irrlicht-1.8.1-gentoo.patch

--- source/Irrlicht/Makefile
+++ source/Irrlicht/Makefile
@@ -46,11 +46,7 @@
 IRRIOOBJ = CFileList.o CFileSystem.o CLimitReadFile.o CMemoryFile.o CReadFile.o CWriteFile.o CXMLReader.o CXMLWriter.o CWADReader.o CZipReader.o CPakReader.o CNPKReader.o CTarReader.o CMountPointReader.o irrXML.o CAttributes.o lzma/LzmaDec.o
 IRROTHEROBJ = CIrrDeviceSDL.o CIrrDeviceLinux.o CIrrDeviceConsole.o CIrrDeviceStub.o CIrrDeviceWin32.o CIrrDeviceFB.o CLogger.o COSOperator.o Irrlicht.o os.o
 IRRGUIOBJ = CGUIButton.o CGUICheckBox.o CGUIComboBox.o CGUIContextMenu.o CGUIEditBox.o CGUIEnvironment.o CGUIFileOpenDialog.o CGUIFont.o CGUIImage.o CGUIInOutFader.o CGUIListBox.o CGUIMenu.o CGUIMeshViewer.o CGUIMessageBox.o CGUIModalScreen.o CGUIScrollBar.o CGUISpinBox.o CGUISkin.o CGUIStaticText.o CGUITabControl.o CGUITable.o CGUIToolBar.o CGUIWindow.o CGUIColorSelectDialog.o CDefaultGUIElementFactory.o CGUISpriteBank.o CGUIImageList.o CGUITreeView.o
-ZLIBOBJ = zlib/adler32.o zlib/compress.o zlib/crc32.o zlib/deflate.o zlib/inffast.o zlib/inflate.o zlib/inftrees.o zlib/trees.o zlib/uncompr.o zlib/zutil.o
-JPEGLIBOBJ = jpeglib/jcapimin.o jpeglib/jcapistd.o jpeglib/jccoefct.o jpeglib/jccolor.o jpeglib/jcdctmgr.o jpeglib/jchuff.o jpeglib/jcinit.o jpeglib/jcmainct.o jpeglib/jcmarker.o jpeglib/jcmaster.o jpeglib/jcomapi.o jpeglib/jcparam.o jpeglib/jcprepct.o jpeglib/jcsample.o jpeglib/jctrans.o jpeglib/jdapimin.o jpeglib/jdapistd.o jpeglib/jdatadst.o jpeglib/jdatasrc.o jpeglib/jdcoefct.o jpeglib/jdcolor.o jpeglib/jddctmgr.o jpeglib/jdhuff.o jpeglib/jdinput.o jpeglib/jdmainct.o jpeglib/jdmarker.o jpeglib/jdmaster.o jpeglib/jdmerge.o jpeglib/jdpostct.o jpeglib/jdsample.o jpeglib/jdtrans.o jpeglib/jerror.o jpeglib/jfdctflt.o jpeglib/jfdctfst.o jpeglib/jfdctint.o jpeglib/jidctflt.o jpeglib/jidctfst.o jpeglib/jidctint.o jpeglib/jmemmgr.o jpeglib/jmemnobs.o jpeglib/jquant1.o jpeglib/jquant2.o jpeglib/jutils.o jpeglib/jcarith.o jpeglib/jdarith.o jpeglib/jaricom.o
-LIBPNGOBJ = libpng/png.o libpng/pngerror.o libpng/pngget.o libpng/pngmem.o libpng/pngpread.o libpng/pngread.o libpng/pngrio.o libpng/pngrtran.o libpng/pngrutil.o libpng/pngset.o libpng/pngtrans.o libpng/pngwio.o libpng/pngwrite.o libpng/pngwtran.o libpng/pngwutil.o
 LIBAESGM = aesGladman/aescrypt.o aesGladman/aeskey.o aesGladman/aestab.o aesGladman/fileenc.o aesGladman/hmac.o aesGladman/prng.o aesGladman/pwd2key.o aesGladman/sha1.o aesGladman/sha2.o
-BZIP2OBJ = bzip2/blocksort.o bzip2/huffman.o bzip2/crctable.o bzip2/randtable.o bzip2/bzcompress.o bzip2/decompress.o bzip2/bzlib.o
 
 # Next variable is for additional scene nodes etc. of customized Irrlicht versions
 EXTRAOBJ =
@@ -61,18 +57,16 @@
 
 ###############
 #Compiler flags
-CXXINCS = -I../../include -Izlib -Ijpeglib -Ilibpng
+CXXINCS = -I../../include
 CPPFLAGS += $(CXXINCS) -DIRRLICHT_EXPORTS=1
-CXXFLAGS += -Wall -pipe -fno-exceptions -fno-rtti -fstrict-aliasing
+CXXFLAGS += -Wall -fno-exceptions -fno-rtti
 ifndef NDEBUG
-CXXFLAGS += -g -D_DEBUG
-else
-CXXFLAGS += -fexpensive-optimizations -O3
+CXXFLAGS += -D_DEBUG
 endif
 ifdef PROFILE
 CXXFLAGS += -pg
 endif
-CFLAGS := -O3 -fexpensive-optimizations -DPNG_THREAD_UNSAFE_OK -DPNG_NO_MMX_CODE -DPNG_NO_MNG_FEATURES
+CFLAGS += -DPNG_THREAD_UNSAFE_OK -DPNG_NO_MMX_CODE -DPNG_NO_MNG_FEATURES
 
 sharedlib sharedlib_osx: CXXFLAGS += -fPIC
 sharedlib sharedlib_osx: CFLAGS += -fPIC
@@ -88,7 +82,7 @@
 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 -ljpeg -lpng -lbz2 -lz
 staticlib sharedlib: CXXINCS += -I/usr/X11R6/include
 
 #OSX specific options