conan create fails on RHEL7

[michele-brambilla]

The build of the filewriter on our RHL7s fails because of a failure of the unit_tests in this package.

system: RHEL7
g++: (GCC) 8.3.1 20190311 (Red Hat 8.3.1-3)
python: 3.8.13 (rh-python38)
conan: Conan version 1.54.0

[100%] Linking CXX executable unit_tests
CMakeFiles/unit_tests.dir/BaseLogHandlerTest.cpp.o: In function `BaseLogHandler_SetStringCreatorTest_Test::TestBody()':
BaseLogHandlerTest.cpp:(.text+0x53d): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/BaseLogHandlerTest.cpp.o: In function `BaseLogHandler_DefaultStringCreatorTest_Test::TestBody()':
BaseLogHandlerTest.cpp:(.text+0x1350): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/BaseLogHandlerTest.cpp.o: In function `std::string testing::PrintToString<std::string>(std::string const&)':
BaseLogHandlerTest.cpp:(.text._ZN7testing13PrintToStringISsEESsRKT_[_ZN7testing13PrintToStringISsEESsRKT_]+0x14d): undefined reference to `testing::internal::PrintStringTo(std::string const&, std::ostream*)'
CMakeFiles/unit_tests.dir/BaseLogHandlerTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperEQFailure<std::string, std::string>(char const*, char const*, std::string const&, std::string const&)':
BaseLogHandlerTest.cpp:(.text._ZN7testing8internal18CmpHelperEQFailureISsSsEENS_15AssertionResultEPKcS4_RKT_RKT0_[_ZN7testing8internal18CmpHelperEQFailureISsSsEENS_15AssertionResultEPKcS4_RKT_RKT0_]+0x47): undefined reference to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)'
CMakeFiles/unit_tests.dir/ConsoleInterfaceTest.cpp.o: In function `ConsoleInterface_FlushSuccess_Test::TestBody()':
ConsoleInterfaceTest.cpp:(.text+0x4b5): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/ConsoleInterfaceTest.cpp.o: In function `ConsoleInterface_FlushFail_Test::TestBody()':
ConsoleInterfaceTest.cpp:(.text+0x97d): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/ConsoleInterfaceTest.cpp.o: In function `ConsoleInterface_ConsoleStringTest_Test::TestBody()':
ConsoleInterfaceTest.cpp:(.text+0x1078): undefined reference to `testing::internal::GetCapturedStdout()'
CMakeFiles/unit_tests.dir/ConsoleInterfaceTest.cpp.o: In function `ConsoleInterface_ConsoleStringFunctionTest_Test::TestBody()':
ConsoleInterfaceTest.cpp:(.text+0x12c7): undefined reference to `testing::internal::GetCapturedStdout()'
CMakeFiles/unit_tests.dir/ConsoleInterfaceTest.cpp.o: In function `ConsoleInterface_QueueSizeOneIsNotEmpty_Test::TestBody()':
ConsoleInterfaceTest.cpp:(.text+0x18c6): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/ConsoleInterfaceTest.cpp.o: In function `ConsoleInterface_OnInitialisationQueueEmpty_Test::TestBody()':
ConsoleInterfaceTest.cpp:(.text+0x1f46): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/ConsoleInterfaceTest.cpp.o: In function `LoggingBase_AddConsoleHandlerTest_Test::TestBody()':
ConsoleInterfaceTest.cpp:(.text+0x23d6): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
ConsoleInterfaceTest.cpp:(.text+0x2466): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/ConsoleInterfaceTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperEQFailure<unsigned long, int>(char const*, char const*, unsigned long const&, int const&)':
ConsoleInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperEQFailureImiEENS_15AssertionResultEPKcS4_RKT_RKT0_[_ZN7testing8internal18CmpHelperEQFailureImiEENS_15AssertionResultEPKcS4_RKT_RKT0_]+0x47): undefined reference to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)'
CMakeFiles/unit_tests.dir/ConsoleInterfaceTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperEQFailure<long, int>(char const*, char const*, long const&, int const&)':
ConsoleInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperEQFailureIliEENS_15AssertionResultEPKcS4_RKT_RKT0_[_ZN7testing8internal18CmpHelperEQFailureIliEENS_15AssertionResultEPKcS4_RKT_RKT0_]+0x47): undefined reference to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)'
CMakeFiles/unit_tests.dir/FileInterfaceTest.cpp.o: In function `FileInterfaceTest_LogFileCreationTest_Test::TestBody()':
FileInterfaceTest.cpp:(.text+0x505): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/FileInterfaceTest.cpp.o: In function `FileInterfaceTest_FlushSuccess_Test::TestBody()':
FileInterfaceTest.cpp:(.text+0x6ad): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/FileInterfaceTest.cpp.o: In function `FileInterfaceTest_OpenFileMessages_Test::TestBody()':
FileInterfaceTest.cpp:(.text+0x852): undefined reference to `testing::internal::GetCapturedStdout()'
FileInterfaceTest.cpp:(.text+0x9ca): undefined reference to `testing::internal::GetCapturedStdout()'
CMakeFiles/unit_tests.dir/FileInterfaceTest.cpp.o: In function `FileInterfaceTest_FlushFail_Test::TestBody()':
FileInterfaceTest.cpp:(.text+0x139d): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/FileInterfaceTest.cpp.o: In function `FileInterfaceTest_QueueSizeOneIsNotEmpty_Test::TestBody()':
FileInterfaceTest.cpp:(.text+0x2d96): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/FileInterfaceTest.cpp.o: In function `FileInterfaceTest_OnInitialisationQueueEmpty_Test::TestBody()':
FileInterfaceTest.cpp:(.text+0x407e): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/FileInterfaceTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperEQFailure<unsigned long, unsigned long>(char const*, char const*, unsigned long const&, unsigned long const&)':
FileInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperEQFailureImmEENS_15AssertionResultEPKcS4_RKT_RKT0_[_ZN7testing8internal18CmpHelperEQFailureImmEENS_15AssertionResultEPKcS4_RKT_RKT0_]+0x47): undefined reference to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)'
CMakeFiles/unit_tests.dir/FileInterfaceTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperOpFailure<unsigned long, unsigned long>(char const*, char const*, unsigned long const&, unsigned long const&, char const*)':
FileInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureImmEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_[_ZN7testing8internal18CmpHelperOpFailureImmEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_]+0x6f): undefined reference to `testing::Message::GetString() const'
FileInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureImmEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_[_ZN7testing8internal18CmpHelperOpFailureImmEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_]+0x109): undefined reference to `testing::Message::GetString() const'
FileInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureImmEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_[_ZN7testing8internal18CmpHelperOpFailureImmEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_]+0x18c): undefined reference to `testing::Message::GetString() const'
FileInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureImmEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_[_ZN7testing8internal18CmpHelperOpFailureImmEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_]+0x21f): undefined reference to `testing::Message::GetString() const'
FileInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureImmEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_[_ZN7testing8internal18CmpHelperOpFailureImmEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_]+0x2a2): undefined reference to `testing::Message::GetString() const'
CMakeFiles/unit_tests.dir/FileInterfaceTest.cpp.o:FileInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureImmEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_[_ZN7testing8internal18CmpHelperOpFailureImmEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_]+0x335): more undefined references to `testing::Message::GetString() const' follow
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `GraylogInterface_FlushSuccess_Test::TestBody()':
GraylogInterfaceTest.cpp:(.text+0x37d): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `GraylogInterface_FlushFail_Test::TestBody()':
GraylogInterfaceTest.cpp:(.text+0x5eb): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `GraylogInterface_OnInitialisationQueueEmpty_Test::TestBody()':
GraylogInterfaceTest.cpp:(.text+0x2105): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `GraylogConnectionCom_UnknownHostTest_Test::TestBody()':
GraylogInterfaceTest.cpp:(.text+0x2435): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `GraylogConnectionCom_WrongPortTest_Test::TestBody()':
GraylogInterfaceTest.cpp:(.text+0x2855): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o:GraylogInterfaceTest.cpp:(.text+0x2e37): more undefined references to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)' follow
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::internal::FunctionMocker<void (std::string)>::UntypedPrintArgs(void const*, std::ostream*) const':
GraylogInterfaceTest.cpp:(.text._ZNK7testing8internal14FunctionMockerIFvSsEE16UntypedPrintArgsEPKvPSo[_ZNK7testing8internal14FunctionMockerIFvSsEE16UntypedPrintArgsEPKvPSo]+0x25): undefined reference to `testing::internal::PrintStringTo(std::string const&, std::ostream*)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::internal::ExpectationBase::DescribeLocationTo(std::ostream*) const':
GraylogInterfaceTest.cpp:(.text._ZNK7testing8internal15ExpectationBase18DescribeLocationToEPSo[_ZNK7testing8internal15ExpectationBase18DescribeLocationToEPSo]+0x15): undefined reference to `testing::internal::FormatFileLocation(char const*, int)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `IsJSONMatcher::gmock_Impl<std::string>::DescribeNegationTo(std::ostream*) const':
GraylogInterfaceTest.cpp:(.text._ZNK13IsJSONMatcher10gmock_ImplISsE18DescribeNegationToEPSo[_ZNK13IsJSONMatcher10gmock_ImplISsE18DescribeNegationToEPSo]+0x87): undefined reference to `testing::internal::FormatMatcherDescription(bool, char const*, std::vector<std::string, std::allocator<std::string> > const&)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `IsJSONMatcher::gmock_Impl<std::string>::DescribeTo(std::ostream*) const':
GraylogInterfaceTest.cpp:(.text._ZNK13IsJSONMatcher10gmock_ImplISsE10DescribeToEPSo[_ZNK13IsJSONMatcher10gmock_ImplISsE10DescribeToEPSo]+0x84): undefined reference to `testing::internal::FormatMatcherDescription(bool, char const*, std::vector<std::string, std::allocator<std::string> > const&)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::AssertionResult& testing::AssertionResult::operator<< <char const*>(char const* const&)':
GraylogInterfaceTest.cpp:(.text._ZN7testing15AssertionResultlsIPKcEERS0_RKT_[_ZN7testing15AssertionResultlsIPKcEERS0_RKT_]+0x58): undefined reference to `testing::Message::GetString() const'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperOpFailure<Log::Status, Log::Status>(char const*, char const*, Log::Status const&, Log::Status const&, char const*)':
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureIN3Log6StatusES3_EENS_15AssertionResultEPKcS6_RKT_RKT0_S6_[_ZN7testing8internal18CmpHelperOpFailureIN3Log6StatusES3_EENS_15AssertionResultEPKcS6_RKT_RKT0_S6_]+0x74): undefined reference to `testing::Message::GetString() const'
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureIN3Log6StatusES3_EENS_15AssertionResultEPKcS6_RKT_RKT0_S6_[_ZN7testing8internal18CmpHelperOpFailureIN3Log6StatusES3_EENS_15AssertionResultEPKcS6_RKT_RKT0_S6_]+0x108): undefined reference to `testing::Message::GetString() const'
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureIN3Log6StatusES3_EENS_15AssertionResultEPKcS6_RKT_RKT0_S6_[_ZN7testing8internal18CmpHelperOpFailureIN3Log6StatusES3_EENS_15AssertionResultEPKcS6_RKT_RKT0_S6_]+0x197): undefined reference to `testing::Message::GetString() const'
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureIN3Log6StatusES3_EENS_15AssertionResultEPKcS6_RKT_RKT0_S6_[_ZN7testing8internal18CmpHelperOpFailureIN3Log6StatusES3_EENS_15AssertionResultEPKcS6_RKT_RKT0_S6_]+0x226): undefined reference to `testing::Message::GetString() const'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o:GraylogInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureIN3Log6StatusES3_EENS_15AssertionResultEPKcS6_RKT_RKT0_S6_[_ZN7testing8internal18CmpHelperOpFailureIN3Log6StatusES3_EENS_15AssertionResultEPKcS6_RKT_RKT0_S6_]+0x2b1): more undefined references to `testing::Message::GetString() const' follow
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperEQ<Log::Status, Log::Status>(char const*, char const*, Log::Status const&, Log::Status const&)':
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal11CmpHelperEQIN3Log6StatusES3_EENS_15AssertionResultEPKcS6_RKT_RKT0_[_ZN7testing8internal11CmpHelperEQIN3Log6StatusES3_EENS_15AssertionResultEPKcS6_RKT_RKT0_]+0x4e): undefined reference to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperEQ<int, int>(char const*, char const*, int const&, int const&)':
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal11CmpHelperEQIiiEENS_15AssertionResultEPKcS4_RKT_RKT0_[_ZN7testing8internal11CmpHelperEQIiiEENS_15AssertionResultEPKcS4_RKT_RKT0_]+0x4e): undefined reference to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperEQ<unsigned long, int>(char const*, char const*, unsigned long const&, int const&)':
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal11CmpHelperEQImiEENS_15AssertionResultEPKcS4_RKT_RKT0_[_ZN7testing8internal11CmpHelperEQImiEENS_15AssertionResultEPKcS4_RKT_RKT0_]+0x4f): undefined reference to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperEQ<int, unsigned long>(char const*, char const*, int const&, unsigned long const&)':
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal11CmpHelperEQIimEENS_15AssertionResultEPKcS4_RKT_RKT0_[_ZN7testing8internal11CmpHelperEQIimEENS_15AssertionResultEPKcS4_RKT_RKT0_]+0x4f): undefined reference to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperOpFailure<unsigned long, int>(char const*, char const*, unsigned long const&, int const&, char const*)':
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureImiEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_[_ZN7testing8internal18CmpHelperOpFailureImiEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_]+0x74): undefined reference to `testing::Message::GetString() const'
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureImiEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_[_ZN7testing8internal18CmpHelperOpFailureImiEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_]+0x108): undefined reference to `testing::Message::GetString() const'
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureImiEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_[_ZN7testing8internal18CmpHelperOpFailureImiEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_]+0x197): undefined reference to `testing::Message::GetString() const'
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureImiEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_[_ZN7testing8internal18CmpHelperOpFailureImiEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_]+0x226): undefined reference to `testing::Message::GetString() const'
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureImiEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_[_ZN7testing8internal18CmpHelperOpFailureImiEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_]+0x2b1): undefined reference to `testing::Message::GetString() const'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o:GraylogInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperOpFailureImiEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_[_ZN7testing8internal18CmpHelperOpFailureImiEENS_15AssertionResultEPKcS4_RKT_RKT0_S4_]+0x330): more undefined references to `testing::Message::GetString() const' follow
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::internal::MockSpec<void (std::string)>::InternalExpectedAt(char const*, int, char const*, char const*)':
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal8MockSpecIFvSsEE18InternalExpectedAtEPKciS5_S5_[_ZN7testing8internal8MockSpecIFvSsEE18InternalExpectedAtEPKciS5_S5_]+0x14c): undefined reference to `testing::internal::LogWithLocation(testing::internal::LogSeverity, char const*, int, std::string const&)'
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal8MockSpecIFvSsEE18InternalExpectedAtEPKciS5_S5_[_ZN7testing8internal8MockSpecIFvSsEE18InternalExpectedAtEPKciS5_S5_]+0x19c): undefined reference to `testing::internal::ExpectationBase::ExpectationBase(char const*, int, std::string const&)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperEQFailure<long, long>(char const*, char const*, long const&, long const&)':
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperEQFailureIllEENS_15AssertionResultEPKcS4_RKT_RKT0_[_ZN7testing8internal18CmpHelperEQFailureIllEENS_15AssertionResultEPKcS4_RKT_RKT0_]+0x47): undefined reference to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperEQFailure<double, double>(char const*, char const*, double const&, double const&)':
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal18CmpHelperEQFailureIddEENS_15AssertionResultEPKcS4_RKT_RKT0_[_ZN7testing8internal18CmpHelperEQFailureIddEENS_15AssertionResultEPKcS4_RKT_RKT0_]+0x47): undefined reference to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::internal::FunctionMocker<void (std::string)>::DescribeDefaultActionTo(std::tuple<std::string> const&, std::ostream*) const':
GraylogInterfaceTest.cpp:(.text._ZNK7testing8internal14FunctionMockerIFvSsEE23DescribeDefaultActionToERKSt5tupleIJSsEEPSo[_ZNK7testing8internal14FunctionMockerIFvSsEE23DescribeDefaultActionToERKSt5tupleIJSsEEPSo]+0xd4): undefined reference to `testing::internal::FormatFileLocation(char const*, int)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::internal::FunctionMocker<void (std::string)>::UntypedDescribeUninterestingCall(void const*, std::ostream*) const':
GraylogInterfaceTest.cpp:(.text._ZNK7testing8internal14FunctionMockerIFvSsEE32UntypedDescribeUninterestingCallEPKvPSo[_ZNK7testing8internal14FunctionMockerIFvSsEE32UntypedDescribeUninterestingCallEPKvPSo]+0x7e): undefined reference to `testing::internal::PrintStringTo(std::string const&, std::ostream*)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::internal::TypedExpectation<void (std::string)>::GetCurrentAction(testing::internal::FunctionMocker<void (std::string)> const*, std::tuple<std::string> const&) const':
GraylogInterfaceTest.cpp:(.text._ZNK7testing8internal16TypedExpectationIFvSsEE16GetCurrentActionEPKNS0_14FunctionMockerIS2_EERKSt5tupleIJSsEE[_ZNK7testing8internal16TypedExpectationIFvSsEE16GetCurrentActionEPKNS0_14FunctionMockerIS2_EERKSt5tupleIJSsEE]+0x1bd): undefined reference to `testing::internal::Log(testing::internal::LogSeverity, std::string const&, int)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::internal::TypedExpectation<void (std::string)>::ExplainMatchResultTo(std::tuple<std::string> const&, std::ostream*) const':
GraylogInterfaceTest.cpp:(.text._ZNK7testing8internal16TypedExpectationIFvSsEE20ExplainMatchResultToERKSt5tupleIJSsEEPSo[_ZNK7testing8internal16TypedExpectationIFvSsEE20ExplainMatchResultToERKSt5tupleIJSsEEPSo]+0x342): undefined reference to `testing::internal::FormatFileLocation(char const*, int)'
GraylogInterfaceTest.cpp:(.text._ZNK7testing8internal16TypedExpectationIFvSsEE20ExplainMatchResultToERKSt5tupleIJSsEEPSo[_ZNK7testing8internal16TypedExpectationIFvSsEE20ExplainMatchResultToERKSt5tupleIJSsEEPSo]+0x55e): undefined reference to `testing::internal::PrintStringTo(std::string const&, std::ostream*)'
CMakeFiles/unit_tests.dir/GraylogInterfaceTest.cpp.o: In function `testing::internal::FunctionMocker<void (std::string)>::UntypedFindMatchingExpectation(void const*, void const**, bool*, std::ostream*, std::ostream*)':
GraylogInterfaceTest.cpp:(.text._ZN7testing8internal14FunctionMockerIFvSsEE30UntypedFindMatchingExpectationEPKvPS5_PbPSoS8_[_ZN7testing8internal14FunctionMockerIFvSsEE30UntypedFindMatchingExpectationEPKvPS5_PbPSoS8_]+0x4bd): undefined reference to `testing::internal::FormatFileLocation(char const*, int)'
CMakeFiles/unit_tests.dir/LoggingBaseTest.cpp.o: In function `LoggingBase_FmtLogMessageException_Test::TestBody()':
LoggingBaseTest.cpp:(.text+0x47b5): undefined reference to `testing::internal::GetBoolAssertionFailureMessage(testing::AssertionResult const&, char const*, char const*, char const*)'
CMakeFiles/unit_tests.dir/LoggingBaseTest.cpp.o: In function `std::string testing::PrintToString<char const*>(char const* const&)':
LoggingBaseTest.cpp:(.text._ZN7testing13PrintToStringIPKcEESsRKT_[_ZN7testing13PrintToStringIPKcEESsRKT_]+0x41): undefined reference to `testing::internal::PrintStringTo(std::string const&, std::ostream*)'
CMakeFiles/unit_tests.dir/LoggingBaseTest.cpp.o: In function `Log::LoggingBase::fmt_log<int, char const*>(Log::Severity, std::string, int, char const*)::{lambda()#1}::operator()() const':
LoggingBaseTest.cpp:(.text._ZZN3Log11LoggingBase7fmt_logIJiPKcEEEvNS_8SeverityESsDpT_ENKUlvE_clEv[_ZZN3Log11LoggingBase7fmt_logIJiPKcEEEvNS_8SeverityESsDpT_ENKUlvE_clEv]+0x60): undefined reference to `fmt::v8::vformat(fmt::v8::basic_string_view<char>, fmt::v8::basic_format_args<fmt::v8::basic_format_context<fmt::v8::appender, char> >)'
LoggingBaseTest.cpp:(.text._ZZN3Log11LoggingBase7fmt_logIJiPKcEEEvNS_8SeverityESsDpT_ENKUlvE_clEv[_ZZN3Log11LoggingBase7fmt_logIJiPKcEEEvNS_8SeverityESsDpT_ENKUlvE_clEv]+0x387): undefined reference to `fmt::v8::vformat(fmt::v8::basic_string_view<char>, fmt::v8::basic_format_args<fmt::v8::basic_format_context<fmt::v8::appender, char> >)'
CMakeFiles/unit_tests.dir/LoggingBaseTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperEQFailure<int, int>(char const*, char const*, int const&, int const&)':
LoggingBaseTest.cpp:(.text._ZN7testing8internal18CmpHelperEQFailureIiiEENS_15AssertionResultEPKcS4_RKT_RKT0_[_ZN7testing8internal18CmpHelperEQFailureIiiEENS_15AssertionResultEPKcS4_RKT_RKT0_]+0x47): undefined reference to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)'
CMakeFiles/unit_tests.dir/LoggingBaseTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperEQFailure<Log::BaseLogHandler*, BaseLogHandlerStandIn*>(char const*, char const*, Log::BaseLogHandler* const&, BaseLogHandlerStandIn* const&)':
LoggingBaseTest.cpp:(.text._ZN7testing8internal18CmpHelperEQFailureIPN3Log14BaseLogHandlerEP21BaseLogHandlerStandInEENS_15AssertionResultEPKcS9_RKT_RKT0_[_ZN7testing8internal18CmpHelperEQFailureIPN3Log14BaseLogHandlerEP21BaseLogHandlerStandInEENS_15AssertionResultEPKcS9_RKT_RKT0_]+0x47): undefined reference to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)'
CMakeFiles/unit_tests.dir/LoggingBaseTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperEQFailure<Log::Severity, Log::Severity>(char const*, char const*, Log::Severity const&, Log::Severity const&)':
LoggingBaseTest.cpp:(.text._ZN7testing8internal18CmpHelperEQFailureIN3Log8SeverityES3_EENS_15AssertionResultEPKcS6_RKT_RKT0_[_ZN7testing8internal18CmpHelperEQFailureIN3Log8SeverityES3_EENS_15AssertionResultEPKcS6_RKT_RKT0_]+0x47): undefined reference to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)'
CMakeFiles/unit_tests.dir/LoggingBaseTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperEQFailure<std::string, char [26]>(char const*, char const*, std::string const&, char const (&) [26])':
LoggingBaseTest.cpp:(.text._ZN7testing8internal18CmpHelperEQFailureISsA26_cEENS_15AssertionResultEPKcS5_RKT_RKT0_[_ZN7testing8internal18CmpHelperEQFailureISsA26_cEENS_15AssertionResultEPKcS5_RKT_RKT0_]+0x4e): undefined reference to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)'
CMakeFiles/unit_tests.dir/LoggingBaseTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperEQ<Log::AdditionalField::Type, Log::AdditionalField::Type>(char const*, char const*, Log::AdditionalField::Type const&, Log::AdditionalField::Type const&)':
LoggingBaseTest.cpp:(.text._ZN7testing8internal11CmpHelperEQIN3Log15AdditionalField4TypeES4_EENS_15AssertionResultEPKcS7_RKT_RKT0_[_ZN7testing8internal11CmpHelperEQIN3Log15AdditionalField4TypeES4_EENS_15AssertionResultEPKcS7_RKT_RKT0_]+0x4f): undefined reference to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)'
CMakeFiles/unit_tests.dir/LoggingBaseTest.cpp.o:LoggingBaseTest.cpp:(.text._ZN7testing8internal11CmpHelperEQIllEENS_15AssertionResultEPKcS4_RKT_RKT0_[_ZN7testing8internal11CmpHelperEQIllEENS_15AssertionResultEPKcS4_RKT_RKT0_]+0x4f): more undefined references to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)' follow
CMakeFiles/unit_tests.dir/QueueLengthTest.cpp.o: In function `QueueLength_ConsoleInterfaceTest_Test::TestBody()':
QueueLengthTest.cpp:(.text+0x10cd): undefined reference to `testing::internal::GetCapturedStdout()'
CMakeFiles/unit_tests.dir/QueueLengthTest.cpp.o: In function `QueueLength_FileInterfaceTest_Test::TestBody()':
QueueLengthTest.cpp:(.text+0x15ee): undefined reference to `testing::internal::GetCapturedStdout()'
CMakeFiles/unit_tests.dir/QueueLengthTest.cpp.o: In function `testing::AssertionResult testing::internal::CmpHelperEQ<std::atomic<int>, int>(char const*, char const*, std::atomic<int> const&, int const&)':
QueueLengthTest.cpp:(.text._ZN7testing8internal11CmpHelperEQISt6atomicIiEiEENS_15AssertionResultEPKcS6_RKT_RKT0_[_ZN7testing8internal11CmpHelperEQISt6atomicIiEiEENS_15AssertionResultEPKcS6_RKT_RKT0_]+0x4e): undefined reference to `testing::internal::EqFailure(char const*, char const*, std::string const&, std::string const&, bool)'
CMakeFiles/unit_tests.dir/LoggerTest.cpp.o: In function `Logger_ReplaceConsoleInterface_Test::TestBody()':
LoggerTest.cpp:(.text+0x311): undefined reference to `testing::internal::GetCapturedStdout()'
collect2: error: ld returned 1 exit status
gmake[3]: *** [unit_tests/CMakeFiles/unit_tests.dir/build.make:244: unit_tests/unit_tests] Error 1
gmake[2]: *** [CMakeFiles/Makefile2:238: unit_tests/CMakeFiles/unit_tests.dir/all] Error 2
gmake[1]: *** [CMakeFiles/Makefile2:245: unit_tests/CMakeFiles/unit_tests.dir/rule] Error 2
gmake: *** [Makefile:222: unit_tests] Error 2
graylog-logger/2.1.4: 
graylog-logger/2.1.4: ERROR: Package 'ff38497f1148746f5158a82cae363785b45216eb' build failed
graylog-logger/2.1.4: WARN: Build folder /afs/psi.ch/user/b/brambilla_m/.conan/data/graylog-logger/2.1.4/_/_/build/ff38497f1148746f5158a82cae363785b45216eb
ERROR: graylog-logger/2.1.4: Error in build() method, line 34
	cmake.build(target="unit_tests")
	ConanException: Error 2 while executing cmake --build '.' '--target' 'unit_tests' '--' '-j8'