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| author | Jason Merrill <merrill@gnu.org> | 1996-02-19 10:22:57 +0000 |
|---|---|---|
| committer | Jason Merrill <merrill@gnu.org> | 1996-02-19 10:22:57 +0000 |
| commit | d51f93635dca0c4d50238f50a9f68d55ad14ac7c (patch) | |
| tree | 405d2d0ed4282f3b10baf257836669f8681509e6 | |
| parent | d669f5da3c4c5c74f5a55d3c81c795b44aa877aa (diff) | |
| download | gcc-d51f93635dca0c4d50238f50a9f68d55ad14ac7c.zip gcc-d51f93635dca0c4d50238f50a9f68d55ad14ac7c.tar.gz gcc-d51f93635dca0c4d50238f50a9f68d55ad14ac7c.tar.bz2 | |
warn_sign_compare
From-SVN: r11298
| -rw-r--r-- | gcc/c-decl.c | 9 | ||||
| -rw-r--r-- | gcc/c-tree.h | 4 | ||||
| -rw-r--r-- | gcc/toplev.c | 2 |
3 files changed, 15 insertions, 0 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index f28b026..65dfa01 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -541,6 +541,10 @@ int warn_parentheses; int warn_missing_braces; +/* Warn about comparison of signed and unsigned values. */ + +int warn_sign_compare; + /* Nonzero means `$' can be in an identifier. See cccp.c for reasons why this breaks some obscure ANSI C programs. */ @@ -711,6 +715,10 @@ c_decode_option (p) warn_missing_braces = 1; else if (!strcmp (p, "-Wno-missing-braces")) warn_missing_braces = 0; + else if (!strcmp (p, "-Wsign-compare")) + warn_sign_compare = 1; + else if (!strcmp (p, "-Wno-sign-compare")) + warn_sign_compare = 0; else if (!strcmp (p, "-Wall")) { /* We save the value of warn_uninitialized, since if they put @@ -726,6 +734,7 @@ c_decode_option (p) warn_char_subscripts = 1; warn_parentheses = 1; warn_missing_braces = 1; + warn_sign_compare = 1; } else return 0; diff --git a/gcc/c-tree.h b/gcc/c-tree.h index bb90048..4538f4b 100644 --- a/gcc/c-tree.h +++ b/gcc/c-tree.h @@ -477,6 +477,10 @@ extern int warn_parentheses; extern int warn_missing_braces; +/* Warn about comparison of signed and unsigned values. */ + +int warn_sign_compare; + /* Nonzero means this is a function to call to perform comptypes on two record types. */ diff --git a/gcc/toplev.c b/gcc/toplev.c index 4690f16..052f703 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -639,6 +639,8 @@ char *lang_options[] = "-Wno-pointer-arith", "-Wredundant-decls", "-Wno-redundant-decls", + "-Wsign-compare", + "-Wno-sign-compare", "-Wstrict-prototypes", "-Wno-strict-prototypes", "-Wtraditional", |