From 4cb524554663edcb2b0dae7fdab9d08d37305731 Mon Sep 17 00:00:00 2001
From: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: Thu, 20 Oct 2016 09:11:39 +0200
Subject: [PATCH] configure: fix short-filename logic

if configure was not called from absolute path, detection
would fail and huge filenames would be included in binary
(noticed in yocto krogoth release)
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 52816c0a2..e2d156dca 100644
--- a/configure.ac
+++ b/configure.ac
@@ -276,7 +276,7 @@ fi
 fi
 
 # hack to define a short filename also for out-of-tree build
-if test `dirname $0` = `pwd`; then
+if test `dirname $0` = `pwd` || test "$0" = ./configure; then
 	HWLIB_CFLAGS="$HWLIB_CFLAGS "'-D__file__=__FILE__'
 else
 	HWLIB_CFLAGS="$HWLIB_CFLAGS "'-D__file__="\"$(subst $(srcdir)/,,$(abspath $<))\""'