library dependency problem in qnx

[rperrone]

Hi,

I compiled boost 1_35_0 libraries(regex and filesystem) in qnx 6.3.2, but when try to check your dependencies an undefined reference appears:

# ld libboost_filesystem-mt.so
ld: warning: bin.v2/libs/system/build/qcc/release/threading-multi/libboost_system-mt-1_35.so.1.35.0, needed by libboost_
filesystem-mt.so, not found (try using -rpath or -rpath-link)
ld: warning: libm.so.2, needed by libboost_filesystem-mt.so, not found (try using -rpath or -rpath-link)
ld: warning: libcpp.so.4, needed by libboost_filesystem-mt.so, not found (try using -rpath or -rpath-link)
ld: warning: libc.so.2, needed by libboost_filesystem-mt.so, not found (try using -rpath or -rpath-link)
ld: warning: cannot find entry symbol _start; defaulting to 08048284
libboost_filesystem-mt.so: undefined reference to `strcpy'
libboost_filesystem-mt.so: undefined reference to `operator new[](unsigned)'
libboost_filesystem-mt.so: undefined reference to `std::locale::locale(char const*, int)'
libboost_filesystem-mt.so: undefined reference to `__cxa_rethrow'
libboost_filesystem-mt.so: undefined reference to `sysconf'
libboost_filesystem-mt.so: undefined reference to `utime'
libboost_filesystem-mt.so: undefined reference to `stat64'
libboost_filesystem-mt.so: undefined reference to `memmove'
libboost_filesystem-mt.so: undefined reference to `std::exception::~exception()'
libboost_filesystem-mt.so: undefined reference to `pathconf'
libboost_filesystem-mt.so: undefined reference to `std::_String_base::_Xran() const'
libboost_filesystem-mt.so: undefined reference to `wcslen'
libboost_filesystem-mt.so: undefined reference to `boost::system::get_system_category()'
libboost_filesystem-mt.so: undefined reference to `__cxa_call_unexpected'
libboost_filesystem-mt.so: undefined reference to `std::_String_base::_Xlen() const'
libboost_filesystem-mt.so: undefined reference to `memcpy'
libboost_filesystem-mt.so: undefined reference to `mbrtowc'
libboost_filesystem-mt.so: undefined reference to `malloc'
libboost_filesystem-mt.so: undefined reference to `std::_Locinfo::~_Locinfo()'
libboost_filesystem-mt.so: undefined reference to `_Mbcurmax'
libboost_filesystem-mt.so: undefined reference to `readdir_r'
libboost_filesystem-mt.so: undefined reference to `rmdir'
libboost_filesystem-mt.so: undefined reference to `vtable for __cxxabiv1::__si_class_type_info'
libboost_filesystem-mt.so: undefined reference to `wmemcpy'
libboost_filesystem-mt.so: undefined reference to `operator delete(void*)'
libboost_filesystem-mt.so: undefined reference to `__cxa_end_catch'
libboost_filesystem-mt.so: undefined reference to `rename'
libboost_filesystem-mt.so: undefined reference to `__gxx_personality_v0'
libboost_filesystem-mt.so: undefined reference to `typeinfo for std::exception'
libboost_filesystem-mt.so: undefined reference to `statvfs64'
libboost_filesystem-mt.so: undefined reference to `write'
libboost_filesystem-mt.so: undefined reference to `std::locale::id::_Id_cnt'
libboost_filesystem-mt.so: undefined reference to `chdir'
libboost_filesystem-mt.so: undefined reference to `_Unwind_Resume'
libboost_filesystem-mt.so: undefined reference to `memchr'
libboost_filesystem-mt.so: undefined reference to `__get_errno_ptr'
libboost_filesystem-mt.so: undefined reference to `std::codecvt<wchar_t, char, _Mbstatet>::id'
libboost_filesystem-mt.so: undefined reference to `__cxa_pure_virtual'
libboost_filesystem-mt.so: undefined reference to `read'
libboost_filesystem-mt.so: undefined reference to `unlink'
libboost_filesystem-mt.so: undefined reference to `_Locksyslock'
libboost_filesystem-mt.so: undefined reference to `_Unlocksyslock'

The same occurs to any compiled library. Does anybody know how to solve it? I tried with ldd:

# ldd libboost_filesystem-mt.so
./libboost_filesystem-mt.so:
        libboost_filesystem-mt.so => ./libboost_filesystem-mt.so (0xb8200000)
ldd: ./libboost_filesystem-mt.so: Memory fault (core dumped)

I do not figure out why this happens.

Thanks
Ricardo  

[Vladimir Prus]

On Friday 02 May 2008 10:01:09 rperrone wrote:
>
> Hi,
>
> I compiled boost 1_35_0 libraries(regex and filesystem) in qnx 6.3.2, but
> when try to check your dependencies

Trying to do what?

> an undefined reference appears:
>
> # ld libboost_filesystem-mt.so
> ld: warning:
> bin.v2/libs/system/build/qcc/release/threading-multi/libboost_system-mt-1_35.so.1.35.0,
> ld: warning: cannot find entry symbol _start; defaulting to 08048284
> libboost_filesystem-mt.so: undefined reference to `strcpy'

This is twice wrong. First, you are trying to create executable from a shared
object to a linker, without any module providing the 'main' function.  
Second, you should never use 'ld' directly, but use 'gcc' instead (which will
make sure to link with all required system libraries).

> The same occurs to any compiled library. Does anybody know how to solve it?
> I tried with ldd:
>
> # ldd libboost_filesystem-mt.so
> ./libboost_filesystem-mt.so:
>         libboost_filesystem-mt.so => ./libboost_filesystem-mt.so
> (0xb8200000)
> ldd: ./libboost_filesystem-mt.so: Memory fault (core dumped)

This means your dynamic linker is buggy; please discuss this with the OS
distributor.

- Volodya
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