[PATCH] respect build CPPFLAGS

[Mike Frysinger]

On Saturday 17 December 2011 13:59:03 Ulrich Drepper wrote:
> On Mon, Sep 19, 2011 at 13:17, Mike Frysinger wrote:
> > for a little background, some distros (like Debian, Ubuntu, Gentoo, and
> > i'm sure others) enable _FORTIFY_SOURCE by default in their compilers.
> >  the way to disable this is by using -U_FORTIFY_SOURCE:
>
> This is no solution since you have no control over the place where the
> parameter is used relative to whatever you try to disable.

i really have no idea what you're trying to say

> Complicating the makefile handling even more without any
> real benefit doesn't really sound right.

it's making the flag handling in the build system consistent, and we're talking 
all of 1 line and 1 additional variable expansion.  "complicating" is kind of 
stretching the definition ...
-mike
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