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CMake: suppress GCC warnings stringop-overread & stringop-overflow 

As noted in comments, there are a lot of false positives which can't
be conveniently suppressed. Many of these warnings were caused by
`float x, y, z` being passed as `float[3]` using a pointer to `x`.
This commit is contained in:
Campbell Barton 2023-01-15 23:29:02 +11:00
parent fc9c818531
commit 82bd020a30
1 changed files with 6 additions and 0 deletions
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6
CMakeLists.txt
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@ -1427,6 +1427,9 @@ if(CMAKE_COMPILER_IS_GNUCC)
add_check_c_compiler_flag(C_WARNINGS C_WARN_TYPE_LIMITS -Wtype-limits)
add_check_c_compiler_flag(C_WARNINGS C_WARN_FORMAT_SIGN -Wformat-signedness)
add_check_c_compiler_flag(C_WARNINGS C_WARN_RESTRICT -Wrestrict)
# Useful but too many false positives and inconvenient to suppress each occurrence.
add_check_c_compiler_flag(C_WARNINGS C_WARN_NO_STRINGOP_OVERREAD -Wno-stringop-overread)
add_check_c_compiler_flag(C_WARNINGS C_WARN_NO_STRINGOP_OVERFLOW -Wno-stringop-overflow)
# C-only.
add_check_c_compiler_flag(C_WARNINGS C_WARN_NO_NULL -Wnonnull)
@ -1466,6 +1469,9 @@ if(CMAKE_COMPILER_IS_GNUCC)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_RESTRICT -Wrestrict)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_NO_SUGGEST_OVERRIDE -Wno-suggest-override)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_UNINITIALIZED -Wuninitialized)
# Useful but too many false positives and inconvenient to suppress each occurrence.
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_NO_STRINGOP_OVERREAD -Wno-stringop-overread)
add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_NO_STRINGOP_OVERFLOW -Wno-stringop-overflow)
# causes too many warnings
if(NOT APPLE)