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"