classes/debian.bbclass

   1 # Debian package renaming only occurs when a package is built
   2 # We therefore have to make sure we build all runtime packages
   3 # before building the current package to make the packages runtime
   4 # depends are correct
   5 #
   6 # Custom library package names can be defined setting
   7 # DEBIANNAME_ + pkgname to the desired name.
   8 #
   9 # Better expressed as ensure all RDEPENDS package before we package
  10 # This means we can't have circular RDEPENDS/RRECOMMENDS
  11 do_package_write_ipk[rdeptask] = "do_package"
  12 do_package_write_deb[rdeptask] = "do_package"
  13 do_package_write_tar[rdeptask] = "do_package"
  14 do_package_write_rpm[rdeptask] = "do_package"
  15
  16 python debian_package_name_hook () {
  17         import glob, copy, stat, errno, re
  18
  19         pkgdest = bb.data.getVar('PKGDEST', d, 1)
  20         packages = bb.data.getVar('PACKAGES', d, 1)
  21
  22         def socrunch(s):
  23                 s = s.lower().replace('_', '-')
  24                 m = re.match("^(.*)(.)\.so\.(.*)$", s)
  25                 if m is None:
  26                         return None
  27                 if m.group(2) in '0123456789':
  28                         bin = '%s%s-%s' % (m.group(1), m.group(2), m.group(3))
  29                 else:
  30                         bin = m.group(1) + m.group(2) + m.group(3)
  31                 dev = m.group(1) + m.group(2)
  32                 return (bin, dev)
  33
  34         def isexec(path):
  35                 try:
  36                         s = os.stat(path)
  37                 except (os.error, AttributeError):
  38                         return 0
  39                 return (s[stat.ST_MODE] & stat.S_IEXEC)
  40
  41         def auto_libname(packages, orig_pkg):
  42                 bin_re = re.compile(".*/s?bin$")
  43                 lib_re = re.compile(".*/lib$")
  44                 so_re = re.compile("lib.*\.so")
  45                 sonames = []
  46                 has_bins = 0
  47                 has_libs = 0
  48                 pkg_dir = os.path.join(pkgdest, orig_pkg)
  49                 for root, dirs, files in os.walk(pkg_dir):
  50                         if bin_re.match(root) and files:
  51                                 has_bins = 1
  52                         if lib_re.match(root) and files:
  53                                 has_libs = 1
  54                                 for f in files:
  55                                         if so_re.match(f):
  56                                                 fp = os.path.join(root, f)
  57                                                 cmd = "PATH=" + bb.data.getVar('PATH', d, 1) + " " + (bb.data.getVar('TARGET_PREFIX', d, 1) or "") + "objdump -p " + fp + " 2>/dev/null"
  58                                                 fd = os.popen(cmd)
  59                                                 lines = fd.readlines()
  60                                                 fd.close()
  61                                                 for l in lines:
  62                                                         m = re.match("\s+SONAME\s+([^\s]*)", l)
  63                                                         if m and not m.group(1) in sonames:
  64                                                                 sonames.append(m.group(1))
  65
  66                 bb.debug(1, 'LIBNAMES: pkg %s libs %d bins %d sonames %s' % (orig_pkg, has_libs, has_bins, sonames))
  67                 soname = None
  68                 if len(sonames) == 1:
  69                         soname = sonames[0]
  70                 elif len(sonames) > 1:
  71                         lead = bb.data.getVar('LEAD_SONAME', d, 1)
  72                         if lead:
  73                                 r = re.compile(lead)
  74                                 filtered = []
  75                                 for s in sonames:
  76                                         if r.match(s):
  77                                                 filtered.append(s)
  78                                 if len(filtered) == 1:
  79                                         soname = filtered[0]
  80                                 elif len(filtered) > 1:
  81                                         bb.note("Multiple matches (%s) for LEAD_SONAME '%s'" % (", ".join(filtered), lead))
  82                                 else:
  83                                         bb.note("Multiple libraries (%s) found, but LEAD_SONAME '%s' doesn't match any of them" % (", ".join(sonames), lead))
  84                         else:
  85                                 bb.note("Multiple libraries (%s) found and LEAD_SONAME not defined" % ", ".join(sonames))
  86
  87                 if has_libs and not has_bins and soname:
  88                         soname_result = socrunch(soname)
  89                         if soname_result:
  90                                 (pkgname, devname) = soname_result
  91                                 for pkg in packages.split():
  92                                         if (bb.data.getVar('PKG_' + pkg, d) or bb.data.getVar('DEBIAN_NOAUTONAME_' + pkg, d)):
  93                                                 continue
  94                                         debian_pn = bb.data.getVar('DEBIANNAME_' + pkg, d)
  95                                         if debian_pn:
  96                                                 newpkg = debian_pn
  97                                         elif pkg == orig_pkg:
  98                                                 newpkg = pkgname
  99                                         else:
 100                                                 newpkg = pkg.replace(orig_pkg, devname, 1)
 101                                         if newpkg != pkg:
 102                                                 bb.data.setVar('PKG_' + pkg, newpkg, d)
 103
 104         for pkg in (bb.data.getVar('AUTO_LIBNAME_PKGS', d, 1) or "").split():
 105                 auto_libname(packages, pkg)
 106 }
 107
 108 EXPORT_FUNCTIONS package_name_hook
 109
 110 DEBIAN_NAMES = "1"
 111