libffi depends on pthreads.
Python depends on libffi (it can provide a builtin libffi, but also depends on
pthreads). Thus this patch also disable Python support if toolchain is compiled
w/o treads support.
Fixes http://sysmic.org/~jezz/results/204099dd:
../src/closures.c:119:21: fatal error: pthread.h: No such file or directory
[Peter: fix comment dependencies, add python3]
Signed-off-by: Jérôme Pouiller <jezz@sysmic.org>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
libffi is needed by the Python interpreter.
The libffi library provides a portable, high level programming
interface to various calling conventions. This allows a programmer to
call any function specified by a call interface description at
run-time.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
