feat: static link to libc++

CMakeLists.txt

@@ -20,7 +20,6 @@ elseif (UNIX)
     if (NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
         message(FATAL_ERROR "Clang is required on Linux.")
     endif ()
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
 else ()
     message(FATAL_ERROR "${CMAKE_SYSTEM_NAME} (${CMAKE_SYSTEM_PROCESSOR}) is not supported")
 endif ()
@@ -62,7 +61,10 @@ target_link_libraries(endstone_headers INTERFACE fmt::fmt)
 add_library(${PROJECT_NAME} SHARED src/example_plugin.cpp)
 target_include_directories(${PROJECT_NAME} PUBLIC include)
 target_link_libraries(${PROJECT_NAME} PRIVATE endstone::headers)
-
+if (UNIX)
+    target_link_options(${PROJECT_NAME} PRIVATE -stdlib=libc++)
+    target_link_libraries(${PROJECT_NAME} PRIVATE -static-libc++ -static-libc++abi -static-libunwind)
+endif ()
 
 # ===============
 # Install