zephyr/cmake/compiler/gcc/target_warnings.cmake

118 lines
2.3 KiB
CMake

# SPDX-License-Identifier: Apache-2.0
# See root CMakeLists.txt for description and expectations of these macros
macro(toolchain_cc_warning_base)
zephyr_compile_options(
-Wall
-Wformat
-Wformat-security
-Wno-format-zero-length
-Wno-main
)
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "9.1.0")
zephyr_compile_options(
# FIXME: Remove once #16587 is fixed
-Wno-address-of-packed-member
)
endif()
zephyr_cc_option(-Wno-pointer-sign)
# Prohibit void pointer arithmetic. Illegal in C99
zephyr_cc_option(-Wpointer-arith)
endmacro()
macro(toolchain_cc_warning_dw_1)
zephyr_compile_options(
-Wextra
-Wunused
-Wno-unused-parameter
-Wmissing-declarations
-Wmissing-format-attribute
)
zephyr_cc_option(
-Wold-style-definition
-Wmissing-prototypes
-Wmissing-include-dirs
-Wunused-but-set-variable
-Wno-missing-field-initializers
)
endmacro()
macro(toolchain_cc_warning_dw_2)
zephyr_compile_options(
-Waggregate-return
-Wcast-align
-Wdisabled-optimization
-Wnested-externs
-Wshadow
)
zephyr_cc_option(
-Wlogical-op
-Wmissing-field-initializers
)
endmacro()
macro(toolchain_cc_warning_dw_3)
zephyr_compile_options(
-Wbad-function-cast
-Wcast-qual
-Wconversion
-Wpacked
-Wpadded
-Wpointer-arith
-Wredundant-decls
-Wswitch-default
)
zephyr_cc_option(
-Wpacked-bitfield-compat
-Wvla
)
endmacro()
macro(toolchain_cc_warning_extended)
zephyr_cc_option(
-Wno-unused-but-set-variable
)
endmacro()
macro(toolchain_cc_warning_error_implicit_int)
# Force an error when things like SYS_INIT(foo, ...) occur with a missing header
zephyr_cc_option(-Werror=implicit-int)
endmacro()
#
# The following macros leaves it up to the root CMakeLists.txt to choose
# the variables in which to put the requested flags, and whether or not
# to call the macros
#
macro(toolchain_cc_warning_error_misra_sane dest_var_name)
set_ifndef(${dest_var_name} "-Werror=vla")
endmacro()
macro(toolchain_cc_cpp_warning_error_misra_sane dest_var_name)
set_ifndef(${dest_var_name} "-Werror=vla")
endmacro()
# List the warnings that are not supported for C++ compilations
list(APPEND CXX_EXCLUDED_OPTIONS
-Werror=implicit-int
-Wold-style-definition
)