416 lines
13 KiB
Python
416 lines
13 KiB
Python
# encoding: utf-8
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# xcompile.py -- crosscompiling utils
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# Copyright (C) 2018 a1batross
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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try: from fwgslib import get_flags_by_compiler
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except: from waflib.extras.fwgslib import get_flags_by_compiler
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from waflib import Logs, TaskGen
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from waflib.Tools import c_config
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from collections import OrderedDict
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import os
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import sys
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ANDROID_NDK_ENVVARS = ['ANDROID_NDK_HOME', 'ANDROID_NDK']
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ANDROID_NDK_SUPPORTED = [10, 19, 20]
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ANDROID_NDK_HARDFP_MAX = 11 # latest version that supports hardfp
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ANDROID_NDK_GCC_MAX = 17 # latest NDK that ships with GCC
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ANDROID_NDK_UNIFIED_SYSROOT_MIN = 15
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ANDROID_NDK_SYSROOT_FLAG_MAX = 19 # latest NDK that need --sysroot flag
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ANDROID_NDK_API_MIN = { 10: 3, 19: 16, 20: 16 } # minimal API level ndk revision supports
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ANDROID_64BIT_API_MIN = 21 # minimal API level that supports 64-bit targets
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# This class does support ONLY r10e and r19c/r20 NDK
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class Android:
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ctx = None # waf context
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arch = None
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toolchain = None
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api = None
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ndk_home = None
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ndk_rev = 0
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is_hardfloat = False
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clang = False
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def __init__(self, ctx, arch, toolchain, api):
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self.ctx = ctx
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self.api = api
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self.toolchain = toolchain
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self.arch = arch
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for i in ANDROID_NDK_ENVVARS:
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self.ndk_home = os.getenv(i)
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if self.ndk_home != None:
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break
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else:
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ctx.fatal('Set %s environment variable pointing to the root of Android NDK!' %
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' or '.join(ANDROID_NDK_ENVVARS))
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# TODO: this were added at some point of NDK development
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# but I don't know at which version
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# r10e don't have it
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source_prop = os.path.join(self.ndk_home, 'source.properties')
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if os.path.exists(source_prop):
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with open(source_prop) as ndk_props_file:
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for line in ndk_props_file.readlines():
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tokens = line.split('=')
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trimed_tokens = [token.strip() for token in tokens]
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if 'Pkg.Revision' in trimed_tokens:
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self.ndk_rev = int(trimed_tokens[1].split('.')[0])
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if self.ndk_rev not in ANDROID_NDK_SUPPORTED:
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ctx.fatal('Unknown NDK revision: %d' % (self.ndk_rev))
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else:
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self.ndk_rev = ANDROID_NDK_SUPPORTED[0]
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if 'clang' in self.toolchain or self.ndk_rev > ANDROID_NDK_GCC_MAX:
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self.clang = True
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if self.arch == 'armeabi-v7a-hard':
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if self.ndk_rev <= ANDROID_NDK_HARDFP_MAX:
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self.arch = 'armeabi-v7a' # Only armeabi-v7a have hard float ABI
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self.is_hardfloat = True
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else:
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ctx.fatal('NDK does not support hardfloat ABI')
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if self.api < ANDROID_NDK_API_MIN[self.ndk_rev]:
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self.api = ANDROID_NDK_API_MIN[self.ndk_rev]
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Logs.warn('API level automatically was set to %d due to NDK support' % self.api)
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if self.is_arm64() or self.is_amd64() and self.api < ANDROID_64BIT_API_MIN:
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self.api = ANDROID_64BIT_API_MIN
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Logs.warn('API level for 64-bit target automatically was set to %d' % self.api)
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def is_host(self):
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'''
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Checks if we using host compiler(implies clang)
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'''
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return self.toolchain == 'host'
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def is_arm(self):
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'''
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Checks if selected architecture is **32-bit** ARM
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'''
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return self.arch.startswith('armeabi')
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def is_x86(self):
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'''
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Checks if selected architecture is **32-bit** or **64-bit** x86
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'''
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return self.arch == 'x86'
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def is_amd64(self):
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'''
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Checks if selected architecture is **64-bit** x86
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'''
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return self.arch == 'x86_64'
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def is_arm64(self):
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'''
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Checks if selected architecture is AArch64
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'''
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return self.arch == 'aarch64'
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def is_clang(self):
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'''
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Checks if selected toolchain is Clang (TODO)
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'''
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return self.clang
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def is_hardfp(self):
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return self.is_hardfloat
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def ndk_triplet(self, llvm_toolchain = False, toolchain_folder = False):
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if self.is_x86():
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if toolchain_folder:
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return 'x86'
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else:
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return 'i686-linux-android'
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elif self.is_arm():
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if llvm_toolchain:
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return 'armv7a-linux-androideabi'
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else:
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return 'arm-linux-androideabi'
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elif self.is_amd64() and toolchain_folder:
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return 'x86_64'
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else:
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return self.arch + '-linux-android'
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def apk_arch(self):
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if self.is_arm64():
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return 'arm64-v8a'
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return self.arch
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def gen_host_toolchain(self):
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# With host toolchain we don't care about OS
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# so just download NDK for Linux x86_64
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if self.is_host():
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return 'linux-x86_64'
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if sys.platform.startswith('win32') or sys.platform.startswith('cygwin'):
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osname = 'windows'
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elif sys.platform.startswith('darwin'):
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osname = 'darwin'
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elif sys.platform.startswith('linux'):
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osname = 'linux'
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else:
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self.ctx.fatal('Unsupported by NDK host platform')
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if sys.maxsize > 2**32:
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arch = 'x86_64'
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else: arch = 'x86'
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return '%s-%s' % (osname, arch)
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def gen_gcc_toolchain_path(self):
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path = 'toolchains'
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toolchain_host = self.gen_host_toolchain()
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if self.is_clang():
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toolchain_folder = 'llvm'
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else:
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if self.is_host():
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toolchain = '4.9'
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else:
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toolchain = self.toolchain
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toolchain_folder = '%s-%s' % (self.ndk_triplet(toolchain_folder = True), toolchain)
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return os.path.abspath(os.path.join(self.ndk_home, path, toolchain_folder, 'prebuilt', toolchain_host))
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def gen_toolchain_path(self):
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if self.is_clang():
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triplet = '%s%d-' % (self.ndk_triplet(llvm_toolchain = True), self.api)
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else:
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triplet = self.ndk_triplet() + '-'
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return os.path.join(self.gen_gcc_toolchain_path(), 'bin', triplet)
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def gen_binutils_path(self):
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return os.path.join(self.gen_gcc_toolchain_path(), self.ndk_triplet(), 'bin')
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def cc(self):
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if self.is_host():
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return 'clang --target=%s%d' % (self.ndk_triplet(), self.api)
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return self.gen_toolchain_path() + ('clang' if self.is_clang() else 'gcc')
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def cxx(self):
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if self.is_host():
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return 'clang++ --target=%s%d' % (self.ndk_triplet(), self.api)
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return self.gen_toolchain_path() + ('clang++' if self.is_clang() else 'g++')
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def strip(self):
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if self.is_host():
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return 'llvm-strip'
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return os.path.join(self.gen_binutils_path(), 'strip')
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def system_stl(self):
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# TODO: proper STL support
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return [
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#os.path.abspath(os.path.join(self.ndk_home, 'sources', 'cxx-stl', 'system', 'include')),
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os.path.abspath(os.path.join(self.ndk_home, 'sources', 'cxx-stl', 'stlport', 'stlport')),
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os.path.abspath(os.path.join(self.ndk_home, 'sources', 'android', 'support', 'include'))
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]
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def libsysroot(self):
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arch = self.arch
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if self.is_arm():
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arch = 'arm'
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elif self.is_arm64():
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arch = 'arm64'
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path = 'platforms/android-%s/arch-%s' % (self.api, arch)
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return os.path.abspath(os.path.join(self.ndk_home, path))
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def sysroot(self):
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if self.ndk_rev >= ANDROID_NDK_UNIFIED_SYSROOT_MIN:
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return os.path.abspath(os.path.join(self.ndk_home, 'sysroot'))
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else:
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return self.libsysroot()
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def cflags(self, cxx = False):
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cflags = []
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if self.ndk_rev <= ANDROID_NDK_SYSROOT_FLAG_MAX:
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cflags += ['--sysroot=%s' % (self.sysroot())]
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else:
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if self.is_host():
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cflags += [
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'--sysroot=%s/sysroot' % (self.gen_gcc_toolchain_path()),
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'-isystem', '%s/usr/include/' % (self.sysroot())
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]
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cflags += ['-I%s'%i for i in self.system_stl()]+['-DANDROID', '-D__ANDROID__']
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if cxx and not self.is_clang() and self.toolchain not in ['4.8','4.9']:
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cflags += ['-fno-sized-deallocation']
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if self.is_arm():
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if self.arch == 'armeabi-v7a':
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# ARMv7 support
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cflags += ['-mthumb', '-mfpu=neon-vfpv4', '-mcpu=cortex-a7', '-mtune=cortex-a7', '-DHAVE_EFFICIENT_UNALIGNED_ACCESS', '-DVECTORIZE_SINCOS']
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if not self.is_clang() and not self.is_host():
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cflags += [ '-mvectorize-with-neon-quad' ]
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if self.is_hardfp():
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cflags += ['-D_NDK_MATH_NO_SOFTFP=1', '-mfloat-abi=hard', '-DLOAD_HARDFP', '-DSOFTFP_LINK']
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if self.is_host():
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# Clang builtin redefine w/ different calling convention bug
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# NOTE: I did not added complex.h functions here, despite
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# that NDK devs forgot to put __NDK_FPABI_MATH__ for complex
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# math functions
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# I personally don't need complex numbers support, but if you want it
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# just run sed to patch header
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for f in ['strtod', 'strtof', 'strtold']:
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cflags += ['-fno-builtin-%s' % f]
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else:
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cflags += ['-mfloat-abi=softfp']
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else:
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# ARMv5 support
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cflags += ['-march=armv5te', '-mtune=xscale', '-msoft-float']
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elif self.is_x86():
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cflags += ['-mtune=atom', '-march=atom', '-mssse3', '-mfpmath=sse', '-DVECTORIZE_SINCOS', '-DHAVE_EFFICIENT_UNALIGNED_ACCESS']
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return cflags
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# they go before object list
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def linkflags(self):
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linkflags = []
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if self.is_host():
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linkflags += ['--gcc-toolchain=%s' % self.gen_gcc_toolchain_path()]
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if self.ndk_rev <= ANDROID_NDK_SYSROOT_FLAG_MAX:
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linkflags += ['--sysroot=%s' % (self.sysroot())]
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elif self.is_host():
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linkflags += ['--sysroot=%s/sysroot' % (self.gen_gcc_toolchain_path())]
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if self.is_clang() or self.is_host():
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linkflags += ['-fuse-ld=lld']
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linkflags += ['-Wl,--hash-style=both','-Wl,--no-undefined']
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return linkflags
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def ldflags(self):
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ldflags = ['-lgcc', '-no-canonical-prefixes']
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if self.is_clang() or self.is_host():
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ldflags += ['-stdlib=libstdc++']
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if self.is_arm():
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if self.arch == 'armeabi-v7a':
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ldflags += ['-march=armv7-a', '-mthumb']
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if not self.is_clang() and not self.is_host(): # lld only
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ldflags += ['-Wl,--fix-cortex-a8']
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if self.is_hardfp():
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ldflags += ['-Wl,--no-warn-mismatch', '-lm_hard']
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else:
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ldflags += ['-march=armv5te']
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return ldflags
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def options(opt):
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android = opt.add_option_group('Android options')
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android.add_option('--android', action='store', dest='ANDROID_OPTS', default=None,
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help='enable building for android, format: --android=<arch>,<toolchain>,<api>, example: --android=armeabi-v7a-hard,4.9,9')
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def configure(conf):
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if conf.options.ANDROID_OPTS:
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values = conf.options.ANDROID_OPTS.split(',')
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if len(values) != 3:
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conf.fatal('Invalid --android paramater value!')
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valid_archs = ['x86', 'x86_64', 'armeabi', 'armeabi-v7a', 'armeabi-v7a-hard', 'aarch64']
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if values[0] not in valid_archs:
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conf.fatal('Unknown arch: %s. Supported: %r' % (values[0], ', '.join(valid_archs)))
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conf.android = android = Android(conf, values[0], values[1], int(values[2]))
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conf.environ['CC'] = android.cc()
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conf.environ['CXX'] = android.cxx()
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conf.environ['STRIP'] = android.strip()
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conf.env.CFLAGS += android.cflags()
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conf.env.CXXFLAGS += android.cflags(True)
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conf.env.LINKFLAGS += android.linkflags()
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conf.env.LDFLAGS += android.ldflags()
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conf.env.STLIBPATH += [os.path.abspath(os.path.join(android.ndk_home, 'sources','cxx-stl','stlport','libs',values[0]))]
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conf.env.LDFLAGS += ['-lstlport_static']
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conf.env.HAVE_M = True
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if android.is_hardfp():
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conf.env.LIB_M = ['m_hard']
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else: conf.env.LIB_M = ['m']
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conf.env.PREFIX += '/lib/%s' % android.apk_arch()
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conf.msg('Selected Android NDK', '%s, version: %d' % (android.ndk_home, android.ndk_rev))
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# no need to print C/C++ compiler, as it would be printed by compiler_c/cxx
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conf.msg('... C/C++ flags', ' '.join(android.cflags()).replace(android.ndk_home, '$NDK/'))
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conf.msg('... link flags', ' '.join(android.linkflags()).replace(android.ndk_home, '$NDK/'))
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conf.msg('... ld flags', ' '.join(android.ldflags()).replace(android.ndk_home, '$NDK/'))
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# conf.env.ANDROID_OPTS = android
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conf.env.DEST_OS2 = 'android'
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MACRO_TO_DESTOS = OrderedDict({ '__ANDROID__' : 'android' })
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for k in c_config.MACRO_TO_DESTOS:
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MACRO_TO_DESTOS[k] = c_config.MACRO_TO_DESTOS[k] # ordering is important
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c_config.MACRO_TO_DESTOS = MACRO_TO_DESTOS
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def post_compiler_cxx_configure(conf):
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conf.msg('Target OS', conf.env.DEST_OS)
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conf.msg('Target CPU', conf.env.DEST_CPU)
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conf.msg('Target binfmt', conf.env.DEST_BINFMT)
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if conf.options.ANDROID_OPTS:
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if conf.android.ndk_rev == 19:
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conf.env.CXXFLAGS_cxxshlib += ['-static-libstdc++']
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conf.env.LDFLAGS_cxxshlib += ['-static-libstdc++']
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return
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def post_compiler_c_configure(conf):
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conf.msg('Target OS', conf.env.DEST_OS)
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conf.msg('Target CPU', conf.env.DEST_CPU)
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conf.msg('Target binfmt', conf.env.DEST_BINFMT)
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return
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from waflib.Tools import compiler_cxx, compiler_c
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compiler_cxx_configure = getattr(compiler_cxx, 'configure')
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compiler_c_configure = getattr(compiler_c, 'configure')
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def patch_compiler_cxx_configure(conf):
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compiler_cxx_configure(conf)
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post_compiler_cxx_configure(conf)
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def patch_compiler_c_configure(conf):
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compiler_c_configure(conf)
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post_compiler_c_configure(conf)
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setattr(compiler_cxx, 'configure', patch_compiler_cxx_configure)
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setattr(compiler_c, 'configure', patch_compiler_c_configure)
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@TaskGen.feature('cshlib', 'cxxshlib', 'dshlib', 'fcshlib', 'vnum')
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@TaskGen.after_method('apply_link', 'propagate_uselib_vars')
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@TaskGen.before_method('apply_vnum')
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def apply_android_soname(self):
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"""
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Enforce SONAME on Android
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"""
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if self.env.DEST_OS != 'android':
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return
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setattr(self, 'vnum', None) # remove vnum, so SONAME would not be overwritten
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link = self.link_task
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node = link.outputs[0]
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libname = node.name
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v = self.env.SONAME_ST % libname
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self.env.append_value('LINKFLAGS', v.split())
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