diff --git a/CMakeLists.txt b/CMakeLists.txt
index bd5bd1c2..04856291 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -243,25 +243,21 @@ else()
     option(BUILD_FOR_NATIVE_CPU "Generate code for the compiling machine CPU" OFF)
   endif()
 
-  if((CMAKE_CONFIGURATION_TYPES OR NOT CMAKE_BUILD_TYPE_UPPERCASE STREQUAL "DEBUG")
-      AND (NOT CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 6.0)
-      AND (NOT CMAKE_COMPILER_IS_CLANG OR CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.0))
-    set(INTERPROCEDURAL_OPTIMIZATION_DEFAULT ON)
-  else()
-    set(INTERPROCEDURAL_OPTIMIZATION_DEFAULT OFF)
-  endif()
-
   if(CMAKE_INTERPROCEDURAL_OPTIMIZATION_AVAILABLE
       OR GCC_LTO_AVAILABLE OR MSVC_LTO_AVAILABLE OR CLANG_LTO_AVAILABLE)
-    option(INTERPROCEDURAL_OPTIMIZATION "Enable interprocedural/LTO optimization" ${INTERPROCEDURAL_OPTIMIZATION_DEFAULT})
-  else()
-    set(INTERPROCEDURAL_OPTIMIZATION OFF)
+    if((CMAKE_CONFIGURATION_TYPES OR NOT CMAKE_BUILD_TYPE_UPPERCASE STREQUAL "DEBUG") AND
+        ((MSVC_LTO_AVAILABLE AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 19) OR
+        (GCC_LTO_AVAILABLE AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 7) OR
+        (CLANG_LTO_AVAILABLE AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5)))
+      set(INTERPROCEDURAL_OPTIMIZATION_DEFAULT ON)
+    else()
+      set(INTERPROCEDURAL_OPTIMIZATION_DEFAULT OFF)
+    endif()
+    option(INTERPROCEDURAL_OPTIMIZATION "Enable interprocedural/LTO optimization." ${INTERPROCEDURAL_OPTIMIZATION_DEFAULT})
   endif()
 
   if(INTERPROCEDURAL_OPTIMIZATION)
-    if(GCC_LTO_AVAILABLE AND
-        # Отключаем LTO для G++ < 7.0, ибо падает: lto1: internal compiler error: in splice_child_die, at dwarf2out.c:5030
-        (NOT CMAKE_CXX_COMPILER_LOADED OR NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7))
+    if(GCC_LTO_AVAILABLE)
       set(LTO_ENABLED TRUE)
       set(CMAKE_AR ${CMAKE_GCC_AR} CACHE PATH "Path to ar program with LTO-plugin" FORCE)
       set(CMAKE_C_COMPILER_AR ${CMAKE_AR} CACHE PATH "Path to ar program with LTO-plugin" FORCE)