godot/modules/squish/SCsub

#!/usr/bin/env python

Import('env')
Import('env_modules')

env_squish = env_modules.Clone()

# Thirdparty source files
if env['builtin_squish']:
    thirdparty_dir = "#thirdparty/squish/"
    thirdparty_sources = [
        "alpha.cpp",
        "clusterfit.cpp",
        "colourblock.cpp",
        "colourfit.cpp",
        "colourset.cpp",
        "maths.cpp",
        "rangefit.cpp",
        "singlecolourfit.cpp",
        "squish.cpp",
    ]

    thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]

    env_squish.add_source_files(env.modules_sources, thirdparty_sources)
    env_squish.Append(CPPPATH=[thirdparty_dir])

# Godot source files
env_squish.add_source_files(env.modules_sources, "*.cpp")