dnl Process this with autoconf to create configure
AC_INIT(java/lang/System.java)
-dnl Can't be done in LIBGCJ_CONFIGURE because that confuses automake.
-AC_CONFIG_AUX_DIR(..)
-
-AC_CANONICAL_SYSTEM
+AC_PROG_LN_S
dnl We use these options to decide which functions to include.
AC_ARG_WITH(target-subdir,
LIBGCJ_CONFIGURE(.)
-AM_CONFIG_HEADER(include/config.h)
+AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
# Only use libltdl for native builds.
if test -z "${with_cross_host}"; then
AC_DEFINE(USE_LTDL)
# Sigh. Libtool's macro doesn't do the right thing.
INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
+ # FIXME: this is a hack.
+ sub_auxdir="`cd $ac_aux_dir && pwd`"
+ ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"
fi
AC_SUBST(INCLTDL)
AC_SUBST(LIBLTDL)
don't set system properties from GCJ_PROPERTIES])
dnl Whether GCJ_PROPERTIES is used depends on the target.
-if test -n "$enable_getenv_properties"; then
+if test -z "$enable_getenv_properties"; then
enable_getenv_properties=${enable_getenv_properties_default-yes}
fi
if test "$enable_getenv_properties" = no; then
AC_DEFINE(DISABLE_GETENV_PROPERTIES)
fi
+
+dnl Should we use hashtable-based synchronization?
+dnl Currently works only for Linux X86/ia64
+dnl Typically faster and more space-efficient
+AC_ARG_ENABLE(hash-synchronization,
+[ --enable-hash-synchronization
+ Use global hash table for monitor locks])
+
+if test -z "$enable_hash_synchronization"; then
+ enable_hash_synchronization=$enable_hash_synchronization_default
+fi
+
+
dnl See if the user has requested runtime debugging.
+LIBGCJDEBUG="false"
+AC_SUBST(LIBGCJDEBUG)
AC_ARG_ENABLE(libgcj-debug,
[ --enable-libgcj-debug enable runtime debugging code],
if test "$enable_libgcj_debug" = yes; then
- AC_DEFINE(DEBUG)
+ AC_DEFINE(DEBUG)
+ LIBGCJDEBUG="true"
fi)
dnl See if the user has the interpreter included.
AC_DEFINE(INTERPRETER)
fi
-EXCEPTIONSPEC=
-dnl See if we should use setjmp/longjmp exceptions
+AC_MSG_CHECKING([for exception model to use])
+AC_LANG_SAVE
+AC_LANG_CPLUSPLUS
AC_ARG_ENABLE(sjlj-exceptions,
-[ --enable-sjlj-exceptions use setjmp/longjmp exceptions],
- if test "$enable_sjlj_exceptions" = yes; then
- # This can be set in configure.host.
- libgcj_sjlj=yes
- fi)
-
-if test "$libgcj_sjlj" = yes; then
- EXCEPTIONSPEC="-fsjlj-exceptions"
- AC_DEFINE(SJLJ_EXCEPTIONS)
+[ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
+[:],
+[dnl Botheration. Now we've got to detect the exception model.
+dnl Link tests against libgcc.a are problematic since -- at least
+dnl as of this writing -- we've not been given proper -L bits for
+dnl single-tree newlib and libgloss.
+dnl
+dnl This is what AC_TRY_COMPILE would do if it didn't delete the
+dnl conftest files before we got a change to grep them first.
+cat > conftest.$ac_ext << EOF
+[#]line __oline__ "configure"
+struct S { ~S(); };
+void bar();
+void foo()
+{
+ S s;
+ bar();
+}
+EOF
+old_CXXFLAGS="$CXXFLAGS"
+CXXFLAGS=-S
+if AC_TRY_EVAL(ac_compile); then
+ if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
+ enable_sjlj_exceptions=yes
+ elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
+ enable_sjlj_exceptions=no
+ fi
fi
-
-FORCELIBGCCSPEC=
-dnl Work around libgcc design flaw.
-if test "$ac_cv_prog_gnu_ld" = yes; then
- FORCELIBGCCSPEC="-u __rethrow -u __frame_state_for -lgcc"
-fi
-
-AC_MSG_CHECKING([for data_start])
-LIBDATASTARTSPEC=
-NEEDS_DATA_START=
-AC_TRY_LINK([extern int data_start;], [return ((int) &data_start);],
- [AC_MSG_RESULT(found it)],
- [LIBDATASTARTSPEC="-u data_start libgcjdata.a%s"
- NEEDS_DATA_START=yes
- AC_MSG_RESULT(missing)])
-AC_SUBST(LIBDATASTARTSPEC)
+CXXFLAGS="$old_CXXFLAGS"
+rm -f conftest*])
+if test x$enable_sjlj_exceptions = xyes; then
+ AC_DEFINE(SJLJ_EXCEPTIONS, 1,
+ [Define if the compiler is configured for setjmp/longjmp exceptions.])
+ ac_exception_model_name=sjlj
+elif test x$enable_sjlj_exceptions = xno; then
+ ac_exception_model_name="call frame"
+else
+ AC_MSG_ERROR([unable to detect exception model])
+fi
+AC_LANG_RESTORE
+AC_MSG_RESULT($ac_exception_model_name)
dnl See if the user wants to disable java.net. This is the mildly
dnl ugly way that we admit that target-side configuration sucks.
[ --disable-java-net disable java.net])
dnl Whether java.net is built by default can depend on the target.
-if test -n "$enable_java_net"; then
+if test -z "$enable_java_net"; then
enable_java_net=${enable_java_net_default-yes}
fi
if test "$enable_java_net" = no; then
AC_DEFINE(DISABLE_JAVA_NET)
fi
+dnl See if the user wants to configure without libffi. Some
+dnl architectures don't support it, and default values are set in
+dnl configure.host.
+AC_ARG_WITH(libffi,
+[ --without-libffi don't use libffi],,with_libffi=${with_libffi_default-yes})
+
+LIBFFI=
+LIBFFIINCS=
+if test "$with_libffi" != no; then
+ AC_DEFINE(USE_LIBFFI)
+ LIBFFI=../libffi/libfficonvenience.la
+ LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I$(MULTIBUILDTOP)../libffi/include'
+fi
+AC_SUBST(LIBFFI)
+AC_SUBST(LIBFFIINCS)
+
dnl See if the user wants to disable JVMPI support.
AC_ARG_ENABLE(jvmpi,
[ --disable-jvmpi disable JVMPI support])
dnl to create the link will fail.
test -d java || mkdir java
test -d java/io || mkdir java/io
+test -d gnu || mkdir gnu
AC_LINK_FILES(java/io/$FILE_DESCRIPTOR, java/io/natFileDescriptor.cc)
dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
# We include the path to the boehm-gc build directory.
# See Makefile.am to understand why.
GCLIBS="$GCDEPS -L\$(here)/../boehm-gc/$libsubdir"
- GCINCS='-I$(top_srcdir)/../boehm-gc -I$(top_builddir)/../boehm-gc'
+ GCINCS='-I$(top_srcdir)/../boehm-gc/include'
GCSPEC='-lgcjgc'
JC1GCSPEC='-fuse-boehm-gc'
GCTESTSPEC="-L`pwd`/../boehm-gc/.libs -rpath `pwd`/../boehm-gc/.libs"
AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
-dnl Note that this code is kept in sync with similar code in gcc/configure.in.
-dnl In particular both packages must make the same decision about which
-dnl thread package to use.
-AC_MSG_CHECKING([for threads package to use])
-AC_ARG_ENABLE(threads, [ --enable-threads=TYPE choose threading package],
- THREADS=$enableval,
- dnl FIXME: figure out native threads to use here.
- THREADS=no)
-
-if test "$THREADS" = yes; then
- case "$host" in
- *-*-vxworks*)
- THREADS=vxworks
- ;;
- *-*-linux*)
- # FIXME: this isn't correct in all cases.
- THREADS=posix
- ;;
- *-*-win*)
- THREADS=win32
- ;;
- *-*-irix*)
- # FIXME: for now, choose POSIX, because we implement that.
- # Later, choose irix threads.
- THREADS=posix
- ;;
- *-*-solaris*)
- # FIXME: for now, choose POSIX, because we implement that.
- # Later, choose solaris threads.
- THREADS=posix
- ;;
- *)
- # For now.
- THREADS=none
- ;;
- esac
-fi
+AC_MSG_CHECKING([for thread model used by GCC])
+THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
+AC_MSG_RESULT([$THREADS])
case "$THREADS" in
no | none | single)
AC_MSG_ERROR($THREADS is an unknown thread package)
;;
esac
-AC_MSG_RESULT($THREADS)
THREADLIBS=
THREADINCS=
THREADSPEC=
case "$THREADS" in
posix)
- THREADLIBS=-lpthread
- THREADSPEC=-lpthread
+ case "$host" in
+ *-*-cygwin*)
+ # Don't set THREADLIBS here. Cygwin doesn't have -lpthread.
+ ;;
+changequote(<<,>>)
+ *-*-freebsd[1234]*)
+changequote([,])
+ # Before FreeBSD 5, it didn't have -lpthread (or any library which
+ # merely adds pthread_* functions) but it does have a -pthread switch
+ # which is required at link-time to select -lc_r *instead* of -lc.
+ THREADLIBS=-pthread
+ # Don't set THREADSPEC here as might be expected since -pthread is
+ # not processed when found within a spec file, it must come from
+ # the command line. For now, the user must provide the -pthread
+ # switch to link code compiled with gcj. In future, consider adding
+ # support for weak references to pthread_* functions ala gthr.h API.
+ THREADSPEC='%{!pthread: %eUnder this configuration, the user must provide -pthread when linking.}'
+ ;;
+ *-*-freebsd*)
+ # FreeBSD 5 implements a model much closer to other modern UNIX
+ # which support threads. However, it still does not support
+ # -lpthread.
+ THREADLIBS=-pthread
+ THREADSPEC=-lc_r
+ ;;
+ *)
+ THREADLIBS=-lpthread
+ THREADSPEC=-lpthread
+ ;;
+ esac
THREADOBJS=posix-threads.lo
THREADH=posix-threads.h
# MIT pthreads doesn't seem to have the mutexattr functions.
AC_SUBST(THREADOBJS)
AC_SUBST(THREADSPEC)
+HASH_SYNC_SPEC=
+# Hash synchronization is only useful with posix threads right now.
+if test "$enable_hash_synchronization" = yes && test "$THREADS" = "posix"; then
+ HASH_SYNC_SPEC=-fhash-synchronization
+ AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])
+fi
+AC_SUBST(HASH_SYNC_SPEC)
+
+
AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
CANADIAN=no
NULL_TARGET=no
NATIVE=yes
-# Find eh-common.h and support headers. If we're in the tree with
-# gcc, then look there. Otherwise look in compat-include. If all else
-# fails, just hope the user has set things up somehow.
-if test -r $srcdir/../gcc/eh-common.h; then
- EH_COMMON_INCLUDE='-I$(top_srcdir)/../gcc -I$(top_srcdir)/../include'
-else
- if test -d $srcdir/../compat-include; then
- EH_COMMON_INCLUDE='-I$(top_srcdir)/../compat-include'
- else
- EH_COMMON_INCLUDE=
- fi
-fi
+# We're in the tree with gcc, and need to include some of its headers.
+GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'
if test -n "${with_cross_host}"; then
# We are being configured with a cross compiler. AC_REPLACE_FUNCS
# If Canadian cross, then don't pick up tools from the build
# directory.
- if test "$build" != "$with_cross_host"; then
+ if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then
CANADIAN=yes
- EH_COMMON_INCLUDE=
+ GCC_UNWIND_INCLUDE=
GCJ="${target_alias}-gcj"
- else
- GCJ=
fi
NATIVE=no
else
AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep)
AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
- AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath)
- AC_CHECK_FUNCS(iconv nl_langinfo)
+ AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
+ AC_CHECK_FUNCS(nl_langinfo setlocale)
AC_CHECK_FUNCS(inet_aton inet_addr, break)
AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
- AC_CHECK_FUNCS(backtrace fork execvp pipe)
+ AC_CHECK_FUNCS(backtrace fork execvp pipe sigaction)
AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
AC_CHECK_LIB(dl, dladdr, [
AC_DEFINE(HAVE_DLADDR)])
AC_CHECK_FILES(/proc/self/exe, [
AC_DEFINE(HAVE_PROC_SELF_EXE)])
+ AM_ICONV
+
AC_CHECK_FUNCS(gethostbyname_r, [
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
# There are two different kinds of gethostbyname_r.
fi
])
+ # FIXME: libjava source code expects to find a prototype for
+ # gethostbyaddr_r in netdb.h. The outer check ensures that
+ # HAVE_GETHOSTBYADDR_R will not be defined if the prototype fails
+ # to exist where expected. (The root issue: AC_CHECK_FUNCS assumes C
+ # linkage check is enough, yet C++ code requires proper prototypes.)
+ AC_EGREP_HEADER(gethostbyaddr_r, netdb.h, [
AC_CHECK_FUNCS(gethostbyaddr_r, [
AC_DEFINE(HAVE_GETHOSTBYADDR_R)
# There are two different kinds of gethostbyaddr_r.
# We look for the one that returns `int'.
# Hopefully this check is robust enough.
AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
- AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])
+ AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])])
AC_CHECK_FUNCS(gethostname, [
AC_DEFINE(HAVE_GETHOSTNAME)
AC_MSG_ERROR([memcpy is required])
fi
+ AC_CHECK_LIB(dl, dlopen, [AC_DEFINE(HAVE_DLOPEN)])
+
# Some library-finding code we stole from Tcl.
#--------------------------------------------------------------------
# Check for the existence of the -lsocket and -lnsl libraries.
# Create it, so that compile/link tests don't fail
test -f libgcj.spec || touch libgcj.spec
-GCJ="$GCJ -I$srcdir"
+
+# We must search the source tree for java.lang, since we still don't
+# have libgcj.jar nor java/lang/*.class
+GCJ_SAVE_CPPFLAGS=$CPPFLAGS
+CPPFLAGS="$CPPFLAGS -I`pwd` -I`cd $srcdir && pwd`"
+
+# Since some classes depend on this one, we need its source available
+# before we can do any GCJ compilation test :-(
+if test ! -f gnu/classpath/Configuration.java; then
+ test -d gnu || mkdir gnu
+ test -d gnu/classpath || mkdir gnu/classpath
+ sed 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
+ < $srcdir/gnu/classpath/Configuration.java.in \
+ > gnu/classpath/Configuration.java
+ # We do not want to redirect the output of the grep below to /dev/null,
+ # but we add /dev/null to the input list so that grep will print the
+ # filename of Configuration.java in case it finds any matches.
+ if grep @ gnu/classpath/Configuration.java /dev/null; then
+ AC_MSG_ERROR([configure.in is missing the substitutions above])
+ fi
+fi
LT_AC_PROG_GCJ
+CPPFLAGS=$GCJ_SAVE_CPPFLAGS
+
dnl FIXME: cross compilation
AC_CHECK_SIZEOF(void *)
AC_SUBST(ZINCS)
AC_SUBST(DIVIDESPEC)
AC_SUBST(EXCEPTIONSPEC)
-AC_SUBST(FORCELIBGCCSPEC)
AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
-AC_SUBST(EH_COMMON_INCLUDE)
+AC_SUBST(GCC_UNWIND_INCLUDE)
# Determine gcj version number.
changequote(<<,>>)
gcjvers="`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`"
changequote([,])
AC_DEFINE_UNQUOTED(GCJVERSION, "$gcjvers")
-
-# See if gcj supports -fuse-divide-subroutine. gcc 2.95 does not, and
-# we want to continue to support that version.
-AC_MSG_CHECKING([whether gcj supports -fuse-divide-subroutine])
-cat > conftest.java << 'END'
-public class conftest { }
-END
-use_fuse=yes
-$GCJ -classpath $srcdir -fuse-divide-subroutine -fsyntax-only \
- conftest.java > /dev/null 2>&1 \
- || use_fuse=no
-rm -f conftest.java
-if test "$use_fuse" = no; then
- DIVIDESPEC=
-fi
-AC_MSG_RESULT($use_fuse)
+AC_SUBST(GCJVERSION)
AC_SUBST(AM_RUNTESTFLAGS)
dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
dnl On that system, sys/ioctl.h will not include sys/filio.h unless
dnl BSD_COMP is defined; just including sys/filio.h is simpler.
-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)
+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)
dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
dnl for now. If you change this, you also must update natFile.cc.
AC_CHECK_HEADERS(dirent.h)
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
+AC_MSG_CHECKING([whether struct ipv6_mreq is in netinet/in.h])
+AC_TRY_COMPILE([#include <netinet/in.h>], [struct ipv6_mreq mreq6;],
+ [AC_DEFINE(HAVE_STRUCT_IPV6_MREQ)
+ AC_MSG_RESULT(yes)],
+ [AC_MSG_RESULT(no)])
+
AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
[AC_DEFINE(HAVE_INET6)
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING([for socklen_t in sys/socket.h])
-AC_TRY_COMPILE([#include <sys/types.h>
+AC_TRY_COMPILE([#define _POSIX_PII_SOCKET
+#include <sys/types.h>
#include <sys/socket.h>], [socklen_t x = 5;],
[AC_DEFINE(HAVE_SOCKLEN_T)
AC_MSG_RESULT(yes)],
sparc-sun-solaris*)
SIGNAL_HANDLER=include/sparc-signal.h
;;
- ia64-*)
- SYSDEP_SOURCES=sysdep/ia64.c
- test -d sysdep || mkdir sysdep
+# ia64-*)
+# SYSDEP_SOURCES=sysdep/ia64.c
+# test -d sysdep || mkdir sysdep
+# ;;
+ powerpc-*-linux*)
+ SIGNAL_HANDLER=include/dwarf2-signal.h
+ ;;
+ alpha*-*-linux*)
+ SIGNAL_HANDLER=include/dwarf2-signal.h
;;
*)
SIGNAL_HANDLER=include/default-signal.h
esac
# If we're using sjlj exceptions, forget what we just learned.
-if test "$libgcj_sjlj" = yes; then
+if test "$enable_sjlj_exceptions" = yes; then
SIGNAL_HANDLER=include/default-signal.h
fi
multilib_arg=
fi
+AC_PATH_XTRA
+
+dnl Determine which AWT peer libraries to build
+AC_ARG_ENABLE(java-awt,
+[ --enable-java-awt list of AWT peer implementations to be built])
+
+peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
+use_xlib_awt=""
+use_gtk_awt=""
+
+for peer in $peerlibs ; do
+ case $peer in
+ xlib)
+ if [test "$no_x" = yes]; then
+ echo "*** xlib peers requested but no X library available" 1>&2
+ exit 1
+ else
+ use_xlib_awt="yes"
+ fi
+ ;;
+ gtk)
+ # Nothing, yet...
+ ;;
+ no)
+ use_xlib_awt=
+ use_gtk_awt=
+ break
+ ;;
+ *)
+ echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
+ exit 1
+ esac
+done
+
+AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
+AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
+
+
here=`pwd`
AC_SUBST(here)
+# We get this from the environment.
+AC_SUBST(GCJFLAGS)
-AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gcj/Makefile include/Makefile testsuite/Makefile,
-[if test -n "$CONFIG_FILES"; then
- ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
-fi
+AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
+[# Only add multilib support code if we just rebuilt top-level Makefile.
+case " $CONFIG_FILES " in
+ *" Makefile "*)
+ ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
+ ;;
+esac
# Make subdirectories and `.d' files. Look in both srcdir and
# builddir for the .java files.
changequote(<<,>>)
d=`echo $f | sed -e 's,/[^/]*$,,'`
changequote([,])
- $srcdir/../mkinstalldirs $d
- : > $f
+ $libgcj_basedir/../mkinstalldirs $d
+ echo > $f
}
done
],
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