##
##   ______                              _
##  / _____)             _              | |
## ( (____  _____ ____ _| |_ _____  ____| |__
##  \____ \| ___ |    (_   _) ___ |/ ___)  _ \
##  _____) ) ____| | | || |_| ____( (___| | | |
## (______/|_____)_|_|_| \__)_____)\____)_| |_|
## (C)2013-2018 Semtech
##  ___ _____ _   ___ _  _____ ___  ___  ___ ___
## / __|_   _/_\ / __| |/ / __/ _ \| _ \/ __| __|
## \__ \ | |/ _ \ (__| ' <| _| (_) |   / (__| _|
## |___/ |_/_/ \_\___|_|\_\_| \___/|_|_\\___|___|
## embedded.connectivity.solutions.==============
##
## License:  Revised BSD License, see LICENSE.TXT file included in the project
## Authors:  Johannes Bruder ( STACKFORCE ), Miguel Luis ( Semtech )
##
##
## STM32L4 target specific CMake file
##

if(NOT DEFINED LINKER_SCRIPT)
message(FATAL_ERROR "No linker script defined")
endif(NOT DEFINED LINKER_SCRIPT)
message("Linker script: ${LINKER_SCRIPT}")


#---------------------------------------------------------------------------------------
# Set compiler/linker flags
#---------------------------------------------------------------------------------------

# Object build options
set(OBJECT_GEN_FLAGS "-Og -g -mthumb -g2 -fno-builtin -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=softfp -Wall -Wextra -pedantic -Wno-unused-parameter -ffunction-sections -fdata-sections -fomit-frame-pointer -mabi=aapcs -fno-unroll-loops -ffast-math -ftree-vectorize")

set(CMAKE_C_FLAGS "${OBJECT_GEN_FLAGS} -std=gnu99 " CACHE INTERNAL "C Compiler options")
set(CMAKE_CXX_FLAGS "${OBJECT_GEN_FLAGS} -std=c++11 " CACHE INTERNAL "C++ Compiler options")
set(CMAKE_ASM_FLAGS "${OBJECT_GEN_FLAGS} -x assembler-with-cpp " CACHE INTERNAL "ASM Compiler options")

# Linker flags
set(CMAKE_EXE_LINKER_FLAGS "-Wl,--gc-sections --specs=nano.specs --specs=nosys.specs -mthumb -g2 -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=softfp -mabi=aapcs -T${LINKER_SCRIPT} -Wl,-Map=${CMAKE_PROJECT_NAME}.map" CACHE INTERNAL "Linker options")