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| author | Martino Fontana <tinozzo123@gmail.com> | 2026-01-23 17:55:57 +0100 |
|---|---|---|
| committer | Martino Fontana <tinozzo123@gmail.com> | 2026-01-23 17:56:06 +0100 |
| commit | eec35a214dd2f8b0d18a66340e7b34e2928e1411 (patch) | |
| tree | 21afc9bb03a8ae3727aa14b18ea6e1126fcbbee5 /CMakeLists.txt | |
| parent | b18abc41edcce4b98aeaf13a52c693fcd724d07b (diff) | |
CMakeLists: Use `CMAKE_INTERPROCEDURAL_OPTIMIZATION` for LTO
Just a simple modernization. LTO is still disabled by default.
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 91b80a5718..1a346103d1 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -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() |