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BaseTools/tools_def: Disable overzealous unused variable warning on Clang 

The warnings Clang emits when enabling -Wunneeded-internal-declaration
(which is part of -Wall) are generating false positives for variables
whose size gets taken but are not referenced beyond yet.

This may happen legitimately in debug code, so let's disable this
warning for Clang, rather than tiptoe around it in the code.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Rebecca Cran <rebecca@bsdio.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Ard Biesheuvel 2023-05-10 16:44:09 +02:00 committed by mergify[bot]
parent e2607d3a78
commit d322557712
1 changed files with 1 additions and 1 deletions
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BaseTools/Conf/tools_def.template
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@ -1858,7 +1858,7 @@ DEFINE CLANGDWARF_X64_DLINK2_FLAGS = -Wl,--defsym=PECOFF_HEADER_SIZE=0x22
DEFINE CLANGDWARF_IA32_TARGET = -target i686-pc-linux-gnu
DEFINE CLANGDWARF_X64_TARGET = -target x86_64-pc-linux-gnu
DEFINE CLANGDWARF_WARNING_OVERRIDES = -Wno-parentheses-equality -Wno-tautological-compare -Wno-tautological-constant-out-of-range-compare -Wno-empty-body -Wno-unused-const-variable -Wno-varargs -Wno-unknown-warning-option -Wno-unused-but-set-variable -Wno-unused-const-variable -Wno-unaligned-access
DEFINE CLANGDWARF_WARNING_OVERRIDES = -Wno-parentheses-equality -Wno-tautological-compare -Wno-tautological-constant-out-of-range-compare -Wno-empty-body -Wno-unused-const-variable -Wno-varargs -Wno-unknown-warning-option -Wno-unused-but-set-variable -Wno-unused-const-variable -Wno-unaligned-access -Wno-unneeded-internal-declaration
DEFINE CLANGDWARF_ALL_CC_FLAGS = DEF(GCC48_ALL_CC_FLAGS) DEF(CLANGDWARF_WARNING_OVERRIDES) -fno-stack-protector -mms-bitfields -Wno-address -Wno-shift-negative-value -Wno-unknown-pragmas -Wno-incompatible-library-redeclaration -fno-asynchronous-unwind-tables -mno-sse -mno-mmx -msoft-float -mno-implicit-float -ftrap-function=undefined_behavior_has_been_optimized_away_by_clang -funsigned-char -fno-ms-extensions -Wno-null-dereference
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