On 10/15/2012 8:21 AM, Ruben Van Boxem wrote:
2012/10/15 niXman <[email protected] <mailto:[email protected]>>
> which I've downloaded:
>
http://sourceforge.net/projects/mingwbuilds/files/host-windows/releases/4.7.2/64-bit/threads-win32/sjlj/x64-4.7.2-release-win32-sjlj-rev0.7z/download
This is a 64-bit MinGW.
> What am I missing?
You can not run 64-bit executables on 32-bot OS.
But you can use my 32-bit to 64-bit compiler to build them. You
shouldn't suggest to use a 64-bit hosted toolchain to build on a
32-bit platform. Your naming is confusing: the "win32" seems mightily
wrong.
To answer the original question: when GCC is built as a
cross-compiler, say from i686-w64-mingw32 (32-bit native windows) to
x86_64-w64-mingw32 (64-bit native Windows), it automatically adds the
target triplet prefix 'x86_64-w64-mingw32-" to all compiler programs.
Same for binutils, and gdb for that matter.
If you wish you can rename them to not have the prefix, but this will
in the best case cause some configure scripts (from GNU autotools) to
malfunction as the requested applications might not be found.
Also: a cross-compiler puts its GCC runtime DLLs in
mingw??/*-w64-mingw32/lib, and these are the DLLs that applications
built with the compiler will need unless you specify "-static" when
linking. For a fully native compiler (say 32-bit Windows to 32-bit
Windows), these DLLs are located in mingw??/bin instead.
One more slightly different alternative would be to try your luck with
TDM-GCC: <http://tdm-gcc.tdragon.net/>. It's a curious beast host-wise
-- although it thinks it's a native x64 toolchain, the executables are
actually 32-bit and it should be able to run on 32-bit Windows without
any problems (at least, I've never had any reports to the contrary).
There are a few other differences from other "vanilla" GCC distributions
-- just make sure you check out the README if you end up using it.
-John E. / TDM
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