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Full Discussion: Link against a particular version of libstdc++
Top Forums Programming Link against a particular version of libstdc++ Post 302118876 by vino on Friday 25th of May 2007 12:09:24 AM
Old 05-25-2007
Quote:
Originally Posted by porter
two answers...

1. list the explicit path on the link line, ld will extract the SONAME and use it.

2. use -lstdc++.5
With suggestion 1, it does get compiled with libstdc++.so.5. It also gets compiled with libstdc++.so.6. See this

Code:
ldd setup | grep libstd
        libstdc++.so.5 => /usr/lib/libstdc++.so.5 (0x03ff5000)
        libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x007cd000)

I also get a warning.
Code:
/usr/bin/ld: warning: libstdc++.so.6, needed by /usr/lib/qt-3.3/lib/libqt-mt.so, may conflict with libstdc++.so.5

I wonder could this be the reason why libstdc++.so.6 is also required ?

With suggestion 2, I get the error

Code:
/usr/bin/ld: cannot find -lstdc++.5
collect2: ld returned 1 exit status
make: *** [setup] Error 1

 

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LEARN ABOUT CENTOS

std::placeholders

std::placeholders(3)					     Library Functions Manual					      std::placeholders(3)

NAME

       std::placeholders -

SYNOPSIS

   Variables
       const _Placeholder< 1 > _1
       const _Placeholder< 10 > _10
       const _Placeholder< 11 > _11
       const _Placeholder< 12 > _12
       const _Placeholder< 13 > _13
       const _Placeholder< 14 > _14
       const _Placeholder< 15 > _15
       const _Placeholder< 16 > _16
       const _Placeholder< 17 > _17
       const _Placeholder< 18 > _18
       const _Placeholder< 19 > _19
       const _Placeholder< 2 > _2
       const _Placeholder< 20 > _20
       const _Placeholder< 21 > _21
       const _Placeholder< 22 > _22
       const _Placeholder< 23 > _23
       const _Placeholder< 24 > _24
       const _Placeholder< 25 > _25
       const _Placeholder< 26 > _26
       const _Placeholder< 27 > _27
       const _Placeholder< 28 > _28
       const _Placeholder< 29 > _29
       const _Placeholder< 3 > _3
       const _Placeholder< 4 > _4
       const _Placeholder< 5 > _5
       const _Placeholder< 6 > _6
       const _Placeholder< 7 > _7
       const _Placeholder< 8 > _8
       const _Placeholder< 9 > _9

Detailed Description
       ISO C++11 entities sub-namespace for functional.

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

libstdc++							  Tue Jun 10 2014					      std::placeholders(3)
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