[src/trunk]: src/external/gpl2/groff/bin use CLEANFILES+= not CLEANFILES= to ...

[mrg <mrg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/096c7986df7f
branches:  trunk
changeset: 831117:096c7986df7f
user:      mrg <mrg%NetBSD.org@localhost>
date:      Tue Mar 13 03:03:33 2018 +0000

description:
use CLEANFILES+= not CLEANFILES= to avoid overriding what was already
setup before now.

diffstat:

 external/gpl2/groff/bin/eqn/Makefile   |  4 ++--
 external/gpl2/groff/bin/pic/Makefile   |  4 ++--
 external/gpl2/groff/bin/refer/Makefile |  4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diffs (51 lines):

diff -r e55a4deb0fb8 -r 096c7986df7f external/gpl2/groff/bin/eqn/Makefile
--- a/external/gpl2/groff/bin/eqn/Makefile      Tue Mar 13 02:24:26 2018 +0000
+++ b/external/gpl2/groff/bin/eqn/Makefile      Tue Mar 13 03:03:33 2018 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.2 2016/01/14 02:30:18 christos Exp $
+# $NetBSD: Makefile,v 1.3 2018/03/13 03:03:33 mrg Exp $
 
 # $FreeBSD: src/gnu/usr.bin/groff/src/preproc/eqn/Makefile,v 1.4 2003/05/01 13:22:19 ru Exp $
 
@@ -15,6 +15,6 @@
 CPPFLAGS+=     -I${DIST_DIR} -I.
 SCRIPTS=       neqn
 MAN=           eqn.1 neqn.1
-CLEANFILES=    ${SCRIPTS} ${MAN}
+CLEANFILES+=   ${SCRIPTS} ${MAN}
 
 .include <bsd.prog.mk>
diff -r e55a4deb0fb8 -r 096c7986df7f external/gpl2/groff/bin/pic/Makefile
--- a/external/gpl2/groff/bin/pic/Makefile      Tue Mar 13 02:24:26 2018 +0000
+++ b/external/gpl2/groff/bin/pic/Makefile      Tue Mar 13 03:03:33 2018 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.2 2016/01/14 02:30:18 christos Exp $
+# $NetBSD: Makefile,v 1.3 2018/03/13 03:03:33 mrg Exp $
 
 # $FreeBSD: src/gnu/usr.bin/groff/src/preproc/pic/Makefile,v 1.4 2003/05/01 13:22:20 ru Exp $
 
@@ -12,6 +12,6 @@
 SRCS=          lex.cpp main.cpp object.cpp pic.cpp \
                common.cpp troff.cpp tex.cpp
 CPPFLAGS+=     -I${DIST_DIR} -I.
-CLEANFILES=    ${MAN}
+CLEANFILES+=   ${MAN}
 
 .include <bsd.prog.mk>
diff -r e55a4deb0fb8 -r 096c7986df7f external/gpl2/groff/bin/refer/Makefile
--- a/external/gpl2/groff/bin/refer/Makefile    Tue Mar 13 02:24:26 2018 +0000
+++ b/external/gpl2/groff/bin/refer/Makefile    Tue Mar 13 03:03:33 2018 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.2 2016/01/14 02:30:18 christos Exp $
+# $NetBSD: Makefile,v 1.3 2018/03/13 03:03:33 mrg Exp $
 
 # $FreeBSD: src/gnu/usr.bin/groff/src/preproc/refer/Makefile,v 1.4 2003/05/01 13:22:20 ru Exp $
 
@@ -13,6 +13,6 @@
 CFLAGS+=       -I${DIST_DIR}
 DPADD+=                ${LIBBIB}
 LDADD+=                ${LIBBIB}
-CLEANFILES=    ${MAN}
+CLEANFILES+=   ${MAN}
 
 .include <bsd.prog.mk>