diff --git a/CMakeLists.txt b/CMakeLists.txt
index bcf598406..1f01702e9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -108,14 +108,14 @@ endif()
 if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
     message("-- Compiler is Clang/LLVM")
     execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE CLANG_VERSION)
-    if(CLANG_VERSION VERSION_LESS 4.2.1)
-        message(SEND_ERROR "You need at least Clang 4.2.1 to compile EmulationStation-DE")
+    if(CLANG_VERSION VERSION_LESS 5.0.0)
+        message(SEND_ERROR "You need at least Clang 5.0.0 to compile EmulationStation-DE")
     endif()
 elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
     message("-- Compiler is GNU/GCC")
     execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpfullversion OUTPUT_VARIABLE G++_VERSION)
-    if(G++_VERSION VERSION_LESS 5.4)
-        message(SEND_ERROR "You need at least GCC 5.4 to compile EmulationStation-DE")
+    if(G++_VERSION VERSION_LESS 7.1)
+        message(SEND_ERROR "You need at least GCC 7.1 to compile EmulationStation-DE")
     endif()
     if(WIN32)
         set(CMAKE_CXX_FLAGS "-mwindows ${CMAKE_CXX_FLAGS}")
@@ -136,7 +136,7 @@ if(CMAKE_BUILD_TYPE MATCHES Debug)
     if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /std:c++17 /Od /DEBUG:FULL")
     else()
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17 -O0")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17 -O0 -Wall -Wpedantic -Wsign-compare -Wnarrowing -Wmissing-field-initializers")
         set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -O0")
     endif()
     # If using Clang, then add additional debug data needed by GDB.
@@ -151,7 +151,7 @@ elseif(CMAKE_BUILD_TYPE MATCHES Profiling)
     if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /std:c++17 /O2 /DEBUG:FULL")
     else()
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17 -O2 -pg -g")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17 -O2 -pg -g -Wall -Wpedantic -Wsign-compare -Wnarrowing -Wmissing-field-initializers")
         set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -O2 -pg")
     endif()
 else()
@@ -160,7 +160,7 @@ else()
     if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DNDEBUG /std:c++17 /O2 /DEBUG:NONE")
     else()
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17 -O2 -DNDEBUG")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17 -O2 -DNDEBUG -Wall -Wpedantic -Wsign-compare -Wnarrowing -Wmissing-field-initializers")
         if(APPLE)
             set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -O2")
         else()