Xash3D FWGS engine.
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# encoding: utf-8
# xcompile.py -- crosscompiling utils
# Copyright (C) 2018 a1batross
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
from fwgslib import get_flags_by_compiler
import os
import sys
# Output:
# CROSSCOMPILING -- set to true, if crosscompiling is enabled
# DEST_OS2 -- as some operating systems is built on top of another, it's better to not change DEST_OS,
# instead of this DEST_OS2 is defined with target value
# For example: android is built on top of linux and have many things in common,
# but it can't be considered as default GNU/Linux.
# Possible values:
# DEST_OS2 DEST_OS
# 'android' 'linux'
class Android:
arch = None
toolchain = None
api = None
toolchain_path = None
ndk_home = None
# TODO: Clang support?
# TODO: New Android NDK support?
# TODO: Crystax support?
# TODO: Support for everything else than linux-x86_64?
# TODO: Determine if I actually need to implement listed above
def is_arm(self):
return self.arch.startswith('armeabi')
def gen_toolchain_path(self):
path = 'toolchains/'
if self.arch.startswith('x86'):
path += self.arch + '-' + self.toolchain
elif self.is_arm():
path += 'arm-linux-androideabi-' + self.toolchain
else:
path += self.arch + '-linux-android-' + self.toolchain
path += '/prebuilt/linux-x86_64/bin/'
if self.arch == 'x86':
path += 'i686-linux-android-'
elif self.is_arm():
path += 'arm-linux-androideabi-'
else:
path += self.arch + '-linux-android-'
return path
def cc(self):
return os.path.abspath(os.path.join(self.ndk_home, self.toolchain_path + 'gcc'))
def cxx(self):
return os.path.abspath(os.path.join(self.ndk_home, self.toolchain_path + 'g++'))
def link(self):
return os.path.abspath(os.path.join(self.ndk_home, self.toolchain_path + 'ld'))
def sysroot(self):
arch = self.arch
if self.is_arm():
arch = 'arm'
elif self.arch == 'aarch64':
arch = 'arm64'
path = 'platforms/android-{0}/arch-{1}'.format(self.api, arch)
return os.path.abspath(os.path.join(self.ndk_home, path))
def cflags(self):
cflags = ['--sysroot={0}'.format(self.sysroot()), '-DANDROID']
if self.is_arm():
if self.arch.startswith('armeabi-v7a'):
cflags += ['-march=armv7-a', '-mfpu=vfpv3-d16']
if self.arch == 'armeabi-v7a-hard':
cflags += ['-mhard-float', '-D_NDK_MATH_NO_SOFTFP=1']
else:
cflags += ['-mfloat-abi=softfp']
else:
cflags += ['-march=armv5te', '-mtune=xscale', '-msoft-float']
return cflags
def ldflags(self):
ldflags = ['--sysroot={0}'.format(self.sysroot())]
if self.is_arm():
if self.arch.startswith('armeabi-v7a'):
ldflags += ['-march=armv7-a', '-Wl,--fix-cortex-a8']
if self.arch == 'armeabi-v7a-hard':
ldflags += ['-Wl,--no-warn-mismatch', '-lm_hard']
else:
ldflags += ['-march=armv5te']
return ldflags
def __init__(self, ndk_home, arch, toolchain, api):
self.ndk_home = ndk_home
self.arch = arch
self.toolchain = toolchain
self.api = api
self.toolchain_path = self.gen_toolchain_path()
def options(opt):
android = opt.add_option_group('Android options')
android.add_option('--android', action='store', type='string', dest='ANDROID_OPTS', default=None,
help='enable building for android, format: --android=<arch>,<toolchain>,<api>, example: --android=arm,4.9,26')
def configure(conf):
if conf.options.ANDROID_OPTS:
android_ndk_path = os.getenv('ANDROID_NDK_HOME')
if not android_ndk_path:
conf.fatal('Set ANDROID_NDK_HOME environment variable pointing to the root of Android NDK!')
values = conf.options.ANDROID_OPTS.split(',')
if len(values) != 3:
conf.fatal('Invalid --android paramater value!')
android = Android(android_ndk_path, values[0], values[1], values[2])
conf.options.ALLOW64 = True # skip pointer length check
conf.options.NO_VGUI = True # skip vgui
conf.environ['CC'] = android.cc()
conf.environ['CXX'] = android.cxx()
conf.environ['LD'] = android.link()
conf.env.CFLAGS += android.cflags()
conf.env.CXXFLAGS += android.cflags()
conf.env.LINKFLAGS += android.ldflags()
# conf.env.ANDROID_OPTS = android
conf.env.DEST_OS2 = 'android'
# else:
# conf.load('compiler_c compiler_cxx') # Use host compiler :)