The following error appears:
CMake Error at CMakeLists.txt:13 (find_package):
Could not find a package configuration file provided by "ECM" (requested
version 5.246.0) with any of the following names:
ECMConfig.cmake
ecm-config.cmake
Add the installation prefix of "ECM" to CMAKE_PREFIX_PATH or set "ECM_DIR"
to a directory containing one of the above files. If "ECM" provides a
separate development package or SDK, be sure it has been installed.
The following error appears: CMake Error at CMakeLists.txt:13 (find_package): Could not find a package configuration file provided by "ECM" (requested version 5.246.0) with any of the following names:
Add the installation prefix of "ECM" to CMAKE_PREFIX_PATH or set "ECM_DIR" to a directory containing one of the above files. If "ECM" provides a separate development package or SDK, be sure it has been installed.
I'm on Arch Linux.