Bug#787207: cuneiform: FTBFS on arm64, ...

[Edmund Grimley Evans <edmund.grimley.evans@gmail.com>]

Source: cuneiform
Version: 1.1.0+dfsg-5

It failed to build, in a distinctive fashion ("browe dog"), on several
Debian architectures that have an unsigned char, arm64 among them:

https://buildd.debian.org/status/package.php?p=cuneiform&suite=sid

For what it's worth, I was able to build this package on arm64 simply
by adding " -fsigned-char" to the end of the line in debian/rules that
starts with "CFLAGS =".

If you wanted to fix the problem properly you could perhaps arrange to
compile some source files with and some without "-fsigned-char" and
thus discover, semi-automatically, which files contain the dodgy code.
By using "-funsigned-char" instead maybe you could even investigate
this problem on a system where plain char is signed.