mklibs: fix some long standing libpthread symbol link issues, mostly related to weak function overrides between libgcc, libc and libpthread
SVN-Revision: 25795master
parent
e6267871da
commit
ad45e24bd0
@ -0,0 +1,63 @@ |
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--- a/src/mklibs.py
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+++ b/src/mklibs.py
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@@ -161,9 +161,10 @@ def undefined_symbols(obj):
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return result
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class ProvidedSymbol(Symbol):
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- def __init__(self, name, version, library, default_version):
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+ def __init__(self, name, version, library, default_version, weak):
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super(ProvidedSymbol, self).__init__(name, version, library)
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self.default_version = default_version
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+ self.weak = weak
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def base_names(self):
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ret = []
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@@ -204,11 +205,15 @@ def provided_symbols(obj):
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if version_string.lower() not in ('base', 'none'):
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version = version_string
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+ weak = False
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+ if weak_string.lower() == 'true':
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+ weak = True
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+
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default_version = False
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if default_version_string.lower() == 'true':
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default_version = True
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- result.append(ProvidedSymbol(name, version, library, default_version))
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+ result.append(ProvidedSymbol(name, version, library, default_version, weak))
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return result
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@@ -476,6 +481,9 @@ while 1:
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debug(DEBUG_SPAM, "present_symbols adding %s" % symbol)
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names = symbol.base_names()
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for name in names:
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+ if name in present_symbols:
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+ if symbol.library != present_symbols[name].library:
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+ needed_symbols[name] = UndefinedSymbol(name, True, symbol.version, symbol.library)
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present_symbols[name] = symbol
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# are we finished?
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@@ -567,12 +575,16 @@ while 1:
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# may segfault in ptmalloc_init due to undefined weak reference
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extra_pre_obj.append(sysroot + libc_extras_dir + "/soinit.o")
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extra_post_obj.append(sysroot + libc_extras_dir + "/sofini.o")
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- symbols.add(ProvidedSymbol('__dso_handle', None, None, True))
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+ symbols.add(ProvidedSymbol('__dso_handle', None, None, True, True))
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- if soname in ("libc.so.0"):
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- symbols.add(ProvidedSymbol('__uClibc_init', None, None, True))
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- symbols.add(ProvidedSymbol('__uClibc_fini', None, None, True))
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- extra_flags.append("-Wl,-init,__uClibc_init")
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+ if soname == "libc.so.0":
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+ symbols.add(ProvidedSymbol('__uClibc_init', None, None, True, True))
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+ symbols.add(ProvidedSymbol('__uClibc_fini', None, None, True, True))
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+ extra_pre_obj.append("-Wl,-init,__uClibc_init")
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+
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+ if soname == "libpthread.so.0":
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+ symbols.add(ProvidedSymbol('__pthread_initialize_minimal_internal', None, None, True, True))
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+ extra_flags.append("-Wl,-z,nodelete,-z,initfirst,-init=__pthread_initialize_minimal_internal")
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map_file = find_pic_map(library)
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if map_file:
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