fxruby users - Mar 2009 - FXRuby-1.6.19 don''t run in ruby1.9.1 on windows.

I built  fxruby-1.6.19 in win32 using msys + mingw tools. 
The process of doing it is ok and generate a file fox16.so in the directory
ext\fox16.
But when i require ''fox16'', it fails to work. it reports that
"LoadError:
127.  The specified procedure could not be found . - Init_fox16 
C:/ruby_1.9.1/usr/local/lib/ruby/site_ruby/1.9.1/i386-msvcrt/fox16.so ".
how can i resolve it? thanks.

OS: windows
Ruby: ruby 1.9.1p0 (2009-01-30 revision 21907) [i386-mingw32]
-- 
View this message in context:
http://www.nabble.com/FXRuby-1.6.19-don%27t-run-in-ruby1.9.1-on-windows.-tp22451035p22451035.html
Sent from the FXRuby Users mailing list archive at Nabble.com.

On Mar 11, 2009, at 6:44 AM, prog james wrote:
> I built  fxruby-1.6.19 in win32 using msys + mingw tools.
> The process of doing it is ok and generate a file fox16.so in the  
> directory
> ext\fox16.
> But when i require ''fox16'', it fails to work. it reports
that
> "LoadError:
> 127.  The specified procedure could not be found . - Init_fox16
> C:/ruby_1.9.1/usr/local/lib/ruby/site_ruby/1.9.1/i386-msvcrt/ 
> fox16.so ".
> how can i resolve it? thanks.
I don''t have MinGW set up anymore and I''m not really inclined
to do so
until that becomes the new standard distribution for Ruby on Windows.  
If you come up with a solution to this problem and would like to  
submit a patch to fix it, I''d be glad to include that in a future  
release of FXRuby.

I resolved it. the problem is that no export function in the fox16.so file in
Windows OS.
So we must add a export attribute in the function Init_fox16 .

I change the follow line in file FXRuby.cpp 
extern "C" void Init_fox16(void)
into 
extern "C" void __attribute__ ((dllexport)) Init_fox16(void).

then recompile it and link. 
then it works well now.





Lyle Johnson-4 wrote:
> 
> 
> On Mar 11, 2009, at 6:44 AM, prog james wrote:
> 
>> I built  fxruby-1.6.19 in win32 using msys + mingw tools.
>> The process of doing it is ok and generate a file fox16.so in the  
>> directory
>> ext\fox16.
>> But when i require ''fox16'', it fails to work. it
reports that
>> "LoadError:
>> 127.  The specified procedure could not be found . - Init_fox16
>> C:/ruby_1.9.1/usr/local/lib/ruby/site_ruby/1.9.1/i386-msvcrt/ 
>> fox16.so ".
>> how can i resolve it? thanks.
> 
> I don''t have MinGW set up anymore and I''m not really
inclined to do so
> until that becomes the new standard distribution for Ruby on Windows.  
> If you come up with a solution to this problem and would like to  
> submit a patch to fix it, I''d be glad to include that in a future
> release of FXRuby.
> _______________________________________________
> fxruby-users mailing list
> fxruby-users at rubyforge.org
> http://rubyforge.org/mailman/listinfo/fxruby-users
> 
> 
-- 
View this message in context:
http://www.nabble.com/FXRuby-1.6.19-don%27t-run-in-ruby1.9.1-on-windows.-tp22451035p22468445.html
Sent from the FXRuby Users mailing list archive at Nabble.com.

On Mar 11, 2009, at 8:57 PM, prog james wrote:
> I resolved it. the problem is that no export function in the  
> fox16.so file in
> Windows OS.
> So we must add a export attribute in the function Init_fox16 .
>
> I change the follow line in file FXRuby.cpp
> extern "C" void Init_fox16(void)
> into
> extern "C" void __attribute__ ((dllexport)) Init_fox16(void).
>
> then recompile it and link.
Thanks! I am going to try to figure out how to add this attribute in a  
cross-platform way (i.e. so that adding it doesn''t break the build for
other compilers and OS''s).

On Mar 12, 2009, at 6:56 , Lyle Johnson wrote:
>> I change the follow line in file FXRuby.cpp
>> extern "C" void Init_fox16(void)
>> into
>> extern "C" void __attribute__ ((dllexport)) Init_fox16(void).
>>
>> then recompile it and link.
>
> Thanks! I am going to try to figure out how to add this attribute  
> in a cross-platform way (i.e. so that adding it doesn''t break the
> build for other compilers and OS''s).
How/why did this work before with Ruby 1.8?

Just curious,
Dave

On Mar 12, 2009, at 12:14 PM, David MacMahon wrote:
> How/why did this work before with Ruby 1.8?
I don''t know that it ever did. I''ve never tried to build with
MinGW; I
use Visual C++ to build FXRuby for Windows.