$FreeBSD$

--- Makefile.rules
+++ Makefile.rules
@@ -27,6 +27,7 @@
    CMD_PREFIX=
 endif
 
+ifneq ($(OSARCH),FreeBSD)
 ifeq ($(findstring DONT_OPTIMIZE,$(MENUSELECT_CFLAGS)),)
 # More GSM codec optimization
 # Uncomment to enable MMXTM optimizations for x86 architecture CPU's
@@ -37,6 +38,7 @@
 OPTIMIZE?=-O6
 ASTCFLAGS+=$(OPTIMIZE)
 endif
+endif
 
 %.o: %.c
 	$(ECHO_PREFIX) echo "   [CC] $< -> $@"