Description of problem:

Can we have something like:

diff --git a/firefox.spec b/firefox.spec
index 8a333a9..f7a38c4 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -5,7 +5,11 @@
 %define separated_plugins 0
 %endif
 
+%if 0%{?fedora}
 %define homepage http://start.fedoraproject.org/
+%else
+%define homepage file:///usr/share/doc/HTML/index.html
+%endif
 %define default_bookmarks_file %{_datadir}/bookmarks/default-bookmarks.html
 %define firefox_app_id \{ec8030f7-c20a-464f-9b0e-13a3a9e97384\}
 
in the package, for derived distributions?

Version-Release number of selected component (if applicable):

10.0