diff -up ags-3.6.2.12/CMake/FindLocalOpenAL.cmake.orig ags-3.6.2.12/CMake/FindLocalOpenAL.cmake
--- ags-3.6.2.12/CMake/FindLocalOpenAL.cmake.orig	2025-07-18 23:24:38.000000000 +0200
+++ ags-3.6.2.12/CMake/FindLocalOpenAL.cmake	2025-07-19 14:03:42.772659440 +0200
@@ -1,6 +1,6 @@
 # Grab system openAL or use embedded mojoAL
 
-if(WIN32 OR LINUX OR MACOS OR FREEBSD)
+if(WIN32 OR MACOS OR FREEBSD)
     set(AGS_USE_MOJO_AL TRUE)
 endif()
 
diff -up ags-3.6.2.12/CMakeLists.txt.orig ags-3.6.2.12/CMakeLists.txt
--- ags-3.6.2.12/CMakeLists.txt.orig	2025-07-18 23:24:38.000000000 +0200
+++ ags-3.6.2.12/CMakeLists.txt	2025-07-19 14:04:25.748967837 +0200
@@ -313,9 +313,21 @@ endif()
 include(FindLocalOpenAL)
 include(FindLocalAllegro)
 
+if (NOT AGS_USE_SYSTEM_GLM)
 add_subdirectory(libsrc/glm                     EXCLUDE_FROM_ALL)
+else()
+    find_package(glm REQUIRED)
+endif()
+if (NOT AGS_USE_SYSTEM_TINYXML2)
 add_subdirectory(libsrc/tinyxml2                EXCLUDE_FROM_ALL)
+else()
+    find_package(tinyxml2 REQUIRED)
+endif()
+if (NOT AGS_USE_SYSTEM_MINIZ)
 add_subdirectory(libsrc/miniz                   EXCLUDE_FROM_ALL)
+else()
+    include(FindMiniz)
+endif()
 
 add_subdirectory(Common/libsrc/aastr-0.1.1      EXCLUDE_FROM_ALL)