[Mingw-users] [mingw - C/C++] linking with dllwrap?

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By: figuinho

Hi,

I use a simulation software which needs dll files to modell a component: I wrote
a C file, which is compiled with gcc. Then dllwrap builds a dll from the .o
file. It works fine.

When I want to use a function, I provide the include file with its prototype.
There is no error when compiling. But I don't know how to tell dllwrap (or ld?)
to check the .lib file including this function! I already tried options like
-L or -l like in unix style but it didn't work.

Somebody can help me?

The makefile is below
SET CC="C:\Program Files\MinGW\bin\gcc.exe" -w -DBUILDING_DLL=1
SET INCDIRS=-I"." -I"D:\alex\nsp" -I"C:\ProgramFiles\bla\bla\include"
SET LD="C:\ProgramFiles\MinGW\bin\ld.exe"
%CC% -c  %INCDIRS%   coslib.c
"C:\Program Files\MinGW\bin\dllwrap" -o coslib.dll coslib.o --no-export-all-symbols
--add-stdcall-alias

the error message is 

D:\alex\test>"C:\Program Files\MinGW\bin\dllwrap" -o coslib.dll coslib.o
--no-export-all-symbols --add-stdcall-alias

C:\Program Files\MinGW\bin\dllwrap: no export definition file provided. Creating
one, but that may not be what you want
coslib.o(.text+0x7fe):coslib.c: undefined reference to `nspzFft@12'
C:\Program Files\MinGW\bin\dllwrap: C:\Program Files\MinGW\bin\gcc exited with
status 1


Thank you for your help
Alex

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