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import os
import sys
from typing import TYPE_CHECKING
from methods import detect_darwin_sdk_path, print_error
if TYPE_CHECKING:
from SCons.Script.SConscript import SConsEnvironment
def get_name():
return "iOS"
def can_build():
if sys.platform == "darwin" or ("OSXCROSS_IOS" in os.environ):
return True
return False
def get_opts():
from SCons.Variables import BoolVariable
return [
("vulkan_sdk_path", "Path to the Vulkan SDK", ""),
(
"IOS_TOOLCHAIN_PATH",
"Path to iOS toolchain",
"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain",
),
("IOS_SDK_PATH", "Path to the iOS SDK", ""),
BoolVariable("ios_simulator", "Build for iOS Simulator", False),
("ios_triple", "Triple for ios toolchain", ""),
BoolVariable("generate_bundle", "Generate an APP bundle after building iOS/macOS binaries", False),
]
def get_doc_classes():
return [
"EditorExportPlatformIOS",
]
def get_doc_path():
return "doc_classes"
def get_flags():
return {
"arch": "arm64",
"target": "template_debug",
"use_volk": False,
"supported": ["mono"],
"builtin_pcre2_with_jit": False,
}
def configure(env: "SConsEnvironment"):
# Validate arch.
supported_arches = ["x86_64", "arm64"]
if env["arch"] not in supported_arches:
print_error(
'Unsupported CPU architecture "%s" for iOS. Supported architectures are: %s.'
% (env["arch"], ", ".join(supported_arches))
)
sys.exit(255)
## LTO
if env["lto"] == "auto": # Disable by default as it makes linking in Xcode very slow.
env["lto"] = "none"
if env["lto"] != "none":
if env["lto"] == "thin":
env.Append(CCFLAGS=["-flto=thin"])
env.Append(LINKFLAGS=["-flto=thin"])
else:
env.Append(CCFLAGS=["-flto"])
env.Append(LINKFLAGS=["-flto"])
## Compiler configuration
# Save this in environment for use by other modules
if "OSXCROSS_IOS" in os.environ:
env["osxcross"] = True
env["ENV"]["PATH"] = env["IOS_TOOLCHAIN_PATH"] + "/Developer/usr/bin/:" + env["ENV"]["PATH"]
compiler_path = "$IOS_TOOLCHAIN_PATH/usr/bin/${ios_triple}"
ccache_path = os.environ.get("CCACHE")
if ccache_path is None:
env["CC"] = compiler_path + "clang"
env["CXX"] = compiler_path + "clang++"
env["S_compiler"] = compiler_path + "clang"
else:
# there aren't any ccache wrappers available for iOS,
# to enable caching we need to prepend the path to the ccache binary
env["CC"] = ccache_path + " " + compiler_path + "clang"
env["CXX"] = ccache_path + " " + compiler_path + "clang++"
env["S_compiler"] = ccache_path + " " + compiler_path + "clang"
env["AR"] = compiler_path + "ar"
env["RANLIB"] = compiler_path + "ranlib"
## Compile flags
if env["ios_simulator"]:
detect_darwin_sdk_path("iossimulator", env)
env.Append(ASFLAGS=["-mios-simulator-version-min=12.0"])
env.Append(CCFLAGS=["-mios-simulator-version-min=12.0"])
env.Append(CPPDEFINES=["IOS_SIMULATOR"])
env.extra_suffix = ".simulator" + env.extra_suffix
else:
detect_darwin_sdk_path("ios", env)
env.Append(ASFLAGS=["-miphoneos-version-min=12.0"])
env.Append(CCFLAGS=["-miphoneos-version-min=12.0"])
if env["arch"] == "x86_64":
if not env["ios_simulator"]:
print_error("Building for iOS with 'arch=x86_64' requires 'ios_simulator=yes'.")
sys.exit(255)
env["ENV"]["MACOSX_DEPLOYMENT_TARGET"] = "10.9"
env.Append(
CCFLAGS=(
"-fobjc-arc -arch x86_64"
" -fobjc-abi-version=2 -fobjc-legacy-dispatch -fmessage-length=0 -fpascal-strings -fblocks"
" -fasm-blocks -isysroot $IOS_SDK_PATH"
).split()
)
env.Append(ASFLAGS=["-arch", "x86_64"])
elif env["arch"] == "arm64":
env.Append(
CCFLAGS=(
"-fobjc-arc -arch arm64 -fmessage-length=0 -fno-strict-aliasing"
" -fdiagnostics-print-source-range-info -fdiagnostics-show-category=id -fdiagnostics-parseable-fixits"
" -fpascal-strings -fblocks -fvisibility=hidden -MMD -MT dependencies"
" -isysroot $IOS_SDK_PATH".split()
)
)
env.Append(ASFLAGS=["-arch", "arm64"])
# Temp fix for ABS/MAX/MIN macros in iOS SDK blocking compilation
env.Append(CCFLAGS=["-Wno-ambiguous-macro"])
env.Prepend(
CPPPATH=[
"$IOS_SDK_PATH/usr/include",
"$IOS_SDK_PATH/System/Library/Frameworks/AudioUnit.framework/Headers",
]
)
env.Prepend(CPPPATH=["#platform/ios"])
env.Append(CPPDEFINES=["IOS_ENABLED", "UNIX_ENABLED", "COREAUDIO_ENABLED"])
if env["vulkan"]:
env.Append(CPPDEFINES=["VULKAN_ENABLED", "RD_ENABLED"])
if env["opengl3"]:
env.Append(CPPDEFINES=["GLES3_ENABLED", "GLES_SILENCE_DEPRECATION"])
env.Prepend(
CPPPATH=[
"$IOS_SDK_PATH/System/Library/Frameworks/OpenGLES.framework/Headers",
]
)
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