[OE-core] [PATCH version2] db: disable the ARM assembler mutex code

[Zhou, Li]

ping


On 11/07/2016 11:02 AM, Li Zhou wrote:
> The swpb in macro MUTEX_SET will cause "undefined instruction" error
> on the new arm arches which don't support this assembly instruction
> any more. If use ldrex/strex to replace swpb, the old arm arches don't
> support them. So to avoid this issue, just disable the ARM assembler
> mutex code, and use the default pthreads mutex.
>
> Signed-off-by: Li Zhou <li.zhou at windriver.com>
> ---
>   meta/recipes-support/db/db_6.0.35.bb | 9 ---------
>   1 file changed, 9 deletions(-)
>
> diff --git a/meta/recipes-support/db/db_6.0.35.bb b/meta/recipes-support/db/db_6.0.35.bb
> index f60edf9..b1bec0e 100644
> --- a/meta/recipes-support/db/db_6.0.35.bb
> +++ b/meta/recipes-support/db/db_6.0.35.bb
> @@ -77,15 +77,6 @@ do_configure() {
>   	oe_runconf
>   }
>   
> -# Override the MUTEX setting here, the POSIX library is
> -# the default - "POSIX/pthreads/library".
> -# Don't ignore the nice SWP instruction on the ARM:
> -# These enable the ARM assembler mutex code
> -ARM_MUTEX = "--with-mutex=ARM/gcc-assembly"
> -MUTEX = ""
> -MUTEX_arm = "${ARM_MUTEX}"
> -MUTEX_armeb = "${ARM_MUTEX}"
> -EXTRA_OECONF += "${MUTEX}"
>   EXTRA_OEMAKE_append_class-target = " LIBTOOL=${STAGING_BINDIR_CROSS}/${HOST_SYS}-libtool"
>   EXTRA_OEMAKE += "STRIP=true docdir=${docdir}/db/"
>   

-- 
Best Regards!
Zhou Li
Phone number: 86-10-84778511