--- IrrCompileConfig.h.orig	2011-07-26 22:02:46.000000000 +0200
+++ IrrCompileConfig.h	2011-07-26 22:08:43.000000000 +0200
@@ -244,10 +244,7 @@
 //! Define _IRR_USE_NON_SYSTEM_JPEG_LIB_ to let irrlicht use the jpeglib which comes with irrlicht.
 /** If this is commented out, Irrlicht will try to compile using the jpeg lib installed in the system.
 	This is only used when _IRR_COMPILE_WITH_LIBJPEG_ is defined. */
-#define _IRR_USE_NON_SYSTEM_JPEG_LIB_
-#ifdef NO_IRR_USE_NON_SYSTEM_JPEG_LIB_
 #undef _IRR_USE_NON_SYSTEM_JPEG_LIB_
-#endif
 
 //! Define _IRR_COMPILE_WITH_LIBPNG_ to enable compiling the engine using libpng.
 /** This enables the engine to read png images. If you comment this out,
@@ -260,10 +257,7 @@
 //! Define _IRR_USE_NON_SYSTEM_LIBPNG_ to let irrlicht use the libpng which comes with irrlicht.
 /** If this is commented out, Irrlicht will try to compile using the libpng installed in the system.
 	This is only used when _IRR_COMPILE_WITH_LIBPNG_ is defined. */
-#define _IRR_USE_NON_SYSTEM_LIB_PNG_
-#ifdef NO_IRR_USE_NON_SYSTEM_LIB_PNG_
 #undef _IRR_USE_NON_SYSTEM_LIB_PNG_
-#endif
 
 //! Define _IRR_D3D_NO_SHADER_DEBUGGING to disable shader debugging in D3D9
 /** If _IRR_D3D_NO_SHADER_DEBUGGING is undefined in IrrCompileConfig.h,
@@ -581,17 +575,11 @@
 disable this feature, the engine can still read archives, but only uncompressed
 ones. */
 #define _IRR_COMPILE_WITH_ZLIB_
-#ifdef NO_IRR_COMPILE_WITH_ZLIB_
-#undef _IRR_COMPILE_WITH_ZLIB_
-#endif
 //! Define _IRR_USE_NON_SYSTEM_ZLIB_ to let irrlicht use the zlib which comes with irrlicht.
 /** If this is commented out, Irrlicht will try to compile using the zlib
 installed on the system. This is only used when _IRR_COMPILE_WITH_ZLIB_ is
 defined. */
-#define _IRR_USE_NON_SYSTEM_ZLIB_
-#ifdef NO_IRR_USE_NON_SYSTEM_ZLIB_
 #undef _IRR_USE_NON_SYSTEM_ZLIB_
-#endif
 //! Define _IRR_COMPILE_WITH_ZIP_ENCRYPTION_ if you want to read AES-encrypted ZIP archives
 #define _IRR_COMPILE_WITH_ZIP_ENCRYPTION_
 #ifdef NO_IRR_COMPILE_WITH_ZIP_ENCRYPTION_
@@ -609,18 +597,12 @@
 /** If this is commented out, Irrlicht will try to compile using the bzlib
 installed on the system. This is only used when _IRR_COMPILE_WITH_BZLIB_ is
 defined. */
-#define _IRR_USE_NON_SYSTEM_BZLIB_
-#ifdef NO_IRR_USE_NON_SYSTEM_BZLIB_
 #undef _IRR_USE_NON_SYSTEM_BZLIB_
-#endif
 //! Define _IRR_COMPILE_WITH_LZMA_ if you want to use LZMA compressed zip files.
 /** LZMA is a very efficient compression code, known from 7zip. Irrlicht
 currently only supports zip archives, though. */
-#define _IRR_COMPILE_WITH_LZMA_
-#ifdef NO_IRR_COMPILE_WITH_LZMA_
 #undef _IRR_COMPILE_WITH_LZMA_
 #endif
-#endif
 
 //! Define __IRR_COMPILE_WITH_MOUNT_ARCHIVE_LOADER_ if you want to mount folders as archives
 #define __IRR_COMPILE_WITH_MOUNT_ARCHIVE_LOADER_