autogen.sh: handle out-of-tree invokation

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>

diff --git a/autogen.sh b/autogen.sh
index 30d679f43341b0e683aa38bd22009e400c632ab4..c8960971d248bce5a8d1f5fe149133bb498509ba 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,6 +1,14 @@
 #! /bin/sh
 
-test -n "$srcdir" || srcdir=`dirname "$0"`
-test -n "$srcdir" || srcdir=.
-autoreconf --force --install --verbose "$srcdir"
-test -n "$NOCONFIGURE" || "$srcdir/configure" "$@"
+srcdir=`dirname "$0"`
+test -z "$srcdir" && srcdir=.
+
+ORIGDIR=`pwd`
+cd "$srcdir"
+
+autoreconf --force --verbose --install || exit 1
+cd "$ORIGDIR" || exit $?
+
+if test -z "$NOCONFIGURE"; then
+    "$srcdir"/configure "$@"
+fi