Removed support for gcc-4.8

CMakeLists.txt

@@ -10,16 +10,9 @@ set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 # Check if a supported compiler is used and add c++11/14 flag
 include(CheckCXXCompilerFlag)
 if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
-	if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
-		message(FATAL_ERROR "Need at least gcc 4.8 to compile.")
-	elseif(CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL 4.8 OR (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.8 AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9))
-		# This compiles with a warning at the moment, but support for gcc 4.8.x will be removed in the very near future.
-		check_cxx_compiler_flag(-std=c++11 HAS_CXX11_FLAG)
-		if(HAS_CXX11_FLAG)
-			set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
-		endif()
-		message(WARNING "Support for gcc 4.8 will be removed in the very near future. Please upgrade your compiler.")
-	else() # gcc version is >4.8
+	if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)
+		message(FATAL_ERROR "Need at least gcc 4.9 to compile.")
+	else() # gcc version is >4.9
 		check_cxx_compiler_flag(-std=c++14 HAS_CXX14_FLAG)
 		if(HAS_CXX14_FLAG)
 			set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")

README.md

@@ -26,7 +26,7 @@ At the moment, it mainly provides the following functionality:
 
 ## Usage
 
-* Tested with the following compilers: >=gcc-4.8.4, >=clang-3.5, Visual Studio 2015
+* Tested with the following compilers: >=gcc-4.9, >=clang-3.5, Visual Studio 2015
 * Needed dependencies for the library: Boost system (>=1.50.0), OpenCV core (>=2.4.3)
 
 To use the library in your own project, just add the following directories to your include path: