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rust/mk/stage0.mk

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Lots of build system cleanup and documentation This splits mk/stageN.mk into host.mk and target.mk and makes the build rules somewhat simpler - there's no more building from stageN into stageN+1; instead we always build from stageN(host) to stageN(target) then promote from stageN(target) to stageN+1(host). Add a big honkin explaination right at the top of Makefile.in
2011-10-02 05:12:08 +02:00
# Extract the snapshot host compiler
basic builds function
2011-11-21 22:11:40 +01:00
$(HBIN0_H_$(CFG_HOST_TRIPLE))/rustc$(X): \
$(S)src/snapshots.txt \
fix makefiles, add option to ignore changes in makefiles
2011-11-24 00:20:28 +01:00
$(S)src/etc/get-snapshot.py $(MKFILE_DEPS)
Attempt to shift build to stage0-from-snapshots.
2011-05-03 20:34:44 +02:00
@$(call E, fetch: $@)
basic builds function
2011-11-21 22:11:40 +01:00
$(Q)$(S)src/etc/get-snapshot.py $(CFG_HOST_TRIPLE)
Remove everything to do with rustboot from makefiles.
2011-05-04 00:51:21 +02:00
$(Q)touch $@
Start splitting up Makefile.in
2011-05-01 22:18:52 +02:00
Lots of build system cleanup and documentation This splits mk/stageN.mk into host.mk and target.mk and makes the build rules somewhat simpler - there's no more building from stageN into stageN+1; instead we always build from stageN(host) to stageN(target) then promote from stageN(target) to stageN+1(host). Add a big honkin explaination right at the top of Makefile.in
2011-10-02 05:12:08 +02:00
# Host libs will be extracted by the above rule
Attempt to shift build to stage0-from-snapshots.
2011-05-03 20:34:44 +02:00
basic builds function
2011-11-21 22:11:40 +01:00
$(HLIB0_H_$(CFG_HOST_TRIPLE))/$(CFG_RUNTIME): \
$(HBIN0_H_$(CFG_HOST_TRIPLE))/rustc$(X)
Build the stage1 compiler against the newly built librustrt.
2011-07-22 01:11:35 +02:00
$(Q)touch $@
build: Build intrinsics.bc
2011-05-05 03:28:30 +02:00
basic builds function
2011-11-21 22:11:40 +01:00
$(HLIB0_H_$(CFG_HOST_TRIPLE))/$(CFG_STDLIB): \
$(HBIN0_H_$(CFG_HOST_TRIPLE))/rustc$(X)
Build stage0/lib/libstd.so using the stage0 compiler. This essentially starts the bootstrapping one step earlier by building the stdlib from source using the stage0 compiler and then using that stdlib to build the stage1 compiler. (Instead of starting by building the stage1 compiler and then building a stdlib with it). This means we should now be able to add features to the stdlib and use them in the compiler without having to do a snapshot. (On the flip side, this means that we now need to do a snapshot if we want to use a new language feature in the stdlib, but that doesn't really seem too burdensome (we already need to snapshot if we want to use a new language feature in the compiler)).
2011-07-21 01:32:53 +02:00
$(Q)touch $@
Move llvm out of stageN/lib so that the host building stage 1+ can have a newer and incompatible llvm with the bots.
2011-07-11 22:31:47 +02:00
basic builds function
2011-11-21 22:11:40 +01:00
$(HLIB0_H_$(CFG_HOST_TRIPLE))/$(CFG_RUSTLLVM): \
$(HBIN0_H_$(CFG_HOST_TRIPLE))/rustc$(X)
Move llvm out of stageN/lib so that the host building stage 1+ can have a newer and incompatible llvm with the bots.
2011-07-11 22:31:47 +02:00
$(Q)touch $@
makefiles now seem to be working, rustc is not
2011-11-22 22:04:52 +01:00
# For other targets, let the host build the target:
define BOOTSTRAP_STAGE0
# $(1) target to bootstrap
# $(2) stage to bootstrap from
# $(3) target to bootstrap from
$$(HBIN0_H_$(1))/rustc$$(X): \
$$(TBIN$(2)_T_$(1)_H_$(3))/rustc$$(X)
@$$(call E, cp: $$@)
$$(Q)cp $$< $$@
$$(HLIB0_H_$(1))/$$(CFG_RUNTIME): \
$$(TBIN$(2)_T_$(1)_H_$(3))/rustc$$(X)
@$$(call E, cp: $$@)
$$(Q)cp $$< $$@
$$(HLIB0_H_$(1))/$(CFG_STDLIB): \
$$(TBIN$(2)_T_$(1)_H_$(3))/rustc$$(X)
@$$(call E, cp: $$@)
$$(Q)cp $$< $$@
$$(HLIB0_H_$(1))/$(CFG_RUSTLLVM): \
$$(TBIN$(2)_T_$(1)_H_$(3))/rustc$$(X)
@$$(call E, cp: $$@)
$$(Q)cp $$< $$@
endef
fix makefiles, add option to ignore changes in makefiles
2011-11-24 00:20:28 +01:00
# Use stage1 to build other architectures: then you don't have to wait
# for stage2, but you get the latest updates to the compiler source.
makefiles now seem to be working, rustc is not
2011-11-22 22:04:52 +01:00
$(foreach t,$(NON_HOST_TRIPLES), \
fix makefiles, add option to ignore changes in makefiles
2011-11-24 00:20:28 +01:00
$(eval $(call BOOTSTRAP_STAGE0,$(t),1,$(CFG_HOST_TRIPLE))))