via CMake's configure argument -DLBSTD_VERSION_NS=<custom_namespace>
The macro for name of namespace will be LB_STD_VERSION_NS (with underscore, inconsistent, yes).
Another tasks:
[x] Passthrough the CMake arg to C++ #define;
[x] Test in tests/CMakeLists.txt for checking the baked C++ namespace's name with baked into CMake;
via CMake's configure argument
-DLBSTD_VERSION_NS=<custom_namespace>
The macro for name of namespace will beLB_STD_VERSION_NS
(with underscore, inconsistent, yes). Another tasks:tests/CMakeLists.txt
for checking the baked C++ namespace's name with baked into CMake;