From b88672481836083d67d1cbaabd0e5bd491f701dd Mon Sep 17 00:00:00 2001
From: Sergey Poznyakoff <gray@gnu.org.ua>
Date: Mon, 12 Jun 2006 22:49:37 +0000
Subject: [PATCH] (check-options): New goal

---
 doc/Makefile.am | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/doc/Makefile.am b/doc/Makefile.am
index 43acec7..4c8d448 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -45,6 +45,26 @@ header.texi: $(top_srcdir)/src/tar.h
 master-menu: $(tar_TEXINFOS)
 	emacs -batch -l mastermenu.el -f make-master-menu $(info_TEXINFOS)
 
+check-options:
+	@ARGP_HELP_FMT='usage-indent=0,short-opt-col=0,long-opt-col=0,\
+doc-opt-col=0,opt-doc-col=0,header-col=0,rmargin=1' \
+	$(top_builddir)/src/tar --usage | \
+	sed -n 's/^\[--\([^]\=\[]*\).*/\1/p' | sort | uniq > opts.$$$$;\
+	sed -n 's/@opindex *\([^,]*\)$$/\1/p;s/@opindex *\(.*\),.*/\1/p' \
+	    $(info_TEXINFOS) | sort | uniq > docs.$$$$;\
+	(echo 'Not documented options:';\
+	 join -v1 opts.$$$$ docs.$$$$;\
+	 echo 'Non-existing options:';\
+	 join -v2 opts.$$$$ docs.$$$$) > report.$$$$;\
+	 rm opts.$$$$ docs.$$$$;\
+	 if [ -n "`sed '1,2d' report.$$$$`" ]; then \
+	   cat report.$$$$;\
+	   rm report.$$$$;\
+	   exit 1;\
+	 fi;\
+	 rm report.$$$$
+
+
 clean-local:
 	rm -rf manual
 
-- 
2.45.2