-Source0: ftp://ftp.gtk.org/pub/babl/0.0/%{name}-%{version}.tar.bz2
-# Source0-md5: 1f69d2b59bf269bd5270c14100803318
-Patch0: %{name}-as-needed.patch
-URL: http://www.gegl.org/babl/
-BuildRequires: autoconf >= 2.54
-BuildRequires: automake
-BuildRequires: libtool
+Source0: https://download.gimp.org/pub/babl/0.1/%{name}-%{version}.tar.xz
+# Source0-md5: 749169721b551882332a64ac17735de6
+URL: https://www.gegl.org/babl/
+BuildRequires: gobject-introspection-devel >= 1.32.0
+BuildRequires: lcms2-devel >= 2.8
+BuildRequires: meson >= 0.55.0
+BuildRequires: ninja >= 1.5
+BuildRequires: pkgconfig
+BuildRequires: python3 >= 1:3
+BuildRequires: rpm-build >= 4.6
+BuildRequires: rpmbuild(macros) >= 2.029
+BuildRequires: tar >= 1:1.22
+BuildRequires: vala >= 2:0.20.0
+BuildRequires: xz
+%{?with_mmx:Requires: cpuinfo(mmx)}
+%{?with_sse:Requires: cpuinfo(sse)}
+%{?with_sse:Requires: cpuinfo(sse2)}
+Requires: lcms2 >= 2.8