win32 api and using in Cygwin.

win32 api and using in Cygwin.

[rob franz]

Hi,
This isn't a programming question, but I think more of a setup question...

I setup cygwin using the setup.exe from the web site.  Everything seems to 
be in order, but I am having some problems compiling programs that have 
elements of win32 in them. For example, in a simple program, I can get a 
message box to pop up with no problems, but simple data types such as HDC 
and PAINTSTRUCT are unrecognized and therefore treated as parse errors. I've 
included windows.h, and that should be all I need, right?  I've also tried 
adding compiler flags, such as
-mwindows, but i still get these data types treated as parse errors....

some code:

#include <windows.h>

int   WINAPI WinMain(
      HINSTANCE   hInstance,
      HINSTANCE   hPrevInstance,
      LPSTR       pszCmdLine,
      int         nCmdShow
  )
{
   WNDCLASS wndClass;

   wndClass.style = 0;
   ...
}

Just an example, but when I try to reference an attribute of wndClass, it 
will get treated as a parse error....

any ideas on what I'm doing wrong or has someone seen this before?  I'm very 
new to cygwin.

Thanks in advance,
ROb



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Re: Win32 api and using in Cygwin

[Earnie Boyd]

Mark Schoenberg wrote:
> 
> Dear Rob,
> 
>      I am not sure that I can see your problem.  If the code below is in the
> file a.c or a.cpp, the command "gcc -o a a.c" or "gcc -o a a.cpp" compiles a.exe
> for me without any errors messages.  Executing a.exe, of course, results in
> nothing special happening.
> 

The current versions of gcc will find the windows include files
regardless that you didn't specify -mwin32.  Some prior versions only
included windows include files if you specified -mwin32.

I suggest upgrading to gcc-2.95.3-4.
-- 
Earnie.

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Re: Win32 api and using in Cygwin

[Mark Schoenberg]

Dear Rob,

     I am not sure that I can see your problem.  If the code below is in the
file a.c or a.cpp, the command "gcc -o a a.c" or "gcc -o a a.cpp" compiles a.exe
for me without any errors messages.  Executing a.exe, of course, results in
nothing special happening.


   #include <windows.h>

   int   WINAPI WinMain(
         HINSTANCE   hInstance,
         HINSTANCE   hPrevInstance,
         LPSTR       pszCmdLine,
         int         nCmdShow
     )
   {
      WNDCLASS wndClass;

      wndClass.style = 0;
   }

Regards,

   Mark Schoenberg

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