On 01/09/2018 02:06 AM, Nirbheek Chauhan wrote:
On Tue, Jan 9, 2018 at 3:20 PM, Nirbheek Chauhan
<[email protected]> wrote:
If we want to setup a cross-file to use these arguments, we would have to
generate the cross-file on-the-fly (not good).
Out of interest, why is that not good? That is precisely what Gentoo
does and it has to solve the same problems here that Yocto is facing.
To expand on this, the reason why meson requires a cross file for
cross-compilation is because we allow build files to use both native
and cross compilers within the same build. This is quite useful when
you want to build a tool (or generator) as part of the project that
you then use to build/generate other things that are used in the cross
build.
To be clear, I think the cross-file is extremely important for correct
cross-compilation, and I'm fully sold on its benefits. I believe OE sets
CC, CXX, LD not because it's the best way to do cross compilation but
because it needs to support all possible tools, including straight
Makefiles with no wrappers.
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