From 7720e1503ee9b6ea2b949f95287a32b8d3361bb0 Mon Sep 17 00:00:00 2001 From: Ian Lynagh Date: Mon, 26 Jul 2010 21:15:12 +0000 Subject: [PATCH] Don't rebuild dependency files unnecessarily when doing "make 1" etc --- rules/build-dependencies.mk | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/rules/build-dependencies.mk b/rules/build-dependencies.mk index 4bcd6d1..a1b55b6 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 -- 1.7.10.4