I've reviewed the Glimpse license again and it allows non-profit use only, right. But it does _NOT_ restrict redistribution, so we are allowed to include the source tarball in our RPM. (Christoph, yes sorry, I know I'm the worlds most sceptical guy ;-)

glimpse/glimpse.spec

@@ -31,13 +31,12 @@ Vendor:       Free Software Foundation
 Packager:     The OpenPKG Project
 Distribution: OpenPKG [EVAL]
 Group:        Text
-License:      Commercial/Non-Profit
+License:      Non-Profit
 Version:      4.17.2
 Release:      20030114
 
 #   list of sources
 Source0:      http://webglimpse.net/trial/glimpse-%{version}.tar.gz
-%NoSource     0
 
 #   build information
 Prefix:       %{l_prefix}
@@ -54,7 +53,6 @@ AutoReqProv:  no
     organizations for large data collections.
 
 %prep
-    %integrity
     %setup -q
     %{l_shtool} subst -e 's;^\(INDEXLIBS=\);#\1;' configure