[Bug-gsl] [bug #39991] build issues on windows

[Patrick Alken]

URL:
  <http://savannah.gnu.org/bugs/?39991>

                 Summary: build issues on windows
                 Project: GNU Scientific Library
            Submitted by: psa
            Submitted on: Mon 09 Sep 2013 05:56:47 PM GMT
                Category: Build
                Severity: 3 - Normal
        Operating System: 
                  Status: None
             Assigned to: None
             Open/Closed: Open
                 Release: 
         Discussion Lock: Any

    _______________________________________________________

Details:

> As you may know, I provide build files that allow GSL to be built with
> the Microsoft and the Intel compilers on Windows.   To do this requires
> only a small number of changes to the GSL source code as follows:
>
> In ieee-utils/env.c:
>
> void
> gsl_ieee_env_setup (void)
> {
>   const char * p = getenv("GSL_IEEE_MODE") ;
>
>   int precision = 0, rounding = 0, exception_mask = 0 ;
>
>   int comma = 0 ;
>
> #if defined( _MSC_VER )    /* BRG */
>
>     extern const char *fp_env_string;
>     p = fp_env_string;
>
> #else
>
>   if (p == 0)  /* GSL_IEEE_MODE environment variable is not set */
>     return ;
>
>   if (*p == '\0') /* GSL_IEEE_MODE environment variable is empty */
>     return ;
>
> #endif
>   ...
>
> and early in matrix/test.c and vector/test.c:
>
> #if defined( _MSC_VER ) && defined( GSL_DLL )    /* BRG */
> #undef inline
> #define inline __forceinline
> #endif
>
> With these changes it is possible to build GSL on Windows using the
> Microsoft and Intel compilers with no
> further source code changes (I do also add one file to read the floating
> point control word). 
>
> Although I recognise that GSL on WIndows is not a priority, there is
> nevertheless a substantial user community on this platform, some of whom
> do make ongoing contributions to GSL. 
>
> Whilst writing I would like to thank Rhys for helping me get bzr on
> windows working.  The effort has paid off since it is now working very
well.
>  
>    with my regards,
>
>         Brian Gladman
>
>
My apologies, in describing these changes I forgot my punchline.

Would it be possible to have these changes incorporated in the GSL
source code?

    Brian Gladman






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