Fix build on gcc-based architectures by removing the assumption that FreeBSD must imply clang. While here, remove duplicate definition from USES. PR: 234580 Submitted by: Piotr Kubaj Approved by: portmgr (tier-2 blanket)
head/databases/percona57-server/Makefile
head/databases/percona57-server/files/patch-cmake_os_FreeBSD.cmake