the current libical/portfile.cmake has `-DCMAKE_DISABLE_FIND_PACKAGE_BDB=ON` that needs to changed to `-DCMAKE_DISABLE_FIND_PACKAGE_BerkeleyDB=ON` ref: https://github.com/libical/libical/issues/617 otherwise the berkeleydb from homebrew is being found, which we don't want.
the current libical/portfile.cmake has
-DCMAKE_DISABLE_FIND_PACKAGE_BDB=ONthat needs to changed to
-DCMAKE_DISABLE_FIND_PACKAGE_BerkeleyDB=ONref: libical/libical#617
otherwise the berkeleydb from homebrew is being found, which we don't want.