Add recipe for google protobuf cpp implementation

pythonforandroid/recipes/protobuf_cpp/__init__.py

@@ -0,0 +1,104 @@
+from pythonforandroid.recipe import PythonRecipe
+from pythonforandroid.logger import shprint
+from pythonforandroid.util import current_directory
+from os.path import exists, join, dirname
+import sh
+from multiprocessing import cpu_count
+
+
+from pythonforandroid.toolchain import info
+
+
+class ProtobufCppRecipe(PythonRecipe):
+	name = 'protobuf_cpp'
+	version = '3.1.0'
+	url = 'https://github.com/google/protobuf/releases/download/v{version}/protobuf-python-{version}.tar.gz'
+	call_hostpython_via_targetpython = False
+	depends = ['cffi', 'setuptools']
+	site_packages_name = 'google/protobuf/pyext'
+
+	def build_arch(self, arch):
+		env = self.get_recipe_env(arch)
+
+		# Build libproto.a
+		with current_directory(self.get_build_dir(arch.arch)):
+			env['HOSTARCH'] = 'arm-eabi'
+			env['BUILDARCH'] = shprint(sh.gcc, '-dumpmachine').stdout.decode('utf-8').split('\n')[0]
+
+			if not exists('configure'):
+				shprint(sh.Command('./autogen.sh'), _env=env)
+
+			shprint(sh.Command('./configure'),
+								'--host={}'.format(env['HOSTARCH']),
+								'--enable-shared',
+								_env=env)
+
+			with current_directory(join(self.get_build_dir(arch.arch), 'src')):
+				shprint(sh.make, 'libprotobuf.la', '-j'+str(cpu_count()), _env=env)
+				shprint(sh.cp, '.libs/libprotobuf.a', join(self.ctx.get_libs_dir(arch.arch), 'libprotobuf.a'))
+
+		# Build python bindings and _message.so
+		with current_directory(join(self.get_build_dir(arch.arch), 'python')):
+			hostpython = sh.Command(self.hostpython_location)
+			shprint(hostpython,
+					'setup.py',
+					'build_ext',
+					'--cpp_implementation'
+					, _env=env)
+
+		# Install python bindings
+		self.install_python_package(arch)
+
+
+	def install_python_package(self, arch):
+		env = self.get_recipe_env(arch)
+
+		info('Installing {} into site-packages'.format(self.name))
+
+		with current_directory(join(self.get_build_dir(arch.arch), 'python')):
+			hostpython = sh.Command(self.hostpython_location)
+
+			if self.ctx.python_recipe.from_crystax:
+				hpenv = env.copy()
+				shprint(hostpython, 'setup.py', 'install', '-O2',
+						'--root={}'.format(self.ctx.get_python_install_dir()),
+						'--install-lib=.',
+						'--cpp_implementation',
+						_env=hpenv, *self.setup_extra_args)
+			else:
+				hppath = join(dirname(self.hostpython_location), 'Lib',
+							  'site-packages')
+				hpenv = env.copy()
+				if 'PYTHONPATH' in hpenv:
+					hpenv['PYTHONPATH'] = ':'.join([hppath] +
+												   hpenv['PYTHONPATH'].split(':'))
+				else:
+					hpenv['PYTHONPATH'] = hppath
+				shprint(hostpython, 'setup.py', 'install', '-O2',
+						'--root={}'.format(self.ctx.get_python_install_dir()),
+						'--install-lib=lib/python2.7/site-packages',
+						'--cpp_implementation',
+						_env=hpenv, *self.setup_extra_args)
+
+
+	def get_recipe_env(self, arch):
+		env = super(ProtobufCppRecipe, self).get_recipe_env(arch)
+		env['PROTOC'] = '/home/fipo/soft/protobuf-3.1.0/src/protoc'
+		env['PYTHON_ROOT'] = self.ctx.get_python_install_dir()
+		env['TARGET_OS'] = 'OS_ANDROID_CROSSCOMPILE'
+		env['CFLAGS'] += ' -I' + self.ctx.ndk_dir + '/platforms/android-' + str(
+			self.ctx.android_api) + '/arch-' + arch.arch.replace('eabi', '') + '/usr/include' + \
+						 ' -I' + self.ctx.ndk_dir + '/sources/cxx-stl/gnu-libstdc++/' + self.ctx.toolchain_version + '/include' + \
+						 ' -I' + self.ctx.ndk_dir + '/sources/cxx-stl/gnu-libstdc++/' + self.ctx.toolchain_version + '/libs/' + arch.arch + '/include' + \
+						 ' -I' + env['PYTHON_ROOT'] + '/include/python2.7'
+		env['CXXFLAGS'] = env['CFLAGS']
+		env['CXXFLAGS'] += ' -frtti'
+		env['CXXFLAGS'] += ' -fexceptions'
+		env['LDFLAGS'] += ' -L' + self.ctx.ndk_dir + '/sources/cxx-stl/gnu-libstdc++/' + self.ctx.toolchain_version + '/libs/' + arch.arch + \
+						  ' -lgnustl_shared -lpython2.7'
+
+		env['LDSHARED'] = env['CC'] + ' -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions'
+		return env
+
+
+recipe = ProtobufCppRecipe()