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Enable LTO/IPO on release builds

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This commit is contained in:
Philipp David
2022-03-19 18:08:28 +01:00
parent c7fdfb8116
commit c7c83a35fa
11 changed files with 24 additions and 12 deletions
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14
CMakeLists.txt
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@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.1)
cmake_minimum_required(VERSION 3.9.4)
if(WIN32)
# In Qt 5.1+ we have our own main() function, don't autolink to qtmain on Windows
@ -43,6 +43,18 @@ set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Werror=return-type")
# Fix build with Qt 5.13
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DQT_NO_DEPRECATED_WARNINGS=Y")
include(CheckIPOSupported)
check_ipo_supported(RESULT ipo_supported OUTPUT ipo_error)
if(ipo_supported AND (CMAKE_BUILD_TYPE STREQUAL "Release" OR CMAKE_BUILD_TYPE STREQUAL "MinSizeRel"))
message(STATUS "IPO / LTO enabled")
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
elseif(ipo_supported)
message(STATUS "Not enabling IPO / LTO on debug builds")
else()
message(STATUS "IPO / LTO not supported: <${ipo_error}>")
endif()
##################################### Set Application options #####################################
######## Set URLs ########