[PATCH v2] tests: move -D_FORTIFY_SOURCE to CPPFLAGS

[Mike Frysinger]

On Tuesday 08 May 2012 09:28:15 Carlos O'Donell wrote:
> On Tue, May 8, 2012 at 1:55 AM, Mike Frysinger wrote:
> > +# Need to make sure the settings here override what configure might
> > +# have set up for us, so keep the CFLAGS/CPPFLAGS split logical.
> 
> It doesn't say why we put the -D_FORTIFY_SOURCE=1 in CPPFLAGS?

the "keep the ... split logical" implies why -- -D/-I/etc... flags are 
CPPFLAGS, not CFLAGS.  this isn't unique to glibc.

> # Need to make sure the settings here override what configure might
> # have set up for us, so use CPPFLAGS (last in the expanded list)
> # to set test flags we always want enabled.

that makes it sound like we should be using CPPFLAGS for everything we want to 
override
-mike
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