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IBMClang: No thin LTO on AIX

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AIX does not yet support thin LTO.
This commit is contained in:
Nicole Rabjohn
2023-03-22 11:59:06 -04:00
committed by Brad King
parent b69441c796
commit 79622d4a3e
1 changed files with 4 additions and 1 deletions
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5
Modules/Compiler/IBMClang.cmake
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@@ -43,7 +43,10 @@ macro(__compiler_ibmclang lang)
set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES)
set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
set(_CMAKE_LTO_THIN TRUE)
# Thin LTO is not yet supported on AIX.
if(NOT (CMAKE_SYSTEM_NAME STREQUAL "AIX"))
set(_CMAKE_LTO_THIN TRUE)
endif()
if(_CMAKE_LTO_THIN)
set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "-flto=thin")