Buildworld Fails RELENG_7

[Mark Andrews]

> 
> > On Tue, May 20, 2008 at 11:58:03AM +1000, Mark Andrews wrote:
> > > 
> > > > # export CFLAGS=""
> > > 
> > > 	This does NOT remove CFLAGS from the environment.
> > 
> > It does when you shell is bash.
> 
> 	bash is broken.  Empty environment variables have meaning.
> 	
> 	Mark

	And when tested does behave the way you describe.

	Mark

drugs:9.5.x 13:30 {4371} % bash
[marka at drugs ~/cvs/9.5.x]$ printenv | grep FOO
[marka at drugs ~/cvs/9.5.x]$ FOO=ll
[marka at drugs ~/cvs/9.5.x]$ export FOO
[marka at drugs ~/cvs/9.5.x]$ printenv | grep FOO
FOO=ll
[marka at drugs ~/cvs/9.5.x]$ FOO=""
[marka at drugs ~/cvs/9.5.x]$ export FOO
[marka at drugs ~/cvs/9.5.x]$ printenv | grep FOO
FOO=
[marka at drugs ~/cvs/9.5.x]$ env -i PATH=$PATH printenv | grep FOO
[marka at drugs ~/cvs/9.5.x]$ 

> -- 
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org