[alsa-devel] [PATCH] Update iatomic.h functions definitions for mips

Jiashuo Kang jiashuo.kang at gmail.com
Mon Aug 19 04:18:17 CEST 2013


On Thu, Aug 15, 2013 at 5:17 PM, <jiashuo.kang at gmail.com> wrote:

> From: Kai Kang <jiashuo.kang at gmail.com>
>
> Functions atomic_add(s) and atomic_sub(s) are defined with 'extern
> __inline__' that may cause compile fails when cross compile for mips.
> The error message looks like:
>
> | pcm/.libs/libpcm.a(pcm_meter.o): In function
> `snd_pcm_meter_update_scope':
> | .../alsa-lib-1.0.27.2/src/pcm/pcm_meter.c:139: undefined reference to
> `atomic_sub'
>
> Replace the 'extern __inline__' with 'static __inline__' to fix this
> issue.
>
> Signed-off-by: Kai Kang <jiashuo.kang at gmail.com>
> ---
>  include/iatomic.h | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/include/iatomic.h b/include/iatomic.h
> index 5711fe8..2393297 100644
> --- a/include/iatomic.h
> +++ b/include/iatomic.h
> @@ -720,7 +720,7 @@ typedef struct { volatile int counter; } atomic_t;
>   * Atomically adds @i to @v.  Note that the guaranteed useful range
>   * of an atomic_t is only 24 bits.
>   */
> -extern __inline__ void atomic_add(int i, atomic_t * v)
> +static __inline__ void atomic_add(int i, atomic_t * v)
>  {
>         unsigned long temp;
>
> @@ -744,7 +744,7 @@ extern __inline__ void atomic_add(int i, atomic_t * v)
>   * Atomically subtracts @i from @v.  Note that the guaranteed
>   * useful range of an atomic_t is only 24 bits.
>   */
> -extern __inline__ void atomic_sub(int i, atomic_t * v)
> +static __inline__ void atomic_sub(int i, atomic_t * v)
>  {
>         unsigned long temp;
>
> @@ -763,7 +763,7 @@ extern __inline__ void atomic_sub(int i, atomic_t * v)
>  /*
>   * Same as above, but return the result value
>   */
> -extern __inline__ int atomic_add_return(int i, atomic_t * v)
> +static __inline__ int atomic_add_return(int i, atomic_t * v)
>  {
>         unsigned long temp, result;
>
> @@ -784,7 +784,7 @@ extern __inline__ int atomic_add_return(int i,
> atomic_t * v)
>         return result;
>  }
>
> -extern __inline__ int atomic_sub_return(int i, atomic_t * v)
> +static __inline__ int atomic_sub_return(int i, atomic_t * v)
>  {
>         unsigned long temp, result;
>
> --
> 1.8.1.2
>
>
Any comment?

Thanks,
Kai


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