* Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxxxxxxx> wrote:
> Em Thu, Sep 12, 2013 at 03:27:06PM +0200, Ingo Molnar escreveu:
> > There are older libaudit versions that don't have an audit_errno_to_name()
> > method, resulting in a builtin-trace.c build error:
> >
> > builtin-trace.c: In function ‘trace__sys_exit’:
> > builtin-trace.c:794: warning: implicit declaration of function ‘audit_errno_to_name’
> >
> > Expand the libaudit test to detect this.
>
> Lets sharpen it a bit more ;-)
>
> CHK libaudit
> <stdin>: In function ‘main’:
> <stdin>:5:9: error: ‘error’ undeclared (first use in this function)
> <stdin>:5:9: note: each undeclared identifier is reported only once for each function it appears in
> <stdin>:5:15: error: expected ‘)’ before ‘message’
> make: Entering directory `/home/git/linux/tools/perf'
> config/Makefile:238: No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev
>
> We need this folded in to buind it, so that the test works:
>
> diff --git a/tools/perf/config/feature-tests.mak b/tools/perf/config/feature-tests.mak
> index 5608add..7f550c1 100644
> --- a/tools/perf/config/feature-tests.mak
> +++ b/tools/perf/config/feature-tests.mak
> @@ -210,7 +210,7 @@ define SOURCE_LIBAUDIT
>
> int main(void)
> {
> - printf("error message: %s\n", audit_errno_to_name(0));
> + printf(\"error message: %s\n\", audit_errno_to_name(0));
indeed, I only tested that it turned the feature off :-/
Thanks,
Ingo
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