Bug#1001882: 0ad: FTBFS on armhf: error: ‘-mfloat-abi=hard’: selected architecture lacks an FPU

[Simon McVittie]

On Sat, 18 Dec 2021 at 17:22:49 +0800, Shengjing Zhu wrote:
>   process didn't exit successfully: `/<<PKGBUILDDIR>>/libraries/source/spidermonkey/mozjs-78.6.0/build-debug/debug/build/mozglue-static-db2fd9029278a596/build-script-build` (exit status: 1)
...
>   cargo:warning=cc1plus: error: ‘-mfloat-abi=hard’: selected architecture lacks an FPU

This looks like the same root cause as #1001314, which was triggered by
configuration changes in Debian's gcc-11: 0ad seems to include a vendored
copy of mozjs78, which includes a vendored copy of cc-rs, which needs
<https://salsa.debian.org/gnome-team/mozjs/-/blob/debian/78/master/debian/patches/Fix-armhf-build-for-GCC-11-627.patch>
(originally
<https://github.com/alexcrichton/cc-rs/commit/b2f6b146b75299c444e05bbde50d03705c7c4b6e>).

If it's feasible to make 0ad use a system copy of mozjs78, that might
help to avoid this sort of thing, although I realise the version of mozjs
that we need for gjs and polkit is not always going to be the same as
the version that 0ad wants.

    smcv