Back out previous revision, the -traditional flag is now added in the
suffix rule for .pp files (see $FPTOOLS_TOP/mk/suffix.mk).
SRC_CPP_OPTS += -I$(GHC_INCLUDE_DIR)
SRC_CPP_OPTS += ${GhcCppOpts}
-# to avoid complaints about unterminated char constants when processing .pp files.
-SRC_CPP_OPTS += -traditional
ifneq "$(BootingFromHc)" "YES"
prelude/PrimOp.lhs $(odir)/prelude/PrimOp.o: $(PRIMOP_BITS)