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Use -flto=auto for GCC builds #570

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Merged
merged 1 commit into from
Mar 21, 2025
Merged

Use -flto=auto for GCC builds #570

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6 changes: 5 additions & 1 deletion Source/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -17,10 +17,14 @@

# Overwrite the LTO flags to force fat LTO; worth 3-4% performance
# See https://gitlab.kitware.com/cmake/cmake/-/issues/16808
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang" AND ${ASTCENC_CLI})
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND ${ASTCENC_CLI})
set(CMAKE_CXX_COMPILE_OPTIONS_IPO "-flto")
endif()

if(CMAKE_CXX_COMPILER_ID MATCHES "GNU" AND ${ASTCENC_CLI})
set(CMAKE_CXX_COMPILE_OPTIONS_IPO "-flto=auto")
endif()

if(${ASTCENC_DECOMPRESSOR})
set(ASTCENC_CODEC dec)
else()
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