forked from brl/citadel
124 lines
4.6 KiB
Plaintext
124 lines
4.6 KiB
Plaintext
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CHRPATH_BIN ?= "chrpath"
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PREPROCESS_RELOCATE_DIRS ?= ""
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def process_file_linux(cmd, fpath, rootdir, baseprefix, tmpdir, d):
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import subprocess as sub
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p = sub.Popen([cmd, '-l', fpath],stdout=sub.PIPE,stderr=sub.PIPE)
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out, err = p.communicate()
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# If returned successfully, process stdout for results
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if p.returncode != 0:
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return
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out = out.decode('utf-8')
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# Handle RUNPATH as well as RPATH
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out = out.replace("RUNPATH=","RPATH=")
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# Throw away everything other than the rpath list
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curr_rpath = out.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.strip().split(":")
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new_rpaths = []
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modified = False
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for rpath in rpaths:
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# If rpath is already dynamic copy it to new_rpath and continue
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if rpath.find("$ORIGIN") != -1:
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new_rpaths.append(rpath)
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continue
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rpath = os.path.normpath(rpath)
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if baseprefix not in rpath and tmpdir not in rpath:
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# Skip standard search paths
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if rpath in ['/lib', '/usr/lib', '/lib64/', '/usr/lib64']:
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bb.warn("Skipping RPATH %s as is a standard search path for %s" % (rpath, fpath))
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modified = True
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continue
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new_rpaths.append(rpath)
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continue
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new_rpaths.append("$ORIGIN/" + os.path.relpath(rpath, os.path.dirname(fpath.replace(rootdir, "/"))))
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modified = True
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# if we have modified some rpaths call chrpath to update the binary
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if modified:
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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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p = sub.Popen([cmd, '-r', args, fpath],stdout=sub.PIPE,stderr=sub.PIPE)
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out, err = p.communicate()
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if p.returncode != 0:
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bb.fatal("%s: chrpath command failed with exit code %d:\n%s%s" % (d.getVar('PN'), p.returncode, out, err))
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def process_file_darwin(cmd, fpath, rootdir, baseprefix, tmpdir, d):
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import subprocess as sub
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p = sub.Popen([d.expand("${HOST_PREFIX}otool"), '-L', fpath],stdout=sub.PIPE,stderr=sub.PIPE)
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out, err = p.communicate()
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# If returned successfully, process stdout for results
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if p.returncode != 0:
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return
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for l in out.split("\n"):
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if "(compatibility" not in l:
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continue
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rpath = l.partition("(compatibility")[0].strip()
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if baseprefix not in rpath:
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continue
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newpath = "@loader_path/" + os.path.relpath(rpath, os.path.dirname(fpath.replace(rootdir, "/")))
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p = sub.Popen([d.expand("${HOST_PREFIX}install_name_tool"), '-change', rpath, newpath, fpath],stdout=sub.PIPE,stderr=sub.PIPE)
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out, err = p.communicate()
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def process_dir (rootdir, directory, d):
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import stat
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rootdir = os.path.normpath(rootdir)
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cmd = d.expand('${CHRPATH_BIN}')
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tmpdir = os.path.normpath(d.getVar('TMPDIR', False))
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baseprefix = os.path.normpath(d.expand('${base_prefix}'))
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hostos = d.getVar("HOST_OS")
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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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if "linux" in hostos:
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process_file = process_file_linux
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elif "darwin" in hostos:
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process_file = process_file_darwin
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else:
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# Relocations not supported
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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(rootdir, 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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process_file(cmd, fpath, rootdir, baseprefix, tmpdir, d)
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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 = d.expand("${bindir} ${sbindir} ${base_sbindir} ${base_bindir} ${libdir} ${base_libdir} ${libexecdir} ${PREPROCESS_RELOCATE_DIRS}").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 (path, directory, d)
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