diff -up irrlicht-1.8/include/IrrCompileConfig.h.optflags irrlicht-1.8/include/IrrCompileConfig.h

--- irrlicht-1.8/include/IrrCompileConfig.h.optflags	2012-11-05 15:14:14.000000000 -0500

+++ irrlicht-1.8/include/IrrCompileConfig.h	2012-11-13 12:45:47.316780394 -0500

@@ -245,7 +245,7 @@ the engine will no longer read .jpeg ima

 //! 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_

+// #define _IRR_USE_NON_SYSTEM_JPEG_LIB_

 #ifdef NO_IRR_USE_NON_SYSTEM_JPEG_LIB_

 #undef _IRR_USE_NON_SYSTEM_JPEG_LIB_

 #endif

@@ -261,7 +261,7 @@ the engine will no longer read .png imag

 //! 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_

+// #define _IRR_USE_NON_SYSTEM_LIB_PNG_

 #ifdef NO_IRR_USE_NON_SYSTEM_LIB_PNG_

 #undef _IRR_USE_NON_SYSTEM_LIB_PNG_

 #endif

@@ -598,7 +598,7 @@ ones. */

 /** 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_

+// #define _IRR_USE_NON_SYSTEM_ZLIB_

 #ifdef NO_IRR_USE_NON_SYSTEM_ZLIB_

 #undef _IRR_USE_NON_SYSTEM_ZLIB_

 #endif

@@ -619,7 +619,7 @@ library. */

 /** 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_

+// #define _IRR_USE_NON_SYSTEM_BZLIB_

 #ifdef NO_IRR_USE_NON_SYSTEM_BZLIB_

 #undef _IRR_USE_NON_SYSTEM_BZLIB_

 #endif

diff -up irrlicht-1.8/source/Irrlicht/Makefile.optflags irrlicht-1.8/source/Irrlicht/Makefile

--- irrlicht-1.8/source/Irrlicht/Makefile.optflags	2012-11-05 15:14:12.000000000 -0500

+++ irrlicht-1.8/source/Irrlicht/Makefile	2012-11-13 12:46:35.660811963 -0500

@@ -56,18 +56,17 @@ BZIP2OBJ = bzip2/blocksort.o bzip2/huffm

 EXTRAOBJ =

 LINKOBJ = $(IRRMESHOBJ) $(IRROBJ) $(IRRPARTICLEOBJ) $(IRRANIMOBJ) \

 	$(IRRVIDEOOBJ) $(IRRSWRENDEROBJ) $(IRRIOOBJ) $(IRROTHEROBJ) \

-	$(IRRGUIOBJ) $(ZLIBOBJ) $(JPEGLIBOBJ) $(LIBPNGOBJ) $(LIBAESGM) \

-	$(BZIP2OBJ) $(EXTRAOBJ)

+        $(IRRGUIOBJ) $(EXTRAOBJ)

 ###############

 #Compiler flags

-CXXINCS = -I../../include -Izlib -Ijpeglib -Ilibpng

-CPPFLAGS += $(CXXINCS) -DIRRLICHT_EXPORTS=1

-CXXFLAGS += -Wall -pipe -fno-exceptions -fno-rtti -fstrict-aliasing

+CXXINCS = -I../../include `libpng-config --cflags`

+CPPFLAGS += $(CXXINCS) -DIRRLICHT_EXPORTS=1 $(RPM_OPT_FLAGS)

+CXXFLAGS += $(RPM_OPT_FLAGS) -Wall -pipe -fno-exceptions -fno-rtti -fstrict-aliasing

 ifndef NDEBUG

 CXXFLAGS += -g -D_DEBUG

 else

-CXXFLAGS += -fexpensive-optimizations -O3

+CXXFLAGS += -fexpensive-optimizations -O3 $(RPM_OPT_FLAGS)

 endif

 ifdef PROFILE

 CXXFLAGS += -pg

@@ -88,7 +87,7 @@ STATIC_LIB = libIrrlicht.a

 LIB_PATH = ../../lib/$(SYSTEM)

 INSTALL_DIR = /usr/local/lib

 sharedlib install: SHARED_LIB = libIrrlicht.so

-sharedlib: LDFLAGS += -L/usr/X11R6/lib$(LIBSELECT) -lGL -lXxf86vm

+sharedlib: LDFLAGS += -L/usr/X11R6/lib$(LIBSELECT) -lGL -lXxf86vm -lz -ljpeg `libpng-config --libs` -lbz2 -laesgm

 staticlib sharedlib: CXXINCS += -I/usr/X11R6/include

 #OSX specific options