diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 75cb49b..2fab4c5 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -505,7 +505,8 @@ Objective-C and Objective-C++ Dialects}. @item C and Objective-C-only Warning Options @gccoptlist{-Wbad-function-cast -Wmissing-declarations --Wmissing-parameter-type -Wmissing-prototypes -Wmissing-variable-declarations +-Wmissing-parameter-type -Wdeclaration-missing-parameter-type +-Wmissing-prototypes -Wmissing-variable-declarations -Wnested-externs -Wold-style-declaration -Wold-style-definition -Wstrict-prototypes -Wtraditional -Wtraditional-conversion -Wdeclaration-after-statement -Wpointer-sign} @@ -6184,6 +6185,7 @@ only by this flag, but it also downgrades some C and C++ diagnostics that have their own flag: @gccoptlist{ +-Wdeclaration-missing-parameter-type @r{(C and Objective-C only)} -Wimplicit-function-declaration @r{(C and Objective-C only)} -Wimplicit-int @r{(C and Objective-C only)} -Wincompatible-pointer-types @r{(C and Objective-C only)} @@ -9758,6 +9760,20 @@ void foo(bar) @{ @} This warning is also enabled by @option{-Wextra}. +@opindex Wno-declaration-missing-parameter-type +@opindex Wdeclaration-missing-parameter-type +@item -Wno-declaration-missing-parameter-type @r{(C and Objective-C only)} +Do not warn if a function declaration contains a parameter name without +a type. Such function declarations do not provide a function prototype +and prevent most type checking in function calls. + +This warning is enabled by default. In C99 and later dialects of C, it +is treated as an error. The error can be downgraded to a warning using +@option{-fpermissive} (along with certain other errors), or for this +error alone, with @option{-Wno-error=declaration-missing-parameter-type}. + +This warning is upgraded to an error by @option{-pedantic-errors}. + @opindex Wmissing-prototypes @opindex Wno-missing-prototypes @item -Wmissing-prototypes @r{(C and Objective-C only)} |