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After upgrade to 2.13.0, for arm32, with DEBUG_BUILD enabled, lttng-ust build failed with error: | /path/to/tmp/work/cortexa15t2hf-neon-poky-linux-gnueabi/lttng-ust/2_2.13.0-r0/recipe-sysroot-native/usr/bin/arm-poky-linux-gnueabi/../../libexec/arm-poky-linux-gnueabi/gcc/arm-poky-linux-gnueabi/11.2.0/ld: ../../../src/lib/lttng-ust/.libs/liblttng-ust.so: undefined reference to `_uatomic_link_error' | collect2: error: ld returned 1 exit status | Makefile:399: recipe for target 'test_ust_error' failed | make[3]: *** [test_ust_error] Error 1 The problem has reported to upstream, and upstream suggests to use -DUATOMIC_NO_LINK_ERROR for the failure case, refer [1]. [1]https://lists.lttng.org/pipermail/lttng-dev/2021-September/030056.html (From OE-Core rev: 722d58bccd5616b3b3364845bbf1121d3cc0c3cd) Signed-off-by: Changqing Li <changqing.li@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>