diff --git a/CMakeLists.txt b/CMakeLists.txt
index bbb282959..06721edc1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ if(${CMAKE_CURRENT_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_BINARY_DIR})
   message(FATAL_ERROR "Prevented in-tree build. Please create a build directory outside of the SDL source code and run \"cmake -S ${CMAKE_SOURCE_DIR} -B .\" from there")
 endif()
 
-cmake_minimum_required(VERSION 3.11.0)
+cmake_minimum_required(VERSION 3.0.0)
 project(SDL2 C CXX)
 
 if (HAIKU)
@@ -18,6 +18,7 @@ endif()
 add_library(sdl-build-options INTERFACE)
 
 if(WINDOWS_STORE)
+  cmake_minimum_required(VERSION 3.11.0)
   target_compile_definitions(sdl-build-options INTERFACE "-DSDL_BUILDING_WINRT=1")
   target_compile_options(sdl-build-options INTERFACE "-ZW")
 endif()
@@ -225,6 +226,14 @@ if(UNIX OR MINGW OR MSYS OR (USE_CLANG AND NOT WINDOWS) OR VITA)
   set(OPT_DEF_LIBC ON)
 endif()
 
+if(NOT ("$ENV{CFLAGS}" STREQUAL ""))
+  if(CMAKE_VERSION VERSION_LESS 3.11.0)
+     message(WARNING "SDL's CMakeLists.txt no longer checks the CFLAGS environment.")
+     message(WARNING "Please use CMake's CMAKE_C_FLAGS and CMAKE_BUILD_TYPE variables directly.")
+     message(WARNING "Or upgrade to CMake >= 3.11.0, which respects the CFLAGS environment var.")
+  endif()
+endif()
+
 if(MSVC)
   option(SDL_FORCE_STATIC_VCRT "Force /MT for static VC runtimes" OFF)
   if(SDL_FORCE_STATIC_VCRT)