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| author | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2006-12-23 17:45:33 +0000 |
|---|---|---|
| committer | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2006-12-23 17:45:33 +0000 |
| commit | cb4af25a807a42bcc9ddb200dc65b51fb74986e3 (patch) | |
| tree | 4354a6aa46114e214eb3cb70143984a28edef5aa /gcc/doc/invoke.texi | |
| parent | ea049a41992eb3d97ab7da175f0a98fbbdf68f35 (diff) | |
| download | gcc-cb4af25a807a42bcc9ddb200dc65b51fb74986e3.zip gcc-cb4af25a807a42bcc9ddb200dc65b51fb74986e3.tar.gz gcc-cb4af25a807a42bcc9ddb200dc65b51fb74986e3.tar.bz2 | |
re PR middle-end/7651 (Define -Wextra strictly in terms of other warning flags)
2006-12-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR middle-end/7651
* c.opt (Wmissing-parameter-type): New.
* doc/invoke.texi (Wmissing-parameter-type): Document it.
(Wextra): Enabled by -Wextra.
* c-opts.c (c_common_post_options): Enabled by -Wextra.
* c-decl.c (store_parm_decls_oldstyle): Replace Wextra with
Wmissing-parameter-type.
testsuite/
* gcc.dg/Wmissing-parameter-type.c: New.
* gcc.dg/Wmissing-parameter-type-Wextra.c: New.
* gcc.dg/Wmissing-parameter-type-no.c: New.
From-SVN: r120173
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 63f22f2..4fc0966 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -256,7 +256,8 @@ Objective-C and Objective-C++ Dialects}. @item C-only Warning Options @gccoptlist{-Wbad-function-cast -Wmissing-declarations @gol --Wmissing-prototypes -Wnested-externs -Wold-style-definition @gol +-Wmissing-parameter-type -Wmissing-prototypes @gol +-Wnested-externs -Wold-style-definition @gol -Wstrict-prototypes -Wtraditional -Wtraditional-conversion @gol -Wdeclaration-after-statement -Wpointer-sign} @@ -2908,13 +2909,10 @@ designated initializers (@pxref{Designated Inits, , Designated Initializers}). This warning can be independently controlled by @option{-Woverride-init}. -@item +@item @r{(C only)} A function parameter is declared without a type specifier in K&R-style -functions: - -@smallexample -void foo(bar) @{ @} -@end smallexample +functions. This warning can be independently controlled by +@option{-Wmissing-parameter-type}. @item An empty body occurs in an @samp{if} or @samp{else} statement. This @@ -3221,6 +3219,17 @@ types.) Warn if an old-style function definition is used. A warning is given even if there is a previous prototype. +@item -Wmissing-parameter-type @r{(C only)} +@opindex Wmissing-parameter-type +A function parameter is declared without a type specifier in K&R-style +functions: + +@smallexample +void foo(bar) @{ @} +@end smallexample + +This warning is also enabled by @option{-Wextra}. + @item -Wmissing-prototypes @r{(C only)} @opindex Wmissing-prototypes Warn if a global function is defined without a previous prototype |