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CHRPATH_BIN ?= "chrpath"
PREPROCESS_RELOCATE_DIRS ?= ""
def process_file_linux(cmd, fpath, rootdir, baseprefix, tmpdir, d):
import subprocess as sub
p = sub.Popen([cmd, '-l', fpath],stdout=sub.PIPE,stderr=sub.PIPE)
out, err = p.communicate()
# If returned successfully, process stdout for results
if p.returncode != 0:
return
out = out.decode('utf-8')
# Handle RUNPATH as well as RPATH
out = out.replace("RUNPATH=","RPATH=")
# Throw away everything other than the rpath list
curr_rpath = out.partition("RPATH=")[2]
#bb.note("Current rpath for %s is %s" % (fpath, curr_rpath.strip()))
rpaths = curr_rpath.split(":")
new_rpaths = []
modified = False
for rpath in rpaths:
# If rpath is already dynamic copy it to new_rpath and continue
if rpath.find("$ORIGIN") != -1:
new_rpaths.append(rpath.strip())
continue
rpath = os.path.normpath(rpath)
if baseprefix not in rpath and tmpdir not in rpath:
new_rpaths.append(rpath.strip())
continue
new_rpaths.append("$ORIGIN/" + os.path.relpath(rpath.strip(), os.path.dirname(fpath.replace(rootdir, "/"))))
modified = True
# if we have modified some rpaths call chrpath to update the binary
if modified:
args = ":".join(new_rpaths)
#bb.note("Setting rpath for %s to %s" %(fpath, args))
p = sub.Popen([cmd, '-r', args, fpath],stdout=sub.PIPE,stderr=sub.PIPE)
out, err = p.communicate()
if p.returncode != 0:
bb.error("%s: chrpath command failed with exit code %d:\n%s%s" % (d.getVar('PN', True), p.returncode, out, err))
raise bb.build.FuncFailed
def process_file_darwin(cmd, fpath, rootdir, baseprefix, tmpdir, d):
import subprocess as sub
p = sub.Popen([d.expand("${HOST_PREFIX}otool"), '-L', fpath],stdout=sub.PIPE,stderr=sub.PIPE)
out, err = p.communicate()
# If returned successfully, process stdout for results
if p.returncode != 0:
return
for l in out.split("\n"):
if "(compatibility" not in l:
continue
rpath = l.partition("(compatibility")[0].strip()
if baseprefix not in rpath:
continue
newpath = "@loader_path/" + os.path.relpath(rpath, os.path.dirname(fpath.replace(rootdir, "/")))
p = sub.Popen([d.expand("${HOST_PREFIX}install_name_tool"), '-change', rpath, newpath, fpath],stdout=sub.PIPE,stderr=sub.PIPE)
out, err = p.communicate()
def process_dir (rootdir, directory, d):
import stat
rootdir = os.path.normpath(rootdir)
cmd = d.expand('${CHRPATH_BIN}')
tmpdir = os.path.normpath(d.getVar('TMPDIR', False))
baseprefix = os.path.normpath(d.expand('${base_prefix}'))
hostos = d.getVar("HOST_OS", True)
#bb.debug("Checking %s for binaries to process" % directory)
if not os.path.exists(directory):
return
if "linux" in hostos:
process_file = process_file_linux
elif "darwin" in hostos:
process_file = process_file_darwin
else:
# Relocations not supported
return
dirs = os.listdir(directory)
for file in dirs:
fpath = directory + "/" + file
fpath = os.path.normpath(fpath)
if os.path.islink(fpath):
# Skip symlinks
continue
if os.path.isdir(fpath):
process_dir(rootdir, 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)
process_file(cmd, fpath, rootdir, baseprefix, tmpdir, d)
if perms:
os.chmod(fpath, perms)
def rpath_replace (path, d):
bindirs = d.expand("${bindir} ${sbindir} ${base_sbindir} ${base_bindir} ${libdir} ${base_libdir} ${libexecdir} ${PREPROCESS_RELOCATE_DIRS}").split()
for bindir in bindirs:
#bb.note ("Processing directory " + bindir)
directory = path + "/" + bindir
process_dir (path, directory, d)
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