Hi,
I'm trying to have hsc2hs interpret this snippet that picks a calling
convention to use for FFI imports:
#if !defined(CALLCONV)
#ifdef WITH_WINSOCK
#define CALLCONV stdcall
#else
#define CALLCONV ccall
#endif
#endif
foreign import CALLCONV unsafe "send"
c_send :: CInt -> Ptr a -> CSize -> CInt -> IO CInt
Compiling results in:
parse error on input `CALLCONV'
Inspecting the generated .hs file shows that CALLCONV appear in the
source code instead of being replaced with either stdcall or ccall as
expected. What's the correct way to use #define in .hsc files?
Changing the file extension to .cpphs solves the problem, by using
plain CPP instead of hsc2hs I presume.
Cheers,
Johan
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