bug#27866: Updated patch to make the match less expensive

[Manoj Gupta]

--- a/m4/libtool.m4

+++ b/m4/libtool.m4

@@ -7531,7 +7544,7 @@

   for p in `eval "$output_verbose_link_cmd"`; do

     case $prev$p in

-    -L* | -R* | -l*)

+    -L* | -R* | -l* | */libclang_rt.*.a)

        # Some compilers place space between "-{L,R}" and the path.

        # Remove the space.

        if test x-L = "$p" ||