Hey,

I'm encountering this when I'm using some tensorflow functions:

/lib/python3.6/tensorflow/python/_pywrap_tensorflow_internal.so: failed 
looking up symbol 

[backtrace]
0x00000000403442a7 <elf::object::symbol(unsigned int, bool)+391>
0x0000000040397dce <elf::object::arch_relocate_rela(unsigned int, unsigned 
int, void*, long)+574>
0x000000004033eed4 <elf::object::relocate_rela()+196>
0x0000000040341d27 <elf::object::relocate()+199>
0x0000000040345623 
<elf::program::load_object(std::__cxx11::basic_string<char, 
std::char_traits<char>, std::allocator<char> >, 
std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, 
std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, 
std::char_traits<char>, std::allocator<char> > > >, 
std::vector<std::shared_ptr<elf::object>, 
std::allocator<std::shared_ptr<elf::object> > >&)+1459>
0x0000000040345e70 
<elf::program::get_library(std::__cxx11::basic_string<char, 
std::char_traits<char>, std::allocator<char> >, 
std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, 
std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, 
std::char_traits<char>, std::allocator<char> > > >, bool)+336>
0x0000000040465fd8 <dlopen+136>
0x0000100000937228 <_PyImport_FindSharedFuncptr+376>
0x745f70617277796f <???+1920432495>

It seems the name is not print out. 

If I'm using the check-libcfunc-avail.sh to check the 
_pywrap_tensorflow_internal.so, I get the following output:

pthread_mutex_consistent not found
pthread_mutexattr_setrobust not found
fmaf not found
fma not found
mallinfo not found
0000000000000000 not found
DF not found
*UND* not found
0000000000000000 not found
(GLIBC_2.2.5) not found
mremap not found

Originally, it also contains some output of missing complex number related 
functions. I include those from musl. The list reduces to the above. 

It would be great to know which symbol it's missing. I'm not sure whether 
it's looking for a symbol from libc or from other library. 

Best,
Zhiting

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