How to make DLLs in cygwin for MSVC and BCB

[Patrick Rotsaert]

Hi all,

I need to build a DLL in cygwin (I use a lot of POSIX functions), that I 
can use in MSVC and Borland CBuilder apps.

There are a lot of docs on the web, but most of them seem to be 
outdated. Anyway, none of the methods I found seam to work.

The DLL will have to be loaded dynamically, i.e. using the win api func. 
LoadLibrary, so I do not need an import library.

What commands do I need to issue to build the dll correctly?

Here's some test code I use:

/* test.c */
#include <windows.h>
__declspec(dllexport) int __stdcall testfunc(char *a, char *b);

BOOL APIENTRY DllMain(HANDLE hModule, DWORD reason, LPVOID lpReserved)
{
        switch (reason) {
        case DLL_PROCESS_ATTACH:
                break;
        case DLL_THREAD_ATTACH:
                break;
        case DLL_THREAD_DETACH:
                break;
        case DLL_PROCESS_DETACH:
                break;
        }
        return TRUE;
}

int __stdcall testfunc(char *a, char *b)
{
        strcpy(a, b);
        return 0;
}



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