From: Kenneth Graunke <kenneth@whitecape.org>
Date: Mon, 21 Jun 2010 22:15:34 +0000 (-0700)
Subject: glcpp: Fix "dangerous trailing context" warning.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=12a820c9d84cec0e2f36d9571ca841499b67eac4;p=mesa.git

glcpp: Fix "dangerous trailing context" warning.

Flex couldn't be sure whether "def" and "ndef" were part of the #ifdef
and #ifndef patterns or the trailing context of the #if pattern.
---

diff --git a/glcpp/glcpp-lex.l b/glcpp/glcpp-lex.l
index fabe7566030..afddd7ddb32 100644
--- a/glcpp/glcpp-lex.l
+++ b/glcpp/glcpp-lex.l
@@ -97,7 +97,7 @@ HEXADECIMAL_INTEGER	0[xX][0-9a-fA-F]+[uU]?
 	return HASH_IFNDEF;
 }
 
-{HASH}if/.*\n {
+{HASH}if{HSPACE}/.*\n {
 	yyextra->lexing_if = 1;
 	yyextra->space_tokens = 0;
 	return HASH_IF;