Merge pull request #229 from bbbgan/master

CMakeLists.txt

@@ -6,7 +6,15 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /std:c++20")
 add_compile_options(/utf-8)
 ADD_DEFINITIONS(-D_CRT_SECURE_NO_WARNINGS)
 else()
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pthread -g")
+
+if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pthread -g -stdlib=libc++")
+message(STATUS "link libc++")
+else()
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pthread -g ")
+message(STATUS "link libstdc++")
+endif()
+
 set(CMAKE_CXX_FLAGS_RELEASE "-O3")
 endif(MSVC)
 set(CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} -ldl")