diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 629e4a9..924c121 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -1,5 +1,5 @@ @c Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, -@c 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. +@c 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. @c This is part of the GCC manual. @c For copying conditions, see the file gcc.texi. @@ -226,7 +226,7 @@ Objective-C and Objective-C++ Dialects}. -Wc++-compat -Wcast-align -Wcast-qual -Wchar-subscripts -Wcomment @gol -Wconversion -Wno-deprecated-declarations @gol -Wdisabled-optimization -Wno-div-by-zero -Wno-endif-labels @gol --Werror -Werror-implicit-function-declaration @gol +-Werror -Werror-* -Werror-implicit-function-declaration @gol -Wfatal-errors -Wfloat-equal -Wformat -Wformat=2 @gol -Wno-format-extra-args -Wformat-nonliteral @gol -Wformat-security -Wformat-y2k @gol @@ -3411,6 +3411,22 @@ This option is only supported for C and Objective-C@. @opindex Werror Make all warnings into errors. +@item -Werror= +@opindex Werror= +Make the specified warning into an errors. The specifier for a +warning is appended, for example @option{-Werror=switch} turns the +warnings controlled by @option{-Wswitch} into errors. This switch +takes a negative form, to be used to negate @option{-Werror} for +specific warnings, for example @option{-Wno-error=switch} makes +@option{-Wswitch} warnings not be errors, even when @option{-Werror} +is in effect. You can use the @option{-fdiagnostics-show-option} +option to have each controllable warning amended with the option which +controls it, to determine what to use with this option. + +Note that specifying @option{-Werror=}@var{foo} automatically implies +@option{-W}@var{foo}. However, @option{-Wno-error=}@var{foo} does not +imply anything. + @item -Wstack-protector @opindex Wstack-protector This option is only active when @option{-fstack-protector} is active. It |