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import os
import sys
from methods import detect_darwin_sdk_path
def is_active():
return True
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 [
(
"IPHONEPATH",
"Path to iPhone toolchain",
"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain",
),
("IPHONESDK", "Path to the iPhone SDK", ""),
BoolVariable(
"use_static_mvk",
"Link MoltenVK statically as Level-0 driver (better portability) or use Vulkan ICD loader (enables"
" validation layers)",
False,
),
BoolVariable("ios_simulator", "Build for iOS Simulator", False),
BoolVariable("ios_exceptions", "Enable exceptions", False),
("ios_triple", "Triple for ios toolchain", ""),
]
def get_flags():
return [
("tools", False),
]
def configure(env):
## Build type
if env["target"].startswith("release"):
env.Append(CPPDEFINES=["NDEBUG", ("NS_BLOCK_ASSERTIONS", 1)])
if env["optimize"] == "speed": # optimize for speed (default)
env.Append(CCFLAGS=["-O2", "-ftree-vectorize", "-fomit-frame-pointer"])
env.Append(LINKFLAGS=["-O2"])
else: # optimize for size
env.Append(CCFLAGS=["-Os", "-ftree-vectorize"])
env.Append(LINKFLAGS=["-Os"])
if env["target"] == "release_debug":
env.Append(CPPDEFINES=["DEBUG_ENABLED"])
elif env["target"] == "debug":
env.Append(CCFLAGS=["-gdwarf-2", "-O0"])
env.Append(CPPDEFINES=["_DEBUG", ("DEBUG", 1), "DEBUG_ENABLED"])
if env["use_lto"]:
env.Append(CCFLAGS=["-flto"])
env.Append(LINKFLAGS=["-flto"])
## Architecture
if env["arch"] == "x86": # i386
env["bits"] = "32"
elif env["arch"] == "x86_64":
env["bits"] = "64"
elif env["arch"] == "arm" or env["arch"] == "arm32" or env["arch"] == "armv7" or env["bits"] == "32": # arm
env["arch"] = "arm"
env["bits"] = "32"
else: # armv64
env["arch"] = "arm64"
env["bits"] = "64"
## Compiler configuration
# Save this in environment for use by other modules
if "OSXCROSS_IOS" in os.environ:
env["osxcross"] = True
env["ENV"]["PATH"] = env["IPHONEPATH"] + "/Developer/usr/bin/:" + env["ENV"]["PATH"]
compiler_path = "$IPHONEPATH/usr/bin/${ios_triple}"
s_compiler_path = "$IPHONEPATH/Developer/usr/bin/"
ccache_path = os.environ.get("CCACHE")
if ccache_path is None:
env["CC"] = compiler_path + "clang"
env["CXX"] = compiler_path + "clang++"
env["S_compiler"] = s_compiler_path + "gcc"
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 + " " + s_compiler_path + "gcc"
env["AR"] = compiler_path + "ar"
env["RANLIB"] = compiler_path + "ranlib"
## Compile flags
if env["ios_simulator"]:
detect_darwin_sdk_path("iphonesimulator", env)
env.Append(CCFLAGS=["-mios-simulator-version-min=13.0"])
env.Append(LINKFLAGS=["-mios-simulator-version-min=13.0"])
env.extra_suffix = ".simulator" + env.extra_suffix
else:
detect_darwin_sdk_path("iphone", env)
env.Append(CCFLAGS=["-miphoneos-version-min=11.0"])
env.Append(LINKFLAGS=["-miphoneos-version-min=11.0"])
if env["arch"] == "x86" or env["arch"] == "x86_64":
env["ENV"]["MACOSX_DEPLOYMENT_TARGET"] = "10.9"
arch_flag = "i386" if env["arch"] == "x86" else env["arch"]
env.Append(
CCFLAGS=(
"-fobjc-arc -arch "
+ arch_flag
+ " -fobjc-abi-version=2 -fobjc-legacy-dispatch -fmessage-length=0 -fpascal-strings -fblocks"
" -fasm-blocks -isysroot $IPHONESDK"
).split()
)
elif env["arch"] == "arm":
env.Append(
CCFLAGS=(
"-fobjc-arc -arch armv7 -fmessage-length=0 -fno-strict-aliasing"
" -fdiagnostics-print-source-range-info -fdiagnostics-show-category=id -fdiagnostics-parseable-fixits"
" -fpascal-strings -fblocks -isysroot $IPHONESDK -fvisibility=hidden -mthumb"
' "-DIBOutlet=__attribute__((iboutlet))"'
' "-DIBOutletCollection(ClassName)=__attribute__((iboutletcollection(ClassName)))"'
' "-DIBAction=void)__attribute__((ibaction)" -MMD -MT dependencies'.split()
)
)
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 $IPHONESDK".split()
)
)
env.Append(CPPDEFINES=["NEED_LONG_INT"])
env.Append(CPPDEFINES=["LIBYUV_DISABLE_NEON"])
# Disable exceptions on non-tools (template) builds
if not env["tools"]:
if env["ios_exceptions"]:
env.Append(CCFLAGS=["-fexceptions"])
else:
env.Append(CCFLAGS=["-fno-exceptions"])
# Temp fix for ABS/MAX/MIN macros in iPhone SDK blocking compilation
env.Append(CCFLAGS=["-Wno-ambiguous-macro"])
## Link flags
if env["arch"] == "x86" or env["arch"] == "x86_64":
arch_flag = "i386" if env["arch"] == "x86" else env["arch"]
env.Append(
LINKFLAGS=[
"-arch",
arch_flag,
"-isysroot",
"$IPHONESDK",
"-Xlinker",
"-objc_abi_version",
"-Xlinker",
"2",
"-F$IPHONESDK",
]
)
elif env["arch"] == "arm":
env.Append(LINKFLAGS=["-arch", "armv7", "-Wl,-dead_strip"])
if env["arch"] == "arm64":
env.Append(LINKFLAGS=["-arch", "arm64", "-Wl,-dead_strip"])
env.Append(
LINKFLAGS=[
"-isysroot",
"$IPHONESDK",
]
)
env.Prepend(
CPPPATH=[
"$IPHONESDK/usr/include",
"$IPHONESDK/System/Library/Frameworks/AudioUnit.framework/Headers",
]
)
env["ENV"]["CODESIGN_ALLOCATE"] = "/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/codesign_allocate"
env.Prepend(CPPPATH=["#platform/iphone"])
env.Append(CPPDEFINES=["IPHONE_ENABLED", "UNIX_ENABLED", "COREAUDIO_ENABLED"])
env.Append(CPPDEFINES=["VULKAN_ENABLED"])
env.Append(LINKFLAGS=["-framework", "IOSurface"])
# Use Static Vulkan for iOS. Dynamic Framework works fine too.
env.Append(LINKFLAGS=["-framework", "MoltenVK"])
env["builtin_vulkan"] = False
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