Tweaking libtool C++ linking

libtool.sgifixes.patch

diff -r -u -w libtool-2.4.6/m4/libtool.m4 libtool-2.4.6-patched/m4/libtool.m4
--- libtool-2.4.6/m4/libtool.m4	2015-01-20 16:15:19.000000000 +0000
+++ libtool-2.4.6-patched/m4/libtool.m4	2019-12-01 16:11:18.641181680 +0000
@@ -6910,13 +6910,16 @@
 	    # necessary to make sure instantiated templates are included
 	    # in the archive.
 	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs'
+	    _LT_TAGVAR(inherit_rpath, $1)=yes
 	    ;;
           *)
 	    if test yes = "$GXX"; then
 	      if test no = "$with_gnu_ld"; then
 	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+		_LT_TAGVAR(inherit_rpath, $1)=yes
 	      else
 	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` -o $lib'
+		_LT_TAGVAR(inherit_rpath, $1)=no
 	      fi
 	    fi
 	    _LT_TAGVAR(link_all_deplibs, $1)=yes
@@ -6924,7 +6927,6 @@
         esac
         _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
         _LT_TAGVAR(hardcode_libdir_separator, $1)=:
-        _LT_TAGVAR(inherit_rpath, $1)=yes
         ;;
 
       linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)