[Boost-users] Réf. : [boost] Réf. : Re: [filesystem] building for cygwin

From: frederic.bron_at_[hidden]
Date: 2007-07-09 07:07:12

Finally, I had a close look inside filesystem files and I discovered that to compile for cygwin 2 flags must be set: BOOST_POSIX_API and BOOST_POSIX_PATH! If only BOOST_POSIX_API, BOOST_WINDOWS_PATH
is set automatically. Why??? This is a strange behaviour.

Then:

- either change the doc and add that for cygwin compilation, BOOST_POSIX_PATH must be set as BOOST_POSIX_API,
- or change filesystem/config.hpp so that BOOST_POSIX_PATH is automatically set when BOOST_POSIX_API is set (I would prefer this solution).

Regards,

F. Bron

                                                                                                                                                                         
                      frederic.bron_at_alca                                                                                                                                 
                      n.com                     Pour :    boost_at_[hidden]                                                                                          
                      Envoyé par :              cc :      (ccc : Frederic Bron/Alcan)                                                                                    
                      boost-bounces_at_list        Objet :   [boost] Réf. : Re:  [filesystem] building for cygwin                                                           
                      s.boost.org                                                                                                                                        
                                                                                                                                                                         
                                                                                                                                                                         
                      08/07/2007 19:32                                                                                                                                   
                      Veuillez répondre                                                                                                                                  
                      à boost                                                                                                                                            
                                                                                                                                                                         

My problem is that I compiled 1.34.0 with -DBOOST_POSIX_API and it did not produce what it was suppose to produce, i.e. posix paths.

F. Bron

                      Lewis Hyatt
                      <lhyatt_at_princeton.        Pour :    boost_at_[hidden]
                      edu>                      cc :      (ccc : Frederic Bron/Alcan)
                      Envoyé par :              Objet :   Re: [boost] [filesystem] building for cygwin
                      boost-bounces_at_list
                      s.boost.org

                      08/07/2007 18:34
                      Veuillez répondre
                      à boost

I know it's possible because the cygwin package maintainer for boost
re-compiled the boost 1.33.1 package for me a while ago to include
-DBOOST_POSIX_API, to get the expected behavior on cygwin. If you post
this to the cygwin mailing list (you can get at
http://news.gmane.org/gmane.os.cygwin/ if you don't want to subscribe to
the mailing list), I'm sure he can help you out.

-Lewis

frederic.bron_at_[hidden] wrote:
> Maybe the developpers list can help? I try to have the POSIX behaviour under cygwin but get only the windows behaviour even if I compile the library and program with -DBOOST_POSIX_API.
> What should I do?
>
> Regards
>
> F. Bron
>
>
>                       frederic.bron_at_[hidden]
>                       Envoyé par :                    Pour :    boost-users_at_[hidden]
>                       boost-users-bounces_at_list        cc :      (ccc : Frederic Bron/Alcan)
>                       s.boost.org                     Objet :   [Boost-users] Réf. :  [filesystem] building for cygwin
>
>
>                       07/07/2007 15:13
>                       Veuillez répondre à
>                       boost-users
>
>
>
>
>
>
>
> Unbelievable! It does not work anymore!!! I have rebuild again the library to be sure that g++ received well -DBOOST_POSIX_API and it does.
> However, here is the output of the small program printed below:
>
> $ g++ -DBOOST_POSIX_API -I/cygdrive/d/Softs/boost_cyg/include -o toto toto.cc /cygdrive/d/Softs/boost_cyg/lib/libboost_filesystem.a
> $ ./toto
> ..\toto\x.xml
> \cygdrive\d\toto\x.xml
>
> should be
> ../toto/x.xml
> /cygdrive/d/toto/x.xml
>
> What should I do?
>
> F. Bron
>
> #include <iostream>
> #include <boost/filesystem.hpp>
>
> namespace fs=boost::filesystem ;
>
> int main() {
>         fs::path x("../toto/x.xml") ;
>         std::cout << x.file_string() << std::endl ;
>         fs::path y("/cygdrive/d/toto/x.xml") ;
>         std::cout << y.file_string() << std::endl ;
>         return 0 ;
> }
>
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