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SYSROOT_PREPROCESS_FUNCS += "relocatable_binaries_preprocess"
CHRPATH_BIN ?= "chrpath"
PREPROCESS_RELOCATE_DIRS ?= ""
def rpath_replace (path, d):
import subprocess as sub
cmd = bb.data.expand('${CHRPATH_BIN}', d)
bindirs = bb.data.expand("${bindir} ${sbindir} ${base_sbindir} ${base_bindir} ${libdir} ${base_libdir} ${PREPROCESS_RELOCATE_DIRS}", d).split()
tmpdir = bb.data.getVar('TMPDIR', d)
basedir = bb.data.expand('${base_prefix}', d)
for d in bindirs:
dir = path + "/" + d
bb.debug("Checking %s for binaries to process" % dir)
if not os.path.exists(dir):
continue
for file in os.listdir(dir):
fpath = dir + "/" + file
if os.path.islink(fpath):
fpath = os.readlink(fpath)
if not os.path.isabs(fpath):
fpath = os.path.normpath(os.path.join(dir, fpath))
#bb.note("Testing %s for relocatability" % fpath)
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 to " + args)
sub.call([cmd, '-r', args, fpath])
python relocatable_binaries_preprocess() {
rpath_replace(bb.data.expand('${SYSROOT_DESTDIR}', d), d)
}
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