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import os
import sys
import subprocess
import ios_osxcross
from SCons.Variables import *
if sys.version_info < (3,):
def decode_utf8(x):
return x
else:
import codecs
def decode_utf8(x):
return codecs.utf_8_decode(x)[0]
def options(opts):
opts.Add(BoolVariable("ios_simulator", "Target iOS Simulator", False))
opts.Add("ios_min_version", "Target minimum iphoneos/iphonesimulator version", "10.0")
opts.Add(
"IOS_TOOLCHAIN_PATH",
"Path to iOS toolchain",
"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain",
)
opts.Add("IOS_SDK_PATH", "Path to the iOS SDK", "")
ios_osxcross.options(opts)
def exists(env):
return sys.platform == "darwin" or ios_osxcross.exists(env)
def generate(env):
if env["arch"] not in ("universal", "arm64", "x86_64"):
print("Only universal, arm64, and x86_64 are supported on iOS. Exiting.")
Exit()
if env["ios_simulator"]:
sdk_name = "iphonesimulator"
env.Append(CCFLAGS=["-mios-simulator-version-min=" + env["ios_min_version"]])
else:
sdk_name = "iphoneos"
env.Append(CCFLAGS=["-miphoneos-version-min=" + env["ios_min_version"]])
if sys.platform == "darwin":
if env["IOS_SDK_PATH"] == "":
try:
env["IOS_SDK_PATH"] = decode_utf8(
subprocess.check_output(["xcrun", "--sdk", sdk_name, "--show-sdk-path"]).strip()
)
except (subprocess.CalledProcessError, OSError):
raise ValueError(
"Failed to find SDK path while running xcrun --sdk {} --show-sdk-path.".format(sdk_name)
)
compiler_path = env["IOS_TOOLCHAIN_PATH"] + "/usr/bin/"
env["CC"] = compiler_path + "clang"
env["CXX"] = compiler_path + "clang++"
env["AR"] = compiler_path + "ar"
env["RANLIB"] = compiler_path + "ranlib"
env["SHLIBSUFFIX"] = ".dylib"
env["ENV"]["PATH"] = env["IOS_TOOLCHAIN_PATH"] + "/Developer/usr/bin/:" + env["ENV"]["PATH"]
else:
ios_osxcross.generate(env)
if env["arch"] == "universal":
if env["ios_simulator"]:
env.Append(LINKFLAGS=["-arch", "x86_64", "-arch", "arm64"])
env.Append(CCFLAGS=["-arch", "x86_64", "-arch", "arm64"])
else:
env.Append(LINKFLAGS=["-arch", "arm64"])
env.Append(CCFLAGS=["-arch", "arm64"])
else:
env.Append(LINKFLAGS=["-arch", env["arch"]])
env.Append(CCFLAGS=["-arch", env["arch"]])
env.Append(CCFLAGS=["-isysroot", env["IOS_SDK_PATH"]])
env.Append(LINKFLAGS=["-isysroot", env["IOS_SDK_PATH"], "-F" + env["IOS_SDK_PATH"]])
if env["target"] == "debug":
env.Append(CCFLAGS=["-Og", "-g"])
elif env["target"] == "release":
env.Append(CCFLAGS=["-O3"])
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