[ANN] Creating Excel-callable DLLs with GCC - fails!

Brown, Kim Kim.Brown@wl.com
Wed Mar 24 06:20:00 GMT 1999


I tried to compile these DLLs on my Win95 machine.  I downloaded and
installed egcs-1.1.2 just before I compiled them. I used the command "$
make". I placed the DLLs in my c:\windows\system directory.  They both fail
to work in my Excel 97 SR-1.  The compilation gives me a warning about "no
export definition file...".  The output during compilation of f77dll.dll is
below. Is this warning message expected? Anyone else have a problem?

dllwrap --export-all --output-def f77dll.def --driver-name g77 -o f77dll.dll
\
    f77dll.o  -s --entry __cygwin_noncygwin_dll_entry@12
Warning:  no export definition file provided
dllwrap will create one, but may not be what you want

> -----Original Message-----
> From: Mumit Khan [ mailto:khan@xraylith.wisc.EDU ]
> Sent: Wednesday, March 24, 1999 12:33 AM
> To: cygwin@sourceware.cygnus.com
> Subject: [ANN] Creating Excel-callable DLLs with GCC
> 
> 
> I've put together two trivial examples, one in C and the other in F77,
> of Excel-callable DLLs using egcs-1.1.2. This is not possible 
> with earlier
> versions due to a bug in STDCALL/WINAPI functions returing 
> floating point 
> values.
> 
ftp://ftp.xraylith.wisc.edu/pub/khan/gnu-win32/mingw32/misc/excel-dlls.zip
ftp://ftp.xraylith.wisc.edu/pub/khan/gnu-win32/cygwin/misc/excel-dlls.tar.gz

Thanks to Richard Stanton for his help.

Regards,
Mumit


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