$(UseStage1) modifies $(HC) rather than $(GHC)
echo "main = do args <- getArgs; rawSystem \"$(TOP_ABS)/$(GHC_PKG_DIR_REL)/$(HS_PROG)\" (\"--global-conf\":\"$(TOP_ABS)/driver/package.conf.inplace\":args) >>= exitWith" >> $@
$(INPLACE_PROG): $(INPLACE_HS)
echo "main = do args <- getArgs; rawSystem \"$(TOP_ABS)/$(GHC_PKG_DIR_REL)/$(HS_PROG)\" (\"--global-conf\":\"$(TOP_ABS)/driver/package.conf.inplace\":args) >>= exitWith" >> $@
$(INPLACE_PROG): $(INPLACE_HS)
echo "main = do args <- getArgs; rawSystem \"$(TOP_ABS)/$(GHC_HSC2HS_DIR_REL)/$(HS_PROG)\" (\"--template=$(TOP_ABS)/$(GHC_HSC2HS_DIR_REL)/template-hsc.h\":\"--cc=$(CC)\":\"--ld=$(CC)\"$(patsubst %,:\"%\",$(extra_flags)):\"--cflag=-D__GLASGOW_HASKELL__=$(ProjectVersionInt)\":\"-I$(TOP_ABS)/$(GHC_INCLUDE_DIR_REL)\":\"-I$(TOP_ABS)/gmp/gmpbuild\":args) >>= exitWith" >> $@
$(INPLACE_PROG): $(INPLACE_HS)
echo "main = do args <- getArgs; rawSystem \"$(TOP_ABS)/$(GHC_HSC2HS_DIR_REL)/$(HS_PROG)\" (\"--template=$(TOP_ABS)/$(GHC_HSC2HS_DIR_REL)/template-hsc.h\":\"--cc=$(CC)\":\"--ld=$(CC)\"$(patsubst %,:\"%\",$(extra_flags)):\"--cflag=-D__GLASGOW_HASKELL__=$(ProjectVersionInt)\":\"-I$(TOP_ABS)/$(GHC_INCLUDE_DIR_REL)\":\"-I$(TOP_ABS)/gmp/gmpbuild\":args) >>= exitWith" >> $@
$(INPLACE_PROG): $(INPLACE_HS)