import os import sys from methods import detect_darwin_sdk_path from platform_methods import detect_arch from typing import TYPE_CHECKING if TYPE_CHECKING: from SCons import Environment def is_active(): return True 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), ] def get_flags(): return [ ("arch", detect_arch()), ("use_volk", False), ] def get_mvk_sdk_path(): def int_or_zero(i): try: return int(i) except: return 0 def ver_parse(a): return [int_or_zero(i) for i in a.split(".")] dirname = os.path.expanduser("~/VulkanSDK") if not os.path.exists(dirname): return "" ver_file = "0.0.0.0" ver_num = ver_parse(ver_file) files = os.listdir(dirname) for file in files: if os.path.isdir(os.path.join(dirname, file)): ver_comp = ver_parse(file) lib_name = os.path.join( os.path.join(dirname, file), "MoltenVK/MoltenVK.xcframework/macos-arm64_x86_64/libMoltenVK.a" ) if os.path.isfile(lib_name) and ver_comp > ver_num: ver_num = ver_comp ver_file = file return os.path.join(os.path.join(dirname, ver_file), "MoltenVK/MoltenVK.xcframework/macos-arm64_x86_64/") def configure(env: "Environment"): # Validate arch. supported_arches = ["x86_64", "arm64"] if env["arch"] not in supported_arches: print( 'Unsupported CPU architecture "%s" for macOS. Supported architectures are: %s.' % (env["arch"], ", ".join(supported_arches)) ) sys.exit() ## 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 10.12+.") env.Append(ASFLAGS=["-arch", "x86_64", "-mmacosx-version-min=10.12"]) env.Append(CCFLAGS=["-arch", "x86_64", "-mmacosx-version-min=10.12"]) env.Append(LINKFLAGS=["-arch", "x86_64", "-mmacosx-version-min=10.12"]) env.Append(CCFLAGS=["-fobjc-arc"]) if not "osxcross" 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 OS X 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"]) 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", "ForceFeedback", "-framework", "CoreVideo", "-framework", "AVFoundation", "-framework", "CoreMedia", "-framework", "QuartzCore", ] ) env.Append(LIBS=["pthread", "z"]) if env["opengl3"]: env.Append(CPPDEFINES=["GLES3_ENABLED"]) env.Append(LINKFLAGS=["-framework", "OpenGL"]) env.Append(LINKFLAGS=["-rpath", "@executable_path/../Frameworks", "-rpath", "@executable_path"]) if env["vulkan"]: env.Append(CPPDEFINES=["VULKAN_ENABLED"]) env.Append(LINKFLAGS=["-framework", "Metal", "-framework", "IOSurface"]) if not env["use_volk"]: env.Append(LINKFLAGS=["-lMoltenVK"]) mvk_found = False mvk_list = [get_mvk_sdk_path(), "/opt/homebrew/lib", "/usr/local/homebrew/lib", "/opt/local/lib"] if env["vulkan_sdk_path"] != "": mvk_list.insert(0, os.path.expanduser(env["vulkan_sdk_path"])) mvk_list.insert( 0, os.path.join( os.path.expanduser(env["vulkan_sdk_path"]), "MoltenVK/MoltenVK.xcframework/macos-arm64_x86_64/" ), ) for mvk_path in mvk_list: if mvk_path and os.path.isfile(os.path.join(mvk_path, "libMoltenVK.a")): mvk_found = True print("MoltenVK found at: " + mvk_path) env.Append(LINKFLAGS=["-L" + mvk_path]) break if not mvk_found: print( "MoltenVK SDK installation directory not found, use 'vulkan_sdk_path' SCons parameter to specify SDK path." ) sys.exit(255)