updatemp3pre

premake/ikpmp3/premake4.lua

@@ -2,4 +2,6 @@ project "ikpMP3"
     kind "StaticLib"
 
     files { "*.cpp", "*.h", "decoder/*.c", "decoder/*.h" }
-    includedirs { "../irrklang/include" }
+    if os.ishost("windows") then
+        includedirs { "../irrklang/include" }
+    end
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