86c3077ff4
The ISO9660 tests are currently using an old 2017 toolchain. Let's
switch to a modern toolchain, which is regularly updated. Also, we use
a toolchain based on glibc since grub2 doesn't build with recent
uClibc toolchains.
It will work around build issues with syslinux.
Fixes:
https://gitlab.com/buildroot.org/buildroot/-/jobs/10975828975
https://gitlab.com/buildroot.org/buildroot/-/jobs/10975828871
https://gitlab.com/buildroot.org/buildroot/-/jobs/10975828770
(Even though those should be fixed separately, as syslinux should
continue to build with old compilers not supporting std=gnu17)
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>
(cherry picked from commit 2e2bfd678b)
Signed-off-by: Thomas Perale <thomas.perale@mind.be>