# See the end of this file for copyright and license terms.

set(TOOLCHAIN_PATH "/usr/bin" CACHE STRING "Directory in which the toolchain binaries are located")

set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_PROCESSOR arm)
set(CMAKE_CROSSCOMPILING 1)
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)

set(CMAKE_AR		${TOOLCHAIN_PATH}/arm-none-eabi-ar${CMAKE_EXECUTABLE_SUFFIX})
set(CMAKE_ASM_COMPILER	${TOOLCHAIN_PATH}/arm-none-eabi-gcc${CMAKE_EXECUTABLE_SUFFIX})
set(CMAKE_C_COMPILER	${TOOLCHAIN_PATH}/arm-none-eabi-gcc${CMAKE_EXECUTABLE_SUFFIX})
set(CMAKE_LINKER	${TOOLCHAIN_PATH}/arm-none-eabi-ld${CMAKE_EXECUTABLE_SUFFIX})
set(CMAKE_OBJCOPY	${TOOLCHAIN_PATH}/arm-none-eabi-objcopy${CMAKE_EXECUTABLE_SUFFIX} CACHE INTERNAL "")
set(CMAKE_RANLIB	${TOOLCHAIN_PATH}/arm-none-eabi-ranlib${CMAKE_EXECUTABLE_SUFFIX} CACHE INTERNAL "")
set(CMAKE_SZE		${TOOLCHAIN_PATH}/arm-none-eabi-size${CMAKE_EXECUTABLE_SUFFIX} CACHE INTERNAL "")
set(CMAKE_STRIP		${TOOLCHAIN_PATH}/arm-none-eabi-strip${CMAKE_EXECUTABLE_SUFFIX} CACHE INTERNAL "")

set(CMAKE_C_FLAGS "-Os -nodefaultlibs -nostartfiles -mcpu=cortex-m3 -mabi=aapcs")
if(DEBUG)
	set(CMAKE_C_FLAGS "-g ${CMAKE_C_FLAGS}")
endif()

# see CMakeLists.txt for config.ld generation
set(CMAKE_LINKER_FLAGS "-T${CMAKE_BINARY_DIR}/config.ld -T${CMAKE_CURRENT_LIST_DIR}/flash.ld --whole-archive")
set(ARDIX_LINKER_FLAGS
	-T${CMAKE_BINARY_DIR}/config.ld
	-T${CMAKE_CURRENT_LIST_DIR}/flash.ld
	--whole-archive
)

set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)

# This file is part of Ardix.
# Copyright (c) 2021 Felix Kopp <owo@fef.moe>.
#
# Ardix is non-violent software: you may only use, redistribute,
# and/or modify it under the terms of the CNPLv6+ as found in
# the LICENSE file in the source code root directory or at
# <https://git.pixie.town/thufie/CNPL>.
#
# Ardix comes with ABSOLUTELY NO WARRANTY, to the extent
# permitted by applicable law.  See the CNPLv6+ for details.