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errors: introduce the -Werror=CATEGORY option

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This new option is a lot more flexible than the previous one. Its
details will be discussed in the NEWS and info file, in a forthcoming
change.

If no category is specified (ie: used as simply "-Werror"), the
functionality is the same as before.

* src/complain.c (errors_flag): New variable.
(set_warning_issued): Accept warning categories as an argument.
* src/complain.h (Wall): Better definition.
* src/getargs.c (flags_argmatch): Support for the new format.
(usage): Update -Werror to -Werror[=CATEGORY] format.

* src/complain.c (errors_flag): New variable.
(set_warning_issued): Accept warning categories as an argument.
* src/complain.h (Wall): Better definition.
* src/getargs.c (flags_argmatch): Support for the new format.
(usage): Update -Werror to -Werror=[CATEGORY] format.

Signed-off-by: Akim Demaille <akim@lrde.epita.fr>
This commit is contained in:
Theophile Ranquet
2012-09-27 10:52:45 +00:00
committed by Akim Demaille
parent 11b192127c
commit 9503b0a4a8
4 changed files with 45 additions and 25 deletions
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10
src/complain.c
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@@ -32,6 +32,8 @@
warnings warnings_flag =
Wconflicts_sr | Wconflicts_rr | Wdeprecated | Wother;
warnings errors_flag;
bool complaint_issued;
static unsigned *indent_ptr = 0;
@@ -141,7 +143,7 @@ complains (const location *loc, warnings flags, const char *message,
}
else if (warnings_flag & Wyacc)
{
set_warning_issued ();
set_warning_issued (Wyacc);
error_message (loc, flags,
indent_ptr && *indent_ptr ? NULL : _("warning"),
message, args);
@@ -149,7 +151,7 @@ complains (const location *loc, warnings flags, const char *message,
}
else if (warnings_flag & flags)
{
set_warning_issued ();
set_warning_issued (flags);
error_message (loc, flags,
indent_ptr && *indent_ptr ? NULL : _("warning"),
message, args);
@@ -191,10 +193,10 @@ void complain_at_indent (location loc, warnings flags, unsigned *indent,
`--------------------------------*/
void
set_warning_issued (void)
set_warning_issued (warnings warning)
{
static bool warning_issued = false;
if (!warning_issued && (warnings_flag & Werror))
if (!warning_issued && (warning & warnings_flag & errors_flag))
{
fprintf (stderr, "%s: warnings being treated as errors\n", program_name);
complaint_issued = true;