diff -pruN --exclude build ./demo_clean/CMakeLists.txt ./demo_dev/CMakeLists.txt
--- ./demo_clean/CMakeLists.txt 2021-02-17 01:23:17.000000000 +0000
+++ ./demo_dev/CMakeLists.txt 2021-06-12 17:14:36.877121318 +0100
-@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.16)
+@@ -1,9 +1,9 @@
+-cmake_minimum_required(VERSION 3.16)
++cmake_minimum_required(VERSION 3.13)
+
# Set app name.
set(APP_NAME Demo)
# Set directory paths.
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
+@@ -42,7 +42,7 @@ add_library(Live2DCubismCore STATIC IMPO
+ # Find library path.
+ set_target_properties(Live2DCubismCore
+ PROPERTIES
+- IMPORTED_LOCATION ${CORE_PATH}/lib/linux/x86_64/libLive2DCubismCore.a
++ IMPORTED_LOCATION ${CORE_PATH}/lib/experimental/rpi/libLive2DCubismCore.a
+ INTERFACE_INCLUDE_DIRECTORIES ${CORE_PATH}/include
+ )
+
@@ -64,6 +64,11 @@ target_link_libraries(Framework Live2DCu
# Find opengl libraries.
find_package(OpenGL REQUIRED)