[Pkg-rust-maintainers] Bug#903118: Bug#903118: rustc: FTBFS in stretch (no cargo executable found)

[Moritz Mühlenhoff]

On Fri, Jul 06, 2018 at 03:18:00PM +0000, Ximin Luo wrote:
> Santiago Vila:
> > [..]
> > Exception: no cargo executable found at `/usr/bin/cargo`
> > debian/rules:216: recipe for target 'override_dh_auto_build-indep' failed
> > make[1]: *** [override_dh_auto_build-indep] Error 1
> > make[1]: Leaving directory '/<<BUILDDIR>>/rustc-1.24.1+dfsg1'
> > debian/rules:143: recipe for target 'build-indep' failed
> > make: *** [build-indep] Error 2
> > dpkg-buildpackage: error: debian/rules build-indep gave error exit status 2
> > --------------------------------------------------------------------------------
> > 
> > I did "dpkg-buildpackage -A" but apparently it also fails with "dpkg-buildpackage -B"
> > in every other architecture:
> > 
> 
> Moritz,
> 
> The easiest way to fix all of the above would be to re-introduce the cargo/rustc self-Build-Depends but add a [!amd64] architecture-specific annotation to it. Then an arch:all build and the other-architecture builds will simply be not performed due to "missing build-deps".
> 
> This is what `d/rules source_orig-dl` suggests and I should have been more strict about it when reviewing your earlier patch, sorry.

Sounds good. I'll prepare an update over the weekend.

Cheers,
        Moritz