Re: [PATCH] perf, liblk: Fix _FORTIFY_SOURCE builds

Arnaldo Carvalho de Melo
2013-03-03T20:37:44Z

Em Sun, Mar 03, 2013 at 08:25:33PM +0100, Borislav Petkov escreveu:
> Jiri Olsa triggers the following build error:

> SUBDIR ../lib/lk/
> CC debugfs.o
> In file included from /usr/include/errno.h:29:0,
> from debugfs.c:1:
> /usr/include/features.h:314:4: error: #warning _FORTIFY_SOURCE requires compiling with optimization (-O) [-Werror=cpp]

> This is because enabling buffer overflow checks through _FORTIFY_SOURCE
> require compiler optimizations to be enabled too. However, those are
> not. Enable them by simply copying the perf optimization level. It can
> be expanded later if we want to support debug builds, etc.

Thanks, applied.

- Arnaldo