boost 1.92
=
https://github.com/boostorg/boost/releases/download/boost-1.91.0-1/boost-1.91.0-1-cmake.tar.xz

``` sh *** build ***
mkdir -p build; cd build
cmake .. -DCMAKE_INSTALL_PREFIX="$pkgpath" \
         -DBOOST_ENABLE_CMAKE=ON
make -j$(nproc)
make install
```