diff options
Diffstat (limited to 'gcc/invoke.texi')
| -rw-r--r-- | gcc/invoke.texi | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/gcc/invoke.texi b/gcc/invoke.texi index 6751d87..970cbc9 100644 --- a/gcc/invoke.texi +++ b/gcc/invoke.texi @@ -108,7 +108,7 @@ in the following sections. -fname-mangling-version-@var{n} -fno-default-inline -fno-gnu-keywords -fnonnull-objects -fguiding-decls -foperator-names -fno-optional-diags -fstrict-prototype -fthis-is-variable --ftemplate-depth-@var{n} -nostdinc++ -traditional +e@var{n} +-ftemplate-depth-@var{n} -fdiag-codes -nostdinc++ -traditional +e@var{n} @end smallexample @item Warning Options @@ -129,7 +129,7 @@ in the following sections. -Wreturn-type -Wshadow -Wsign-compare -Wstrict-prototypes -Wswitch -Wsynth -Wtemplate-debugging -Wtraditional -Wtrigraphs -Wundef -Wuninitialized -Wunused -Wwrite-strings --Wunknown-pragmas +-Wunknown-pragmas -Wnumber-@var{n} @end smallexample @item Debugging Options @@ -1165,6 +1165,19 @@ A limit on the template instantiation depth is needed to detect endless recursions during template class instantiation. ANSI/ISO C++ conforming programs must not rely on a maximum depth greater than 17. +@item -fdiag-codes +When printing a diagnostic, also print the corresponding diagnostic +code. The code is printed in square brackets, before the message +itself. For example, you might see something like: + +@smallexample +test.C:3: warning: [62] all member functions in class `C' are private +@end smallexample + +which indicates that this is warning number 62. Some diagnostics do not +(yet) have corresponding code numbers. This option is useful in +conjuction with @samp{-Wnumber-@var{n}}. + @item -nostdinc++ Do not search for header files in the standard directories specific to C++, but do still search the other standard directories. (This option @@ -1189,6 +1202,7 @@ Do not assume @samp{inline} for functions defined inside a class scope. @item -Wold-style-cast @itemx -Woverloaded-virtual @itemx -Wtemplate-debugging +@itemx -Wnumber-@var{n} Warnings that apply only to C++ programs. @xref{Warning Options,,Options to Request or Suppress Warnings}. @@ -1697,6 +1711,11 @@ conformant compiler code but disables the helpful warning. Warn if a function can not be inlined, and either it was declared as inline, or else the @samp{-finline-functions} option was given. +@item -Wnumber-@var{n} (C++ only) +Enable warning number @var{n}. (Or, more often, with +@samp{-Wno-number-@var{n}}, disable that warning.) To obtain the +appropriate numbers, use @samp{-fdiag-codes}. + @item -Wold-style-cast Warn if an old-style (C-style) cast is used within a program. |