* c-typeck.c (build_binary_op): Warn about comparing signed vs
unsigned if -W is specified and -Wno-sign-compare is not.
* c-decl.c (warn_sign_compare): Initialize to -1.
(c_decode_option): -Wall no longer implies -Wsign-compare.
From-SVN: r15739
+Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
+
+ * c-typeck.c (build_binary_op): Warn about comparing signed vs
+ unsigned if -W is specified and -Wno-sign-compare is not.
+ * c-decl.c (warn_sign_compare): Initialize to -1.
+ (c_decode_option): -Wall no longer implies -Wsign-compare.
+
Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* integrate.c (expand_inline_function): Make sure there is at
int warn_main;
-/* Warn about comparison of signed and unsigned values. */
+/* Warn about comparison of signed and unsigned values.
+ If -1, neither -Wsign-compare nor -Wno-sign-compare has been specified. */
-int warn_sign_compare;
+int warn_sign_compare = -1;
/* Nonzero means `$' can be in an identifier. */
warn_char_subscripts = 1;
warn_parentheses = 1;
warn_missing_braces = 1;
- warn_sign_compare = 1;
/* We set this to 2 here, but 1 in -Wmain, so -ffreestanding can turn
it off only if it's not explicit. */
warn_main = 2;
converted = 1;
resultcode = xresultcode;
- if (warn_sign_compare && skip_evaluation == 0)
+ if ((warn_sign_compare < 0 ? extra_warnings : warn_sign_compare != 0)
+ && skip_evaluation == 0)
{
int op0_signed = ! TREE_UNSIGNED (TREE_TYPE (orig_op0));
int op1_signed = ! TREE_UNSIGNED (TREE_TYPE (orig_op1));