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tar: make safe for -Wunused-parameter

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This also ports to C23 [[maybe_unused]].
* configure.ac (WARN_CFLAGS): Do not add -Wno-unused-parameter.
Add MAYBE_UNUSED where needed in source code.
Also, put it at the front where C23 requires it.
This commit is contained in:
Paul Eggert
2023-06-25 13:54:14 -07:00
parent fdff045d4b
commit 2ccd643d01
14 changed files with 108 additions and 110 deletions
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configure.ac
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@@ -189,7 +189,6 @@ if test "$gl_gcc_warnings" = yes; then
done
gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
gl_WARN_ADD([-Wno-type-limits]) # It's OK to optimize based on types.
gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
gl_WARN_ADD([-Wno-format-nonliteral])
gl_WARN_ADD([-fdiagnostics-show-option])