1 dnl Process this with autoconf to create configure
2 AC_INIT(java/lang/System.java)
6 dnl We use these options to decide which functions to include.
7 AC_ARG_WITH(target-subdir,
8 [ --with-target-subdir=SUBDIR
9 configuring in a subdirectory])
10 AC_ARG_WITH(cross-host,
11 [ --with-cross-host=HOST configuring with a cross compiler])
15 AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
17 # Only use libltdl for native builds.
18 if test -z "${with_cross_host}"; then
19 AC_LIBLTDL_CONVENIENCE
23 # Sigh. Libtool's macro doesn't do the right thing.
24 INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
25 # FIXME: this is a hack.
26 sub_auxdir="`cd $ac_aux_dir && pwd`"
27 ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"
33 AC_CONFIG_SUBDIRS($DIRLTDL)
35 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
42 dnl The -no-testsuite modules omit the test subdir.
43 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
45 dnl See whether the user prefers size or speed for Character.
46 dnl The default is size.
47 AC_ARG_ENABLE(fast-character,
48 [ --enable-fast-character prefer speed over size for Character],
50 , AC_DEFINE(COMPACT_CHARACTER))
52 dnl Should the runtime set system properties by examining the
53 dnl environment variable GCJ_PROPERTIES?
54 AC_ARG_ENABLE(getenv-properties,
55 [ --disable-getenv-properties
56 don't set system properties from GCJ_PROPERTIES])
58 dnl Whether GCJ_PROPERTIES is used depends on the target.
59 if test -z "$enable_getenv_properties"; then
60 enable_getenv_properties=${enable_getenv_properties_default-yes}
62 if test "$enable_getenv_properties" = no; then
63 AC_DEFINE(DISABLE_GETENV_PROPERTIES)
67 dnl Should we use hashtable-based synchronization?
68 dnl Currently works only for Linux X86/ia64
69 dnl Typically faster and more space-efficient
70 AC_ARG_ENABLE(hash-synchronization,
71 [ --enable-hash-synchronization
72 Use global hash table for monitor locks])
74 if test -z "$enable_hash_synchronization"; then
75 enable_hash_synchronization=$enable_hash_synchronization_default
79 dnl See if the user has requested runtime debugging.
82 AC_ARG_ENABLE(libgcj-debug,
83 [ --enable-libgcj-debug enable runtime debugging code],
84 if test "$enable_libgcj_debug" = yes; then
89 dnl See if the user has the interpreter included.
90 AC_ARG_ENABLE(interpreter,
91 [ --enable-interpreter enable interpreter],
92 if test "$enable_interpreter" = yes; then
93 # This can also be set in configure.host.
94 libgcj_interpreter=yes
95 elif test "$enable_interpreter" = no; then
99 if test "$libgcj_interpreter" = yes; then
100 AC_DEFINE(INTERPRETER)
103 AC_MSG_CHECKING([for exception model to use])
106 AC_ARG_ENABLE(sjlj-exceptions,
107 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
109 [dnl Botheration. Now we've got to detect the exception model.
110 dnl Link tests against libgcc.a are problematic since -- at least
111 dnl as of this writing -- we've not been given proper -L bits for
112 dnl single-tree newlib and libgloss.
114 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
115 dnl conftest files before we got a change to grep them first.
116 cat > conftest.$ac_ext << EOF
117 [#]line __oline__ "configure"
126 old_CXXFLAGS="$CXXFLAGS"
128 if AC_TRY_EVAL(ac_compile); then
129 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
130 enable_sjlj_exceptions=yes
131 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
132 enable_sjlj_exceptions=no
135 CXXFLAGS="$old_CXXFLAGS"
137 if test x$enable_sjlj_exceptions = xyes; then
138 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
139 [Define if the compiler is configured for setjmp/longjmp exceptions.])
140 ac_exception_model_name=sjlj
141 elif test x$enable_sjlj_exceptions = xno; then
142 ac_exception_model_name="call frame"
144 AC_MSG_ERROR([unable to detect exception model])
147 AC_MSG_RESULT($ac_exception_model_name)
149 dnl See if the user wants to disable java.net. This is the mildly
150 dnl ugly way that we admit that target-side configuration sucks.
151 AC_ARG_ENABLE(java-net,
152 [ --disable-java-net disable java.net])
154 dnl Whether java.net is built by default can depend on the target.
155 if test -z "$enable_java_net"; then
156 enable_java_net=${enable_java_net_default-yes}
158 if test "$enable_java_net" = no; then
159 AC_DEFINE(DISABLE_JAVA_NET)
162 dnl See if the user wants to configure without libffi. Some
163 dnl architectures don't support it, and default values are set in
166 [ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
170 if test "$with_libffi" != no; then
171 AC_DEFINE(USE_LIBFFI)
172 LIBFFI=../libffi/libfficonvenience.la
173 LIBFFIINCS="-I$(top_srcdir)/../libffi/include -I$(MULTIBUILDTOP)../libffi/include"
178 dnl See if the user wants to disable JVMPI support.
180 [ --disable-jvmpi disable JVMPI support])
182 if test "$enable_jvmpi" != no; then
183 AC_DEFINE(ENABLE_JVMPI)
186 dnl If the target is an eCos system, use the appropriate eCos
188 dnl FIXME: this should not be a local option but a global target
189 dnl system; at present there is no eCos target.
192 [ --with-ecos enable runtime eCos target support],
193 TARGET_ECOS="$with_ecos"
196 case "$TARGET_ECOS" in
198 FILE_DESCRIPTOR=natFileDescriptorPosix.cc
199 PROCESS=${PROCESS-Posix}
202 FILE_DESCRIPTOR=natFileDescriptorEcos.cc
208 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
209 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
210 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
211 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
214 dnl These may not be defined in a non-ANS conformant embedded system.
215 dnl FIXME: Should these case a runtime exception in that case?
216 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
217 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
219 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
220 dnl to create the link will fail.
221 test -d java || mkdir java
222 test -d java/io || mkdir java/io
223 test -d gnu || mkdir gnu
224 AC_LINK_FILES(java/io/$FILE_DESCRIPTOR, java/io/natFileDescriptor.cc)
226 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
227 test -d java/lang || mkdir java/lang
228 AC_LINK_FILES(java/lang/${PROCESS}Process.java, java/lang/ConcreteProcess.java)
229 AC_LINK_FILES(java/lang/nat${PROCESS}Process.cc, java/lang/natConcreteProcess.cc)
234 LIBGCJTESTSPEC="-L`pwd`/.libs -rpath `pwd`/.libs"
235 AC_SUBST(LIBGCJTESTSPEC)
237 AC_ARG_WITH(system-zlib,
238 [ --with-system-zlib use installed libz])
242 AC_SUBST(ZLIBTESTSPEC)
244 dnl FIXME: this should be _libs on some hosts.
247 dnl Allow the GC to be disabled. Can be useful when debugging.
248 AC_MSG_CHECKING([for garbage collector to use])
249 AC_ARG_ENABLE(java-gc,
250 changequote(<<,>>)dnl
251 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
265 GCDEPS='$(top_builddir)/../boehm-gc/libgcjgc.la'
266 # We include the path to the boehm-gc build directory.
267 # See Makefile.am to understand why.
268 GCLIBS="$GCDEPS -L\$(here)/../boehm-gc/$libsubdir"
269 GCINCS='-I$(top_srcdir)/../boehm-gc/include'
271 JC1GCSPEC='-fuse-boehm-gc'
272 GCTESTSPEC="-L`pwd`/../boehm-gc/.libs -rpath `pwd`/../boehm-gc/.libs"
273 dnl We also want to pick up some cpp flags required when including
274 dnl boehm-config.h. Yuck.
275 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
278 dnl The POSIX thread support needs to know this.
279 AC_DEFINE(HAVE_BOEHM_GC)
287 AC_MSG_ERROR(unrecognized collector \"$GC\")
297 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
300 AC_MSG_CHECKING([for thread model used by GCC])
301 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
302 AC_MSG_RESULT([$THREADS])
312 AC_DEFINE(LINUX_THREADS)
316 decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
317 AC_MSG_ERROR(thread package $THREADS not yet supported)
320 AC_MSG_ERROR($THREADS is an unknown thread package)
334 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
341 THREADOBJS=posix-threads.lo
342 THREADH=posix-threads.h
343 # MIT pthreads doesn't seem to have the mutexattr functions.
344 # But for now we don't check for it. We just assume you aren't
345 # using MIT pthreads.
346 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
348 # If we're using the Boehm GC, then we happen to know that it
349 # defines _REENTRANT, so we don't bother. Eww.
350 if test "$GC" != boehm; then
351 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
353 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
357 THREADOBJS=no-threads.lo
361 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
369 # Hash synchronization is only useful with posix threads right now.
370 if test "$enable_hash_synchronization" = yes && test "$THREADS" = "posix"; then
371 HASH_SYNC_SPEC=-fhash-synchronization
372 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
374 AC_SUBST(HASH_SYNC_SPEC)
377 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
383 # We're in the tree with gcc, and need to include some of its headers.
384 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
386 if test -n "${with_cross_host}"; then
387 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
388 # may not work correctly, because the compiler may not be able to
391 # We assume newlib. This lets us hard-code the functions we know
393 AC_DEFINE(HAVE_MEMMOVE)
394 AC_DEFINE(HAVE_MEMCPY)
395 AC_DEFINE(HAVE_STRERROR)
396 AC_DEFINE(HAVE_GMTIME_R)
397 AC_DEFINE(HAVE_LOCALTIME_R)
398 dnl This is only for POSIX threads.
399 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
400 dnl We also assume we are using gcc, which provides alloca.
401 AC_DEFINE(HAVE_ALLOCA)
403 dnl Assume we do not have getuid and friends.
407 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
409 # If Canadian cross, then don't pick up tools from the build
411 if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then
414 GCJ="${target_alias}-gcj"
418 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep)
419 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
420 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
421 AC_CHECK_FUNCS(nl_langinfo setlocale)
422 AC_CHECK_FUNCS(inet_aton inet_addr, break)
423 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
424 AC_CHECK_FUNCS(backtrace fork execvp pipe sigaction)
425 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
426 AC_CHECK_LIB(dl, dladdr, [
427 AC_DEFINE(HAVE_DLADDR)])
428 AC_CHECK_FILES(/proc/self/exe, [
429 AC_DEFINE(HAVE_PROC_SELF_EXE)])
433 AC_CHECK_FUNCS(gethostbyname_r, [
434 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
435 # There are two different kinds of gethostbyname_r.
436 # We look for the one that returns `int'.
437 # Hopefully this check is robust enough.
438 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
439 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
442 *" -D_REENTRANT "*) ;;
444 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
445 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
446 [libjava_cv_gethostbyname_r_needs_reentrant],
449 AC_TRY_COMPILE([#include <netdb.h>],
450 [gethostbyname_r("", 0, 0);],
451 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
452 CPPFLAGS_SAVE="$CPPFLAGS"
453 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
454 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
455 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
456 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
457 CPPFLAGS="$CPPFLAGS_SAVE"
461 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
462 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
467 AC_CACHE_CHECK([for struct hostent_data],
468 [libjava_cv_struct_hostent_data], [dnl
470 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
471 # define _REENTRANT 1
473 #include <netdb.h>], [struct hostent_data data;],
474 [libjava_cv_struct_hostent_data=yes],
475 [libjava_cv_struct_hostent_data=no])])
476 if test "x$libjava_cv_struct_hostent_data" = xyes; then
477 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
478 [Define if struct hostent_data is defined in netdb.h])
482 AC_CHECK_FUNCS(gethostbyaddr_r, [
483 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
484 # There are two different kinds of gethostbyaddr_r.
485 # We look for the one that returns `int'.
486 # Hopefully this check is robust enough.
487 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
488 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])
490 AC_CHECK_FUNCS(gethostname, [
491 AC_DEFINE(HAVE_GETHOSTNAME)
492 AC_EGREP_HEADER(gethostname, unistd.h, [
493 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
495 # Look for these functions in the thread library, but only bother
496 # if using POSIX threads.
497 if test "$THREADS" = posix; then
499 LIBS="$LIBS $THREADLIBS"
500 # Some POSIX thread systems don't have pthread_mutexattr_settype.
502 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
504 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
505 # Solaris 7 the name librt is preferred.
506 AC_CHECK_FUNCS(sched_yield, , [
507 AC_CHECK_LIB(rt, sched_yield, [
508 AC_DEFINE(HAVE_SCHED_YIELD)
509 THREADLIBS="$THREADLIBS -lrt"
510 THREADSPEC="$THREADSPEC -lrt"], [
511 AC_CHECK_LIB(posix4, sched_yield, [
512 AC_DEFINE(HAVE_SCHED_YIELD)
513 THREADLIBS="$THREADLIBS -lposix4"
514 THREADSPEC="$THREADSPEC -lposix4"])])])
517 # We can save a little space at runtime if the mutex has m_count
518 # or __m_count. This is a nice hack for Linux.
519 AC_TRY_COMPILE([#include <pthread.h>], [
520 extern pthread_mutex_t *mutex; int q = mutex->m_count;
521 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
522 AC_TRY_COMPILE([#include <pthread.h>], [
523 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
524 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
527 # We require a way to get the time.
529 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
530 if test "$time_found" = no; then
531 AC_MSG_ERROR([no function found to get the time])
534 AC_CHECK_FUNCS(memmove)
538 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
539 if test "$memcpy_found" = no; then
540 AC_MSG_ERROR([memcpy is required])
543 # Some library-finding code we stole from Tcl.
544 #--------------------------------------------------------------------
545 # Check for the existence of the -lsocket and -lnsl libraries.
546 # The order here is important, so that they end up in the right
547 # order in the command line generated by make. Here are some
548 # special considerations:
549 # 1. Use "connect" and "accept" to check for -lsocket, and
550 # "gethostbyname" to check for -lnsl.
551 # 2. Use each function name only once: can't redo a check because
552 # autoconf caches the results of the last check and won't redo it.
553 # 3. Use -lnsl and -lsocket only if they supply procedures that
554 # aren't already present in the normal libraries. This is because
555 # IRIX 5.2 has libraries, but they aren't needed and they're
556 # bogus: they goof up name resolution if used.
557 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
558 # To get around this problem, check for both libraries together
559 # if -lsocket doesn't work by itself.
560 #--------------------------------------------------------------------
562 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
565 unset ac_cv_func_connect
566 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
567 if test "$gcj_checkSocket" = 1; then
568 unset ac_cv_func_connect
569 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
572 if test "$gcj_checkBoth" = 1; then
574 LIBS="$LIBS -lsocket -lnsl"
575 unset ac_cv_func_accept
576 AC_CHECK_FUNC(accept,
578 gcj_cv_lib_sockets="-lsocket -lnsl"])
579 unset ac_cv_func_accept
582 unset ac_cv_func_gethostbyname
584 LIBS="$LIBS $gcj_cv_lib_sockets"
585 AC_CHECK_FUNC(gethostbyname, ,
586 [AC_CHECK_LIB(nsl, main,
587 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
588 unset ac_cv_func_gethostbyname
591 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
593 if test "$with_system_zlib" = yes; then
594 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=-lzgcj)
597 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
600 # On Solaris, and maybe other architectures, the Boehm collector
602 if test "$GC" = boehm; then
603 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
606 if test -z "${with_multisubdir}"; then
610 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
613 if test -x "${builddotdot}/../../gcc/gcj"; then
614 dir="`cd ${builddotdot}/../../gcc && pwd`"
615 GCJ="$dir/gcj -B`pwd`/ -B$dir/"
623 # Create it, so that compile/link tests don't fail
624 test -f libgcj.spec || touch libgcj.spec
626 # We must search the source tree for java.lang, since we still don't
627 # have libgcj.jar nor java/lang/*.class
628 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
629 CPPFLAGS="$CPPFLAGS -I`pwd` -I`cd $srcdir && pwd`"
631 # Since some classes depend on this one, we need its source available
632 # before we can do any GCJ compilation test :-(
633 if test ! -f gnu/classpath/Configuration.java; then
634 test -d gnu || mkdir gnu
635 test -d gnu/classpath || mkdir gnu/classpath
636 sed 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
637 < $srcdir/gnu/classpath/Configuration.java.in \
638 > gnu/classpath/Configuration.java
639 # We do not want to redirect the output of the grep below to /dev/null,
640 # but we add /dev/null to the input list so that grep will print the
641 # filename of Configuration.java in case it finds any matches.
642 if grep @ gnu/classpath/Configuration.java /dev/null; then
643 AC_MSG_ERROR([configure.in is missing the substitutions above])
649 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
651 dnl FIXME: cross compilation
652 AC_CHECK_SIZEOF(void *)
657 if test "x$ZLIBSPEC" = "x-lzgcj"; then
658 # We include the path to the zlib build directory.
659 # See Makefile.am to understand why.
660 ZDEPS='$(top_builddir)/../zlib/libzgcj.la'
661 ZLIBS="$ZDEPS -L\$(here)/../zlib/$libsubdir"
662 ZINCS='-I$(top_srcdir)/../zlib'
670 AC_SUBST(EXCEPTIONSPEC)
672 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
673 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
674 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
675 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
676 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
677 AC_SUBST(GCC_UNWIND_INCLUDE)
679 # Determine gcj version number.
681 gcjvers="`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`"
683 AC_DEFINE_UNQUOTED(GCJVERSION, "$gcjvers")
686 AC_SUBST(AM_RUNTESTFLAGS)
688 dnl Work around a g++ bug. Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000.
689 AC_MSG_CHECKING([for g++ -ffloat-store bug])
690 save_CFLAGS="$CFLAGS"
691 CFLAGS="-x c++ -O2 -ffloat-store"
692 AC_TRY_COMPILE([#include <math.h>], ,
694 [AC_DEFINE(__NO_MATH_INLINES)
696 CFLAGS="$save_CFLAGS"
698 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
699 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
700 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
701 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 langinfo.h locale.h)
702 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
703 dnl for now. If you change this, you also must update natFile.cc.
704 AC_CHECK_HEADERS(dirent.h)
706 AC_CHECK_TYPE([ssize_t], [int])
708 AC_MSG_CHECKING([for in_addr_t])
709 AC_TRY_COMPILE([#include <sys/types.h>
714 #if HAVE_NETINET_IN_H
715 #include <netinet/in.h>
716 #endif], [in_addr_t foo;],
717 [AC_DEFINE([HAVE_IN_ADDR_T])
721 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
722 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
723 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
727 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
728 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
729 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ)
733 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
734 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
735 [AC_DEFINE(HAVE_INET6)
739 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
740 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
741 #include <sys/types.h>
742 #include <sys/socket.h>], [socklen_t x = 5;],
743 [AC_DEFINE(HAVE_SOCKLEN_T)
747 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
748 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
749 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
752 AC_MSG_CHECKING([for global timezone variable])
753 dnl FIXME: we don't want a link check here because that won't work
754 dnl when cross-compiling. So instead we make an assumption that
755 dnl the header file will mention timezone if it exists.
756 AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
757 [AC_DEFINE(HAVE_TIMEZONE)
759 [AC_MSG_RESULT(no)])])
763 AC_CHECK_PROGS(PERL, perl, false)
769 SIGNAL_HANDLER=include/i386-signal.h
772 SIGNAL_HANDLER=include/sparc-signal.h
775 # SYSDEP_SOURCES=sysdep/ia64.c
776 # test -d sysdep || mkdir sysdep
779 SIGNAL_HANDLER=include/dwarf2-signal.h
782 SIGNAL_HANDLER=include/dwarf2-signal.h
785 SIGNAL_HANDLER=include/default-signal.h
789 # If we're using sjlj exceptions, forget what we just learned.
790 if test "$enable_sjlj_exceptions" = yes; then
791 SIGNAL_HANDLER=include/default-signal.h
794 AC_SUBST(SYSDEP_SOURCES)
796 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
798 if test "${multilib}" = "yes"; then
799 multilib_arg="--enable-multilib"
806 dnl Determine which AWT peer libraries to build
807 AC_ARG_ENABLE(java-awt,
808 [ --enable-java-awt list of AWT peer implementations to be built])
810 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
814 for peer in $peerlibs ; do
817 if [test "$no_x" = yes]; then
818 echo "*** xlib peers requested but no X library available" 1>&2
828 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
833 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
834 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
840 # We get this from the environment.
843 AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
844 [# Only add multilib support code if we just rebuilt top-level Makefile.
845 case " $CONFIG_FILES " in
847 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
851 # Make subdirectories and `.d' files. Look in both srcdir and
852 # builddir for the .java files.
855 ( (cd $srcdir && find . -name '*.java' -print) ;
856 find . -name '*.java' -print) | \
857 fgrep -v testsuite | \
858 sed -e 's/\.java/.d/' | \
860 echo "include $f" >> deps.mk
863 d=`echo $f | sed -e 's,/[^/]*$,,'`
865 $libgcj_basedir/../mkinstalldirs $d
873 with_multisubdir=${with_multisubdir}
874 ac_configure_args="${multilib_arg} ${ac_configure_args}"
875 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
876 libgcj_basedir=${libgcj_basedir}