Cross-compiling with winelib
Eric Frias
efrias at syncad.com
Thu Jun 23 09:03:34 CDT 2005
We're working on setting up an environment to cross-compile a winelib
application (initially from x86 linux to sparc solaris). To do this, we
need a cross-compiling version of winebuild which will generate the
assembly code for the target architecture instead of the build architecture.
I see two basic ways we can accomplish this. We could either use
autoconf's --target flag to specify the target architecture, and then
replace all of the "#ifdef __sparc__" statements in winebuild with
"#ifdef __target_arch_sparc". I came across an autoconf macro
(http://autoconf-archive.cryp.to/ac_create_target_h.html) that would
generate the appropriate defines.
The other way we could approach the problem is to modify winebuild to
always generate assembly code for all of the architectures, pushing the
#ifdefs down into the .spec.c file.
I'm inclined to stick with the first option, since it looks like less
work and less chance of introducing errors, but I wanted to run it by
the list before starting work. Would a patch like this be accepted into
wine? Do you know of any other gotchas we should be aware of?
Thanks,
Eric
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