xmms-config --cflags xmms-config --libs grep "#include" /usr/include/xmms/*.h --> xmms-devel should BuildRequire gtk+-devel (which will pull in the other necessary dependencies). --- xmms.spec~ 2004-03-12 05:40:34.000000000 +0200 +++ xmms.spec 2004-05-28 19:40:56.465380453 +0300 @@ -51,3 +51,3 @@ Obsoletes: x11amp-devel -Requires: %{name} = %{epoch}:%{version} +Requires: %{name} = %{epoch}:%{version} gtk+-devel