I initially tried to use Meson for a small emscripten project targeting WASM, but it seemed stuck on the idea that I was cross-compiling (technically true), and

I initially tried to use Meson for a small emscripten project targeting WASM, but it seemed stuck on the idea that I was cross-compiling (technically true), and this seemed to make everything more complicated. With CMake I was able to hack together a working build configuration without too much trouble. I just had to tell it that I wanted to use emscripten as the compiler.