wget -c ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-8.42.tar.bz2
tar -xjf pcre-8.42.tar.bz2
cd pcre-8.42
mkdir -p build
cd build
../configure --prefix="/usr" --enable-unicode-properties
make # Doesn't mind -j#
make install