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[libc] build with -Werror #73966

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merged 4 commits into from Dec 4, 2023
Merged

[libc] build with -Werror #73966

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ca08f81
[libc] build with -Werror
nickdesaulniers Nov 30, 2023
eb6bac4
add LLVM_LIBC_WNO_ERROR config
nickdesaulniers Dec 1, 2023
1fa2e4d
s/LLVM_//
nickdesaulniers Dec 4, 2023
a224d0b
add note to coding style docs about no warnings
nickdesaulniers Dec 4, 2023
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4 changes: 4 additions & 0 deletions libc/cmake/modules/LLVMLibCObjectRules.cmake
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Expand Up @@ -43,6 +43,10 @@ function(_get_common_compile_options output_var flags)
list(APPEND compile_options "-fno-rtti")
list(APPEND compile_options "-Wall")
list(APPEND compile_options "-Wextra")
# -DLLVM_LIBC_WNO_ERROR=ON if you can't build cleanly with -Werror.
if(NOT LLVM_LIBC_WNO_ERROR)
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list(APPEND compile_options "-Werror")
endif()
list(APPEND compile_options "-Wconversion")
list(APPEND compile_options "-Wno-sign-conversion")
list(APPEND compile_options "-Wimplicit-fallthrough")
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