sir i have linking errors. the libraries order as shown below. hd415m.lib hm415m.lib kernel32.lib opengl32.lib glu32.lib glaux.lib netapi32.LIB comctl32.LIB lmgr_md.lib esiswfl.lib lm_new.obj jvm.lib user32.lib Advapi32.lib comdlg32.lib vfw32.lib user32.lib libXt-6.dll.a libX11-6.dll.a libXm.a libXm.dll.a vdb.LIB then i got so many errors as shown below vgrpogl.obj : error LNK2001: unresolved external symbol _glXCreateContext vgrpogl.obj : error LNK2001: unresolved external symbol _glXChooseVisual vgrpogl.obj : error LNK2001: unresolved external symbol _glXQueryExtension vgrpogl.obj : error LNK2001: unresolved external symbol _glXSwapBuffers and also i got the below errors libXm.a(Desktop.o) : error LNK2001: unresolved external symbol _XtStrings libXm.a(MessageB.o) : error LNK2001: unresolved external symbol _XtShellStrings libXm.a(RowColumn.o) : error LNK2001: unresolved external symbol __XtInherit then i search about libGLX.a and is not found. any equivalent libraries or dll's avail? please send solution. thanks in advance sai