function check capability in 'raw' format
= NAME = check_capability = SYNOPSIS = * check_capability <variable> = DESCRIPTION = This routine checks that a board and distribution have a certain "capability". The capability is defined as a variable prefixed with "CAP_". If the indicated capability variable is set, nothing happens. If the variable is not set, then the job is aborted. = EXAMPLES = Here are some sample invocations: {{{#!YellowBox check_capability RENESAS }}} This would check for the presence of $CAP_RENESAS, and check that its value is non-empty. = ENVIRONMENT and ARGUMENTS = This routine specifically checks whether $CAP_<variable> is non-zero. = RETURN = Returns non-zero and aborts the job if the CAP_<variable> is not defined. = SOURCE = Located in ''scripts/functions.sh'' = SEE ALSO = * [[function_assert_define|assert_define]], [[function_test_run|test_run]]