diff --git a/SetFlags.cmake b/SetFlags.cmake
index 0e2e0c277..7d845ebb7 100644
--- a/SetFlags.cmake
+++ b/SetFlags.cmake
@@ -223,17 +223,28 @@ macro(set_exe_flags)
 		add_flags_cxx("-ffast-math")
 
 		if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+			if (CLANG_VERSION_STRING VERSION_LESS 3.0)
+				message(FATAL_ERROR "MCServer requires clang version 3.0 or higher")
+			endif()
 			# clang does not provide the __extern_always_inline macro and a part of libm depends on this when using fast-math
 			add_flags_cxx("-D__extern_always_inline=inline")
 			add_flags_cxx("-Werror -Weverything -Wno-c++98-compat-pedantic -Wno-string-conversion")
-			add_flags_cxx("-Wno-error=switch-enum -Wno-documentation -Wno-exit-time-destructors")
+			add_flags_cxx("-Wno-error=switch-enum -Wno-exit-time-destructors")
 			add_flags_cxx("-Wno-error=sign-conversion -Wno-error=conversion -Wno-padded")
 			add_flags_cxx("-Wno-error=deprecated -Wno-error=weak-vtables -Wno-error=float-equal")
 			add_flags_cxx("-Wno-error=missing-prototypes -Wno-error=non-virtual-dtor")
-			add_flags_cxx("-Wno-error=covered-switch-default -Wno-error=shadow -Wno-error=old-style-cast")
-			add_flags_cxx("-Wno-error=exit-time-destructors -Wno-error=missing-variable-declarations")
-			add_flags_cxx("-Wno-error=global-constructors -Wno-implicit-fallthrough")
-			add_flags_cxx("-Wno-error=extra-semi -Wno-weak-vtables -Wno-switch-enum")
+			add_flags_cxx("-Wno-error=shadow -Wno-error=old-style-cast -Wno-error=global-constructors")
+			add_flags_cxx("-Wno-error=exit-time-destructors")
+			add_flags_cxx("-Wno-weak-vtables -Wno-switch-enum")
+			if (CLANG_VERSION_STRING VERSION_MORE 3.0)
+				# flags that are not present in 3.0
+				add_flags_cxx("-Wno-error=covered-switch-default -Wno-error=missing-variable-declarations")
+				add_flags_cxx("-Wno-implicit-fallthrough -Wno-error=extra-semi")
+			endif()
+			if (CLANG_VERSION_STRING VERSION_MORE 3.1)
+				# flags introduced in 3.2
+				add_flags_cxx("-Wno-documentation")
+			endif()
 		endif()
 	endif()