104 lines
2.9 KiB
Python
104 lines
2.9 KiB
Python
"""
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Copyright 2018 Oliver Smith
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This file is part of pmbootstrap.
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pmbootstrap is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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pmbootstrap is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with pmbootstrap. If not, see <http://www.gnu.org/licenses/>.
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"""
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import fnmatch
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import logging
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import os
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import pmb.config
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import pmb.chroot.apk
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import pmb.helpers.pmaports
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import pmb.parse.arch
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def arch_from_deviceinfo(args, pkgname, aport):
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"""
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The device- packages are noarch packages. But it only makes sense to build
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them for the device's architecture, which is specified in the deviceinfo
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file.
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:returns: None (no deviceinfo file)
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arch from the deviceinfo (e.g. "armhf")
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"""
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# Require a deviceinfo file in the aport
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if not pkgname.startswith("device-"):
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return
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deviceinfo = aport + "/deviceinfo"
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if not os.path.exists(deviceinfo):
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return
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# Return its arch
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device = pkgname.split("-", 1)[1]
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arch = pmb.parse.deviceinfo(args, device)["arch"]
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logging.verbose(pkgname + ": arch from deviceinfo: " + arch)
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return arch
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def arch(args, pkgname):
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"""
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Find a good default in case the user did not specify for which architecture
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a package should be built.
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:returns: arch string like "x86_64" or "armhf". Preferred order, depending
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on what is supported by the APKBUILD:
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* native arch
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* device arch
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* first arch in the APKBUILD
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"""
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aport = pmb.helpers.pmaports.find(args, pkgname)
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ret = arch_from_deviceinfo(args, pkgname, aport)
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if ret:
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return ret
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apkbuild = pmb.parse.apkbuild(args, aport + "/APKBUILD")
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arches = apkbuild["arch"]
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if "noarch" in arches or "all" in arches or args.arch_native in arches:
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return args.arch_native
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arch_device = args.deviceinfo["arch"]
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if arch_device in arches:
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return arch_device
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return apkbuild["arch"][0]
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def suffix(args, apkbuild, arch):
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if arch == args.arch_native:
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return "native"
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pkgname = apkbuild["pkgname"]
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if args.cross:
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for pattern in pmb.config.build_cross_native:
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if fnmatch.fnmatch(pkgname, pattern):
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return "native"
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return "buildroot_" + arch
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def crosscompile(args, apkbuild, arch, suffix):
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"""
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:returns: None, "native" or "distcc"
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"""
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if not args.cross:
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return None
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if not pmb.parse.arch.cpu_emulation_required(args, arch):
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return None
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if suffix == "native":
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return "native"
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return "distcc"
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