SYSROOT_PREPROCESS_FUNCS += "relocatable_binaries_preprocess" CHRPATH_BIN ?= "chrpath" PREPROCESS_RELOCATE_DIRS ?= "" def process_dir (directory, d): import subprocess as sub import stat cmd = bb.data.expand('${CHRPATH_BIN}', d) tmpdir = bb.data.getVar('TMPDIR', d) basedir = bb.data.expand('${base_prefix}', d) #bb.debug("Checking %s for binaries to process" % directory) if not os.path.exists(directory): return dirs = os.listdir(directory) for file in dirs: fpath = directory + "/" + file if os.path.islink(fpath): fpath = os.readlink(fpath) if not os.path.isabs(fpath): # Skip symlinks continue if os.path.isdir(fpath): process_dir(fpath, d) else: #bb.note("Testing %s for relocatability" % fpath) # We need read and write permissions for chrpath, if we don't have # them then set them temporarily. Take a copy of the files # permissions so that we can restore them afterwards. perms = os.stat(fpath)[stat.ST_MODE] if os.access(fpath, os.W_OK|os.R_OK): perms = None else: # Temporarily make the file writeable so we can chrpath it os.chmod(fpath, perms|stat.S_IRWXU) p = sub.Popen([cmd, '-l', fpath],stdout=sub.PIPE,stderr=sub.PIPE) err, out = p.communicate() # If returned succesfully, process stderr for results if p.returncode != 0: continue # Throw away everything other than the rpath list curr_rpath = err.partition("RPATH=")[2] #bb.note("Current rpath for %s is %s" % (fpath, curr_rpath.strip())) rpaths = curr_rpath.split(":") new_rpaths = [] for rpath in rpaths: # If rpath is already dynamic continue if rpath.find("$ORIGIN") != -1: continue # If the rpath shares a root with base_prefix determine a new dynamic rpath from the # base_prefix shared root if rpath.find(basedir) != -1: depth = fpath.partition(basedir)[2].count('/') libpath = rpath.partition(basedir)[2].strip() # otherwise (i.e. cross packages) determine a shared root based on the TMPDIR # NOTE: This will not work reliably for cross packages, particularly in the case # where your TMPDIR is a short path (i.e. /usr/poky) as chrpath cannot insert an # rpath longer than that which is already set. else: depth = fpath.rpartition(tmpdir)[2].count('/') libpath = rpath.partition(tmpdir)[2].strip() base = "$ORIGIN" while depth > 1: base += "/.." depth-=1 new_rpaths.append("%s%s" % (base, libpath)) # if we have modified some rpaths call chrpath to update the binary if len(new_rpaths): args = ":".join(new_rpaths) #bb.note("Setting rpath for %s to %s" %(fpath, args)) sub.call([cmd, '-r', args, fpath]) if perms: os.chmod(fpath, perms) def rpath_replace (path, d): bindirs = bb.data.expand("${bindir} ${sbindir} ${base_sbindir} ${base_bindir} ${libdir} ${base_libdir} ${PREPROCESS_RELOCATE_DIRS}", d).split() for bindir in bindirs: bb.note ("Processing directory " + bindir) directory = path + "/" + bindir process_dir (directory, d) python relocatable_binaries_preprocess() { rpath_replace(bb.data.expand('${SYSROOT_DESTDIR}', d), d) }