incubator-nuttx/tools/Rust.defs

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############################################################################
# tools/Rust.defs
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership. The
# ASF licenses this file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance with the
# License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
############################################################################
RUSTC := rustc --edition 2021
RUSTFLAGS :=
ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
RUSTFLAGS += -g
endif
ifeq ($(CONFIG_DEBUG_NOOPT),y)
RUSTFLAGS += -C opt-level=0
endif
# Special handling for the SIM
ifeq ($(CONFIG_ARCH_SIM),y)
ifeq ($(CONFIG_HOST_LINUX),y)
ifeq ($(LLVM_ARCHTYPE),x86)
# Only for x86 based host or x64 but m32 build
RUSTFLAGS += --target i686-unknown-linux-$(LLVM_ABITYPE)
else
# For other archs, such as aarch64, arm etc
RUSTFLAGS += --target $(LLVM_ARCHTYPE)-unknown-linux-$(LLVM_ABITYPE)
endif
else ifeq ($(CONFIG_HOST_MACOS),y)
RUSTFLAGS += --target $(LLVM_ARCHTYPE)-apple-$(LLVM_ABITYPE)
endif
else ifeq ($(CONFIG_ARCH_RISCV),y)
# Traget triple is riscv[32|64][isa]-unknown-none-elf
RUSTFLAGS += --target $(LLVM_ARCHTYPE)i$(ARCHRVISAM)$(ARCHRVISAA)$(ARCHRVISAF)$(ARCHRVISAD)$(ARCHRVISAC)-unknown-none-elf
else
# For arm, but there are some other archs not support yet,
# such as xtensa, x86 bare metal, etc.
RUSTFLAGS += --target $(LLVM_ARCHTYPE)-none-$(LLVM_ABITYPE)
endif