I'm currently looking to compile native 64-bit code from a 32-bit machine (Windows).
I've been pointed at MinGW64, however I'm unsure of which package to get from their repository (Browse MinGW-w64 - for 32 and 64 bit Windows Files on SourceForge.net), or even if MinGW64 supports compilation from a 32-bit host. Can anyone who has had success in setting up such an environment offer any advice?
I've never used MinGW, but I've compiled 64-bit code with the command line compiler that comes with the Windows Platform SDK.
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I'll have to try that if there's no leads on a MinGW-64 solution. I have the 2008 version of VS, hopefully that has support for 64-bit compilation.
It does. Simply select x64 as the platform, and boom - you have a 64-bit executable.
Originally Posted by Adak
You'll need to get the cross-compiler for x86-64 (that runs on 32-bit). The native 64-bit compiler is buggy last time I checked. But that's ok, the compiler itself really doesn't need to be 64-bit.
You need to change a line or 2 in boost to get it to compile, though. Check the mingw-64 forum on sourceforge. I think I posted my solution (or workaround) there.
If you need the latest compiler, you may want to build it (binutils + gcc + 64-bit CRT) from source, which is not that difficult.
GCC 4.4.0 released!
EDIT: instructions here. http://mingw-w64.svn.sourceforge.net...16&view=markup
You can use MSYS instead of CYGWIN if you don't want CYGWIN DLL dependency.
Last edited by cyberfish; 07-13-2009 at 04:43 AM.
Ah thanks for that! I will be testing the "mingw-w64_x86-64_mingw32_4.4.0-1" package today.
A lot of the other builds I had tried either depended on the cygwin dll or weren't clear as to whether they were a 64-bit compiler targeting 32-bit or the other way around.
If I get particularly courageous I'll try the instructions you've linked, though I've never had much success building any project with MSYS or cygwin other than libmad (and only after much headache and cryptic configure/make errors).
