Re: [Mingw-users] [64-bit mingw] Leading underscore or not?

[Brian Dessent <brian@xxxxxxxxxxx>]

Patrick Hartling wrote:

> I am still plugging away with 64-bit MinGW stuff, and I have run into a
> particularly tricky issue. It seems that the 64-bit Visual C++ 8.0 compiler
> does not put a leading underscore on C symbols. The cross-compiler build of
> GCC 4.3.0 that I am using does, and that means that a 64-bit C library built
> using MinGW fails to resolve symbols needed by code compiled by Visual C++
> that is linking against that C library.

If gcc is not following the MS x64 platform ABI, then that's a bug that
needs to be fixed.  The port is ongoing and you should take this up with
Kai and/or the gcc list.  I seem to recall that Kai has been working on
pushing through a patch that allows supporting more than one ABI at a
time in the i386 backend, and that might be a prerequisite for fixing
this.

Brian

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