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Enable link-time optimisation for release builds #1009

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Merged
MichaelRawson merged 2 commits into from
Oct 6, 2026
Merged

Enable link-time optimisation for release builds #1009

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63fa149
Enable link-time optimisation for release builds
Dragon-Hatcher Oct 4, 2026
d4f0632
Only print IPO check output when VERBOSE_IPO_FAILURE is set
Dragon-Hatcher Oct 5, 2026
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14 changes: 14 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -227,6 +227,20 @@ endif()
################################################################
# Vampire
################################################################
# link-time optimisation for release builds, if the toolchain supports it
if(CMAKE_BUILD_TYPE STREQUAL "Release")
include(CheckIPOSupported)
check_ipo_supported(RESULT IPO_SUPPORTED OUTPUT IPO_OUTPUT LANGUAGES CXX)
if(IPO_SUPPORTED)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
else()
message(STATUS "link-time optimisation not supported, building without it")
if(VERBOSE_IPO_FAILURE)
message(STATUS "${IPO_OUTPUT}")
endif()
endif()
endif()

# wrap up common object files so not built multiple times for each target
add_library(common OBJECT ${SOURCES})

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