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.
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=$enable_hash_synchronization_default
+fi
+
+
dnl See if the user has requested runtime debugging.
LIBGCJDEBUG="false"
AC_SUBST(LIBGCJDEBUG)
AC_LANG_RESTORE
AC_MSG_RESULT($ac_exception_model_name)
-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)
-
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.
AC_ARG_ENABLE(java-net,
[ --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])
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 "$GCC" = yes)
CANADIAN=no
NATIVE=yes
# We're in the tree with gcc, and need to include some of its headers.
-GCC_UNWIND_INCLUDE='-I$(top_srcdir)/../gcc'
+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
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 utime chmod)
- AC_CHECK_FUNCS(iconv nl_langinfo setlocale)
+ 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.
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)],
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
gtk)
# Nothing, yet...
;;
+ no)
+ use_xlib_awt=
+ use_gtk_awt=
+ break
+ ;;
*)
echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
exit 1
AC_SUBST(GCJFLAGS)
AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
-[if test -n "$CONFIG_FILES"; then
- ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
-fi
+[# 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
+ $libgcj_basedir/../mkinstalldirs $d
echo > $f
}
done
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