Makefile.in (SHOPT): New macro, flag to ld to create shared library.

        * Makefile.in (SHOPT): New macro, flag to ld to create
        shared library.  Defaults to "-shared".
        (SHLIB): Use new SHOPT rather than hardcoded "-shared".
        * configure.in: While configuring for *-*-beos*, if
        --enable-shared is given, add beos.ml to list of makefile
        frags.
        * config/beos.ml: New file.

From-SVN: r31373

libstdc++/ChangeLog

+2000-01-12  Fred Fish  <fnf@be.com>
+
+	* Makefile.in (SHOPT): New macro, flag to ld to create
+	shared library.  Defaults to "-shared".
+	(SHLIB): Use new SHOPT rather than hardcoded "-shared".
+	* configure.in: While configuring for *-*-beos*, if
+	--enable-shared is given, add beos.ml to list of makefile
+	frags.
+	* config/beos.ml: New file.
+
 1999-12-15  Jason Merrill  <jason@casey.cygnus.com>
 
 	* Makefile.in (MYCXXFLAGS): Include $(CXXFLAGS).

libstdc++/Makefile.in

@@ -39,6 +39,7 @@ SHLINK  = libstdc++.so
 MSHLINK = libstdc++.so.`echo $(VERSION) | sed 's/\([0-9]*[.][0-9]*\).*/\1/'`
 SHFLAGS =
 SHDEPS  =
+SHOPT	= -shared
 
 STAMP   = bigstmp
 
@@ -102,7 +103,7 @@ marlink:
 	@$(MAKE) $(MARLINK) "ARLINK=$(MARLINK)"
 
 $(SHLIB): piclist
-	$(CC) $(LIBCXXFLAGS) $(SHFLAGS) -shared -o $(SHLIB) `cat piclist` $(SHDEPS)
+	$(CC) $(LIBCXXFLAGS) $(SHFLAGS) $(SHOPT) -o $(SHLIB) `cat piclist` $(SHDEPS)
 
 $(SHARLIB): $(SHLIB)
 	-rm -f t$(SHARLIB)

libstdc++/config/beos.ml

+LIBS	= $(ARLIB) $(ARLINK) $(SHLIB) mshlink $(SHLINK)
+SHFLAGS	= -Wl,-soname,$(MSHLINK)
+DEPLIBS	= ../$(SHLIB)
+SHOPT	= -nostart

libstdc++/configure.in

@@ -68,6 +68,7 @@ if [ "${shared}" = "yes" ]; then
   esac
   case "${target}" in
     *-*-aix*)		frags="${frags} aix.ml" ;;
+    *-*-beos*)		frags="${frags} beos.ml" ;;
     *-dec-osf*)		frags="${frags} dec-osf.ml";;
     *-*-freebsd2*)	;;
     *-*-freebsd*)	frags="${frags} freebsd.ml" ;;