553 lines
19 KiB
Python
553 lines
19 KiB
Python
#!/usr/bin/env python
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import os
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import platform
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import sys
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import subprocess
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from binding_generator import scons_generate_bindings, scons_emit_files
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if sys.version_info < (3,):
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def decode_utf8(x):
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return x
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else:
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import codecs
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def decode_utf8(x):
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return codecs.utf_8_decode(x)[0]
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# Workaround for MinGW. See:
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# http://www.scons.org/wiki/LongCmdLinesOnWin32
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if os.name == "nt":
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import subprocess
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def mySubProcess(cmdline, env):
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# print "SPAWNED : " + cmdline
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startupinfo = subprocess.STARTUPINFO()
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startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
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proc = subprocess.Popen(
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cmdline,
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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startupinfo=startupinfo,
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shell=False,
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env=env,
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)
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data, err = proc.communicate()
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rv = proc.wait()
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if rv:
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print("=====")
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print(err.decode("utf-8"))
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print("=====")
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return rv
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def mySpawn(sh, escape, cmd, args, env):
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newargs = " ".join(args[1:])
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cmdline = cmd + " " + newargs
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rv = 0
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if len(cmdline) > 32000 and cmd.endswith("ar"):
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cmdline = cmd + " " + args[1] + " " + args[2] + " "
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for i in range(3, len(args)):
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rv = mySubProcess(cmdline + args[i], env)
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if rv:
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break
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else:
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rv = mySubProcess(cmdline, env)
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return rv
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def add_sources(sources, dir, extension):
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for f in os.listdir(dir):
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if f.endswith("." + extension):
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sources.append(dir + "/" + f)
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# Try to detect the host platform automatically.
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# This is used if no `platform` argument is passed
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if sys.platform.startswith("linux"):
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host_platform = "linux"
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elif sys.platform.startswith("freebsd"):
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host_platform = "freebsd"
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elif sys.platform == "darwin":
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host_platform = "osx"
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elif sys.platform == "win32" or sys.platform == "msys":
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host_platform = "windows"
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else:
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raise ValueError("Could not detect platform automatically, please specify with platform=<platform>")
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env = Environment(ENV=os.environ)
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opts = Variables([], ARGUMENTS)
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opts.Add(
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EnumVariable(
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"platform",
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"Target platform",
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host_platform,
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allowed_values=("linux", "freebsd", "osx", "windows", "android", "ios", "javascript"),
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ignorecase=2,
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)
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)
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opts.Add(BoolVariable("use_llvm", "Use the LLVM compiler - only effective when targeting Linux or FreeBSD", False))
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opts.Add(BoolVariable("use_mingw", "Use the MinGW compiler instead of MSVC - only effective on Windows", False))
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# Must be the same setting as used for cpp_bindings
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opts.Add(EnumVariable("target", "Compilation target", "debug", allowed_values=("debug", "release"), ignorecase=2))
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opts.Add(
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PathVariable(
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"headers_dir", "Path to the directory containing Godot headers", "godot-headers", PathVariable.PathIsDir
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)
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)
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opts.Add(PathVariable("custom_api_file", "Path to a custom JSON API file", None, PathVariable.PathIsFile))
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opts.Add(
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BoolVariable("generate_bindings", "Force GDExtension API bindings generation. Auto-detected by default.", False)
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)
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opts.Add("macos_deployment_target", "macOS deployment target", "default")
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opts.Add("macos_sdk_path", "macOS SDK path", "")
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opts.Add(BoolVariable("ios_simulator", "Target iOS Simulator", False))
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opts.Add(
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"IPHONEPATH",
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"Path to iPhone toolchain",
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"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain",
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)
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opts.Add(
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"android_api_level",
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"Target Android API level",
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"18" if "32" in ARGUMENTS.get("arch", "arm64") else "21",
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)
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opts.Add(
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"ANDROID_NDK_ROOT",
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"Path to your Android NDK installation. By default, uses ANDROID_NDK_ROOT from your defined environment variables.",
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os.environ.get("ANDROID_NDK_ROOT", None),
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)
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opts.Add(BoolVariable("generate_template_get_node", "Generate a template version of the Node class's get_node.", True))
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opts.Add(BoolVariable("build_library", "Build the godot-cpp library.", True))
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opts.Add(EnumVariable("float", "Floating-point precision", "32", ("32", "64")))
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# CPU architecture options.
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architecture_array = ["", "universal", "x86_32", "x86_64", "arm32", "arm64", "rv64", "ppc32", "ppc64", "wasm32"]
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architecture_aliases = {
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"x64": "x86_64",
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"amd64": "x86_64",
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"armv7": "arm32",
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"armv8": "arm64",
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"arm64v8": "arm64",
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"aarch64": "arm64",
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"rv": "rv64",
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"riscv": "rv64",
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"riscv64": "rv64",
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"ppcle": "ppc32",
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"ppc": "ppc32",
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"ppc64le": "ppc64",
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}
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opts.Add(EnumVariable("arch", "CPU architecture", "", architecture_array, architecture_aliases))
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opts.Update(env)
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Help(opts.GenerateHelpText(env))
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# Process CPU architecture argument.
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if env["arch"] == "":
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# No architecture specified. Default to arm64 if building for Android,
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# universal if building for macOS or iOS, wasm32 if building for web,
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# otherwise default to the host architecture.
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if env["platform"] in ["osx", "ios"]:
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env["arch"] = "universal"
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elif env["platform"] == "android":
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env["arch"] = "arm64"
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elif env["platform"] == "javascript":
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env["arch"] = "wasm32"
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else:
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host_machine = platform.machine().lower()
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if host_machine in architecture_array:
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env["arch"] = host_machine
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elif host_machine in architecture_aliases.keys():
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env["arch"] = architecture_aliases[host_machine]
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elif "86" in host_machine:
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# Catches x86, i386, i486, i586, i686, etc.
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env["arch"] = "x86_32"
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else:
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print("Unsupported CPU architecture: " + host_machine)
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Exit()
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# We use this to re-set env["arch"] anytime we call opts.Update(env).
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env_arch = env["arch"]
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# Detect and print a warning listing unknown SCons variables to ease troubleshooting.
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unknown = opts.UnknownVariables()
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if unknown:
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print("WARNING: Unknown SCons variables were passed and will be ignored:")
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for item in unknown.items():
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print(" " + item[0] + "=" + item[1])
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print("Building for architecture " + env["arch"] + " on platform " + env["platform"])
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# This makes sure to keep the session environment variables on Windows.
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# This way, you can run SCons in a Visual Studio 2017 prompt and it will find
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# all the required tools
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if host_platform == "windows" and env["platform"] != "android":
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if env["arch"] == "x86_64":
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env = Environment(TARGET_ARCH="amd64")
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elif env["arch"] == "x86_32":
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env = Environment(TARGET_ARCH="x86")
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opts.Update(env)
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env["arch"] = env_arch
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# Require C++17
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if host_platform == "windows" and env["platform"] == "windows" and not env["use_mingw"]:
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# MSVC
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env.Append(CXXFLAGS=["/std:c++17"])
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else:
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env.Append(CXXFLAGS=["-std=c++17"])
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if env["target"] == "debug":
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env.Append(CPPDEFINES=["DEBUG_ENABLED", "DEBUG_METHODS_ENABLED"])
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if env["float"] == "64":
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env.Append(CPPDEFINES=["REAL_T_IS_DOUBLE"])
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if env["platform"] == "linux" or env["platform"] == "freebsd":
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if env["use_llvm"]:
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env["CXX"] = "clang++"
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env.Append(CCFLAGS=["-fPIC", "-Wwrite-strings"])
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env.Append(LINKFLAGS=["-Wl,-R,'$$ORIGIN'"])
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if env["target"] == "debug":
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env.Append(CCFLAGS=["-Og", "-g"])
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elif env["target"] == "release":
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env.Append(CCFLAGS=["-O3"])
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if env["arch"] == "x86_64":
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# -m64 and -m32 are x86-specific already, but it doesn't hurt to
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# be clear and also specify -march=x86-64. Similar with 32-bit.
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env.Append(CCFLAGS=["-m64", "-march=x86-64"])
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env.Append(LINKFLAGS=["-m64", "-march=x86-64"])
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elif env["arch"] == "x86_32":
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env.Append(CCFLAGS=["-m32", "-march=i686"])
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env.Append(LINKFLAGS=["-m32", "-march=i686"])
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elif env_arch == "arm64":
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env.Append(CCFLAGS=["-march=armv8-a"])
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env.Append(LINKFLAGS=["-march=armv8-a"])
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elif env_arch == "rv64":
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env.Append(CCFLAGS=["-march=rv64gc"])
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env.Append(LINKFLAGS=["-march=rv64gc"])
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elif env["platform"] == "osx":
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if env["arch"] not in ("universal", "arm64", "x86_64"):
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print("Only universal, arm64, and x86_64 are supported on macOS. Exiting.")
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Exit()
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# Use Clang on macOS by default
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env["CXX"] = "clang++"
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if env["arch"] == "universal":
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env.Append(LINKFLAGS=["-arch", "x86_64", "-arch", "arm64"])
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env.Append(CCFLAGS=["-arch", "x86_64", "-arch", "arm64"])
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else:
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env.Append(LINKFLAGS=["-arch", env["arch"]])
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env.Append(CCFLAGS=["-arch", env["arch"]])
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if env["macos_deployment_target"] != "default":
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env.Append(CCFLAGS=["-mmacosx-version-min=" + env["macos_deployment_target"]])
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env.Append(LINKFLAGS=["-mmacosx-version-min=" + env["macos_deployment_target"]])
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if env["macos_sdk_path"]:
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env.Append(CCFLAGS=["-isysroot", env["macos_sdk_path"]])
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env.Append(LINKFLAGS=["-isysroot", env["macos_sdk_path"]])
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env.Append(
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LINKFLAGS=[
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"-framework",
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"Cocoa",
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"-Wl,-undefined,dynamic_lookup",
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]
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)
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if env["target"] == "debug":
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env.Append(CCFLAGS=["-Og", "-g"])
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elif env["target"] == "release":
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env.Append(CCFLAGS=["-O3"])
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elif env["platform"] == "ios":
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if env["arch"] not in ("universal", "arm64", "x86_64"):
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print("Only universal, arm64, and x86_64 are supported on iOS. Exiting.")
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Exit()
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if env["ios_simulator"]:
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sdk_name = "iphonesimulator"
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env.Append(CCFLAGS=["-mios-simulator-version-min=10.0"])
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else:
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sdk_name = "iphoneos"
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env.Append(CCFLAGS=["-miphoneos-version-min=10.0"])
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try:
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sdk_path = decode_utf8(subprocess.check_output(["xcrun", "--sdk", sdk_name, "--show-sdk-path"]).strip())
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except (subprocess.CalledProcessError, OSError):
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raise ValueError("Failed to find SDK path while running xcrun --sdk {} --show-sdk-path.".format(sdk_name))
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compiler_path = env["IPHONEPATH"] + "/usr/bin/"
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env["ENV"]["PATH"] = env["IPHONEPATH"] + "/Developer/usr/bin/:" + env["ENV"]["PATH"]
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env["CC"] = compiler_path + "clang"
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env["CXX"] = compiler_path + "clang++"
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env["AR"] = compiler_path + "ar"
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env["RANLIB"] = compiler_path + "ranlib"
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env["SHLIBSUFFIX"] = ".dylib"
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if env["arch"] == "universal":
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if env["ios_simulator"]:
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env.Append(LINKFLAGS=["-arch", "x86_64", "-arch", "arm64"])
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env.Append(CCFLAGS=["-arch", "x86_64", "-arch", "arm64"])
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else:
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env.Append(LINKFLAGS=["-arch", "arm64"])
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env.Append(CCFLAGS=["-arch", "arm64"])
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else:
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env.Append(LINKFLAGS=["-arch", env["arch"]])
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env.Append(CCFLAGS=["-arch", env["arch"]])
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env.Append(CCFLAGS=["-isysroot", sdk_path])
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env.Append(LINKFLAGS=["-isysroot", sdk_path, "-F" + sdk_path])
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if env["target"] == "debug":
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env.Append(CCFLAGS=["-Og", "-g"])
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elif env["target"] == "release":
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env.Append(CCFLAGS=["-O3"])
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elif env["platform"] == "windows":
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if host_platform == "windows" and not env["use_mingw"]:
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# MSVC
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env.Append(CPPDEFINES=["TYPED_METHOD_BIND"])
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env.Append(LINKFLAGS=["/WX"])
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if env["target"] == "debug":
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env.Append(CCFLAGS=["/Z7", "/Od", "/EHsc", "/D_DEBUG", "/MDd"])
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elif env["target"] == "release":
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env.Append(CCFLAGS=["/O2", "/EHsc", "/DNDEBUG", "/MD"])
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elif host_platform == "linux" or host_platform == "freebsd" or host_platform == "osx":
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# Cross-compilation using MinGW
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if env["arch"] == "x86_64":
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env["CXX"] = "x86_64-w64-mingw32-g++"
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env["AR"] = "x86_64-w64-mingw32-ar"
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env["RANLIB"] = "x86_64-w64-mingw32-ranlib"
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env["LINK"] = "x86_64-w64-mingw32-g++"
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elif env["arch"] == "x86_32":
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env["CXX"] = "i686-w64-mingw32-g++"
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env["AR"] = "i686-w64-mingw32-ar"
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env["RANLIB"] = "i686-w64-mingw32-ranlib"
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env["LINK"] = "i686-w64-mingw32-g++"
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elif host_platform == "windows" and env["use_mingw"]:
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# Don't Clone the environment. Because otherwise, SCons will pick up msvc stuff.
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env = Environment(ENV=os.environ, tools=["mingw"])
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opts.Update(env)
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env["arch"] = env_arch
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# Still need to use C++17.
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env.Append(CCFLAGS=["-std=c++17"])
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# Don't want lib prefixes
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env["IMPLIBPREFIX"] = ""
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env["SHLIBPREFIX"] = ""
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# Long line hack. Use custom spawn, quick AR append (to avoid files with the same names to override each other).
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env["SPAWN"] = mySpawn
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env.Replace(ARFLAGS=["q"])
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# Native or cross-compilation using MinGW
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if host_platform == "linux" or host_platform == "freebsd" or host_platform == "osx" or env["use_mingw"]:
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# These options are for a release build even using target=debug
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env.Append(CCFLAGS=["-O3", "-Wwrite-strings"])
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env.Append(
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LINKFLAGS=[
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"--static",
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"-Wl,--no-undefined",
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"-static-libgcc",
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"-static-libstdc++",
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]
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)
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elif env["platform"] == "android":
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if env["arch"] not in ("arm64", "x86_64", "arm32", "x86_32"):
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print("Only arm64, x86_64, arm32, and x86_32 are supported on Android. Exiting.")
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Exit()
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if host_platform == "windows":
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# Don't Clone the environment. Because otherwise, SCons will pick up msvc stuff.
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env = Environment(ENV=os.environ, tools=["mingw"])
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opts.Update(env)
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env["arch"] = env_arch
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# Long line hack. Use custom spawn, quick AR append (to avoid files with the same names to override each other).
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env["SPAWN"] = mySpawn
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env.Replace(ARFLAGS=["q"])
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# Verify NDK root
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if not "ANDROID_NDK_ROOT" in env:
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raise ValueError(
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"To build for Android, ANDROID_NDK_ROOT must be defined. Please set ANDROID_NDK_ROOT to the root folder of your Android NDK installation."
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)
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# Validate API level
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api_level = int(env["android_api_level"])
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if "64" in env["arch"] and api_level < 21:
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print("WARN: 64-bit Android architectures require an API level of at least 21; setting android_api_level=21")
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env["android_api_level"] = "21"
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api_level = 21
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# Setup toolchain
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toolchain = env["ANDROID_NDK_ROOT"] + "/toolchains/llvm/prebuilt/"
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if host_platform == "windows":
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toolchain += "windows"
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import platform as pltfm
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if pltfm.machine().endswith("64"):
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toolchain += "-x86_64"
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elif host_platform == "linux":
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toolchain += "linux-x86_64"
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elif host_platform == "osx":
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toolchain += "darwin-x86_64"
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env.PrependENVPath("PATH", toolchain + "/bin") # This does nothing half of the time, but we'll put it here anyways
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# Get architecture info
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arch_info_table = {
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"arm32": {
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"march": "armv7-a",
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"target": "armv7a-linux-androideabi",
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"tool_path": "arm-linux-androideabi",
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"compiler_path": "armv7a-linux-androideabi",
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"ccflags": ["-mfpu=neon"],
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},
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"arm64": {
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"march": "armv8-a",
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"target": "aarch64-linux-android",
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"tool_path": "aarch64-linux-android",
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"compiler_path": "aarch64-linux-android",
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"ccflags": [],
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},
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"x86_32": {
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"march": "i686",
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"target": "i686-linux-android",
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"tool_path": "i686-linux-android",
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"compiler_path": "i686-linux-android",
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"ccflags": ["-mstackrealign"],
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},
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"x86_64": {
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"march": "x86-64",
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"target": "x86_64-linux-android",
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"tool_path": "x86_64-linux-android",
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"compiler_path": "x86_64-linux-android",
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"ccflags": [],
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},
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}
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arch_info = arch_info_table[env["arch"]]
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# Setup tools
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env["CC"] = toolchain + "/bin/clang"
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env["CXX"] = toolchain + "/bin/clang++"
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env["AR"] = toolchain + "/bin/" + arch_info["tool_path"] + "-ar"
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env["SHLIBSUFFIX"] = ".so"
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env.Append(
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CCFLAGS=["--target=" + arch_info["target"] + env["android_api_level"], "-march=" + arch_info["march"], "-fPIC"]
|
|
) # , '-fPIE', '-fno-addrsig', '-Oz'])
|
|
env.Append(CCFLAGS=arch_info["ccflags"])
|
|
env.Append(LINKFLAGS=["--target=" + arch_info["target"] + env["android_api_level"], "-march=" + arch_info["march"]])
|
|
|
|
if env["target"] == "debug":
|
|
env.Append(CCFLAGS=["-Og", "-g"])
|
|
elif env["target"] == "release":
|
|
env.Append(CCFLAGS=["-O3"])
|
|
|
|
elif env["platform"] == "javascript":
|
|
if env["arch"] not in ("wasm32"):
|
|
print("Only wasm32 supported on web. Exiting.")
|
|
Exit()
|
|
|
|
if host_platform == "windows":
|
|
env = Environment(ENV=os.environ, tools=["cc", "c++", "ar", "link", "textfile", "zip"])
|
|
opts.Update(env)
|
|
env["arch"] = env_arch
|
|
else:
|
|
env["ENV"] = os.environ
|
|
|
|
env["CC"] = "emcc"
|
|
env["CXX"] = "em++"
|
|
env["AR"] = "emar"
|
|
env["RANLIB"] = "emranlib"
|
|
env.Append(CPPFLAGS=["-s", "SIDE_MODULE=1"])
|
|
env.Append(LINKFLAGS=["-s", "SIDE_MODULE=1"])
|
|
env["SHOBJSUFFIX"] = ".bc"
|
|
env["SHLIBSUFFIX"] = ".wasm"
|
|
# Use TempFileMunge since some AR invocations are too long for cmd.exe.
|
|
# Use POSIX-style paths, required with TempFileMunge.
|
|
env["ARCOM_POSIX"] = env["ARCOM"].replace("$TARGET", "$TARGET.posix").replace("$SOURCES", "$SOURCES.posix")
|
|
env["ARCOM"] = "${TEMPFILE(ARCOM_POSIX)}"
|
|
|
|
# All intermediate files are just LLVM bitcode.
|
|
env["OBJPREFIX"] = ""
|
|
env["OBJSUFFIX"] = ".bc"
|
|
env["PROGPREFIX"] = ""
|
|
# Program() output consists of multiple files, so specify suffixes manually at builder.
|
|
env["PROGSUFFIX"] = ""
|
|
env["LIBPREFIX"] = "lib"
|
|
env["LIBSUFFIX"] = ".a"
|
|
env["LIBPREFIXES"] = ["$LIBPREFIX"]
|
|
env["LIBSUFFIXES"] = ["$LIBSUFFIX"]
|
|
env.Replace(SHLINKFLAGS="$LINKFLAGS")
|
|
env.Replace(SHLINKFLAGS="$LINKFLAGS")
|
|
|
|
if env["target"] == "debug":
|
|
env.Append(CCFLAGS=["-O0", "-g"])
|
|
elif env["target"] == "release":
|
|
env.Append(CCFLAGS=["-O3"])
|
|
|
|
# Generate bindings
|
|
env.Append(BUILDERS={"GenerateBindings": Builder(action=scons_generate_bindings, emitter=scons_emit_files)})
|
|
json_api_file = ""
|
|
|
|
if "custom_api_file" in env:
|
|
json_api_file = env["custom_api_file"]
|
|
else:
|
|
json_api_file = os.path.join(os.getcwd(), env["headers_dir"], "extension_api.json")
|
|
|
|
bindings = env.GenerateBindings(
|
|
env.Dir("."), [json_api_file, os.path.join(env["headers_dir"], "godot", "gdnative_interface.h")]
|
|
)
|
|
|
|
# Forces bindings regeneration.
|
|
if env["generate_bindings"]:
|
|
AlwaysBuild(bindings)
|
|
|
|
# Includes
|
|
env.Append(CPPPATH=[[env.Dir(d) for d in [env["headers_dir"], "include", os.path.join("gen", "include")]]])
|
|
|
|
# Sources to compile
|
|
sources = []
|
|
add_sources(sources, "src", "cpp")
|
|
add_sources(sources, "src/classes", "cpp")
|
|
add_sources(sources, "src/core", "cpp")
|
|
add_sources(sources, "src/variant", "cpp")
|
|
sources.extend([f for f in bindings if str(f).endswith(".cpp")])
|
|
|
|
env["arch_suffix"] = env["arch"]
|
|
if env["ios_simulator"]:
|
|
env["arch_suffix"] += ".simulator"
|
|
|
|
library = None
|
|
env["OBJSUFFIX"] = ".{}.{}.{}{}".format(env["platform"], env["target"], env["arch_suffix"], env["OBJSUFFIX"])
|
|
library_name = "libgodot-cpp.{}.{}.{}{}".format(env["platform"], env["target"], env["arch_suffix"], env["LIBSUFFIX"])
|
|
|
|
if env["build_library"]:
|
|
library = env.StaticLibrary(target=env.File("bin/%s" % library_name), source=sources)
|
|
Default(library)
|
|
|
|
env.Append(LIBPATH=[env.Dir("bin")])
|
|
env.Append(LIBS=library_name)
|
|
Return("env")
|