[yocto] Problems finding python when using a cmake recipe

[S.Jaritz at esa-grimma.de]

Hej

I want to create a recipe for an application. This application is 
generated through cmake. In the cmake file "CMakeLists.txt" is the 
passage:
##############
include(FindPythonInterp)
include(FindPythonLibs)
....
add_custom_command(OUTPUT "${CMAKE_BINARY_DIR}/error.cpp" 
"${CMAKE_BINARY_DIR}/error.hpp"non_existant_file
    COMMENT "create error.cpp"
    COMMAND ${PYTHON_EXECUTABLE} "${CMAKE_SOURCE_DIR}/mc2cpp.py" 
"${CMAKE_SOURCE_DIR}/Common/ErrorCodes/Error_Build/Errors.mc" 
"${CMAKE_BINARY_DIR}/error"
)
##############

This generates a header and a cpp file, which contains some error codes. 
When executing the cmake in my common environment it works fine. Under 
Bitbake it fails. Python is not found.

How to configure the recipe or the configuration to get it run?

Regards!

Stefan Jaritz


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