The patch attached to this Answer Record has been made available for ISE 14.7.
To install on Linux, use the commands below:
tar zxvf 60875_pack_147_lin64.tar.gz
To install on Windows, unzip the file "60875_pack_147_win64.zip" in the %XILINX% install directory while maintaining directory structure.
Note: A new rev2 version of the win64 patch was added in December 2015 when it was discovered that some Spartan-6 libraries were missing from the original patch.
No change was needed for the Linux patch.