[Buildroot] [PATCH v3 1/1] package/mono: fix external libatomic_ops linkage

[Peter Korsgaard]

>>>>> "Illia" == Illia Bitkov <illia.bitkov at mind.be> writes:

 > Added patch fixes linkage of libgc with external libtomic-ops.
 > Mono uses bundeled bdwgc which doesn't link external libatomic-ops.
 > Patch is a fix cherry-picked from bdwgc upstream.

 > Problem found on ARMv5 processors, on newer ARM processors
 > it uses header based functions and doesn't need built library.

 > Error:
 > /home/buildroot/autobuild/instance-3/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-linux-uclibcgnueabi/9.3.0/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld:
 > ../../external/bdwgc/.libs/libgc.a(gc.o): in function
 > `GC_steal_mark_stack':
 > gc.c:(.text+0x2020): undefined reference to `AO_store_full_emulation'

 > Fixes:
 > http://autobuild.buildroot.net/results/ebc54e5dea63aca21a4072d294fdede41de559c7
 > http://autobuild.buildroot.net/results/6d10a4bd43fbc9c1d3fa26d5eef394c8023cb85f
 > Signed-off-by: Illia Bitkov <illia.bitkov at mind.be>

Committed to 2021.02.x, 2021.05.x and 2021.08.x, thanks.

-- 
Bye, Peter Korsgaard