$OpenBSD$
--- Makefile.orig	Tue Aug 11 20:42:03 2015
+++ Makefile	Thu Aug 27 17:13:37 2015
@@ -4,9 +4,9 @@ BINDIR ?= $(PREFIX)/bin
 LIBDIR ?= $(PREFIX)/lib
 MANDIR ?= $(PREFIX)/share/man
 
-CFLAGS ?= -O3 -march=native -fomit-frame-pointer -pipe
+CFLAGS ?= -pipe
 CFLAGS += -std=gnu99 -D_GNU_SOURCE
-CFLAGS += -pedantic -Wall -Wextra -Wno-language-extension-token
+CFLAGS += -pedantic -Wall -Wextra
 CFLAGS += -MMD
 
 UNAME_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')
