xenia/tools/build/premake

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#!/usr/bin/env python3
# Copyright 2015 Ben Vanik. All Rights Reserved.
"""Premake trampoline script.
"""
__author__ = 'ben.vanik@gmail.com (Ben Vanik)'
import json
import os
import subprocess
import sys
import re
self_path = os.path.dirname(os.path.abspath(__file__))
root_path = os.path.join(self_path, '..', '..')
premake_path = os.path.join(root_path, 'third_party', 'premake-core')
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)
return
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if sys.platform == 'win32':
# Append the executable extension on windows.
premake5_bin = premake5_bin + '.exe'
return_code = shell_call([
premake5_bin,
'--scripts=%s' % (premake_path),
] + sys.argv[1:],
throw_on_error=False)
sys.exit(return_code)
def build_premake():
"""Builds premake from source.
"""
cwd = os.getcwd()
try:
os.chdir(premake_path)
if sys.platform == 'darwin':
subprocess.call([
'make',
'-f', 'Bootstrap.mak',
'osx',
], shell=False)
elif sys.platform == 'win32':
# Grab Visual Studio version and execute shell to set up environment.
vs_version = import_vs_environment()
if vs_version is None:
print('ERROR: Visual Studio not found!')
sys.exit(1)
return
subprocess.call([
'nmake',
'-f', 'Bootstrap.mak',
'windows',
], shell=False)
else:
subprocess.call([
'make',
'-f', 'Bootstrap.mak',
'linux',
], shell=False)
finally:
os.chdir(cwd)
pass
def has_bin(bin):
"""Checks whether the given binary is present.
"""
for path in os.environ["PATH"].split(os.pathsep):
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if sys.platform == 'win32':
exe_file = os.path.join(path, 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):
"""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.
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')
result = 0
try:
if throw_on_error:
result = 1
subprocess.check_call(command, shell=False, stdout=stdout_file)
result = 0
else:
result = subprocess.call(command, shell=False, stdout=stdout_file)
finally:
if stdout_file:
stdout_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 2015 or None if no installation is found.
"""
version = 0
install_path = None
env_tool_args = None
vswhere = subprocess.check_output('third_party/vswhere/vswhere.exe -version "[15,)" -latest -format json -utf8', shell=False, universal_newlines=True, encoding="utf-8")
if vswhere:
vswhere = json.loads(vswhere)
if vswhere and len(vswhere) > 0:
version = int(vswhere[0].get("catalog", {}).get("productLineVersion", 2017))
install_path = vswhere[0].get("installationPath", None)
if version < 2017:
if 'VS140COMNTOOLS' in os.environ:
version = 2015
vcvars_path = os.environ['VS140COMNTOOLS']
vcvars_path = os.path.join(tools_path, '..\\..\\vc\\vcvarsall.bat')
env_tool_args = [vcvars_path, 'x64', '&&', 'set']
else:
vsdevcmd_path = os.path.join(install_path, 'Common7\\Tools\\VsDevCmd.bat')
env_tool_args = [vsdevcmd_path, '-arch=amd64', '-host_arch=amd64']
if version == 0:
return None
import_subprocess_environment(env_tool_args)
os.environ['VSVERSION'] = str(version)
return version
def import_subprocess_environment(args):
popen = subprocess.Popen(
args, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True)
variables, _ = popen.communicate()
envvars_to_save = (
'devenvdir',
'include',
'lib',
'libpath',
'path',
'pathext',
'systemroot',
'temp',
'tmp',
'windowssdkdir',
)
for line in variables.splitlines():
for envvar in envvars_to_save:
if re.match(envvar + '=', line.lower()):
var, setting = line.split('=', 1)
if envvar == 'path':
setting = os.path.dirname(sys.executable) + os.pathsep + setting
os.environ[var.upper()] = setting
break
def git_submodule_update():
"""Runs a full recursive git submodule init and update.
Older versions of git do not support 'update --init --recursive'. We could
check and run it on versions that do support it and speed things up a bit.
"""
if True:
shell_call([
'git',
'submodule',
'update',
'--init',
'--recursive',
])
else:
shell_call([
'git',
'submodule',
'init',
])
shell_call([
'git',
'submodule',
'foreach',
'--recursive',
'git',
'submodule',
'init',
])
shell_call([
'git',
'submodule',
'update',
'--recursive',
])
if __name__ == '__main__':
main()