mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2024-12-20 19:06:53 +01:00
fe5d1cc8ff
Fixup to #63288. See #65583 for the bug report. Co-authored-by: Cyberrebell <chainsaw75@web.de> (cherry picked from commit 35a15e619161798820b2bd6ff46178c5b7ccebcf)
203 lines
7.1 KiB
Python
203 lines
7.1 KiB
Python
import os
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import sys
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import platform
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import subprocess
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def is_active():
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return True
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def get_name():
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return "Android"
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def can_build():
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return os.path.exists(get_env_android_sdk_root())
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def get_opts():
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from SCons.Variables import BoolVariable, EnumVariable
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return [
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("ANDROID_SDK_ROOT", "Path to the Android SDK", get_env_android_sdk_root()),
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("ndk_platform", 'Target platform (android-<api>, e.g. "android-19")', "android-19"),
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EnumVariable("android_arch", "Target architecture", "armv7", ("armv7", "arm64v8", "x86", "x86_64")),
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BoolVariable("android_neon", "Enable NEON support (armv7 only)", True),
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]
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# Return the ANDROID_SDK_ROOT environment variable.
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def get_env_android_sdk_root():
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return os.environ.get("ANDROID_SDK_ROOT", -1)
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def get_min_sdk_version(platform):
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return int(platform.split("-")[1])
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def get_android_ndk_root(env):
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return env["ANDROID_SDK_ROOT"] + "/ndk/" + get_ndk_version()
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# This is kept in sync with the value in 'platform/android/java/app/config.gradle'.
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def get_ndk_version():
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return "23.2.8568313"
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def get_flags():
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return [
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("tools", False),
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]
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# Check if Android NDK version is installed
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# If not, install it.
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def install_ndk_if_needed(env):
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print("Checking for Android NDK...")
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sdk_root = env["ANDROID_SDK_ROOT"]
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if not os.path.exists(get_android_ndk_root(env)):
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extension = ".bat" if os.name == "nt" else ""
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sdkmanager = sdk_root + "/cmdline-tools/latest/bin/sdkmanager" + extension
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if os.path.exists(sdkmanager):
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# Install the Android NDK
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print("Installing Android NDK...")
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ndk_download_args = "ndk;" + get_ndk_version()
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subprocess.check_call([sdkmanager, ndk_download_args])
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else:
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print("Cannot find " + sdkmanager)
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print(
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"Please ensure ANDROID_SDK_ROOT is correct and cmdline-tools are installed, or install NDK version "
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+ get_ndk_version()
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+ " manually."
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)
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sys.exit()
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env["ANDROID_NDK_ROOT"] = get_android_ndk_root(env)
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def configure(env):
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install_ndk_if_needed(env)
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ndk_root = env["ANDROID_NDK_ROOT"]
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# Architecture
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if env["android_arch"] not in ["armv7", "arm64v8", "x86", "x86_64"]:
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env["android_arch"] = "arm64v8"
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neon_text = ""
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if env["android_arch"] == "armv7" and env["android_neon"]:
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neon_text = " (with NEON)"
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print("Building for Android (" + env["android_arch"] + ")" + neon_text)
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if get_min_sdk_version(env["ndk_platform"]) < 21:
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if env["android_arch"] == "x86_64" or env["android_arch"] == "arm64v8":
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print(
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"WARNING: android_arch="
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+ env["android_arch"]
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+ " is not supported by ndk_platform lower than android-21; setting ndk_platform=android-21"
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)
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env["ndk_platform"] = "android-21"
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if env["android_arch"] == "armv7":
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target_triple = "armv7a-linux-androideabi"
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if env["android_neon"]:
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env.extra_suffix = ".armv7.neon" + env.extra_suffix
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else:
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env.extra_suffix = ".armv7" + env.extra_suffix
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elif env["android_arch"] == "arm64v8":
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target_triple = "aarch64-linux-android"
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env.extra_suffix = ".armv8" + env.extra_suffix
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elif env["android_arch"] == "x86":
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target_triple = "i686-linux-android"
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env.extra_suffix = ".x86" + env.extra_suffix
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elif env["android_arch"] == "x86_64":
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target_triple = "x86_64-linux-android"
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env.extra_suffix = ".x86_64" + env.extra_suffix
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target_option = ["-target", target_triple + str(get_min_sdk_version(env["ndk_platform"]))]
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env.Append(ASFLAGS=[target_option, "-c"])
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env.Append(CCFLAGS=target_option)
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env.Append(LINKFLAGS=target_option)
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# Build type
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if env["target"].startswith("release"):
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if env["optimize"] == "speed": # optimize for speed (default)
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# `-O2` is more friendly to debuggers than `-O3`, leading to better crash backtraces
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# when using `target=release_debug`.
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opt = "-O3" if env["target"] == "release" else "-O2"
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env.Append(CCFLAGS=[opt, "-fomit-frame-pointer"])
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elif env["optimize"] == "size": # optimize for size
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env.Append(CCFLAGS=["-Oz"])
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env.Append(CPPDEFINES=["NDEBUG"])
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env.Append(CCFLAGS=["-ftree-vectorize"])
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elif env["target"] == "debug":
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env.Append(LINKFLAGS=["-O0"])
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env.Append(CCFLAGS=["-O0", "-g", "-fno-limit-debug-info"])
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env.Append(CPPDEFINES=["_DEBUG"])
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env.Append(CPPFLAGS=["-UNDEBUG"])
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# LTO
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if env["lto"] == "auto": # LTO benefits for Android (size, performance) haven't been clearly established yet.
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env["lto"] = "none"
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if env["lto"] != "none":
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if env["lto"] == "thin":
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env.Append(CCFLAGS=["-flto=thin"])
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env.Append(LINKFLAGS=["-flto=thin"])
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else:
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env.Append(CCFLAGS=["-flto"])
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env.Append(LINKFLAGS=["-flto"])
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# Compiler configuration
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env["SHLIBSUFFIX"] = ".so"
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if env["PLATFORM"] == "win32":
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env.use_windows_spawn_fix()
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if sys.platform.startswith("linux"):
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host_subpath = "linux-x86_64"
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elif sys.platform.startswith("darwin"):
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host_subpath = "darwin-x86_64"
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elif sys.platform.startswith("win"):
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if platform.machine().endswith("64"):
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host_subpath = "windows-x86_64"
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else:
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host_subpath = "windows"
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toolchain_path = ndk_root + "/toolchains/llvm/prebuilt/" + host_subpath
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compiler_path = toolchain_path + "/bin"
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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 + "/llvm-ar"
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env["RANLIB"] = compiler_path + "/llvm-ranlib"
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env["AS"] = compiler_path + "/clang"
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env.Append(
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CCFLAGS="-fpic -ffunction-sections -funwind-tables -fstack-protector-strong -fvisibility=hidden -fno-strict-aliasing".split()
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)
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env.Append(CPPDEFINES=["NO_STATVFS", "GLES_ENABLED"])
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if get_min_sdk_version(env["ndk_platform"]) >= 24:
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env.Append(CPPDEFINES=[("_FILE_OFFSET_BITS", 64)])
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env["neon_enabled"] = False
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if env["android_arch"] == "x86":
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env.Append(CCFLAGS=["-mstackrealign"])
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elif env["android_arch"] == "armv7":
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env.Append(CCFLAGS="-march=armv7-a -mfloat-abi=softfp".split())
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env.Append(CPPDEFINES=["__ARM_ARCH_7__", "__ARM_ARCH_7A__"])
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if env["android_neon"]:
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env["neon_enabled"] = True
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env.Append(CPPDEFINES=["__ARM_NEON__"])
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else:
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env.Append(CCFLAGS=["-mfpu=vfpv3-d16"])
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elif env["android_arch"] == "arm64v8":
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env.Append(CCFLAGS=["-mfix-cortex-a53-835769"])
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env.Append(CPPDEFINES=["__ARM_ARCH_8A__"])
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# Link flags
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env.Append(LINKFLAGS="-Wl,--gc-sections -Wl,--no-undefined -Wl,-z,now".split())
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env.Append(LINKFLAGS="-Wl,-soname,libgodot_android.so")
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env.Prepend(CPPPATH=["#platform/android"])
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env.Append(CPPDEFINES=["ANDROID_ENABLED", "UNIX_ENABLED", "NO_FCNTL"])
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env.Append(LIBS=["OpenSLES", "EGL", "GLESv3", "GLESv2", "android", "log", "z", "dl"])
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