tree c502631ed6089df287ce829da9d679058ef5887a
parent d9ab7abe1e135a71685f0eb21a423c9db12e9580
author Lucas De Marchi <lucas.demarchi@intel.com> 1423535468 -0200
committer Lucas De Marchi <lucas.demarchi@intel.com> 1423535485 -0200

build: add better check for builtin function

It's not used right now in kmod, but may be used in future for other
builtins, so let the macro generic.