[OE-core] [yocto] [RFT] gcc7 and glibc-2.26 recipes

[Nathan Lynch]

"Burton, Ross" <ross.burton at intel.com> writes:

> On 24 April 2017 at 10:09, Burton, Ross <ross.burton at intel.com> wrote:
>
>> All merged, I'll fire in a moment.
>>
>
> lttng-modules fails:
>
> In function 'lib_ring_buffer_align',
>     inlined from 'lib_ring_buffer_try_reserve' at
> TOPDIR/tmp/work/qemumips-poky-linux/lttng-modules/2.9.1-r0/lttng-modules-2.9.1/lib/ringbuffer/frontend_api.h:118:3,
>     inlined from 'lib_ring_buffer_reserve' at
> TOPDIR/tmp/work/qemumips-poky-linux/lttng-modules/2.9.1-r0/lttng-modules-2.9.1/lib/ringbuffer/frontend_api.h:179:6,
>     inlined from 'lttng_event_reserve' at
> TOPDIR/tmp/work/qemumips-poky-linux/lttng-modules/2.9.1-r0/lttng-modules-2.9.1/lttng-ring-buffer-metadata-client.h:317:6:
> TOPDIR/tmp/work-shared/qemumips/kernel-source/include/linux/compiler.h:518:38:
> error: call to '__compiletime_assert_269' declared with attribute error:
> BUILD_BUG_ON failed: (size_of_type) == 0 || ((size_of_type) &
> ((size_of_type) - 1))
>   _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
>                                       ^
>
> Suggestions welcome :)


Does adding this patch to lttng-modules work around it?


diff --git a/lib/align.h b/lib/align.h
index 5b91ae87410b..5e134cd485fe 100644
--- a/lib/align.h
+++ b/lib/align.h
@@ -48,7 +48,7 @@
  */
 #define offset_align(align_drift, alignment)				       \
 	({								       \
-		BUILD_RUNTIME_BUG_ON((alignment) == 0			       \
+		BUG_ON((alignment) == 0					       \
 				   || ((alignment) & ((alignment) - 1)));      \
 		(((alignment) - (align_drift)) & ((alignment) - 1));	       \
 	})
@@ -63,7 +63,7 @@
  */
 #define offset_align_floor(align_drift, alignment)			       \
 	({								       \
-		BUILD_RUNTIME_BUG_ON((alignment) == 0			       \
+		BUG_ON((alignment) == 0					       \
 				   || ((alignment) & ((alignment) - 1)));      \
 		(((align_drift) - (alignment)) & ((alignment) - 1));	       \
 	})