cygwin-soversion.diff

--- origsrc/postgresql-9.4.2/src/Makefile.shlib	2015-05-20 00:33:58.000000000 +0200
+++ src/Makefile.shlib	2015-05-27 23:01:09.379468300 +0200
@@ -267,7 +267,7 @@ endif
 ifeq ($(PORTNAME), cygwin)
   LINK.shared		= $(CC) -shared
   ifdef SO_MAJOR_VERSION
-    shlib		= cyg$(NAME)$(DLSUFFIX)
+    shlib		= cyg$(NAME)-$(SO_MAJOR_VERSION)$(DLSUFFIX)
   endif
   haslibarule   = yes
 endif
@@ -359,12 +359,9 @@ ifeq ($(PORTNAME), cygwin)
 # Cygwin case
 
 $(shlib): $(OBJS) | $(SHLIB_PREREQS)
-	$(CC) $(CFLAGS)  -shared -o $@  $(OBJS) $(LDFLAGS) $(LDFLAGS_SL) $(SHLIB_LINK) $(LIBS) $(LDAP_LIBS_BE)
+	$(CC) $(CFLAGS)  -shared -o $@ -Wl,--out-implib=$(stlib) $(OBJS) $(LDFLAGS) $(LDFLAGS_SL) $(SHLIB_LINK) $(LIBS) $(LDAP_LIBS_BE)
 
-$(stlib): $(OBJS) | $(SHLIB_PREREQS)
-	rm -f $@
-	$(LINK.static) $@ $^
-	$(RANLIB) $@
+$(stlib): $(shlib) ;
 
 else
 
--- origsrc/postgresql-9.4.2/src/interfaces/libpq/Makefile	2015-05-20 00:33:58.000000000 +0200
+++ src/interfaces/libpq/Makefile	2015-05-27 22:56:43.193200600 +0200
@@ -45,7 +45,7 @@ OBJS += ip.o md5.o
 OBJS += encnames.o wchar.o
 
 ifeq ($(PORTNAME), cygwin)
-override shlib = cyg$(NAME)$(DLSUFFIX)
+override shlib = cyg$(NAME)-$(SO_MAJOR_VERSION)$(DLSUFFIX)
 endif
 
 ifeq ($(PORTNAME), win32)