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cmake: in macro generate_compiler_warning_flags prevent duplicates in variable containing unsupported warnings

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Signed-off-by: Ralf Habacker <ralf.habacker@freenet.de>
This commit is contained in:
Ralf Habacker 2022-04-07 13:57:35 +02:00 • committed by Simon McVittie
parent fb5449e08f
commit f075650634
1 changed files with 4 additions and 3 deletions
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7
cmake/modules/Macros.cmake
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@ -157,6 +157,7 @@ macro(generate_compiler_warning_flags)
unset(USED)
unset(USED_WARNINGS)
unset(USED_DISABLED)
unset(USED_UNSUPPORTED)
if(MSVC)
# level 1 is default
@ -175,7 +176,7 @@ macro(generate_compiler_warning_flags)
if(_flag_supported)
set(temp "${temp} ${error_prefix}${warning}")
list(APPEND USED ${warning})
else()
elseif(NOT warning IN_LIST USED_UNSUPPORTED)
list(APPEND USED_UNSUPPORTED ${warning})
endif()
endforeach()
@ -191,7 +192,7 @@ macro(generate_compiler_warning_flags)
set(temp "${temp} ${enabled_prefix}${warning}")
list(APPEND USED_WARNINGS ${warning})
list(APPEND USED ${warning})
else()
elseif(NOT warning IN_LIST USED_UNSUPPORTED)
list(APPEND USED_UNSUPPORTED ${warning})
endif()
endif()
@ -208,7 +209,7 @@ macro(generate_compiler_warning_flags)
set(temp "${temp} ${disabled_prefix}${warning}")
list(APPEND USED_DISABLED ${warning})
list(APPEND USED ${warning})
else()
elseif(NOT warning IN_LIST USED_UNSUPPORTED)
list(APPEND USED_UNSUPPORTED ${warning})
endif()
endif()