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authorNeil Booth <neil@daikokuya.demon.co.uk>2001-02-25 09:43:03 +0000
committerNeil Booth <neil@gcc.gnu.org>2001-02-25 09:43:03 +0000
commit618cdda7f07c46b4e6e76ed1c0947cc9bf6a77f1 (patch)
tree9b8fa1374187361bdd59562c00a312f85f75d707 /gcc/cpplib.h
parentf5500e44c001be600e34e1191445a8e704b58c82 (diff)
downloadgcc-618cdda7f07c46b4e6e76ed1c0947cc9bf6a77f1.tar.gz
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
Diffstat (limited to 'gcc/cpplib.h')
-rw-r--r--gcc/cpplib.h1
1 files changed, 1 insertions, 0 deletions
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