Link against a particular version of libstdc++ Post: 302118621

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Top Forums Programming Link against a particular version of libstdc++ Post 302118621 by vino on Wednesday 23rd of May 2007 07:02:15 AM

05-23-2007

Registered User

Link against a particular version of libstdc++

Our development machines have libstdc++.so.5 and libstdc++.so.6.

When we build our native code, it uses libstdc++.so.6. Is there anyway I can force it to use libstdc++.so.5 instead ?

Code:

[/tmp]$ ldd try
        /usr/lib/libcwait.so (0x00655000)
        libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x007cd000)
        libc.so.6 => /lib/tls/libc.so.6 (0x00399000)
        libm.so.6 => /lib/tls/libm.so.6 (0x004c5000)
        libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x007a3000)
        /lib/ld-linux.so.2 (0x0037c000)
[/tmp]$ ls -l /usr/lib/libstdc++*
-rwxr-xr-x  1 root root 258288 Dec 14  2004 /usr/lib/libstdc++-2-libc6.1-1-2.9.0.so
-rwxr-xr-x  1 root root 268428 Dec 14  2004 /usr/lib/libstdc++-3-libc6.2-2-2.10.0.so
lrwxrwxrwx  1 root root     30 Oct 18  2006 /usr/lib/libstdc++-libc6.1-1.so.2 -> libstdc++-2-libc6.1-1-2.9.0.so
lrwxrwxrwx  1 root root     31 Oct 18  2006 /usr/lib/libstdc++-libc6.2-2.so.3 -> libstdc++-3-libc6.2-2-2.10.0.so
lrwxrwxrwx  1 root root     18 Oct 18  2006 /usr/lib/libstdc++.so.5 -> libstdc++.so.5.0.7
-rwxr-xr-x  1 root root 744136 Dec  1  2004 /usr/lib/libstdc++.so.5.0.7
lrwxrwxrwx  1 root root     18 Oct 18  2006 /usr/lib/libstdc++.so.6 -> libstdc++.so.6.0.3
-rwxr-xr-x  1 root root 807680 Dec 20  2005 /usr/lib/libstdc++.so.6.0.3

Here the machine/gcc details

Code:

[/tmp]$ gcc --version
gcc (GCC) 3.4.5 20051201 (Red Hat 3.4.5-2)
Copyright (C) 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

[/tmp]$ uname -a
Linux staci21 2.6.9-34.0.1.0.11.ELsmp #1 SMP Thu Oct 26 14:26:54 PDT 2006 i686 i686 i386 GNU/Linux
[/tmp]$

Thanks.

vino

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__gnu_cxx::__mt_alloc

__gnu_cxx::__mt_alloc< _Tp, _Poolp >(3) 		     Library Functions Manual			   __gnu_cxx::__mt_alloc< _Tp, _Poolp >(3)

NAME

       __gnu_cxx::__mt_alloc< _Tp, _Poolp > -

SYNOPSIS

       Inherits __gnu_cxx::__mt_alloc_base< _Tp >.

   Public Types
       typedef _Poolp __policy_type
       typedef _Poolp::pool_type __pool_type
       typedef const _Tp * const_pointer
       typedef const _Tp & const_reference
       typedef ptrdiff_t difference_type
       typedef _Tp * pointer
       typedef std::true_type propagate_on_container_move_assignment
       typedef _Tp & reference
       typedef size_t size_type
       typedef _Tp value_type

   Public Member Functions
       __mt_alloc (const __mt_alloc &) noexcept
       template<typename _Tp1 , typename _Poolp1 > __mt_alloc (const __mt_alloc< _Tp1, _Poolp1 > &) noexcept
       const __pool_base::_Tune _M_get_options ()
       void _M_set_options (__pool_base::_Tune __t)
       pointer address (reference __x) const noexcept
       const_pointer address (const_reference __x) const noexcept
       pointer allocate (size_type __n, const void *=0)
       template<typename _Up , typename... _Args> void construct (_Up *__p, _Args &&...__args)
       void deallocate (pointer __p, size_type __n)
       template<typename _Up > void destroy (_Up *__p)
       size_type max_size () const noexcept

Detailed Description
   template<typename _Tp, typename _Poolp = __common_pool_policy<__pool,  true >>class __gnu_cxx::__mt_alloc< _Tp, _Poolp >
       This is a fixed size (power of 2) allocator which - when compiled with thread support - will maintain one freelist per size per thread plus
       a global one. Steps are taken to limit the per thread freelist sizes (by returning excess back to the global list).

       Further details: http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt12ch32.html.

       Definition at line 639 of file mt_allocator.h.

Author
       Generated automatically by Doxygen for libstdc++ from the source code.

libstdc++							  Tue Jun 10 2014			   __gnu_cxx::__mt_alloc< _Tp, _Poolp >(3)