__clang__ 59 opal/include/opal_stdint.h #if defined(__clang__) || (defined(__GNUC__) && __GNUC__ >= 6) __clang__ 60 opal/mca/pmix/pmix4x/pmix/src/include/pmix_stdint.h #if defined(__clang__) || (defined(__GNUC__) && __GNUC__ >= 6)