virtualx-engine/modules/mono/build_scripts/mono_configure.py

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import os
import os.path
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def is_desktop(platform):
return platform in ["windows", "macos", "linuxbsd", "uwp", "haiku"]
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def is_unix_like(platform):
return platform in ["macos", "linuxbsd", "android", "haiku", "ios"]
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def module_supports_tools_on(platform):
return is_desktop(platform)
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def configure(env, env_mono):
# is_android = env["platform"] == "android"
# is_web = env["platform"] == "web"
# is_ios = env["platform"] == "ios"
# is_ios_sim = is_ios and env["arch"] in ["x86_32", "x86_64"]
tools_enabled = env["tools"]
if tools_enabled and not module_supports_tools_on(env["platform"]):
raise RuntimeError("This module does not currently support building for this platform with tools enabled")
if env["tools"]:
env_mono.Append(CPPDEFINES=["GD_MONO_HOT_RELOAD"])
app_host_dir = find_dotnet_app_host_dir(env)
def check_app_host_file_exists(file):
file_path = os.path.join(app_host_dir, file)
if not os.path.isfile(file_path):
raise RuntimeError("File not found: " + file_path)
# TODO:
# All libnethost does for us is provide a function to find hostfxr.
# If we could handle that logic ourselves we could void linking it.
# nethost file names:
# static: libnethost.a/lib
# shared: libnethost.a/dylib and nethost.dll
check_app_host_file_exists("libnethost.lib" if os.name == "nt" else "libnethost.a")
check_app_host_file_exists("nethost.h")
check_app_host_file_exists("hostfxr.h")
check_app_host_file_exists("coreclr_delegates.h")
env_mono.Prepend(CPPPATH=app_host_dir)
env.Append(LIBPATH=[app_host_dir])
# Only the editor build links nethost, which is needed to find hostfxr.
# Exported games don't need this logic as hostfxr is bundled with them.
if tools_enabled:
libnethost_path = os.path.join(app_host_dir, "libnethost.lib" if os.name == "nt" else "libnethost.a")
if env["platform"] == "windows":
env_mono.Append(CPPDEFINES=["NETHOST_USE_AS_STATIC"])
if env.msvc:
env.Append(LINKFLAGS="libnethost.lib")
else:
env.Append(LINKFLAGS=["-Wl,-whole-archive", libnethost_path, "-Wl,-no-whole-archive"])
else:
is_apple = env["platform"] in ["macos", "ios"]
# is_macos = is_apple and not is_ios
# if is_ios and not is_ios_sim:
# env_mono.Append(CPPDEFINES=["IOS_DEVICE"])
if is_apple:
env.Append(LINKFLAGS=["-Wl,-force_load," + libnethost_path])
else:
env.Append(LINKFLAGS=["-Wl,-whole-archive", libnethost_path, "-Wl,-no-whole-archive"])
def find_dotnet_app_host_dir(env):
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dotnet_version = "6.0"
dotnet_root = env["dotnet_root"]
if not dotnet_root:
dotnet_cmd = find_dotnet_executable(env["arch"])
if dotnet_cmd:
sdk_path = find_dotnet_sdk(dotnet_cmd, dotnet_version)
if sdk_path:
dotnet_root = os.path.abspath(os.path.join(sdk_path, os.pardir))
if not dotnet_root:
raise RuntimeError("Cannot find .NET Core Sdk")
print("Found .NET Core Sdk root directory: " + dotnet_root)
dotnet_cmd = os.path.join(dotnet_root, "dotnet.exe" if os.name == "nt" else "dotnet")
runtime_identifier = determine_runtime_identifier(env)
# TODO: In the future, if it can't be found this way, we want to obtain it
# from the runtime.{runtime_identifier}.Microsoft.NETCore.DotNetAppHost NuGet package.
app_host_version = find_app_host_version(dotnet_cmd, dotnet_version)
if not app_host_version:
raise RuntimeError("Cannot find .NET app host for version: " + dotnet_version)
def get_runtime_path():
return os.path.join(
dotnet_root,
"packs",
"Microsoft.NETCore.App.Host." + runtime_identifier,
app_host_version,
"runtimes",
runtime_identifier,
"native",
)
app_host_dir = get_runtime_path()
# Some Linux distros use their distro name as the RID in these paths.
# If the initial generic path doesn't exist, try to get the RID from `dotnet --info`.
# The generic RID should still be the first choice. Some platforms like Windows 10
# define the RID as `win10-x64` but still use the generic `win-x64` for directory names.
if not app_host_dir or not os.path.isdir(app_host_dir):
runtime_identifier = find_dotnet_cli_rid(dotnet_cmd)
app_host_dir = get_runtime_path()
return app_host_dir
def determine_runtime_identifier(env):
# The keys are Godot's names, the values are the Microsoft's names.
# List: https://docs.microsoft.com/en-us/dotnet/core/rid-catalog
names_map = {
"windows": "win",
"macos": "osx",
"linuxbsd": "linux",
}
arch_map = {
"x86_64": "x64",
"x86_32": "x86",
"arm64": "arm64",
"arm32": "arm",
}
platform = env["platform"]
if is_desktop(platform):
return "%s-%s" % (names_map[platform], arch_map[env["arch"]])
else:
raise NotImplementedError()
def find_app_host_version(dotnet_cmd, search_version_str):
import subprocess
from distutils.version import LooseVersion
search_version = LooseVersion(search_version_str)
found_match = False
try:
env = dict(os.environ, DOTNET_CLI_UI_LANGUAGE="en-US")
lines = subprocess.check_output([dotnet_cmd, "--list-runtimes"], env=env).splitlines()
for line_bytes in lines:
line = line_bytes.decode("utf-8")
if not line.startswith("Microsoft.NETCore.App "):
continue
parts = line.split(" ", 2)
if len(parts) < 3:
continue
version_str = parts[1]
version = LooseVersion(version_str)
if version >= search_version:
search_version = version
found_match = True
if found_match:
return str(search_version)
except (subprocess.CalledProcessError, OSError) as e:
import sys
print(e, file=sys.stderr)
return ""
def find_dotnet_arch(dotnet_cmd):
import subprocess
try:
env = dict(os.environ, DOTNET_CLI_UI_LANGUAGE="en-US")
lines = subprocess.check_output([dotnet_cmd, "--info"], env=env).splitlines()
for line_bytes in lines:
line = line_bytes.decode("utf-8")
parts = line.split(":", 1)
if len(parts) < 2:
continue
arch_str = parts[0].strip()
if arch_str != "Architecture":
continue
arch_value = parts[1].strip()
arch_map = {"x64": "x86_64", "x86": "x86_32", "arm64": "arm64", "arm32": "arm32"}
return arch_map[arch_value]
except (subprocess.CalledProcessError, OSError) as e:
import sys
print(e, file=sys.stderr)
return ""
def find_dotnet_sdk(dotnet_cmd, search_version_str):
import subprocess
from distutils.version import LooseVersion
search_version = LooseVersion(search_version_str)
try:
env = dict(os.environ, DOTNET_CLI_UI_LANGUAGE="en-US")
lines = subprocess.check_output([dotnet_cmd, "--list-sdks"], env=env).splitlines()
for line_bytes in lines:
line = line_bytes.decode("utf-8")
parts = line.split(" ", 1)
if len(parts) < 2:
continue
version_str = parts[0]
version = LooseVersion(version_str)
if version < search_version:
continue
path_part = parts[1]
return path_part[1 : path_part.find("]")]
except (subprocess.CalledProcessError, OSError) as e:
import sys
print(e, file=sys.stderr)
return ""
def find_dotnet_cli_rid(dotnet_cmd):
import subprocess
try:
env = dict(os.environ, DOTNET_CLI_UI_LANGUAGE="en-US")
lines = subprocess.check_output([dotnet_cmd, "--info"], env=env).splitlines()
for line_bytes in lines:
line = line_bytes.decode("utf-8")
if not line.startswith(" RID:"):
continue
parts = line.split()
if len(parts) < 2:
continue
return parts[1]
except (subprocess.CalledProcessError, OSError) as e:
import sys
print(e, file=sys.stderr)
return ""
ENV_PATH_SEP = ";" if os.name == "nt" else ":"
def find_dotnet_executable(arch):
is_windows = os.name == "nt"
windows_exts = os.environ["PATHEXT"].split(ENV_PATH_SEP) if is_windows else None
path_dirs = os.environ["PATH"].split(ENV_PATH_SEP)
search_dirs = path_dirs + [os.getcwd()] # cwd is last in the list
for dir in path_dirs:
search_dirs += [
os.path.join(dir, "x64"),
os.path.join(dir, "x86"),
os.path.join(dir, "arm64"),
os.path.join(dir, "arm32"),
] # search subfolders for cross compiling
# `dotnet --info` may not specify architecture. In such cases,
# we fallback to the first one we find without architecture.
sdk_path_unknown_arch = ""
for dir in search_dirs:
path = os.path.join(dir, "dotnet")
if is_windows:
for extension in windows_exts:
path_with_ext = path + extension
if os.path.isfile(path_with_ext) and os.access(path_with_ext, os.X_OK):
sdk_arch = find_dotnet_arch(path_with_ext)
if sdk_arch == arch or arch == "":
return path_with_ext
elif sdk_arch == "":
sdk_path_unknown_arch = path_with_ext
else:
if os.path.isfile(path) and os.access(path, os.X_OK):
sdk_arch = find_dotnet_arch(path)
if sdk_arch == arch or arch == "":
return path
elif sdk_arch == "":
sdk_path_unknown_arch = path
return sdk_path_unknown_arch