Re: [PATCH 2/7] tools build: Add test for missing include

[Arnaldo Carvalho de Melo <acme@kernel.org>]

Em Wed, Sep 23, 2015 at 12:33:57PM +0200, Jiri Olsa escreveu:
> The current build framework fails to cope with header file
> removal. The reason is the removed header file stays in the
> .cmd file target rule and force the build to fail.

So, where is this test hooked up, is the way to test this to do:

cd tools/build/tests/
./run.sh
less ex.out

?
 
> This issue is fixed and explained in following patches.
> 
> Adding new build test that simulates header removal.
> 
> Link: http://lkml.kernel.org/n/tip-580lv21jts6t9j15cosxggdc@git.kernel.org
> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> ---
>  tools/build/tests/ex/Build    |  1 +
>  tools/build/tests/ex/Makefile |  2 +-
>  tools/build/tests/ex/ex.c     |  2 ++
>  tools/build/tests/ex/inc.c    |  8 ++++++++
>  tools/build/tests/run.sh      | 27 +++++++++++++++++++++++++++
>  5 files changed, 39 insertions(+), 1 deletion(-)
>  create mode 100644 tools/build/tests/ex/inc.c
> 
> diff --git a/tools/build/tests/ex/Build b/tools/build/tests/ex/Build
> index 429c7d452101..4d502f9b1a50 100644
> --- a/tools/build/tests/ex/Build
> +++ b/tools/build/tests/ex/Build
> @@ -4,6 +4,7 @@ ex-y += b.o
>  ex-y += b.o
>  ex-y += empty/
>  ex-y += empty2/
> +ex-y += inc.o
>  
>  libex-y += c.o
>  libex-y += d.o
> diff --git a/tools/build/tests/ex/Makefile b/tools/build/tests/ex/Makefile
> index a8f596e37fd2..f279b84cb859 100644
> --- a/tools/build/tests/ex/Makefile
> +++ b/tools/build/tests/ex/Makefile
> @@ -1,4 +1,4 @@
> -export srctree := ../../../..
> +export srctree := $(abspath ../../../..)
>  export CC      := gcc
>  export LD      := ld
>  export AR      := ar
> diff --git a/tools/build/tests/ex/ex.c b/tools/build/tests/ex/ex.c
> index dc42eb2e1a67..57de6074d252 100644
> --- a/tools/build/tests/ex/ex.c
> +++ b/tools/build/tests/ex/ex.c
> @@ -5,6 +5,7 @@ int c(void);
>  int d(void);
>  int e(void);
>  int f(void);
> +int inc(void);
>  
>  int main(void)
>  {
> @@ -14,6 +15,7 @@ int main(void)
>  	d();
>  	e();
>  	f();
> +	inc();
>  
>  	return 0;
>  }
> diff --git a/tools/build/tests/ex/inc.c b/tools/build/tests/ex/inc.c
> new file mode 100644
> index 000000000000..c20f1e9033a3
> --- /dev/null
> +++ b/tools/build/tests/ex/inc.c
> @@ -0,0 +1,8 @@
> +#ifdef INCLUDE
> +#include "krava.h"
> +#endif
> +
> +int inc(void)
> +{
> +	return 0;
> +}
> diff --git a/tools/build/tests/run.sh b/tools/build/tests/run.sh
> index 5494f8ea7567..44d2a0fade67 100755
> --- a/tools/build/tests/run.sh
> +++ b/tools/build/tests/run.sh
> @@ -34,9 +34,36 @@ function test_ex_suffix {
>  	make -C ex V=1 clean > /dev/null 2>&1
>  	rm -f ex.out
>  }
> +
> +function test_ex_include {
> +	make -C ex V=1 clean > ex.out 2>&1
> +
> +	# build with krava.h include
> +	touch ex/krava.h
> +	make -C ex V=1 CFLAGS=-DINCLUDE >> ex.out 2>&1
> +
> +	if [ ! -x ./ex/ex ]; then
> +	  echo FAILED
> +	  exit -1
> +	fi
> +
> +	# build without the include
> +	rm -f ex/krava.h ex/ex
> +	make -C ex V=1 >> ex.out 2>&1
> +
> +	if [ ! -x ./ex/ex ]; then
> +	  echo FAILED
> +	  exit -1
> +	fi
> +
> +	make -C ex V=1 clean > /dev/null 2>&1
> +	rm -f ex.out
> +}
> +
>  echo -n Testing..
>  
>  test_ex
>  test_ex_suffix
> +test_ex_include
>  
>  echo OK
> -- 
> 2.4.3