diff options
Diffstat (limited to 'import-layers/yocto-poky/meta/classes/uninative.bbclass')
| -rw-r--r-- | import-layers/yocto-poky/meta/classes/uninative.bbclass | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/classes/uninative.bbclass b/import-layers/yocto-poky/meta/classes/uninative.bbclass new file mode 100644 index 000000000..89cec07d7 --- /dev/null +++ b/import-layers/yocto-poky/meta/classes/uninative.bbclass @@ -0,0 +1,140 @@ +UNINATIVE_LOADER ?= "${STAGING_DIR}-uninative/${BUILD_ARCH}-linux/lib/${@bb.utils.contains('BUILD_ARCH', 'x86_64', 'ld-linux-x86-64.so.2', 'ld-linux.so.2', d)}" + +UNINATIVE_URL ?= "unset" +UNINATIVE_TARBALL ?= "${BUILD_ARCH}-nativesdk-libc.tar.bz2" +# Example checksums +#UNINATIVE_CHECKSUM[i586] = "dead" +#UNINATIVE_CHECKSUM[x86_64] = "dead" +UNINATIVE_DLDIR ?= "${DL_DIR}/uninative/" + +# https://wiki.debian.org/GCC5 +# We may see binaries built with gcc5 run or linked into gcc4 environment +# so use the older libstdc++ standard for now until we don't support gcc4 +# on the host system. +BUILD_CXXFLAGS_append = " -D_GLIBCXX_USE_CXX11_ABI=0" + +# +# icu configure defaults to CXX11 if no -std= option is passed in CXXFLAGS +# therefore pass one +BUILD_CXXFLAGS_append_pn-icu-native = " -std=c++98" + +addhandler uninative_event_fetchloader +uninative_event_fetchloader[eventmask] = "bb.event.BuildStarted" + +addhandler uninative_event_enable +uninative_event_enable[eventmask] = "bb.event.ConfigParsed" + +python uninative_event_fetchloader() { + """ + This event fires on the parent and will try to fetch the tarball if the + loader isn't already present. + """ + + chksum = d.getVarFlag("UNINATIVE_CHECKSUM", d.getVar("BUILD_ARCH", True), True) + if not chksum: + bb.fatal("Uninative selected but not configured correctly, please set UNINATIVE_CHECKSUM[%s]" % d.getVar("BUILD_ARCH", True)) + + loader = d.getVar("UNINATIVE_LOADER", True) + loaderchksum = loader + ".chksum" + if os.path.exists(loader) and os.path.exists(loaderchksum): + with open(loaderchksum, "r") as f: + readchksum = f.read().strip() + if readchksum == chksum: + return + + import subprocess + try: + # Save and restore cwd as Fetch.download() does a chdir() + olddir = os.getcwd() + + tarball = d.getVar("UNINATIVE_TARBALL", True) + tarballdir = os.path.join(d.getVar("UNINATIVE_DLDIR", True), chksum) + tarballpath = os.path.join(tarballdir, tarball) + + if not os.path.exists(tarballpath): + bb.utils.mkdirhier(tarballdir) + if d.getVar("UNINATIVE_URL", True) == "unset": + bb.fatal("Uninative selected but not configured, please set UNINATIVE_URL") + + localdata = bb.data.createCopy(d) + localdata.setVar('FILESPATH', "") + localdata.setVar('DL_DIR', tarballdir) + + srcuri = d.expand("${UNINATIVE_URL}${UNINATIVE_TARBALL};sha256sum=%s" % chksum) + bb.note("Fetching uninative binary shim from %s" % 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): + os.symlink(localpath, tarballpath) + + cmd = d.expand("mkdir -p ${STAGING_DIR}-uninative; cd ${STAGING_DIR}-uninative; tar -xjf ${UNINATIVE_DLDIR}/%s/${UNINATIVE_TARBALL}; ${STAGING_DIR}-uninative/relocate_sdk.py ${STAGING_DIR}-uninative/${BUILD_ARCH}-linux ${UNINATIVE_LOADER} ${UNINATIVE_LOADER} ${STAGING_DIR}-uninative/${BUILD_ARCH}-linux/${bindir_native}/patchelf-uninative ${STAGING_DIR}-uninative/${BUILD_ARCH}-linux${base_libdir_native}/libc*.so" % chksum) + subprocess.check_call(cmd, shell=True) + + with open(loaderchksum, "w") as f: + f.write(chksum) + + enable_uninative(d) + + except bb.fetch2.BBFetchException as exc: + bb.warn("Disabling uninative as unable to fetch uninative tarball: %s" % str(exc)) + bb.warn("To build your own uninative loader, please bitbake uninative-tarball and set UNINATIVE_TARBALL appropriately.") + except subprocess.CalledProcessError as exc: + bb.warn("Disabling uninative as unable to install uninative tarball: %s" % str(exc)) + bb.warn("To build your own uninative loader, please bitbake uninative-tarball and set UNINATIVE_TARBALL appropriately.") + finally: + os.chdir(olddir) +} + +python uninative_event_enable() { + """ + This event handler is called in the workers and is responsible for setting + up uninative if a loader is found. + """ + enable_uninative(d) +} + +def enable_uninative(d): + loader = d.getVar("UNINATIVE_LOADER", True) + if os.path.exists(loader): + bb.debug(2, "Enabling uninative") + d.setVar("NATIVELSBSTRING", "universal") + d.appendVar("SSTATEPOSTUNPACKFUNCS", " uninative_changeinterp") + d.prependVar("PATH", "${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', True) + 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 + + try: + subprocess.check_output(("patchelf-uninative", "--set-interpreter", + d.getVar("UNINATIVE_LOADER", True), f), + stderr=subprocess.STDOUT) + except subprocess.CalledProcessError as e: + bb.fatal("'%s' failed with exit code %d and the following output:\n%s" % + (e.cmd, e.returncode, e.output)) +} |
