On Wed, 2008-05-21 at 21:06 +0200, Sam Ravnborg wrote:
> It was discussed to add some run-time checks for this issue.
> But the examples given were a bit fluffy so I never integrated
> anything
> i kbuild to detect this.
>
> As this is only a bug for const weak functions they could be made
> non-const
> if they are seldomly used?
With the asm("") trick ?
I suppose, but I'm also happy to just reject the bad gcc...
It shouldn't be too hard to do a test case made of 2 files.
test_foo.c
int foo(void)
{
printf("good\n");
}
test_bar.c
int foo(void) __weak
{
}
int main(void)
{
foo();
return 0;
}
And check for "good" in the output of said program..
Can somebody test that ? Luke, you have a broken compiler, can you make
up some test that could be integrated in the kernel build system
easily ?
(I'm travelling right now, no time to play much with it myself).
Cheers,
Ben.
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