compile: 修正linux编译

libserial/CMakeLists.txt

@@ -9,4 +9,7 @@ endif()
 
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../3rd/asio-1.30.2/include)
 add_library(SerialOpr SHARED serial.h serial.cpp)
-target_compile_definitions(SerialOpr PRIVATE SERIALOPR_LIB DYNAMIC_DLL)
+target_compile_definitions(SerialOpr PRIVATE SERIALOPR_LIB DYNAMIC_DLL)
+if (UNIX)
+target_link_libraries(SerialOpr PRIVATE pthread)
+endif()

main.cpp

@@ -1,5 +1,6 @@
 #include <iostream>
 #include <serial.h>
+#include <cstring>
 
 using namespace cppbox;