[src/trunk]: src/etc Install "obsolete" files only when necessary.

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

details:   https://anonhg.NetBSD.org/src/rev/87de463716fc
branches:  trunk
changeset: 762135:87de463716fc
user:      uebayasi <uebayasi%NetBSD.org@localhost>
date:      Wed Feb 16 16:22:13 2011 +0000

description:
Install "obsolete" files only when necessary.

diffstat:

 etc/Makefile |  10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diffs (31 lines):

diff -r 44ae8bedbb63 -r 87de463716fc etc/Makefile
--- a/etc/Makefile      Wed Feb 16 16:20:06 2011 +0000
+++ b/etc/Makefile      Wed Feb 16 16:22:13 2011 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.386 2011/02/16 16:20:06 uebayasi Exp $
+#      $NetBSD: Makefile,v 1.387 2011/02/16 16:22:13 uebayasi Exp $
 #      from: @(#)Makefile      8.7 (Berkeley) 5/25/95
 
 # Environment variables without default values:
@@ -378,6 +378,7 @@
 OBSOLETE.files+=       xbase xcomp xetc xfont xserver
 .endif
 
+# XXX make "makeobsolete" set wise; then generate files respectively
 install-obsolete-lists: .PHONY .MAKE
        mkdir -p ${OBSOLETE.dir}
 .if ${MKX11} != "no"
@@ -389,8 +390,11 @@
 .endif
 .for file in ${OBSOLETE.files}
        ${_MKMSG_INSTALL} ${DESTDIR}/var/db/obsolete/${file}
-       ${ETC_INSTALL_FILE} -o ${BINOWN} -g ${BINGRP} -m 644 \
-           ${OBSOLETE.dir}/${file} ${DESTDIR}/var/db/obsolete
+       if [ ! -e ${DESTDIR}/var/db/obsolete/${file} ] || \
+           ! cmp -s ${OBSOLETE.dir}/${file} ${DESTDIR}/var/db/obsolete/${file}; then \
+               ${ETC_INSTALL_FILE} -o ${BINOWN} -g ${BINGRP} -m 644 \
+                   ${OBSOLETE.dir}/${file} ${DESTDIR}/var/db/obsolete; \
+       else true; fi
 .endfor