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[libc] -Wimplicit-fallthrough, -Wwrite-strings and non-GCC warnings #124036

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Merged
merged 10 commits into from
Feb 7, 2025
Merged

[libc] -Wimplicit-fallthrough, -Wwrite-strings and non-GCC warnings #124036

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d600a01
-Wwrite-strings
vinay-deshmukh Jan 22, 2025
1c5c871
-Wimplicit-fallthrough
vinay-deshmukh Jan 22, 2025
51b9c57
non GCC warnings
vinay-deshmukh Jan 23, 2025
3cc6100
Merge remote-tracking branch 'upstream/main' into vinay-issue-119281-…
vinay-deshmukh Jan 23, 2025
be9ec1a
PR review comments
vinay-deshmukh Jan 25, 2025
ff3b741
Merge remote-tracking branch 'upstream/main' into vinay-issue-119281-…
vinay-deshmukh Jan 25, 2025
56c7755
Move `-Wextra-semi` and `-Wstrict-prototypes` back to Clang only
vinay-deshmukh Jan 29, 2025
519bf7b
Merge remote-tracking branch 'upstream/main' into vinay-issue-119281-…
vinay-deshmukh Jan 29, 2025
d8bf783
Update LLVMLibCTestRules.cmake
vinay-deshmukh Feb 5, 2025
9c91ac9
Fix NL
vinay-deshmukh Feb 6, 2025
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9 changes: 2 additions & 7 deletions libc/cmake/modules/LLVMLibCTestRules.cmake
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Original file line number Diff line number Diff line change
@@ -1,11 +1,6 @@
function(_get_common_test_compile_options output_var c_test flags)
_get_compile_options_from_flags(compile_flags ${flags})

# Remove -fno-math-errno if it was added.
if(LIBC_ADD_FNO_MATH_ERRNO)
list(REMOVE_ITEM compile_options "-fno-math-errno")
endif()
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@nickdesaulniers nickdesaulniers Feb 4, 2025

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Did you intend to remove this?

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@vinay-deshmukh vinay-deshmukh Feb 5, 2025

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IIRFC yes, Oh I just realized that's removing -fno-math-error

let me revert that change


set(compile_options
${LIBC_COMPILE_OPTIONS_DEFAULT}
${LIBC_TEST_COMPILE_OPTIONS_DEFAULT}
Expand Down Expand Up @@ -39,9 +34,7 @@ function(_get_common_test_compile_options output_var c_test flags)
# list(APPEND compile_options "-Wconversion")
# list(APPEND compile_options "-Wno-sign-conversion")
list(APPEND compile_options "-Wimplicit-fallthrough")
list(APPEND compile_options "-Wstrict-prototypes")
list(APPEND compile_options "-Wwrite-strings")
list(APPEND compile_options "-Wextra-semi")
# Silence this warning because _Complex is a part of C99.
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
if(NOT c_test)
Expand All @@ -53,6 +46,8 @@ function(_get_common_test_compile_options output_var c_test flags)
endif()
list(APPEND compile_options "-Wno-pedantic")
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
list(APPEND compile_options "-Wstrict-prototypes")
list(APPEND compile_options "-Wextra-semi")
list(APPEND compile_options "-Wnewline-eof")
list(APPEND compile_options "-Wnonportable-system-include-path")
list(APPEND compile_options "-Wthread-safety")
Expand Down
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