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rust/mk/target.mk

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Makefile
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Reliciense makefiles and testsuite. Yup.
2012-12-11 02:32:48 +01:00
# Copyright 2012 The Rust Project Developers. See the COPYRIGHT
# file at the top-level directory of this distribution and at
# http://rust-lang.org/COPYRIGHT.
#
# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
# option. This file may not be copied, modified, or distributed
# except according to those terms.
Define rustc's host triple at compile time This way a cross-compiled rustc's answer to host_triple() is correct. The return value of host_triple() reflects the actual host triple that the compiler was build for, not the triple the compiler is being built on
2013-05-25 08:05:31 +02:00
# This is the compile-time target-triple for the compiler. For the compiler at
# runtime, this should be considered the host-triple. More explanation for why
# this exists can be found on issue #2400
mk: Rename CFG_COMPILER to CFG_COMPILER_HOST_TRIPLE Much clearer
2014-03-26 03:23:45 +01:00
export CFG_COMPILER_HOST_TRIPLE
Define rustc's host triple at compile time This way a cross-compiled rustc's answer to host_triple() is correct. The return value of host_triple() reflects the actual host triple that the compiler was build for, not the triple the compiler is being built on
2013-05-25 08:05:31 +02:00
Deny common lints by default for lib{std,extra}
2013-06-26 02:02:03 +02:00
# The standard libraries should be held up to a higher standard than any old
# code, make sure that these common warnings are denied by default. These can
Allow stage0 warnings
2013-10-16 20:27:24 +02:00
# be overridden during development temporarily. For stage0, we allow warnings
# which may be bugs in stage0 (should be fixed in stage1+)
WFLAGS_ST0 = -W warnings
Deny common lints by default for lib{std,extra}
2013-06-26 02:02:03 +02:00
WFLAGS_ST1 = -D warnings
WFLAGS_ST2 = -D warnings
Refactor the build system for easily adding crates Before this patch, if you wanted to add a crate to the build system you had to change about 100 lines across 8 separate makefiles. This is highly error prone and opaque to all but a few. This refactoring is targeted at consolidating this effort so adding a new crate adds one line in one file in a way that everyone can understand it.
2014-01-25 04:27:22 +01:00
# Macro that generates the full list of dependencies for a crate at a particular
# stage/target/host tuple.
#
# $(1) - stage
# $(2) - target
# $(3) - host
# $(4) crate
define RUST_CRATE_FULLDEPS
CRATE_FULLDEPS_$(1)_T_$(2)_H_$(3)_$(4) := \
$$(CRATEFILE_$(4)) \
$$(RSINPUTS_$(4)) \
$$(foreach dep,$$(RUST_DEPS_$(4)), \
$$(TLIB$(1)_T_$(2)_H_$(3))/stamp.$$(dep)) \
$$(foreach dep,$$(NATIVE_DEPS_$(4)), \
$$(RT_OUTPUT_DIR_$(2))/$$(call CFG_STATIC_LIB_NAME_$(2),$$(dep)))
endef
$(foreach host,$(CFG_HOST), \
$(foreach target,$(CFG_TARGET), \
$(foreach stage,$(STAGES), \
$(foreach crate,$(CRATES), \
$(eval $(call RUST_CRATE_FULLDEPS,$(stage),$(target),$(host),$(crate)))))))
# RUST_TARGET_STAGE_N template: This defines how target artifacts are built
# for all stage/target architecture combinations. This is one giant rule which
# works as follows:
#
# 1. The immediate dependencies are the rust source files
# 2. Each rust crate dependency is listed (based on their stamp files),
# as well as all native dependencies (listed in RT_OUTPUT_DIR)
# 3. The stage (n-1) compiler is required through the TSREQ dependency, along
# with the morestack library
# 4. When actually executing the rule, the first thing we do is to clean out
# old libs and rlibs via the REMOVE_ALL_OLD_GLOB_MATCHES macro
# 5. Finally, we get around to building the actual crate. It's just one
# "small" invocation of the previous stage rustc. We use -L to
# RT_OUTPUT_DIR so all the native dependencies are picked up.
# Additionally, we pass in the llvm dir so rustc can link against it.
# 6. Some cleanup is done (listing what was just built) if verbose is turned
# on.
#
basic builds function
2011-11-21 22:11:40 +01:00
# $(1) is the stage
# $(2) is the target triple
# $(3) is the host triple
Refactor the build system for easily adding crates Before this patch, if you wanted to add a crate to the build system you had to change about 100 lines across 8 separate makefiles. This is highly error prone and opaque to all but a few. This refactoring is targeted at consolidating this effort so adding a new crate adds one line in one file in a way that everyone can understand it.
2014-01-25 04:27:22 +01:00
# $(4) is the crate name
define RUST_TARGET_STAGE_N
mk: Rename CFG_COMPILER to CFG_COMPILER_HOST_TRIPLE Much clearer
2014-03-26 03:23:45 +01:00
$$(TLIB$(1)_T_$(2)_H_$(3))/stamp.$(4): CFG_COMPILER_HOST_TRIPLE = $(2)
Refactor the build system for easily adding crates Before this patch, if you wanted to add a crate to the build system you had to change about 100 lines across 8 separate makefiles. This is highly error prone and opaque to all but a few. This refactoring is targeted at consolidating this effort so adding a new crate adds one line in one file in a way that everyone can understand it.
2014-01-25 04:27:22 +01:00
$$(TLIB$(1)_T_$(2)_H_$(3))/stamp.$(4): \
$$(CRATEFILE_$(4)) \
$$(CRATE_FULLDEPS_$(1)_T_$(2)_H_$(3)_$(4)) \
$$(TSREQ$(1)_T_$(2)_H_$(3)) \
| $$(TLIB$(1)_T_$(2)_H_$(3))/
mk: Replace 'compile_and_link' with 'oxidize'
2014-02-09 11:42:28 +01:00
@$$(call E, oxidize: $$(@D)/lib$(4))
Refactor the build system for easily adding crates Before this patch, if you wanted to add a crate to the build system you had to change about 100 lines across 8 separate makefiles. This is highly error prone and opaque to all but a few. This refactoring is targeted at consolidating this effort so adding a new crate adds one line in one file in a way that everyone can understand it.
2014-01-25 04:27:22 +01:00
$$(call REMOVE_ALL_OLD_GLOB_MATCHES,\
$$(dir $$@)$$(call CFG_LIB_GLOB_$(2),$(4)))
$$(call REMOVE_ALL_OLD_GLOB_MATCHES,\
$$(dir $$@)$$(call CFG_RLIB_GLOB,$(4)))
$$(STAGE$(1)_T_$(2)_H_$(3)) \
$$(WFLAGS_ST$(1)) \
-L "$$(RT_OUTPUT_DIR_$(2))" \
-L "$$(LLVM_LIBDIR_$(2))" \
llvm: Add an option to statically link libstdc++ The goal of the snapshot bots is to produce binaries which can run in as many locations as possible. Currently we build on Centos 6 for this reason, but with LLVM's update to C++11, this reduces the number of platforms that we could possibly run on. This adds a --enable-llvm-static-stdcpp option to the ./configure script for Rust which will enable building a librustc with a static dependence on libstdc++. This normally isn't necessary, but this option can be used on the snapshot builders in order to continue to make binaries which should be able to run in as many locations as possible.
2014-04-16 19:45:04 +02:00
-L "$$(dir $$(LLVM_STDCPP_LOCATION_$(2)))" \
Refactor the build system for easily adding crates Before this patch, if you wanted to add a crate to the build system you had to change about 100 lines across 8 separate makefiles. This is highly error prone and opaque to all but a few. This refactoring is targeted at consolidating this effort so adding a new crate adds one line in one file in a way that everyone can understand it.
2014-01-25 04:27:22 +01:00
--out-dir $$(@D) $$<
@touch $$@
$$(call LIST_ALL_OLD_GLOB_MATCHES,\
$$(dir $$@)$$(call CFG_LIB_GLOB_$(2),$(4)))
$$(call LIST_ALL_OLD_GLOB_MATCHES,\
$$(dir $$@)$$(call CFG_RLIB_GLOB,$(4)))
endef
# Macro for building any tool as part of the rust compilation process. Each
# tool is defined in crates.mk with a list of library dependencies as well as
# the source file for the tool. Building each tool will also be passed '--cfg
# <tool>' for usage in driver.rs
#
# This build rule is similar to the one found above, just tweaked for
# locations and things.
#
# $(1) - stage
# $(2) - target triple
# $(3) - host triple
# $(4) - name of the tool being built
define TARGET_TOOL
$$(TBIN$(1)_T_$(2)_H_$(3))/$(4)$$(X_$(2)): \
$$(TOOL_SOURCE_$(4)) \
$$(TOOL_INPUTS_$(4)) \
$$(foreach dep,$$(TOOL_DEPS_$(4)), \
$$(TLIB$(1)_T_$(2)_H_$(3))/stamp.$$(dep)) \
$$(TSREQ$(1)_T_$(2)_H_$(3)) \
| $$(TBIN$(1)_T_$(4)_H_$(3))/
mk: Replace 'compile_and_link' with 'oxidize'
2014-02-09 11:42:28 +01:00
@$$(call E, oxidize: $$@)
Refactor the build system for easily adding crates Before this patch, if you wanted to add a crate to the build system you had to change about 100 lines across 8 separate makefiles. This is highly error prone and opaque to all but a few. This refactoring is targeted at consolidating this effort so adding a new crate adds one line in one file in a way that everyone can understand it.
2014-01-25 04:27:22 +01:00
$$(STAGE$(1)_T_$(2)_H_$(3)) -o $$@ $$< --cfg $(4)
endef
Lots of build system cleanup and documentation This splits mk/stageN.mk into host.mk and target.mk and makes the build rules somewhat simpler - there's no more building from stageN into stageN+1; instead we always build from stageN(host) to stageN(target) then promote from stageN(target) to stageN+1(host). Add a big honkin explaination right at the top of Makefile.in
2011-10-02 05:12:08 +02:00
Refactor the build system for easily adding crates Before this patch, if you wanted to add a crate to the build system you had to change about 100 lines across 8 separate makefiles. This is highly error prone and opaque to all but a few. This refactoring is targeted at consolidating this effort so adding a new crate adds one line in one file in a way that everyone can understand it.
2014-01-25 04:27:22 +01:00
# Every recipe in RUST_TARGET_STAGE_N outputs to $$(TLIB$(1)_T_$(2)_H_$(3),
small cleanup of previous commit with mucho comments.
2013-09-01 00:53:56 +02:00
# 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 $$(TSREQ$(1)_T_$(2)_H_$(3)), to ensure that no products will be
# put into the target area until after the get-snapshot.py script has
# had its chance to clean it out; otherwise the other products will be
# inadvertantly included in the clean out.
support for GNU configure syntax
2013-10-21 11:18:21 +02:00
SNAPSHOT_RUSTC_POST_CLEANUP=$(HBIN0_H_$(CFG_BUILD))/rustc$(X_$(CFG_BUILD))
Fix for make -j race from #9531 injected by cleanup in b1a22518f0c687db.
2013-09-26 23:56:53 +02:00
Refactor the build system for easily adding crates Before this patch, if you wanted to add a crate to the build system you had to change about 100 lines across 8 separate makefiles. This is highly error prone and opaque to all but a few. This refactoring is targeted at consolidating this effort so adding a new crate adds one line in one file in a way that everyone can understand it.
2014-01-25 04:27:22 +01:00
define TARGET_HOST_RULES
rt: Build __morestack as a static library and copy it to the right places
2011-11-29 02:23:13 +01:00
Refactor the build system for easily adding crates Before this patch, if you wanted to add a crate to the build system you had to change about 100 lines across 8 separate makefiles. This is highly error prone and opaque to all but a few. This refactoring is targeted at consolidating this effort so adding a new crate adds one line in one file in a way that everyone can understand it.
2014-01-25 04:27:22 +01:00
$$(TLIB$(1)_T_$(2)_H_$(3))/stamp.rustc: $(S)src/librustc/lib/llvmdeps.rs
build: Add USE_SNAPSHOT_STDLIB. Set to 1
2012-05-22 20:40:46 +02:00
Fix another goof: consistently use parent directory of target for rule. (I wonder if there's a better way to write this in the rule itself; i.e. something like `$$(dirname $$@)`. But for now this will do.)
2013-05-04 12:46:11 +02:00
$$(TBIN$(1)_T_$(2)_H_$(3))/:
mkdir -p $$@
Make build products depend on their target directories. This is an attempt to address Issue #3326 by adding [*order-only*][1] prerequsites of each build product on the directory where it is to go. It is important that the prerequisites be order-only, since the timestamp on a parent directory is not relevant to whether a product is out of date; the parent directory merely needs to exist. (This use case of generating target directories was provided as an [example][2] of how order-only prequisites are used.) [1]: http://www.gnu.org/software/make/manual/html_node/Prerequisite-Types.html [2]: http://www.kolpackov.net/pipermail/notes/2004-January/000001.html
2013-05-03 18:53:47 +02:00
$$(TLIB$(1)_T_$(2)_H_$(3))/:
Fix syntax: had to use escaped $$ to have an effect after first expansion.
2013-05-04 10:57:56 +02:00
mkdir -p $$@
Make build products depend on their target directories. This is an attempt to address Issue #3326 by adding [*order-only*][1] prerequsites of each build product on the directory where it is to go. It is important that the prerequisites be order-only, since the timestamp on a parent directory is not relevant to whether a product is out of date; the parent directory merely needs to exist. (This use case of generating target directories was provided as an [example][2] of how order-only prequisites are used.) [1]: http://www.gnu.org/software/make/manual/html_node/Prerequisite-Types.html [2]: http://www.kolpackov.net/pipermail/notes/2004-January/000001.html
2013-05-03 18:53:47 +02:00
Build compiler-rt and link it to all crates, similarly to morestack.
2014-02-04 07:54:09 +01:00
$$(TLIB$(1)_T_$(2)_H_$(3))/libcompiler-rt.a: \
$$(RT_OUTPUT_DIR_$(2))/$$(call CFG_STATIC_LIB_NAME_$(2),compiler-rt) \
| $$(TLIB$(1)_T_$(2)_H_$(3))/ $$(SNAPSHOT_RUSTC_POST_CLEANUP)
@$$(call E, cp: $$@)
$$(Q)cp $$< $$@
Refactor the build system for easily adding crates Before this patch, if you wanted to add a crate to the build system you had to change about 100 lines across 8 separate makefiles. This is highly error prone and opaque to all but a few. This refactoring is targeted at consolidating this effort so adding a new crate adds one line in one file in a way that everyone can understand it.
2014-01-25 04:27:22 +01:00
$$(TLIB$(1)_T_$(2)_H_$(3))/libmorestack.a: \
$$(RT_OUTPUT_DIR_$(2))/$$(call CFG_STATIC_LIB_NAME_$(2),morestack) \
| $$(TLIB$(1)_T_$(2)_H_$(3))/ $$(SNAPSHOT_RUSTC_POST_CLEANUP)
@$$(call E, cp: $$@)
$$(Q)cp $$< $$@
build: Add USE_SNAPSHOT_STDLIB. Set to 1
2012-05-22 20:40:46 +02:00
endef
Refactor the build system for easily adding crates Before this patch, if you wanted to add a crate to the build system you had to change about 100 lines across 8 separate makefiles. This is highly error prone and opaque to all but a few. This refactoring is targeted at consolidating this effort so adding a new crate adds one line in one file in a way that everyone can understand it.
2014-01-25 04:27:22 +01:00
$(foreach source,$(CFG_HOST), \
$(foreach target,$(CFG_TARGET), \
$(eval $(call TARGET_HOST_RULES,0,$(target),$(source))) \
$(eval $(call TARGET_HOST_RULES,1,$(target),$(source))) \
$(eval $(call TARGET_HOST_RULES,2,$(target),$(source))) \
$(eval $(call TARGET_HOST_RULES,3,$(target),$(source)))))
# In principle, each host can build each target for both libs and tools
$(foreach crate,$(CRATES), \
$(foreach source,$(CFG_HOST), \
$(foreach target,$(CFG_TARGET), \
$(eval $(call RUST_TARGET_STAGE_N,0,$(target),$(source),$(crate))) \
$(eval $(call RUST_TARGET_STAGE_N,1,$(target),$(source),$(crate))) \
$(eval $(call RUST_TARGET_STAGE_N,2,$(target),$(source),$(crate))) \
$(eval $(call RUST_TARGET_STAGE_N,3,$(target),$(source),$(crate))))))
$(foreach host,$(CFG_HOST), \
$(foreach target,$(CFG_TARGET), \
$(foreach stage,$(STAGES), \
$(foreach tool,$(TOOLS), \
$(eval $(call TARGET_TOOL,$(stage),$(target),$(host),$(tool)))))))
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