bd278514e7
Rewrote the warning levels for toolchain IAR as IAR tools just turn off warnings, not on. Also did some minor cleanup for coding guidelines. Signed-off-by: Lars-Ove Karlsson <lars-ove.karlsson@iar.com>
194 lines
8.0 KiB
CMake
194 lines
8.0 KiB
CMake
# Copyright (c) 2025 IAR Systems AB
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#
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# SPDX-License-Identifier: Apache-2.0
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# Compiler options for the IAR C/C++ Compiler for Arm
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#####################################################
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# This section covers flags related to optimization #
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#####################################################
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set_compiler_property(PROPERTY no_optimization -On)
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set_compiler_property(PROPERTY optimization_debug -Ol)
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set_compiler_property(PROPERTY optimization_speed -Ohs)
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set_compiler_property(PROPERTY optimization_size -Ohz)
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set_compiler_property(PROPERTY optimization_size_aggressive -Ohz)
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set_compiler_property(PROPERTY optimization_fast --no_size_constraints)
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#######################################################
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# This section covers flags related to warning levels #
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#######################################################
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# -DW=... settings
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#
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# W=1 - warnings that may be relevant and does not occur too often
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# W=2 - warnings that occur quite often but may still be relevant
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# W=3 - the more obscure warnings, can most likely be ignored
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set(IAR_SUPPRESSED_WARNINGS)
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# Set basic suppressed warning first
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# Pe223: function "xxx" declared implicitly
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# Pe054: too few arguments in invocation of macro
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# Pe1675: unrecognized GCC pragma
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# Pe111: statement is unreachable
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# Pe1143: arithmetic on pointer to void or function type
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# Pe068: integer conversion resulted in a change of sign
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list(APPEND IAR_SUPPRESSED_WARNINGS
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--diag_suppress=Pe068,Pe1143,Pe111,Pe1675,Pe054,Pe223)
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# Since IAR does not turn on warnings we do this backwards
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# by not suppressing warnings on higher levels.
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if(NOT W MATCHES "3")
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# Pe381: extra ";" ignored
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list(APPEND IAR_SUPPRESSED_WARNINGS --diag_suppress=Pe381)
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endif()
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if(NOT W MATCHES "2" AND NOT W MATCHES "3")
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# Pe1097: unknown attribute
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# Pa082: undefined behavior: the order of volatile accesses is undefined
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# Pa084: pointless integer comparison, the result is always false
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# Pe185: dynamic initialization in unreachable code
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# Pe167: argument of type "onoff_notify_fn" is incompatible with...
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# Pe144: a value of type "void *" cannot be used to initialize...
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# Pe177: function "xxx" was declared but never referenced
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# Pe513: a value of type "void *" cannot be assigned to an
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# entity of type "int (*)(int)"
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list(APPEND IAR_SUPPRESSED_WARNINGS
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--diag_suppress=Pe513,Pe177,Pe144,Pe167,Pe185,Pa084,Pa082,Pe1097)
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endif()
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if(NOT W MATCHES "1" AND NOT W MATCHES "2" AND NOT W MATCHES "3")
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# Pe188: enumerated type mixed with another type
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# Pe128: loop is not reachable
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# Pe550: variable "res" was set but never used
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# Pe546: transfer of control bypasses initialization
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# Pe186: pointless comparison of unsigned integer with zero
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# Pe054: too few arguments in invocation of macro xxx
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# Pe144: a value of type "void *" cannot be used to initialize an
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# entity of type [...] "void (*)(struct onoff_manager *, int)"
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# Pe167: argument of type "void *" is incompatible with [...]
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# "void (*)(void *, void *, void *)"
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list(APPEND IAR_SUPPRESSED_WARNINGS
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--diag_suppress=Pe054,Pe186,Pe546,Pe550,Pe128,Pe188,Pe144,Pe167)
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endif()
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set_compiler_property(PROPERTY warning_base ${IAR_SUPPRESSED_WARNINGS})
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# Extended warning set supported by the compiler
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set_compiler_property(PROPERTY warning_extended)
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# Compiler property that will issue error if a declaration does not specify a type
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set_compiler_property(PROPERTY warning_error_implicit_int)
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# Compiler flags to use when compiling according to MISRA
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set_compiler_property(PROPERTY warning_error_misra_sane)
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set_property(TARGET compiler PROPERTY warnings_as_errors --warnings_are_errors)
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###########################################################################
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# This section covers flags related to C or C++ standards / standard libs #
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###########################################################################
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# Compiler flags for C standard. The specific standard must be appended by user.
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# For example, gcc specifies this as: set_compiler_property(PROPERTY cstd -std=)
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# TC-WG: the `cstd99` is used regardless of this flag being useful for iccarm
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# This flag will make it a symbol. Works for C,CXX,ASM
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# Since ICCARM does not use C standard flags, we just make them a defined symbol
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# instead
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set_compiler_property(PROPERTY cstd -D__IAR_CSTD_)
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# Compiler flags for disabling C standard include and instead specify include
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# dirs in nostdinc_include to use.
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set_compiler_property(PROPERTY nostdinc)
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set_compiler_property(PROPERTY nostdinc_include)
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# Compiler flags for disabling C++ standard include.
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set_compiler_property(TARGET compiler-cpp PROPERTY nostdincxx)
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# Required C++ flags when compiling C++ code
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set_property(TARGET compiler-cpp PROPERTY required --c++)
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# Compiler flags to use for specific C++ dialects
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set_property(TARGET compiler-cpp PROPERTY dialect_cpp98)
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set_property(TARGET compiler-cpp PROPERTY dialect_cpp11)
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set_property(TARGET compiler-cpp PROPERTY dialect_cpp14)
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set_property(TARGET compiler-cpp PROPERTY dialect_cpp17 --libc++)
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set_property(TARGET compiler-cpp PROPERTY dialect_cpp2a --libc++)
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set_property(TARGET compiler-cpp PROPERTY dialect_cpp20 --libc++)
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set_property(TARGET compiler-cpp PROPERTY dialect_cpp2b --libc++)
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# Flag for disabling strict aliasing rule in C and C++
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set_compiler_property(PROPERTY no_strict_aliasing)
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# Flag for disabling exceptions in C++
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set_property(TARGET compiler-cpp PROPERTY no_exceptions --no_exceptions)
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# Flag for disabling rtti in C++
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set_property(TARGET compiler-cpp PROPERTY no_rtti --no_rtti)
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###################################################
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# This section covers all remaining C / C++ flags #
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###################################################
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# Flags for coverage generation
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set_compiler_property(PROPERTY coverage)
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# Security canaries flags.
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set_compiler_property(PROPERTY security_canaries --stack_protection)
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set_compiler_property(PROPERTY security_canaries_strong --stack_protection)
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set_compiler_property(PROPERTY security_canaries_all --security_canaries_all_is_not_supported)
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set_compiler_property(PROPERTY security_canaries_explicit --security_canaries_explicit_is_not_supported)
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if(CONFIG_STACK_CANARIES_TLS)
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check_set_compiler_property(APPEND PROPERTY security_canaries --stack_protector_guard=tls)
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check_set_compiler_property(APPEND PROPERTY security_canaries_strong --stack_protector_guard=tls)
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check_set_compiler_property(APPEND PROPERTY security_canaries_all --stack_protector_guard=tls)
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check_set_compiler_property(APPEND PROPERTY security_canaries_explicit --stack_protector_guard=tls)
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endif()
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set_compiler_property(PROPERTY security_fortify)
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# Flag for a hosted (no-freestanding) application
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set_compiler_property(PROPERTY hosted)
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# gcc flag for a freestanding application
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set_compiler_property(PROPERTY freestanding)
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# Flag to include debugging symbol in compilation
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set_property(TARGET compiler PROPERTY debug --debug)
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set_property(TARGET compiler-cpp PROPERTY debug --debug)
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set_compiler_property(PROPERTY no_common)
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# Flags for imacros. The specific header must be appended by user.
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set_property(TARGET compiler PROPERTY imacros --preinclude)
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set_property(TARGET compiler-cpp PROPERTY imacros --preinclude)
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set_property(TARGET asm PROPERTY imacros -imacros)
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# Compiler flag for turning off thread-safe initialization of local statics
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set_property(TARGET compiler-cpp PROPERTY no_threadsafe_statics)
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# Required ASM flags when compiling
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set_property(TARGET asm PROPERTY required)
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# Compiler flag for disabling pointer arithmetic warnings
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set_compiler_property(PROPERTY warning_no_pointer_arithmetic)
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# Compiler flag for warning about shadow variables
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set_compiler_property(PROPERTY warning_shadow_variables)
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# Compiler flag for disabling warning about array bounds
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set_compiler_property(PROPERTY warning_no_array_bounds)
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# Compiler flags for disabling position independent code / executable
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set_compiler_property(PROPERTY no_position_independent)
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# Compiler flag for defining preinclude files.
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set_compiler_property(PROPERTY include_file --preinclude)
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set_compiler_property(PROPERTY cmse --cmse)
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set_property(TARGET asm PROPERTY cmse -mcmse)
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