building seamonkey with clang

[Cary]

On Wed, Aug 21, 2013 at 07:20:52PM +0200, Dan Lukes wrote:
> >0.      Program arguments: /usr/bin/clang++ -cc1 -triple i386-unknown-freebsd9.0
> ...
> >sr/local/include -fmodule-cache-path /var/tmp/clang-module-cache -O3 -Wall -Wpoi
> ...
> >y/work/comm-release/mailnews/local/src/nsMsgMaildirStore.cpp
> 
> You may be interested to know that source will compile with -O0
> (instead of -O3).
> 
> Dan
> 

Hello Dan,
In order to compile using optimiztion level -O0 instead of -O3 
in what way could one change the port's configuration before running make?

thanks,
Cary
-- 
cary at sdf.org
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