godot/modules/basis_universal/SCsub

#!/usr/bin/env python

Import("env")
Import("env_modules")

env_basisu = env_modules.Clone()

# Thirdparty source files

thirdparty_obj = []

# Not unbundled so far since not widespread as shared library
thirdparty_dir = "#thirdparty/basis_universal/"
tool_sources = [
    "basisu_astc_decomp.cpp",
    "basisu_backend.cpp",
    "basisu_basis_file.cpp",
    "basisu_comp.cpp",
    "basisu_enc.cpp",
    "basisu_etc.cpp",
    "basisu_frontend.cpp",
    "basisu_global_selector_palette_helpers.cpp",
    "basisu_gpu_texture.cpp",
    "basisu_pvrtc1_4.cpp",
    "basisu_resample_filters.cpp",
    "basisu_resampler.cpp",
    "basisu_ssim.cpp",
    "lodepng.cpp",
]
tool_sources = [thirdparty_dir + file for file in tool_sources]
transcoder_sources = [thirdparty_dir + "transcoder/basisu_transcoder.cpp"]

# Treat Basis headers as system headers to avoid raising warnings. Not supported on MSVC.
if not env.msvc:
    env_basisu.Append(
        CPPFLAGS=["-isystem", Dir(thirdparty_dir).path, "-isystem", Dir(thirdparty_dir + "transcoder").path]
    )
else:
    env_basisu.Prepend(CPPPATH=[thirdparty_dir, thirdparty_dir + "transcoder"])

if env["target"] == "debug":
    env_basisu.Append(CPPFLAGS=["-DBASISU_DEVEL_MESSAGES=1", "-DBASISD_ENABLE_DEBUG_FLAGS=1"])

env_thirdparty = env_basisu.Clone()
env_thirdparty.disable_warnings()
if env["tools"]:
    env_thirdparty.add_source_files(thirdparty_obj, tool_sources)
env_thirdparty.add_source_files(thirdparty_obj, transcoder_sources)
env.modules_sources += thirdparty_obj

# Godot source files

module_obj = []

env_basisu.add_source_files(module_obj, "*.cpp")
env.modules_sources += module_obj

# Needed to force rebuilding the module files when the thirdparty library is updated.
env.Depends(module_obj, thirdparty_obj)