174 lines
8.0 KiB
Plaintext
174 lines
8.0 KiB
Plaintext
UNINATIVE_LOADER ?= "${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux/lib/${@bb.utils.contains('BUILD_ARCH', 'x86_64', 'ld-linux-x86-64.so.2', '', d)}${@bb.utils.contains('BUILD_ARCH', 'i686', 'ld-linux.so.2', '', d)}${@bb.utils.contains('BUILD_ARCH', 'aarch64', 'ld-linux-aarch64.so.1', '', d)}${@bb.utils.contains('BUILD_ARCH', 'ppc64le', 'ld64.so.2', '', d)}"
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UNINATIVE_STAGING_DIR ?= "${STAGING_DIR}"
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UNINATIVE_URL ?= "unset"
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UNINATIVE_TARBALL ?= "${BUILD_ARCH}-nativesdk-libc-${UNINATIVE_VERSION}.tar.xz"
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# Example checksums
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#UNINATIVE_CHECKSUM[aarch64] = "dead"
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#UNINATIVE_CHECKSUM[i686] = "dead"
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#UNINATIVE_CHECKSUM[x86_64] = "dead"
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UNINATIVE_DLDIR ?= "${DL_DIR}/uninative/"
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# Enabling uninative will change the following variables so they need to go the parsing ignored variables list to prevent multiple recipe parsing
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BB_HASHCONFIG_IGNORE_VARS += "NATIVELSBSTRING SSTATEPOSTUNPACKFUNCS BUILD_LDFLAGS"
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addhandler uninative_event_fetchloader
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uninative_event_fetchloader[eventmask] = "bb.event.BuildStarted"
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addhandler uninative_event_enable
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uninative_event_enable[eventmask] = "bb.event.ConfigParsed"
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python uninative_event_fetchloader() {
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"""
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This event fires on the parent and will try to fetch the tarball if the
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loader isn't already present.
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"""
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chksum = d.getVarFlag("UNINATIVE_CHECKSUM", d.getVar("BUILD_ARCH"))
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if not chksum:
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bb.fatal("Uninative selected but not configured correctly, please set UNINATIVE_CHECKSUM[%s]" % d.getVar("BUILD_ARCH"))
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loader = d.getVar("UNINATIVE_LOADER")
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loaderchksum = loader + ".chksum"
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if os.path.exists(loader) and os.path.exists(loaderchksum):
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with open(loaderchksum, "r") as f:
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readchksum = f.read().strip()
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if readchksum == chksum:
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return
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import subprocess
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try:
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# Save and restore cwd as Fetch.download() does a chdir()
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olddir = os.getcwd()
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tarball = d.getVar("UNINATIVE_TARBALL")
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tarballdir = os.path.join(d.getVar("UNINATIVE_DLDIR"), chksum)
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tarballpath = os.path.join(tarballdir, tarball)
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if not os.path.exists(tarballpath + ".done"):
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bb.utils.mkdirhier(tarballdir)
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if d.getVar("UNINATIVE_URL") == "unset":
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bb.fatal("Uninative selected but not configured, please set UNINATIVE_URL")
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localdata = bb.data.createCopy(d)
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localdata.setVar('FILESPATH', "")
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localdata.setVar('DL_DIR', tarballdir)
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# Our games with path manipulation of DL_DIR mean standard PREMIRRORS don't work
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# and we can't easily put 'chksum' into the url path from a url parameter with
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# the current fetcher url handling
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premirrors = bb.fetch2.mirror_from_string(localdata.getVar("PREMIRRORS"))
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for line in premirrors:
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try:
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(find, replace) = line
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except ValueError:
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continue
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if find.startswith("http"):
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localdata.appendVar("PREMIRRORS", " ${UNINATIVE_URL}${UNINATIVE_TARBALL} %s/uninative/%s/${UNINATIVE_TARBALL}" % (replace, chksum))
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srcuri = d.expand("${UNINATIVE_URL}${UNINATIVE_TARBALL};sha256sum=%s" % chksum)
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bb.note("Fetching uninative binary shim %s (will check PREMIRRORS first)" % srcuri)
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fetcher = bb.fetch2.Fetch([srcuri], localdata, cache=False)
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fetcher.download()
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localpath = fetcher.localpath(srcuri)
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if localpath != tarballpath and os.path.exists(localpath) and not os.path.exists(tarballpath):
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# Follow the symlink behavior from the bitbake fetch2.
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# This will cover the case where an existing symlink is broken
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# as well as if there are two processes trying to create it
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# at the same time.
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if os.path.islink(tarballpath):
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# Broken symbolic link
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os.unlink(tarballpath)
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# Deal with two processes trying to make symlink at once
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try:
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os.symlink(localpath, tarballpath)
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except FileExistsError:
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pass
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# ldd output is "ldd (Ubuntu GLIBC 2.23-0ubuntu10) 2.23", extract last option from first line
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glibcver = subprocess.check_output(["ldd", "--version"]).decode('utf-8').split('\n')[0].split()[-1]
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if bb.utils.vercmp_string(d.getVar("UNINATIVE_MAXGLIBCVERSION"), glibcver) < 0:
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raise RuntimeError("Your host glibc version (%s) is newer than that in uninative (%s). Disabling uninative so that sstate is not corrupted." % (glibcver, d.getVar("UNINATIVE_MAXGLIBCVERSION")))
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cmd = d.expand("\
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mkdir -p ${UNINATIVE_STAGING_DIR}-uninative; \
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cd ${UNINATIVE_STAGING_DIR}-uninative; \
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tar -xJf ${UNINATIVE_DLDIR}/%s/${UNINATIVE_TARBALL}; \
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${UNINATIVE_STAGING_DIR}-uninative/relocate_sdk.py \
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${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux \
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${UNINATIVE_LOADER} \
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${UNINATIVE_LOADER} \
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${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux/${bindir_native}/patchelf-uninative \
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${UNINATIVE_STAGING_DIR}-uninative/${BUILD_ARCH}-linux${base_libdir_native}/libc*.so*" % chksum)
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subprocess.check_output(cmd, shell=True)
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with open(loaderchksum, "w") as f:
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f.write(chksum)
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enable_uninative(d)
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except RuntimeError as e:
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bb.warn(str(e))
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except bb.fetch2.BBFetchException as exc:
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bb.warn("Disabling uninative as unable to fetch uninative tarball: %s" % str(exc))
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bb.warn("To build your own uninative loader, please bitbake uninative-tarball and set UNINATIVE_TARBALL appropriately.")
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except subprocess.CalledProcessError as exc:
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bb.warn("Disabling uninative as unable to install uninative tarball: %s" % str(exc))
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bb.warn("To build your own uninative loader, please bitbake uninative-tarball and set UNINATIVE_TARBALL appropriately.")
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finally:
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os.chdir(olddir)
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}
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python uninative_event_enable() {
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"""
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This event handler is called in the workers and is responsible for setting
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up uninative if a loader is found.
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"""
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enable_uninative(d)
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}
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def enable_uninative(d):
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loader = d.getVar("UNINATIVE_LOADER")
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if os.path.exists(loader):
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bb.debug(2, "Enabling uninative")
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d.setVar("NATIVELSBSTRING", "universal%s" % oe.utils.host_gcc_version(d))
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d.appendVar("SSTATEPOSTUNPACKFUNCS", " uninative_changeinterp")
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d.appendVarFlag("SSTATEPOSTUNPACKFUNCS", "vardepvalueexclude", "| uninative_changeinterp")
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d.appendVar("BUILD_LDFLAGS", " -Wl,--allow-shlib-undefined -Wl,--dynamic-linker=${UNINATIVE_LOADER}")
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d.appendVarFlag("BUILD_LDFLAGS", "vardepvalueexclude", "| -Wl,--allow-shlib-undefined -Wl,--dynamic-linker=${UNINATIVE_LOADER}")
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d.appendVarFlag("BUILD_LDFLAGS", "vardepsexclude", "UNINATIVE_LOADER")
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d.prependVar("PATH", "${STAGING_DIR}-uninative/${BUILD_ARCH}-linux${bindir_native}:")
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python uninative_changeinterp () {
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import subprocess
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import stat
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import oe.qa
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if not (bb.data.inherits_class('native', d) or bb.data.inherits_class('crosssdk', d) or bb.data.inherits_class('cross', d)):
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return
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sstateinst = d.getVar('SSTATE_INSTDIR')
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for walkroot, dirs, files in os.walk(sstateinst):
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for file in files:
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if file.endswith(".so") or ".so." in file:
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continue
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f = os.path.join(walkroot, file)
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if os.path.islink(f):
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continue
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s = os.stat(f)
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if not ((s[stat.ST_MODE] & stat.S_IXUSR) or (s[stat.ST_MODE] & stat.S_IXGRP) or (s[stat.ST_MODE] & stat.S_IXOTH)):
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continue
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elf = oe.qa.ELFFile(f)
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try:
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elf.open()
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except oe.qa.NotELFFileError:
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continue
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if not elf.isDynamic():
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continue
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os.chmod(f, s[stat.ST_MODE] | stat.S_IWUSR)
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subprocess.check_output(("patchelf-uninative", "--set-interpreter", d.getVar("UNINATIVE_LOADER"), f), stderr=subprocess.STDOUT)
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os.chmod(f, s[stat.ST_MODE])
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}
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