improve OpenBSD support

[Andrew Pinski]

OpenBSD supports passing all dependencies so here is patch which adds 
that.

Thanks,
Andrew Pinski


ChangeLog:
        * libtool.m4 [AC_DEPLIBS_CHECK_METHOD]: Add openbsd support.


Patch:
Index: libtool.m4
===================================================================
RCS file: /cvs/gcc/gcc/libtool.m4,v
retrieving revision 1.12
diff -u -d -b -w -u -r1.12 libtool.m4
--- libtool.m4  11 Apr 2003 04:20:14 -0000      1.12
+++ libtool.m4  6 Aug 2003 01:31:13 -0000
@@ -701,6 +701,10 @@
   lt_cv_file_magic_test_file=/usr/lib/libnls.so
   ;;

+openbsd*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
 osf3* | osf4* | osf5*)
   # this will be overridden with pass_all, but let us keep it just in 
case
   lt_cv_deplibs_check_method='file_magic COFF format alpha shared 
library'