DPH_DIR = libraries/dph
DPH_WAYS = par seq
DPH_BASE_PACKAGES = dph-base \
		    dph-prim-interface \
		    dph-prim-seq \
		    dph-prim-par
DPH_PACKAGES = $(DPH_BASE_PACKAGES) \
               $(foreach way, $(DPH_WAYS), dph-$(way))

define dph_create

ifneq "$(BINDIST)" "YES"
ifneq "$(CLEANING)" "YES"
$(DPH_DIR)/dph-$1/dph-$1.cabal : $(DPH_DIR)/dph-common/ghc.mk $(DPH_DIR)/dph-common/GNUmakefile $(DPH_DIR)/dph-common/dph-common.cabal
	$$(RM) $$(RM_OPTS_REC) $(DPH_DIR)/dph-$1 $(DPH_DIR)/dph-$1.tmp
	mkdir $(DPH_DIR)/dph-$1.tmp
	cp $(DPH_DIR)/dph-common/Setup.hs $(DPH_DIR)/dph-$1.tmp/Setup.hs
	cp $(DPH_DIR)/dph-common/LICENSE $(DPH_DIR)/dph-$1.tmp/LICENSE
	sed "s/DPHWAY/$1/g" $(DPH_DIR)/dph-common/dph-common.cabal > $(DPH_DIR)/dph-$1.tmp/dph-$1.cabal
	sed "s/common/$1/g" $(DPH_DIR)/dph-common/ghc.mk > $(DPH_DIR)/dph-$1.tmp/ghc.mk
	sed "s/common/$1/g" $(DPH_DIR)/dph-common/GNUmakefile > $(DPH_DIR)/dph-$1.tmp/GNUmakefile
	mv $(DPH_DIR)/dph-$1.tmp $(DPH_DIR)/dph-$1

$(DPH_DIR)/dph-$1/ghc.mk : $(DPH_DIR)/dph-$1/dph-$1.cabal
$(DPH_DIR)/dph-$1/GNUmakefile : $(DPH_DIR)/dph-$1/dph-$1.cabal
endif
endif

endef

$(foreach way, $(DPH_WAYS), $(eval $(call dph_create,$(way))))

.PHONY: all_$(DPH_DIR)
all_$(DPH_DIR) : $(foreach pkg, $(DPH_PACKAGES), all_$(DPH_DIR)/$(pkg))

clean : clean_$(DPH_DIR)
.PHONY: clean_$(DPH_DIR)
clean_$(DPH_DIR) : $(foreach pkg, $(DPH_BASE_PACKAGES), clean_$(DPH_DIR)/$(pkg))
	$(RM) $(RM_OPTS_REC) $(foreach way, $(DPH_WAYS), $(DPH_DIR)/dph-$(way))

distclean : clean_$(DPH_DIR)

define dph_package
ifneq "$(CLEANING)" "YES"
.PHONY: $(DPH_DIR)/$1
$(DPH_DIR)/$1 : all_$(DPH_DIR)/$1
endif
endef

$(foreach pkg, $(DPH_PACKAGES), $(eval $(call dph_package,$(pkg))))

# When compiling modules that use TH.Repr, we will try to run some TH,
# which means using the vanilla TH.Repr object files. If we are not
# building in the vanilla way then we need to be sure that the vanilla
# object files exist. These deps take care of that for us.
#
# We also need to make sure that the HSdph-prim-seq/par .o library
# exists, so that GHC can load it.  The other libs already exist, because
# we are building with stage 2 which is linked against them.
#
define dph_th_deps
# $1 = way  $2 = par/seq
ifneq "$1" "v"
libraries/dph/dph-$2/dist-install/build/Data/Array/Parallel/Lifted/TH/Repr.$$($1_osuf): libraries/dph/dph-$2/dist-install/build/Data/Array/Parallel/Lifted/TH/Repr.o
libraries/dph/dph-$2/dist-install/build/Data/Array/Parallel/Lifted/PArray.$${$1_osuf} : libraries/dph/dph-$2/dist-install/build/Data/Array/Parallel/Lifted/PArray.$${v_osuf}
endif

libraries/dph/dph-$2/dist-install/build/Data/Array/Parallel/Lifted/TH/Repr.$$($1_osuf): $$(libraries/dph/dph-prim-$2_dist-install_GHCI_LIB)
libraries/dph/dph-$2/dist-install/build/Data/Array/Parallel/Lifted/PArray.$${$1_osuf} : $$(libraries/dph/dph-prim-$2_dist-install_GHCI_LIB)
endef

ifneq "$(CLEANING)" "YES"
$(foreach way, $(GhcLibWays), $(eval $(call dph_th_deps,$(way),seq)))
$(foreach way, $(GhcLibWays), $(eval $(call dph_th_deps,$(way),par)))
endif