From cb4af25a807a42bcc9ddb200dc65b51fb74986e3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Manuel=20L=C3=B3pez-Ib=C3=A1=C3=B1ez?= Date: Sat, 23 Dec 2006 17:45:33 +0000 Subject: re PR middle-end/7651 (Define -Wextra strictly in terms of other warning flags) 2006-12-23 Manuel Lopez-Ibanez 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 --- gcc/doc/invoke.texi | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-) (limited to 'gcc/doc') 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 -- cgit v1.1