From: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Date: Mon, 30 Mar 2009 05:55:57 +0000 (+0000)
Subject: optc-gen.awk: Warn if an option flag has multiple different help strings.
X-Git-Tag: releases/gcc-4.5.0~7041
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=40a1cfba7818100adbde7144be9f6515b9a6ed86;p=thirdparty%2Fgcc.git

optc-gen.awk: Warn if an option flag has multiple different help strings.

gcc/
	* optc-gen.awk: Warn if an option flag has multiple different
	help strings.

From-SVN: r145278
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f791327a7dfc..9cd947befffb 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	* optc-gen.awk: Warn if an option flag has multiple different
+	help strings.
+
 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
 
 	* doc/invoke.texi (-floop-interchange, -floop-strip-mine,
diff --git a/gcc/optc-gen.awk b/gcc/optc-gen.awk
index 3e644a571df9..2117150f4d1e 100644
--- a/gcc/optc-gen.awk
+++ b/gcc/optc-gen.awk
@@ -149,6 +149,10 @@ for (i = 0; i < n_opts; i++) {
 		flags[i + 1] = flags[i] " " flags[i + 1];
 		if (help[i + 1] == "")
 			help[i + 1] = help[i]
+		else if (help[i] != "" && help[i + 1] != help[i])
+			print "warning: multiple different help strings for " \
+				opts[i] ":\n\t" help[i] "\n\t" help[i + 1] \
+				| "cat 1>&2"
 		i++;
 		back_chain[i] = "N_OPTS";
 		indices[opts[i]] = j;