Runtime.java (loadLibraryInternal): Declare.

* java/lang/Runtime.java (loadLibraryInternal): Declare.
	* java/lang/natClassLoader.cc (_Jv_FindClass): Removed dead copy.
	(_Jv_FindClassInCache): Likewise.
	(_Jv_FindClass): Don't conditionalize body on INTERPRETER.
	(findSystemClass): Try to load class from compiled module.
	Include Runtime.h.
	* java/lang/natRuntime.cc (load): Use UTF-8 copy of filename.
	(loadLibrary): Likewise.
	(lt_preloaded_symbols): Define.
	(loadLibraryInternal): New method.
	* include/config.h.in: Rebuilt.
	* acconfig.h (USE_LTDL): Added.
	* Makefile.am (SUBDIRS): Added $(DIRLTDL).
	(INCLUDES): Added $(INCLTDL).b
	(libgcj_la_DEPENDENCIES): Added $(LIBLTDL).
	(libgcj_la_LIBADD): Likewise.
	* aclocal.m4, configure: Rebuilt.
	* configure.in: Added libltdl support.

From-SVN: r31472

libjava/ChangeLog

@@ -1,3 +1,24 @@
+2000-01-17  Tom Tromey  <tromey@cygnus.com>
+
+	* java/lang/Runtime.java (loadLibraryInternal): Declare.
+	* java/lang/natClassLoader.cc (_Jv_FindClass): Removed dead copy.
+	(_Jv_FindClassInCache): Likewise.
+	(_Jv_FindClass): Don't conditionalize body on INTERPRETER.
+	(findSystemClass): Try to load class from compiled module.
+	Include Runtime.h.
+	* java/lang/natRuntime.cc (load): Use UTF-8 copy of filename.
+	(loadLibrary): Likewise.
+	(lt_preloaded_symbols): Define.
+	(loadLibraryInternal): New method.
+	* include/config.h.in: Rebuilt.
+	* acconfig.h (USE_LTDL): Added.
+	* Makefile.am (SUBDIRS): Added $(DIRLTDL).
+	(INCLUDES): Added $(INCLTDL).b
+	(libgcj_la_DEPENDENCIES): Added $(LIBLTDL).
+	(libgcj_la_LIBADD): Likewise.
+	* aclocal.m4, configure: Rebuilt.
+	* configure.in: Added libltdl support.
+
 2000-01-15  Tom Tromey  <tromey@cygnus.com>
 
 	* prims.cc (_Jv_PrimClass): Use `JV_STATE_NOTHING', not `0'.

libjava/Makefile.am

@@ -3,9 +3,9 @@
 AUTOMAKE_OPTIONS = foreign no-installinfo
 
 if TESTSUBDIR
-SUBDIRS = testsuite gcj include
+SUBDIRS = $(DIRLTDL) testsuite gcj include
 else
-SUBDIRS = gcj include
+SUBDIRS = $(DIRLTDL) gcj include
 endif
 
 ## ################################################################
@@ -90,7 +90,7 @@ JC1FLAGS = -g -L$(here) @LIBGCJ_JAVAFLAGS@
 LIBFFIINCS = -I$(top_srcdir)/../libffi/include -I../libffi/include
 
 INCLUDES = -I$(top_srcdir) -Iinclude -I$(top_srcdir)/include \
-	$(GCINCS) $(THREADINCS) \
+	$(GCINCS) $(THREADINCS) $(INCLTDL) \
 	$(EH_COMMON_INCLUDE) $(ZINCS) $(LIBFFIINCS)
 
 
@@ -116,9 +116,9 @@ libgcj_la_SOURCES = prims.cc jni.cc exception.cc \
 EXTRA_libgcj_la_SOURCES = boehm.cc nogc.cc posix-threads.cc no-threads.cc \
 	$(c_source_files) $(java_source_files) $(built_java_source_files)
 libgcj_la_DEPENDENCIES = libgcj.zip $(javao_files) $(nat_files) \
-	$(c_files) $(GCOBJS) $(THREADOBJS)
+	$(c_files) $(GCOBJS) $(THREADOBJS) $(LIBLTDL)
 libgcj_la_LIBADD = $(javao_files) $(nat_files) $(c_files) $(GCOBJS) \
-	$(THREADOBJS) $(libffi_files)
+	$(THREADOBJS) $(libffi_files) $(LIBLTDL)
 libgcj_la_LDFLAGS = -rpath $(toolexeclibdir) \
 ## The mysterious backslash is consumed by make.
 	-version-info `grep -v '^\#' $(srcdir)/libtool-version`

libjava/Makefile.in

@@ -71,6 +71,7 @@ COMPPATH = @COMPPATH@
 CPP = @CPP@
 CXX = @CXX@
 CXXCPP = @CXXCPP@
+DIRLTDL = @DIRLTDL@
 DIVIDESPEC = @DIVIDESPEC@
 DLLTOOL = @DLLTOOL@
 EXCEPTIONSPEC = @EXCEPTIONSPEC@
@@ -81,15 +82,17 @@ GCINCS = @GCINCS@
 GCLIBS = @GCLIBS@
 GCOBJS = @GCOBJS@
 GCSPEC = @GCSPEC@
-LD = @LD@
+INCLTDL = @INCLTDL@
 LIBDATASTARTSPEC = @LIBDATASTARTSPEC@
 LIBGCJ_CFLAGS = @LIBGCJ_CFLAGS@
 LIBGCJ_CXXFLAGS = @LIBGCJ_CXXFLAGS@
 LIBGCJ_JAVAFLAGS = @LIBGCJ_JAVAFLAGS@
+LIBLTDL = @LIBLTDL@
 LIBTOOL = @LIBTOOL@
 LN_S = @LN_S@
 MAINT = @MAINT@
 MAKEINFO = @MAKEINFO@
+OBJDUMP = @OBJDUMP@
 PACKAGE = @PACKAGE@
 PERL = @PERL@
 RANLIB = @RANLIB@
@@ -99,7 +102,6 @@ THREADINCS = @THREADINCS@
 THREADLIBS = @THREADLIBS@
 THREADOBJS = @THREADOBJS@
 THREADSPEC = @THREADSPEC@
-USE_SYMBOL_UNDERSCORE = @USE_SYMBOL_UNDERSCORE@
 VERSION = @VERSION@
 ZDEPS = @ZDEPS@
 ZINCS = @ZINCS@
@@ -110,9 +112,9 @@ libgcj_basedir = @libgcj_basedir@
 
 AUTOMAKE_OPTIONS = foreign no-installinfo
 @TESTSUBDIR_TRUE@SUBDIRS = \
-@TESTSUBDIR_TRUE@testsuite gcj include
+@TESTSUBDIR_TRUE@$(DIRLTDL) testsuite gcj include
 @TESTSUBDIR_FALSE@SUBDIRS = \
-@TESTSUBDIR_FALSE@gcj include
+@TESTSUBDIR_FALSE@$(DIRLTDL) gcj include
 @USE_LIBDIR_TRUE@toolexeclibdir = \
 @USE_LIBDIR_TRUE@$(libdir)$(MULTISUBDIR)
 @USE_LIBDIR_FALSE@toolexeclibdir = \
@@ -171,7 +173,7 @@ JC1FLAGS = -g -L$(here) @LIBGCJ_JAVAFLAGS@
 LIBFFIINCS = -I$(top_srcdir)/../libffi/include -I../libffi/include
 
 INCLUDES = -I$(top_srcdir) -Iinclude -I$(top_srcdir)/include \
-	$(GCINCS) $(THREADINCS) \
+	$(GCINCS) $(THREADINCS) $(INCLTDL) \
 	$(EH_COMMON_INCLUDE) $(ZINCS) $(LIBFFIINCS)
 
 
@@ -190,10 +192,10 @@ EXTRA_libgcj_la_SOURCES = boehm.cc nogc.cc posix-threads.cc no-threads.cc \
 	$(c_source_files) $(java_source_files) $(built_java_source_files)
 
 libgcj_la_DEPENDENCIES = libgcj.zip $(javao_files) $(nat_files) \
-	$(c_files) $(GCOBJS) $(THREADOBJS)
+	$(c_files) $(GCOBJS) $(THREADOBJS) $(LIBLTDL)
 
 libgcj_la_LIBADD = $(javao_files) $(nat_files) $(c_files) $(GCOBJS) \
-	$(THREADOBJS) $(libffi_files)
+	$(THREADOBJS) $(libffi_files) $(LIBLTDL)
 
 libgcj_la_LDFLAGS = -rpath $(toolexeclibdir) \
 	-version-info `grep -v '^\#' $(srcdir)/libtool-version`
@@ -730,7 +732,7 @@ DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
 
 TAR = tar
 GZIP_ENV = --best
-DIST_SUBDIRS =  testsuite gcj include gcj include
+DIST_SUBDIRS =  @DIRLTDL@ testsuite gcj include @DIRLTDL@ gcj include
 DEP_FILES =  .deps/$(srcdir)/$(CONVERT_DIR)/gen-from-JIS.P \
 .deps/$(srcdir)/$(CONVERT_DIR)/make-trie.P .deps/boehm.P \
 .deps/defineclass.P .deps/exception.P .deps/gij.P \

libjava/acconfig.h

@@ -125,3 +125,6 @@
  
 /* Define if getuid() and friends are missing.  */
 #undef NO_GETUID
+
+/* Define if libltdl is in use.  */
+#undef USE_LTDL

libjava/aclocal.m4

@@ -322,7 +322,7 @@ done<<>>dnl>>)
 changequote([,]))])
 
 
-# serial 35 AC_PROG_LIBTOOL
+# serial 40 AC_PROG_LIBTOOL
 AC_DEFUN(AC_PROG_LIBTOOL,
 [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
 
@@ -331,10 +331,11 @@ AC_CACHE_SAVE
 
 # Actually configure libtool.  ac_aux_dir is where install-sh is found.
 CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
-LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \
+LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
-DLLTOOL="$DLLTOOL" AS="$AS" \
+LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
+DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
-$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
+$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $lt_target \
 || AC_MSG_ERROR([libtool configure failed])
 
 # Reload cache, that may have been modified by ltconfig
@@ -363,24 +364,33 @@ AC_REQUIRE([AC_PROG_RANLIB])dnl
 AC_REQUIRE([AC_PROG_CC])dnl
 AC_REQUIRE([AC_PROG_LD])dnl
 AC_REQUIRE([AC_PROG_NM])dnl
-AC_REQUIRE([AC_SYS_NM_PARSE])dnl
-AC_REQUIRE([AC_SYS_SYMBOL_UNDERSCORE])dnl
 AC_REQUIRE([AC_PROG_LN_S])dnl
 dnl
 
+case "$target" in
+NONE) lt_target="$host" ;;
+*) lt_target="$target" ;;
+esac
+
 # Check for any special flags to pass to ltconfig.
 libtool_flags="--cache-file=$cache_file"
 test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
 test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
 test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
-test "$lt_dlopen" = yes && libtool_flags="$libtool_flags --enable-dlopen"
-test "$silent" = yes && libtool_flags="$libtool_flags --silent"
 test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
 test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
+ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
+[libtool_flags="$libtool_flags --enable-dlopen"])
+ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
+[libtool_flags="$libtool_flags --enable-win32-dll"])
+AC_ARG_ENABLE(libtool-lock,
+  [  --disable-libtool-lock  avoid locking (might break parallel builds)])
+test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
+test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
 
 # Some flags need to be propagated to the compiler or linker for good
 # libtool support.
-case "$host" in
+case "$lt_target" in
 *-*-irix6*)
   # Find out which ABI we are using.
   echo '[#]line __oline__ "configure"' > conftest.$ac_ext
@@ -412,33 +422,28 @@ case "$host" in
   fi
   ;;
 
-*-*-cygwin*)
+ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
-  AC_SYS_LIBTOOL_CYGWIN
+[*-*-cygwin* | *-*-mingw*)
+  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
+  AC_CHECK_TOOL(AS, as, false)
+  AC_CHECK_TOOL(OBJDUMP, objdump, false)
   ;;
-
+])
 esac
-
-# enable the --disable-libtool-lock switch
-
-AC_ARG_ENABLE(libtool-lock,
-[  --disable-libtool-lock  force libtool not to do file locking],
-need_locks=$enableval,
-need_locks=yes)
-
-if test x"$need_locks" = xno; then
-  libtool_flags="$libtool_flags --disable-lock"
-fi
 ])
 
-# AC_LIBTOOL_DLOPEN - check for dlopen support
+# AC_LIBTOOL_DLOPEN - enable checks for dlopen support
-AC_DEFUN(AC_LIBTOOL_DLOPEN, [lt_dlopen=yes])
+AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
+
+# AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
+AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
 
 # AC_ENABLE_SHARED - implement the --enable-shared flag
 # Usage: AC_ENABLE_SHARED[(DEFAULT)]
 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 #   `yes'.
-AC_DEFUN(AC_ENABLE_SHARED,
+AC_DEFUN(AC_ENABLE_SHARED, [dnl
-[define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
+define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
 AC_ARG_ENABLE(shared,
 changequote(<<, >>)dnl
 <<  --enable-shared[=PKGS]  build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
@@ -463,15 +468,15 @@ enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
 ])
 
 # AC_DISABLE_SHARED - set the default shared flag to --disable-shared
-AC_DEFUN(AC_DISABLE_SHARED,
+AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
-[AC_ENABLE_SHARED(no)])
+AC_ENABLE_SHARED(no)])
 
 # AC_ENABLE_STATIC - implement the --enable-static flag
 # Usage: AC_ENABLE_STATIC[(DEFAULT)]
 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 #   `yes'.
-AC_DEFUN(AC_ENABLE_STATIC,
+AC_DEFUN(AC_ENABLE_STATIC, [dnl
-[define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
+define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
 AC_ARG_ENABLE(static,
 changequote(<<, >>)dnl
 <<  --enable-static[=PKGS]  build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
@@ -496,16 +501,16 @@ enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
 ])
 
 # AC_DISABLE_STATIC - set the default static flag to --disable-static
-AC_DEFUN(AC_DISABLE_STATIC,
+AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
-[AC_ENABLE_STATIC(no)])
+AC_ENABLE_STATIC(no)])
 
 
 # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
 # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
 #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
 #   `yes'.
-AC_DEFUN(AC_ENABLE_FAST_INSTALL,
+AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl
-[define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
+define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
 AC_ARG_ENABLE(fast-install,
 changequote(<<, >>)dnl
 <<  --enable-fast-install[=PKGS]  optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
@@ -530,9 +535,8 @@ enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
 ])
 
 # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install
-AC_DEFUN(AC_DISABLE_FAST_INSTALL,
+AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
-[AC_ENABLE_FAST_INSTALL(no)])
+AC_ENABLE_FAST_INSTALL(no)])
-
 
 # AC_PROG_LD - find the path to the GNU or non-GNU linker
 AC_DEFUN(AC_PROG_LD,
@@ -550,7 +554,7 @@ if test "$ac_cv_prog_gcc" = yes; then
   case "$ac_prog" in
     # Accept absolute paths.
 changequote(,)dnl
-    /* | [A-Za-z]:[\\/]*)
+    [\\/]* | [A-Za-z]:[\\/]*)
       re_direlt='/[^/][^/]*/\.\./'
 changequote([,])dnl
       # Canonicalize the path of ld
@@ -576,10 +580,10 @@ else
 fi
 AC_CACHE_VAL(ac_cv_path_LD,
 [if test -z "$LD"; then
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
   for ac_dir in $PATH; do
     test -z "$ac_dir" && ac_dir=.
-    if test -f "$ac_dir/$ac_prog"; then
+    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
       ac_cv_path_LD="$ac_dir/$ac_prog"
       # Check to see if the program is GNU ld.  I'd rather use --version,
       # but apparently some GNU ld's only accept -v.
@@ -602,7 +606,6 @@ else
   AC_MSG_RESULT(no)
 fi
 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
-AC_SUBST(LD)
 AC_PROG_LD_GNU
 ])
 
@@ -624,10 +627,10 @@ AC_CACHE_VAL(ac_cv_path_NM,
   # Let the user override the test.
   ac_cv_path_NM="$NM"
 else
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
   for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
     test -z "$ac_dir" && ac_dir=.
-    if test -f $ac_dir/nm; then
+    if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then
       # Check to see if the nm accepts a BSD-compat flag.
       # Adding the `sed 1q' prevents false positives on HP-UX, which says:
       #   nm: unknown option "B" ignored
@@ -648,230 +651,24 @@ else
 fi])
 NM="$ac_cv_path_NM"
 AC_MSG_RESULT([$NM])
-AC_SUBST(NM)
-])
-
-# AC_SYS_NM_PARSE - Check for command to grab the raw symbol name followed
-# by C symbol name from nm.
-AC_DEFUN(AC_SYS_NM_PARSE,
-[AC_REQUIRE([AC_CANONICAL_HOST])dnl
-AC_REQUIRE([AC_PROG_NM])dnl
-# Check for command to grab the raw symbol name followed by C symbol from nm.
-AC_MSG_CHECKING([command to parse $NM output])
-AC_CACHE_VAL(ac_cv_sys_global_symbol_pipe,
-[# These are sane defaults that work on at least a few old systems.
-# {They come from Ultrix.  What could be older than Ultrix?!! ;)}
-
-changequote(,)dnl
-# Character class describing NM global symbol codes.
-ac_symcode='[BCDEGRST]'
-
-# Regexp to match symbols that can be accessed directly from C.
-ac_sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
-
-# Transform the above into a raw symbol and a C symbol.
-ac_symxfrm='\1 \2\3 \3'
-
-# Transform an extracted symbol line into a proper C declaration
-ac_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
-
-# Define system-specific variables.
-case "$host_os" in
-aix*)
-  ac_symcode='[BCDT]'
-  ;;
-cygwin* | mingw*)
-  ac_symcode='[ABCDGISTW]'
-  ;;
-hpux*)
-  ac_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
-  ;;
-irix*)
-  ac_symcode='[BCDEGRST]'
-  ;;
-solaris*)
-  ac_symcode='[BDT]'
-  ;;
-esac
-
-# If we're using GNU nm, then use its standard symbol codes.
-if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
-  ac_symcode='[ABCDGISTW]'
-fi
-changequote([,])dnl
-
-# Try without a prefix undercore, then with it.
-for ac_symprfx in "" "_"; do
-
-  ac_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ 	]\($ac_symcode\)[ 	][ 	]*\($ac_symprfx\)$ac_sympat$/$ac_symxfrm/p'"
-
-  # Check to see that the pipe works correctly.
-  ac_pipe_works=no
-  rm -f conftest.$ac_ext
-  cat > conftest.$ac_ext <<EOF
-#ifdef __cplusplus
-extern "C" {
-#endif
-char nm_test_var;
-void nm_test_func(){}
-#ifdef __cplusplus
-}
-#endif
-int main(){nm_test_var='a';nm_test_func;return 0;}
-EOF
-
-  if AC_TRY_EVAL(ac_compile); then
-    # Now try to grab the symbols.
-    ac_nlist=conftest.nm
-  
-    if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
-
-      # Try sorting and uniquifying the output.
-      if sort "$ac_nlist" | uniq > "$ac_nlist"T; then
-	mv -f "$ac_nlist"T "$ac_nlist"
-      else
-	rm -f "$ac_nlist"T
-      fi
-
-      # Make sure that we snagged all the symbols we need.
-      if egrep ' nm_test_var$' "$ac_nlist" >/dev/null; then
-	if egrep ' nm_test_func$' "$ac_nlist" >/dev/null; then
-	  cat <<EOF > conftest.c
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-EOF
-	  # Now generate the symbol file.
-	  eval "$ac_global_symbol_to_cdecl"' < "$ac_nlist" >> conftest.c'
-
-	  cat <<EOF >> conftest.c
-#if defined (__STDC__) && __STDC__
-# define lt_ptr_t void *
-#else
-# define lt_ptr_t char *
-# define const
-#endif
-
-/* The mapping between symbol names and symbols. */
-const struct {
-  const char *name;
-  lt_ptr_t address;
-}
-changequote(,)dnl
-lt_preloaded_symbols[] =
-changequote([,])dnl
-{
-EOF
-	sed 's/^. \(.*\) \(.*\)$/  {"\2", (lt_ptr_t) \&\2},/' < "$ac_nlist" >> conftest.c
-	cat <<\EOF >> conftest.c
-  {0, (lt_ptr_t) 0}
-};
-
-#ifdef __cplusplus
-}
-#endif
-EOF
-	  # Now try linking the two files.
-	  mv conftest.$ac_objext conftestm.$ac_objext
-	  ac_save_LIBS="$LIBS"
-	  ac_save_CFLAGS="$CFLAGS"
-	  LIBS="conftestm.$ac_objext"
-	  CFLAGS="$CFLAGS$no_builtin_flag"
-	  if AC_TRY_EVAL(ac_link) && test -s conftest; then
-	    ac_pipe_works=yes
-	  else
-	    echo "configure: failed program was:" >&AC_FD_CC
-	    cat conftest.c >&AC_FD_CC
-	  fi
-	  LIBS="$ac_save_LIBS"
-	  CFLAGS="$ac_save_CFLAGS"
-	else
-	  echo "cannot find nm_test_func in $ac_nlist" >&AC_FD_CC
-	fi
-      else
-	echo "cannot find nm_test_var in $ac_nlist" >&AC_FD_CC
-      fi
-    else
-      echo "cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC
-    fi
-  else
-    echo "$progname: failed program was:" >&AC_FD_CC
-    cat conftest.c >&AC_FD_CC
-  fi
-  rm -rf conftest*
-
-  # Do not use the global_symbol_pipe unless it works.
-  if test "$ac_pipe_works" = yes; then
-    if test x"$ac_symprfx" = x"_"; then
-      ac_cv_sys_symbol_underscore=yes
-    else
-      ac_cv_sys_symbol_underscore=no
-    fi
-    break
-  else
-    ac_cv_sys_global_symbol_pipe=
-  fi
-done
-])
-
-ac_result=yes
-if test -z "$ac_cv_sys_global_symbol_pipe"; then
-   ac_result=no
-fi
-AC_MSG_RESULT($ac_result)
-])
-
-# AC_SYS_LIBTOOL_CYGWIN - find tools needed on cygwin
-AC_DEFUN(AC_SYS_LIBTOOL_CYGWIN,
-[AC_CHECK_TOOL(DLLTOOL, dlltool, false)
-AC_CHECK_TOOL(AS, as, false)
-])
-
-# AC_SYS_SYMBOL_UNDERSCORE - does the compiler prefix global symbols
-#                            with an underscore?
-AC_DEFUN(AC_SYS_SYMBOL_UNDERSCORE,
-[AC_REQUIRE([AC_PROG_NM])dnl
-AC_REQUIRE([AC_SYS_NM_PARSE])dnl
-AC_MSG_CHECKING([for _ prefix in compiled symbols])
-AC_CACHE_VAL(ac_cv_sys_symbol_underscore,
-[ac_cv_sys_symbol_underscore=no
-cat > conftest.$ac_ext <<EOF
-void nm_test_func(){}
-int main(){nm_test_func;return 0;}
-EOF
-if AC_TRY_EVAL(ac_compile); then
-  # Now try to grab the symbols.
-  ac_nlist=conftest.nm
-  if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
-    # See whether the symbols have a leading underscore.
-    if egrep '^. _nm_test_func' "$ac_nlist" >/dev/null; then
-      ac_cv_sys_symbol_underscore=yes
-    else
-      if egrep '^. nm_test_func ' "$ac_nlist" >/dev/null; then
-	:
-      else
-	echo "configure: cannot find nm_test_func in $ac_nlist" >&AC_FD_CC
-      fi
-    fi
-  else
-    echo "configure: cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC
-  fi
-else
-  echo "configure: failed program was:" >&AC_FD_CC
-  cat conftest.c >&AC_FD_CC
-fi
-rm -rf conftest*
-])
-AC_MSG_RESULT($ac_cv_sys_symbol_underscore)
-USE_SYMBOL_UNDERSCORE=${ac_cv_sys_symbol_underscore=no}
-AC_SUBST(USE_SYMBOL_UNDERSCORE)dnl
 ])
 
 # AC_CHECK_LIBM - check for math library
-AC_DEFUN(AC_CHECK_LIBM, [
+AC_DEFUN(AC_CHECK_LIBM,
-AC_CHECK_LIB(mw, _mwvalidcheckl)
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
-AC_CHECK_LIB(m, cos)
+LIBM=
+case "$lt_target" in
+*-*-beos* | *-*-cygwin*)
+  # These system don't have libm
+  ;;
+*-ncr-sysv4.3*)
+  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
+  AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
+  ;;
+*)
+  AC_CHECK_LIB(m, main, LIBM="-lm")
+  ;;
+esac
 ])
 
 # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
@@ -882,13 +679,14 @@ AC_CHECK_LIB(m, cos)
 # '${top_builddir}/' (note the single quotes!) if your package is not
 # flat, and, if you're not using automake, define top_builddir as
 # appropriate in the Makefiles.
-AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [
+AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
   case "$enable_ltdl_convenience" in
   no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
   "") enable_ltdl_convenience=yes
       ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
   esac
   LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la
+  INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
 ])
 
 # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
@@ -900,16 +698,23 @@ AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [
 # flat, and, if you're not using automake, define top_builddir as
 # appropriate in the Makefiles.
 # In the future, this macro may have to be called after AC_PROG_LIBTOOL.
-AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [
+AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
-  AC_CHECK_LIB(ltdl, main, LIBLTDL="-lltdl", [
+  AC_CHECK_LIB(ltdl, main,
-    case "$enable_ltdl_install" in
+  [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
-    no) AC_MSG_WARN([libltdl not installed, but installation disabled]) ;;
+  [if test x"$enable_ltdl_install" = xno; then
-    "") enable_ltdl_install=yes
+     AC_MSG_WARN([libltdl not installed, but installation disabled])
-        ac_configure_args="$ac_configure_args --enable-ltdl-install" ;;
+   else
-    esac
+     enable_ltdl_install=yes
+   fi
   ])
-  if test x"$enable_ltdl_install" != x"no"; then
+  if test x"$enable_ltdl_install" = x"yes"; then
+    ac_configure_args="$ac_configure_args --enable-ltdl-install"
     LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la
+    INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
+  else
+    ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
+    LIBLTDL="-lltdl"
+    INCLTDL=
   fi
 ])
 
@@ -921,7 +726,7 @@ AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
 AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
 AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
 AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
-AC_DEFUN(AM_SYS_NM_PARSE, [indir([AC_SYS_NM_PARSE])])dnl
+
-AC_DEFUN(AM_SYS_SYMBOL_UNDERSCORE, [indir([AC_SYS_SYMBOL_UNDERSCORE])])dnl
+dnl This is just to silence aclocal about the macro not being used
-AC_DEFUN(AM_SYS_LIBTOOL_CYGWIN, [indir([AC_SYS_LIBTOOL_CYGWIN])])dnl
+ifelse([AC_DISABLE_FAST_INSTALL])dnl
 

libjava/configure.in

@@ -17,7 +17,20 @@ LIBGCJ_CONFIGURE(.)
 
 AM_CONFIG_HEADER(include/config.h)
 
+# Only use libltdl for native builds.
+if test -z "${with_cross_host}"; then
+   AC_LIBLTDL_CONVENIENCE
+   AC_LIBTOOL_DLOPEN
+   DIRLTDL=libltdl
+   AC_DEFINE(USE_LTDL)
+   # Sigh.  Libtool's macro doesn't do the right thing.
+   INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
+fi
+AC_SUBST(INCLTDL)
+AC_SUBST(LIBLTDL)
+AC_SUBST(DIRLTDL)
 AM_PROG_LIBTOOL
+AC_CONFIG_SUBDIRS($DIRLDL)
 
 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
    COMPPATH=.

libjava/gcj/Makefile.in

@@ -71,6 +71,7 @@ COMPPATH = @COMPPATH@
 CPP = @CPP@
 CXX = @CXX@
 CXXCPP = @CXXCPP@
+DIRLTDL = @DIRLTDL@
 DIVIDESPEC = @DIVIDESPEC@
 DLLTOOL = @DLLTOOL@
 EH_COMMON_INCLUDE = @EH_COMMON_INCLUDE@
@@ -82,16 +83,17 @@ GCINCS = @GCINCS@
 GCLIBS = @GCLIBS@
 GCOBJS = @GCOBJS@
 GCSPEC = @GCSPEC@
-LD = @LD@
+INCLTDL = @INCLTDL@
 LIBDATASTARTSPEC = @LIBDATASTARTSPEC@
 LIBGCJ_CFLAGS = @LIBGCJ_CFLAGS@
 LIBGCJ_CXXFLAGS = @LIBGCJ_CXXFLAGS@
 LIBGCJ_JAVAFLAGS = @LIBGCJ_JAVAFLAGS@
+LIBLTDL = @LIBLTDL@
 LIBTOOL = @LIBTOOL@
 LN_S = @LN_S@
 MAINT = @MAINT@
 MAKEINFO = @MAKEINFO@
-NM = @NM@
+OBJDUMP = @OBJDUMP@
 PACKAGE = @PACKAGE@
 PERL = @PERL@
 RANLIB = @RANLIB@
@@ -101,7 +103,6 @@ THREADINCS = @THREADINCS@
 THREADLIBS = @THREADLIBS@
 THREADOBJS = @THREADOBJS@
 THREADSPEC = @THREADSPEC@
-USE_SYMBOL_UNDERSCORE = @USE_SYMBOL_UNDERSCORE@
 VERSION = @VERSION@
 ZDEPS = @ZDEPS@
 ZINCS = @ZINCS@

libjava/include/Makefile.in

@@ -71,6 +71,7 @@ COMPPATH = @COMPPATH@
 CPP = @CPP@
 CXX = @CXX@
 CXXCPP = @CXXCPP@
+DIRLTDL = @DIRLTDL@
 DIVIDESPEC = @DIVIDESPEC@
 DLLTOOL = @DLLTOOL@
 EH_COMMON_INCLUDE = @EH_COMMON_INCLUDE@
@@ -82,16 +83,17 @@ GCINCS = @GCINCS@
 GCLIBS = @GCLIBS@
 GCOBJS = @GCOBJS@
 GCSPEC = @GCSPEC@
-LD = @LD@
+INCLTDL = @INCLTDL@
 LIBDATASTARTSPEC = @LIBDATASTARTSPEC@
 LIBGCJ_CFLAGS = @LIBGCJ_CFLAGS@
 LIBGCJ_CXXFLAGS = @LIBGCJ_CXXFLAGS@
 LIBGCJ_JAVAFLAGS = @LIBGCJ_JAVAFLAGS@
+LIBLTDL = @LIBLTDL@
 LIBTOOL = @LIBTOOL@
 LN_S = @LN_S@
 MAINT = @MAINT@
 MAKEINFO = @MAKEINFO@
-NM = @NM@
+OBJDUMP = @OBJDUMP@
 PACKAGE = @PACKAGE@
 PERL = @PERL@
 RANLIB = @RANLIB@
@@ -101,7 +103,6 @@ THREADINCS = @THREADINCS@
 THREADLIBS = @THREADLIBS@
 THREADOBJS = @THREADOBJS@
 THREADSPEC = @THREADSPEC@
-USE_SYMBOL_UNDERSCORE = @USE_SYMBOL_UNDERSCORE@
 VERSION = @VERSION@
 ZDEPS = @ZDEPS@
 ZINCS = @ZINCS@

libjava/include/config.h.in

@@ -142,6 +142,9 @@
 /* Define if getuid() and friends are missing.  */
 #undef NO_GETUID
 
+/* Define if libltdl is in use.  */
+#undef USE_LTDL
+
 /* Define if you have the access function.  */
 #undef HAVE_ACCESS
 

libjava/java/lang/Runtime.java

@@ -1,6 +1,6 @@
 // Runtime.java - Runtime class.
 
-/* Copyright (C) 1998, 1999  Cygnus Solutions
+/* Copyright (C) 1998, 1999, 2000  Cygnus Solutions
 
    This file is part of libgcj.
 
@@ -97,6 +97,12 @@ public class Runtime
   public native void load (String pathname);
   public native void loadLibrary (String libname);
 
+  // This is a helper function for the ClassLoader which can load
+  // compiled libraries.  Returns true if library (which is just the
+  // base name -- path searching is done by this function) was loaded,
+  // false otherwise.
+  native boolean loadLibraryInternal (String libname);
+
   public native void runFinalization ();
 
   // This method is static in JDK 1.1, but isn't listed as static in

libjava/java/lang/natClassLoader.cc

@@ -34,6 +34,7 @@ details.  */
 #include <java/lang/ClassCircularityError.h>
 #include <java/lang/IncompatibleClassChangeError.h>
 #include <java/lang/reflect/Modifier.h>
+#include <java/lang/Runtime.h>
 
 #define CloneableClass _CL_Q34java4lang9Cloneable
 extern java::lang::Class CloneableClass;
@@ -193,7 +194,35 @@ java::lang::ClassLoader::markClassErrorState0 (java::lang::Class *klass)
 jclass
 gnu::gcj::runtime::VMClassLoader::findSystemClass (jstring name)
 {
-  return _Jv_FindClassInCache (_Jv_makeUtf8Const (name), 0);
+  _Jv_Utf8Const *name_u = _Jv_makeUtf8Const (name);
+  jclass klass = _Jv_FindClassInCache (name_u, 0);
+
+  if (! klass)
+    {
+      // Turn `gnu.pkg.quux' into `gnu-pkg-quux'.  Then search for a
+      // module named (eg, on Linux) `gnu-pkg-quux.so', followed by
+      // `gnu-pkg.so' and `gnu.so'.  If loading one of these causes
+      // the class to appear in the cache, then use it.
+      jstring so_base_name = name->replace ('.', '-');
+
+      while (! klass && so_base_name && so_base_name->length() > 0)
+	{
+	  using namespace ::java::lang;
+	  Runtime *rt = Runtime::getRuntime();
+	  jboolean loaded = rt->loadLibraryInternal (so_base_name);
+
+	  jint nd = so_base_name->lastIndexOf ('-');
+	  if (nd == -1)
+	    so_base_name = NULL;
+	  else
+	    so_base_name = so_base_name->substring (0, nd);
+
+	  if (loaded)
+	    klass = _Jv_FindClassInCache (name_u, 0);
+	}
+    }
+
+  return klass;
 }
 
 jclass
@@ -403,31 +432,11 @@ _Jv_RegisterClass (jclass klass)
   _Jv_RegisterClasses (classes);
 }
 
-#if 0
-// NOTE: this one is out of date with the new loader stuff...
 jclass
-_Jv_FindClassInCache (jstring name, java::lang::ClassLoader *loader)
+_Jv_FindClass (_Jv_Utf8Const *name, java::lang::ClassLoader *loader)
-{
-  JvSynchronize sync (&ClassClass);
-  jint hash = name->hashCode();
-  jclass klass = loaded_classes[(_Jv_ushort) hash % HASH_LEN];
-  for ( ; klass; klass = klass->next)
-    {
-      if (loader == klass->loader
-	  && _Jv_equal (klass->name, name, hash))
-	break;
-    }
-  _Jv_MonitorExit (&ClassClass);
-  return klass;
-}
-#endif
-
-jclass _Jv_FindClass (_Jv_Utf8Const *name,
-		      java::lang::ClassLoader *loader)
 {
   jclass klass = _Jv_FindClassInCache (name, loader);
 
-#ifdef INTERPRETER
   if (! klass)
     {
       jstring sname = _Jv_NewStringUTF (name->data);
@@ -466,44 +475,10 @@ jclass _Jv_FindClass (_Jv_Utf8Const *name,
       // we're loading, so that they can refer to themselves. 
       _Jv_WaitForState (klass, JV_STATE_LOADED);
     }
-#endif
 
   return klass;
 }
 
-#if 0
-// NOTE: this one is out of date with the new class loader stuff...
-jclass
-_Jv_FindClass (jstring name, java::lang::ClassLoader *loader)
-{
-  jclass klass = _Jv_FindClassInCache (name, loader);
-  if (! klass)
-    {
-      if (loader)
-	{
-	  klass = loader->loadClass(name);
-	}
-      else
-	{
-	  // jmspec 5.3.1.2
-	  
-	  // delegate to the system loader
-	  klass = java::lang::ClassLoader::system.loadClass (sname);
-	  
-	  // register that we're an initiating loader
-	  if (klass)
-	    _Jv_RegisterInitiatingLoader (klass, 0);
-	}
-    }
-  else
-    {
-      _Jv_WaitForState (klass, JV_STATE_LOADED);
-    }
-  
-  return klass;
-}
-#endif
-
 jclass
 _Jv_NewClass (_Jv_Utf8Const *name, jclass superclass,
 	      java::lang::ClassLoader *loader)

libjava/java/lang/natRuntime.cc

@@ -1,6 +1,6 @@
 // natRuntime.cc - Implementation of native side of Runtime class.
 
-/* Copyright (C) 1998, 1999  Cygnus Solutions
+/* Copyright (C) 1998, 1999, 2000  Cygnus Solutions
 
    This file is part of libgcj.
 
@@ -20,6 +20,10 @@ details.  */
 
 #ifdef USE_LTDL
 #include <ltdl.h>
+
+/* FIXME: we don't always need this.  The next libtool will let us use
+   AC_LTDL_PREOPEN to see if we do.  */
+const lt_dlsymlist lt_preloaded_symbols[1] = { { 0, 0 } };
 #endif
 
 void
@@ -56,8 +60,12 @@ java::lang::Runtime::load (jstring path)
   checkLink (path);
   using namespace java::lang;
 #ifdef USE_LTDL
+  jint len = _Jv_GetStringUTFLength (path);
+  char buf[len + 1];
+  jsize total = JvGetStringUTFRegion (path, 0, path->length(), buf);
+  buf[total] = '\0';
   // FIXME: make sure path is absolute.
-  lt_dlhandle h = lt_dlopen (FIXME);
+  lt_dlhandle h = lt_dlopen (buf);
   if (h == NULL)
     {
       const char *msg = lt_dlerror ();
@@ -76,8 +84,12 @@ java::lang::Runtime::loadLibrary (jstring lib)
   checkLink (lib);
   using namespace java::lang;
 #ifdef USE_LTDL
+  jint len = _Jv_GetStringUTFLength (lib);
+  char buf[len + 1];
+  jsize total = JvGetStringUTFRegion (lib, 0, lib->length(), buf);
+  buf[total] = '\0';
   // FIXME: make sure path is absolute.
-  lt_dlhandle h = lt_dlopenext (FIXME);
+  lt_dlhandle h = lt_dlopenext (buf);
   if (h == NULL)
     {
       const char *msg = lt_dlerror ();
@@ -89,6 +101,24 @@ java::lang::Runtime::loadLibrary (jstring lib)
 #endif /* USE_LTDL */
 }
 
+jboolean
+java::lang::Runtime::loadLibraryInternal (jstring lib)
+{
+  JvSynchronize sync (this);
+  using namespace java::lang;
+#ifdef USE_LTDL
+  jint len = _Jv_GetStringUTFLength (lib);
+  char buf[len + 1];
+  jsize total = JvGetStringUTFRegion (lib, 0, lib->length(), buf);
+  buf[total] = '\0';
+  // FIXME: make sure path is absolute.
+  lt_dlhandle h = lt_dlopenext (buf);
+  return h != NULL;
+#else
+  return false;
+#endif /* USE_LTDL */
+}
+
 void
 java::lang::Runtime::init (void)
 {

libjava/testsuite/Makefile.in

@@ -71,6 +71,7 @@ COMPPATH = @COMPPATH@
 CPP = @CPP@
 CXX = @CXX@
 CXXCPP = @CXXCPP@
+DIRLTDL = @DIRLTDL@
 DIVIDESPEC = @DIVIDESPEC@
 DLLTOOL = @DLLTOOL@
 EH_COMMON_INCLUDE = @EH_COMMON_INCLUDE@
@@ -82,16 +83,17 @@ GCINCS = @GCINCS@
 GCLIBS = @GCLIBS@
 GCOBJS = @GCOBJS@
 GCSPEC = @GCSPEC@
-LD = @LD@
+INCLTDL = @INCLTDL@
 LIBDATASTARTSPEC = @LIBDATASTARTSPEC@
 LIBGCJ_CFLAGS = @LIBGCJ_CFLAGS@
 LIBGCJ_CXXFLAGS = @LIBGCJ_CXXFLAGS@
 LIBGCJ_JAVAFLAGS = @LIBGCJ_JAVAFLAGS@
+LIBLTDL = @LIBLTDL@
 LIBTOOL = @LIBTOOL@
 LN_S = @LN_S@
 MAINT = @MAINT@
 MAKEINFO = @MAKEINFO@
-NM = @NM@
+OBJDUMP = @OBJDUMP@
 PACKAGE = @PACKAGE@
 PERL = @PERL@
 RANLIB = @RANLIB@
@@ -101,7 +103,6 @@ THREADINCS = @THREADINCS@
 THREADLIBS = @THREADLIBS@
 THREADOBJS = @THREADOBJS@
 THREADSPEC = @THREADSPEC@
-USE_SYMBOL_UNDERSCORE = @USE_SYMBOL_UNDERSCORE@
 VERSION = @VERSION@
 ZDEPS = @ZDEPS@
 ZINCS = @ZINCS@