* man/Makefile.am (MOSTLYCLEANFILES): Add $(srcdir)/*.t.

(.x.1): Ignore the time stamp in the .TH line when deciding whether
to update the man page.  That way, we don't have to check in new
man pages every month.

diff --git a/ChangeLog b/ChangeLog
index 37720ad31480ff2da09ea169f1c5c3bad077f1c2..78e181947f4f637f25c49bf741e3df8d3d7668c2 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2005-06-10  Paul Eggert  <eggert@cs.ucla.edu>
 
+       * man/Makefile.am (MOSTLYCLEANFILES): Add $(srcdir)/*.t.
+       (.x.1): Ignore the time stamp in the .TH line when deciding whether
+       to update the man page.  That way, we don't have to check in new
+       man pages every month.
+
        * lib/m4sugar/m4sh.m4 (AS_VAR_TEST_SET): Work even if $1 contains
        quotes and backslashes.  Patch from Derek Price.
 

diff --git a/man/Makefile.am b/man/Makefile.am
index fe813798ac937657dc701e4d9f8ec352a5ed4caf..e74355d376b0de64086d51d705c4703abafd7eae 100644 (file)
--- a/man/Makefile.am
+++ b/man/Makefile.am
@@ -47,6 +47,10 @@ $(srcdir)/ifnames.1:    $(common_dep) $(binsrcdir)/ifnames.in
 $(srcdir)/config.guess.1: $(top_srcdir)/config/config.guess
 $(srcdir)/config.sub.1:   $(top_srcdir)/config/config.sub
 
+remove_time_stamp = 's/^\(\.TH[^"]*"[^"]*"[^"]*\)"[^"]*"/\1/'
+
+MOSTLYCLEANFILES = $(srcdir)/*.t
+
 SUFFIXES = .x .1
 
 .x.1:
@@ -65,4 +69,11 @@ SUFFIXES = .x .1
        $(HELP2MAN) \
            --include=$*.x \
            --include=$(srcdir)/common.x \
-           --output=$@ `echo '$*' | sed 's,.*/,,'`
+           --output=$@.t `echo '$*' | sed 's,.*/,,'`
+       if sed $(remove_time_stamp) $@ >$@a.t 2>/dev/null && \
+          sed $(remove_time_stamp) $@.t | cmp $@a.t - >/dev/null 2>&1; then \
+               touch $@; \
+       else \
+               mv $@.t $@; \
+       fi
+       rm -f $@*.t