$NetBSD$

# Respect env
--- Makefile.orig	2015-06-17 19:10:21 UTC
+++ Makefile
@@ -1,5 +1,5 @@
-CC=gcc
-CFLAGS=-g -Wall -O2 -Wno-unused-function
+CC ?=		gcc
+CFLAGS ?=	-g -Wall -O2 -Wno-unused-function
 
 all:seqtk trimadap
 
