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#!/usr/bin/env python
from misc.utility.scons_hints import *
Import("env")
env_metal = env.Clone()
# Thirdparty source files
thirdparty_obj = []
thirdparty_dir = "#thirdparty/spirv-cross/"
thirdparty_sources = [
"spirv_cfg.cpp",
"spirv_cross_util.cpp",
"spirv_cross.cpp",
"spirv_parser.cpp",
"spirv_msl.cpp",
"spirv_reflect.cpp",
"spirv_glsl.cpp",
"spirv_cross_parsed_ir.cpp",
]
thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]
env_metal.Prepend(CPPPATH=[thirdparty_dir, thirdparty_dir + "/include"])
# Must enable exceptions for SPIRV-Cross; otherwise, it will abort the process on errors.
if "-fno-exceptions" in env_metal["CXXFLAGS"]:
env_metal["CXXFLAGS"].remove("-fno-exceptions")
env_metal.Append(CXXFLAGS=["-fexceptions"])
env_thirdparty = env_metal.Clone()
env_thirdparty.disable_warnings()
env_thirdparty.add_source_files(thirdparty_obj, thirdparty_sources)
env_metal.drivers_sources += thirdparty_obj
# Enable C++20 for the Objective-C++ Metal code, which uses C++20 concepts.
if "-std=gnu++17" in env_metal["CXXFLAGS"]:
env_metal["CXXFLAGS"].remove("-std=gnu++17")
env_metal.Append(CXXFLAGS=["-std=c++20"])
# Driver source files
driver_obj = []
env_metal.add_source_files(driver_obj, "*.mm")
env.drivers_sources += driver_obj
# Needed to force rebuilding the driver files when the thirdparty library is updated.
env.Depends(driver_obj, thirdparty_obj)
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