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import os
import sys
import common_compiler_flags
def has_osxcross():
return "OSXCROSS_ROOT" in os.environ
def options(opts):
opts.Add("macos_deployment_target", "macOS deployment target", "default")
opts.Add("macos_sdk_path", "macOS SDK path", "")
if has_osxcross():
opts.Add("osxcross_sdk", "OSXCross SDK version", "darwin16")
def exists(env):
return sys.platform == "darwin" or has_osxcross()
def generate(env):
if env["arch"] not in ("universal", "arm64", "x86_64"):
print("Only universal, arm64, and x86_64 are supported on macOS. Exiting.")
env.Exit(1)
if sys.platform == "darwin":
# Use clang on macOS by default
env["CXX"] = "clang++"
env["CC"] = "clang"
else:
# OSXCross
root = os.environ.get("OSXCROSS_ROOT", "")
if env["arch"] == "arm64":
basecmd = root + "/target/bin/arm64-apple-" + env["osxcross_sdk"] + "-"
else:
basecmd = root + "/target/bin/x86_64-apple-" + env["osxcross_sdk"] + "-"
env["CC"] = basecmd + "clang"
env["CXX"] = basecmd + "clang++"
env["AR"] = basecmd + "ar"
env["RANLIB"] = basecmd + "ranlib"
env["AS"] = basecmd + "as"
binpath = os.path.join(root, "target", "bin")
if binpath not in env["ENV"]["PATH"]:
# Add OSXCROSS bin folder to PATH (required for linking).
env.PrependENVPath("PATH", binpath)
# Common flags
if env["arch"] == "universal":
env.Append(LINKFLAGS=["-arch", "x86_64", "-arch", "arm64"])
env.Append(CCFLAGS=["-arch", "x86_64", "-arch", "arm64"])
else:
env.Append(LINKFLAGS=["-arch", env["arch"]])
env.Append(CCFLAGS=["-arch", env["arch"]])
if env["macos_deployment_target"] != "default":
env.Append(CCFLAGS=["-mmacosx-version-min=" + env["macos_deployment_target"]])
env.Append(LINKFLAGS=["-mmacosx-version-min=" + env["macos_deployment_target"]])
if env["macos_sdk_path"]:
env.Append(CCFLAGS=["-isysroot", env["macos_sdk_path"]])
env.Append(LINKFLAGS=["-isysroot", env["macos_sdk_path"]])
env.Append(
LINKFLAGS=[
"-framework",
"Cocoa",
"-Wl,-undefined,dynamic_lookup",
]
)
env.Append(CPPDEFINES=["MACOS_ENABLED", "UNIX_ENABLED"])
# Refer to https://github.com/godotengine/godot/blob/master/platform/macos/detect.py
# LTO benefits for macOS (size, performance) haven't been clearly established yet.
if env["lto"] == "auto":
env["lto"] = "none"
common_compiler_flags.generate(env)
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