parameters: (output, variable_name, value)
docstring: Sets a CMake variable.
docstring_summary: Sets a CMake variable.
docstring_tokens: Sets a CMake variable .
function: def SetVariable(output, variable_name, value):
    """Sets a CMake variable."""
    output.write('set(')
    output.write(variable_name)
    output.write(' "')
    output.write(CMakeStringEscape(value))
    output.write('")\n')
function_tokens: def SetVariable ( output , variable_name , value ) : output . write ( 'set(' ) output . write ( variable_name ) output . write ( ' "' ) output . write ( CMakeStringEscape ( value ) ) output . write ( '")\n' )