From 618cdda7f07c46b4e6e76ed1c0947cc9bf6a77f1 Mon Sep 17 00:00:00 2001 From: Neil Booth Date: Sun, 25 Feb 2001 09:43:03 +0000 Subject: cppinit.c (builtin_array): Update. * cppinit.c (builtin_array): Update. (init_builtins): Flag builtins to warn if redefined or undefined. Define __GXX_WEAK as a normal macro. * cpplib.c (do_undef): Warn if flagged NODE_WARN. * cpplib.h (NODE_WARN): New flag. * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__. Handle __STDC__ as a builtin only on Solaris. (warn_of_redefinition): Renamed from check_macro_definition. Reverse sense of test. Always warn if NODE_WARN. (_cpp_create_definition): Use warn_of_redefinition. Flag any macro beginning with "__STDC_" to require a mandatory warning if redefined or undefined. From-SVN: r40053 --- gcc/cpplib.h | 1 + 1 file changed, 1 insertion(+) (limited to 'gcc/cpplib.h') diff --git a/gcc/cpplib.h b/gcc/cpplib.h index 2b7a99da6ce..099379285a7 100644 --- a/gcc/cpplib.h +++ b/gcc/cpplib.h @@ -444,6 +444,7 @@ enum cpp_buffer_type {BUF_FAKE, BUF_FILE, BUF_BUILTIN, #define NODE_POISONED (1 << 1) /* Poisoned identifier. */ #define NODE_BUILTIN (1 << 2) /* Builtin macro. */ #define NODE_DIAGNOSTIC (1 << 3) /* Possible diagnostic when lexed. */ +#define NODE_WARN (1 << 4) /* Warn if redefined or undefined. */ /* Different flavors of hash node. */ enum node_type -- cgit v1.2.1