Hi everybody!
Thanks for testing.
Here is a summary of the current status:
openSuSE Tumbleweed: Gub succeeds, but it is necessary to install
gcc-7.
openSuSE Leaf 42.3: Gub succeeds.
Ubuntu 18.04[.1]: Gub succeeds. But. libc6-dev-i386 must be
installed.
If you installed libn32curses5 and lib32z1
you don't need to install libc6-dev-i386 explicitly.
Also builds inside VirtualBox 5.2.22r126460
on Windows 7 Pro 64-bit SP1
Ubuntu 16.04: Gub succeeds on my system, but it fails on the
system of Federico Bruni. Don't know why,
Ubuntu 14.04: Gub succeeds.
Linux Mint 19.1: Gub succeeds.
Fedora 29: Seems to be broken. Needs a downgrade to
gcc-7, but that's not enough. [Federico Bruni]
Debina 9: Seems to be broken. [Federico Bruni]