import os import sys from typing import TYPE_CHECKING from methods import detect_darwin_sdk_path, get_compiler_version, is_vanilla_clang, print_error, print_warning from platform_methods import detect_arch, detect_mvk if TYPE_CHECKING: from SCons.Script.SConscript import SConsEnvironment # To match other platforms STACK_SIZE = 8388608 STACK_SIZE_SANITIZERS = 30 * 1024 * 1024 def get_name(): return "macOS" def can_build(): if sys.platform == "darwin" or ("OSXCROSS_ROOT" in os.environ): return True return False def get_opts(): from SCons.Variables import BoolVariable, EnumVariable return [ ("osxcross_sdk", "OSXCross SDK version", "darwin16"), ("MACOS_SDK_PATH", "Path to the macOS SDK", ""), ("vulkan_sdk_path", "Path to the Vulkan SDK", ""), EnumVariable("macports_clang", "Build using Clang from MacPorts", "no", ("no", "5.0", "devel")), BoolVariable("use_ubsan", "Use LLVM/GCC compiler undefined behavior sanitizer (UBSAN)", False), BoolVariable("use_asan", "Use LLVM/GCC compiler address sanitizer (ASAN)", False), BoolVariable("use_tsan", "Use LLVM/GCC compiler thread sanitizer (TSAN)", False), BoolVariable("use_coverage", "Use instrumentation codes in the binary (e.g. for code coverage)", False), ("angle_libs", "Path to the ANGLE static libraries", ""), ( "bundle_sign_identity", "The 'Full Name', 'Common Name' or SHA-1 hash of the signing identity used to sign editor .app bundle.", "-", ), BoolVariable("generate_bundle", "Generate an APP bundle after building iOS/macOS binaries", False), ] def get_doc_classes(): return [ "EditorExportPlatformMacOS", ] def get_doc_path(): return "doc_classes" def get_flags(): return { "arch": detect_arch(), "use_volk": False, "metal": True, "supported": ["metal", "mono"], } 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 macOS. Supported architectures are: %s.' % (env["arch"], ", ".join(supported_arches)) ) sys.exit(255) ## Build type if env["target"] == "template_release": if env["arch"] != "arm64": env.Prepend(CCFLAGS=["-msse2"]) elif env.dev_build: env.Prepend(LINKFLAGS=["-Xlinker", "-no_deduplicate"]) ## Compiler configuration # Save this in environment for use by other modules if "OSXCROSS_ROOT" in os.environ: env["osxcross"] = True # CPU architecture. if env["arch"] == "arm64": print("Building for macOS 11.0+.") env.Append(ASFLAGS=["-arch", "arm64", "-mmacosx-version-min=11.0"]) env.Append(CCFLAGS=["-arch", "arm64", "-mmacosx-version-min=11.0"]) env.Append(LINKFLAGS=["-arch", "arm64", "-mmacosx-version-min=11.0"]) elif env["arch"] == "x86_64": print("Building for macOS 10.13+.") env.Append(ASFLAGS=["-arch", "x86_64", "-mmacosx-version-min=10.13"]) env.Append(CCFLAGS=["-arch", "x86_64", "-mmacosx-version-min=10.13"]) env.Append(LINKFLAGS=["-arch", "x86_64", "-mmacosx-version-min=10.13"]) env.Append(CCFLAGS=["-ffp-contract=off"]) cc_version = get_compiler_version(env) cc_version_major = cc_version["apple_major"] cc_version_minor = cc_version["apple_minor"] vanilla = is_vanilla_clang(env) # Workaround for Xcode 15 linker bug. if not vanilla and cc_version_major == 1500 and cc_version_minor == 0: env.Prepend(LINKFLAGS=["-ld_classic"]) env.Append(CCFLAGS=["-fobjc-arc"]) if "osxcross" not in env: # regular native build if env["macports_clang"] != "no": mpprefix = os.environ.get("MACPORTS_PREFIX", "/opt/local") mpclangver = env["macports_clang"] env["CC"] = mpprefix + "/libexec/llvm-" + mpclangver + "/bin/clang" env["CXX"] = mpprefix + "/libexec/llvm-" + mpclangver + "/bin/clang++" env["AR"] = mpprefix + "/libexec/llvm-" + mpclangver + "/bin/llvm-ar" env["RANLIB"] = mpprefix + "/libexec/llvm-" + mpclangver + "/bin/llvm-ranlib" env["AS"] = mpprefix + "/libexec/llvm-" + mpclangver + "/bin/llvm-as" else: env["CC"] = "clang" env["CXX"] = "clang++" detect_darwin_sdk_path("macos", env) env.Append(CCFLAGS=["-isysroot", "$MACOS_SDK_PATH"]) env.Append(LINKFLAGS=["-isysroot", "$MACOS_SDK_PATH"]) else: # osxcross build 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"] + "-" ccache_path = os.environ.get("CCACHE") if ccache_path is None: env["CC"] = basecmd + "cc" env["CXX"] = basecmd + "c++" else: # there aren't any ccache wrappers available for macOS cross-compile, # to enable caching we need to prepend the path to the ccache binary env["CC"] = ccache_path + " " + basecmd + "cc" env["CXX"] = ccache_path + " " + basecmd + "c++" env["AR"] = basecmd + "ar" env["RANLIB"] = basecmd + "ranlib" env["AS"] = basecmd + "as" # LTO if env["lto"] == "auto": # LTO benefits for macOS (size, performance) haven't been clearly established yet. 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"]) # Sanitizers if env["use_ubsan"] or env["use_asan"] or env["use_tsan"]: env.extra_suffix += ".san" env.Append(CCFLAGS=["-DSANITIZERS_ENABLED"]) if env["use_ubsan"]: env.Append( CCFLAGS=[ "-fsanitize=undefined,shift,shift-exponent,integer-divide-by-zero,unreachable,vla-bound,null,return,signed-integer-overflow,bounds,float-divide-by-zero,float-cast-overflow,nonnull-attribute,returns-nonnull-attribute,bool,enum,vptr,pointer-overflow,builtin" ] ) env.Append(LINKFLAGS=["-fsanitize=undefined"]) env.Append(CCFLAGS=["-fsanitize=nullability-return,nullability-arg,function,nullability-assign"]) if env["use_asan"]: env.Append(CCFLAGS=["-fsanitize=address,pointer-subtract,pointer-compare"]) env.Append(LINKFLAGS=["-fsanitize=address"]) if env["use_tsan"]: env.Append(CCFLAGS=["-fsanitize=thread"]) env.Append(LINKFLAGS=["-fsanitize=thread"]) env.Append(LINKFLAGS=["-Wl,-stack_size," + hex(STACK_SIZE_SANITIZERS)]) else: env.Append(LINKFLAGS=["-Wl,-stack_size," + hex(STACK_SIZE)]) if env["use_coverage"]: env.Append(CCFLAGS=["-ftest-coverage", "-fprofile-arcs"]) env.Append(LINKFLAGS=["-ftest-coverage", "-fprofile-arcs"]) ## Dependencies if env["builtin_libtheora"] and env["arch"] == "x86_64": env["x86_libtheora_opt_gcc"] = True ## Flags env.Prepend(CPPPATH=["#platform/macos"]) env.Append(CPPDEFINES=["MACOS_ENABLED", "UNIX_ENABLED", "COREAUDIO_ENABLED", "COREMIDI_ENABLED"]) env.Append( LINKFLAGS=[ "-framework", "Cocoa", "-framework", "Carbon", "-framework", "AudioUnit", "-framework", "CoreAudio", "-framework", "CoreMIDI", "-framework", "IOKit", "-framework", "GameController", "-framework", "CoreHaptics", "-framework", "CoreVideo", "-framework", "AVFoundation", "-framework", "CoreMedia", "-framework", "QuartzCore", "-framework", "Security", ] ) env.Append(LIBS=["pthread", "z"]) if env["opengl3"]: env.Append(CPPDEFINES=["GLES3_ENABLED"]) if env["angle_libs"] != "": env.AppendUnique(CPPDEFINES=["EGL_STATIC"]) env.Append(LINKFLAGS=["-L" + env["angle_libs"]]) env.Append(LINKFLAGS=["-lANGLE.macos." + env["arch"]]) env.Append(LINKFLAGS=["-lEGL.macos." + env["arch"]]) env.Append(LINKFLAGS=["-lGLES.macos." + env["arch"]]) env.Prepend(CPPPATH=["#thirdparty/angle/include"]) env.Append(LINKFLAGS=["-rpath", "@executable_path/../Frameworks", "-rpath", "@executable_path"]) if env["metal"] and env["arch"] != "arm64": print_warning("Target architecture '{}' does not support the Metal rendering driver".format(env["arch"])) env["metal"] = False extra_frameworks = set() if env["metal"]: env.AppendUnique(CPPDEFINES=["METAL_ENABLED", "RD_ENABLED"]) extra_frameworks.add("Metal") extra_frameworks.add("MetalKit") env.Prepend(CPPPATH=["#thirdparty/spirv-cross"]) if env["vulkan"]: env.AppendUnique(CPPDEFINES=["VULKAN_ENABLED", "RD_ENABLED"]) extra_frameworks.add("Metal") extra_frameworks.add("IOSurface") if not env["use_volk"]: env.Append(LINKFLAGS=["-lMoltenVK"]) mvk_path = "" arch_variants = ["macos-arm64_x86_64", "macos-" + env["arch"]] for arch in arch_variants: mvk_path = detect_mvk(env, arch) if mvk_path != "": mvk_path = os.path.join(mvk_path, arch) break if mvk_path != "": env.Append(LINKFLAGS=["-L" + mvk_path]) else: print_error( "MoltenVK SDK installation directory not found, use 'vulkan_sdk_path' SCons parameter to specify SDK path." ) sys.exit(255) if len(extra_frameworks) > 0: frameworks = [item for key in extra_frameworks for item in ["-framework", key]] env.Append(LINKFLAGS=frameworks)