commit https://github.com/vim/vim/commit/97eba78f69ba68ce8e1fc72bbe762fc321e0a4b1 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Feb 15 22:45:12 2016 +0100 patch 7.4.1326 Problem: Build rules are bit too complicated. Solution: Remove -lwsock32 from Netbeans, it's already added for the channel feature that it depends on. (Tony Mechelynck)

--- a/src/Make_cyg_ming.mak
+++ b/src/Make_cyg_ming.mak
@@ -684,17 +684,14 @@ ifneq (yes, $(GUI))
 NETBEANS=no
 else
 OBJ += $(OUTDIR)/netbeans.o
-LIB += -lwsock32
 endif
 endif
 endif
 
 ifeq ($(CHANNEL),yes)
 OBJ += $(OUTDIR)/channel.o
-ifneq ($(NETBEANS),yes)
 LIB += -lwsock32
 endif
-endif
 
 ifeq ($(DIRECTX),yes)
 # Only allow DIRECTX for a GUI build.