linux-kernel - [PATCH 10/10] tools gpio: Override CFLAGS assignments

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Date:   Mon, 22 Oct 2018 16:50:07 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Jiri Olsa <jolsa@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Hartmut Knaack <knaack.h@....de>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Len Brown <len.brown@...el.com>,
        Markus Mayer <mmayer@...adcom.com>,
        Shuah Khan <shuah@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Renninger <trenn@...e.com>,
        Tzvetomir Stoyanov <tz.stoyanov@...il.com>,
        Zhang Rui <rui.zhang@...el.com>,
        "Herton R. Krzesinski" <herton@...hat.com>
Subject: [PATCH 10/10] tools gpio: Override CFLAGS assignments

On Tue, Oct 16, 2018 at 05:06:05PM +0200, Jiri Olsa wrote:
> hi,
> while hardening some of the tools rpm, we noticed we
> can't pass build flags to some of them. 
> 
> Sending separate tools fixes for what we found. It's
> mostly override for CFLAGS and adding LDFLAGS to the
> build commands.
> 
> thanks,
> jirka
> 
> 
> Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
> Cc: Hartmut Knaack <knaack.h@....de>
> Cc: Jonathan Cameron <jic23@...nel.org>
> Cc: Lars-Peter Clausen <lars@...afoo.de>
> Cc: Len Brown <len.brown@...el.com>
> Cc: Markus Mayer <mmayer@...adcom.com>
> Cc: Shuah Khan <shuah@...nel.org>
> Cc: Signed-off-by: Len Brown <len.brown@...el.com>
> Cc: Steven Rostedt <rostedt@...dmis.org>
> Cc: Thomas Renninger <trenn@...e.com>
> Cc: Tzvetomir Stoyanov (VMware) <tz.stoyanov@...il.com>
> Cc: Zhang Rui <rui.zhang@...el.com>
> ---
> Jiri Olsa (10):
>       tools lib traceevent: Use LDFLAGS in the build commands
>       tools perf: Pass build flags to traceevent build
>       tools cpupower debug: Allow to use outside build flags
>       tools cpupower: Override CFLAGS assignments
>       tools power x86_energy_perf_policy: Override CFLAGS assignments and add LDFLAGS to build command
>       tools thermal tmon: Override CFLAGS assignments
>       tools thermal tmon: Use -O3 instead of -O1 if available
>       tools power turbostat: Override CFLAGS assignments and add LDFLAGS to build command
>       tools iio: Override CFLAGS assignments
>       tools gpio: Override CFLAGS assignments

the last one did not get post for some reason,
attaching it now

jirka


---
So user could specify outside CFLAGS values.

Cc: Jonathan Cameron <jic23@...nel.org>
Cc: Hartmut Knaack <knaack.h@....de>
Cc: Lars-Peter Clausen <lars@...afoo.de>
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/gpio/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/gpio/Makefile b/tools/gpio/Makefile
index 240eda014b37..6ecdd1067826 100644
--- a/tools/gpio/Makefile
+++ b/tools/gpio/Makefile
@@ -12,7 +12,7 @@ endif
 # (this improves performance and avoids hard-to-debug behaviour);
 MAKEFLAGS += -r
 
-CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
+override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
 
 ALL_TARGETS := lsgpio gpio-hammer gpio-event-mon
 ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
-- 
2.17.2