diff --git a/schroedinger.spec b/schroedinger.spec
index d06ad8c..eb3bf39 100644
--- a/schroedinger.spec
+++ b/schroedinger.spec
@@ -2,15 +2,15 @@
 
 Name:           schroedinger
 Version:        1.0.11
-Release:        17%{?dist}
+Release:        18%{?dist}
 Summary:        Portable libraries for the high quality Dirac video codec
 
-Group:          System Environment/Libraries
 # No version is given for the GPL or the LGPL
 License:        GPL+ or LGPLv2+ or MIT or MPLv1.1
-URL:            http://www.diracvideo.org/
+URL:            http://schrodinger.sourceforge.net/schrodinger_faq.php
 Source0:        http://www.diracvideo.org/download/schroedinger/schroedinger-%{version}.tar.gz
 
+BuildRequires:  gcc
 BuildRequires:  orc-devel >= 0.4.16
 BuildRequires:  glew-devel >= 1.5.1
 BuildRequires:  gtk-doc
@@ -30,11 +30,9 @@ order to create a set of high quality decoder and encoder libraries
 for the Dirac video codec.
 
 %package devel
-Group:          Development/Libraries
 Summary:        Development files for schroedinger
-Requires:       %{name} = %{version}-%{release}
-Requires:       pkgconfig
-Requires:       orc-devel >= 0.4.10
+Requires:       %{name}%{?_isa} = %{version}-%{release}
+Requires:       orc-devel%{?_isa} >= 0.4.10
 
 %description devel
 Development files for schroedinger
@@ -54,24 +52,20 @@ autoreconf -fiv
 sed -i.rpath 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
 sed -i.rpath 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
 
-make %{?_smp_mflags}
+%make_build
 
 
 %install
-rm -rf %{buildroot}
-make install DESTDIR=%{buildroot}
+%make_install
 find %{buildroot} -name \*.la -delete
 
 
-
-%post -p /sbin/ldconfig
-
-
-%postun -p /sbin/ldconfig
+%ldconfig_scriptlets
 
 
 %files
-%doc COPYING* NEWS TODO
+%doc NEWS TODO
+%license COPYING*
 %{_libdir}/libschroedinger-%{abi}.so.*
 
 
@@ -83,6 +77,9 @@ find %{buildroot} -name \*.la -delete
 
 
 %changelog
+* Sat Jul 21 2018 Nicolas Chauvet <kwizart@gmail.com> - 1.0.11-18
+- Add missing cc
+
 * Sat Jul 14 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.11-17
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild