Haowei Hsu

> For now it is not possible, as the build system of openssl-3 uses lot of perl scripts to generate headers depending of input args. So a pure cmake project...

If this `DIRECTORY` option can be provided, I would like to use it like this: ```cmake get_cmake_property(is_multi_config GENERATOR_IS_MULTI_CONFIG) if(is_multi_config) # Multi-Config Generator foreach(type Debug;Release) conan_cmake_configure( DIRECTORY "./${type}" # generate 'conanfile.txt'...

@xahon Excuse me. What does **"GA"** stand for?

I think the reason comes from the value of [`CMAKE__COMPILER_FRONTEND_VARIANT`](https://cmake.org/cmake/help/latest/variable/CMAKE_LANG_COMPILER_FRONTEND_VARIANT.html). - Its value will be `GNU` if we specify `clang.exe/clang++.exe` as the compiler. - Its value will be `MSVC` if...

@memsharded Are you saying, It's **"not"** possible/reasonable/recommended to use CMake-Conan with `CMakeToolchain` generator?

> Can somebody clarify this? I would also like to use cmake-conan (but with an existing conanfile.py) because this would integrate with IDEs which doesn't have a good conan integration...

@czoido @memsharded If `CMakeToolchain` generator is **NOT** appropriate to use with CMake-Conan, should it add some **NOTES** on `README.md` to tell users not to use it?

@jhandley, May I ask, is it **normal** to add `YAML_CPP_DLL` macro ourselves **manually**? Or is it a **bug** required to be fixed, which means yaml-cpp should add this `YAML_CPP_DLL` macro...

## Details of Research ### 0. Prepare the project Steps: - Download the following example code, and then unzip it. - Open the folder in **VSCode**. - Install **CMake-Tools** extension....

@lasote How do I test the result of this PR?