build: Ensure that autogen.sh supports builddir != srcdir

The tools that modify the build system files need to, sadly, do that
inside the srcdir.

This change is necessary because jhbuild recently switched the default
to build in a separate directory.

1 files changed, 7 insertions, 0 deletions

diff --git a/autogen.sh b/autogen.sh
index 6c864bc..9e61699 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -4,12 +4,19 @@ set -e # exit on errors
 
 srcdir=`dirname $0`
 test -z "$srcdir" && srcdir=.
+
+olddir=`pwd`
+
 mkdir -p "$srcdir/m4"
 
+cd "$srcdir"
+
 gtkdocize
 autoreconf -v --force --install
 intltoolize -f
 
+cd "$olddir"
+
 if [ -z "$NOCONFIGURE" ]; then
     "$srcdir"/configure --enable-gtk-doc "$@"
 fi