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compiler_flags_template.cmake
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compiler_flags_template.cmake
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# Overview of used compiler properties for gcc / g++ compilers.
#
# Define the flags your toolchain support, and keep the unsupported flags empty.
#####################################################
# This section covers flags related to optimization #
#####################################################
set_compiler_property(PROPERTY no_optimization)
set_compiler_property(PROPERTY optimization_debug)
set_compiler_property(PROPERTY optimization_speed)
set_compiler_property(PROPERTY optimization_size)
set_compiler_property(PROPERTY optimization_size_aggressive)
#######################################################
# This section covers flags related to warning levels #
#######################################################
# Property for standard warning base in Zephyr, this will always bet set when compiling.
set_compiler_property(PROPERTY warning_base)
# GCC options for warning levels 1, 2, 3, when using `-DW=[1|2|3]`
# Property for warning levels 1, 2, 3 in Zephyr when using `-DW=[1|2|3]`
set_compiler_property(PROPERTY warning_dw_1)
set_compiler_property(PROPERTY warning_dw_2)
set_compiler_property(PROPERTY warning_dw_3)
# Extended warning set supported by the compiler
set_compiler_property(PROPERTY warning_extended)
# Compiler property that will issue error if a declaration does not specify a type
set_compiler_property(PROPERTY warning_error_implicit_int)
# Compiler flags to use when compiling according to MISRA
set_compiler_property(PROPERTY warning_error_misra_sane)
###########################################################################
# This section covers flags related to C or C++ standards / standard libs #
###########################################################################
# Compiler flags for C standard. The specific standard must be appended by user.
# For example, gcc specifies this as: set_compiler_property(PROPERTY cstd -std=)
set_compiler_property(PROPERTY cstd)
# Compiler flags for disabling C standard include and instead specify include
# dirs in nostdinc_include to use.
set_compiler_property(PROPERTY nostdinc)
set_compiler_property(PROPERTY nostdinc_include)
# Compiler flags for disabling C++ standard include.
set_property(TARGET compiler-cpp PROPERTY nostdincxx)
# Required C++ flags when compiling C++ code
set_property(TARGET compiler-cpp PROPERTY required)
# Compiler flags to use for specific C++ dialects
set_property(TARGET compiler-cpp PROPERTY dialect_cpp98)
set_property(TARGET compiler-cpp PROPERTY dialect_cpp11)
set_property(TARGET compiler-cpp PROPERTY dialect_cpp14)
set_property(TARGET compiler-cpp PROPERTY dialect_cpp17)
set_property(TARGET compiler-cpp PROPERTY dialect_cpp2a)
set_property(TARGET compiler-cpp PROPERTY dialect_cpp20)
set_property(TARGET compiler-cpp PROPERTY dialect_cpp2b)
# Flag for disabling strict aliasing rule in C and C++
set_compiler_property(PROPERTY no_strict_aliasing)
# Extra warnings options for twister run
set_property(TARGET compiler PROPERTY warnings_as_errors)
set_property(TARGET asm PROPERTY warnings_as_errors)
# Flag for disabling exceptions in C++
set_property(TARGET compiler-cpp PROPERTY no_exceptions)
# Flag for disabling rtti in C++
set_property(TARGET compiler-cpp PROPERTY no_rtti)
# Flag for disabling optimizations around printf return value
set_compiler_property(PROPERTY no_printf_return_value)
###################################################
# This section covers all remaining C / C++ flags #
###################################################
# Flags for coverage generation
set_compiler_property(PROPERTY coverage)
# Security canaries flags.
set_compiler_property(PROPERTY security_canaries)
set_compiler_property(PROPERTY security_fortify_compile_time)
set_compiler_property(PROPERTY security_fortify_run_time)
# Flag for a hosted (no-freestanding) application
set_compiler_property(PROPERTY hosted)
# gcc flag for a freestanding application
set_compiler_property(PROPERTY freestanding)
# Flag to include debugging symbol in compilation
set_compiler_property(PROPERTY debug)
# Flags to save temporary object files
set_compiler_property(PROPERTY save_temps)
# Flag to specify linker script
set_compiler_property(PROPERTY linker_script)
set_compiler_property(PROPERTY no_common)
# Flags for imacros. The specific header must be appended by user.
set_compiler_property(PROPERTY imacros)
# Compiler flag for turning off thread-safe initialization of local statics
set_property(TARGET compiler-cpp PROPERTY no_threadsafe_statics)
# Required ASM flags when compiling
set_property(TARGET asm PROPERTY required)
# Compiler flag for disabling pointer arithmetic warnings
set_compiler_property(PROPERTY warning_no_pointer_arithmetic)
# Compiler flags for disabling position independent code / executable
set_compiler_property(PROPERTY no_position_independent)
# Compiler flag to avoid combine more than one global variable into a single aggregate.
# gen_kobject_list.py is does not understand it and end up identifying objects as if
# they had the same address.
set_compiler_property(PROPERTY no_global_merge)
# Compiler flag for warning about shadow variables
set_compiler_property(PROPERTY warning_shadow_variables)
# Compiler flags to avoid recognizing built-in functions
set_compiler_property(PROPERTY no_builtin)
set_compiler_property(PROPERTY no_builtin_malloc)
# Compiler flag for defining specs. Used only by gcc, other compilers may keep
# this undefined.
set_compiler_property(PROPERTY specs)