Don't invoke mkdir if the directories all already exist.

This saves unnecessary output of "mkdir -p -- FOO" when
FOO already exists.

diff --git a/lib/mkinstalldirs b/lib/mkinstalldirs
index c510e22ea833b8be2d6aefea2fc28269136d739d..f9c37afd1b84e729f40b280cd4f56da5a9af6596 100755 (executable)
--- a/lib/mkinstalldirs
+++ b/lib/mkinstalldirs
@@ -28,6 +28,15 @@ while test $# -gt 0 ; do
    esac
 done
 
+for file
+do
+  if test -d "$file"; then
+    shift
+  else
+    break
+  fi
+done
+
 case $# in
 0) exit 0 ;;
 esac