a4807a398e
C++17 is mandatory since bump to version 3.0.7 in commit
d676c0e494 and
https://github.com/libsigcplusplus/libsigcplusplus/commit/617276cf47db463159263c359f7db09fcb6aaa9e
Fixes:
- http://autobuild.buildroot.org/results/6753fc9dce030a7d8be9afd202a5e27bc09a0041
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>