Removes the redundant USE_AUDIO flag (#4158)

cmake/CompileDefinitions.cmake

@@ -11,7 +11,6 @@ endfunction()
 
 if(${CUSTOMIZE_BUILD})
     target_compile_definitions("raylib" PRIVATE EXTERNAL_CONFIG_FLAGS)
-    define_if("raylib" USE_AUDIO)
 
     foreach(FLAG IN LISTS CONFIG_HEADER_FLAGS)
         string(REGEX MATCH "([^=]+)=(.+)" _ ${FLAG})

src/CMakeLists.txt

@@ -29,6 +29,7 @@ set(raylib_public_headers
 
 # Sources to be compiled
 set(raylib_sources
+    raudio.c
     rcore.c
     rmodels.c
     rshapes.c
@@ -47,14 +48,12 @@ endif ()
 # Produces a variable LIBS_PRIVATE that will be used later
 include(LibraryConfigurations)
 
-if (USE_AUDIO)
+if (SUPPORT_MODULE_RAUDIO)
     MESSAGE(STATUS "Audio Backend: miniaudio")
-    list(APPEND raylib_sources raudio.c)
 else ()
-    MESSAGE(STATUS "Audio Backend: None (-DUSE_AUDIO=OFF)")
+    MESSAGE(STATUS "Audio Backend: None (-DCUSTOMIZE_BUILD=ON -DSUPPORT_MODULE_RAUDIO=OFF)")
 endif ()
 
-
 add_library(raylib ${raylib_sources} ${raylib_public_headers})
 
 if (NOT BUILD_SHARED_LIBS)