update lib with lower gcc version and README.md

.gitignore

@@ -0,0 +1 @@
+build/

CMakeLists.txt

@@ -1,12 +1,8 @@
-cmake_minimum_required(VERSION 3.10.2)
+cmake_minimum_required(VERSION 2.8.2)
 project(UnitreeMotorSDK_M80106)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -O3")
 
-include_directories("include/")
-link_directories(
-    lib/
-)
-
-#example
+include_directories(include)
+link_directories(lib)
 add_executable(motorctrl example/main.cpp)
 target_link_libraries(motorctrl libUnitreeMotorSDK_M80106_Linux64.so)

README.md

@@ -6,6 +6,12 @@ support motor: GO-M8010-6 motor
 
 not support motor: A1 motor、 B1 motor (Check A1B1 branch for support)
 
+gcc >= 5.4.0 (for libUnitreeMotorSDK_M80106_Linux64.so)
+
+gcc >= 8.3.0 (for libUnitreeMotorSDK_M80106_Arm64.so) 
+
+run gcc -v  command to check your gcc version
+
 ### Build
 ```bash
 mkdir build