--- libpkt/GNUmakefile.orig	2024-05-27 06:59:46 UTC
+++ libpkt/GNUmakefile
@@ -8,16 +8,15 @@ SRCS+=		utils.c
 SRCS+=		ip6pkt.c
 SRCS+=		utils.c
 
-CFLAGS+=	-O2
 CFLAGS+=	-Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith
 CFLAGS+=	-Wreturn-type -Wswitch -Wshadow
 CFLAGS+=	-Wcast-qual -Wwrite-strings
 CFLAGS+=	-Wno-address-of-packed-member
 
 # x86
-CFLAGS+=	-DUSE_CPU_IN_CKSUM
+#CFLAGS+=	-DUSE_CPU_IN_CKSUM
 SRCS+=		in_cksum.c
-SRCS+=		cpu_in_cksum.S
+#SRCS+=		cpu_in_cksum.S
 
 
 OBJS+=	$(patsubst %.S,%.o,$(SRCS:%.c=%.o))