Link time optimization

.gitlab-ci.yml

@@ -35,7 +35,7 @@ deploy:package:
     - mkdir -p applications
     - cp ../resource/package/*.desktop applications
     - mkdir -p icons/hicolor/256x256/apps
-    - cp ../univerxel.png icons/hicolor/256x256/apps
+    - cp ../resource/package/univerxel.png icons/hicolor/256x256/apps
     - cp ../resource/package/config.full.toml config.toml
     - tar cfz ../out/full.tar.gz univerxel applications/fr.wadza.univerxel.desktop config.toml icons content
     - cp ../resource/package/config.client.toml config.toml

CMakeLists.txt

@@ -23,6 +23,15 @@ if(NOT CMAKE_BUILD_TYPE)
   set(CMAKE_BUILD_TYPE Release)
 endif()
 
+include(CheckIPOSupported)
+check_ipo_supported(RESULT IPO_OK OUTPUT IPO_ERROR)
+if(IPO_OK)
+  message(STATUS "IPO / LTO enabled")
+  set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
+else()
+  message(STATUS "IPO / LTO not supported: <${IPO_ERROR}>")
+endif()
+
 if(MSVC)
   add_definitions(/std:c++latest)
   add_compile_definitions(WIN32_LEAN_AND_MEAN=)