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invoke.texi (-fdiagnostics-show-option): Replace with...

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2011-03-13  Chris Demetriou  <cgd@google.com>

        * doc/invoke.texi (-fdiagnostics-show-option): Replace with...
        (-fno-diagnostics-show-option): this, to reflect current default.
        (-Werror=): Update text about -fno-diagnostics-show-option.

From-SVN: r170921
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Chris Demetriou 2011-03-12 23:38:22 -08:00 • committed by Chris Demetriou
parent 12b1c80b30
commit bb3220188f
2 changed files with 20 additions and 9 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2011-03-13 Chris Demetriou <cgd@google.com>
* doc/invoke.texi (-fdiagnostics-show-option): Replace with...
(-fno-diagnostics-show-option): this, to reflect current default.
(-Werror=): Update text about -fno-diagnostics-show-option.
2011-03-12 Peter Bergner <bergner@vnet.ibm.com>
PR target/48053

23
gcc/doc/invoke.texi
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@ -227,7 +227,7 @@ Objective-C and Objective-C++ Dialects}.
@xref{Language Independent Options,,Options to Control Diagnostic Messages Formatting}.
@gccoptlist{-fmessage-length=@var{n} @gol
-fdiagnostics-show-location=@r{[}once@r{|}every-line@r{]} @gol
-fdiagnostics-show-option}
-fno-diagnostics-show-option}
@item Warning Options
@xref{Warning Options,,Options to Request or Suppress Warnings}.
@ -2771,12 +2771,13 @@ messages reporter to emit the same source location information (as
prefix) for physical lines that result from the process of breaking
a message which is too long to fit on a single line.
@item -fdiagnostics-show-option
@item -fno-diagnostics-show-option
@opindex fno-diagnostics-show-option
@opindex fdiagnostics-show-option
This option instructs the diagnostic machinery to add text to each
diagnostic emitted, which indicates which command line option directly
controls that diagnostic, when such an option is known to the
diagnostic machinery.
By default, each diagnostic emitted includes text which indicates the
command line option that directly controls the diagnostic (if such an
option is known to the diagnostic machinery). Specifying the
@option{-fno-diagnostics-show-option} flag suppresses that behavior.
@item -Wcoverage-mismatch
@opindex Wcoverage-mismatch
@ -2842,9 +2843,13 @@ 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.
is in effect.
The warning message for each controllable warning includes the
option which controls the warning. That option can then be used with
@option{-Werror=} and @option{-Wno-error=} as described above.
(Printing of the option in the warning message can be disabled using the
@option{-fno-diagnostics-show-option} flag.)
Note that specifying @option{-Werror=}@var{foo} automatically implies
@option{-W}@var{foo}. However, @option{-Wno-error=}@var{foo} does not