tools/mklibs/patches/010-uclibc_libpthread_symbols.patch

   1 --- a/src/mklibs.py
   2 +++ b/src/mklibs.py
   3 @@ -161,9 +161,10 @@ def undefined_symbols(obj):
   4      return result
   5
   6  class ProvidedSymbol(Symbol):
   7 -    def __init__(self, name, version, library, default_version):
   8 +    def __init__(self, name, version, library, default_version, weak):
   9          super(ProvidedSymbol, self).__init__(name, version, library)
  10          self.default_version = default_version
  11 +        self.weak = weak
  12
  13      def base_names(self):
  14          ret = []
  15 @@ -204,11 +205,15 @@ def provided_symbols(obj):
  16          if version_string.lower() not in ('base', 'none'):
  17              version = version_string
  18
  19 +        weak = False
  20 +        if weak_string.lower() == 'true':
  21 +            weak = True
  22 +
  23          default_version = False
  24          if default_version_string.lower() == 'true':
  25              default_version = True
  26
  27 -        result.append(ProvidedSymbol(name, version, library, default_version))
  28 +        result.append(ProvidedSymbol(name, version, library, default_version, weak))
  29
  30      return result
  31
  32 @@ -476,6 +481,9 @@ while 1:
  33              debug(DEBUG_SPAM, "present_symbols adding %s" % symbol)
  34              names = symbol.base_names()
  35              for name in names:
  36 +                if name in present_symbols:
  37 +                    if symbol.library != present_symbols[name].library:
  38 +                        needed_symbols[name] = UndefinedSymbol(name, True, symbol.version, symbol.library)
  39                  present_symbols[name] = symbol
  40
  41      # are we finished?
  42 @@ -567,12 +575,16 @@ while 1:
  43                  # may segfault in ptmalloc_init due to undefined weak reference
  44                  extra_pre_obj.append(sysroot + libc_extras_dir + "/soinit.o")
  45                  extra_post_obj.append(sysroot + libc_extras_dir + "/sofini.o")
  46 -                symbols.add(ProvidedSymbol('__dso_handle', None, None, True))
  47 +                symbols.add(ProvidedSymbol('__dso_handle', None, None, True, True))
  48
  49 -            if soname in ("libc.so.0"):
  50 -                symbols.add(ProvidedSymbol('__uClibc_init', None, None, True))
  51 -                symbols.add(ProvidedSymbol('__uClibc_fini', None, None, True))
  52 -                extra_flags.append("-Wl,-init,__uClibc_init")
  53 +            if soname == "libc.so.0":
  54 +                symbols.add(ProvidedSymbol('__uClibc_init', None, None, True, True))
  55 +                symbols.add(ProvidedSymbol('__uClibc_fini', None, None, True, True))
  56 +                extra_pre_obj.append("-Wl,-init,__uClibc_init")
  57 +
  58 +            if soname == "libpthread.so.0":
  59 +                symbols.add(ProvidedSymbol('__pthread_initialize_minimal_internal', None, None, True, True))
  60 +                extra_flags.append("-Wl,-z,nodelete,-z,initfirst,-init=__pthread_initialize_minimal_internal")
  61
  62              map_file = find_pic_map(library)
  63              if map_file: