* About DLL compilation problem
@ 2021-09-03 16:10 Ricardo Santos Pereira
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From: Ricardo Santos Pereira @ 2021-09-03 16:10 UTC (permalink / raw)
To: cygwin
Hi Corina
just figured out that a .def file in a dll may export function from a dll
that is referenced in the compilation stage like this:
gcc file.c external.dll def.def -o out.dll
if in the def.def it has a function that is in the file.c and also
available in external.dll it may generate an invalid out.dll
I don't know but this looks like a problem in gcc that need to be fixed,
spend one hour modifying my function in file.c and it was linking with
external.dll
then I commented the function inside file.c and saw the compilation stage
finished without a link error
if it is a GCC feature then a warning about expernal DLL linkage could help
a lot when the function exported is inside an external DLL
hope to have explained it in an easy way
Ricardo
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