# Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.

# SPDX-License-Identifier: MIT

set(common_flags "")
set(c_flags "")
set(MARCH ${CONFIG_MARCH})
set(MABI ${CONFIG_MABI})
set(MEXTRA ${CONFIG_MEXTRA})

set(linker_flags "-Wl,--print-memory-usage,-Map=${TARGET_NAME}.map,--gc-sections")
set(WARNINGS "-Werror -Wall -Wextra -Wshadow -Wpointer-arith -Wbad-function-cast -Waggregate-return -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wno-comment")

if(CONFIG_LTO_OPTIMIZATION)
set(LTO_OPTIONS "-flto -ffat-lto-objects")
endif()

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2 -g -ffunction-sections -fdata-sections -fno-common -fgnu89-inline -march=${MARCH} -mabi=${MABI} ${MEXTRA} ${LTO_OPTIONS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --specs=nano.specs --specs=nosys.specs")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2 -g -ffunction-sections -fdata-sections -fno-common -fgnu89-inline -march=${MARCH} -mabi=${MABI} ${MEXTRA} ${LTO_OPTIONS} -nostdlib ${WARNINGS}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --specs=nano.specs --specs=nosys.specs")
string(APPEND CMAKE_C_FLAGS " -U__UINT32_TYPE__ -D\"__UINT32_TYPE__=unsigned int\" -U__INT32_TYPE__ -D\"__INT32_TYPE__=int\" ")

if(CONFIG_BACKTRACE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-omit-frame-pointer -fno-optimize-sibling-calls")
endif()

if(CONFIG_STACK_PROTECTOR_STRONG)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstack-protector-strong")
endif()

if(CONFIG_M_SAVE_RESTORE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msave-restore")
endif()

set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -O2 -g -ffunction-sections -fdata-sections -fno-common -fgnu89-inline -march=${MARCH} -mabi=${MABI} ${MEXTRA} ${LTO_OPTIONS} -D__ASM")
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} --specs=nano.specs --specs=nosys.specs")