The system is: Linux - 4.12.5 - x86_64
Compiling the C compiler identification source file "CMakeCCompilerId.c" succeeded.
Compiler: /usr/lib/llvm/4/bin/x86_64-pc-linux-gnu-clang 
Build flags: -O2;-pipe;-march=native;-Wall
Id flags:  

The output was:
0


Compilation of the C compiler identification source "CMakeCCompilerId.c" produced "a.out"

The C compiler identification is Clang, found in "/var/tmp/portage/sys-libs/compiler-rt-4.0.1/work/compiler-rt-4.0.1_build/CMakeFiles/3.9.0/CompilerIdC/a.out"

Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" succeeded.
Compiler: /usr/lib/llvm/4/bin/x86_64-pc-linux-gnu-clang++ 
Build flags: -O2;-pipe;-march=native
Id flags:  

The output was:
0


Compilation of the CXX compiler identification source "CMakeCXXCompilerId.cpp" produced "a.out"

The CXX compiler identification is Clang, found in "/var/tmp/portage/sys-libs/compiler-rt-4.0.1/work/compiler-rt-4.0.1_build/CMakeFiles/3.9.0/CompilerIdCXX/a.out"