drop the "clangxx works" check from the vecmathlib age
@@ -574,51 +574,6 @@ ${TYPEDEF}" "typedef struct { char x; ${TYPE} y; } ac__type_alignof_;
endmacro()
-####################################################################
-#
-# clangxx works check
-#
-
-# TODO clang + vecmathlib doesn't work on Windows yet...
-if(CLANGXX AND (NOT WIN32) AND ENABLE_HOST_CPU_DEVICES)
-
- message(STATUS "Checking if clang++ works (required by vecmathlib)")
-
- set(CXX_WORKS 0)
- set(CXX_STDLIB "")
-
- if(NOT DEFINED CLANGXX_WORKS)
-
- custom_try_compile_clangxx("namespace std { class type_info; } \n #include <iostream> \n #include <type_traits>" "std::cout << \"Hello clang++ world!\" << std::endl;" _STATUS_FAIL "-std=c++11")
-
- if(NOT _STATUS_FAIL)
- set(CXX_WORKS 1)
- else()
- custom_try_compile_clangxx("namespace std { class type_info; } \n #include <iostream> \n #include <type_traits>" "std::cout << \"Hello clang++ world!\" << std::endl;" _STATUS_FAIL "-stdlib=libstdc++" "-std=c++11")
- if (NOT _STATUS_FAIL)
- set(CXX_STDLIB "-stdlib=libstdc++")
- set(CXX_WORKS 1)
- else()
- custom_try_compile_clangxx("namespace std { class type_info; } \n #include <iostream> \n #include <type_traits>" "std::cout << \"Hello clang++ world!\" << std::endl;" _STATUS_FAIL "-stdlib=libc++" "-std=c++11")
- if(NOT _STATUS_FAIL)
- set(CXX_STDLIB "-stdlib=libc++")
- set(CXX_WORKS 1)
- endif()
- endif()
- endif()
-
- set(CLANGXX_WORKS ${CXX_WORKS} CACHE INTERNAL "Clang++ ")
- set(CLANGXX_STDLIB ${CXX_STDLIB} CACHE INTERNAL "Clang++ stdlib")
- endif()
-
-
-endif()
-
-if(CLANGXX_STDLIB AND (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
- set(LLVM_CXXFLAGS "${CLANGXX_STDLIB} ${LLVM_CXXFLAGS}")
- set(LLVM_LDFLAGS "${CLANGXX_STDLIB} ${LLVM_LDFLAGS}")
-endif()
-
####################################################################
#
# - '-DNDEBUG' is a work-around for llvm bug 18253
