The system is: Linux - 5.10.133-gentoo - x86_64 Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" succeeded. Compiler: /usr/bin/hipcc Build flags: -O2;-pipe;-march=x86-64;-frecord-gcc-switches;-fno-diagnostics-color;-fmessage-length=0;-flto;-Werror=odr;-Werror=lto-type-mismatch;-Werror=strict-aliasing Id flags: -c The output was: 0 warning: unknown warning option '-Werror=lto-type-mismatch'; did you mean '-Werror=selector-type-mismatch'? [-Wunknown-warning-option] 1 warning generated when compiling for gfx803. warning: unknown warning option '-Werror=lto-type-mismatch'; did you mean '-Werror=selector-type-mismatch'? [-Wunknown-warning-option] 1 warning generated when compiling for host. Compilation of the CXX compiler identification source "CMakeCXXCompilerId.cpp" produced "CMakeCXXCompilerId.o" Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" succeeded. Compiler: /usr/bin/hipcc Build flags: -O2;-pipe;-march=x86-64;-frecord-gcc-switches;-fno-diagnostics-color;-fmessage-length=0;-flto;-Werror=odr;-Werror=lto-type-mismatch;-Werror=strict-aliasing Id flags: -c;-I__does_not_exist__ The output was: 0 warning: unknown warning option '-Werror=lto-type-mismatch'; did you mean '-Werror=selector-type-mismatch'? [-Wunknown-warning-option] 1 warning generated when compiling for gfx803. warning: unknown warning option '-Werror=lto-type-mismatch'; did you mean '-Werror=selector-type-mismatch'? [-Wunknown-warning-option] 1 warning generated when compiling for host. Compilation of the CXX compiler identification source "CMakeCXXCompilerId.cpp" produced "CMakeCXXCompilerId.o" Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" succeeded. Compiler: /usr/bin/hipcc Build flags: 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/sci-libs/hipCUB-5.0.2/work/hipCUB-rocm-5.0.2_build/CMakeFiles/3.23.3/CompilerIdCXX/a.out"