[PATCH] libtool: pass through -fuse-ld flags

Starting with gcc-4.8, there's a -fuse-ld flag that can be used to select
between bfd & gold.  Make sure we pass it through to the linking stage.

* build-aux/ltmain.in (func_mode_link): Pass -fuse-ld=* flags through.
---
 build-aux/ltmain.in | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/build-aux/ltmain.in b/build-aux/ltmain.in
index d5cf07a..0fc8279 100644
--- a/build-aux/ltmain.in
+++ b/build-aux/ltmain.in
@@ -5360,10 +5360,12 @@ func_mode_link ()
       # -tp=*                Portland pgcc target processor selection
       # --sysroot=*          for sysroot support
       # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization
+      # -fuse-ld=*           Linker select flags for GCC
       # -stdlib=*            select c++ std lib with clang
       -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
       -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
-      -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*)
+      -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \
+      -fuse-ld=*)
         func_quote_for_eval "$arg"
 	arg=$func_quote_for_eval_result
         func_append compile_command " $arg"
-- 
2.3.2