80 lines
3 KiB
Python
80 lines
3 KiB
Python
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'''
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known to build with cmake version 3.23.2 and NDK r21e.
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See https://gitlab.kitware.com/cmake/cmake/-/issues/18739
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'''
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from pythonforandroid.recipe import Recipe
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from pythonforandroid.logger import shprint
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from pythonforandroid.util import current_directory, ensure_dir, BuildInterruptingException
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from multiprocessing import cpu_count
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from os.path import join
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import sh
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import shutil
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from os import environ
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from pythonforandroid.util import build_platform
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arch_to_sysroot = {'armeabi': 'arm', 'armeabi-v7a': 'arm', 'arm64-v8a': 'arm64'}
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def arch_to_toolchain(arch):
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if 'arm' in arch.arch:
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return arch.command_prefix
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return arch.arch
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class LapackRecipe(Recipe):
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name = 'lapack'
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version = 'v3.10.1'
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url = 'https://github.com/Reference-LAPACK/lapack/archive/{version}.tar.gz'
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libdir = 'build/install/lib'
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built_libraries = {'libblas.so': libdir, 'liblapack.so': libdir, 'libcblas.so': libdir}
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def get_recipe_env(self, arch):
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env = super().get_recipe_env(arch)
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ndk_dir = environ.get("LEGACY_NDK")
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if ndk_dir is None:
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raise BuildInterruptingException("Please set the environment variable 'LEGACY_NDK' to point to a NDK location with gcc/gfortran support (supported NDK version: 'r21e')")
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GCC_VER = '4.9'
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HOST = build_platform
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sysroot_suffix = arch_to_sysroot.get(arch.arch, arch.arch)
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sysroot = f"{ndk_dir}/platforms/{env['NDK_API']}/arch-{sysroot_suffix}"
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FC = f"{ndk_dir}/toolchains/{arch_to_toolchain(arch)}-{GCC_VER}/prebuilt/{HOST}/bin/{arch.command_prefix}-gfortran"
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env['FC'] = f'{FC} --sysroot={sysroot}'
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if shutil.which(FC) is None:
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raise BuildInterruptingException(f"{FC} not found. See https://github.com/mzakharo/android-gfortran")
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return env
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def build_arch(self, arch):
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source_dir = self.get_build_dir(arch.arch)
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build_target = join(source_dir, 'build')
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install_target = join(build_target, 'install')
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ensure_dir(build_target)
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with current_directory(build_target):
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env = self.get_recipe_env(arch)
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ndk_dir = environ["LEGACY_NDK"]
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shprint(sh.rm, '-rf', 'CMakeFiles/', 'CMakeCache.txt', _env=env)
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opts = [
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'-DCMAKE_SYSTEM_NAME=Android',
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'-DCMAKE_POSITION_INDEPENDENT_CODE=1',
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'-DCMAKE_ANDROID_ARCH_ABI={arch}'.format(arch=arch.arch),
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'-DCMAKE_ANDROID_NDK=' + ndk_dir,
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'-DCMAKE_ANDROID_API={api}'.format(api=self.ctx.ndk_api),
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'-DCMAKE_BUILD_TYPE=Release',
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'-DCMAKE_INSTALL_PREFIX={}'.format(install_target),
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'-DCBLAS=ON',
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'-DBUILD_SHARED_LIBS=ON',
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]
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if arch.arch == 'armeabi-v7a':
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opts.append('-DCMAKE_ANDROID_ARM_NEON=ON')
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shprint(sh.cmake, source_dir, *opts, _env=env)
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shprint(sh.make, '-j' + str(cpu_count()), _env=env)
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shprint(sh.make, 'install', _env=env)
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recipe = LapackRecipe()
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