cmake: Remove warning about CFLAGS environment variable. CMake 3.11.0 respects this environment var. Fixes #4681.
diff --git a/CMakeLists.txt b/CMakeLists.txt
index be81036..f7cc87d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -211,10 +211,6 @@ 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 ""))
- message(WARNING "SDL's CMakeLists.txt no longer checks the CFLAGS environment. Please use CMake's CMAKE_C_FLAGS and CMAKE_BUILD_TYPE variables directly.")
-endif()
-
if(MSVC)
option(FORCE_STATIC_VCRT "Force /MT for static VC runtimes" OFF)
if(FORCE_STATIC_VCRT)