Update Travis CI and bump CMake

.travis.yml

@@ -1,3 +1,5 @@
+sudo: required
+dist: trusty
 language: c
 notifications:
  irc:
@@ -25,9 +27,12 @@ compiler:
 before_install:
  # We need this PPA for a recent version of libedit
  - sudo add-apt-repository ppa:ondrej/php5-5.6 -y
+ # We need this PPA for Lua 5.3
+ - sudo add-apt-repository ppa:vbernat/haproxy-1.6 -y
  - sudo apt-get update -qq
 install:
- - sudo apt-get install -y help2man libedit-dev expect
+ - sudo apt-get install -y libncursesw5-dev libreadline-dev libedit-dev
+   liblua5.3-dev help2man expect
 before_script:
  - mkdir build
  - cd build

CMakeLists.txt

@@ -1,5 +1,5 @@
 project (uirc3 C)
-cmake_minimum_required (VERSION 2.8.5)
+cmake_minimum_required (VERSION 2.8.11)
 
 # Options
 option (WANT_READLINE "Use GNU Readline for the UI (better)" ON)
@@ -127,12 +127,6 @@ function (make_tests_for target_name)
 	get_target_property (sources   ${target_name} SOURCES)
 	get_target_property (libraries ${target_name} LINK_LIBRARIES)
 
-	# Unfortunately the property is a 2.8.11 feature however we need to
-	# support at least 2.8.7 for now because of Travis CI
-	if (NOT libraries)
-		set (libraries ${project_libraries})
-	endif (NOT libraries)
-
 	set (test test-${target_name})
 	add_executable (${test} ${sources})
 	target_link_libraries (${test} ${libraries})