diff options
Diffstat (limited to 'src/conf_post.h')
| -rw-r--r-- | src/conf_post.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/conf_post.h b/src/conf_post.h index 762aa7727f..1dd915b596 100644 --- a/src/conf_post.h +++ b/src/conf_post.h @@ -357,11 +357,21 @@ extern int emacs_setenv_TZ (char const *); # define FLEXIBLE_ARRAY_MEMBER #endif -/* Use CODE only if lint checking is in effect. */ +/* When used in place of 'volatile', 'NONVOLATILE' is equivalent to nothing, + except it cajoles GCC into not warning incorrectly that a variable needs to + be volatile. This works around GCC bug 54561. */ #if defined GCC_LINT || defined lint -# define IF_LINT(Code) Code +# define NONVOLATILE volatile #else -# define IF_LINT(Code) /* empty */ +# define NONVOLATILE /* empty */ +#endif + +/* 'int x UNINIT;' is equivalent to 'int x;', except it cajoles GCC + into not warning incorrectly about use of an uninitialized variable. */ +#if defined GCC_LINT || defined lint +# define UNINIT = {0,} +#else +# define UNINIT /* empty */ #endif /* conf_post.h ends here */ |