[mercury-users] Cross-compiling with mingw32

[Michael Day]

> In the asm_fast.gc grade it compiled successfully, but when linking:
> /usr/bin/ld: bad -rpath option

Success! Adding an extra object file containing a faked snprintf gets a
Mercury "Hello, world!" compiled on Linux and running on Windows in just
1.1 megabytes!

Seriously though, it seems like it wouldn't be too tricky to offer a
binary distribution for a Linux->Windows cross compiling Mercury using
mingw32, which would be pretty handy.

Now with mmc --make and --use-grade-subdirs it's trivial to build programs
in multiple grades and cross-compiled for multiple architectures all from
the one place, which is a hugely cool if you want to deliver binaries for
multiple systems. Thanks to Mercury team for the steadily increasing user
friendliness of the build system!

Michael

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