mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-23 10:15:57 +01:00
dae60aa248
Then inside, split packages/lkmc into kernel_modules and userland, to keep userland out of the kernel_modules parent path, which makes no sense. Copy built modules and userland to the output rootfs overlay. Document Linux distro tradeoffs.
71 lines
2.2 KiB
Python
Executable File
71 lines
2.2 KiB
Python
Executable File
#!/usr/bin/env python3
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import distutils.file_util
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import multiprocessing
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import os
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import platform
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import shutil
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import subprocess
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import time
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import common
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parser = common.get_argparse(argparse_args={
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'description': 'Build our compiled userland examples',
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})
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common.add_build_arguments(parser)
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parser.add_argument(
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'--has-package',
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action='append',
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default=[],
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help='''\
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Indicate that a given package is present in the root filesystem, which
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allows us to build examples that rely on it.
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''',
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)
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parser.add_argument(
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'targets',
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default=[],
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help='''\
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Build only the given userland programs.
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Default: build all examples that have their package dependencies met.
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For example, an OpenBLAS example can only be built if the target root filesystem
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has the OpenBLAS libraries and headers installed.
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''',
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metavar='programs',
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nargs='*',
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)
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args = common.setup(parser)
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if args.clean:
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common.rmrf(common.userland_build_dir)
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else:
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start_time = time.time()
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os.makedirs(common.userland_build_dir, exist_ok=True)
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allowed_toolchains = ['buildroot']
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cc = common.get_toolchain_tool('gcc', allowed_toolchains=allowed_toolchains)
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cxx = common.get_toolchain_tool('g++', allowed_toolchains=allowed_toolchains)
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assert common.run_cmd(
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(
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[
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'make',
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'-j', str(multiprocessing.cpu_count()),
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'CC={}'.format(cc),
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'CXX={}'.format(cxx),
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'PKG_CONFIG={}'.format(common.buildroot_pkg_config),
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'STAGING_DIR={}'.format(common.buildroot_staging_dir),
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'OUT_DIR={}'.format(common.userland_build_dir),
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] +
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['HAS_{}=y'.format(package.upper()) for package in args.has_package] +
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[os.path.join(common.userland_build_dir, os.path.splitext(os.path.split(target)[1])[0]) + common.executable_ext for target in args.targets]
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),
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cwd=common.userland_src_dir,
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extra_paths=[common.ccache_dir],
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) == 0
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common.copy_dir_if_update_non_recursive(
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srcdir=common.userland_build_dir,
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destdir=common.out_rootfs_overlay_dir,
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filter_ext=common.executable_ext,
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)
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end_time = time.time()
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common.print_time(end_time - start_time)
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