In file included from /usr/include/signal.h:328,
                 from /tmp/mongo-cxx-driver-r3.6.6/src/third_party/catch/include/catch.hpp:8034,
                 from /tmp/mongo-cxx-driver-r3.6.6/src/third_party/catch/main.cpp:16:
/tmp/mongo-cxx-driver-r3.6.6/src/third_party/catch/include/catch.hpp:10822:58: error: call to non-‘constexpr’ function ‘long int sysconf(int)’
10822  |     static constexpr std::size_t sigStackSize = 32768 >= MINSIGSTKSZ ? 32768 : MINSIGSTKSZ;
       |                                                          ^~~~~~~~~~~
In file included from /usr/include/x86_64-linux-gnu/bits/sigstksz.h:24,
                 from /usr/include/signal.h:328,
                 from /tmp/mongo-cxx-driver-r3.6.6/src/third_party/catch/include/catch.hpp:8034,
                 from /tmp/mongo-cxx-driver-r3.6.6/src/third_party/catch/main.cpp:16:
/usr/include/unistd.h:640:17: note: ‘long int sysconf(int)’ declared here
  640 | extern long int sysconf (int __name) __THROW;
      |                 ^~~~~~~
In file included from /tmp/mongo-cxx-driver-r3.6.6/src/third_party/catch/main.cpp:16:
/tmp/mongo-cxx-driver-r3.6.6/src/third_party/catch/include/catch.hpp:10881:45: error: size of array ‘altStackMem’ is not an integral constant-expression
10881 |     char FatalConditionHandler::altStackMem[sigStackSize] = {};
      |                                             ^~~~~~~~~~~~

MONGO_CXX_VERSION="r3.6.6"MONGO_CXX_VERSION="r3.6.6"
MONGO_CXX_DIR="mongo-cxx-driver-${MONGO_CXX_VERSION}"
MONGO_CXX_TAR="${MONGO_CXX_DIR}.tar.gz"
MONGO_CXX_URL="https://github.com/mongodb/mongo-cxx-driver/releases/download/${MONGO_CXX_VERSION}/${MONGO_CXX_TAR}"
curl -OL ${MONGO_CXX_URL} && tar -xzf ${MONGO_CXX_TAR} && cd ${MONGO_CXX_DIR}/build && cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local -DENABLE_TESTS=off  && cmake --build . && cmake --build . --target install