Linking CXX executable shogun-unit-test
CMakeFiles/shogun-unit-test.dir/io/LineReader_unittest.cc.o: In function `testing::AssertionResult testing::internal::CmpHelperEQ<char, char>(char const*, char const*, char const&, char const&)':
/usr/include/gtest/gtest.h:1328: undefined reference to `testing::internal::EqFailure(char const*, char const*, testing::internal::String const&, testing::internal::String const&, bool)'
CMakeFiles/shogun-unit-test.dir/io/Parser_unittest.cc.o: In function `testing::AssertionResult testing::internal::CmpHelperEQ<unsigned long, int>(char const*, char const*, unsigned long const&, int const&)':
/usr/include/gtest/gtest.h:1328: undefined reference to `testing::internal::EqFailure(char const*, char const*, testing::internal::String const&, testing::internal::String const&, bool)'
CMakeFiles/shogun-unit-test.dir/io/Parser_unittest.cc.o: In function `testing::AssertionResult testing::internal::CmpHelperEQ<int, int>(char const*, char const*, int const&, int const&)':
/usr/include/gtest/gtest.h:1328: undefined reference to `testing::internal::EqFailure(char const*, char const*, testing::internal::String const&, testing::internal::String const&, bool)'
CMakeFiles/shogun-unit-test.dir/io/Parser_unittest.cc.o: In function `testing::AssertionResult testing::internal::CmpHelperEQ<double, double>(char const*, char const*, double const&, double const&)':
/usr/include/gtest/gtest.h:1328: undefined reference to `testing::internal::EqFailure(char const*, char const*, testing::internal::String const&, testing::internal::String const&, bool)'
CMakeFiles/shogun-unit-test.dir/mathematics/ajd/JADiag_unittest.cc.o: In function `testing::AssertionResult testing::internal::CmpHelperEQ<bool, bool>(char const*, char const*, bool const&, bool const&)':
/usr/include/gtest/gtest.h:1328: undefined reference to `testing::internal::EqFailure(char const*, char const*, testing::internal::String const&, testing::internal::String const&, bool)'
collect2: ld returned 1 exit status
make[2]: *** [tests/unit/shogun-unit-test] Error 1
make[1]: *** [tests/unit/CMakeFiles/shogun-unit-test.dir/all] Error 2
make: *** [all] Error 2