add lto support

This commit is contained in:
jadebenn 2024-04-05 21:06:10 -05:00
parent bcfaa6c7fe
commit 7e72febc80

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@ -9,6 +9,20 @@ set(CMAKE_POLICY_DEFAULT_CMP0063 NEW) # Set CMAKE visibility policy to NEW on p
set(CMAKE_VISIBILITY_INLINES_HIDDEN ON) # Set C and C++ symbol visibility to hide inlined functions set(CMAKE_VISIBILITY_INLINES_HIDDEN ON) # Set C and C++ symbol visibility to hide inlined functions
set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake") set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
# Check if link-time-optimization is supported and apply it if possible in release builds
if(CMAKE_BUILD_TYPE STREQUAL "Release")
include(CheckIPOSupported)
check_ipo_supported(RESULT supported OUTPUT error)
if(supported)
message(STATUS "IPO / LTO enabled")
set(CMAKE_POLICY_DEFAULT_CMP0069 NEW)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
else()
message(STATUS "IPO / LTO not supported: <${error}>")
endif()
endif()
# Read variables from file # Read variables from file
FILE(READ "${CMAKE_SOURCE_DIR}/CMakeVariables.txt" variables) FILE(READ "${CMAKE_SOURCE_DIR}/CMakeVariables.txt" variables)