-BuildRequires: autoconf >= 2.54
-BuildRequires: automake
-BuildRequires: cairo-devel >= 0.9.0
-BuildRequires: gtk+2-devel >= 2.0.0
-BuildRequires: libsvg-cairo-devel >= 0.1.6
-BuildRequires: libtool
-BuildRequires: python >= 2.3
-BuildRequires: python-numpy-devel
-%{?with_pygtk:BuildRequires: python-pygtk-devel >= 1.99.16}
+BuildRequires: autoconf >= 2.59
+BuildRequires: automake >= 1:1.9.6
+BuildRequires: cairo-devel >= 1.13.1
+BuildRequires: libtool >= 2:1.4
+BuildRequires: pkgconfig
+BuildRequires: python >= 1:2.6
+BuildRequires: python-devel
+# for tests only
+#BuildRequires: python-numpy
+BuildRequires: python-xpyb-devel >= 1.3
+BuildRequires: rpm-pythonprov