mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2024-12-18 18:06:56 +01:00
122 lines
3.3 KiB
Python
122 lines
3.3 KiB
Python
# detect.py + detect_godot3.py
|
|
#
|
|
# FRT - A Godot platform targeting single board computers
|
|
# Copyright (c) 2017-2022 Emanuele Fornara
|
|
# SPDX-License-Identifier: MIT
|
|
#
|
|
|
|
import os
|
|
import sys
|
|
import platform
|
|
import version
|
|
|
|
# TODO factor out common bits
|
|
|
|
def get_opts():
|
|
from SCons.Variables import BoolVariable
|
|
return [
|
|
BoolVariable('use_llvm', 'Use llvm compiler', False),
|
|
BoolVariable('use_lto', 'Use link time optimization', False),
|
|
BoolVariable('use_static_cpp', 'Link libgcc and libstdc++ statically', False),
|
|
('frt_std', 'C++ standard for frt itself (no/auto/c++98/...)', 'auto'),
|
|
('frt_arch', 'Architecture (no/arm32v6/arm32v7/arm64v8)', 'no'),
|
|
('frt_cross', 'Cross compilation (no/auto/<triple>)', 'no'),
|
|
]
|
|
|
|
def get_flags():
|
|
return [
|
|
]
|
|
|
|
def configure_compiler(env):
|
|
if env['use_llvm']:
|
|
env['CC'] = 'clang'
|
|
env['CXX'] = 'clang++'
|
|
env['LD'] = 'clang++'
|
|
env.extra_suffix += '.llvm'
|
|
|
|
def configure_lto(env):
|
|
if not env['use_lto']:
|
|
return
|
|
if env['use_llvm']:
|
|
env.Append(CCFLAGS=['-flto=thin'])
|
|
env.Append(LINKFLAGS=['-fuse-ld=lld', '-flto=thin'])
|
|
env['AR'] = 'llvm-ar'
|
|
env['RANLIB'] = 'llvm-ranlib'
|
|
else:
|
|
env.Append(CCFLAGS=['-flto'])
|
|
env.Append(LINKFLAGS=['-flto'])
|
|
env.extra_suffix += '.lto'
|
|
|
|
def configure_arch(env):
|
|
if env['frt_arch'] == 'arm32v6':
|
|
env.Append(CCFLAGS=['-march=armv6', '-mfpu=vfp', '-mfloat-abi=hard'])
|
|
env.extra_suffix += '.arm32v6'
|
|
elif env['frt_arch'] == 'arm32v7':
|
|
env.Append(CCFLAGS=['-march=armv7-a', '-mfpu=neon-vfpv4', '-mfloat-abi=hard'])
|
|
env.extra_suffix += '.arm32v7'
|
|
elif env['frt_arch'] == 'arm64v8':
|
|
env.Append(CCFLAGS=['-march=armv8-a'])
|
|
env.extra_suffix += '.arm64v8'
|
|
|
|
def configure_cross(env):
|
|
if env['frt_cross'] == 'no':
|
|
env['FRT_PKG_CONFIG'] = 'pkg-config'
|
|
return
|
|
if env['frt_cross'] == 'auto':
|
|
triple = {
|
|
'arm32v7': 'arm-linux-gnueabihf',
|
|
'arm64v8': 'aarch64-linux-gnu',
|
|
}[env['frt_arch']]
|
|
else:
|
|
triple = env['frt_cross']
|
|
if env['use_llvm']:
|
|
env.Append(CCFLAGS=['-target', triple])
|
|
env.Append(LINKFLAGS=['-target', triple])
|
|
else:
|
|
env['CC'] = triple + '-gcc'
|
|
env['CXX'] = triple + '-g++'
|
|
env['FRT_PKG_CONFIG'] = triple + '-pkg-config'
|
|
|
|
def configure_target(env):
|
|
if env['target'] == 'release':
|
|
env.Append(CCFLAGS=['-O2', '-ffast-math', '-fomit-frame-pointer'])
|
|
elif env['target'] == 'release_debug':
|
|
env.Append(CCFLAGS=['-O2', '-ffast-math'])
|
|
elif env['target'] == 'debug':
|
|
env.Append(CCFLAGS=['-g2'])
|
|
|
|
def configure_misc(env):
|
|
env.Append(CPPPATH=['#platform/frt_sdl'])
|
|
env.Append(CPPFLAGS=['-DUNIX_ENABLED', '-DGLES2_ENABLED', '-DGLES_ENABLED', '-DJOYDEV_ENABLED'])
|
|
env.Append(CPPFLAGS=['-DFRT_ENABLED'])
|
|
#env.Append(CFLAGS=['-std=gnu11']) # for libwebp (maybe more in the future)
|
|
env.Append(LIBS=['pthread', 'z', 'dl'])
|
|
if env['frt_arch'] == 'arm32v6' and version.minor >= 4: # TODO find out exact combination
|
|
env.Append(LIBS=['atomic'])
|
|
if env['CXX'] == 'clang++':
|
|
env['CC'] = 'clang'
|
|
env['LD'] = 'clang++'
|
|
if env['use_static_cpp']:
|
|
env.Append(LINKFLAGS=['-static-libgcc', '-static-libstdc++'])
|
|
|
|
def configure(env):
|
|
configure_compiler(env)
|
|
configure_lto(env)
|
|
configure_arch(env)
|
|
configure_cross(env)
|
|
configure_target(env)
|
|
configure_misc(env)
|
|
|
|
def get_name():
|
|
return "FRT_SDL"
|
|
|
|
def is_active():
|
|
return True
|
|
|
|
def can_build():
|
|
import os
|
|
if os.name != "posix":
|
|
return False
|
|
|
|
return True
|