[3.12] mariadb fails to build on all arches but x86(_64)
From the logs:
Scanning dependencies of target my_decimal-t
[ 23%] Building CXX object unittest/my_decimal/CMakeFiles/my_decimal-t.dir/my_decimal-t.cc.o
/usr/lib/gcc/aarch64-alpine-linux-musl/9.3.0/../../../../aarch64-alpine-linux-musl/bin/ld: CMakeFiles/stacktrace-t.dir/stacktrace-t.c.o: in function `test_my_safe_print_str':
/home/buildozer/aports/main/mariadb/src/mariadb-10.4.17/unittest/mysys/stacktrace-t.c:34: undefined reference to `my_safe_print_str'
/usr/lib/gcc/aarch64-alpine-linux-musl/9.3.0/../../../../aarch64-alpine-linux-musl/bin/ld: /home/buildozer/aports/main/mariadb/src/mariadb-10.4.17/unittest/mysys/stacktrace-t.c:36: undefined reference to `my_safe_print_str'
/usr/lib/gcc/aarch64-alpine-linux-musl/9.3.0/../../../../aarch64-alpine-linux-musl/bin/ld: /home/buildozer/aports/main/mariadb/src/mariadb-10.4.17/unittest/mysys/stacktrace-t.c:38: undefined reference to `my_safe_print_str'
/usr/lib/gcc/aarch64-alpine-linux-musl/9.3.0/../../../../aarch64-alpine-linux-musl/bin/ld: /home/buildozer/aports/main/mariadb/src/mariadb-10.4.17/unittest/mysys/stacktrace-t.c:40: undefined reference to `my_safe_print_str'
/usr/lib/gcc/aarch64-alpine-linux-musl/9.3.0/../../../../aarch64-alpine-linux-musl/bin/ld: /home/buildozer/aports/main/mariadb/src/mariadb-10.4.17/unittest/mysys/stacktrace-t.c:44: undefined reference to `my_safe_print_str'
/usr/lib/gcc/aarch64-alpine-linux-musl/9.3.0/../../../../aarch64-alpine-linux-musl/bin/ld: CMakeFiles/stacktrace-t.dir/stacktrace-t.c.o:/home/buildozer/aports/main/mariadb/src/mariadb-10.4.17/unittest/mysys/stacktrace-t.c:46: more undefined references to `my_safe_print_str' follow
https://build.alpinelinux.org/buildlogs/build-3-12-aarch64/main/mariadb/mariadb-10.4.17-r0.log