Bug 1737 – A strange "Previous Definition Different"

I create a new project with IDE poseidon and the lastest DMD2. Complie below code with option "-g" A strange "Previous Definition Different" happend. Code: import std.c.windows.windows, std.c.windows.winsock; static this(){ WSADATA wd; } int main (){ htons(9001); return 0; } Complie Information Command >>> ReBuilding Project: stalk...... D:\myWay\env\d\env\dmd\bin\dmd.exe D:\myWay\D\stalk\stalk.d -ofstalk - ID:\myWay\env\d\env\dmd\import D:\myWay\env\d\env\dmd\lib\WS2_32.LIB - odobjs -g D:\myWay\env\d\env\dmd\bin\..\..\dm\bin\link.exe objs\stalk,stalk,,D: \myWay\env\d\env\dmd\lib\WS2_32.LIB+user32+kernel32/co/noi; OPTLINK (R) for Win32 Release 8.00.1 Copyright (C) Digital Mars 1989-2004 All rights reserved. D:\myWay\env\d\env\dmd\bin\..\lib\phobos.lib(winsock) Offset 2597FH Record Type 00C3 Error 1: Previous Definition Different : _htons@4

Phobos already has this htons symbol. So don't link with WS2_32.LIB again. Then the problem goes away.