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MDEV-36542: apply clang -Werror=uninitialized to catch dubious initializations

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clang has rather correct error detection in its
implementation of the -Werror=uninitialized* set of C/CXX flags.

Use them by default.
This commit is contained in:
Daniel Black
2025-06-11 15:07:55 +10:00
parent 6fd57f478f
commit 0c80ddb519
1 changed files with 8 additions and 0 deletions
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8
cmake/maintainer.cmake
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@@ -68,6 +68,14 @@ IF(CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_LESS
SET(MY_ERROR_FLAGS ${MY_ERROR_FLAGS} -Wno-error=non-virtual-dtor) # gcc bug 7302
ENDIF()
FOREACH(LANG C CXX)
IF(CMAKE_${LANG}_COMPILER_ID MATCHES "Clang")
MY_CHECK_AND_SET_COMPILER_FLAG(-Werror=uninitialized-explicit-init)
MY_CHECK_AND_SET_COMPILER_FLAG(-Werror=uninitialized-const-reference)
SET(CMAKE_${LANG}_FLAGS "${CMAKE_${LANG}_FLAGS} -Werror=uninitialized")
ENDIF()
ENDFOREACH()
IF(MYSQL_MAINTAINER_MODE MATCHES "OFF|WARN")
RETURN()
ELSEIF(MYSQL_MAINTAINER_MODE MATCHES "AUTO")