Point scikit-build-core towards a subdirectory when building

[JackAshwell11]

I have a project structure like this:

root
├─ src
│   ├─ py
│   │   ├── run.py
│   └─ ext
│       ├── main.cpp
│       ├── CMakeLists.txt
│       └── CMakePresets.json
├── pyproject.toml

How would I go about structuring the pyproject so that scikit-build-core builds the ext project.

[henryiii]

[tool.scikit-build]
cmake.source-dir = "src/ext"
wheel.packages = ["src/py"]

If your project is named py, you don't need the final line above.

[JackAshwell11]

This works now, thanks. Also if my CMake project used presets and a dependency manager like vcpkg (which requires triplets for each platform), how would I specify the preset to use. I've currently got, but it doesn't seem to be working:

[[tool.scikit-build.overrides]]
if.platform-system = "$win32"
cmake.args = [ "--preset WinRelease"]

[[tool.scikit-build.overrides]]
if.platform-system = "$linux"
cmake.args = ["--preset LinuxRelease"]

[henryiii]

cmake.args = [ "--preset", "WinRelease"] perhaps?

[JackAshwell11]

That would work on windows, but on Linux, it would need LinuxRelease

[henryiii]

No, I meant

[[tool.scikit-build.overrides]]
if.platform-system = "^win32"
cmake.args = [ "--preset", "WinRelease"]

[[tool.scikit-build.overrides]]
if.platform-system = "^linux"
cmake.args = ["--preset", "LinuxRelease"]

[henryiii]

Ahh, it’s '^', not '$'.