Como solucionar CMake "Could not find a package configuration file provided by "Qt5Core" en Ubuntu?

Problema:

Al intentar configure tu project usando p. ej.

cmake_configure.sh

cmake .

cmake .

ves los siguientes mensajes de error:

cmake_find_qt_error.txt

CMake Warning at CMakeLists.txt:120 (find_package):
  By not providing "FindQt5Core.cmake" in CMAKE_MODULE_PATH this project has
  asked CMake to find a package configuration file provided by "Qt5Core", but
  CMake did not find one.

  Could not find a package configuration file provided by "Qt5Core" with any
  of the following names:

    Qt5CoreConfig.cmake
    qt5core-config.cmake

  Add the installation prefix of "Qt5Core" to CMAKE_PREFIX_PATH or set
  "Qt5Core_DIR" to a directory containing one of the above files.  If
  "Qt5Core" provides a separate development package or SDK, be sure it has
  been installed.

CMake Warning at CMakeLists.txt:120 (find_package):
  By not providing "FindQt5Core.cmake" in CMAKE_MODULE_PATH this project has
  asked CMake to find a package configuration file provided by "Qt5Core", but
  CMake did not find one.

  Could not find a package configuration file provided by "Qt5Core" with any
  of the following names:

    Qt5CoreConfig.cmake
    qt5core-config.cmake

  Add the installation prefix of "Qt5Core" to CMAKE_PREFIX_PATH or set
  "Qt5Core_DIR" to a directory containing one of the above files.  If
  "Qt5Core" provides a separate development package or SDK, be sure it has
  been installed.

Solucion

Install qtbase5-dev:

install_qtbase.sh

sudo apt -y install qtbase5-dev

sudo apt -y install qtbase5-dev