Re: [Xen-devel] Xen compilation fails for ARM32 when recompiled on a ARM64 build

[Julien Grall <julien.grall@xxxxxxx>]

create ^
title it makefile: clean target should affect the whole tree
severity it wishlist
thanks

On 24/11/16 16:12, Jan Beulich wrote:
> > > > On 24.11.16 at 16:58, <julien.grall@xxxxxxx> wrote:
> > On 24/11/16 15:53, Andrew Cooper wrote:
> > > On 24/11/16 15:48, Bhupinder Thakur wrote:
> > > > If I manually remove the following files and recompile then
> > > > compilation is successful:
> > > >
> > > > Remove xen/arch/arm/asm-offsets.s
> > > > Remove xen/arch/arm/xen.lds
> > > >
> > > > The same issue happens if you build for ARM32 first and then try to
> > > > build for ARM64. After removing the 2 files manually, the compilation
> > > > is successful.
> > > >
> > > > I am using the following toolchains:
> > > > gcc-linaro-4.9-2014.11-x86_64_aarch64-linux-gnu.tar.xz (for ARM64 build)
> > > > x86_64-gcc-4.9.0-nolibc_arm-unknown-linux-gnueabi.tar.xz (for ARM32
> > > > build -
> > > > https://www.kernel.org/pub/tools/crosstool/files/bin/x86_64/4.9.0/)
> > > >
> > > > I think probably the above-mentioned two files need to be removed
> > > > automatically when make distclean is run.
> > > They should be deleted on `make clean`.  They are temporary files just
> > > like .o's
> > It will only happen if you do make clean XEN_TARGET_ARCH=arm64/arm32.
> >
> > This is because target clean/distclean is only called for a given
> > architecture (by the default the host one).
> >
> > I am not sure whether we should clean for any architecture.
> I think it would be nice if "clean" affected the whole tree, but for
> now I think those who really can't afford separate build trees
> will need to live with having to pass XEN_TARGET_ARCH= on
> the clean invocation.
>
> Jan
--
Julien Grall

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