Compilando Falkon 3.0.1 error

He intentado por primera vez compilarun codigo fuente en este caso Falkon browser

He instalado las librerias que hay en trisquel8-64 sin embargo creo q estan desactualizadas

cmake..

me da:

-- The C compiler identification is GNU 5.4.0
-- The CXX compiler identification is GNU 5.4.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
CMake Warning at CMakeLists.txt:9 (find_package):
Could not find a configuration file for package "ECM" that is compatible
with requested version "5.27.0".

The following configuration files were considered but not accepted:

/usr/share/ECM/cmake/ECMConfig.cmake, version: 5.18.0

--
* ECM (required version >= 5.27.0) , Extra CMake Modules. ,

CMake Error at /usr/share/cmake-3.5/Modules/FeatureSummary.cmake:556 (message):
feature_summary() Error: REQUIRED package(s) are missing, aborting CMake
run.
Call Stack (most recent call first):
CMakeLists.txt:11 (feature_summary)

-- Configuring incomplete, errors occurred!
See also "/home/flip/Desktop/Programs/falkon-3.0.1/build/CMakeFiles/CMakeOutput.log".

Como lo soluciono?