CYGWIN = $(findstring CYGWIN, $(UNAME))
MINGW = $(findstring MINGW32, $(UNAME))
-CFLAGS += -Wall -Wextra -Werror -fno-strict-aliasing $(OPTIONAL)
+CFLAGS += -O3 -Wall -Wextra -Werror -fno-strict-aliasing $(OPTIONAL)
ifneq ($(shell git describe --always 2>/dev/null),)
CFLAGS += -DGMQCC_GITINFO="\"$(shell git describe --always)\""
endif