From: Stefano Lattarini <stefano.lattarini@gmail.com>
Date: Thu, 18 Oct 2012 12:45:21 +0000 (+0200)
Subject: depcomp: avoid an extra fork when possible
X-Git-Tag: v1.12b~13^2~11
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=83cc9fd054566db15736c07c0a46c288d28082c2;p=thirdparty%2Fautomake.git

depcomp: avoid an extra fork when possible

* lib/depcomp (set_dir_from): Here.

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
---

diff --git a/lib/depcomp b/lib/depcomp
index 17075862e..23a9fcb3c 100755
--- a/lib/depcomp
+++ b/lib/depcomp
@@ -61,8 +61,10 @@ esac
 # be either empty or ending with a '/' character.  This is deliberate.
 set_dir_from ()
 {
-  dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`
-  test "x$dir" = "x$1" && dir=
+  case $1 in
+    */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
+      *) dir=;;
+  esac
 }
 
 # Get the suffix-stripped basename of the given path, and save it the