First commit

app/SabrehavenServer/cmake/FindLTO.cmake

@@ -0,0 +1,12 @@
+if(__FIND_LTO_CMAKE__)
+    return()
+endif()
+set(__FIND_LTO_CMAKE__ TRUE)
+
+include(CheckCXXCompilerFlag)
+enable_language(CXX)
+
+check_cxx_compiler_flag("-flto" COMPILER_KNOWS_LTO)
+if(COMPILER_KNOWS_LTO)
+    add_compile_options(-flto)
+endif()