$NetBSD: patch-src_interfaces_libpq_Makefile,v 1.1 2020/10/18 09:24:02 adam Exp $

--- src/interfaces/libpq/Makefile.orig	2016-02-08 21:12:28.000000000 +0000
+++ src/interfaces/libpq/Makefile
@@ -49,7 +49,7 @@ OBJS += fe-secure-openssl.o
 endif
 
 ifeq ($(PORTNAME), cygwin)
-override shlib = cyg$(NAME)$(DLSUFFIX)
+override shlib = cyg$(NAME)-$(SO_MAJOR_VERSION)$(DLSUFFIX)
 endif
 
 ifeq ($(PORTNAME), win32)