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Surface a better CMake error if the user passes an invalid sanitizer name

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This commit is contained in:
Tim Wojtulewicz 2022-10-05 17:45:11 -07:00
parent 3656699e2f
commit 0ba53de80e
1 changed files with 12 additions and 0 deletions
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12
CMakeLists.txt
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@ -235,6 +235,18 @@ if ( ZEEK_SANITIZERS )
set(_sanitizer_flags "-fsanitize=${ZEEK_SANITIZERS}")
# The linker command used by check_cxx_compiler_flag requires you to also pass the sanitizer to
# it or it fails. The best way to do this is to set CMAKE_REQUIRED_LINK_OPTIONS, but save off a
# copy of it so it can be reset back to what it was previously afterwards.
set(_temp_link_options ${CMAKE_REQUIRED_LINK_OPTIONS})
list(APPEND CMAKE_REQUIRED_LINK_OPTIONS ${_sanitizer_flags})
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag(${_sanitizer_flags} COMPILER_SUPPORTS_SANITIZERS)
if ( NOT COMPILER_SUPPORTS_SANITIZERS )
message(FATAL_ERROR "Invalid sanitizer compiler flags: ${_sanitizer_flags}")
endif()
set(CMAKE_REQUIRED_LINK_OPTIONS ${_temp_link_options})
if ( ZEEK_SANITIZER_UB_CHECKS )
set(_sanitizer_flags "${_sanitizer_flags} -fno-sanitize-recover=${ZEEK_SANITIZER_UB_CHECKS}")
endif ()