xenia-canary/tools/build/premake.py

273 lines
8.7 KiB
Python
Executable File

#!/usr/bin/env python3
# Copyright 2015 Ben Vanik. All Rights Reserved.
"""Premake trampoline script.
"""
__author__ = "ben.vanik@gmail.com (Ben Vanik)"
from json import loads as jsonloads
import os
from shutil import rmtree
import subprocess
import sys
self_path = os.path.dirname(os.path.abspath(__file__))
root_path = os.path.join(self_path, "..", "..")
premake_submodule_path = os.path.join(root_path, "third_party", "premake-core")
premake_path = premake_submodule_path
def setup_premake_path_override():
global premake_path
premake_path = premake_submodule_path
if sys.platform == "linux":
# On Android, the repository may be cloned to the external storage, which
# doesn't support executables in it.
# In this case, premake-core needs to be checked out in the internal
# storage, which supports executables, with all the permissions as set in
# its repository.
# On Termux, the home directory is in the internal storage - use it for
# executing.
# If xenia-build.py doesn't have execute permissions, Xenia is in the external
# storage now.
try:
popen = subprocess.Popen(
["uname", "-o"], stdout=subprocess.PIPE, stderr=subprocess.DEVNULL,
text=True)
if popen.communicate()[0] == "Android\n":
xb_file = os.path.join(root_path, "xenia-build.py")
if (os.path.isfile(xb_file) and not os.access(xb_file, os.X_OK) and
"HOME" in os.environ):
premake_path = os.path.join(os.environ["HOME"], ".xenia-build", "premake-core")
except Exception:
pass
setup_premake_path_override()
def main():
# First try the freshly-built premake.
premake5_bin = os.path.join(premake_path, "bin", "release", "premake5")
if not has_bin(premake5_bin):
# No fresh build, so fallback to checked in copy (which we may not have).
premake5_bin = os.path.join(self_path, "bin", "premake5")
if not has_bin(premake5_bin):
# Still no valid binary, so build it.
print("premake5 executable not found, attempting build...")
build_premake()
premake5_bin = os.path.join(premake_path, "bin", "release", "premake5")
if not has_bin(premake5_bin):
# Nope, boned.
print("ERROR: cannot build premake5 executable.")
sys.exit(1)
# Ensure the submodule has been checked out.
if not os.path.exists(os.path.join(premake_path, "scripts", "package.lua")):
print("third_party/premake-core was not present; run xb setup...")
sys.exit(1)
if sys.platform == "win32":
# Append the executable extension on windows.
premake5_bin += ".exe"
return_code = shell_call([
premake5_bin,
f"--scripts={premake_path}",
] + sys.argv[1:],
throw_on_error=False)
sys.exit(return_code)
def build_premake():
"""Builds premake from source.
"""
# Ensure that on Android, premake-core is in the internal storage.
clone_premake_to_internal_storage()
cwd = os.getcwd()
try:
os.chdir(premake_path)
if sys.platform == "darwin":
subprocess.call([
"make",
"-f", "Bootstrap.mak",
"osx",
])
elif sys.platform == "win32":
# Grab Visual Studio version and execute shell to set up environment.
vs_version = import_vs_environment()
if not vs_version:
print("ERROR: Visual Studio not found!")
sys.exit(1)
return
subprocess.call([
"nmake",
"-f", "Bootstrap.mak",
"windows",
])
else:
subprocess.call([
"make",
"-f", "Bootstrap.mak",
"linux",
])
finally:
os.chdir(cwd)
pass
def clone_premake_to_internal_storage():
"""Clones premake to the Android internal storage so it can be executed.
"""
# premake_path is initialized to a value different than premake_submodule_path
# if running from the Android external storage, and may not exist yet.
if premake_path == premake_submodule_path:
return
# Ensure the submodule has been checked out.
if not os.path.exists(
os.path.join(premake_submodule_path, "scripts", "package.lua")):
print("third_party/premake-core was not present; run xb setup...")
sys.exit(1)
# Create or refresh premake-core in the internal storage.
print("Cloning premake5 to the internal storage...")
rmtree(premake_path, ignore_errors=True)
os.makedirs(premake_path)
shell_call([
"git",
"clone",
"--depth=1",
premake_submodule_path,
premake_path,
])
def has_bin(bin):
"""Checks whether the given binary is present.
"""
for path in os.environ["PATH"].split(os.pathsep):
if sys.platform == "win32":
exe_file = os.path.join(path, f"{bin}.exe")
if os.path.isfile(exe_file) and os.access(exe_file, os.X_OK):
return True
else:
path = path.strip("\"")
exe_file = os.path.join(path, bin)
if os.path.isfile(exe_file) and os.access(exe_file, os.X_OK):
return True
return None
def shell_call(command, throw_on_error=True, stdout_path=None, stderr_path=None, shell=False):
"""Executes a shell command.
Args:
command: Command to execute, as a list of parameters.
throw_on_error: Whether to throw an error or return the status code.
stdout_path: File path to write stdout output to.
stderr_path: File path to write stderr output to.
Returns:
If throw_on_error is False the status code of the call will be returned.
"""
stdout_file = None
if stdout_path:
stdout_file = open(stdout_path, "w")
stderr_file = None
if stderr_path:
stderr_file = open(stderr_path, "w")
result = 0
try:
if throw_on_error:
result = 1
subprocess.check_call(command, shell=shell, stdout=stdout_file, stderr=stderr_file)
result = 0
else:
result = subprocess.call(command, shell=shell, stdout=stdout_file, stderr=stderr_file)
finally:
if stdout_file:
stdout_file.close()
if stderr_file:
stderr_file.close()
return result
def import_vs_environment():
"""Finds the installed Visual Studio version and imports
interesting environment variables into os.environ.
Returns:
A version such as 2022 or None if no installation is found.
"""
if sys.platform != "win32":
return None
version = None
install_path = None
env_tool_args = None
vswhere = subprocess.check_output(
"tools/vswhere/vswhere.exe -version \"[17,)\" -latest -prerelease -format json -utf8 -products"
" Microsoft.VisualStudio.Product.Enterprise"
" Microsoft.VisualStudio.Product.Professional"
" Microsoft.VisualStudio.Product.Community"
" Microsoft.VisualStudio.Product.BuildTools",
encoding="utf-8",
)
if vswhere:
vswhere = jsonloads(vswhere)
if vswhere and len(vswhere) > 0:
version = int(vswhere[0].get("catalog", {}).get("productLineVersion", 2022))
install_path = vswhere[0].get("installationPath", None)
vsdevcmd_path = os.path.join(install_path, "Common7", "Tools", "VsDevCmd.bat")
if os.access(vsdevcmd_path, os.X_OK):
env_tool_args = [vsdevcmd_path, "-arch=amd64", "-host_arch=amd64", "&&", "set"]
else:
vcvars_path = os.path.join(install_path, "VC", "Auxiliary", "Build", "vcvarsall.bat")
env_tool_args = [vcvars_path, "x64", "&&", "set"]
if not version:
return None
import_subprocess_environment(env_tool_args)
os.environ["VSVERSION"] = f"{version}"
return version
def import_subprocess_environment(args):
popen = subprocess.Popen(
args, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, text=True)
variables, _ = popen.communicate()
envvars_to_save = (
"devenvdir",
"include",
"lib",
"libpath",
"path",
"pathext",
"systemroot",
"temp",
"tmp",
"vcinstalldir",
"windowssdkdir",
)
for line in variables.splitlines():
for envvar in envvars_to_save:
if f"{envvar}=" in line.lower():
var, setting = line.split("=", 1)
if envvar == "path":
setting = f"{os.path.dirname(sys.executable)}{os.pathsep}{setting}"
os.environ[var.upper()] = setting
break
if __name__ == "__main__":
main()