When a .o file is an absolute pathname, assume it's a file for which
we have no .c source.
diff --git a/Modules/makesetup b/Modules/makesetup
index b3f0cca..fb480dd 100755
--- a/Modules/makesetup
+++ b/Modules/makesetup
@@ -138,6 +138,7 @@
 			*.a)		libs="$libs $arg";;
 			*.so)		libs="$libs $arg";;
 			*.sl)		libs="$libs $arg";;
+			/*.o)		libs="$libs $arg";;
 			*.o)		srcs="$srcs `basename $arg .o`.c";;
 			*.[cC])		srcs="$srcs $arg";;
 			*.cc)		srcs="$srcs $arg";;