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)
66 dnl Whether we should use arguments to main()
67 if test -z "$enable_main_args"; then
68 enable_main_args=${enable_main_args_default-yes}
70 if test "$enable_main_args" = no; then
71 AC_DEFINE(DISABLE_MAIN_ARGS)
75 dnl Should we use hashtable-based synchronization?
76 dnl Currently works only for Linux X86/ia64
77 dnl Typically faster and more space-efficient
78 AC_ARG_ENABLE(hash-synchronization,
79 [ --enable-hash-synchronization
80 Use global hash table for monitor locks])
82 if test -z "$enable_hash_synchronization"; then
83 enable_hash_synchronization=$enable_hash_synchronization_default
87 dnl See if the user has requested runtime debugging.
90 AC_ARG_ENABLE(libgcj-debug,
91 [ --enable-libgcj-debug enable runtime debugging code],
92 if test "$enable_libgcj_debug" = yes; then
97 dnl See if the user has the interpreter included.
98 AC_ARG_ENABLE(interpreter,
99 [ --enable-interpreter enable interpreter],
100 if test "$enable_interpreter" = yes; then
101 # This can also be set in configure.host.
102 libgcj_interpreter=yes
103 elif test "$enable_interpreter" = no; then
104 libgcj_interpreter=no
107 if test "$libgcj_interpreter" = yes; then
108 AC_DEFINE(INTERPRETER)
111 AC_MSG_CHECKING([for exception model to use])
114 AC_ARG_ENABLE(sjlj-exceptions,
115 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
117 [dnl Botheration. Now we've got to detect the exception model.
118 dnl Link tests against libgcc.a are problematic since -- at least
119 dnl as of this writing -- we've not been given proper -L bits for
120 dnl single-tree newlib and libgloss.
122 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
123 dnl conftest files before we got a change to grep them first.
124 cat > conftest.$ac_ext << EOF
125 [#]line __oline__ "configure"
134 old_CXXFLAGS="$CXXFLAGS"
136 if AC_TRY_EVAL(ac_compile); then
137 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
138 enable_sjlj_exceptions=yes
139 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
140 enable_sjlj_exceptions=no
143 CXXFLAGS="$old_CXXFLAGS"
145 if test x$enable_sjlj_exceptions = xyes; then
146 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
147 [Define if the compiler is configured for setjmp/longjmp exceptions.])
148 ac_exception_model_name=sjlj
149 elif test x$enable_sjlj_exceptions = xno; then
150 ac_exception_model_name="call frame"
152 AC_MSG_ERROR([unable to detect exception model])
155 AC_MSG_RESULT($ac_exception_model_name)
157 dnl See if the user wants to disable java.net. This is the mildly
158 dnl ugly way that we admit that target-side configuration sucks.
159 AC_ARG_ENABLE(java-net,
160 [ --disable-java-net disable java.net])
162 dnl Whether java.net is built by default can depend on the target.
163 if test -z "$enable_java_net"; then
164 enable_java_net=${enable_java_net_default-yes}
166 if test "$enable_java_net" = no; then
167 AC_DEFINE(DISABLE_JAVA_NET)
170 dnl See if the user wants to configure without libffi. Some
171 dnl architectures don't support it, and default values are set in
174 [ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
178 if test "$with_libffi" != no; then
179 AC_DEFINE(USE_LIBFFI)
180 LIBFFI=../libffi/libfficonvenience.la
181 LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I$(MULTIBUILDTOP)../libffi/include'
186 dnl See if the user wants to disable JVMPI support.
188 [ --disable-jvmpi disable JVMPI support])
190 if test "$enable_jvmpi" != no; then
191 AC_DEFINE(ENABLE_JVMPI)
194 dnl If the target is an eCos system, use the appropriate eCos
196 dnl FIXME: this should not be a local option but a global target
197 dnl system; at present there is no eCos target.
198 TARGET_ECOS=${PROCESS-"no"}
200 [ --with-ecos enable runtime eCos target support],
201 TARGET_ECOS="$with_ecos"
205 case "$TARGET_ECOS" in
209 PLATFORMOBJS=win32.lo
214 PLATFORMOBJS=posix.lo
222 PLATFORMOBJS=posix.lo
226 AC_SUBST(PLATFORMOBJS)
227 AC_LINK_FILES(include/$PLATFORMH, include/platform.h)
229 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
230 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
231 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
232 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
235 dnl These may not be defined in a non-ANS conformant embedded system.
236 dnl FIXME: Should these case a runtime exception in that case?
237 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
238 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
240 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
241 dnl to create the link will fail.
242 test -d java || mkdir java
243 test -d java/io || mkdir java/io
244 test -d gnu || mkdir gnu
245 AC_LINK_FILES(java/io/natFile${PLATFORM}.cc, java/io/natFile.cc)
246 AC_LINK_FILES(java/io/natFileDescriptor${PLATFORM}.cc, java/io/natFileDescriptor.cc)
248 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
249 test -d java/lang || mkdir java/lang
250 AC_LINK_FILES(java/lang/${PLATFORM}Process.java, java/lang/ConcreteProcess.java)
251 AC_LINK_FILES(java/lang/nat${PLATFORM}Process.cc, java/lang/natConcreteProcess.cc)
255 SYSTEMSPEC="-lgdi32 -lwsock32 -lws2_32"
263 LIBGCJTESTSPEC="-L`pwd`/.libs -rpath `pwd`/.libs"
264 AC_SUBST(LIBGCJTESTSPEC)
266 AC_ARG_WITH(system-zlib,
267 [ --with-system-zlib use installed libz])
271 AC_SUBST(ZLIBTESTSPEC)
273 dnl FIXME: this should be _libs on some hosts.
276 dnl Allow the GC to be disabled. Can be useful when debugging.
277 AC_MSG_CHECKING([for garbage collector to use])
278 AC_ARG_ENABLE(java-gc,
279 changequote(<<,>>)dnl
280 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
294 GCDEPS='$(top_builddir)/../boehm-gc/libgcjgc.la'
295 # We include the path to the boehm-gc build directory.
296 # See Makefile.am to understand why.
297 GCLIBS="$GCDEPS -L\$(here)/../boehm-gc/$libsubdir"
298 GCINCS='-I$(top_srcdir)/../boehm-gc/include'
300 JC1GCSPEC='-fuse-boehm-gc'
301 GCTESTSPEC="-L`pwd`/../boehm-gc/.libs -rpath `pwd`/../boehm-gc/.libs"
302 dnl We also want to pick up some cpp flags required when including
303 dnl boehm-config.h. Yuck.
304 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
307 dnl The POSIX thread support needs to know this.
308 AC_DEFINE(HAVE_BOEHM_GC)
316 AC_MSG_ERROR(unrecognized collector \"$GC\")
326 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
329 AC_MSG_CHECKING([for thread model used by GCC])
330 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
331 AC_MSG_RESULT([$THREADS])
341 AC_DEFINE(LINUX_THREADS)
347 decosf1 | irix | mach | os2 | solaris | dce | vxworks)
348 AC_MSG_ERROR(thread package $THREADS not yet supported)
351 AC_MSG_ERROR($THREADS is an unknown thread package)
365 # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
370 # Before FreeBSD 5, it didn't have -lpthread (or any library which
371 # merely adds pthread_* functions) but it does have a -pthread switch
372 # which is required at link-time to select -lc_r *instead* of -lc.
374 # Don't set THREADSPEC here as might be expected since -pthread is
375 # not processed when found within a spec file, it must come from
376 # the command line. For now, the user must provide the -pthread
377 # switch to link code compiled with gcj. In future, consider adding
378 # support for weak references to pthread_* functions ala gthr.h API.
379 THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
382 # FreeBSD 5 implements a model much closer to other modern UNIX
383 # which support threads. However, it still does not support
393 THREADOBJS=posix-threads.lo
394 THREADH=posix-threads.h
395 # MIT pthreads doesn't seem to have the mutexattr functions.
396 # But for now we don't check for it. We just assume you aren't
397 # using MIT pthreads.
398 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
400 # If we're using the Boehm GC, then we happen to know that it
401 # defines _REENTRANT, so we don't bother. Eww.
402 if test "$GC" != boehm; then
403 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
405 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
409 THREADOBJS=win32-threads.lo
410 THREADH=win32-threads.h
414 THREADOBJS=no-threads.lo
418 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
426 # Hash synchronization is only useful with posix threads right now.
427 if test "$enable_hash_synchronization" = yes && test "$THREADS" = "posix"; then
428 HASH_SYNC_SPEC=-fhash-synchronization
429 AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
431 AC_SUBST(HASH_SYNC_SPEC)
434 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
440 # We're in the tree with gcc, and need to include some of its headers.
441 GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
443 if test -n "${with_cross_host}"; then
444 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
445 # may not work correctly, because the compiler may not be able to
448 # We assume newlib. This lets us hard-code the functions we know
450 AC_DEFINE(HAVE_MEMMOVE)
451 AC_DEFINE(HAVE_MEMCPY)
452 AC_DEFINE(HAVE_STRERROR)
453 AC_DEFINE(HAVE_GMTIME_R)
454 AC_DEFINE(HAVE_LOCALTIME_R)
455 dnl This is only for POSIX threads.
456 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
457 dnl We also assume we are using gcc, which provides alloca.
458 AC_DEFINE(HAVE_ALLOCA)
460 dnl Assume we do not have getuid and friends.
464 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
466 # If Canadian cross, then don't pick up tools from the build
468 if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then
471 GCJ="${target_alias}-gcj"
475 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep opendir)
476 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
477 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
478 AC_CHECK_FUNCS(nl_langinfo setlocale)
479 AC_CHECK_FUNCS(inet_aton inet_addr, break)
480 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
481 AC_CHECK_FUNCS(backtrace fork execvp pipe sigaction)
482 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
483 AC_CHECK_LIB(dl, dladdr, [
484 AC_DEFINE(HAVE_DLADDR)])
485 AC_CHECK_FILES(/proc/self/exe, [
486 AC_DEFINE(HAVE_PROC_SELF_EXE)])
492 AC_CHECK_FUNCS(gethostbyname_r, [
493 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
494 # There are two different kinds of gethostbyname_r.
495 # We look for the one that returns `int'.
496 # Hopefully this check is robust enough.
497 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
498 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
501 *" -D_REENTRANT "*) ;;
503 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
504 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
505 [libjava_cv_gethostbyname_r_needs_reentrant],
508 AC_TRY_COMPILE([#include <netdb.h>],
509 [gethostbyname_r("", 0, 0);],
510 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
511 CPPFLAGS_SAVE="$CPPFLAGS"
512 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
513 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
514 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
515 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
516 CPPFLAGS="$CPPFLAGS_SAVE"
520 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
521 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
526 AC_CACHE_CHECK([for struct hostent_data],
527 [libjava_cv_struct_hostent_data], [dnl
529 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
530 # define _REENTRANT 1
532 #include <netdb.h>], [struct hostent_data data;],
533 [libjava_cv_struct_hostent_data=yes],
534 [libjava_cv_struct_hostent_data=no])])
535 if test "x$libjava_cv_struct_hostent_data" = xyes; then
536 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
537 [Define if struct hostent_data is defined in netdb.h])
541 # FIXME: libjava source code expects to find a prototype for
542 # gethostbyaddr_r in netdb.h. The outer check ensures that
543 # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
544 # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
545 # linkage check is enough, yet C++ code requires proper prototypes.)
546 AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
547 AC_CHECK_FUNCS(gethostbyaddr_r, [
548 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
549 # There are two different kinds of gethostbyaddr_r.
550 # We look for the one that returns `int'.
551 # Hopefully this check is robust enough.
552 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
553 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])])
555 AC_CHECK_FUNCS(gethostname, [
556 AC_DEFINE(HAVE_GETHOSTNAME)
557 AC_EGREP_HEADER(gethostname, unistd.h, [
558 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
560 # Look for these functions in the thread library, but only bother
561 # if using POSIX threads.
562 if test "$THREADS" = posix; then
564 LIBS="$LIBS $THREADLIBS"
565 # Some POSIX thread systems don't have pthread_mutexattr_settype.
567 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
569 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
570 # Solaris 7 the name librt is preferred.
571 AC_CHECK_FUNCS(sched_yield, , [
572 AC_CHECK_LIB(rt, sched_yield, [
573 AC_DEFINE(HAVE_SCHED_YIELD)
574 THREADLIBS="$THREADLIBS -lrt"
575 THREADSPEC="$THREADSPEC -lrt"], [
576 AC_CHECK_LIB(posix4, sched_yield, [
577 AC_DEFINE(HAVE_SCHED_YIELD)
578 THREADLIBS="$THREADLIBS -lposix4"
579 THREADSPEC="$THREADSPEC -lposix4"])])])
582 # We can save a little space at runtime if the mutex has m_count
583 # or __m_count. This is a nice hack for Linux.
584 AC_TRY_COMPILE([#include <pthread.h>], [
585 extern pthread_mutex_t *mutex; int q = mutex->m_count;
586 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
587 AC_TRY_COMPILE([#include <pthread.h>], [
588 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
589 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
592 # We require a way to get the time.
594 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
595 if test "$time_found" = no; then
596 AC_MSG_ERROR([no function found to get the time])
599 AC_CHECK_FUNCS(memmove)
603 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
604 if test "$memcpy_found" = no; then
605 AC_MSG_ERROR([memcpy is required])
608 AC_CHECK_LIB(dl, dlopen, [
609 AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
611 # Some library-finding code we stole from Tcl.
612 #--------------------------------------------------------------------
613 # Check for the existence of the -lsocket and -lnsl libraries.
614 # The order here is important, so that they end up in the right
615 # order in the command line generated by make. Here are some
616 # special considerations:
617 # 1. Use "connect" and "accept" to check for -lsocket, and
618 # "gethostbyname" to check for -lnsl.
619 # 2. Use each function name only once: can't redo a check because
620 # autoconf caches the results of the last check and won't redo it.
621 # 3. Use -lnsl and -lsocket only if they supply procedures that
622 # aren't already present in the normal libraries. This is because
623 # IRIX 5.2 has libraries, but they aren't needed and they're
624 # bogus: they goof up name resolution if used.
625 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
626 # To get around this problem, check for both libraries together
627 # if -lsocket doesn't work by itself.
628 #--------------------------------------------------------------------
630 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
633 unset ac_cv_func_connect
634 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
635 if test "$gcj_checkSocket" = 1; then
636 unset ac_cv_func_connect
637 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
640 if test "$gcj_checkBoth" = 1; then
642 LIBS="$LIBS -lsocket -lnsl"
643 unset ac_cv_func_accept
644 AC_CHECK_FUNC(accept,
646 gcj_cv_lib_sockets="-lsocket -lnsl"])
647 unset ac_cv_func_accept
650 unset ac_cv_func_gethostbyname
652 LIBS="$LIBS $gcj_cv_lib_sockets"
653 AC_CHECK_FUNC(gethostbyname, ,
654 [AC_CHECK_LIB(nsl, main,
655 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
656 unset ac_cv_func_gethostbyname
659 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
661 if test "$with_system_zlib" = yes; then
662 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=-lzgcj)
665 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
668 # On Solaris, and maybe other architectures, the Boehm collector
670 if test "$GC" = boehm; then
671 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
674 if test -z "${with_multisubdir}"; then
678 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
681 if test -x "${builddotdot}/../../gcc/gcj"; then
682 dir="`cd ${builddotdot}/../../gcc && pwd`"
683 GCJ="$dir/gcj -B`pwd`/ -B$dir/"
691 # Create it, so that compile/link tests don't fail
692 test -f libgcj.spec || touch libgcj.spec
694 # We must search the source tree for java.lang, since we still don't
695 # have libgcj.jar nor java/lang/*.class
696 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
697 CPPFLAGS="$CPPFLAGS -I`pwd` -I`cd $srcdir && pwd`"
699 # Since some classes depend on this one, we need its source available
700 # before we can do any GCJ compilation test :-(
701 if test ! -f gnu/classpath/Configuration.java; then
702 test -d gnu || mkdir gnu
703 test -d gnu/classpath || mkdir gnu/classpath
704 sed 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
705 < $srcdir/gnu/classpath/Configuration.java.in \
706 > gnu/classpath/Configuration.java
707 # We do not want to redirect the output of the grep below to /dev/null,
708 # but we add /dev/null to the input list so that grep will print the
709 # filename of Configuration.java in case it finds any matches.
710 if grep @ gnu/classpath/Configuration.java /dev/null; then
711 AC_MSG_ERROR([configure.in is missing the substitutions above])
717 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
719 AC_COMPILE_CHECK_SIZEOF(void *)
724 if test "x$ZLIBSPEC" = "x-lzgcj"; then
725 # We include the path to the zlib build directory.
726 # See Makefile.am to understand why.
727 ZDEPS='$(top_builddir)/../zlib/libzgcj.la'
728 ZLIBS="$ZDEPS -L\$(here)/../zlib/$libsubdir"
729 ZINCS='-I$(top_srcdir)/../zlib'
737 AC_SUBST(EXCEPTIONSPEC)
739 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
740 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
741 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
742 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
743 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
744 AC_SUBST(GCC_UNWIND_INCLUDE)
746 AC_SUBST(AM_RUNTESTFLAGS)
748 dnl Work around a g++ bug. Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000.
749 AC_MSG_CHECKING([for g++ -ffloat-store bug])
750 save_CFLAGS="$CFLAGS"
751 CFLAGS="-x c++ -O2 -ffloat-store"
752 AC_TRY_COMPILE([#include <math.h>], ,
754 [AC_DEFINE(__NO_MATH_INLINES)
756 CFLAGS="$save_CFLAGS"
758 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
759 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
760 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
761 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 stdint.h langinfo.h locale.h)
762 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
763 dnl for now. If you change this, you also must update natFile.cc.
764 AC_CHECK_HEADERS(dirent.h)
765 AC_CHECK_HEADERS(inttypes.h, [
766 AC_DEFINE(HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
767 AC_DEFINE(JV_HAVE_INTTYPES_H, 1, [Define if <inttypes.h> is available])
771 AC_CHECK_TYPE([ssize_t], [int])
773 AC_MSG_CHECKING([for in_addr_t])
774 AC_TRY_COMPILE([#include <sys/types.h>
779 #if HAVE_NETINET_IN_H
780 #include <netinet/in.h>
781 #endif], [in_addr_t foo;],
782 [AC_DEFINE([HAVE_IN_ADDR_T])
786 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
787 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
788 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
792 AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
793 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
794 [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ)
798 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
799 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
800 [AC_DEFINE(HAVE_INET6)
804 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
805 AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
806 #include <sys/types.h>
807 #include <sys/socket.h>], [socklen_t x = 5;],
808 [AC_DEFINE(HAVE_SOCKLEN_T)
812 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
813 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
814 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
817 AC_MSG_CHECKING([for global timezone variable])
818 dnl FIXME: we don't want a link check here because that won't work
819 dnl when cross-compiling. So instead we make an assumption that
820 dnl the header file will mention timezone if it exists.
821 AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
822 [AC_DEFINE(HAVE_TIMEZONE)
824 [AC_MSG_RESULT(no)])])
828 AC_CHECK_PROGS(PERL, perl, false)
834 SIGNAL_HANDLER=include/i386-signal.h
837 SIGNAL_HANDLER=include/sparc-signal.h
840 # SYSDEP_SOURCES=sysdep/ia64.c
841 # test -d sysdep || mkdir sysdep
844 SIGNAL_HANDLER=include/dwarf2-signal.h
847 SIGNAL_HANDLER=include/dwarf2-signal.h
850 SIGNAL_HANDLER=include/win32-signal.h
853 SIGNAL_HANDLER=include/default-signal.h
857 # If we're using sjlj exceptions, forget what we just learned.
858 if test "$enable_sjlj_exceptions" = yes; then
859 SIGNAL_HANDLER=include/default-signal.h
862 AC_SUBST(SYSDEP_SOURCES)
864 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
866 if test "${multilib}" = "yes"; then
867 multilib_arg="--enable-multilib"
874 dnl Determine which AWT peer libraries to build
875 AC_ARG_ENABLE(java-awt,
876 [ --enable-java-awt list of AWT peer implementations to be built])
878 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
882 for peer in $peerlibs ; do
885 if [test "$no_x" = yes]; then
886 echo "*** xlib peers requested but no X library available" 1>&2
901 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
906 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
907 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
913 # We get this from the environment.
916 AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
917 [# Only add multilib support code if we just rebuilt top-level Makefile.
918 case " $CONFIG_FILES " in
920 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
924 # Make subdirectories and `.d' files. Look in both srcdir and
925 # builddir for the .java files.
928 ( (cd $srcdir && find . \( -name '*.java' -o -name '*.cc' \) -print) ;
929 find . \( -name '*.java' -o -name '*.cc' \) -print) | \
930 fgrep -v testsuite | \
931 sed -e 's/\.java/.d/'\;'s/\.cc/.d/' | \
933 echo "include $f" >> deps.mk
936 d=`echo $f | sed -e 's,/[^/]*$,,'`
938 if test ! -d $d; then
939 $libgcj_basedir/../mkinstalldirs $d
948 with_multisubdir=${with_multisubdir}
949 ac_configure_args="${multilib_arg} ${ac_configure_args}"
950 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
951 libgcj_basedir=${libgcj_basedir}