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authorFelix Fietkau <nbd@openwrt.org>2011-02-28 18:17:02 +0000
committerFelix Fietkau <nbd@openwrt.org>2011-02-28 18:17:02 +0000
commit84b78edf81362a3b0181bfe654c8368922b1863c (patch)
treed1f12dec5fbe2fcaa2269a710036027b0ed5177d /tools/mklibs/patches/010-uclibc_libpthread_symbols.patch
parentde38604311fbe7e043c30268edc258574e984f30 (diff)
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mklibs: fix some long standing libpthread symbol link issues, mostly related to weak function overrides between libgcc, libc and libpthread
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25795 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'tools/mklibs/patches/010-uclibc_libpthread_symbols.patch')
-rw-r--r--tools/mklibs/patches/010-uclibc_libpthread_symbols.patch63
1 files changed, 63 insertions, 0 deletions
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 0000000000..0c97216d1a
--- /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: