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325 строки
11 KiB
Makefile
325 строки
11 KiB
Makefile
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this file,
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# You can obtain one at http://mozilla.org/MPL/2.0/.
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# /!\ In this file, we export multiple variables globally via make rather than
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# in recipes via the `env` command to avoid round-trips to msys on Windows, which
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# tend to break environment variable values in interesting ways.
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# /!\ Avoid the use of double-quotes in this file, so that the cargo
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# commands can be executed directly by make, without doing a round-trip
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# through a shell.
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cargo_host_flag := --target=$(RUST_HOST_TARGET)
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cargo_target_flag := --target=$(RUST_TARGET)
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# Permit users to pass flags to cargo from their mozconfigs (e.g. --color=always).
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cargo_build_flags = $(CARGOFLAGS)
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ifndef MOZ_DEBUG_RUST
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cargo_build_flags += --release
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endif
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# The Spidermonkey library can be built from a package tarball outside the
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# tree, so we want to let Cargo create lock files in this case. When built
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# within a tree, the Rust dependencies have been vendored in so Cargo won't
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# touch the lock file.
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ifndef JS_STANDALONE
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cargo_build_flags += --frozen
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endif
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cargo_build_flags += --manifest-path $(CARGO_FILE)
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ifdef BUILD_VERBOSE_LOG
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cargo_build_flags += -vv
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endif
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# Enable color output if original stdout was a TTY and color settings
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# aren't already present. This essentially restores the default behavior
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# of cargo when running via `mach`.
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ifdef MACH_STDOUT_ISATTY
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ifeq (,$(findstring --color,$(cargo_build_flags)))
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cargo_build_flags += --color=always
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endif
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endif
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# These flags are passed via `cargo rustc` and only apply to the final rustc
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# invocation (i.e., only the top-level crate, not its dependencies).
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cargo_rustc_flags = $(CARGO_RUSTCFLAGS)
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ifndef DEVELOPER_OPTIONS
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ifndef MOZ_DEBUG_RUST
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# Enable link-time optimization for release builds.
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cargo_rustc_flags += -C lto
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endif
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endif
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ifdef CARGO_INCREMENTAL
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export CARGO_INCREMENTAL
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endif
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rustflags_neon =
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ifeq (neon,$(MOZ_FPU))
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rustflags_neon += -C target_feature=+neon
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endif
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rustflags_override = $(MOZ_RUST_DEFAULT_FLAGS) $(rustflags_neon)
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ifdef MOZ_USING_SCCACHE
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export RUSTC_WRAPPER=$(CCACHE)
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endif
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ifdef MOZ_CODE_COVERAGE
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ifeq (gcc,$(CC_TYPE))
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CODE_COVERAGE_GCC=1
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endif
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endif
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# We start with host variables because the rust host and the rust target might be the same,
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# in which case we want the latter to take priority.
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# We're passing these for consumption by the `cc` crate, which doesn't use the same
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# convention as cargo itself:
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# https://github.com/alexcrichton/cc-rs/blob/baa71c0e298d9ad7ac30f0ad78f20b4b3b3a8fb2/src/lib.rs#L1715
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rust_host_cc_env_name := $(subst -,_,$(RUST_HOST_TARGET))
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export CC_$(rust_host_cc_env_name)=$(HOST_CC)
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export CXX_$(rust_host_cc_env_name)=$(HOST_CXX)
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# We don't have a HOST_AR. If rust needs one, assume it's going to pick an appropriate one.
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rust_cc_env_name := $(subst -,_,$(RUST_TARGET))
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export CC_$(rust_cc_env_name)=$(CC)
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export CXX_$(rust_cc_env_name)=$(CXX)
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export AR_$(rust_cc_env_name)=$(AR)
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ifeq (,$(MOZ_ASAN)$(MOZ_TSAN)$(MOZ_UBSAN)$(CODE_COVERAGE_GCC)$(FUZZING_INTERFACES))
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# -DMOZILLA_CONFIG_H is added to prevent mozilla-config.h from injecting anything
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# in C/C++ compiles from rust. That's not needed in the other branch because the
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# base flags don't force-include mozilla-config.h.
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export CFLAGS_$(rust_host_cc_env_name)=$(COMPUTED_HOST_CFLAGS) -DMOZILLA_CONFIG_H
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export CXXFLAGS_$(rust_host_cc_env_name)=$(COMPUTED_HOST_CXXFLAGS) -DMOZILLA_CONFIG_H
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export CFLAGS_$(rust_cc_env_name)=$(COMPUTED_CFLAGS) -DMOZILLA_CONFIG_H
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export CXXFLAGS_$(rust_cc_env_name)=$(COMPUTED_CXXFLAGS) -DMOZILLA_CONFIG_H
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else
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# Because cargo doesn't allow to distinguish builds happening for build
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# scripts/procedural macros vs. those happening for the rust target,
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# we can't blindly pass all our flags down for cc-rs to use them, because of the
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# side effects they can have on what otherwise should be host builds.
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# So for sanitizer, fuzzing and coverage builds, we only pass the base compiler
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# flags.
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# This means C code built by rust is not going to be covered by sanitizer,
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# fuzzing and coverage. But at least we control what compiler is being used,
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# rather than relying on cc-rs guesses, which, sometimes fail us.
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export CFLAGS_$(rust_host_cc_env_name)=$(HOST_CC_BASE_FLAGS)
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export CXXFLAGS_$(rust_host_cc_env_name)=$(HOST_CXX_BASE_FLAGS)
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export CFLAGS_$(rust_cc_env_name)=$(CC_BASE_FLAGS)
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export CXXFLAGS_$(rust_cc_env_name)=$(CXX_BASE_FLAGS)
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endif
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export CARGO_TARGET_DIR
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export RUSTFLAGS
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export RUSTC
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export RUSTDOC
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export RUSTFMT
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export MOZ_SRC=$(topsrcdir)
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export MOZ_DIST=$(ABS_DIST)
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export LIBCLANG_PATH=$(MOZ_LIBCLANG_PATH)
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export CLANG_PATH=$(MOZ_CLANG_PATH)
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export PKG_CONFIG_ALLOW_CROSS=1
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export RUST_BACKTRACE=full
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export MOZ_TOPOBJDIR=$(topobjdir)
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TARGET_RECIPES := \
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force-cargo-test-run \
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$(foreach a,library program,$(foreach b,build check,force-cargo-$(a)-$(b)))
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$(TARGET_RECIPES): RUSTFLAGS:=$(rustflags_override) $(RUSTFLAGS)
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HOST_RECIPES := \
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$(foreach a,library program,$(foreach b,build check,force-cargo-host-$(a)-$(b)))
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$(HOST_RECIPES): RUSTFLAGS:=$(rustflags_override)
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cargo_env = $(subst -,_,$(subst a,A,$(subst b,B,$(subst c,C,$(subst d,D,$(subst e,E,$(subst f,F,$(subst g,G,$(subst h,H,$(subst i,I,$(subst j,J,$(subst k,K,$(subst l,L,$(subst m,M,$(subst n,N,$(subst o,O,$(subst p,P,$(subst q,Q,$(subst r,R,$(subst s,S,$(subst t,T,$(subst u,U,$(subst v,V,$(subst w,W,$(subst x,X,$(subst y,Y,$(subst z,Z,$1)))))))))))))))))))))))))))
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# We use the + prefix to pass down the jobserver fds to cargo, but we
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# don't use the prefix when make -n is used, so that cargo doesn't run
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# in that case)
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define RUN_CARGO
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$(if $(findstring n,$(filter-out --%, $(MAKEFLAGS))),,+)$(CARGO) $(1) $(cargo_build_flags)
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endef
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# This function is intended to be called by:
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#
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# $(call CARGO_BUILD,EXTRA_ENV_VAR1=X EXTRA_ENV_VAR2=Y ...)
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#
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# but, given the idiosyncracies of make, can also be called without arguments:
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#
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# $(call CARGO_BUILD)
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define CARGO_BUILD
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$(call RUN_CARGO,rustc)
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endef
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define CARGO_CHECK
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$(call RUN_CARGO,check)
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endef
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cargo_host_linker_env_var := CARGO_TARGET_$(call cargo_env,$(RUST_HOST_TARGET))_LINKER
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cargo_linker_env_var := CARGO_TARGET_$(call cargo_env,$(RUST_TARGET))_LINKER
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# Defining all of this for ASan/TSan builds results in crashes while running
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# some crates's build scripts (!), so disable it for now.
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ifndef MOZ_ASAN
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ifndef MOZ_TSAN
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ifndef MOZ_UBSAN
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ifndef FUZZING_INTERFACES
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# Cargo needs the same linker flags as the C/C++ compiler,
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# but not the final libraries. Filter those out because they
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# cause problems on macOS 10.7; see bug 1365993 for details.
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# Also, we don't want to pass PGO flags until cargo supports them.
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export MOZ_CARGO_WRAP_LDFLAGS
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export MOZ_CARGO_WRAP_LD
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export MOZ_CARGO_WRAP_HOST_LDFLAGS
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export MOZ_CARGO_WRAP_HOST_LD
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# Exporting from make always exports a value. Setting a value per-recipe
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# would export an empty value for the host recipes. When not doing a
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# cross-compile, the --target for those is the same, and cargo will use
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# CARGO_TARGET_*_LINKER for its linker, so we always pass the
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# cargo-linker wrapper, and fill MOZ_CARGO_WRAP_{HOST_,}LD* more or less
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# appropriately for all recipes.
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ifeq (WINNT,$(HOST_OS_ARCH))
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# Use .bat wrapping on Windows hosts, and shell wrapping on other hosts.
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# Like for CC/C*FLAGS, we want the target values to trump the host values when
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# both variables are the same.
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export $(cargo_host_linker_env_var):=$(topsrcdir)/build/cargo-host-linker.bat
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export $(cargo_linker_env_var):=$(topsrcdir)/build/cargo-linker.bat
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WRAP_HOST_LINKER_LIBPATHS:=$(HOST_LINKER_LIBPATHS_BAT)
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else
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export $(cargo_host_linker_env_var):=$(topsrcdir)/build/cargo-host-linker
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export $(cargo_linker_env_var):=$(topsrcdir)/build/cargo-linker
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WRAP_HOST_LINKER_LIBPATHS:=$(HOST_LINKER_LIBPATHS)
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endif
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$(TARGET_RECIPES): MOZ_CARGO_WRAP_LDFLAGS:=$(filter-out -fsanitize=cfi% -framework Cocoa -lobjc AudioToolbox ExceptionHandling -fprofile-%,$(LDFLAGS))
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$(HOST_RECIPES): MOZ_CARGO_WRAP_LDFLAGS:=$(HOST_LDFLAGS) $(WRAP_HOST_LINKER_LIBPATHS)
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$(TARGET_RECIPES) $(HOST_RECIPES): MOZ_CARGO_WRAP_HOST_LDFLAGS:=$(HOST_LDFLAGS) $(WRAP_HOST_LINKER_LIBPATHS)
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ifeq (,$(filter clang-cl,$(CC_TYPE)))
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$(TARGET_RECIPES): MOZ_CARGO_WRAP_LD:=$(CC)
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else
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$(TARGET_RECIPES): MOZ_CARGO_WRAP_LD:=$(LINKER)
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endif
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ifeq (,$(filter clang-cl,$(HOST_CC_TYPE)))
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$(HOST_RECIPES): MOZ_CARGO_WRAP_LD:=$(HOST_CC)
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$(TARGET_RECIPES) $(HOST_RECIPES): MOZ_CARGO_WRAP_HOST_LD:=$(HOST_CC)
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else
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$(HOST_RECIPES): MOZ_CARGO_WRAP_LD:=$(HOST_LINKER)
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$(TARGET_RECIPES) $(HOST_RECIPES): MOZ_CARGO_WRAP_HOST_LD:=$(HOST_LINKER)
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endif
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endif # FUZZING_INTERFACES
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endif # MOZ_UBSAN
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endif # MOZ_TSAN
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endif # MOZ_ASAN
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ifdef RUST_LIBRARY_FILE
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ifdef RUST_LIBRARY_FEATURES
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rust_features_flag := --features '$(RUST_LIBRARY_FEATURES)'
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endif
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# Assume any system libraries rustc links against are already in the target's LIBS.
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#
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# We need to run cargo unconditionally, because cargo is the only thing that
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# has full visibility into how changes in Rust sources might affect the final
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# build.
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force-cargo-library-build:
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$(REPORT_BUILD)
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$(call CARGO_BUILD) --lib $(cargo_target_flag) $(rust_features_flag) -- $(cargo_rustc_flags)
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$(RUST_LIBRARY_FILE): force-cargo-library-build
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# When we are building in --enable-release mode; we add an additional check to confirm
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# that we are not importing any networking-related functions in rust code. This reduces
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# the chance of proxy bypasses originating from rust code.
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ifndef DEVELOPER_OPTIONS
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ifndef MOZ_DEBUG_RUST
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ifeq ($(OS_ARCH), Linux)
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$(call py_action,check_binary,--target --networking $@)
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endif
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endif
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endif
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force-cargo-library-check:
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$(call CARGO_CHECK) --lib $(cargo_target_flag) $(rust_features_flag)
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else
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force-cargo-library-check:
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@true
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endif # RUST_LIBRARY_FILE
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ifdef RUST_TESTS
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rust_test_options := $(foreach test,$(RUST_TESTS),-p $(test))
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ifdef RUST_TEST_FEATURES
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rust_features_flag := --features '$(RUST_TEST_FEATURES)'
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endif
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# Don't stop at the first failure. We want to list all failures together.
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rust_test_flag := --no-fail-fast
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force-cargo-test-run:
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$(call RUN_CARGO,test $(cargo_target_flag) $(rust_test_flag) $(rust_test_options) $(rust_features_flag))
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endif
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ifdef HOST_RUST_LIBRARY_FILE
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ifdef HOST_RUST_LIBRARY_FEATURES
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host_rust_features_flag := --features '$(HOST_RUST_LIBRARY_FEATURES)'
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endif
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force-cargo-host-library-build:
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$(REPORT_BUILD)
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$(call CARGO_BUILD) --lib $(cargo_host_flag) $(host_rust_features_flag)
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$(HOST_RUST_LIBRARY_FILE): force-cargo-host-library-build
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force-cargo-host-library-check:
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$(call CARGO_CHECK) --lib $(cargo_host_flag) $(host_rust_features_flag)
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else
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force-cargo-host-library-check:
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@true
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endif # HOST_RUST_LIBRARY_FILE
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ifdef RUST_PROGRAMS
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GARBAGE_DIRS += $(RUST_TARGET)
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force-cargo-program-build:
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$(REPORT_BUILD)
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$(call CARGO_BUILD) $(addprefix --bin ,$(RUST_CARGO_PROGRAMS)) $(cargo_target_flag)
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$(RUST_PROGRAMS): force-cargo-program-build
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force-cargo-program-check:
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$(call CARGO_CHECK) $(addprefix --bin ,$(RUST_CARGO_PROGRAMS)) $(cargo_target_flag)
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else
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force-cargo-program-check:
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@true
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endif # RUST_PROGRAMS
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ifdef HOST_RUST_PROGRAMS
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GARBAGE_DIRS += $(RUST_HOST_TARGET)
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force-cargo-host-program-build:
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$(REPORT_BUILD)
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$(call CARGO_BUILD) $(addprefix --bin ,$(HOST_RUST_CARGO_PROGRAMS)) $(cargo_host_flag)
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$(HOST_RUST_PROGRAMS): force-cargo-host-program-build
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force-cargo-host-program-check:
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$(REPORT_BUILD)
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$(call CARGO_CHECK) $(addprefix --bin ,$(HOST_RUST_CARGO_PROGRAMS)) $(cargo_host_flag)
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else
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force-cargo-host-program-check:
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@true
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endif # HOST_RUST_PROGRAMS
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