Followed instructions on 04.07.2018 - got a first error

CMake Error at /usr/share/cmake-3.5/Modules/FindPackageHandleStandardArgs.cmake:148 (message):
Could NOT find snappy (missing: SNAPPY_LIBRARIES SNAPPY_INCLUDE_DIR)
Call Stack (most recent call first):
/usr/share/cmake-3.5/Modules/FindPackageHandleStandardArgs.cmake:388 (_FPHSA_FAILURE_MESSAGE)
libraries/vendor/rocksdb/cmake/modules/Findsnappy.cmake:17 (find_package_handle_standard_args)
libraries/vendor/rocksdb/CMakeLists.txt:66 (find_package)

Error signaled by @timcliff May 20, this year :

Manual build instructions giving error on master: Could not find snappy #2476

Solved with

sudo apt-get install libsnappy-dev

Output (steem cloned today):

--

         CONFIGURED FOR TEST NETWORK

--

         CONFIGURED FOR NO SUPPORT OF SMT

--

         CONFIGURED FOR NO SUPPORT OF STD ALLOCATOR

--

         CONFIGURED FOR LOW MEMORY NODE

-- Configuring done
-- Generating done
-- Build files have been written to: /home/eftg/steem