nuke GHC_DEBUG_HILEV_ASM and GHC_GCC_IS_AVAILABLE - never used.
#-----------------------------------------------------------------------------
# Stuff for the C-compiling phase in particular...
-# NON-OPTIMISING C COMPILATION: =================================
-
-ifeq ($(HaveGcc), YES)
-GHC_DEBUG_HILEV_ASM = $(WhatGccIsCalled)
-else
-GHC_DEBUG_HILEV_ASM = $(CC)
-endif
-
-# OPTIMISING C COMPILATION (regs, etc): ==========================
-
ifeq ($(HaveGcc), YES)
GHC_OPT_HILEV_ASM = $(WhatGccIsCalled)
-GHC_GCC_IS_AVAILABLE = 1
else
GHC_OPT_HILEV_ASM = $(CC)
-GHC_GCC_IS_AVAILABLE = 0
endif