From 977cc2e1187de3448a4a5f9903879def4a6296a3 Mon Sep 17 00:00:00 2001 From: Richard Kenner Date: Sun, 13 Apr 1997 12:47:14 -0400 Subject: [PATCH] Formerly cpp.texi.~30~ From-SVN: r13873 --- gcc/cpp.texi | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/gcc/cpp.texi b/gcc/cpp.texi index c3164b97b02..b8961db8cde 100644 --- a/gcc/cpp.texi +++ b/gcc/cpp.texi @@ -2630,13 +2630,17 @@ comment, or whenever a Backslash-Newline appears in a @samp{//} comment. @item -Wall @findex -Wall Requests both @samp{-Wtrigraphs} and @samp{-Wcomment} (but not -@samp{-Wtraditional}). +@samp{-Wtraditional} or @samp{-Wundef}). @item -Wtraditional @findex -Wtraditional Warn about certain constructs that behave differently in traditional and ANSI C@. +@item -Wundef +@findex -Wundef +Warn if an undefined identifier is evaluated in an @samp{#if} directive. + @item -I @var{directory} @findex -I Add the directory @var{directory} to the head of the list of -- 2.30.2