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