b329e2377d
1.It make sense to let Toolchain.defs give the default value 2.The board can still change if the default isn't suitable 3.Avoid the same definition spread more than 200 Make.defs Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com> Change-Id: Ic2649f1c7689bcf59c105ca8db61cad45b6e0e64
117 lines
3.2 KiB
Plaintext
117 lines
3.2 KiB
Plaintext
############################################################################
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# arch/arm/src/armv7-r/Toolchain.defs
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership. The
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# ASF licenses this file to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance with the
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# License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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############################################################################
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# Setup for the selected toolchain
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#
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# Select and allow the selected toolchain to be overridden by a command-line
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#selection.
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#
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ifeq ($(filter y, \
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$(CONFIG_ARMV7R_TOOLCHAIN_BUILDROOT) \
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),y)
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CONFIG_ARMV7R_TOOLCHAIN ?= BUILDROOT
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endif
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ifeq ($(filter y, \
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$(CONFIG_ARMV7R_TOOLCHAIN_GNU_EABIL) \
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),y)
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CONFIG_ARMV7R_TOOLCHAIN ?= GNU_EABI
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endif
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ifeq ($(filter y, \
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$(CONFIG_ARMV7R_TOOLCHAIN_GNU_EABIW) \
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),y)
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CONFIG_ARMV7R_TOOLCHAIN ?= GNU_EABI
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endif
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#
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# Supported toolchains
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#
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# Each toolchain definition should set:
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#
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# CROSSDEV The GNU toolchain triple (command prefix)
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# ARCROSSDEV If required, an alternative prefix used when
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# invoking ar and nm.
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# ARCHCPUFLAGS CPU-specific flags selecting the instruction set
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# FPU options, etc.
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# MAXOPTIMIZATION The maximum optimization level that results in
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# reliable code generation.
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#
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ifeq ($(CONFIG_DEBUG_CUSTOMOPT),y)
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MAXOPTIMIZATION := $(CONFIG_DEBUG_OPTLEVEL)
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endif
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ifeq ($(CONFIG_ENDIAN_BIG),y)
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TARGET_ARCH := armeb
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else
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TARGET_ARCH := arm
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endif
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# NuttX buildroot under Linux or Cygwin
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ifeq ($(CONFIG_ARMV7R_TOOLCHAIN),BUILDROOT)
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ifeq ($(CONFIG_ARMV7R_OABI_TOOLCHAIN),y)
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CROSSDEV ?= $(TARGET_ARCH)-nuttx-elf-
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ARCROSSDEV ?= $(TARGET_ARCH)-nuttx-elf-
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else
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CROSSDEV ?= $(TARGET_ARCH)-nuttx-eabi-
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ARCROSSDEV ?= $(TARGET_ARCH)-nuttx-eabi-
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endif
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MAXOPTIMIZATION ?= -Os
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endif
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# Generic GNU EABI toolchain
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ifeq ($(CONFIG_ARMV7R_TOOLCHAIN),GNU_EABI)
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CROSSDEV ?= $(TARGET_ARCH)-none-eabi-
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ARCROSSDEV ?= $(TARGET_ARCH)-none-eabi-
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MAXOPTIMIZATION ?= -Os
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endif
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# Default toolchain
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CC = $(CROSSDEV)gcc
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CXX = $(CROSSDEV)g++
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CPP = $(CROSSDEV)gcc -E -P -x c
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LD = $(CROSSDEV)ld
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STRIP = $(CROSSDEV)strip --strip-unneeded
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AR = $(ARCROSSDEV)ar rcs
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NM = $(ARCROSSDEV)nm
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OBJCOPY = $(CROSSDEV)objcopy
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OBJDUMP = $(CROSSDEV)objdump
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# Add the builtin library
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EXTRA_LIBS += -lgcc
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EXTRA_LIBPATHS += -L "${dir ${shell $(CC) $(ARCHCPUFLAGS) --print-libgcc-file-name}}"
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ifneq ($(CONFIG_LIBM),y)
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EXTRA_LIBS += -lm
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EXTRA_LIBPATHS += -L "${dir ${shell $(CC) $(ARCHCPUFLAGS) --print-file-name=libm.a}}"
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endif
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ifeq ($(CONFIG_CXX_LIBSUPCXX),y)
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EXTRA_LIBS += -lsupc++
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EXTRA_LIBPATHS += -L "${dir ${shell $(CC) $(ARCHCPUFLAGS) --print-file-name=libsupc++.a}}"
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endif
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