PR 28322
* toplev.c (toplev_main): If there are warnings or error, print
errors for ignored options.
* opts.c (ignored_options): New static variable.
(postpone_unknown_option_error): New.
(print_ignored_options): New.
(handle_option): Postpone errors for unknown -Wno-* options.
* opts.h (print_ignored_options): Declare.
testsuite/
* gcc.dg/pr28322.c: New.
* gcc.dg/pr28322-2.c: New.
* lib/prune.exp: Ignore "At top level" even if there is no ':'
preceding it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@132648
138bc75d-0d04-0410-961f-
82ee72b054a4
+2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR 28322
+ * toplev.c (toplev_main): If there are warnings or error, print
+ errors for ignored options.
+ * opts.c (ignored_options): New static variable.
+ (postpone_unknown_option_error): New.
+ (print_ignored_options): New.
+ (handle_option): Postpone errors for unknown -Wno-* options.
+ * opts.h (print_ignored_options): Declare.
+
2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
* config/mips/mips.md (loadgp_blockage, blockage): Change type
static VEC(char_p,heap) *flag_instrument_functions_exclude_functions;
static VEC(char_p,heap) *flag_instrument_functions_exclude_files;
+typedef const char *const_char_p; /* For DEF_VEC_P. */
+DEF_VEC_P(const_char_p);
+DEF_VEC_ALLOC_P(const_char_p,heap);
+
+static VEC(const_char_p,heap) *ignored_options;
+
/* Input file names. */
const char **in_fnames;
unsigned num_in_fnames;
free (bad_lang);
}
+/* Buffer the unknown option described by the string OPT. Currently,
+ we only complain about unknown -Wno-* options if they may have
+ prevented a diagnostic. Otherwise, we just ignore them. */
+
+static void postpone_unknown_option_error(const char *opt)
+{
+ VEC_safe_push (const_char_p, heap, ignored_options, opt);
+}
+
+/* Produce an error for each option previously buffered. */
+
+void print_ignored_options (void)
+{
+ location_t saved_loc = input_location;
+
+ input_location = 0;
+
+ while (!VEC_empty (const_char_p, ignored_options))
+ {
+ const char *opt;
+ opt = VEC_pop (const_char_p, ignored_options);
+ error ("unrecognized command line option \"%s\"", opt);
+ }
+
+ input_location = saved_loc;
+}
+
/* Handle the switch beginning at ARGV for the language indicated by
LANG_MASK. Returns the number of switches consumed. */
static unsigned int
opt = dup;
value = 0;
opt_index = find_opt (opt + 1, lang_mask | CL_COMMON | CL_TARGET);
+ if (opt_index == cl_options_count)
+ {
+ /* We don't generate errors for unknown -Wno-* options
+ unless we issue diagnostics. */
+ postpone_unknown_option_error (argv[0]);
+ result = 1;
+ goto done;
+ }
}
if (opt_index == cl_options_count)
extern void enable_warning_as_error (const char *arg, int value,
unsigned int lang_mask);
+extern void print_ignored_options (void);
#endif
+2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR 28322
+ * gcc.dg/pr28322.c: New.
+ * gcc.dg/pr28322-2.c: New.
+ * lib/prune.exp: Ignore "At top level" even if there is no ':'
+ preceding it.
+
2008-02-25 Paolo Carlini <pcarlini@suse.de>
PR c++/35333
--- /dev/null
+/* PR28322: ignore unknown -Wno-* if no warning is emitted. */
+/* { dg-do compile } */
+/* { dg-options "-Wall -Wextra -Wno-foobar" } */
+
+int foo (void)
+{
+ int i = 1/0; /* { dg-warning "division by zero" } */
+ return i;
+}
+
+/* { dg-message "unrecognized command line option .-Wno-foobar." "" { target *-*-* } 0 } */
+
--- /dev/null
+/* PR28322: ignore unknown -Wno-* if no warning is emitted. */
+/* { dg-do compile } */
+/* { dg-options " -Wno-foobar -Wno-div-by-zero" } */
+
+void foo(void)
+{
+ int i = 1/0;
+}
#send_user "Before:$text\n"
regsub -all "(^|\n)(\[^\n\]*: )?In ((static member )?function|member|method|(copy )?constructor|destructor|instantiation|program|subroutine|block-data) \[^\n\]*" $text "" text
- regsub -all "(^|\n)\[^\n\]*: At (top level|global scope):\[^\n\]*" $text "" text
+ regsub -all "(^|\n)\[^\n\]*(: )?At (top level|global scope):\[^\n\]*" $text "" text
regsub -all "(^|\n)\[^\n\]*: instantiated from \[^\n\]*" $text "" text
regsub -all "(^|\n) inlined from \[^\n\]*" $text "" text
regsub -all "(^|\n)collect2: ld returned \[^\n\]*" $text "" text
if (!exit_after_options)
do_compile ();
+ if (warningcount || errorcount)
+ print_ignored_options ();
+
if (errorcount || sorrycount)
return (FATAL_EXIT_CODE);