linux-kernel - Re: [PATCH v3 03/17] perf test: Add Build file to dependencies for llvm-src-*.c

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Message-ID: <20151214101043.GE27640@krava.brq.redhat.com>
Date:	Mon, 14 Dec 2015 11:10:43 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Josh Poimboeuf <jpoimboe@...hat.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	linux-kernel@...r.kernel.org, Namhyung Kim <namhyung@...nel.org>
Subject: Re: [PATCH v3 03/17] perf test: Add Build file to dependencies for
 llvm-src-*.c

On Sun, Dec 13, 2015 at 10:18:03PM -0600, Josh Poimboeuf wrote:
> Because the Build file writes source code to the generated llvm-src-*.c
> files, it should be listed as one of the dependencies, so that any
> future changes to the code being echoed won't require a 'make clean'.

Acked-by: Jiri Olsa <jolsa@...nel.org>

thanks,
jirka

> 
> Signed-off-by: Josh Poimboeuf <jpoimboe@...hat.com>
> ---
>  tools/perf/tests/Build | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build
> index 0ff8a97..f23fb7e 100644
> --- a/tools/perf/tests/Build
> +++ b/tools/perf/tests/Build
> @@ -35,21 +35,21 @@ perf-y += llvm.o llvm-src-base.o llvm-src-kbuild.o llvm-src-prologue.o
>  perf-y += bpf.o
>  perf-y += topology.o
>  
> -$(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c
> +$(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c tests/Build
>  	$(call rule_mkdir)
>  	$(Q)echo '#include <tests/llvm.h>' > $@
>  	$(Q)echo 'const char test_llvm__bpf_base_prog[] =' >> $@
>  	$(Q)sed -e 's/"/\\"/g' -e 's/\(.*\)/"\1\\n"/g' $< >> $@
>  	$(Q)echo ';' >> $@
>  
> -$(OUTPUT)tests/llvm-src-kbuild.c: tests/bpf-script-test-kbuild.c
> +$(OUTPUT)tests/llvm-src-kbuild.c: tests/bpf-script-test-kbuild.c tests/Build
>  	$(call rule_mkdir)
>  	$(Q)echo '#include <tests/llvm.h>' > $@
>  	$(Q)echo 'const char test_llvm__bpf_test_kbuild_prog[] =' >> $@
>  	$(Q)sed -e 's/"/\\"/g' -e 's/\(.*\)/"\1\\n"/g' $< >> $@
>  	$(Q)echo ';' >> $@
>  
> -$(OUTPUT)tests/llvm-src-prologue.c: tests/bpf-script-test-prologue.c
> +$(OUTPUT)tests/llvm-src-prologue.c: tests/bpf-script-test-prologue.c tests/Build
>  	$(call rule_mkdir)
>  	$(Q)echo '#include <tests/llvm.h>' > $@
>  	$(Q)echo 'const char test_llvm__bpf_test_prologue_prog[] =' >> $@
> -- 
> 2.4.3
> 
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