Il 24/08/2012 14:00, Brad Smith ha scritto: >>>>> > >> > OpenBSD's uname works as expected with the -s flag so remove the >>>>> > >> > special >>>>> > >> > handling when determining the target OS. Use arch -s to retrieve >>>>> > >> > the >>>>> > >> > hardware architecture as uname -m will return the meta architecture >>>>> > >> > instead of the hardware architecture (.e.g. macppc vs powerpc). >>> > > I'm afraid I think this patch is moving in the wrong direction. >>> > > Wherever possible we should be using compiler checks like check_define, >>> > > not looking at the output of 'uname' and the like. The former will >>> > > work when cross compiling, and the latter will give the wrong answers. >>> > > In some places we have that kind of 'look at uname/etc' check but >>> > > we should be trying to reduce and eliminate it where possible. >> > >> > Right, we should support GNU triplets and a --host argument, and replace >> > uname checks with pattern matching on the triplet. > That still requires a means of generating that triplet in the first place.
That's what GNU config.guess is for, but it is only used in the non-cross-compilation case. QEMU's homegrown configure hardly distinguishes between native and cross builds. Paolo