ia64.h (EXTRA_SPECS): Remove cpp_cpu.
* config/ia64/ia64.h (EXTRA_SPECS): Remove cpp_cpu.
(CPP_CPU_SPEC): Remove.
(TARGET_CPU_CPP_BUILTINS): New.
* config/ia64/hpux.h (CPP_PREDEFINES): Remove.
(CPP_SPEC): Remove.
(TARGET_OS_CPP_BUILTINS): New.
* config/ia64/linux.h (CPP_PREDEFINES): Remove.
(TARGET_OS_CPP_BUILTINS): New.
* config/ia64/aix.h (CPP_SPEC): Move some stuff to
TARGET_OS_CPP_BUILTINS.
(CPP_PREDEFINES): Remove.
(CPLUSPLUS_CPP_SPEC): Remove.
(TARGET_OS_CPP_BUILTINS): New.
From-SVN: r56771