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c-decl.c (duplicate_decls, [...]): Restrict -Wtraditional warnings to user code.

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* c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
	warnings to user code.

	* c-lex.c (readescape, yylex): Likewise.

	* c-typeck.c (store_init_value, process_init_element): Likewise
	(c_expand_start_case): Format.

From-SVN: r35845
This commit is contained in:
Kaveh R. Ghazi 2000-08-21 14:54:28 +00:00 committed by Kaveh Ghazi
parent 120dc6cd25
commit cde6e6843d
4 changed files with 18 additions and 9 deletions
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10
gcc/ChangeLog
View File

@ -1,3 +1,13 @@
2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
warnings to user code.
* c-lex.c (readescape, yylex): Likewise.
* c-typeck.c (store_init_value, process_init_element): Likewise
(c_expand_start_case): Format.
2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
* mips/linux.h (LINK_SPEC): Use %(endian_spec).

4
gcc/c-decl.c
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@ -1760,7 +1760,7 @@ duplicate_decls (newdecl, olddecl, different_binding_level)
/* If warn_traditional, warn when a non-static function
declaration follows a static one. */
if (warn_traditional
if (warn_traditional && !in_system_header
&& TREE_CODE (olddecl) == FUNCTION_DECL
&& !TREE_PUBLIC (olddecl)
&& TREE_PUBLIC (newdecl))
@ -2751,7 +2751,7 @@ define_label (filename, line, name)
decl = lookup_label (name);
}
if (warn_traditional && lookup_name (name))
if (warn_traditional && !in_system_header && lookup_name (name))
warning ("traditional C lacks a separate namespace for labels, identifier `%s' conflicts",
IDENTIFIER_POINTER (name));

6
gcc/c-lex.c
View File

@ -902,7 +902,7 @@ readescape (ignore_ptr)
switch (c)
{
case 'x':
if (warn_traditional)
if (warn_traditional && !in_system_header)
warning ("the meaning of `\\x' varies with -traditional");
if (flag_traditional)
@ -987,7 +987,7 @@ readescape (ignore_ptr)
return TARGET_BS;
case 'a':
if (warn_traditional)
if (warn_traditional && !in_system_header)
warning ("the meaning of `\\a' varies with -traditional");
if (flag_traditional)
@ -1912,7 +1912,7 @@ yylex ()
/* We assume that constants specified in a non-decimal
base are bit patterns, and that the programmer really
meant what they wrote. */
if (warn_traditional && base == 10
if (warn_traditional && !in_system_header && base == 10
&& traditional_type != ansi_type)
{
if (TYPE_PRECISION (traditional_type)

7
gcc/c-typeck.c
View File

@ -4396,7 +4396,7 @@ store_init_value (decl, init)
}
#endif
if (warn_traditional
if (warn_traditional && !in_system_header
&& AGGREGATE_TYPE_P (TREE_TYPE (decl)) && ! TREE_STATIC (decl))
warning ("traditional C rejects automatic aggregate initialization");
@ -6400,7 +6400,7 @@ process_init_element (value)
code appears conditioned on e.g. __STDC__ to avoid
"missing initializer" warnings and relies on default
initialization to zero in the traditional C case. */
if (warn_traditional && !integer_zerop (value))
if (warn_traditional && !in_system_header && !integer_zerop (value))
warning ("traditional C rejects initialization of unions");
/* Accept a string constant to initialize a subarray. */
@ -6739,8 +6739,7 @@ c_expand_start_case (exp)
tree index;
type = TYPE_MAIN_VARIANT (TREE_TYPE (exp));
if (warn_traditional
&& ! in_system_header
if (warn_traditional && !in_system_header
&& (type == long_integer_type_node
|| type == long_unsigned_type_node))
warning ("`long' switch expression not converted to `int' in ISO C");