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# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2023 Luca Barbato and Donald Hoskins
# Variables (all optional) to be set in package Makefiles:
#
# RUST_HOST_FEATURES - list of options, default empty
#
# Space or comma separated list of features to activate
#
# e.g. RUST_HOST_FEATURES:=enable-foo,with-bar
#
#
# RUST_HOST_LOCKED - Assert that `Cargo.lock` will remain unchanged
# (Enabled by default)
#
# Disable it if you want to have up-to-date dependencies
#
# e.g. RUST_HOST_LOCKED:=0
ifeq ($(origin RUST_INCLUDE_DIR),undefined)
RUST_INCLUDE_DIR:=$(dir $(lastword $(MAKEFILE_LIST)))
endif
include $(RUST_INCLUDE_DIR)/rust-values.mk
RUST_HOST_LOCKED ?= 1
HOST_BUILD_DEPENDS += $(RUST_HOST_BUILD_DEPENDS)
ifeq ($(strip $(HOST_BUILD_PARALLEL)),)
HOST_BUILD_PARALLEL:=1
endif
CARGO_HOST_VARS= \
$(CARGO_HOST_CONFIG_VARS) \
CC=$(HOSTCC_NOCACHE) \
MAKEFLAGS="$(HOST_JOBS)"
CARGO_HOST_ARGS := --offline
ifeq ($(strip $(RUST_HOST_LOCKED)),1)
CARGO_HOST_ARGS += --locked
endif
# $(1) path within HOST_BUILD_DIR (optional, defaults to HOST_MAKE_PATH)
# $(2) additional arguments to cargo (optional)
#
# All cargo builds use --offline; packages must supply a vendor tarball with
# .cargo/config.toml pointing to vendor/. Generate vendor tarballs with
# scripts/gen-cargo-vendor-tarball.sh.
define Host/Compile/Cargo
+$(CARGO_HOST_VARS) \
$(CARGO) install -v \
--profile $(CARGO_HOST_PROFILE) \
$(if $(RUST_HOST_FEATURES),--features "$(RUST_HOST_FEATURES)") \
--root $(HOST_INSTALL_DIR) \
--path "$(HOST_BUILD_DIR)/$(if $(strip $(1)),$(strip $(1)),$(strip $(HOST_MAKE_PATH)))" \
$(if $(filter --jobserver%,$(HOST_JOBS)),,-j1) \
$(CARGO_HOST_ARGS) \
$(2)
endef
define Host/Uninstall/Cargo
+$(CARGO_HOST_VARS) \
$(CARGO) uninstall -v \
--root $(HOST_INSTALL_DIR) \
|| true
endef
define RustBinHostBuild
define Host/Install
$(INSTALL_DIR) $(STAGING_DIR_HOSTPKG)/bin
$(INSTALL_BIN) $(HOST_INSTALL_DIR)/bin/* $(STAGING_DIR_HOSTPKG)/bin/
endef
endef
Host/Compile=$(call Host/Compile/Cargo)
Host/Uninstall=$(call Host/Uninstall/Cargo)
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