GAP purposely unsets CC which screws up Sun Studio build.

Imported from <a href="http://trac.sagemath.org/sage_trac/ticket/7041">trac #7041</a>.

Diff between the previous spkg in Sage and my new p7 spkg.  For reference / review only.

Reported by: drkirkby

Component: build

CC: dimpase,, rohana

Report Upstream: N/A

Authors: Leif Leonhardy

Dependencies: 

Work issues: 

Reviewers: R. Andrew Ohana

Merged in: sage-5.1.beta3

Attachments: <ol><li><a href="http://trac.sagemath.org/sage_trac/attachment/ticket/7041/gap-4.4.12.p6-p7.diff">gap-4.4.12.p6-p7.diff: Diff between the previous spkg in Sage and my new p7 spkg.  For reference / review only.</a> by leif at 20120409T12:18:19</li></ol>