[PATCH] newlib: undefine _FORTIFY_SOURCE

Keith Packard keithp@keithp.com
Tue Nov 9 03:15:31 GMT 2021

Mike Frysinger <vapier@gentoo.org> writes:

> Since newlib isn't prepared to build itself with _FORTIFY_SOURCE, and
> it's not clear if it's even useful, disable it when building the code.

It is useful; I've caught a few library bugs when I turned this on for
picolibc. Fixing newlib to handle -D_FORTIFY_SOURCE could probably start
with the patches I did in picolibc, which mostly just #undef the various
mem and str functions before defining them.

General code:


Arm specific code:


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