Re: [PATCH] libgcov: Call __builtin_fork instead of fork

[Jakub Jelinek <jakub@redhat.com>]

On Sat, Dec 02, 2023 at 01:43:22PM +0100, Florian Weimer wrote:
> Some targets do not provide a prototype for fork, and compilation now
> fails with an implicit-function-declaration error.
> 
> libgcc/
> 
> 	* libgcov-interface.c (__gcov_fork):

Description missing (Use __builtin_fork instead of fork.).

Ok with that change.
> 
> Generated code is the same on x86_64-linux-gnu.  Okay for trunk?
> 
> Thanks,
> Florian
> ---
>  libgcc/libgcov-interface.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/libgcc/libgcov-interface.c b/libgcc/libgcov-interface.c
> index b2ee9308641..d166e98510d 100644
> --- a/libgcc/libgcov-interface.c
> +++ b/libgcc/libgcov-interface.c
> @@ -182,7 +182,7 @@ pid_t
>  __gcov_fork (void)
>  {
>    pid_t pid;
> -  pid = fork ();
> +  pid = __builtin_fork ();
>    if (pid == 0)
>      {
>        __GTHREAD_MUTEX_INIT_FUNCTION (&__gcov_mx);
> 
> base-commit: 193ef02a7f4f3e5349ad9cf8d3d4df466a99b677

	Jakub