fix-ekho-build-PKGBUILD.diff

diff --git a/PKGBUILD b/PKGBUILD
index ce46d58..bcd9e0d 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -7,22 +7,28 @@ pkgdesc="Chinese text-to-speech (TTS) software for Cantonese, Mandarin, Zhaoan H
 arch=('i686' 'x86_64')
 url="http://www.eguidedog.net/ekho.php"
 license=('GPL')
+makedepends=('automake' 'autoconf')
 depends=('libpulse' 'lame' 'festival' 'ncurses' 'espeak')
-source=("http://downloads.sourceforge.net/e-guidedog/ekho-${pkgver}.tar.xz")
-md5sums=('dadf0739fe6a67e5a1de03750b23a4a7')
+source=("http://downloads.sourceforge.net/e-guidedog/ekho-${pkgver}.tar.xz"
+        "configure.ac.diff")
+md5sums=('dadf0739fe6a67e5a1de03750b23a4a7'
+         'b16853a626c40a139a359736cf9fb36d')
 
 prepare() {
   cd "${srcdir}/${pkgname}-${pkgver}"
 
+  # fix directory permissions
+  find "ekho-data" -type d -exec chmod o+r {} +
+
   CXXFLAGS="${CXXFLAGS} -fopenmp"
   if [ "${CARCH}" == "x86_64" ]; then
     CXXFLAGS="${CXXFLAGS} -D_x86_64"
   fi
 
-  # fix undefined references to tget* functions
-  sed -ie \
-    's/^\(\s*LIB_FESTIVAL=.*\)-lncurses\(.*\)/\1-Wl,--push-state,--no-as-needed,-lncurses,--pop-state\2/' \
-    $srcdir/$pkgname-$pkgver/configure
+  patch -p0 <"${srcdir}/configure.ac.diff"
+  aclocal
+  autoconf
+  automake
 
   ./configure --prefix=/usr --with-mp3lame --enable-festival
 }