2c3020ddaf
to more compatable with clang: https://reviews.llvm.org/D25338 Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
90 lines
2.6 KiB
Text
90 lines
2.6 KiB
Text
############################################################################
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# arch/xtensa/src/lx6/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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# 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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# 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 ($(CONFIG_XTENSA_TOOLCHAIN_XCC), y)
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CROSSDEV = xt-
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endif
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ifeq ($(CONFIG_XTENSA_TOOLCHAIN_XCLANG), y)
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CROSSDEV = xt-
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endif
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ifeq ($(CONFIG_XTENSA_TOOLCHAIN_ESP), y)
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CROSSDEV = xtensa-esp32-elf-
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endif
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ARCHCPUFLAGS =
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ifeq ($(CONFIG_DEBUG_CUSTOMOPT),y)
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MAXOPTIMIZATION := $(CONFIG_DEBUG_OPTLEVEL)
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else
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MAXOPTIMIZATION ?= -Os
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endif
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ifeq ($(CONFIG_FRAME_POINTER),y)
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MAXOPTIMIZATION += -fno-omit-frame-pointer -fno-optimize-sibling-calls
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else
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MAXOPTIMIZATION += -fomit-frame-pointer
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endif
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# Default toolchain
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ifeq ($(CONFIG_XTENSA_TOOLCHAIN_XCC), y)
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CC = $(CROSSDEV)xcc
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CXX = $(CROSSDEV)xc++
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CPP = $(CROSSDEV)xcc -E -P -x c
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else ifeq ($(CONFIG_XTENSA_TOOLCHAIN_XCLANG), y)
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CC = $(CROSSDEV)clang
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CXX = $(CROSSDEV)clang++
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CPP = $(CROSSDEV)clang -E -P -x c
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else
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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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endif
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LD = $(CROSSDEV)ld
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STRIP = $(CROSSDEV)strip --strip-unneeded
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AR = $(CROSSDEV)ar rcs
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NM = $(CROSSDEV)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 += ${shell $(CC) $(ARCHCPUFLAGS) --print-libgcc-file-name}
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ifneq ($(CONFIG_LIBM),y)
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EXTRA_LIBS += ${wildcard ${shell $(CC) $(ARCHCPUFLAGS) --print-file-name=libm.a}}
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endif
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ifeq ($(CONFIG_LIBSUPCXX),y)
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EXTRA_LIBS += ${shell $(CC) $(ARCHCPUFLAGS) --print-file-name=libsupc++.a}
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endif
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