small cleanup of previous commit with mucho comments.

This commit is contained in:
Felix S. Klock II 2013-09-01 00:53:56 +02:00
parent f61713a5eb
commit b1a22518f0
2 changed files with 14 additions and 4 deletions

View File

@ -6,7 +6,9 @@ $(HBIN0_H_$(CFG_BUILD_TRIPLE))/:
$(HLIB0_H_$(CFG_BUILD_TRIPLE))/:
mkdir -p $@
$(HBIN0_H_$(CFG_BUILD_TRIPLE))/rustc$(X_$(CFG_BUILD_TRIPLE)): \
SNAPSHOT_RUSTC_POST_CLEANUP=$(HBIN0_H_$(CFG_BUILD_TRIPLE))/rustc$(X_$(CFG_BUILD_TRIPLE))
$(SNAPSHOT_RUSTC_POST_CLEANUP): \
$(S)src/snapshots.txt \
$(S)src/etc/get-snapshot.py $(MKFILE_DEPS) \
| $(HBIN0_H_$(CFG_BUILD_TRIPLE))/

View File

@ -27,20 +27,28 @@ WFLAGS_ST2 = -D warnings
# $(2) is the target triple
# $(3) is the host triple
# Every recipe in TARGET_STAGE_N outputs to $$(TLIB$(1)_T_$(2)_H_$(3),
# a directory that can be cleaned out during the middle of a run of
# the get-snapshot.py script. Therefore, every recipe needs to have
# an order-only dependency either on $(SNAPSHOT_RUSTC_POST_CLEANUP) or
# on $$(TSREQ$(1)_T_$(2)_H_$(3)), to ensure that no products will be
# put into the target area until after the get-snapshot.py script has
# had its chance to clean it out; otherwise the other products will be
# inadvertantly included in the clean out.
define TARGET_STAGE_N
$$(TLIB$(1)_T_$(2)_H_$(3))/libmorestack.a: \
rt/$(2)/stage$(1)/arch/$$(HOST_$(2))/libmorestack.a \
| $$(TLIB$(1)_T_$(2)_H_$(3))/ \
$(HBIN0_H_$(CFG_BUILD_TRIPLE))/rustc$(X_$(CFG_BUILD_TRIPLE))
$(SNAPSHOT_RUSTC_POST_CLEANUP)
@$$(call E, cp: $$@)
$$(Q)cp $$< $$@
$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_RUNTIME_$(2)): \
rt/$(2)/stage$(1)/$(CFG_RUNTIME_$(2)) \
| $$(TLIB$(1)_T_$(2)_H_$(3))/ \
$(HBIN0_H_$(CFG_BUILD_TRIPLE))/rustc$(X_$(CFG_BUILD_TRIPLE))
$(SNAPSHOT_RUSTC_POST_CLEANUP)
@$$(call E, cp: $$@)
$$(Q)cp $$< $$@
@ -80,7 +88,7 @@ ifneq ($$(findstring $(2),$$(CFG_HOST_TRIPLES)),)
$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_RUSTLLVM_$(3)): \
rustllvm/$(2)/$(CFG_RUSTLLVM_$(3)) \
| $$(TLIB$(1)_T_$(2)_H_$(3))/ \
$(HBIN0_H_$(CFG_BUILD_TRIPLE))/rustc$(X_$(CFG_BUILD_TRIPLE))
$(SNAPSHOT_RUSTC_POST_CLEANUP)
@$$(call E, cp: $$@)
$$(Q)cp $$< $$@