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.
10 dnl We use these options to decide which functions to include.
11 AC_ARG_WITH(target-subdir,
12 [ --with-target-subdir=SUBDIR
13 configuring in a subdirectory])
14 AC_ARG_WITH(cross-host,
15 [ --with-cross-host=HOST configuring with a cross compiler])
19 AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
21 # Only use libltdl for native builds.
22 if test -z "${with_cross_host}"; then
23 AC_LIBLTDL_CONVENIENCE
27 # Sigh. Libtool's macro doesn't do the right thing.
28 INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
34 AC_CONFIG_SUBDIRS($DIRLTDL)
36 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
43 dnl The -no-testsuite modules omit the test subdir.
44 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
46 dnl See whether the user prefers size or speed for Character.
47 dnl The default is size.
48 AC_ARG_ENABLE(fast-character,
49 [ --enable-fast-character prefer speed over size for Character],
51 , AC_DEFINE(COMPACT_CHARACTER))
53 dnl Should the runtime set system properties by examining the
54 dnl environment variable GCJ_PROPERTIES?
55 AC_ARG_ENABLE(getenv-properties,
56 [ --disable-getenv-properties
57 don't set system properties from GCJ_PROPERTIES])
59 dnl Whether GCJ_PROPERTIES is used depends on the target.
60 if test -z "$enable_getenv_properties"; then
61 enable_getenv_properties=${enable_getenv_properties_default-yes}
63 if test "$enable_getenv_properties" = no; then
64 AC_DEFINE(DISABLE_GETENV_PROPERTIES)
68 dnl Should we use hashtable-based synchronization?
69 dnl Currently works only for Linux X86/ia64
70 dnl Typically faster and more space-efficient
71 AC_ARG_ENABLE(hash-synchronization,
72 [ --enable-hash-synchronization
73 Use global hash table for monitor locks])
75 if test -z "$enable_hash_synchronization"; then
76 enable_hash_synchronization=$enable_hash_synchronization_default
80 dnl See if the user has requested runtime debugging.
83 AC_ARG_ENABLE(libgcj-debug,
84 [ --enable-libgcj-debug enable runtime debugging code],
85 if test "$enable_libgcj_debug" = yes; then
90 dnl See if the user has the interpreter included.
91 AC_ARG_ENABLE(interpreter,
92 [ --enable-interpreter enable interpreter],
93 if test "$enable_interpreter" = yes; then
94 # This can also be set in configure.host.
95 libgcj_interpreter=yes
96 elif test "$enable_interpreter" = no; then
100 if test "$libgcj_interpreter" = yes; then
101 AC_DEFINE(INTERPRETER)
104 AC_MSG_CHECKING([for exception model to use])
107 AC_ARG_ENABLE(sjlj-exceptions,
108 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
110 [dnl Botheration. Now we've got to detect the exception model.
111 dnl Link tests against libgcc.a are problematic since -- at least
112 dnl as of this writing -- we've not been given proper -L bits for
113 dnl single-tree newlib and libgloss.
115 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
116 dnl conftest files before we got a change to grep them first.
117 cat > conftest.$ac_ext << EOF
118 [#]line __oline__ "configure"
127 old_CXXFLAGS="$CXXFLAGS"
129 if AC_TRY_EVAL(ac_compile); then
130 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
131 enable_sjlj_exceptions=yes
132 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
133 enable_sjlj_exceptions=no
136 CXXFLAGS="$old_CXXFLAGS"
138 if test x$enable_sjlj_exceptions = xyes; then
139 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
140 [Define if the compiler is configured for setjmp/longjmp exceptions.])
141 ac_exception_model_name=sjlj
142 elif test x$enable_sjlj_exceptions = xno; then
143 ac_exception_model_name="call frame"
145 AC_MSG_ERROR([unable to detect exception model])
148 AC_MSG_RESULT($ac_exception_model_name)
150 AC_MSG_CHECKING([for data_start])
153 AC_TRY_LINK([extern int data_start;], [return ((int) &data_start);],
154 [AC_MSG_RESULT(found it)],
155 [LIBDATASTARTSPEC="-u data_start libgcjdata.a%s"
157 AC_MSG_RESULT(missing)])
158 AC_SUBST(LIBDATASTARTSPEC)
160 dnl See if the user wants to disable java.net. This is the mildly
161 dnl ugly way that we admit that target-side configuration sucks.
162 AC_ARG_ENABLE(java-net,
163 [ --disable-java-net disable java.net])
165 dnl Whether java.net is built by default can depend on the target.
166 if test -z "$enable_java_net"; then
167 enable_java_net=${enable_java_net_default-yes}
169 if test "$enable_java_net" = no; then
170 AC_DEFINE(DISABLE_JAVA_NET)
173 dnl See if the user wants to disable JVMPI support.
175 [ --disable-jvmpi disable JVMPI support])
177 if test "$enable_jvmpi" != no; then
178 AC_DEFINE(ENABLE_JVMPI)
181 dnl If the target is an eCos system, use the appropriate eCos
183 dnl FIXME: this should not be a local option but a global target
184 dnl system; at present there is no eCos target.
187 [ --with-ecos enable runtime eCos target support],
188 TARGET_ECOS="$with_ecos"
191 case "$TARGET_ECOS" in
193 FILE_DESCRIPTOR=natFileDescriptorPosix.cc
194 PROCESS=${PROCESS-Posix}
197 FILE_DESCRIPTOR=natFileDescriptorEcos.cc
203 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
204 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
205 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
206 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
209 dnl These may not be defined in a non-ANS conformant embedded system.
210 dnl FIXME: Should these case a runtime exception in that case?
211 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
212 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
214 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
215 dnl to create the link will fail.
216 test -d java || mkdir java
217 test -d java/io || mkdir java/io
218 test -d gnu || mkdir gnu
219 AC_LINK_FILES(java/io/$FILE_DESCRIPTOR, java/io/natFileDescriptor.cc)
221 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
222 test -d java/lang || mkdir java/lang
223 AC_LINK_FILES(java/lang/${PROCESS}Process.java, java/lang/ConcreteProcess.java)
224 AC_LINK_FILES(java/lang/nat${PROCESS}Process.cc, java/lang/natConcreteProcess.cc)
229 LIBGCJTESTSPEC="-L`pwd`/.libs -rpath `pwd`/.libs"
230 AC_SUBST(LIBGCJTESTSPEC)
232 AC_ARG_WITH(system-zlib,
233 [ --with-system-zlib use installed libz])
237 AC_SUBST(ZLIBTESTSPEC)
239 dnl FIXME: this should be _libs on some hosts.
242 dnl Allow the GC to be disabled. Can be useful when debugging.
243 AC_MSG_CHECKING([for garbage collector to use])
244 AC_ARG_ENABLE(java-gc,
245 changequote(<<,>>)dnl
246 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
260 GCDEPS='$(top_builddir)/../boehm-gc/libgcjgc.la'
261 # We include the path to the boehm-gc build directory.
262 # See Makefile.am to understand why.
263 GCLIBS="$GCDEPS -L\$(here)/../boehm-gc/$libsubdir"
264 GCINCS='-I$(top_srcdir)/../boehm-gc/include'
266 JC1GCSPEC='-fuse-boehm-gc'
267 GCTESTSPEC="-L`pwd`/../boehm-gc/.libs -rpath `pwd`/../boehm-gc/.libs"
268 dnl We also want to pick up some cpp flags required when including
269 dnl boehm-config.h. Yuck.
270 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
273 dnl The POSIX thread support needs to know this.
274 AC_DEFINE(HAVE_BOEHM_GC)
282 AC_MSG_ERROR(unrecognized collector \"$GC\")
292 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
295 AC_MSG_CHECKING([for thread model used by GCC])
296 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
297 AC_MSG_RESULT([$THREADS])
307 AC_DEFINE(LINUX_THREADS)
311 decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
312 AC_MSG_ERROR(thread package $THREADS not yet supported)
315 AC_MSG_ERROR($THREADS is an unknown thread package)
329 THREADOBJS=posix-threads.lo
330 THREADH=posix-threads.h
331 # MIT pthreads doesn't seem to have the mutexattr functions.
332 # But for now we don't check for it. We just assume you aren't
333 # using MIT pthreads.
334 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
336 # If we're using the Boehm GC, then we happen to know that it
337 # defines _REENTRANT, so we don't bother. Eww.
338 if test "$GC" != boehm; then
339 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
341 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
345 THREADOBJS=no-threads.lo
349 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
357 # Hash synchronization is only useful with posix threads right now.
358 if test "$enable_hash_synchronization" = yes && test "$THREADS" = "posix"; then
359 HASH_SYNC_SPEC=-fhash-synchronization
360 AC_DEFINE(JV_HASH_SYNCHRONIZATION)
362 AC_SUBST(HASH_SYNC_SPEC)
365 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
371 # We're in the tree with gcc, and need to include some of its headers.
372 GCC_UNWIND_INCLUDE='-I$(top_srcdir)/../gcc'
374 if test -n "${with_cross_host}"; then
375 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
376 # may not work correctly, because the compiler may not be able to
379 # We assume newlib. This lets us hard-code the functions we know
381 AC_DEFINE(HAVE_MEMMOVE)
382 AC_DEFINE(HAVE_MEMCPY)
383 AC_DEFINE(HAVE_STRERROR)
384 AC_DEFINE(HAVE_GMTIME_R)
385 AC_DEFINE(HAVE_LOCALTIME_R)
386 dnl This is only for POSIX threads.
387 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
388 dnl We also assume we are using gcc, which provides alloca.
389 AC_DEFINE(HAVE_ALLOCA)
391 dnl Assume we do not have getuid and friends.
395 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
397 # If Canadian cross, then don't pick up tools from the build
399 if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then
402 GCJ="${target_alias}-gcj"
406 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep)
407 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
408 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
409 AC_CHECK_FUNCS(iconv nl_langinfo setlocale)
410 AC_CHECK_FUNCS(inet_aton inet_addr, break)
411 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
412 AC_CHECK_FUNCS(backtrace fork execvp pipe)
413 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
414 AC_CHECK_LIB(dl, dladdr, [
415 AC_DEFINE(HAVE_DLADDR)])
416 AC_CHECK_FILES(/proc/self/exe, [
417 AC_DEFINE(HAVE_PROC_SELF_EXE)])
419 AC_CHECK_FUNCS(gethostbyname_r, [
420 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
421 # There are two different kinds of gethostbyname_r.
422 # We look for the one that returns `int'.
423 # Hopefully this check is robust enough.
424 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
425 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
428 *" -D_REENTRANT "*) ;;
430 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
431 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
432 [libjava_cv_gethostbyname_r_needs_reentrant],
435 AC_TRY_COMPILE([#include <netdb.h>],
436 [gethostbyname_r("", 0, 0);],
437 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
438 CPPFLAGS_SAVE="$CPPFLAGS"
439 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
440 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
441 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
442 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
443 CPPFLAGS="$CPPFLAGS_SAVE"
447 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
448 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
453 AC_CACHE_CHECK([for struct hostent_data],
454 [libjava_cv_struct_hostent_data], [dnl
456 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
457 # define _REENTRANT 1
459 #include <netdb.h>], [struct hostent_data data;],
460 [libjava_cv_struct_hostent_data=yes],
461 [libjava_cv_struct_hostent_data=no])])
462 if test "x$libjava_cv_struct_hostent_data" = xyes; then
463 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
464 [Define if struct hostent_data is defined in netdb.h])
468 AC_CHECK_FUNCS(gethostbyaddr_r, [
469 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
470 # There are two different kinds of gethostbyaddr_r.
471 # We look for the one that returns `int'.
472 # Hopefully this check is robust enough.
473 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
474 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])
476 AC_CHECK_FUNCS(gethostname, [
477 AC_DEFINE(HAVE_GETHOSTNAME)
478 AC_EGREP_HEADER(gethostname, unistd.h, [
479 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
481 # Look for these functions in the thread library, but only bother
482 # if using POSIX threads.
483 if test "$THREADS" = posix; then
485 LIBS="$LIBS $THREADLIBS"
486 # Some POSIX thread systems don't have pthread_mutexattr_settype.
488 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
490 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
491 # Solaris 7 the name librt is preferred.
492 AC_CHECK_FUNCS(sched_yield, , [
493 AC_CHECK_LIB(rt, sched_yield, [
494 AC_DEFINE(HAVE_SCHED_YIELD)
495 THREADLIBS="$THREADLIBS -lrt"
496 THREADSPEC="$THREADSPEC -lrt"], [
497 AC_CHECK_LIB(posix4, sched_yield, [
498 AC_DEFINE(HAVE_SCHED_YIELD)
499 THREADLIBS="$THREADLIBS -lposix4"
500 THREADSPEC="$THREADSPEC -lposix4"])])])
503 # We can save a little space at runtime if the mutex has m_count
504 # or __m_count. This is a nice hack for Linux.
505 AC_TRY_COMPILE([#include <pthread.h>], [
506 extern pthread_mutex_t *mutex; int q = mutex->m_count;
507 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
508 AC_TRY_COMPILE([#include <pthread.h>], [
509 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
510 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
513 # We require a way to get the time.
515 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
516 if test "$time_found" = no; then
517 AC_MSG_ERROR([no function found to get the time])
520 AC_CHECK_FUNCS(memmove)
524 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
525 if test "$memcpy_found" = no; then
526 AC_MSG_ERROR([memcpy is required])
529 # Some library-finding code we stole from Tcl.
530 #--------------------------------------------------------------------
531 # Check for the existence of the -lsocket and -lnsl libraries.
532 # The order here is important, so that they end up in the right
533 # order in the command line generated by make. Here are some
534 # special considerations:
535 # 1. Use "connect" and "accept" to check for -lsocket, and
536 # "gethostbyname" to check for -lnsl.
537 # 2. Use each function name only once: can't redo a check because
538 # autoconf caches the results of the last check and won't redo it.
539 # 3. Use -lnsl and -lsocket only if they supply procedures that
540 # aren't already present in the normal libraries. This is because
541 # IRIX 5.2 has libraries, but they aren't needed and they're
542 # bogus: they goof up name resolution if used.
543 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
544 # To get around this problem, check for both libraries together
545 # if -lsocket doesn't work by itself.
546 #--------------------------------------------------------------------
548 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
551 unset ac_cv_func_connect
552 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
553 if test "$gcj_checkSocket" = 1; then
554 unset ac_cv_func_connect
555 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
558 if test "$gcj_checkBoth" = 1; then
560 LIBS="$LIBS -lsocket -lnsl"
561 unset ac_cv_func_accept
562 AC_CHECK_FUNC(accept,
564 gcj_cv_lib_sockets="-lsocket -lnsl"])
565 unset ac_cv_func_accept
568 unset ac_cv_func_gethostbyname
570 LIBS="$LIBS $gcj_cv_lib_sockets"
571 AC_CHECK_FUNC(gethostbyname, ,
572 [AC_CHECK_LIB(nsl, main,
573 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
574 unset ac_cv_func_gethostbyname
577 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
579 if test "$with_system_zlib" = yes; then
580 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=-lzgcj)
583 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
586 # On Solaris, and maybe other architectures, the Boehm collector
588 if test "$GC" = boehm; then
589 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
592 if test -z "${with_multisubdir}"; then
596 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
599 if test -x "${builddotdot}/../../gcc/gcj"; then
600 dir="`cd ${builddotdot}/../../gcc && pwd`"
601 GCJ="$dir/gcj -B`pwd`/ -B$dir/"
609 # Create it, so that compile/link tests don't fail
610 test -f libgcj.spec || touch libgcj.spec
612 # We must search the source tree for java.lang, since we still don't
613 # have libgcj.jar nor java/lang/*.class
614 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
615 CPPFLAGS="$CPPFLAGS -I`pwd` -I`cd $srcdir && pwd`"
617 # Since some classes depend on this one, we need its source available
618 # before we can do any GCJ compilation test :-(
619 if test ! -f gnu/classpath/Configuration.java; then
620 test -d gnu || mkdir gnu
621 test -d gnu/classpath || mkdir gnu/classpath
622 sed 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
623 < $srcdir/gnu/classpath/Configuration.java.in \
624 > gnu/classpath/Configuration.java
625 # We do not want to redirect the output of the grep below to /dev/null,
626 # but we add /dev/null to the input list so that grep will print the
627 # filename of Configuration.java in case it finds any matches.
628 if grep @ gnu/classpath/Configuration.java /dev/null; then
629 AC_MSG_ERROR([configure.in is missing the substitutions above])
635 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
637 dnl FIXME: cross compilation
638 AC_CHECK_SIZEOF(void *)
643 if test "x$ZLIBSPEC" = "x-lzgcj"; then
644 # We include the path to the zlib build directory.
645 # See Makefile.am to understand why.
646 ZDEPS='$(top_builddir)/../zlib/libzgcj.la'
647 ZLIBS="$ZDEPS -L\$(here)/../zlib/$libsubdir"
648 ZINCS='-I$(top_srcdir)/../zlib'
656 AC_SUBST(EXCEPTIONSPEC)
658 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
659 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
660 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
661 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
662 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
663 AC_SUBST(GCC_UNWIND_INCLUDE)
665 # Determine gcj version number.
667 gcjvers="`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`"
669 AC_DEFINE_UNQUOTED(GCJVERSION, "$gcjvers")
672 AC_SUBST(AM_RUNTESTFLAGS)
674 dnl Work around a g++ bug. Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000.
675 AC_MSG_CHECKING([for g++ -ffloat-store bug])
676 save_CFLAGS="$CFLAGS"
677 CFLAGS="-x c++ -O2 -ffloat-store"
678 AC_TRY_COMPILE([#include <math.h>], ,
680 [AC_DEFINE(__NO_MATH_INLINES)
682 CFLAGS="$save_CFLAGS"
684 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
685 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
686 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
687 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)
688 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
689 dnl for now. If you change this, you also must update natFile.cc.
690 AC_CHECK_HEADERS(dirent.h)
692 AC_CHECK_TYPE([ssize_t], [int])
694 AC_MSG_CHECKING([for in_addr_t])
695 AC_TRY_COMPILE([#include <sys/types.h>
700 #if HAVE_NETINET_IN_H
701 #include <netinet/in.h>
702 #endif], [in_addr_t foo;],
703 [AC_DEFINE([HAVE_IN_ADDR_T])
707 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
708 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
709 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
713 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
714 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
715 [AC_DEFINE(HAVE_INET6)
719 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
720 AC_TRY_COMPILE([#include <sys/types.h>
721 #include <sys/socket.h>], [socklen_t x = 5;],
722 [AC_DEFINE(HAVE_SOCKLEN_T)
726 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
727 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
728 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
731 AC_MSG_CHECKING([for global timezone variable])
732 dnl FIXME: we don't want a link check here because that won't work
733 dnl when cross-compiling. So instead we make an assumption that
734 dnl the header file will mention timezone if it exists.
735 AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
736 [AC_DEFINE(HAVE_TIMEZONE)
738 [AC_MSG_RESULT(no)])])
742 AC_CHECK_PROGS(PERL, perl, false)
748 SIGNAL_HANDLER=include/i386-signal.h
751 SIGNAL_HANDLER=include/sparc-signal.h
754 # SYSDEP_SOURCES=sysdep/ia64.c
755 # test -d sysdep || mkdir sysdep
758 SIGNAL_HANDLER=include/dwarf2-signal.h
761 SIGNAL_HANDLER=include/dwarf2-signal.h
764 SIGNAL_HANDLER=include/default-signal.h
768 # If we're using sjlj exceptions, forget what we just learned.
769 if test "$enable_sjlj_exceptions" = yes; then
770 SIGNAL_HANDLER=include/default-signal.h
773 AC_SUBST(SYSDEP_SOURCES)
775 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
777 if test "${multilib}" = "yes"; then
778 multilib_arg="--enable-multilib"
785 dnl Determine which AWT peer libraries to build
786 AC_ARG_ENABLE(java-awt,
787 [ --enable-java-awt list of AWT peer implementations to be built])
789 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
793 for peer in $peerlibs ; do
796 if [test "$no_x" = yes]; then
797 echo "*** xlib peers requested but no X library available" 1>&2
807 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
812 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
813 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
819 # We get this from the environment.
822 AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
823 [# Only add multilib support code if we just rebuilt top-level Makefile.
824 case " $CONFIG_FILES " in
826 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
830 # Make subdirectories and `.d' files. Look in both srcdir and
831 # builddir for the .java files.
834 ( (cd $srcdir && find . -name '*.java' -print) ;
835 find . -name '*.java' -print) | \
836 fgrep -v testsuite | \
837 sed -e 's/\.java/.d/' | \
839 echo "include $f" >> deps.mk
842 d=`echo $f | sed -e 's,/[^/]*$,,'`
844 $srcdir/../mkinstalldirs $d
852 with_multisubdir=${with_multisubdir}
853 ac_configure_args="${multilib_arg} ${ac_configure_args}"
854 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
855 libgcj_basedir=${libgcj_basedir}