Simplify preprocessor configuration file

Author: patrickroberts

CMakeLists.txt

@@ -58,8 +58,6 @@ else()
     )
 endif()
 
-string(TOLOWER "${BEMAN_ANY_VIEW_OPTION}" BEMAN_ANY_VIEW_OPTION)
-
 configure_file(
     "${PROJECT_SOURCE_DIR}/include/beman/any_view/config.hpp.in"
     "${PROJECT_BINARY_DIR}/include/beman/any_view/config.hpp"

include/beman/any_view/config.hpp.in

@@ -10,10 +10,13 @@
 #cmakedefine01 BEMAN_ANY_VIEW_USE_COPYABLE()
 #cmakedefine01 BEMAN_ANY_VIEW_USE_MOVE_ONLY()
 
-// clang-format off
-#define BEMAN_ANY_VIEW_OPTION() @BEMAN_ANY_VIEW_OPTION@
-#define BEMAN_ANY_VIEW_OPTION_(suffix) @BEMAN_ANY_VIEW_OPTION@_##suffix
-// clang-format on
+#if BEMAN_ANY_VIEW_USE_COPYABLE()
+#define BEMAN_ANY_VIEW_OPTION() copyable
+#define BEMAN_ANY_VIEW_OPTION_(suffix) copyable_##suffix
+#elif BEMAN_ANY_VIEW_USE_MOVE_ONLY()
+#define BEMAN_ANY_VIEW_OPTION() move_only
+#define BEMAN_ANY_VIEW_OPTION_(suffix) move_only_##suffix
+#endif
 
 #define BEMAN_ANY_VIEW_CAT(a, b) a##b