cleanup cmake / force >= wxWidgets 3.0

CMakeLists.txt

@@ -24,14 +24,10 @@ endif()
 # check for minimal gcc version
 set(MIN_GCC_VER "4.7")
 if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
-	if(NOT ${CMAKE_CXX_COMPILER_VERSION} STREQUAL "")
-		if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "${MIN_GCC_VER}")
-			message(FATAL_ERROR "gcc >=${MIN_GCC_VER} required")
-		else()
-			message(STATUS "gcc ${CMAKE_CXX_COMPILER_VERSION} detected")
-		endif()
+	if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "${MIN_GCC_VER}")
+		message(FATAL_ERROR "gcc >=${MIN_GCC_VER} required")
 	else()
-		message(WARNING "cmake version <2.8.10 found, couldn't check for gcc ${MIN_GCC_VER}")
+		message(STATUS "gcc ${CMAKE_CXX_COMPILER_VERSION} detected")
 	endif()
 endif()
 

src/CMakeLists.txt

@@ -56,7 +56,7 @@ execute_process(COMMAND ${wxWidgets_CONFIG_EXECUTABLE} "--version-full"
 	OUTPUT_VARIABLE WX_VERSION
 	OUTPUT_STRIP_TRAILING_WHITESPACE)
 
-set(WX_VERSION_MIN "2.9")
+set(WX_VERSION_MIN "3.0")
 if("${WX_VERSION}" VERSION_LESS "${WX_VERSION_MIN}")
 	set(WX_VERSION_DEFAULT "${WX_VERSION}")
 	# Append version selector to find the right one in a multi-slot install if the default is lower than required.