> DragonFly has always had 2 compilers in the base system - before GCC5, it was GCC 4.4 and GCC 4.7. > With this change, it’s 4.7 and 5.0. The next change will probably be GCC 5 and clang > (i.e. GCC 4.7 out, clang in) . So, it wasn’t that GCC was chosen over clang, it’s more just “not yet”. Compiler work ain’t easy.