Performing C++ SOURCE FILE Test CXX14_BUILTIN failed with the following output: Change Dir: /home/boulund/TTT/lambda_test/src/lambda_build/release/CMakeFiles/CMakeTmp Run Build Command:"/usr/bin/gmake" "cmTC_22d7f/fast" /usr/bin/gmake -f CMakeFiles/cmTC_22d7f.dir/build.make CMakeFiles/cmTC_22d7f.dir/build gmake[1]: Entering directory `/storage/boulund/TTT/lambda_test/src/lambda_build/release/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_22d7f.dir/src.cxx.o /storage/boulund/TTT/lambda_test/src/gcc/bin/g++ -DCXX14_BUILTIN -o CMakeFiles/cmTC_22d7f.dir/src.cxx.o -c /home/boulund/TTT/lambda_test/src/lambda_build/release/CMakeFiles/CMakeTmp/src.cxx /home/boulund/TTT/lambda_test/src/lambda_build/release/CMakeFiles/CMakeTmp/src.cxx:2:6: error: #error NOCXX14 #error NOCXX14 ^ gmake[1]: *** [CMakeFiles/cmTC_22d7f.dir/src.cxx.o] Error 1 gmake[1]: Leaving directory `/storage/boulund/TTT/lambda_test/src/lambda_build/release/CMakeFiles/CMakeTmp' gmake: *** [cmTC_22d7f/fast] Error 2 Source file was: #if !defined(__cplusplus) || (__cplusplus < 201300L) #error NOCXX14 #endif int main() {}