Commit 7720e150 authored by Ian Lynagh's avatar Ian Lynagh
Browse files

Don't rebuild dependency files unnecessarily when doing "make 1" etc

parent 18d222d7
......@@ -67,6 +67,12 @@ endif # $1_$2_NO_BUILD_DEPS
$$($1_$2_depfile_haskell) : $$(UNLIT)
ifneq "$$(NO_INCLUDE_DEPS)" "YES"
# This next test stops us rebuilding all the dep files when doing e.g.
# "make 1" in compiler or ghc. If stage is blank (just building normally.
# so we want all deps), or if $3 is stage-1 (when building stage n, we
# use stage n-1, so we want any dependencies used by the stage n-1
# compiler), then we want to include the dependencies.
ifneq "$$(or $$(if $$(stage),,YES),$$(findstring $3,$$(word $$(stage),0 1 2 3)))" ""
ifneq "$$(strip $$($1_$2_HS_SRCS) $$($1_$2_HS_BOOT_SRCS))" ""
include $$($1_$2_depfile_haskell)
......@@ -76,6 +82,7 @@ ifeq "$$(DEBUG)" "YES"
$$(warning not building dependencies in $1)
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