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| author | Ian Lynagh <igloo@earth.li> | 2010-07-26 21:15:12 +0000 |
|---|---|---|
| committer | Ian Lynagh <igloo@earth.li> | 2010-07-26 21:15:12 +0000 |
| commit | 7720e1503ee9b6ea2b949f95287a32b8d3361bb0 (patch) | |
| tree | 3396320af41f29691aa5b07486335710da3e057c /rules/build-dependencies.mk | |
| parent | 18d222d7124d62e6950efffdbdbee637493be834 (diff) | |
| download | haskell-7720e1503ee9b6ea2b949f95287a32b8d3361bb0.tar.gz | |
Don't rebuild dependency files unnecessarily when doing "make 1" etc
Diffstat (limited to 'rules/build-dependencies.mk')
| -rw-r--r-- | rules/build-dependencies.mk | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/rules/build-dependencies.mk b/rules/build-dependencies.mk index 4bcd6d16db..a1b55b649f 100644 --- a/rules/build-dependencies.mk +++ b/rules/build-dependencies.mk @@ -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 $$($1_$2_depfile_haskell) endif @@ -76,6 +82,7 @@ ifeq "$$(DEBUG)" "YES" $$(warning not building dependencies in $1) endif endif +endif endef |