fix version / readme

Author: mbaetgen-wup

cmake/gles/README.md

@@ -1,7 +1,7 @@
 # GLES3 Find Script
 
 The OpenGL CMake find script in this directory contains additional code to find GLES versions 1 to 3. It was taken from
-CMake 3.22 and patched accordingly. A merge request is underway upstream, so ideally, this will be part of CMake 3.23+.
+CMake 3.22 and patched accordingly. A merge request was accepted upstream, it is part of CMake 3.27.
 
-In the meantime, we'll use this script as a local copy if GLES3 support is requested. Will add a version check once it's
-in upstream CMake so this file will only be used if the CMake version used to build projectM is too low.
+We use this script for CMake lower than 3.27 as a local copy if GLES3 support is requested to provide compatibility. A version check 
+compares the current CMake version so this file will only be used if the CMake version used to build projectM is too low.

src/libprojectM/projectM4Config.cmake.in

@@ -6,7 +6,7 @@ include(CMakeFindDependencyMacro)
 
 if(NOT "@ENABLE_EMSCRIPTEN@") # ENABLE_EMSCRIPTEN
     if("@ENABLE_GLES@") # ENABLE_GLES
-        if (CMAKE_VERSION VERSION_LESS_EQUAL "3.22" OR CMAKE_SYSTEM_NAME STREQUAL Android)
+        if (CMAKE_VERSION VERSION_LESS_EQUAL "3.26" OR CMAKE_SYSTEM_NAME STREQUAL Android)
           set(PROJECTM4_PREV_MODULE_PATH ${CMAKE_MODULE_PATH})
           list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}")
           find_dependency(OpenGL COMPONENTS GLES3)