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.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