json-c 0.18 = https://github.com/json-c/json-c/archive/refs/tags/json-c-0.18-20240915.tar.gz ``` sh *** build *** mkdir build; cd build && ../cmake-configure -DCMAKE_POLICY_VERSION_MINIMUM=3.5 .. && cmake -DCMAKE_POLICY_VERSION_MINIMUM=3.5 -DCMAKE_INSTALL_PREFIX=/pkg/gnu/json-c .. && make -j$(nproc) && make install ```