Index: ChangeLog
===================================================================
RCS file: /cvs/automake/automake/ChangeLog,v
retrieving revision 1.890
diff -u -r1.890 ChangeLog
--- ChangeLog	2000/09/15 20:09:55	1.890
+++ ChangeLog	2000/10/02 17:10:18
@@ -1,3 +1,8 @@
+2000-10-02  Morten Eriksen  <address@hidden>
+
+	* header.am (address@hidden@HEADERS): Don't install a header file if
+	it is identical to the file already installed.
+
 2000-09-15  Alexandre Duret-Lutz  <address@hidden>
 
 	* automake.in (initialize_global_constants): End the
Index: header.am
===================================================================
RCS file: /cvs/automake/automake/header.am,v
retrieving revision 1.24
diff -u -r1.24 header.am
--- header.am	1999/12/19 04:09:23	1.24
+++ header.am	2000/10/02 17:10:18
@@ -25,8 +25,10 @@
 	  if test -f "$$p"; then d= ; else d="$(srcdir)/"; fi; \
 BASE	  f="`echo $$p | sed -e 's|^.*/||'`"; \
 NOBASE	  f="$$p"; \
-	  echo " $(INSTALL_DATA) $$d$$p $(DESTDIR)$(@address@hidden)/$$f"; \
-	  $(INSTALL_DATA) $$d$$p $(DESTDIR)$(@address@hidden)/$$f; \
+	  if cmp -s $$d$$p $(DESTDIR)$(@address@hidden)/$$f; then :; else \
+	    echo " $(INSTALL_DATA) $$d$$p $(DESTDIR)$(@address@hidden)/$$f"; \
+	    $(INSTALL_DATA) $$d$$p $(DESTDIR)$(@address@hidden)/$$f; \
+	  fi; \
 	done
 
 address@hidden@HEADERS: