Re: [Mingw-users] Problem Using GNU Scientific Library

[Chris Wilson <chris@xxxxxxxxx>]

Hi Mark,

On Tue, 9 Mar 2010, Mark Allyn wrote:

> I certainly don't want to ask the wrong list.  But, this is one of those 
> occasions when it isn't clear which list is the right list.  Since I am 
> using MinGW to compile and link it seemed to me that MinGW was at least 
> one of the right places to ask this question.  The DLL's from Cygwin 
> seemed to me to be sort of "anyone's"  GPL'd DLL's---in this case the 
> code originated with GNU and as near as I know Cygwin was merely a 
> convenient repository for the compiled code.

If it's compiled with Cygwin GCC (without the -mno-cygwin option) then it 
depends on the Cygwin runtime (cygwin*.dll I think) and we cannot support 
it here. The only place to ask would be the Cygwin list.

Most probably they will tell you that they cannot support mixing their 
DLLs with software compiled with MinGW due to incompatibilities between 
the runtimes, and they cannot help you either. They will probably advise 
you not to mix cygwin and non-cygwin DLLs, and refuse to help you if you 
do, which is not unreasonable because the Cygwin and MSVCRT runtimes are 
not compatible and cannot be made compatible.

> I am using MSFT's cmd.exe to deal with the code, not MSYS.

The command console has nothing to do with it, I'm afraid. it appears that 
you're mixing code compiled with different compilers and using different 
(incompatible) runtimes and expecting it to work, which in general it will 
not and cannot. If you are not mixing them (your GSL does not depend on 
the Cygwin runtime in any way), please prove it.

Cheers, Chris.
-- 
_ ___ __     _
  / __/ / ,__(_)_  | Chris Wilson <0000 at qwirx.com> - Cambs UK |
/ (_/ ,\/ _/ /_ \ | Security/C/C++/Java/Perl/SQL/HTML Developer |
\ _/_/_/_//_/___/ | We are GNU-free your mind-and your software |

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