.h pwd.h sys/config.h inttypes.h stdint.h)
550 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
551 dnl for now. If you change this, you also must update natFile.cc.
552 AC_CHECK_HEADERS(dirent.h)
554 AC_CHECK_TYPE([ssize_t], [int])
556 AC_MSG_CHECKING([for in_addr_t])
557 AC_TRY_COMPILE([#include <sys/types.h>
562 #if HAVE_NETINET_IN_H
563 #include <netinet/in.h>
564 #endif], [in_addr_t foo;],
565 [AC_DEFINE([HAVE_IN_ADDR_T])
569 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
570 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
571 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
575 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
576 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
577 [AC_DEFINE(HAVE_INET6)
581 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
582 AC_TRY_COMPILE([#include <sys/socket.h>], [socklen_t x = 5;],
583 [AC_DEFINE(HAVE_SOCKLEN_T)
587 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
588 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
589 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
592 AC_MSG_CHECKING([for global timezone variable])
593 dnl FIXME: we don't want a link check here because that won't work
594 dnl when cross-compiling. So instead we make an assumption that
595 dnl the header file will mention timezone if it exists.
596 AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
597 [AC_DEFINE(HAVE_TIMEZONE)
599 [AC_MSG_RESULT(no)])])
603 AC_CHECK_PROGS(PERL, perl, false)
607 SIGNAL_HANDLER=include/i386-signal.h
610 SIGNAL_HANDLER=include/sparc-signal.h
613 SIGNAL_HANDLER=include/default-signal.h
617 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
619 if test "${multilib}" = "yes"; then
620 multilib_arg="--enable-multilib"
628 AC_OUTPUT(Makefile libgcj.spec gcj/Makefile include/Makefile testsuite/Makefile,
629 [if test -n "$CONFIG_FILES"; then
630 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
635 with_multisubdir=${with_multisubdir}
636 ac_configure_args="${multilib_arg} ${ac_configure_args}"
637 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
638 libgcj_basedir=${libgcj_basedir}