package/directfb: disable on riscv32
directfb unconditionally uses __NR_futex which will raise the following
build failure on riscv32:
system.c:242:21: error: '__NR_futex' undeclared (first use in this function)
242 | ret = syscall( __NR_futex, uaddr, op, val, timeout, uaddr2, val3 );
| ^~~~~~~~~~
Fixes:
- http://autobuild.buildroot.org/results/c0f4168575fa85af933539441eea95a3b10dac91
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(cherry picked from commit cb6fd050cd)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2956477b9e