package: Move package functions to function library

Move the bulk of the remaining package "processing" functions over
to the package function library for parsing efficiency.

(From OE-Core rev: f8785117074908330faca0b99afa7f60ed6ad952)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1405 insertions, 3 deletions

diff --git a/meta/lib/oe/package.py b/meta/lib/oe/package.py
index b4c8ab7222..c9eb75d852 100644
--- a/meta/lib/oe/package.py
+++ b/meta/lib/oe/package.py
@@ -4,12 +4,19 @@
 # SPDX-License-Identifier: GPL-2.0-only
 #
 
+import errno
+import fnmatch
+import itertools
 import os
+import pipes
+import re
 import glob
 import stat
 import mmap
 import subprocess
 
+import oe.cachedpath
+
 def runstrip(arg):
     # Function to strip a single file, called from split_and_strip_files below
     # A working 'file' (one which works on the target architecture)
@@ -300,7 +307,6 @@ def read_shlib_providers(d):
 # the fs-perms.txt files
 def fixup_perms(d):
     import pwd, grp
-    import oe.cachedpath
 
     cpath = oe.cachedpath.CachedPath()
     dvar = d.getVar('PKGD')
@@ -537,8 +543,6 @@ def fixup_perms(d):
 # Get a list of files from file vars by searching files under current working directory
 # The list contains symlinks, directories and normal files.
 def files_from_filevars(filevars):
-    import oe.cachedpath
-
     cpath = oe.cachedpath.CachedPath()
     files = []
     for f in filevars:
@@ -611,3 +615,1401 @@ def get_conffiles(pkg, d):
     os.chdir(cwd)
     return conf_list
 
+def legitimize_package_name(s):
+    """
+    Make sure package names are legitimate strings
+    """
+
+    def fixutf(m):
+        cp = m.group(1)
+        if cp:
+            return ('\\u%s' % cp).encode('latin-1').decode('unicode_escape')
+
+    # Handle unicode codepoints encoded as <U0123>, as in glibc locale files.
+    s = re.sub(r'<U([0-9A-Fa-f]{1,4})>', fixutf, s)
+
+    # Remaining package name validity fixes
+    return s.lower().replace('_', '-').replace('@', '+').replace(',', '+').replace('/', '-')
+
+def split_locales(d):
+    cpath = oe.cachedpath.CachedPath()
+    if (d.getVar('PACKAGE_NO_LOCALE') == '1'):
+        bb.debug(1, "package requested not splitting locales")
+        return
+
+    packages = (d.getVar('PACKAGES') or "").split()
+
+    datadir = d.getVar('datadir')
+    if not datadir:
+        bb.note("datadir not defined")
+        return
+
+    dvar = d.getVar('PKGD')
+    pn = d.getVar('LOCALEBASEPN')
+
+    if pn + '-locale' in packages:
+        packages.remove(pn + '-locale')
+
+    localedir = os.path.join(dvar + datadir, 'locale')
+
+    if not cpath.isdir(localedir):
+        bb.debug(1, "No locale files in this package")
+        return
+
+    locales = os.listdir(localedir)
+
+    summary = d.getVar('SUMMARY') or pn
+    description = d.getVar('DESCRIPTION') or ""
+    locale_section = d.getVar('LOCALE_SECTION')
+    mlprefix = d.getVar('MLPREFIX') or ""
+    for l in sorted(locales):
+        ln = legitimize_package_name(l)
+        pkg = pn + '-locale-' + ln
+        packages.append(pkg)
+        d.setVar('FILES:' + pkg, os.path.join(datadir, 'locale', l))
+        d.setVar('RRECOMMENDS:' + pkg, '%svirtual-locale-%s' % (mlprefix, ln))
+        d.setVar('RPROVIDES:' + pkg, '%s-locale %s%s-translation' % (pn, mlprefix, ln))
+        d.setVar('SUMMARY:' + pkg, '%s - %s translations' % (summary, l))
+        d.setVar('DESCRIPTION:' + pkg, '%s  This package contains language translation files for the %s locale.' % (description, l))
+        if locale_section:
+            d.setVar('SECTION:' + pkg, locale_section)
+
+    d.setVar('PACKAGES', ' '.join(packages))
+
+    # Disabled by RP 18/06/07
+    # Wildcards aren't supported in debian
+    # They break with ipkg since glibc-locale* will mean that
+    # glibc-localedata-translit* won't install as a dependency
+    # for some other package which breaks meta-toolchain
+    # Probably breaks since virtual-locale- isn't provided anywhere
+    #rdep = (d.getVar('RDEPENDS:%s' % pn) or "").split()
+    #rdep.append('%s-locale*' % pn)
+    #d.setVar('RDEPENDS:%s' % pn, ' '.join(rdep))
+
+def package_debug_vars(d):
+    # We default to '.debug' style
+    if d.getVar('PACKAGE_DEBUG_SPLIT_STYLE') == 'debug-file-directory':
+        # Single debug-file-directory style debug info
+        debug_vars = {
+            "append": ".debug",
+            "staticappend": "",
+            "dir": "",
+            "staticdir": "",
+            "libdir": "/usr/lib/debug",
+            "staticlibdir": "/usr/lib/debug-static",
+            "srcdir": "/usr/src/debug",
+        }
+    elif d.getVar('PACKAGE_DEBUG_SPLIT_STYLE') == 'debug-without-src':
+        # Original OE-core, a.k.a. ".debug", style debug info, but without sources in /usr/src/debug
+        debug_vars = {
+            "append": "",
+            "staticappend": "",
+            "dir": "/.debug",
+            "staticdir": "/.debug-static",
+            "libdir": "",
+            "staticlibdir": "",
+            "srcdir": "",
+        }
+    elif d.getVar('PACKAGE_DEBUG_SPLIT_STYLE') == 'debug-with-srcpkg':
+        debug_vars = {
+            "append": "",
+            "staticappend": "",
+            "dir": "/.debug",
+            "staticdir": "/.debug-static",
+            "libdir": "",
+            "staticlibdir": "",
+            "srcdir": "/usr/src/debug",
+        }
+    else:
+        # Original OE-core, a.k.a. ".debug", style debug info
+        debug_vars = {
+            "append": "",
+            "staticappend": "",
+            "dir": "/.debug",
+            "staticdir": "/.debug-static",
+            "libdir": "",
+            "staticlibdir": "",
+            "srcdir": "/usr/src/debug",
+        }
+
+    return debug_vars
+
+
+def parse_debugsources_from_dwarfsrcfiles_output(dwarfsrcfiles_output):
+    debugfiles = {}
+
+    for line in dwarfsrcfiles_output.splitlines():
+        if line.startswith("\t"):
+            debugfiles[os.path.normpath(line.split()[0])] = ""
+
+    return debugfiles.keys()
+
+def source_info(file, d, fatal=True):
+    cmd = ["dwarfsrcfiles", file]
+    try:
+        output = subprocess.check_output(cmd, universal_newlines=True, stderr=subprocess.STDOUT)
+        retval = 0
+    except subprocess.CalledProcessError as exc:
+        output = exc.output
+        retval = exc.returncode
+
+    # 255 means a specific file wasn't fully parsed to get the debug file list, which is not a fatal failure
+    if retval != 0 and retval != 255:
+        msg = "dwarfsrcfiles failed with exit code %s (cmd was %s)%s" % (retval, cmd, ":\n%s" % output if output else "")
+        if fatal:
+            bb.fatal(msg)
+        bb.note(msg)
+
+    debugsources = parse_debugsources_from_dwarfsrcfiles_output(output)
+
+    return list(debugsources)
+
+def splitdebuginfo(file, dvar, dv, d):
+    # Function to split a single file into two components, one is the stripped
+    # target system binary, the other contains any debugging information. The
+    # two files are linked to reference each other.
+    #
+    # return a mapping of files:debugsources
+
+    src = file[len(dvar):]
+    dest = dv["libdir"] + os.path.dirname(src) + dv["dir"] + "/" + os.path.basename(src) + dv["append"]
+    debugfile = dvar + dest
+    sources = []
+
+    if file.endswith(".ko") and file.find("/lib/modules/") != -1:
+        if oe.package.is_kernel_module_signed(file):
+            bb.debug(1, "Skip strip on signed module %s" % file)
+            return (file, sources)
+
+    # Split the file...
+    bb.utils.mkdirhier(os.path.dirname(debugfile))
+    #bb.note("Split %s -> %s" % (file, debugfile))
+    # Only store off the hard link reference if we successfully split!
+
+    dvar = d.getVar('PKGD')
+    objcopy = d.getVar("OBJCOPY")
+
+    newmode = None
+    if not os.access(file, os.W_OK) or os.access(file, os.R_OK):
+        origmode = os.stat(file)[stat.ST_MODE]
+        newmode = origmode | stat.S_IWRITE | stat.S_IREAD
+        os.chmod(file, newmode)
+
+    # We need to extract the debug src information here...
+    if dv["srcdir"]:
+        sources = source_info(file, d)
+
+    bb.utils.mkdirhier(os.path.dirname(debugfile))
+
+    subprocess.check_output([objcopy, '--only-keep-debug', file, debugfile], stderr=subprocess.STDOUT)
+
+    # Set the debuglink to have the view of the file path on the target
+    subprocess.check_output([objcopy, '--add-gnu-debuglink', debugfile, file], stderr=subprocess.STDOUT)
+
+    if newmode:
+        os.chmod(file, origmode)
+
+    return (file, sources)
+
+def splitstaticdebuginfo(file, dvar, dv, d):
+    # Unlike the function above, there is no way to split a static library
+    # two components.  So to get similar results we will copy the unmodified
+    # static library (containing the debug symbols) into a new directory.
+    # We will then strip (preserving symbols) the static library in the
+    # typical location.
+    #
+    # return a mapping of files:debugsources
+
+    src = file[len(dvar):]
+    dest = dv["staticlibdir"] + os.path.dirname(src) + dv["staticdir"] + "/" + os.path.basename(src) + dv["staticappend"]
+    debugfile = dvar + dest
+    sources = []
+
+    # Copy the file...
+    bb.utils.mkdirhier(os.path.dirname(debugfile))
+    #bb.note("Copy %s -> %s" % (file, debugfile))
+
+    dvar = d.getVar('PKGD')
+
+    newmode = None
+    if not os.access(file, os.W_OK) or os.access(file, os.R_OK):
+        origmode = os.stat(file)[stat.ST_MODE]
+        newmode = origmode | stat.S_IWRITE | stat.S_IREAD
+        os.chmod(file, newmode)
+
+    # We need to extract the debug src information here...
+    if dv["srcdir"]:
+        sources = source_info(file, d)
+
+    bb.utils.mkdirhier(os.path.dirname(debugfile))
+
+    # Copy the unmodified item to the debug directory
+    shutil.copy2(file, debugfile)
+
+    if newmode:
+        os.chmod(file, origmode)
+
+    return (file, sources)
+
+def inject_minidebuginfo(file, dvar, dv, d):
+    # Extract just the symbols from debuginfo into minidebuginfo,
+    # compress it with xz and inject it back into the binary in a .gnu_debugdata section.
+    # https://sourceware.org/gdb/onlinedocs/gdb/MiniDebugInfo.html
+
+    readelf = d.getVar('READELF')
+    nm = d.getVar('NM')
+    objcopy = d.getVar('OBJCOPY')
+
+    minidebuginfodir = d.expand('${WORKDIR}/minidebuginfo')
+
+    src = file[len(dvar):]
+    dest = dv["libdir"] + os.path.dirname(src) + dv["dir"] + "/" + os.path.basename(src) + dv["append"]
+    debugfile = dvar + dest
+    minidebugfile = minidebuginfodir + src + '.minidebug'
+    bb.utils.mkdirhier(os.path.dirname(minidebugfile))
+
+    # If we didn't produce debuginfo for any reason, we can't produce minidebuginfo either
+    # so skip it.
+    if not os.path.exists(debugfile):
+        bb.debug(1, 'ELF file {} has no debuginfo, skipping minidebuginfo injection'.format(file))
+        return
+
+    # minidebuginfo does not make sense to apply to ELF objects other than
+    # executables and shared libraries, skip applying the minidebuginfo
+    # generation for objects like kernel modules.
+    for line in subprocess.check_output([readelf, '-h', debugfile], universal_newlines=True).splitlines():
+        if not line.strip().startswith("Type:"):
+            continue
+        elftype = line.split(":")[1].strip()
+        if not any(elftype.startswith(i) for i in ["EXEC", "DYN"]):
+            bb.debug(1, 'ELF file {} is not executable/shared, skipping minidebuginfo injection'.format(file))
+            return
+        break
+
+    # Find non-allocated PROGBITS, NOTE, and NOBITS sections in the debuginfo.
+    # We will exclude all of these from minidebuginfo to save space.
+    remove_section_names = []
+    for line in subprocess.check_output([readelf, '-W', '-S', debugfile], universal_newlines=True).splitlines():
+        # strip the leading "  [ 1]" section index to allow splitting on space
+        if ']' not in line:
+            continue
+        fields = line[line.index(']') + 1:].split()
+        if len(fields) < 7:
+            continue
+        name = fields[0]
+        type = fields[1]
+        flags = fields[6]
+        # .debug_ sections will be removed by objcopy -S so no need to explicitly remove them
+        if name.startswith('.debug_'):
+            continue
+        if 'A' not in flags and type in ['PROGBITS', 'NOTE', 'NOBITS']:
+            remove_section_names.append(name)
+
+    # List dynamic symbols in the binary. We can exclude these from minidebuginfo
+    # because they are always present in the binary.
+    dynsyms = set()
+    for line in subprocess.check_output([nm, '-D', file, '--format=posix', '--defined-only'], universal_newlines=True).splitlines():
+        dynsyms.add(line.split()[0])
+
+    # Find all function symbols from debuginfo which aren't in the dynamic symbols table.
+    # These are the ones we want to keep in minidebuginfo.
+    keep_symbols_file = minidebugfile + '.symlist'
+    found_any_symbols = False
+    with open(keep_symbols_file, 'w') as f:
+        for line in subprocess.check_output([nm, debugfile, '--format=sysv', '--defined-only'], universal_newlines=True).splitlines():
+            fields = line.split('|')
+            if len(fields) < 7:
+                continue
+            name = fields[0].strip()
+            type = fields[3].strip()
+            if type == 'FUNC' and name not in dynsyms:
+                f.write('{}\n'.format(name))
+                found_any_symbols = True
+
+    if not found_any_symbols:
+        bb.debug(1, 'ELF file {} contains no symbols, skipping minidebuginfo injection'.format(file))
+        return
+
+    bb.utils.remove(minidebugfile)
+    bb.utils.remove(minidebugfile + '.xz')
+
+    subprocess.check_call([objcopy, '-S'] +
+                          ['--remove-section={}'.format(s) for s in remove_section_names] +
+                          ['--keep-symbols={}'.format(keep_symbols_file), debugfile, minidebugfile])
+
+    subprocess.check_call(['xz', '--keep', minidebugfile])
+
+    subprocess.check_call([objcopy, '--add-section', '.gnu_debugdata={}.xz'.format(minidebugfile), file])
+
+def copydebugsources(debugsrcdir, sources, d):
+    # The debug src information written out to sourcefile is further processed
+    # and copied to the destination here.
+
+    cpath = oe.cachedpath.CachedPath()
+
+    if debugsrcdir and sources:
+        sourcefile = d.expand("${WORKDIR}/debugsources.list")
+        bb.utils.remove(sourcefile)
+
+        # filenames are null-separated - this is an artefact of the previous use
+        # of rpm's debugedit, which was writing them out that way, and the code elsewhere
+        # is still assuming that.
+        debuglistoutput = '\0'.join(sources) + '\0'
+        with open(sourcefile, 'a') as sf:
+           sf.write(debuglistoutput)
+
+        dvar = d.getVar('PKGD')
+        strip = d.getVar("STRIP")
+        objcopy = d.getVar("OBJCOPY")
+        workdir = d.getVar("WORKDIR")
+        sdir = d.getVar("S")
+        cflags = d.expand("${CFLAGS}")
+
+        prefixmap = {}
+        for flag in cflags.split():
+            if not flag.startswith("-fdebug-prefix-map"):
+                continue
+            if "recipe-sysroot" in flag:
+                continue
+            flag = flag.split("=")
+            prefixmap[flag[1]] = flag[2]
+
+        nosuchdir = []
+        basepath = dvar
+        for p in debugsrcdir.split("/"):
+            basepath = basepath + "/" + p
+            if not cpath.exists(basepath):
+                nosuchdir.append(basepath)
+        bb.utils.mkdirhier(basepath)
+        cpath.updatecache(basepath)
+
+        for pmap in prefixmap:
+            # Ignore files from the recipe sysroots (target and native)
+            cmd =  "LC_ALL=C ; sort -z -u '%s' | egrep -v -z '((<internal>|<built-in>)$|/.*recipe-sysroot.*/)' | " % sourcefile
+            # We need to ignore files that are not actually ours
+            # we do this by only paying attention to items from this package
+            cmd += "fgrep -zw '%s' | " % prefixmap[pmap]
+            # Remove prefix in the source paths
+            cmd += "sed 's#%s/##g' | " % (prefixmap[pmap])
+            cmd += "(cd '%s' ; cpio -pd0mlL --no-preserve-owner '%s%s' 2>/dev/null)" % (pmap, dvar, prefixmap[pmap])
+
+            try:
+                subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT)
+            except subprocess.CalledProcessError:
+                # Can "fail" if internal headers/transient sources are attempted
+                pass
+            # cpio seems to have a bug with -lL together and symbolic links are just copied, not dereferenced.
+            # Work around this by manually finding and copying any symbolic links that made it through.
+            cmd = "find %s%s -type l -print0 -delete | sed s#%s%s/##g | (cd '%s' ; cpio -pd0mL --no-preserve-owner '%s%s')" % \
+                    (dvar, prefixmap[pmap], dvar, prefixmap[pmap], pmap, dvar, prefixmap[pmap])
+            subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT)
+
+        # debugsources.list may be polluted from the host if we used externalsrc,
+        # cpio uses copy-pass and may have just created a directory structure
+        # matching the one from the host, if thats the case move those files to
+        # debugsrcdir to avoid host contamination.
+        # Empty dir structure will be deleted in the next step.
+
+        # Same check as above for externalsrc
+        if workdir not in sdir:
+            if os.path.exists(dvar + debugsrcdir + sdir):
+                cmd = "mv %s%s%s/* %s%s" % (dvar, debugsrcdir, sdir, dvar,debugsrcdir)
+                subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT)
+
+        # The copy by cpio may have resulted in some empty directories!  Remove these
+        cmd = "find %s%s -empty -type d -delete" % (dvar, debugsrcdir)
+        subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT)
+
+        # Also remove debugsrcdir if its empty
+        for p in nosuchdir[::-1]:
+            if os.path.exists(p) and not os.listdir(p):
+                os.rmdir(p)
+
+
+def process_split_and_strip_files(d):
+    cpath = oe.cachedpath.CachedPath()
+
+    dvar = d.getVar('PKGD')
+    pn = d.getVar('PN')
+    hostos = d.getVar('HOST_OS')
+
+    oldcwd = os.getcwd()
+    os.chdir(dvar)
+
+    dv = package_debug_vars(d)
+
+    #
+    # First lets figure out all of the files we may have to process ... do this only once!
+    #
+    elffiles = {}
+    symlinks = {}
+    staticlibs = []
+    inodes = {}
+    libdir = os.path.abspath(dvar + os.sep + d.getVar("libdir"))
+    baselibdir = os.path.abspath(dvar + os.sep + d.getVar("base_libdir"))
+    skipfiles = (d.getVar("INHIBIT_PACKAGE_STRIP_FILES") or "").split()
+    if (d.getVar('INHIBIT_PACKAGE_STRIP') != '1' or \
+            d.getVar('INHIBIT_PACKAGE_DEBUG_SPLIT') != '1'):
+        checkelf = {}
+        checkelflinks = {}
+        for root, dirs, files in cpath.walk(dvar):
+            for f in files:
+                file = os.path.join(root, f)
+
+                # Skip debug files
+                if dv["append"] and file.endswith(dv["append"]):
+                    continue
+                if dv["dir"] and dv["dir"] in os.path.dirname(file[len(dvar):]):
+                    continue
+
+                if file in skipfiles:
+                    continue
+
+                if oe.package.is_static_lib(file):
+                    staticlibs.append(file)
+                    continue
+
+                try:
+                    ltarget = cpath.realpath(file, dvar, False)
+                    s = cpath.lstat(ltarget)
+                except OSError as e:
+                    (err, strerror) = e.args
+                    if err != errno.ENOENT:
+                        raise
+                    # Skip broken symlinks
+                    continue
+                if not s:
+                    continue
+                # Check its an executable
+                if (s[stat.ST_MODE] & stat.S_IXUSR) or (s[stat.ST_MODE] & stat.S_IXGRP) \
+                        or (s[stat.ST_MODE] & stat.S_IXOTH) \
+                        or ((file.startswith(libdir) or file.startswith(baselibdir)) \
+                        and (".so" in f or ".node" in f)) \
+                        or (f.startswith('vmlinux') or ".ko" in f):
+
+                    if cpath.islink(file):
+                        checkelflinks[file] = ltarget
+                        continue
+                    # Use a reference of device ID and inode number to identify files
+                    file_reference = "%d_%d" % (s.st_dev, s.st_ino)
+                    checkelf[file] = (file, file_reference)
+
+        results = oe.utils.multiprocess_launch(oe.package.is_elf, checkelflinks.values(), d)
+        results_map = {}
+        for (ltarget, elf_file) in results:
+            results_map[ltarget] = elf_file
+        for file in checkelflinks:
+            ltarget = checkelflinks[file]
+            # If it's a symlink, and points to an ELF file, we capture the readlink target
+            if results_map[ltarget]:
+                target = os.readlink(file)
+                #bb.note("Sym: %s (%d)" % (ltarget, results_map[ltarget]))
+                symlinks[file] = target
+
+        results = oe.utils.multiprocess_launch(oe.package.is_elf, checkelf.keys(), d)
+
+        # Sort results by file path. This ensures that the files are always
+        # processed in the same order, which is important to make sure builds
+        # are reproducible when dealing with hardlinks
+        results.sort(key=lambda x: x[0])
+
+        for (file, elf_file) in results:
+            # It's a file (or hardlink), not a link
+            # ...but is it ELF, and is it already stripped?
+            if elf_file & 1:
+                if elf_file & 2:
+                    if 'already-stripped' in (d.getVar('INSANE_SKIP:' + pn) or "").split():
+                        bb.note("Skipping file %s from %s for already-stripped QA test" % (file[len(dvar):], pn))
+                    else:
+                        msg = "File '%s' from %s was already stripped, this will prevent future debugging!" % (file[len(dvar):], pn)
+                        oe.qa.handle_error("already-stripped", msg, d)
+                    continue
+
+                # At this point we have an unstripped elf file. We need to:
+                #  a) Make sure any file we strip is not hardlinked to anything else outside this tree
+                #  b) Only strip any hardlinked file once (no races)
+                #  c) Track any hardlinks between files so that we can reconstruct matching debug file hardlinks
+
+                # Use a reference of device ID and inode number to identify files
+                file_reference = checkelf[file][1]
+                if file_reference in inodes:
+                    os.unlink(file)
+                    os.link(inodes[file_reference][0], file)
+                    inodes[file_reference].append(file)
+                else:
+                    inodes[file_reference] = [file]
+                    # break hardlink
+                    bb.utils.break_hardlinks(file)
+                    elffiles[file] = elf_file
+                # Modified the file so clear the cache
+                cpath.updatecache(file)
+
+    def strip_pkgd_prefix(f):
+        nonlocal dvar
+
+        if f.startswith(dvar):
+            return f[len(dvar):]
+
+        return f
+
+    #
+    # First lets process debug splitting
+    #
+    if (d.getVar('INHIBIT_PACKAGE_DEBUG_SPLIT') != '1'):
+        results = oe.utils.multiprocess_launch(splitdebuginfo, list(elffiles), d, extraargs=(dvar, dv, d))
+
+        if dv["srcdir"] and not hostos.startswith("mingw"):
+            if (d.getVar('PACKAGE_DEBUG_STATIC_SPLIT') == '1'):
+                results = oe.utils.multiprocess_launch(splitstaticdebuginfo, staticlibs, d, extraargs=(dvar, dv, d))
+            else:
+                for file in staticlibs:
+                    results.append( (file,source_info(file, d)) )
+
+        d.setVar("PKGDEBUGSOURCES", {strip_pkgd_prefix(f): sorted(s) for f, s in results})
+
+        sources = set()
+        for r in results:
+            sources.update(r[1])
+
+        # Hardlink our debug symbols to the other hardlink copies
+        for ref in inodes:
+            if len(inodes[ref]) == 1:
+                continue
+
+            target = inodes[ref][0][len(dvar):]
+            for file in inodes[ref][1:]:
+                src = file[len(dvar):]
+                dest = dv["libdir"] + os.path.dirname(src) + dv["dir"] + "/" + os.path.basename(target) + dv["append"]
+                fpath = dvar + dest
+                ftarget = dvar + dv["libdir"] + os.path.dirname(target) + dv["dir"] + "/" + os.path.basename(target) + dv["append"]
+                bb.utils.mkdirhier(os.path.dirname(fpath))
+                # Only one hardlink of separated debug info file in each directory
+                if not os.access(fpath, os.R_OK):
+                    #bb.note("Link %s -> %s" % (fpath, ftarget))
+                    os.link(ftarget, fpath)
+
+        # Create symlinks for all cases we were able to split symbols
+        for file in symlinks:
+            src = file[len(dvar):]
+            dest = dv["libdir"] + os.path.dirname(src) + dv["dir"] + "/" + os.path.basename(src) + dv["append"]
+            fpath = dvar + dest
+            # Skip it if the target doesn't exist
+            try:
+                s = os.stat(fpath)
+            except OSError as e:
+                (err, strerror) = e.args
+                if err != errno.ENOENT:
+                    raise
+                continue
+
+            ltarget = symlinks[file]
+            lpath = os.path.dirname(ltarget)
+            lbase = os.path.basename(ltarget)
+            ftarget = ""
+            if lpath and lpath != ".":
+                ftarget += lpath + dv["dir"] + "/"
+            ftarget += lbase + dv["append"]
+            if lpath.startswith(".."):
+                ftarget = os.path.join("..", ftarget)
+            bb.utils.mkdirhier(os.path.dirname(fpath))
+            #bb.note("Symlink %s -> %s" % (fpath, ftarget))
+            os.symlink(ftarget, fpath)
+
+        # Process the dv["srcdir"] if requested...
+        # This copies and places the referenced sources for later debugging...
+        copydebugsources(dv["srcdir"], sources, d)
+    #
+    # End of debug splitting
+    #
+
+    #
+    # Now lets go back over things and strip them
+    #
+    if (d.getVar('INHIBIT_PACKAGE_STRIP') != '1'):
+        strip = d.getVar("STRIP")
+        sfiles = []
+        for file in elffiles:
+            elf_file = int(elffiles[file])
+            #bb.note("Strip %s" % file)
+            sfiles.append((file, elf_file, strip))
+        if (d.getVar('PACKAGE_STRIP_STATIC') == '1' or d.getVar('PACKAGE_DEBUG_STATIC_SPLIT') == '1'):
+            for f in staticlibs:
+                sfiles.append((f, 16, strip))
+
+        oe.utils.multiprocess_launch(oe.package.runstrip, sfiles, d)
+
+    # Build "minidebuginfo" and reinject it back into the stripped binaries
+    if d.getVar('PACKAGE_MINIDEBUGINFO') == '1':
+        oe.utils.multiprocess_launch(inject_minidebuginfo, list(elffiles), d,
+                                     extraargs=(dvar, dv, d))
+
+    #
+    # End of strip
+    #
+    os.chdir(oldcwd)
+
+
+def populate_packages(d):
+    cpath = oe.cachedpath.CachedPath()
+
+    workdir = d.getVar('WORKDIR')
+    outdir = d.getVar('DEPLOY_DIR')
+    dvar = d.getVar('PKGD')
+    packages = d.getVar('PACKAGES').split()
+    pn = d.getVar('PN')
+
+    bb.utils.mkdirhier(outdir)
+    os.chdir(dvar)
+
+    autodebug = not (d.getVar("NOAUTOPACKAGEDEBUG") or False)
+
+    split_source_package = (d.getVar('PACKAGE_DEBUG_SPLIT_STYLE') == 'debug-with-srcpkg')
+
+    # If debug-with-srcpkg mode is enabled then add the source package if it
+    # doesn't exist and add the source file contents to the source package.
+    if split_source_package:
+        src_package_name = ('%s-src' % d.getVar('PN'))
+        if not src_package_name in packages:
+            packages.append(src_package_name)
+        d.setVar('FILES:%s' % src_package_name, '/usr/src/debug')
+
+    # Sanity check PACKAGES for duplicates
+    # Sanity should be moved to sanity.bbclass once we have the infrastructure
+    package_dict = {}
+
+    for i, pkg in enumerate(packages):
+        if pkg in package_dict:
+            msg = "%s is listed in PACKAGES multiple times, this leads to packaging errors." % pkg
+            oe.qa.handle_error("packages-list", msg, d)
+        # Ensure the source package gets the chance to pick up the source files
+        # before the debug package by ordering it first in PACKAGES. Whether it
+        # actually picks up any source files is controlled by
+        # PACKAGE_DEBUG_SPLIT_STYLE.
+        elif pkg.endswith("-src"):
+            package_dict[pkg] = (10, i)
+        elif autodebug and pkg.endswith("-dbg"):
+            package_dict[pkg] = (30, i)
+        else:
+            package_dict[pkg] = (50, i)
+    packages = sorted(package_dict.keys(), key=package_dict.get)
+    d.setVar('PACKAGES', ' '.join(packages))
+    pkgdest = d.getVar('PKGDEST')
+
+    seen = []
+
+    # os.mkdir masks the permissions with umask so we have to unset it first
+    oldumask = os.umask(0)
+
+    debug = []
+    for root, dirs, files in cpath.walk(dvar):
+        dir = root[len(dvar):]
+        if not dir:
+            dir = os.sep
+        for f in (files + dirs):
+            path = "." + os.path.join(dir, f)
+            if "/.debug/" in path or "/.debug-static/" in path or path.endswith("/.debug"):
+                debug.append(path)
+
+    for pkg in packages:
+        root = os.path.join(pkgdest, pkg)
+        bb.utils.mkdirhier(root)
+
+        filesvar = d.getVar('FILES:%s' % pkg) or ""
+        if "//" in filesvar:
+            msg = "FILES variable for package %s contains '//' which is invalid. Attempting to fix this but you should correct the metadata.\n" % pkg
+            oe.qa.handle_error("files-invalid", msg, d)
+            filesvar.replace("//", "/")
+
+        origfiles = filesvar.split()
+        files, symlink_paths = oe.package.files_from_filevars(origfiles)
+
+        if autodebug and pkg.endswith("-dbg"):
+            files.extend(debug)
+
+        for file in files:
+            if (not cpath.islink(file)) and (not cpath.exists(file)):
+                continue
+            if file in seen:
+                continue
+            seen.append(file)
+
+            def mkdir(src, dest, p):
+                src = os.path.join(src, p)
+                dest = os.path.join(dest, p)
+                fstat = cpath.stat(src)
+                os.mkdir(dest)
+                os.chmod(dest, fstat.st_mode)
+                os.chown(dest, fstat.st_uid, fstat.st_gid)
+                if p not in seen:
+                    seen.append(p)
+                cpath.updatecache(dest)
+
+            def mkdir_recurse(src, dest, paths):
+                if cpath.exists(dest + '/' + paths):
+                    return
+                while paths.startswith("./"):
+                    paths = paths[2:]
+                p = "."
+                for c in paths.split("/"):
+                    p = os.path.join(p, c)
+                    if not cpath.exists(os.path.join(dest, p)):
+                        mkdir(src, dest, p)
+
+            if cpath.isdir(file) and not cpath.islink(file):
+                mkdir_recurse(dvar, root, file)
+                continue
+
+            mkdir_recurse(dvar, root, os.path.dirname(file))
+            fpath = os.path.join(root,file)
+            if not cpath.islink(file):
+                os.link(file, fpath)
+                continue
+            ret = bb.utils.copyfile(file, fpath)
+            if ret is False or ret == 0:
+                bb.fatal("File population failed")
+
+        # Check if symlink paths exist
+        for file in symlink_paths:
+            if not os.path.exists(os.path.join(root,file)):
+                bb.fatal("File '%s' cannot be packaged into '%s' because its "
+                         "parent directory structure does not exist. One of "
+                         "its parent directories is a symlink whose target "
+                         "directory is not included in the package." %
+                         (file, pkg))
+
+    os.umask(oldumask)
+    os.chdir(workdir)
+
+    # Handle excluding packages with incompatible licenses
+    package_list = []
+    for pkg in packages:
+        licenses = d.getVar('_exclude_incompatible-' + pkg)
+        if licenses:
+            msg = "Excluding %s from packaging as it has incompatible license(s): %s" % (pkg, licenses)
+            oe.qa.handle_error("incompatible-license", msg, d)
+        else:
+            package_list.append(pkg)
+    d.setVar('PACKAGES', ' '.join(package_list))
+
+    unshipped = []
+    for root, dirs, files in cpath.walk(dvar):
+        dir = root[len(dvar):]
+        if not dir:
+            dir = os.sep
+        for f in (files + dirs):
+            path = os.path.join(dir, f)
+            if ('.' + path) not in seen:
+                unshipped.append(path)
+
+    if unshipped != []:
+        msg = pn + ": Files/directories were installed but not shipped in any package:"
+        if "installed-vs-shipped" in (d.getVar('INSANE_SKIP:' + pn) or "").split():
+            bb.note("Package %s skipping QA tests: installed-vs-shipped" % pn)
+        else:
+            for f in unshipped:
+                msg = msg + "\n  " + f
+            msg = msg + "\nPlease set FILES such that these items are packaged. Alternatively if they are unneeded, avoid installing them or delete them within do_install.\n"
+            msg = msg + "%s: %d installed and not shipped files." % (pn, len(unshipped))
+            oe.qa.handle_error("installed-vs-shipped", msg, d)
+
+def process_fixsymlinks(pkgfiles, d):
+    cpath = oe.cachedpath.CachedPath()
+    pkgdest = d.getVar('PKGDEST')
+    packages = d.getVar("PACKAGES", False).split()
+
+    dangling_links = {}
+    pkg_files = {}
+    for pkg in packages:
+        dangling_links[pkg] = []
+        pkg_files[pkg] = []
+        inst_root = os.path.join(pkgdest, pkg)
+        for path in pkgfiles[pkg]:
+                rpath = path[len(inst_root):]
+                pkg_files[pkg].append(rpath)
+                rtarget = cpath.realpath(path, inst_root, True, assume_dir = True)
+                if not cpath.lexists(rtarget):
+                    dangling_links[pkg].append(os.path.normpath(rtarget[len(inst_root):]))
+
+    newrdepends = {}
+    for pkg in dangling_links:
+        for l in dangling_links[pkg]:
+            found = False
+            bb.debug(1, "%s contains dangling link %s" % (pkg, l))
+            for p in packages:
+                if l in pkg_files[p]:
+                        found = True
+                        bb.debug(1, "target found in %s" % p)
+                        if p == pkg:
+                            break
+                        if pkg not in newrdepends:
+                            newrdepends[pkg] = []
+                        newrdepends[pkg].append(p)
+                        break
+            if found == False:
+                bb.note("%s contains dangling symlink to %s" % (pkg, l))
+
+    for pkg in newrdepends:
+        rdepends = bb.utils.explode_dep_versions2(d.getVar('RDEPENDS:' + pkg) or "")
+        for p in newrdepends[pkg]:
+            if p not in rdepends:
+                rdepends[p] = []
+        d.setVar('RDEPENDS:' + pkg, bb.utils.join_deps(rdepends, commasep=False))
+
+def process_filedeps(pkgfiles, d):
+    """
+    Collect perfile run-time dependency metadata
+    Output:
+     FILERPROVIDESFLIST:pkg - list of all files w/ deps
+     FILERPROVIDES:filepath:pkg - per file dep
+
+      FILERDEPENDSFLIST:pkg - list of all files w/ deps
+      FILERDEPENDS:filepath:pkg - per file dep
+    """
+    if d.getVar('SKIP_FILEDEPS') == '1':
+        return
+
+    pkgdest = d.getVar('PKGDEST')
+    packages = d.getVar('PACKAGES')
+    rpmdeps = d.getVar('RPMDEPS')
+
+    def chunks(files, n):
+        return [files[i:i+n] for i in range(0, len(files), n)]
+
+    pkglist = []
+    for pkg in packages.split():
+        if d.getVar('SKIP_FILEDEPS:' + pkg) == '1':
+            continue
+        if pkg.endswith('-dbg') or pkg.endswith('-doc') or pkg.find('-locale-') != -1 or pkg.find('-localedata-') != -1 or pkg.find('-gconv-') != -1 or pkg.find('-charmap-') != -1 or pkg.startswith('kernel-module-') or pkg.endswith('-src'):
+            continue
+        for files in chunks(pkgfiles[pkg], 100):
+            pkglist.append((pkg, files, rpmdeps, pkgdest))
+
+    processed = oe.utils.multiprocess_launch(oe.package.filedeprunner, pkglist, d)
+
+    provides_files = {}
+    requires_files = {}
+
+    for result in processed:
+        (pkg, provides, requires) = result
+
+        if pkg not in provides_files:
+            provides_files[pkg] = []
+        if pkg not in requires_files:
+            requires_files[pkg] = []
+
+        for file in sorted(provides):
+            provides_files[pkg].append(file)
+            key = "FILERPROVIDES:" + file + ":" + pkg
+            d.appendVar(key, " " + " ".join(provides[file]))
+
+        for file in sorted(requires):
+            requires_files[pkg].append(file)
+            key = "FILERDEPENDS:" + file + ":" + pkg
+            d.appendVar(key, " " + " ".join(requires[file]))
+
+    for pkg in requires_files:
+        d.setVar("FILERDEPENDSFLIST:" + pkg, " ".join(sorted(requires_files[pkg])))
+    for pkg in provides_files:
+        d.setVar("FILERPROVIDESFLIST:" + pkg, " ".join(sorted(provides_files[pkg])))
+
+def process_shlibs(pkgfiles, d):
+    cpath = oe.cachedpath.CachedPath()
+
+    exclude_shlibs = d.getVar('EXCLUDE_FROM_SHLIBS', False)
+    if exclude_shlibs:
+        bb.note("not generating shlibs")
+        return
+
+    lib_re = re.compile(r"^.*\.so")
+    libdir_re = re.compile(r".*/%s$" % d.getVar('baselib'))
+
+    packages = d.getVar('PACKAGES')
+
+    shlib_pkgs = []
+    exclusion_list = d.getVar("EXCLUDE_PACKAGES_FROM_SHLIBS")
+    if exclusion_list:
+        for pkg in packages.split():
+            if pkg not in exclusion_list.split():
+                shlib_pkgs.append(pkg)
+            else:
+                bb.note("not generating shlibs for %s" % pkg)
+    else:
+        shlib_pkgs = packages.split()
+
+    hostos = d.getVar('HOST_OS')
+
+    workdir = d.getVar('WORKDIR')
+
+    ver = d.getVar('PKGV')
+    if not ver:
+        msg = "PKGV not defined"
+        oe.qa.handle_error("pkgv-undefined", msg, d)
+        return
+
+    pkgdest = d.getVar('PKGDEST')
+
+    shlibswork_dir = d.getVar('SHLIBSWORKDIR')
+
+    def linux_so(file, pkg, pkgver, d):
+        needs_ldconfig = False
+        needed = set()
+        sonames = set()
+        renames = []
+        ldir = os.path.dirname(file).replace(pkgdest + "/" + pkg, '')
+        cmd = d.getVar('OBJDUMP') + " -p " + pipes.quote(file) + " 2>/dev/null"
+        fd = os.popen(cmd)
+        lines = fd.readlines()
+        fd.close()
+        rpath = tuple()
+        for l in lines:
+            m = re.match(r"\s+RPATH\s+([^\s]*)", l)
+            if m:
+                rpaths = m.group(1).replace("$ORIGIN", ldir).split(":")
+                rpath = tuple(map(os.path.normpath, rpaths))
+        for l in lines:
+            m = re.match(r"\s+NEEDED\s+([^\s]*)", l)
+            if m:
+                dep = m.group(1)
+                if dep not in needed:
+                    needed.add((dep, file, rpath))
+            m = re.match(r"\s+SONAME\s+([^\s]*)", l)
+            if m:
+                this_soname = m.group(1)
+                prov = (this_soname, ldir, pkgver)
+                if not prov in sonames:
+                    # if library is private (only used by package) then do not build shlib for it
+                    if not private_libs or len([i for i in private_libs if fnmatch.fnmatch(this_soname, i)]) == 0:
+                        sonames.add(prov)
+                if libdir_re.match(os.path.dirname(file)):
+                    needs_ldconfig = True
+                if needs_ldconfig and snap_symlinks and (os.path.basename(file) != this_soname):
+                    renames.append((file, os.path.join(os.path.dirname(file), this_soname)))
+        return (needs_ldconfig, needed, sonames, renames)
+
+    def darwin_so(file, needed, sonames, renames, pkgver):
+        if not os.path.exists(file):
+            return
+        ldir = os.path.dirname(file).replace(pkgdest + "/" + pkg, '')
+
+        def get_combinations(base):
+            #
+            # Given a base library name, find all combinations of this split by "." and "-"
+            #
+            combos = []
+            options = base.split(".")
+            for i in range(1, len(options) + 1):
+                combos.append(".".join(options[0:i]))
+            options = base.split("-")
+            for i in range(1, len(options) + 1):
+                combos.append("-".join(options[0:i]))
+            return combos
+
+        if (file.endswith('.dylib') or file.endswith('.so')) and not pkg.endswith('-dev') and not pkg.endswith('-dbg') and not pkg.endswith('-src'):
+            # Drop suffix
+            name = os.path.basename(file).rsplit(".",1)[0]
+            # Find all combinations
+            combos = get_combinations(name)
+            for combo in combos:
+                if not combo in sonames:
+                    prov = (combo, ldir, pkgver)
+                    sonames.add(prov)
+        if file.endswith('.dylib') or file.endswith('.so'):
+            rpath = []
+            p = subprocess.Popen([d.expand("${HOST_PREFIX}otool"), '-l', file], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+            out, err = p.communicate()
+            # If returned successfully, process stdout for results
+            if p.returncode == 0:
+                for l in out.split("\n"):
+                    l = l.strip()
+                    if l.startswith('path '):
+                        rpath.append(l.split()[1])
+
+        p = subprocess.Popen([d.expand("${HOST_PREFIX}otool"), '-L', file], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        out, err = p.communicate()
+        # If returned successfully, process stdout for results
+        if p.returncode == 0:
+            for l in out.split("\n"):
+                l = l.strip()
+                if not l or l.endswith(":"):
+                    continue
+                if "is not an object file" in l:
+                    continue
+                name = os.path.basename(l.split()[0]).rsplit(".", 1)[0]
+                if name and name not in needed[pkg]:
+                     needed[pkg].add((name, file, tuple()))
+
+    def mingw_dll(file, needed, sonames, renames, pkgver):
+        if not os.path.exists(file):
+            return
+
+        if file.endswith(".dll"):
+            # assume all dlls are shared objects provided by the package
+            sonames.add((os.path.basename(file), os.path.dirname(file).replace(pkgdest + "/" + pkg, ''), pkgver))
+
+        if (file.endswith(".dll") or file.endswith(".exe")):
+            # use objdump to search for "DLL Name: .*\.dll"
+            p = subprocess.Popen([d.expand("${HOST_PREFIX}objdump"), "-p", file], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+            out, err = p.communicate()
+            # process the output, grabbing all .dll names
+            if p.returncode == 0:
+                for m in re.finditer(r"DLL Name: (.*?\.dll)$", out.decode(), re.MULTILINE | re.IGNORECASE):
+                    dllname = m.group(1)
+                    if dllname:
+                        needed[pkg].add((dllname, file, tuple()))
+
+    if d.getVar('PACKAGE_SNAP_LIB_SYMLINKS') == "1":
+        snap_symlinks = True
+    else:
+        snap_symlinks = False
+
+    needed = {}
+
+    shlib_provider = oe.package.read_shlib_providers(d)
+
+    for pkg in shlib_pkgs:
+        private_libs = d.getVar('PRIVATE_LIBS:' + pkg) or d.getVar('PRIVATE_LIBS') or ""
+        private_libs = private_libs.split()
+        needs_ldconfig = False
+        bb.debug(2, "calculating shlib provides for %s" % pkg)
+
+        pkgver = d.getVar('PKGV:' + pkg)
+        if not pkgver:
+            pkgver = d.getVar('PV_' + pkg)
+        if not pkgver:
+            pkgver = ver
+
+        needed[pkg] = set()
+        sonames = set()
+        renames = []
+        linuxlist = []
+        for file in pkgfiles[pkg]:
+                soname = None
+                if cpath.islink(file):
+                    continue
+                if hostos == "darwin" or hostos == "darwin8":
+                    darwin_so(file, needed, sonames, renames, pkgver)
+                elif hostos.startswith("mingw"):
+                    mingw_dll(file, needed, sonames, renames, pkgver)
+                elif os.access(file, os.X_OK) or lib_re.match(file):
+                    linuxlist.append(file)
+
+        if linuxlist:
+            results = oe.utils.multiprocess_launch(linux_so, linuxlist, d, extraargs=(pkg, pkgver, d))
+            for r in results:
+                ldconfig = r[0]
+                needed[pkg] |= r[1]
+                sonames |= r[2]
+                renames.extend(r[3])
+                needs_ldconfig = needs_ldconfig or ldconfig
+
+        for (old, new) in renames:
+            bb.note("Renaming %s to %s" % (old, new))
+            bb.utils.rename(old, new)
+            pkgfiles[pkg].remove(old)
+
+        shlibs_file = os.path.join(shlibswork_dir, pkg + ".list")
+        if len(sonames):
+            with open(shlibs_file, 'w') as fd:
+                for s in sorted(sonames):
+                    if s[0] in shlib_provider and s[1] in shlib_provider[s[0]]:
+                        (old_pkg, old_pkgver) = shlib_provider[s[0]][s[1]]
+                        if old_pkg != pkg:
+                            bb.warn('%s-%s was registered as shlib provider for %s, changing it to %s-%s because it was built later' % (old_pkg, old_pkgver, s[0], pkg, pkgver))
+                    bb.debug(1, 'registering %s-%s as shlib provider for %s' % (pkg, pkgver, s[0]))
+                    fd.write(s[0] + ':' + s[1] + ':' + s[2] + '\n')
+                    if s[0] not in shlib_provider:
+                        shlib_provider[s[0]] = {}
+                    shlib_provider[s[0]][s[1]] = (pkg, pkgver)
+        if needs_ldconfig:
+            bb.debug(1, 'adding ldconfig call to postinst for %s' % pkg)
+            postinst = d.getVar('pkg_postinst:%s' % pkg)
+            if not postinst:
+                postinst = '#!/bin/sh\n'
+            postinst += d.getVar('ldconfig_postinst_fragment')
+            d.setVar('pkg_postinst:%s' % pkg, postinst)
+        bb.debug(1, 'LIBNAMES: pkg %s sonames %s' % (pkg, sonames))
+
+    assumed_libs = d.getVar('ASSUME_SHLIBS')
+    if assumed_libs:
+        libdir = d.getVar("libdir")
+        for e in assumed_libs.split():
+            l, dep_pkg = e.split(":")
+            lib_ver = None
+            dep_pkg = dep_pkg.rsplit("_", 1)
+            if len(dep_pkg) == 2:
+                lib_ver = dep_pkg[1]
+            dep_pkg = dep_pkg[0]
+            if l not in shlib_provider:
+                shlib_provider[l] = {}
+            shlib_provider[l][libdir] = (dep_pkg, lib_ver)
+
+    libsearchpath = [d.getVar('libdir'), d.getVar('base_libdir')]
+
+    for pkg in shlib_pkgs:
+        bb.debug(2, "calculating shlib requirements for %s" % pkg)
+
+        private_libs = d.getVar('PRIVATE_LIBS:' + pkg) or d.getVar('PRIVATE_LIBS') or ""
+        private_libs = private_libs.split()
+
+        deps = list()
+        for n in needed[pkg]:
+            # if n is in private libraries, don't try to search provider for it
+            # this could cause problem in case some abc.bb provides private
+            # /opt/abc/lib/libfoo.so.1 and contains /usr/bin/abc depending on system library libfoo.so.1
+            # but skipping it is still better alternative than providing own
+            # version and then adding runtime dependency for the same system library
+            if private_libs and len([i for i in private_libs if fnmatch.fnmatch(n[0], i)]) > 0:
+                bb.debug(2, '%s: Dependency %s covered by PRIVATE_LIBS' % (pkg, n[0]))
+                continue
+            if n[0] in shlib_provider.keys():
+                shlib_provider_map = shlib_provider[n[0]]
+                matches = set()
+                for p in itertools.chain(list(n[2]), sorted(shlib_provider_map.keys()), libsearchpath):
+                    if p in shlib_provider_map:
+                        matches.add(p)
+                if len(matches) > 1:
+                    matchpkgs = ', '.join([shlib_provider_map[match][0] for match in matches])
+                    bb.error("%s: Multiple shlib providers for %s: %s (used by files: %s)" % (pkg, n[0], matchpkgs, n[1]))
+                elif len(matches) == 1:
+                    (dep_pkg, ver_needed) = shlib_provider_map[matches.pop()]
+
+                    bb.debug(2, '%s: Dependency %s requires package %s (used by files: %s)' % (pkg, n[0], dep_pkg, n[1]))
+
+                    if dep_pkg == pkg:
+                        continue
+
+                    if ver_needed:
+                        dep = "%s (>= %s)" % (dep_pkg, ver_needed)
+                    else:
+                        dep = dep_pkg
+                    if not dep in deps:
+                        deps.append(dep)
+                    continue
+            bb.note("Couldn't find shared library provider for %s, used by files: %s" % (n[0], n[1]))
+
+        deps_file = os.path.join(pkgdest, pkg + ".shlibdeps")
+        if os.path.exists(deps_file):
+            os.remove(deps_file)
+        if deps:
+            with open(deps_file, 'w') as fd:
+                for dep in sorted(deps):
+                    fd.write(dep + '\n')
+
+def process_pkgconfig(pkgfiles, d):
+    packages = d.getVar('PACKAGES')
+    workdir = d.getVar('WORKDIR')
+    pkgdest = d.getVar('PKGDEST')
+
+    shlibs_dirs = d.getVar('SHLIBSDIRS').split()
+    shlibswork_dir = d.getVar('SHLIBSWORKDIR')
+
+    pc_re = re.compile(r'(.*)\.pc$')
+    var_re = re.compile(r'(.*)=(.*)')
+    field_re = re.compile(r'(.*): (.*)')
+
+    pkgconfig_provided = {}
+    pkgconfig_needed = {}
+    for pkg in packages.split():
+        pkgconfig_provided[pkg] = []
+        pkgconfig_needed[pkg] = []
+        for file in sorted(pkgfiles[pkg]):
+                m = pc_re.match(file)
+                if m:
+                    pd = bb.data.init()
+                    name = m.group(1)
+                    pkgconfig_provided[pkg].append(os.path.basename(name))
+                    if not os.access(file, os.R_OK):
+                        continue
+                    with open(file, 'r') as f:
+                        lines = f.readlines()
+                    for l in lines:
+                        m = var_re.match(l)
+                        if m:
+                            name = m.group(1)
+                            val = m.group(2)
+                            pd.setVar(name, pd.expand(val))
+                            continue
+                        m = field_re.match(l)
+                        if m:
+                            hdr = m.group(1)
+                            exp = pd.expand(m.group(2))
+                            if hdr == 'Requires':
+                                pkgconfig_needed[pkg] += exp.replace(',', ' ').split()
+
+    for pkg in packages.split():
+        pkgs_file = os.path.join(shlibswork_dir, pkg + ".pclist")
+        if pkgconfig_provided[pkg] != []:
+            with open(pkgs_file, 'w') as f:
+                for p in sorted(pkgconfig_provided[pkg]):
+                    f.write('%s\n' % p)
+
+    # Go from least to most specific since the last one found wins
+    for dir in reversed(shlibs_dirs):
+        if not os.path.exists(dir):
+            continue
+        for file in sorted(os.listdir(dir)):
+            m = re.match(r'^(.*)\.pclist$', file)
+            if m:
+                pkg = m.group(1)
+                with open(os.path.join(dir, file)) as fd:
+                    lines = fd.readlines()
+                pkgconfig_provided[pkg] = []
+                for l in lines:
+                    pkgconfig_provided[pkg].append(l.rstrip())
+
+    for pkg in packages.split():
+        deps = []
+        for n in pkgconfig_needed[pkg]:
+            found = False
+            for k in pkgconfig_provided.keys():
+                if n in pkgconfig_provided[k]:
+                    if k != pkg and not (k in deps):
+                        deps.append(k)
+                    found = True
+            if found == False:
+                bb.note("couldn't find pkgconfig module '%s' in any package" % n)
+        deps_file = os.path.join(pkgdest, pkg + ".pcdeps")
+        if len(deps):
+            with open(deps_file, 'w') as fd:
+                for dep in deps:
+                    fd.write(dep + '\n')
+
+def read_libdep_files(d):
+    pkglibdeps = {}
+    packages = d.getVar('PACKAGES').split()
+    for pkg in packages:
+        pkglibdeps[pkg] = {}
+        for extension in ".shlibdeps", ".pcdeps", ".clilibdeps":
+            depsfile = d.expand("${PKGDEST}/" + pkg + extension)
+            if os.access(depsfile, os.R_OK):
+                with open(depsfile) as fd:
+                    lines = fd.readlines()
+                for l in lines:
+                    l.rstrip()
+                    deps = bb.utils.explode_dep_versions2(l)
+                    for dep in deps:
+                        if not dep in pkglibdeps[pkg]:
+                            pkglibdeps[pkg][dep] = deps[dep]
+    return pkglibdeps
+
+def process_depchains(pkgfiles, d):
+    """
+    For a given set of prefix and postfix modifiers, make those packages
+    RRECOMMENDS on the corresponding packages for its RDEPENDS.
+
+    Example:  If package A depends upon package B, and A's .bb emits an
+    A-dev package, this would make A-dev Recommends: B-dev.
+
+    If only one of a given suffix is specified, it will take the RRECOMMENDS
+    based on the RDEPENDS of *all* other packages. If more than one of a given
+    suffix is specified, its will only use the RDEPENDS of the single parent
+    package.
+    """
+
+    packages  = d.getVar('PACKAGES')
+    postfixes = (d.getVar('DEPCHAIN_POST') or '').split()
+    prefixes  = (d.getVar('DEPCHAIN_PRE') or '').split()
+
+    def pkg_adddeprrecs(pkg, base, suffix, getname, depends, d):
+
+        #bb.note('depends for %s is %s' % (base, depends))
+        rreclist = bb.utils.explode_dep_versions2(d.getVar('RRECOMMENDS:' + pkg) or "")
+
+        for depend in sorted(depends):
+            if depend.find('-native') != -1 or depend.find('-cross') != -1 or depend.startswith('virtual/'):
+                #bb.note("Skipping %s" % depend)
+                continue
+            if depend.endswith('-dev'):
+                depend = depend[:-4]
+            if depend.endswith('-dbg'):
+                depend = depend[:-4]
+            pkgname = getname(depend, suffix)
+            #bb.note("Adding %s for %s" % (pkgname, depend))
+            if pkgname not in rreclist and pkgname != pkg:
+                rreclist[pkgname] = []
+
+        #bb.note('setting: RRECOMMENDS:%s=%s' % (pkg, ' '.join(rreclist)))
+        d.setVar('RRECOMMENDS:%s' % pkg, bb.utils.join_deps(rreclist, commasep=False))
+
+    def pkg_addrrecs(pkg, base, suffix, getname, rdepends, d):
+
+        #bb.note('rdepends for %s is %s' % (base, rdepends))
+        rreclist = bb.utils.explode_dep_versions2(d.getVar('RRECOMMENDS:' + pkg) or "")
+
+        for depend in sorted(rdepends):
+            if depend.find('virtual-locale-') != -1:
+                #bb.note("Skipping %s" % depend)
+                continue
+            if depend.endswith('-dev'):
+                depend = depend[:-4]
+            if depend.endswith('-dbg'):
+                depend = depend[:-4]
+            pkgname = getname(depend, suffix)
+            #bb.note("Adding %s for %s" % (pkgname, depend))
+            if pkgname not in rreclist and pkgname != pkg:
+                rreclist[pkgname] = []
+
+        #bb.note('setting: RRECOMMENDS:%s=%s' % (pkg, ' '.join(rreclist)))
+        d.setVar('RRECOMMENDS:%s' % pkg, bb.utils.join_deps(rreclist, commasep=False))
+
+    def add_dep(list, dep):
+        if dep not in list:
+            list.append(dep)
+
+    depends = []
+    for dep in bb.utils.explode_deps(d.getVar('DEPENDS') or ""):
+        add_dep(depends, dep)
+
+    rdepends = []
+    for pkg in packages.split():
+        for dep in bb.utils.explode_deps(d.getVar('RDEPENDS:' + pkg) or ""):
+            add_dep(rdepends, dep)
+
+    #bb.note('rdepends is %s' % rdepends)
+
+    def post_getname(name, suffix):
+        return '%s%s' % (name, suffix)
+    def pre_getname(name, suffix):
+        return '%s%s' % (suffix, name)
+
+    pkgs = {}
+    for pkg in packages.split():
+        for postfix in postfixes:
+            if pkg.endswith(postfix):
+                if not postfix in pkgs:
+                    pkgs[postfix] = {}
+                pkgs[postfix][pkg] = (pkg[:-len(postfix)], post_getname)
+
+        for prefix in prefixes:
+            if pkg.startswith(prefix):
+                if not prefix in pkgs:
+                    pkgs[prefix] = {}
+                pkgs[prefix][pkg] = (pkg[:-len(prefix)], pre_getname)
+
+    if "-dbg" in pkgs:
+        pkglibdeps = read_libdep_files(d)
+        pkglibdeplist = []
+        for pkg in pkglibdeps:
+            for k in pkglibdeps[pkg]:
+                add_dep(pkglibdeplist, k)
+        dbgdefaultdeps = ((d.getVar('DEPCHAIN_DBGDEFAULTDEPS') == '1') or (bb.data.inherits_class('packagegroup', d)))
+
+    for suffix in pkgs:
+        for pkg in pkgs[suffix]:
+            if d.getVarFlag('RRECOMMENDS:' + pkg, 'nodeprrecs'):
+                continue
+            (base, func) = pkgs[suffix][pkg]
+            if suffix == "-dev":
+                pkg_adddeprrecs(pkg, base, suffix, func, depends, d)
+            elif suffix == "-dbg":
+                if not dbgdefaultdeps:
+                    pkg_addrrecs(pkg, base, suffix, func, pkglibdeplist, d)
+                    continue
+            if len(pkgs[suffix]) == 1:
+                pkg_addrrecs(pkg, base, suffix, func, rdepends, d)
+            else:
+                rdeps = []
+                for dep in bb.utils.explode_deps(d.getVar('RDEPENDS:' + base) or ""):
+                    add_dep(rdeps, dep)
+                pkg_addrrecs(pkg, base, suffix, func, rdeps, d)
+