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Try enabling LTO for LLVM 18 + ASan configuration #580

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Try enabling LTO for LLVM 18 + ASan configuration #580

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7 changes: 4 additions & 3 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -336,14 +336,15 @@ option(STATIC_ANALYSIS "Enable compiler static analysis")
if(STANDALONE)
if(MSVC AND is_clang)
message(STATUS "Not enabling IPO/LTO due to MSVC LLVM not supporting it")
elseif(is_clang AND SANITIZE_ADDRESS AND CMAKE_CXX_COMPILER_VERSION
VERSION_GREATER_EQUAL 17.0)
elseif(is_clang AND SANITIZE_ADDRESS AND
CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 17.0 AND
CMAKE_CXX_COMPILER_VERSION VERSION_LESS 21.0)
# /usr/bin/ld: error: Failed to link module
# ../libunodb_qsbr.a.llvm.3080.qsbr.cpp: Expected at most one ThinLTO module
# per bitcode file
# ...
message(STATUS
"Not enabling IPO/LTO due to LLVM clang 17 w/ AddressSanitizer bug")
"Not enabling IPO/LTO due to LLVM clang 17-20 w/ AddressSanitizer bug")
else()
include(CheckIPOSupported)
check_ipo_supported(RESULT IPO_SUPPORTED OUTPUT IPO_SUPPORT_ERROR LANGUAGES
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