|  | # SPDX-License-Identifier: Apache-2.0 | 
|  |  | 
|  | foreach(extra_flags EXTRA_CPPFLAGS EXTRA_LDFLAGS EXTRA_CFLAGS EXTRA_CXXFLAGS EXTRA_AFLAGS) | 
|  | list(LENGTH ${extra_flags} flags_length) | 
|  | if(flags_length LESS_EQUAL 1) | 
|  | # A length of zero means no argument. | 
|  | # A length of one means a single argument or a space separated list was provided. | 
|  | # In both cases, it is safe to do a separate_arguments on the argument. | 
|  | separate_arguments(${extra_flags}_AS_LIST UNIX_COMMAND ${${extra_flags}}) | 
|  | else() | 
|  | # Already a proper list, no conversion needed. | 
|  | set(${extra_flags}_AS_LIST "${${extra_flags}}") | 
|  | endif() | 
|  | endforeach() | 
|  |  | 
|  | if(EXTRA_CPPFLAGS) | 
|  | zephyr_compile_options(${EXTRA_CPPFLAGS_AS_LIST}) | 
|  | endif() | 
|  | if(EXTRA_LDFLAGS) | 
|  | zephyr_link_libraries(${EXTRA_LDFLAGS_AS_LIST}) | 
|  | endif() | 
|  | if(EXTRA_CFLAGS) | 
|  | foreach(F ${EXTRA_CFLAGS_AS_LIST}) | 
|  | zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:${F}>) | 
|  | endforeach() | 
|  | endif() | 
|  | if(EXTRA_CXXFLAGS) | 
|  | foreach(F ${EXTRA_CXXFLAGS_AS_LIST}) | 
|  | zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:${F}>) | 
|  | endforeach() | 
|  | endif() | 
|  | if(EXTRA_AFLAGS) | 
|  | foreach(F ${EXTRA_AFLAGS_AS_LIST}) | 
|  | zephyr_compile_options($<$<COMPILE_LANGUAGE:ASM>:${F}>) | 
|  | endforeach() | 
|  | endif() |