PATCH: Pass -fcommon for elfcomm.exp

[Alan Modra]

On Fri, Mar 06, 2009 at 01:30:09PM -0800, Mark Mitchell wrote:
> 
> If "-fno-common" is in CFLAGS, then the tests for correct handling of
> common data fail because the compiler doesn't actually generate common
> data.  This patch explicitly passes -fcommon, making the testsuite
> more robust.  

What if $CC is not gcc?

-- 
Alan Modra
Australia Development Lab, IBM