[Beignet] [PATCH] GBE: define python interpreter by cmake variable

[Zhigang Gong]

Boqun,

LGTM, thanks for your contribution, pushed.

On Tue, Sep 17, 2013 at 11:41:50AM +0800, Boqun Feng wrote:
> In some distros, python is linked to python3 not
> python2, and GBE can't be built on such distros
> without modification.
> 
> CMake provides a variable PYTHON_EXECUTABLE.
> By default, this variable is the same as
> `/usr/bin/env python`, and if another python2
> interpreter is needed, just add this defination in
> `cmake` command.
> 
> -DPYTHON_EXECUTABLE:FILEPATH=/path/to/python2
> 
> And this will change PYTHON_EXECUTABLE to
> /path/to/python2
> 
> Signed-off-by: Boqun Feng <boqun.feng at gmail.com>
> ---
>  backend/src/CMakeLists.txt | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/backend/src/CMakeLists.txt b/backend/src/CMakeLists.txt
> index dd91ca5..5ef1234 100644
> --- a/backend/src/CMakeLists.txt
> +++ b/backend/src/CMakeLists.txt
> @@ -26,12 +26,12 @@ set_property(DIRECTORY APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "ocl_vector.h
>  
>  add_custom_command(
>    OUTPUT ${ocl_vector_file}
> -  COMMAND ${ocl_gen_vector_cmd} ${ocl_vector_spec_file} ${ocl_vector_file}
> +  COMMAND ${PYTHON_EXECUTABLE} ${ocl_gen_vector_cmd} ${ocl_vector_spec_file} ${ocl_vector_file}
>    DEPENDS ${ocl_gen_vector_cmd} ${ocl_vector_spec_file})
>  
>  add_custom_command(
>    OUTPUT ${ocl_blob_file}
> -  COMMAND ${ocl_gen_blob_cmd} ${ocl_stdlib_tmpl_file} ${ocl_blob_file}
> +  COMMAND ${PYTHON_EXECUTABLE} ${ocl_gen_blob_cmd} ${ocl_stdlib_tmpl_file} ${ocl_blob_file}
>    DEPENDS ${ocl_gen_blob_cmd} ${ocl_stdlib_tmpl_file} ${ocl_vector_file} ${ocl_as_file} ${ocl_convert_file})
>  
>  
> -- 
> 1.8.4
> 
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