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