"Sivaprasad.pv" <sivaprasad.pv@xxxxxxxxxxxxxxxxxx> writes: > I want to upgrade our gcc cross compiler from gcc-3.3 to gcc-4.2. > I have made direct attempt but I got following error messages . > > error: attempt to use poisoned "TARGET_SWITCHES" > error: attempt to use poisoned "DEFAULT_SHORT_ENUMS" > error: attempt to use poisoned "SMALL_STACK" > error: attempt to use poisoned "FUNCTION_ARG_PASS_BY_REFERENCE" > error: attempt to use poisoned "MUST_PASS_IN_STACK" > error: attempt to use poisoned "FUNCTION_ARG_PARTIAL_NREGS" > error: attempt to use poisoned "EXPAND_BUILTIN_VA_ARG" > error: attempt to use poisoned "TARGET_MEM_FUNCTIONS" > error: attempt to use poisoned "CONST_COSTS" > error: attempt to use poisoned "RTX_COSTS" > error: attempt to use poisoned "ADDRESS_COST" > error: attempt to use poisoned "PROMOTE_PROTOTYPES" > error: attempt to use poisoned "INIT_TARGET_OPTABS" > > I think all these macro's are deprecated in gcc-4.2. > Can any body suggest me how to find an equivalent macro's in gcc.4.2. > Is there any specific documents available to upgrade from gcc-3.3 to > gcc-4.2 ? There is no specific document. Read the gcc 4.2 internals manual. Most of the ones you mention have changed from target macros to target hooks. Ian
