using GOA to port libraries

[Pirmin Duss]

Hello Genodians

As part of a project, I will port WasmEdge [1] to Genode.

As WasmEdge uses cmake as build system my idea is to use GOA to port it. 
There is already a port of WasmEdge to the SEL4 kernel [2].

WasmEdge uses several libraries of which some also use cmake as build 
system.

To start small I first want to port the `spdlog` library. Before working 
on the big dependency in form of the `lld` library from the `llvm` project.

If I issue `goa build` successfully runs `cmake` but building fails 
afterward. There are a lot of `[-Werror=effc++]`.

I tired different ways to set `CC_CXX_WARN_STRICT=` in the files 
`cmake_args` and `make_args`. Unfortunately none of them helped.

Can anybody give me some hints how I could achive this?

My project is located at [3].

Regards,
Pirmin

[1] https://github.com/WasmEdge/WasmEdge
[2] https://github.com/second-state/wasmedge-seL4.git
[3] https://github.com/trimpim/wasmedge-genode