Clone the repo into a folder like this:
aseprite\
aseprite\ --> github.com/firodj/aseprite.git#macos_bundle
skia\ --> github.com/aseprite/skia.git#aseprite-m102
chromium\
depot_tools\ --> chromium.googlesource.com/chromium/tools/depot_tools.git
MacOS
Go to aseptire\skia first an do following Building Skia.
Next create build folder aseprite\build and do these following Compiling Aseprite:
cmake
-DCMAKE_BUILD_TYPE=RelWithDebInfo
-DCMAKE_OSX_ARCHITECTURES=x86_64
-DLAF_BACKEND=skia
-DSKIA_DIR=<PATH>/skia
-DSKIA_LIBRARY_DIR=<PATH>/aseprite/skia/out/Release-x64
-DSKIA_LIBRARY=<PATH>/aseprite/skia/out/Release-x64/libskia.a
-G Ninja
..
WINDOWS
TODO