diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4dae14c8cd..55c9109f90 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,6 +27,12 @@ else()
     list(APPEND cxx_compile_options "-fno-exceptions")
 endif()
 
+if(CONFIG_COMPILER_CXX_RTTI)
+    list(APPEND cxx_compile_options "-frtti")
+else()
+    list(APPEND cxx_compile_options "-fno-rtti")
+endif()
+
 if(CONFIG_COMPILER_DISABLE_GCC8_WARNINGS)
     list(APPEND compile_options "-Wno-parentheses"
                                 "-Wno-sizeof-pointer-memaccess"
diff --git a/Kconfig b/Kconfig
index c0856669f9..c93e3eb63d 100644
--- a/Kconfig
+++ b/Kconfig
@@ -244,6 +244,15 @@ mainmenu "Espressif IoT Development Framework Configuration"
                 Size (in bytes) of the emergency memory pool for C++ exceptions. This pool will be used to allocate
                 memory for thrown exceptions when there is not enough memory on the heap.
 
+        config COMPILER_CXX_RTTI
+            # Invisible option, until the toolchain with RTTI support is released.
+            # Use prompt "Enable C++ run-time type info (RTTI)" when updating.
+            bool
+            help
+                Enabling this option compiles all C++ files with RTTI support enabled.
+                This increases binary size (typically by tens of kB) but allows using
+                dynamic_cast conversion and typeid operator.
+
         choice COMPILER_STACK_CHECK_MODE
             prompt "Stack smashing protection mode"
             default COMPILER_STACK_CHECK_MODE_NONE
diff --git a/components/cxx/CMakeLists.txt b/components/cxx/CMakeLists.txt
index ff2d0e4389..852c4c884d 100644
--- a/components/cxx/CMakeLists.txt
+++ b/components/cxx/CMakeLists.txt
@@ -15,3 +15,7 @@ target_link_libraries(${COMPONENT_LIB} PUBLIC stdcpp_pthread)
 if(NOT CONFIG_COMPILER_CXX_EXCEPTIONS)
     target_link_libraries(${COMPONENT_LIB} INTERFACE "-u __cxx_fatal_exception")
 endif()
+
+if(NOT CONFIG_COMPILER_CXX_RTTI)
+    target_link_libraries(${COMPONENT_LIB} PUBLIC -fno-rtti)
+endif()
diff --git a/make/project.mk b/make/project.mk
index a8ec59f405..93ed7a38fd 100644
--- a/make/project.mk
+++ b/make/project.mk
@@ -468,7 +468,6 @@ CXXFLAGS ?=
 EXTRA_CXXFLAGS ?=
 CXXFLAGS := $(strip \
 	-std=gnu++11 \
-	-fno-rtti \
 	$(OPTIMIZATION_FLAGS) $(DEBUG_FLAGS) \
 	$(COMMON_FLAGS) \
 	$(COMMON_WARNING_FLAGS) \
@@ -481,6 +480,13 @@ else
 CXXFLAGS += -fno-exceptions
 endif
 
+ifdef CONFIG_COMPILER_CXX_RTTI
+CXXFLAGS += -frtti
+else
+CXXFLAGS += -fno-rtti
+LDFLAGS += -fno-rtti
+endif
+
 ARFLAGS := cru
 
 export CFLAGS CPPFLAGS CXXFLAGS ARFLAGS
diff --git a/tools/cmake/build.cmake b/tools/cmake/build.cmake
index f495ed8fa9..c3bbdeafff 100644
--- a/tools/cmake/build.cmake
+++ b/tools/cmake/build.cmake
@@ -114,8 +114,7 @@ function(__build_set_default_build_specifications)
     list(APPEND c_compile_options   "-std=gnu99"
                                     "-Wno-old-style-declaration")
 
-    list(APPEND cxx_compile_options "-std=gnu++11"
-                                    "-fno-rtti")
+    list(APPEND cxx_compile_options "-std=gnu++11")
 
     idf_build_set_property(COMPILE_DEFINITIONS "${compile_definitions}" APPEND)
     idf_build_set_property(COMPILE_OPTIONS "${compile_options}" APPEND)