On 10-Mar-06, 20:47 (CST), David Mosberger-Tang <[EMAIL PROTECTED]> wrote:
> The problem with gcc-4.0 warnings is that you can't
> distinguish between harmless implicit function declarations and ones
> that need to be flagged.
Fix them all. There's no excuse for missing prototypes: they're trivi
On 12-Mar-06, 04:22 (CST), Bastian Blank <[EMAIL PROTECTED]> wrote:
> On Sat, Mar 11, 2006 at 01:43:34AM +0100, Samuel Thibault wrote:
> > This is a warning and not an error, because using one's own strdup()
> > function (that would take ints) is perfectly legal.
>
> No, it is not. At least not w
On Sun, Mar 12, 2006 at 09:20:13PM +0100, Samuel Thibault wrote:
> Matthew R. Dempsky, le Sun 12 Mar 2006 14:09:54 -0600, a écrit :
> > gcc has the -fno-builtin and -fno-builtin-FUNCTION options.
>
> Or better, -fno-hosted and -fhosted...
What makes those options better in this situation?
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T
On Sun, Mar 12, 2006 at 02:09:54PM -0600, Matthew R. Dempsky wrote:
> gcc has the -fno-builtin and -fno-builtin-FUNCTION options.
Which does not change the state of a hosted compiler.
Bastian
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Matthew R. Dempsky, le Sun 12 Mar 2006 14:09:54 -0600, a écrit :
> On Sun, Mar 12, 2006 at 11:21:40AM +0100, Bastian Blank wrote:
> > On Sat, Mar 11, 2006 at 01:43:34AM +0100, Samuel Thibault wrote:
> > > This is a warning and not an error, because using one's own strdup()
> > > function (that woul
On Sun, Mar 12, 2006 at 11:21:40AM +0100, Bastian Blank wrote:
> On Sat, Mar 11, 2006 at 01:43:34AM +0100, Samuel Thibault wrote:
> > This is a warning and not an error, because using one's own strdup()
> > function (that would take ints) is perfectly legal.
>
> No, it is not. At least not with a
On 3/11/06, Samuel Thibault <[EMAIL PROTECTED]> wrote:
> This is a warning and not an error, because using one's own strdup()
Is there any reason not to add an explicit declaration (in any case)?
> function (that would take ints) is perfectly legal. gcc-4.0 emits the
> warning to let the programm
On Sat, Mar 11, 2006 at 01:43:34AM +0100, Samuel Thibault wrote:
> This is a warning and not an error, because using one's own strdup()
> function (that would take ints) is perfectly legal.
No, it is not. At least not with a compiler in hosted mode. In this
mode, the compiler is allowed to have an
Hi,
David Mosberger-Tang, le Fri 10 Mar 2006 19:47:10 -0700, a écrit :
> Its purposes is not to "grep for warnings" but instead to
> look for pairs of warnings that are *guaranteed* to cause crashes on
> 64-bit machines.
I did understand that. And my abs() example shows that gcc-4.0 doesn't
comp
Samuel,
You're missing the point of the check-implicit-pointer-functions
script. Its purposes is not to "grep for warnings" but instead to
look for pairs of warnings that are *guaranteed* to cause crashes on
64-bit machines. gcc -Wall normally spits out tons of spurious
warnings for 64-bit dirty
Samuel Thibault, le Sat 11 Mar 2006 01:43:34 +0100, a écrit :
> > $ gcc-3.3 -c -g -O -Wall t.c
> > t.c: In function `foo':
> > t.c:4: warning: implicit declaration of function `strdup'
> > t.c:4: warning: return makes pointer from integer without a cast
>
> Because strdup() here gets an implicit
>
David Mosberger-Tang, le Fri 10 Mar 2006 17:06:22 -0700, a écrit :
> I'm inclined to treat this as a gcc-4 bug.
It is not.
> $ cat t.c
> char *
> foo (char *str)
> {
> return strdup(str);
> }
> $ gcc-3.3 -c -g -O -Wall t.c
> t.c: In function `foo':
> t.c:4: warning: implicit declaration of func
I'm inclined to treat this as a gcc-4 bug. To witness:
$ cat t.c
char *
foo (char *str)
{
return strdup(str);
}
$ gcc-3.3 -c -g -O -Wall t.c
t.c: In function `foo':
t.c:4: warning: implicit declaration of function `strdup'
t.c:4: warning: return makes pointer from integer without a cast
gcc-4.0
dann frazier, le Fri 10 Mar 2006 15:46:58 -0700, a écrit :
> On Fri, 2006-03-10 at 00:30 +0100, [EMAIL PROTECTED] wrote:
> > Hi,
> >
> > Ah, good. But your script misses some warnings:
> >
> > oss.c:83: warning: incompatible implicit declaration of built-in function
> > 'strdu
> >
> > because o
On Fri, 2006-03-10 at 00:30 +0100, [EMAIL PROTECTED] wrote:
> Hi,
>
> Ah, good. But your script misses some warnings:
>
> oss.c:83: warning: incompatible implicit declaration of built-in function
> 'strdu
>
> because of "incompatible" and "built-in". Please fix ;)
Thanks Samuel,
Can you poin
Hi,
Ah, good. But your script misses some warnings:
oss.c:83: warning: incompatible implicit declaration of built-in function 'strdu
because of "incompatible" and "built-in". Please fix ;)
Regards,
Samuel
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