# Lean runs `main` on a helper thread by default; Cocoa only creates a video device on the main thread.
export LEAN_MAIN_USE_THREAD := if os() == "macos" { "0" } else { "1" }

_default:
    @just --list


[doc: "Build the general test app"]
[group: "build"]
build-test-app:
    @just _build test-app
    @just _perform_nix_patch test-app

[doc: "Build the general test app"]
[group: "run"]
run-test-app: build-test-app
    .lake/build/bin/test-app

[doc: "Build the webcam demo"]
[group: "build"]
build-webcam-demo:
    @just _build webcam-app
    @just _perform_nix_patch webcam-app

[doc: "Run the webcam demo"]
[group: "run"]
run-webcam-demo: build-webcam-demo
    .lake/build/bin/webcam-app


_build binary-name:
    lake build {{binary-name}} --verbose

[linux]
_perform_nix_patch binary-name:
    patchelf --set-interpreter /usr/lib/ld-linux-x86-64.so.2 .lake/build/bin/{{binary-name}}
    patchelf --set-rpath '$ORIGIN:/usr/lib' .lake/build/bin/{{binary-name}}

[macos]
_perform_nix_patch binary-name:
    @true


# Build the C version of the SDL3 webcam
[group: "C_build"]
build-c-webcam-demo:
    @just _build-c-example examples/sdl-webcam-example.c c-webcam-example

[group: "C_build"]
build-c-gamepad-example:
    @just _build-c-example examples/sdl-gamepad-example.c c-gamepad-example

# Build one of the C SDL3 examples
[group: "C_build"]
_build-c-example c-sourcefile binary-name:
    gcc -lSDL3 {{c-sourcefile}} -o {{binary-name}}