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-rw-r--r--scripts/kconfig/zconf.l11
1 files changed, 10 insertions, 1 deletions
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index 6c62d93b4..200a3fe30 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -122,6 +122,10 @@ n [A-Za-z0-9_]
"!" return T_NOT;
"=" return T_EQUAL;
"!=" return T_UNEQUAL;
+ "<=" return T_LESS_EQUAL;
+ ">=" return T_GREATER_EQUAL;
+ "<" return T_LESS;
+ ">" return T_GREATER;
\"|\' {
str = yytext[0];
new_string();
@@ -141,7 +145,12 @@ n [A-Za-z0-9_]
}
#.* /* comment */
\\\n current_file->lineno++;
- .
+ [[:blank:]]+
+ . {
+ fprintf(stderr,
+ "%s:%d:warning: ignoring unsupported character '%c'\n",
+ zconf_curname(), zconf_lineno(), *yytext);
+ }
<<EOF>> {
BEGIN(INITIAL);
}