DLEXT             381 .ext/include/x86_64-linux/ruby/config.h #define DLEXT ".so"
DLEXT              88 ext/tk/stubs.c # undef DLEXT
DLEXT              89 ext/tk/stubs.c # define DLEXT ".dll"
DLEXT             100 ext/tk/stubs.c #  undef DLEXT
DLEXT             101 ext/tk/stubs.c #  define DLEXT ".dylib"