From: Akim Demaille <demaille@gostai.com>
Date: Fri, 21 Nov 2008 20:21:52 +0000 (+0100)
Subject: Display the changes in cross-options.texi.
X-Git-Tag: v2.7.90~1004
X-Git-Url: https://git.saurik.com/bison.git/commitdiff_plain/01466c3ebe1cdcc89a59aac157284409c2b441b5

Display the changes in cross-options.texi.

	* build-aux/cross-options.pl ($sep): New, to separate items.
	* doc/local.mk ($(CROSS_OPTIONS_TEXI)): Use diff to display the
	changes.
---

diff --git a/ChangeLog b/ChangeLog
index 3b3ac267..aaaefcd5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2008-11-21  Akim Demaille  <demaille@gostai.com>
+
+	Display the changes in cross-options.texi.
+	* build-aux/cross-options.pl ($sep): New, to separate items.
+	* doc/local.mk ($(CROSS_OPTIONS_TEXI)): Use diff to display the
+	changes.
+
 2008-11-20  Di-an Jan  <dianj@freeshell.org>
 
 	Improves options in the manual.
diff --git a/build-aux/cross-options.pl b/build-aux/cross-options.pl
index 478303d5..6d153a05 100755
--- a/build-aux/cross-options.pl
+++ b/build-aux/cross-options.pl
@@ -58,9 +58,12 @@ while (<STDIN>)
     }
 }
 
+my $sep = '';
 foreach my $long (sort keys %option)
 {
     # Avoid trailing spaces.
+    print $sep;
+    $sep = "\n";
     print '@item @option{', $long, "}\n\@tab";
     print ' @option{', $option{$long}, '}' if $option{$long};
     print "\n\@tab";
diff --git a/doc/local.mk b/doc/local.mk
index a352459d..d1397904 100644
--- a/doc/local.mk
+++ b/doc/local.mk
@@ -29,10 +29,12 @@ clean-local:
 CROSS_OPTIONS_PL = $(top_srcdir)/build-aux/cross-options.pl
 CROSS_OPTIONS_TEXI = $(top_srcdir)/doc/cross-options.texi
 $(CROSS_OPTIONS_TEXI): $(top_srcdir)/src/getargs.c $(CROSS_OPTIONS_PL)
-	-rm -f $@ $@.tmp
+	mv -f $@ $@~ || : >$@~
+	-rm -f $@.tmp
 	$(MAKE) $(AM_MAKEFLAGS) src/bison$(EXEEXT)
 	$(top_builddir)/src/bison --help |				\
 	perl $(CROSS_OPTIONS_PL) $(top_srcdir)/src/scan-gram.l >$@.tmp
+	diff -u $@~ $@.tmp || true
 	mv $@.tmp $@
 MAINTAINERCLEANFILES = $(CROSS_OPTIONS_TEXI)