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Merge pull request #14299 from SuperSamus/cmake-ipo-modern

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CMakeLists: Use `CMAKE_INTERPROCEDURAL_OPTIMIZATION` for LTO
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OatmealDome 2026-01-25 22:00:14 -05:00 committed by GitHub
commit 74ff1f76c5
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1 changed files with 6 additions and 8 deletions
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14
CMakeLists.txt
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@ -377,15 +377,13 @@ if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
endif()
if(ENABLE_LTO)
if(CMAKE_C_COMPILER_ID MATCHES "MSVC")
add_compile_options(/GL)
string(APPEND CMAKE_EXE_LINKER_FLAGS " /LTCG")
include(CheckIPOSupported)
check_ipo_supported(RESULT supported OUTPUT error)
if(supported)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
else()
check_and_add_flag(LTO -flto)
if(CMAKE_CXX_COMPILER_ID STREQUAL GNU)
set(CMAKE_AR gcc-ar)
set(CMAKE_RANLIB gcc-ranlib)
endif()
message(STATUS "IPO / LTO not supported: <${error}>")
endif()
endif()