a7bee7b05d
The core library in theory has 0 dependencies, but in practice it has some in order for it to be efficient. These dependencies are in the form of the basic memory operations provided by libc traditionally, such as memset, memcmp, etc. These functions are trivial to implement and themselves have 0 dependencies. This commit adds a new crate, librlibc, which will serve the purpose of providing these dependencies. The crate is never linked to by default, but is available to be linked to by downstream consumers. Normally these functions are provided by the system libc, but in other freestanding contexts a libc may not be available. In these cases, librlibc will suffice for enabling execution with libcore. cc #10116
132 lines
5.1 KiB
Makefile
132 lines
5.1 KiB
Makefile
# Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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# file at the top-level directory of this distribution and at
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# http://rust-lang.org/COPYRIGHT.
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#
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# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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# option. This file may not be copied, modified, or distributed
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# except according to those terms.
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################################################################################
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# Rust's standard distribution of crates and tools
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#
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# The crates outlined below are the standard distribution of libraries provided
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# in a rust installation. These rules are meant to abstract over the
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# dependencies (both native and rust) of crates and basically generate all the
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# necessary makefile rules necessary to build everything.
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#
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# Here's an explanation of the variables below
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#
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# TARGET_CRATES
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# This list of crates will be built for all targets, including
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# cross-compiled targets
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#
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# HOST_CRATES
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# This list of crates will be compiled for only host targets. Note that
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# this set is explicitly *not* a subset of TARGET_CRATES, but rather it is
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# a disjoint set. Nothing in the TARGET_CRATES set can depend on crates in
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# the HOST_CRATES set, but the HOST_CRATES set can depend on target
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# crates.
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#
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# TOOLS
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# A list of all tools which will be built as part of the compilation
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# process. It is currently assumed that most tools are built through
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# src/driver/driver.rs with a particular configuration (there's a
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# corresponding library providing the implementation)
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#
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# DEPS_<crate>
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# These lists are the dependencies of the <crate> that is to be built.
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# Rust dependencies are listed bare (i.e. std, green) and native
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# dependencies have a "native:" prefix (i.e. native:hoedown). All deps
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# will be built before the crate itself is built.
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#
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# TOOL_DEPS_<tool>/TOOL_SOURCE_<tool>
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# Similar to the DEPS variable, this is the library crate dependencies
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# list for tool as well as the source file for the specified tool
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#
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# You shouldn't need to modify much other than these variables. Crates are
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# automatically generated for all stage/host/target combinations.
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################################################################################
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TARGET_CRATES := libc std green rustuv native flate arena glob term semver \
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uuid serialize sync getopts collections num test time rand \
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workcache url log regex graphviz core rlibc
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HOST_CRATES := syntax rustc rustdoc fourcc hexfloat regex_macros fmt_macros
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CRATES := $(TARGET_CRATES) $(HOST_CRATES)
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TOOLS := compiletest rustdoc rustc
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DEPS_core :=
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DEPS_rlibc :=
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DEPS_std := core libc native:rustrt native:compiler-rt native:backtrace native:jemalloc
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DEPS_green := std rand native:context_switch
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DEPS_rustuv := std native:uv native:uv_support
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DEPS_native := std
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DEPS_syntax := std term serialize collections log fmt_macros
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DEPS_rustc := syntax native:rustllvm flate arena serialize sync getopts \
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collections time log
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DEPS_rustdoc := rustc native:hoedown serialize sync getopts collections \
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test time
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DEPS_flate := std native:miniz
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DEPS_arena := std collections
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DEPS_graphviz := std
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DEPS_glob := std
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DEPS_serialize := std collections log
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DEPS_term := std collections
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DEPS_semver := std
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DEPS_uuid := std serialize rand
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DEPS_sync := std
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DEPS_getopts := std
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DEPS_collections := std rand
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DEPS_fourcc := syntax std
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DEPS_hexfloat := syntax std
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DEPS_num := std rand
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DEPS_test := std collections getopts serialize term time regex
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DEPS_time := std serialize
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DEPS_rand := std
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DEPS_url := std collections
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DEPS_workcache := std serialize collections log
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DEPS_log := std sync
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DEPS_regex := std collections
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DEPS_regex_macros = syntax std regex
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DEPS_fmt_macros = std
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TOOL_DEPS_compiletest := test green rustuv getopts
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TOOL_DEPS_rustdoc := rustdoc native
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TOOL_DEPS_rustc := rustc native
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TOOL_SOURCE_compiletest := $(S)src/compiletest/compiletest.rs
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TOOL_SOURCE_rustdoc := $(S)src/driver/driver.rs
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TOOL_SOURCE_rustc := $(S)src/driver/driver.rs
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ONLY_RLIB_core := 1
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ONLY_RLIB_rlibc := 1
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################################################################################
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# You should not need to edit below this line
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################################################################################
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DOC_CRATES := $(filter-out rustc, $(filter-out syntax, $(CRATES)))
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COMPILER_DOC_CRATES := rustc syntax
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# This macro creates some simple definitions for each crate being built, just
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# some munging of all of the parameters above.
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#
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# $(1) is the crate to generate variables for
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define RUST_CRATE
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CRATEFILE_$(1) := $$(S)src/lib$(1)/lib.rs
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RSINPUTS_$(1) := $$(call rwildcard,$(S)src/lib$(1)/,*.rs)
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RUST_DEPS_$(1) := $$(filter-out native:%,$$(DEPS_$(1)))
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NATIVE_DEPS_$(1) := $$(patsubst native:%,%,$$(filter native:%,$$(DEPS_$(1))))
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endef
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$(foreach crate,$(CRATES),$(eval $(call RUST_CRATE,$(crate))))
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# Similar to the macro above for crates, this macro is for tools
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#
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# $(1) is the crate to generate variables for
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define RUST_TOOL
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TOOL_INPUTS_$(1) := $$(call rwildcard,$$(dir $$(TOOL_SOURCE_$(1))),*.rs)
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endef
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$(foreach crate,$(TOOLS),$(eval $(call RUST_TOOL,$(crate))))
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