CHECK_C_SOURCE_RUNS("
      int main()
      {
        return (__clang_major__ < 10);
      }" HAVE_SUPPORTED_CLANG_VERSION)

CHECK_C_SOURCE_RUNS("
      int main()
      {
        return (__clang_major__ < 6);
      }" HAVE_SUPPORTED_CLANG_VERSION)

CHECK_C_SOURCE_RUNS("
      int main()
      {
        return (__clang_major__ < 10);
      }" HAVE_SUPPORTED_CLANG_VERSION)

CHECK_C_SOURCE_RUNS("
      int main()
      {
        return (__clang_major__ < 10);
      }" HAVE_SUPPORTED_CLANG_VERSION)

CHECK_C_SOURCE_RUNS("
      int main()
      {
        return (__clang_major__ < 6);
      }" HAVE_SUPPORTED_CLANG_VERSION)

CHECK_C_SOURCE_RUNS("
      int main()
      {
        return (__clang_major__ < 10);
      }" HAVE_SUPPORTED_CLANG_VERSION)

CHECK_C_SOURCE_RUNS("
      int main()
      {
        return (__clang_major__ < 10);
      }" HAVE_SUPPORTED_CLANG_VERSION)

CHECK_C_SOURCE_RUNS("
      int main()
      {
        return (__clang_major__ < 6);
      }" HAVE_SUPPORTED_CLANG_VERSION)

CHECK_C_SOURCE_RUNS("
      int main()
      {
        return (__clang_major__ < 10);
      }" HAVE_SUPPORTED_CLANG_VERSION)

CHECK_C_SOURCE_RUNS("
      int main()
      {
        return (__clang_major__ < 6);
      }" HAVE_SUPPORTED_CLANG_VERSION)

CHECK_C_SOURCE_RUNS("
      int main()
      {
        return (__clang_major__ < 10);
      }" HAVE_SUPPORTED_CLANG_VERSION)

CHECK_C_SOURCE_RUNS("
      int main()
      {
        return (__clang_major__ < 6);
      }" HAVE_SUPPORTED_CLANG_VERSION)

CHECK_C_SOURCE_RUNS("
      int main()
      {
        return (__clang_major__ < 10);
      }" HAVE_SUPPORTED_CLANG_VERSION)