Index: invoke.texi =================================================================== --- invoke.texi (revision 123170) +++ invoke.texi (working copy) @@ -1100,43 +1100,48 @@ @item --help=@var{class}@r{[},@var{qualifier}@r{]} Print (on the standard output) a description of the command line options understood by the compiler that fit into a specific class. -The class can be one of @var{optimizers}, @var{warnings}, @var{target} -or @var{params}: +The class can be one of @samp{optimizers}, @samp{warnings}, @samp{target}, +@samp{params}, or @var{language}: -@table @gcctabopt -@item @var{optimizers} +@table @asis +@item @samp{optimizers} This will display all of the optimization options supported by the compiler. -@item @var{warnings} +@item @samp{warnings} This will display all of the options controlling warning messages produced by the compiler. -@item @var{target} +@item @samp{target} This will display target-specific options. Unlike the @option{--target-help} option however, target-specific options of the linker and assembler will not be displayed. This is because those tools do not currently support the extended @option{--help=} syntax. -@item @var{params} +@item @samp{params} This will display the values recognized by the @option{--param} option. + +@item @var{language} +This will display the options supported for @var{language}, where +@var{language} is the name of one of the languages supported in this +version of GCC. @end table It is possible to further refine the output of the @option{--help=} option by adding a comma separated list of qualifiers after the class. These can be any from the following list: -@table @gcctabopt -@item undocumented +@table @asis +@item @samp{undocumented} Display only those options which are undocumented. -@item joined +@item @samp{joined} Display options which take an argument that appears after an equal sign in the same continuous piece of text, such as: @samp{--help=target}. -@item separate +@item @samp{separate} Display options which take an argument that appears as a separate word following the original option, such as: @samp{-o output-file}. @end table