Ubuntu 14.04 has miniupnpc 1.6.3 REGEX was failing because the string was empty, causing cmake to error and not generate a Makefile. This allows systems with older versions of miniupnpc to fall back to the statically linked version in externals.
Ubuntu 14.04 has miniupnpc 1.6.3 REGEX was failing because the string was empty, causing cmake to error and not generate a Makefile. This allows systems with older versions of miniupnpc to fall back to the statically linked version in externals.