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from os.path import (join, dirname)
from os import environ, uname
import sys
from distutils.spawn import find_executable
from pythonforandroid.logger import warning
from pythonforandroid.recipe import Recipe
class Arch(object):
toolchain_prefix = None
'''The prefix for the toolchain dir in the NDK.'''
command_prefix = None
'''The prefix for NDK commands such as gcc.'''
def __init__(self, ctx):
super(Arch, self).__init__()
self.ctx = ctx
def __str__(self):
return self.arch
@property
def include_dirs(self):
return [
"{}/{}".format(
self.ctx.include_dir,
d.format(arch=self))
for d in self.ctx.include_dirs]
def get_env(self, with_flags_in_cc=True):
env = {}
env["CFLAGS"] = " ".join([
"-DANDROID", "-mandroid", "-fomit-frame-pointer",
"--sysroot", self.ctx.ndk_platform])
env["CXXFLAGS"] = env["CFLAGS"]
env["LDFLAGS"] = " ".join(['-lm', '-L' + self.ctx.get_libs_dir(self.arch)])
if self.ctx.ndk == 'crystax':
env['LDFLAGS'] += ' -L{}/sources/crystax/libs/{} -lcrystax'.format(self.ctx.ndk_dir, self.arch)
py_platform = sys.platform
if py_platform in ['linux2', 'linux3']:
py_platform = 'linux'
toolchain_prefix = self.ctx.toolchain_prefix
toolchain_version = self.ctx.toolchain_version
command_prefix = self.command_prefix
env['TOOLCHAIN_PREFIX'] = toolchain_prefix
env['TOOLCHAIN_VERSION'] = toolchain_version
ccache = ''
if self.ctx.ccache and bool(int(environ.get('USE_CCACHE', '1'))):
print('ccache found, will optimize builds')
ccache = self.ctx.ccache + ' '
env['USE_CCACHE'] = '1'
env['NDK_CCACHE'] = self.ctx.ccache
env.update({k: v for k, v in environ.items() if k.startswith('CCACHE_')})
print('path is', environ['PATH'])
cc = find_executable('{command_prefix}-gcc'.format(
command_prefix=command_prefix), path=environ['PATH'])
if cc is None:
warning('Couldn\'t find executable for CC. This indicates a '
'problem locating the {} executable in the Android '
'NDK, not that you don\'t have a normal compiler '
'installed. Exiting.')
exit(1)
if with_flags_in_cc:
env['CC'] = '{ccache}{command_prefix}-gcc {cflags}'.format(
command_prefix=command_prefix,
ccache=ccache,
cflags=env['CFLAGS'])
env['CXX'] = '{ccache}{command_prefix}-g++ {cxxflags}'.format(
command_prefix=command_prefix,
ccache=ccache,
cxxflags=env['CXXFLAGS'])
else:
env['CC'] = '{ccache}{command_prefix}-gcc'.format(
command_prefix=command_prefix,
ccache=ccache)
env['CXX'] = '{ccache}{command_prefix}-g++'.format(
command_prefix=command_prefix,
ccache=ccache)
env['AR'] = '{}-ar'.format(command_prefix)
env['RANLIB'] = '{}-ranlib'.format(command_prefix)
env['LD'] = '{}-ld'.format(command_prefix)
# env['LDSHARED'] = join(self.ctx.root_dir, 'tools', 'liblink')
# env['LDSHARED'] = env['LD']
env['STRIP'] = '{}-strip --strip-unneeded'.format(command_prefix)
env['MAKE'] = 'make -j5'
env['READELF'] = '{}-readelf'.format(command_prefix)
env['NM'] = '{}-nm'.format(command_prefix)
hostpython_recipe = Recipe.get_recipe('hostpython2', self.ctx)
# AND: This hardcodes python version 2.7, needs fixing
env['BUILDLIB_PATH'] = join(
hostpython_recipe.get_build_dir(self.arch),
'build', 'lib.linux-{}-2.7'.format(uname()[-1]))
env['PATH'] = environ['PATH']
env['ARCH'] = self.arch
if self.ctx.python_recipe and self.ctx.python_recipe.from_crystax:
env['CRYSTAX_PYTHON_VERSION'] = self.ctx.python_recipe.version
return env
class ArchARM(Arch):
arch = "armeabi"
toolchain_prefix = 'arm-linux-androideabi'
command_prefix = 'arm-linux-androideabi'
platform_dir = 'arch-arm'
class ArchARMv7_a(ArchARM):
arch = 'armeabi-v7a'
def get_env(self, with_flags_in_cc=True):
env = super(ArchARMv7_a, self).get_env(with_flags_in_cc)
env['CFLAGS'] = (env['CFLAGS'] +
(' -march=armv7-a -mfloat-abi=softfp '
'-mfpu=vfp -mthumb'))
env['CXXFLAGS'] = env['CFLAGS']
return env
class Archx86(Arch):
arch = 'x86'
toolchain_prefix = 'x86'
command_prefix = 'i686-linux-android'
platform_dir = 'arch-x86'
def get_env(self, with_flags_in_cc=True):
env = super(Archx86, self).get_env(with_flags_in_cc)
env['CFLAGS'] = (env['CFLAGS'] +
' -march=i686 -mtune=intel -mssse3 -mfpmath=sse -m32')
env['CXXFLAGS'] = env['CFLAGS']
return env
class Archx86_64(Arch):
arch = 'x86_64'
toolchain_prefix = 'x86'
command_prefix = 'x86_64-linux-android'
platform_dir = 'arch-x86'
def get_env(self, with_flags_in_cc=True):
env = super(Archx86_64, self).get_env(with_flags_in_cc)
env['CFLAGS'] = (env['CFLAGS'] +
' -march=x86-64 -msse4.2 -mpopcnt -m64 -mtune=intel')
env['CXXFLAGS'] = env['CFLAGS']
return env
class ArchAarch_64(Arch):
arch = 'arm64-v8a'
toolchain_prefix = 'aarch64-linux-android'
command_prefix = 'aarch64-linux-android'
platform_dir = 'arch-arm64'
def get_env(self, with_flags_in_cc=True):
env = super(ArchAarch_64, self).get_env(with_flags_in_cc)
incpath = ' -I' + join(dirname(__file__), 'includes', 'arm64-v8a')
env['EXTRA_CFLAGS'] = incpath
env['CFLAGS'] += incpath
env['CXXFLAGS'] += incpath
if with_flags_in_cc:
env['CC'] += incpath
env['CXX'] += incpath
return env