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SubjectRe: [patch] perf: Fix build failure on OpenSuse userspace
Date
Hi,

On Fri, 4 May 2012 17:26:13 +0200, Jiri Olsa wrote:
> On Fri, May 04, 2012 at 12:10:55PM -0300, Lucas De Marchi wrote:
>> Nah. What you need is -Wno-sign-compare.
>>
>> But you are better off overriding the CFLAGS for these generated
>> files. Just put -Wno-error as the last one (untested, but should work)
>
> yep, I think it's good idea.. and plus '-w' to suppres warnings not to
> polute the build log
>
> jirka

Works well for me. But I guess -Wno-error turns into a nop if we use
'-w', right?


Thank,
Namhyung


>
>
> ---
> diff --git a/tools/perf/Makefile b/tools/perf/Makefile
> index 7055a00..9c734a2 100644
> --- a/tools/perf/Makefile
> +++ b/tools/perf/Makefile
> @@ -729,10 +729,10 @@ $(OUTPUT)perf.o perf.spec \
> # over the general rule for .o
>
> $(OUTPUT)util/%-flex.o: $(OUTPUT)util/%-flex.c $(OUTPUT)PERF-CFLAGS
> - $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -Iutil/ -Wno-redundant-decls -Wno-switch-default -Wno-unused-function $<
> + $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -Iutil/ -Wno-error -w $<
>
> $(OUTPUT)util/%-bison.o: $(OUTPUT)util/%-bison.c $(OUTPUT)PERF-CFLAGS
> - $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DYYENABLE_NLS=0 -DYYLTYPE_IS_TRIVIAL=0 -Iutil/ -Wno-redundant-decls -Wno-switch-default -Wno-unused-function $<
> + $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DYYENABLE_NLS=0 -DYYLTYPE_IS_TRIVIAL=0 -Iutil/ -Wno-error -w $<
>
> $(OUTPUT)%.o: %.c $(OUTPUT)PERF-CFLAGS
> $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $<


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