[at-spi2-core] Allow to build out of source directory

[Mike Gorse <mgorse src gnome org>]

commit 677698ee880b5583609988577c336c1ddb2ac9d1
Author: Daniel Narvaez <dwnarvaez gmail com>
Date:   Thu Jul 19 22:24:27 2012 +0200

    Allow to build out of source directory
    
    https://bugzilla.gnome.org/show_bug.cgi?id=680281

 autogen.sh |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index aff1175..38add59 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,5 +1,11 @@
 #!/bin/sh
 
+test -n "$srcdir" || srcdir=`dirname "$0"`
+test -n "$srcdir" || srcdir=.
+
+olddir=`pwd`
+cd "$srcdir"
+
 # run gtkdocize
 gtkdocize || exit 1
 
@@ -7,5 +13,8 @@ intltoolize --force --copy --automake || exit 1
 
 # gnome-autogen.sh runs configure, so do likewise.
 autoreconf -vif
-test -n "$NOCONFIGURE" || ./configure "$@"
+
+cd "$olddir"
+
+test -n "$NOCONFIGURE" || "$srcdir/configure" "$@"