More details: 90c34c8bb9

Signed-off-by: Maxim Anisimov <maxim.anisimov.ua@gmail.com>

Fixes all known CVEs.

Various Makefile cleanups for consistency between packages.

Added PIC explicitly (was implicit). Removed two extra features.

Removed autoreconf and added PKG_BUILD_PARALLEL for faster compilation.

Roughly matched host configure args with target ones.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

Fixes:
CVE-2019-13117
CVE-2019-13118

Signed-off-by: Jan Pavlinec <jan.pavlinec@nic.cz>

Fixes CVE-2019-11068

Signed-off-by: Jan Pavlinec <jan.pavlinec@nic.cz>