diff --git a/libdvdread-5.0.3.tar.bz2.asc b/libdvdread-5.0.3.tar.bz2.asc
new file mode 100644
index 0000000..4fe03c4
--- /dev/null
+++ b/libdvdread-5.0.3.tar.bz2.asc
@@ -0,0 +1,7 @@
+-----BEGIN PGP SIGNATURE-----
+Version: GnuPG v2
+
+iEYEABECAAYFAlUSv18ACgkQcYBxO+WNGtyMxgCgwQxM50ARzxHnj4MyWuLI1LKE
+G58AoI/Lucjs0VBZZkmCjQKg8VEk+mSZ
+=/Kcn
+-----END PGP SIGNATURE-----
diff --git a/libdvdread.changes b/libdvdread.changes
index 81834f2..aed4d44 100644
--- a/libdvdread.changes
+++ b/libdvdread.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Thu Sep 24 19:21:21 UTC 2015 - mpluskal@suse.com
+
+- Add gpg signature
+- Use more explicit dependencies
+- Make build more verbose
+- Clenup spec file with spec-cleaner
+
 -------------------------------------------------------------------
 Sat Mar 28 17:47:08 UTC 2015 - joerg.lorenzen@ki.tng.de
 
diff --git a/libdvdread.keyring b/libdvdread.keyring
new file mode 100644
index 0000000..0e96fa9
--- /dev/null
+++ b/libdvdread.keyring
@@ -0,0 +1,90 @@
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diff --git a/libdvdread.spec b/libdvdread.spec
index e0e084e..10837ec 100644
--- a/libdvdread.spec
+++ b/libdvdread.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package libdvdread
 #
-# Copyright (c) 2015 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,19 +17,23 @@
 
 
 Name:           libdvdread
+Version:        5.0.3
+Release:        0
 Summary:        Library for Reading DVD Video Images
 License:        GPL-2.0+
 Group:          Productivity/Multimedia/Other
 Url:            http://www.mplayerhq.hu/
-Version:        5.0.3
-Release:        0
 Source0:        http://download.videolan.org/videolan/%{name}/%{version}/%{name}-%{version}.tar.bz2
-Source1:        baselibs.conf
+Source1:        http://download.videolan.org/videolan/%{name}/%{version}/%{name}-%{version}.tar.bz2.asc
+Source2:        %{name}.keyring
+Source3:        baselibs.conf
 Patch2:         libdvdread-no-internal-crypto.patch
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
+BuildRequires:  autoconf
+BuildRequires:  automake
 BuildRequires:  libtool
 BuildRequires:  pkg-config
 BuildRequires:  pkgconfig(openssl)
+BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
 This package contains shared libraries for accessing DVD images (this
@@ -60,19 +64,18 @@ libdvdread.
 #patch2
 
 %build
-autoreconf -f -i -v
-%configure --disable-static --with-pic
-%__make %{?_smp_mflags}
+autoreconf -fiv
+%configure \
+  --disable-static \
+  --with-pic
+make %{?_smp_mflags} V=1
 
 %install
-%makeinstall
-%__rm -f %{buildroot}%{_libdir}/*.la
+make DESTDIR=%{buildroot} install %{?_smp_mflags}
+find %{buildroot} -type f -name "*.la" -delete -print
 # We install the files on our own, using %%doc
 rm -rf %{buildroot}%{_datadir}/doc/libdvdread/
 
-%clean
-%{?buildroot:%__rm -rf "%{buildroot}"}
-
 %post   -n libdvdread4 -p /sbin/ldconfig
 
 %postun -n libdvdread4 -p /sbin/ldconfig
@@ -85,7 +88,6 @@ rm -rf %{buildroot}%{_datadir}/doc/libdvdread/
 
 %files devel
 %defattr(-,root,root)
-
 %{_includedir}/dvdread
 %{_libdir}/libdvdread.so
 %{_libdir}/pkgconfig/dvdread.pc