$NetBSD: patch-aa,v 1.7 2016/03/30 09:57:50 jperkin Exp $

Call it bgrep.  Pass pkgsrc variables.

--- Makefile.orig	2006-05-15 21:12:21.000000000 +0000
+++ Makefile
@@ -2,18 +2,18 @@
 
-PROG=	grep
+PROG=	bgrep
 SRCS=	binary.c file.c grep.c mmfile.c queue.c util.c
 
-LINKS=  ${BINDIR}/grep ${BINDIR}/egrep	\
-	${BINDIR}/grep ${BINDIR}/fgrep	\
-	${BINDIR}/grep ${BINDIR}/zgrep	\
-	${BINDIR}/grep ${BINDIR}/zegrep	\
-	${BINDIR}/grep ${BINDIR}/zfgrep
-
-MLINKS= grep.1 egrep.1	\
-	grep.1 fgrep.1	\
-	grep.1 zgrep.1	\
-	grep.1 zegrep.1	\
-	grep.1 zfgrep.1
+LINKS=  ${BINDIR}/bgrep ${BINDIR}/ebgrep	\
+	${BINDIR}/bgrep ${BINDIR}/fbgrep	\
+	${BINDIR}/bgrep ${BINDIR}/zbgrep	\
+	${BINDIR}/bgrep ${BINDIR}/zebgrep	\
+	${BINDIR}/bgrep ${BINDIR}/zfbgrep
+
+MLINKS= bgrep.1 ebgrep.1	\
+	bgrep.1 fbgrep.1	\
+	bgrep.1 zbgrep.1	\
+	bgrep.1 zebgrep.1	\
+	bgrep.1 zfbgrep.1
 
-LDADD=  -lz
+LDADD=	-lz ${LIBS}
 
@@ -21,2 +21,7 @@ WARNS=	4
 
+PREFIX?=	/usr/local
+MANDIR=		${PREFIX}/${PKGMANDIR}
+BINDIR=		${PREFIX}/bin
+MKCATPAGES?=	no
+
 .include <bsd.prog.mk>