From c80ccbbf3314d2245cb2e2b86267fff4597551e7 Mon Sep 17 00:00:00 2001
From: Kenichi Handa <handa@m17n.org>
Date: Thu, 12 Feb 2004 07:25:52 +0000
Subject: [PATCH] (install): Copy updated files only.

---
 admin/charsets/Makefile | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/admin/charsets/Makefile b/admin/charsets/Makefile
index 771a876f762..6def349d96d 100644
--- a/admin/charsets/Makefile
+++ b/admin/charsets/Makefile
@@ -313,9 +313,23 @@ EBCDIC%.map: ${GLIBC_CHARMAPS}/EBCDIC-% mapconv compact.awk
 	# Generating $@...
 	@mapconv $< '/^<.*[ 	]\/x/' GLIBC-1 compact.awk > $@
 
-install: ${CHARSETS} ${TRANS_TABLE}
-	cp ${CHARSETS} ../../etc/charsets
-	cp ${TRANS_TABLE} ../../lisp/international
+install:
+	@for f in ${CHARSETS}; do \
+	  if test -r $$f; then \
+	    if ! cmp -s $$f ../../etc/charsets/$$f; then \
+	      echo updating $$f; \
+	      cp $$f ../../etc/charsets; \
+	    fi; \
+	  fi; \
+	done
+	@for f in ${TRANS_TABLE}; do \
+	  if test -r $$f; then \
+	    if ! cmp -s $$f ../../lisp/international/$$f; then \
+	      echo updating $$f; \
+	      cp $$f ../../lisp/international; \
+	    fi; \
+	  fi; \
+	done
 
 # Clear files that are automatically generated.
 clean:
-- 
2.39.5