Hi,
I just added boost 1.84.0 to Craft, but didn't set it as the default version
yet. This should wait for a Craft cache rebuild (the next one will likely be in
not too distant future ones Qt 6.6.2 is released). However this allows to try
the new boost version for KDiff3 already via .craft.ini
Kdiff3 has run into a compilation bug in boost-hearders 1.80 on MacOS
std::unary_function and std::binary_function are no longer available in
C++17 and C++20. They can be re-enabled by defining
_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION. They are also marked as
[[deprecated]] in C++11 and
