title: Cmake can not find ZLIB on Ubuntu 20.04
body: <p>I am running Ubuntu 20.04 on Windows Subsystem for linux. Cmake is version 3.16.3.
  I am trying to build a project with a zlib dependency, and I get the following error...</p>
  
  <pre><code> Could NOT find ZLIB (missing: ZLIB_LIBRARY) (found version "1.2.11")
  Call Stack (most recent call first):
    /usr/share/cmake-3.16/Modules/FindPackageHandleStandardArgs.cmake:393 (_FPHSA_FAILURE_MESSAGE)
    /usr/share/cmake-3.16/Modules/FindZLIB.cmake:115 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
    CMakeLists.txt:1224 (find_package)
  </code></pre>
  
  <p>The line of code referenced in the error is as follows...</p>
  
  <pre><code>find_package(ZLIB REQUIRED)
  </code></pre>
  
  <p>package zlib1g is installed. How can I rectify this?</p>