build: use system libsodium by default
commite313a5415241cd2b0a81ae4ac55a53b36ab153ff
authorTobias Klauser <tklauser@distanz.ch>
Sun, 2 Dec 2018 16:17:35 +0000 (2 17:17 +0100)
committerTobias Klauser <tklauser@distanz.ch>
Sun, 2 Dec 2018 16:17:35 +0000 (2 17:17 +0100)
treeed51e9a2d1b6dd48f1351d31bd52becab08a6afc
parent8c11a4e50df3c31a60500c04fed899e3773e9a17
build: use system libsodium by default

If libsodium is installed (i.e. pkg-config --variable=includedir
libsodium returns a non-empty path), assume libsodium is installed and
use it instead of libnacl.

To use libnacl, set NACL_INC_DIR, NACL_LIBDIR and NACL_LIB accordingly.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
configure