CI: QEMU ARM64 (and maybe some others) fail NUT cppunittest

[jimklimov]

https://ci.networkupstools.org/blue/rest/organizations/jenkins/pipelines/nut/pipelines/nut/branches/issue_1023_GetValue_qemu_test/runs/4/nodes/791/log/?start=0

[2021-10-08T01:17:14.037Z] FAIL: cppunittest
[2021-10-08T01:17:14.037Z] =================
[2021-10-08T01:17:14.037Z] 
[2021-10-08T01:17:14.037Z] D: Getting test suite...
[2021-10-08T01:17:14.037Z] D: Preparing test runner...
[2021-10-08T01:17:14.037Z] D: Setting test runner outputter...
[2021-10-08T01:17:14.037Z] D: Launching the test run...
[2021-10-08T01:17:14.037Z] ..F.F.......F
[2021-10-08T01:17:14.037Z] 
[2021-10-08T01:17:14.037Z] nutclienttest.cpp:110:Assertion
[2021-10-08T01:17:14.037Z] Test name: nut::NutClientTest::test_stringset_to_strarr
[2021-10-08T01:17:14.037Z] assertion failed
[2021-10-08T01:17:14.037Z] - Expression: arr != nullptr
[2021-10-08T01:17:14.037Z] - stringset_to_strarr(...) result is null
[2021-10-08T01:17:14.037Z] 
[2021-10-08T01:17:14.037Z] nutclienttest.cpp:137:Assertion
[2021-10-08T01:17:14.037Z] Test name: nut::NutClientTest::test_stringvector_to_strarr
[2021-10-08T01:17:14.037Z] assertion failed
[2021-10-08T01:17:14.037Z] - Expression: arr != nullptr
[2021-10-08T01:17:14.037Z] - stringvector_to_strarr(...) result is null
[2021-10-08T01:17:14.037Z] 
[2021-10-08T01:17:14.037Z] nutclienttest.cpp:235:Assertion
[2021-10-08T01:17:14.037Z] Test name: nut::NutClientTest::test_nutclientstub_dev
[2021-10-08T01:17:14.037Z] assertion failed
[2021-10-08T01:17:14.037Z] - Expression: values.size() == 1
[2021-10-08T01:17:14.037Z] - Failed stub tcp client: mono wrong values number
[2021-10-08T01:17:14.037Z] 
[2021-10-08T01:17:14.037Z] Failures !!!
[2021-10-08T01:17:14.037Z] Run: 10   Failure total: 3   Failures: 3   Errors: 0
[2021-10-08T01:17:14.037Z] D: Got to the end of test suite with code 'false'
[2021-10-08T01:17:14.037Z] FAIL cppunittest (exit status: 1)

Dynamatrix build combo settings:

[2021-11-02T17:48:17.424Z] FINISHED with exit-code 2 cmd:  (
[2021-11-02T17:48:17.424Z] [ -x ./ci_build.sh ] || exit
[2021-11-02T17:48:17.424Z] 
[2021-11-02T17:48:17.424Z] eval BUILD_TYPE="default-all-errors" BUILD_WARNOPT="auto" BUILD_WARNFATAL="no" MAKE="make"  CC=clang CXX=clang++ CFLAGS='-std=gnu99 -m64' CXXFLAGS='-std=gnu++11 -m64' LDFLAGS='-m64' ./ci_build.sh 
[2021-11-02T17:48:17.424Z] ) 
[2021-11-02T17:48:17.424Z] cmdOrig:  (
[2021-11-02T17:48:17.424Z] [ -x ./ci_build.sh ] || exit
[2021-11-02T17:48:17.424Z] 
[2021-11-02T17:48:17.424Z] eval BUILD_TYPE="${BUILD_TYPE}" BUILD_WARNOPT="${BUILD_WARNOPT}" BUILD_WARNFATAL="${BUILD_WARNFATAL}" MAKE="${MAKE}" ${CONFIG_ENVVARS} ./ci_build.sh ${CONFIG_OPTS}
[2021-11-02T17:48:17.424Z] ) 
[2021-11-02T17:48:17.424Z] ...for stageName: (ARCH_BITS=64&&ARCH64=aarch64&&COMPILER=CLANG&&OS_DISTRO=debian10&&OS_FAMILY=linux) && (qemu-nut-builder || ssh-qemu-nut-builder) && ((NUT_BUILD_CAPS=drivers:all||qemu-nut-builder:alldrv)) && BITS=64&&CSTDVARIANT=gnu&&CSTDVERSION_c=99&&CSTDVERSION_cxx=11  &&  LANG=C && LC_ALL=C && TZ=UTC && BUILD_TYPE=default-all-errors && BUILD_WARNFATAL=no && BUILD_WARNOPT=auto (isAllowedFailure)
[2021-11-02T17:48:17.424Z] ...as part of slowBuild filter: GNU C standard builds with non-fatal warnings, without distcheck and docs, one compiler with main supported C/C++ revision on slower QEMU builders (may fail due to those workers)
[2021-11-02T17:48:17.424Z] ...logged into: .ci.MD5_71290238d13a3c42f95e5da6ffb201f3.check.log
[2021-11-02T17:48:17.424Z] NOTE: Saved big job artifacts for this single build scenario usually have same identifier in the middle of file name
[2021-11-02T17:48:17.424Z] ...e.g. a (renamed) copy of config.log for this build
[2021-11-02T17:48:18.056Z] WARNING: FAILED 'Test1' for (ARCH_BITS=64&&ARCH64=aarch64&&COMPILER=CLANG&&OS_DISTRO=debian10&&OS_FAMILY=linux) && (qemu-nut-builder || ssh-qemu-nut-builder) && ((NUT_BUILD_CAPS=drivers:all||qemu-nut-builder:alldrv)) && BITS=64&&CSTDVARIANT=gnu&&CSTDVERSION_c=99&&CSTDVERSION_cxx=11  &&  LANG=C && LC_ALL=C && TZ=UTC && BUILD_TYPE=default-all-errors && BUILD_WARNFATAL=no && BUILD_WARNOPT=auto (isAllowedFailure)

[jimklimov]

It seems that with the conditions above (arm64, clang++, -m64) there is some bug with CppUnit's CPPUNIT_ASSERT_MESSAGE - it fails regardless of the condition part - that does not happen with other build settings.

Workaround evaluated in PR #1162