Reason: DPH uses Template Haskell and TH doesn't work
in a profiled compiler
$(foreach pkg,$(EXTRA_PACKAGES),$(eval $(call addPackage,$(pkg))))
ifneq "$(BootingFromHc)" "YES"
+
+ifneq "$(GhcProfiled)" "YES"
+# DPH uses Template Haskell, and Template Haskell doesn't work
+# with a profiled compiler. So if stage-2 is profile, don't build DPH
PACKAGES_STAGE2 += \
dph/dph-base \
dph/dph-prim-interface \
dph/dph-seq \
dph/dph-par
endif
+endif
# We assume that the stage0 compiler has a suitable bytestring package,
# so we don't have to include it below.