From ad45e24bd01eaf47762f05024a86364eb05b8b95 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 28 Feb 2011 18:17:02 +0000 Subject: mklibs: fix some long standing libpthread symbol link issues, mostly related to weak function overrides between libgcc, libc and libpthread SVN-Revision: 25795 --- .../patches/010-uclibc_libpthread_symbols.patch | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 tools/mklibs/patches/010-uclibc_libpthread_symbols.patch (limited to 'tools/mklibs/patches/010-uclibc_libpthread_symbols.patch') diff --git a/tools/mklibs/patches/010-uclibc_libpthread_symbols.patch b/tools/mklibs/patches/010-uclibc_libpthread_symbols.patch new file mode 100644 index 0000000..0c97216 --- /dev/null +++ b/tools/mklibs/patches/010-uclibc_libpthread_symbols.patch @@ -0,0 +1,63 @@ +--- a/src/mklibs.py ++++ b/src/mklibs.py +@@ -161,9 +161,10 @@ def undefined_symbols(obj): + return result + + class ProvidedSymbol(Symbol): +- def __init__(self, name, version, library, default_version): ++ def __init__(self, name, version, library, default_version, weak): + super(ProvidedSymbol, self).__init__(name, version, library) + self.default_version = default_version ++ self.weak = weak + + def base_names(self): + ret = [] +@@ -204,11 +205,15 @@ def provided_symbols(obj): + if version_string.lower() not in ('base', 'none'): + version = version_string + ++ weak = False ++ if weak_string.lower() == 'true': ++ weak = True ++ + default_version = False + if default_version_string.lower() == 'true': + default_version = True + +- result.append(ProvidedSymbol(name, version, library, default_version)) ++ result.append(ProvidedSymbol(name, version, library, default_version, weak)) + + return result + +@@ -476,6 +481,9 @@ while 1: + debug(DEBUG_SPAM, "present_symbols adding %s" % symbol) + names = symbol.base_names() + for name in names: ++ if name in present_symbols: ++ if symbol.library != present_symbols[name].library: ++ needed_symbols[name] = UndefinedSymbol(name, True, symbol.version, symbol.library) + present_symbols[name] = symbol + + # are we finished? +@@ -567,12 +575,16 @@ while 1: + # may segfault in ptmalloc_init due to undefined weak reference + extra_pre_obj.append(sysroot + libc_extras_dir + "/soinit.o") + extra_post_obj.append(sysroot + libc_extras_dir + "/sofini.o") +- symbols.add(ProvidedSymbol('__dso_handle', None, None, True)) ++ symbols.add(ProvidedSymbol('__dso_handle', None, None, True, True)) + +- if soname in ("libc.so.0"): +- symbols.add(ProvidedSymbol('__uClibc_init', None, None, True)) +- symbols.add(ProvidedSymbol('__uClibc_fini', None, None, True)) +- extra_flags.append("-Wl,-init,__uClibc_init") ++ if soname == "libc.so.0": ++ symbols.add(ProvidedSymbol('__uClibc_init', None, None, True, True)) ++ symbols.add(ProvidedSymbol('__uClibc_fini', None, None, True, True)) ++ extra_pre_obj.append("-Wl,-init,__uClibc_init") ++ ++ if soname == "libpthread.so.0": ++ symbols.add(ProvidedSymbol('__pthread_initialize_minimal_internal', None, None, True, True)) ++ extra_flags.append("-Wl,-z,nodelete,-z,initfirst,-init=__pthread_initialize_minimal_internal") + + map_file = find_pic_map(library) + if map_file: -- cgit v1.1