1 # Extract the snapshot host compiler
3 $(HBIN0_H_$(CFG_BUILD))/:
6 # On windows these two are the same, so cause a redifinition warning
7 ifneq ($(HBIN0_H_$(CFG_BUILD)),$(HLIB0_H_$(CFG_BUILD)))
8 $(HLIB0_H_$(CFG_BUILD))/:
12 $(SNAPSHOT_RUSTC_POST_CLEANUP): \
13 $(S)src/snapshots.txt \
14 $(S)src/etc/get-snapshot.py $(MKFILE_DEPS) \
15 | $(HBIN0_H_$(CFG_BUILD))/
18 # Note: the variable "SNAPSHOT_FILE" is generally not set, and so
19 # we generally only pass one argument to this script.
20 ifdef CFG_ENABLE_LOCAL_RUST
21 $(Q)$(S)src/etc/local_stage0.sh $(CFG_BUILD) $(CFG_LOCAL_RUST_ROOT) rustlib
23 $(Q)$(CFG_PYTHON) $(S)src/etc/get-snapshot.py $(CFG_BUILD) $(SNAPSHOT_FILE)
25 $(Q)if [ -e "$@" ]; then touch "$@"; else echo "ERROR: snapshot $@ not found"; exit 1; fi
27 # For other targets, let the host build the target:
29 define BOOTSTRAP_STAGE0
30 # $(1) target to bootstrap
31 # $(2) stage to bootstrap from
32 # $(3) target to bootstrap from
40 $$(HBIN0_H_$(1))/rustc$$(X_$(1)): \
41 $$(TBIN$(2)_T_$(1)_H_$(3))/rustc$$(X_$(1)) \
48 # Use stage1 to build other architectures: then you don't have to wait
49 # for stage2, but you get the latest updates to the compiler source.
50 $(foreach t,$(NON_BUILD_HOST), \
51 $(eval $(call BOOTSTRAP_STAGE0,$(t),1,$(CFG_BUILD))))