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fixed -w option - doc update (thanx to Romain Francoise)

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bellard 2003-10-04 13:04:47 +00:00
parent 9c1106d854
commit c5ce5eaeda
2 changed files with 15 additions and 14 deletions
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11
tcc-doc.texi
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@ -181,7 +181,14 @@ Undefine preprocessor symbol @samp{sym}.
Warning options: Warning options:
Note: each warning option has a negative form beginning with @option{-Wno-}. @table @option
@item -w
Disable all warnings.
@end table
Note: each of the following warning options has a negative form beginning with
@option{-Wno-}.
@table @option @table @option
@item -Wunsupported @item -Wunsupported
@ -604,7 +611,7 @@ executable ELF files and dynamic ELF libraries without relying on an
external linker. external linker.
Dynamic ELF libraries can be output but the C compiler does not generate Dynamic ELF libraries can be output but the C compiler does not generate
position independent code (PIC). It means that the dynamic librairy position independent code (PIC). It means that the dynamic library
code generated by TCC cannot be factorized among processes yet. code generated by TCC cannot be factorized among processes yet.
TCC linker eliminates unreferenced object code in libraries. A single pass is TCC linker eliminates unreferenced object code in libraries. A single pass is

16
tcc.c
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@ -408,6 +408,7 @@ struct TCCState {
int warn_write_strings; int warn_write_strings;
int warn_unsupported; int warn_unsupported;
int warn_error; int warn_error;
int warn_none;
/* error handling */ /* error handling */
void *error_opaque; void *error_opaque;
@ -1238,6 +1239,9 @@ void warning(const char *fmt, ...)
TCCState *s1 = tcc_state; TCCState *s1 = tcc_state;
va_list ap; va_list ap;
if (s1->warn_none)
return;
va_start(ap, fmt); va_start(ap, fmt);
error1(s1, 1, fmt, ap); error1(s1, 1, fmt, ap);
va_end(ap); va_end(ap);
@ -9551,16 +9555,6 @@ int tcc_set_warning(TCCState *s, const char *warning_name, int value)
#if !defined(LIBTCC) #if !defined(LIBTCC)
static void tcc_reset_warnings(TCCState *s)
{
int i;
const WarningDef *p;
for(i = 0, p = warning_defs; i < countof(warning_defs); i++, p++) {
*(int *)((uint8_t *)s + p->offset) = 0;
}
}
/* extract the basename of a file */ /* extract the basename of a file */
static const char *tcc_basename(const char *name) static const char *tcc_basename(const char *name)
{ {
@ -9872,7 +9866,7 @@ int main(int argc, char **argv)
} }
break; break;
case TCC_OPTION_w: case TCC_OPTION_w:
tcc_reset_warnings(s); s->warn_none = 1;
break; break;
case TCC_OPTION_rdynamic: case TCC_OPTION_rdynamic:
s->rdynamic = 1; s->rdynamic = 1;