Fix libtool performance regression with many arguments

Reported and fixed upstream, patching our version for now until a future
release fixes it:

* http://lists.gnu.org/archive/html/bug-libtool/2011-01/msg00007.html
* http://git.savannah.gnu.org/cgit/libtool.git/commit/?id=286e87b1030c353d9cfc89dbb72d59e0391cb693

Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 11 insertions, 8 deletions

diff --git a/ltmain.sh b/ltmain.sh
index 3061e3c5..6c02b188 100755
--- a/ltmain.sh
+++ b/ltmain.sh
@@ -3982,14 +3982,17 @@ func_exec_program_core ()
 # launches target application with the remaining arguments.
 func_exec_program ()
 {
-  for lt_wr_arg
-  do
-    case \$lt_wr_arg in
-    --lt-*) ;;
-    *) set x \"\$@\" \"\$lt_wr_arg\"; shift;;
-    esac
-    shift
-  done
+  case \" \$* \" in
+  *\\ --lt-*)
+    for lt_wr_arg
+    do
+      case \$lt_wr_arg in
+      --lt-*) ;;
+      *) set x \"\$@\" \"\$lt_wr_arg\"; shift;;
+      esac
+      shift
+    done ;;
+  esac
   func_exec_program_core \${1+\"\$@\"}
 }