--- origsrc/postgresql-9.3beta1/src/Makefile.global.in	2013-05-06 22:57:06.000000000 +0200
+++ src/postgresql-9.3beta1/src/Makefile.global.in	2013-06-08 15:33:28.587266200 +0200
@@ -508,6 +508,11 @@ ifeq ($(PORTNAME),win32)
 LIBS += -lws2_32 -lshfolder
 endif
 
+# missing for link on cygwin ? 
+ifeq ($(PORTNAME),cygwin)
+LIBS +=  $(LDAP_LIBS_BE)
+endif
+
 # Not really standard libc functions, used by the backend.
 TAS         = @TAS@
 
--- origsrc/postgresql-9.3beta1/src/Makefile.shlib	2013-05-06 22:57:06.000000000 +0200
+++ src/postgresql-9.3beta1/src/Makefile.shlib	2013-06-08 15:33:28.613267700 +0200
@@ -281,8 +281,9 @@ ifeq ($(PORTNAME), unixware)
 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
@@ -371,6 +372,12 @@ else # PORTNAME == cygwin || PORTNAME ==
 
 # If SHLIB_EXPORTS is set, the rules below will build a .def file from
 # that.  Else we build a temporary one here.
+ifeq ($(PORTNAME), cygwin)
+$(shlib) $(stlib): $(OBJS) | $(SHLIB_PREREQS)
+	$(CC) $(CFLAGS)  -shared -o $(shlib)  -Wl,--out-implib=$(stlib) $(OBJS) $(LDFLAGS) $(LDFLAGS_SL) $(SHLIB_LINK) $(LIBS) $(LDAP_LIBS_BE)
+
+
+else
 ifeq (,$(SHLIB_EXPORTS))
 DLL_DEFFILE = lib$(NAME)dll.def
 exports_file = $(DLL_DEFFILE)
@@ -387,6 +394,7 @@ $(shlib): $(OBJS) $(DLL_DEFFILE) | $(SHL
 $(stlib): $(shlib) $(DLL_DEFFILE) | $(SHLIB_PREREQS)
 	$(DLLTOOL) --dllname $(shlib) $(DLLTOOL_LIBFLAGS) --def $(DLL_DEFFILE) --output-lib $@
 
+endif # PORTNAME == cygwin 
 endif # PORTNAME == cygwin || PORTNAME == win32
 
 
--- origsrc/postgresql-9.3beta1/src/backend/Makefile	2013-05-06 22:57:06.000000000 +0200
+++ src/postgresql-9.3beta1/src/backend/Makefile	2013-06-08 15:33:28.633268800 +0200
@@ -62,18 +62,8 @@ endif
 
 ifeq ($(PORTNAME), cygwin)
 
-postgres: $(OBJS) postgres.def libpostgres.a
-	$(DLLTOOL) --dllname $@$(X) --output-exp $@.exp --def postgres.def
-	$(CC) $(CFLAGS) $(LDFLAGS) $(LDFLAGS_EX) -o $@$(X) -Wl,--base-file,$@.base $@.exp $(call expand_subsys,$(OBJS)) $(LIBS)
-	$(DLLTOOL) --dllname $@$(X) --base-file $@.base --output-exp $@.exp --def postgres.def
-	$(CC) $(CFLAGS) $(LDFLAGS) $(LDFLAGS_EX) -Wl,--stack,$(WIN32_STACK_RLIMIT) -o $@$(X) $@.exp $(call expand_subsys,$(OBJS)) $(LIBS)
-	rm -f $@.exp $@.base
-
-postgres.def: $(OBJS)
-	$(DLLTOOL) --export-all --output-def $@ $(call expand_subsys,$^)
-
-libpostgres.a: postgres.def
-	$(DLLTOOL) --dllname postgres.exe --def postgres.def --output-lib $@
+postgres libpostgres.a: $(OBJS) 
+	$(CC) $(CFLAGS) $(LDFLAGS) $(LDFLAGS_EX) $(export_dynamic) $(call expand_subsys,$^) $(LIBS) -o $@  -Wl,--stack,$(WIN32_STACK_RLIMIT) -Wl,--export-all-symbols -Wl,--out-implib=libpostgres.a
 
 endif # cygwin
 
--- origsrc/postgresql-9.3beta1/src/interfaces/libpq/Makefile	2013-05-06 22:57:06.000000000 +0200
+++ src/postgresql-9.3beta1/src/interfaces/libpq/Makefile	2013-06-08 15:33:28.654270000 +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 ($(PORTNAME), win32)
--- origsrc/postgresql-9.3beta1/src/makefiles/Makefile.cygwin	2013-05-06 22:57:06.000000000 +0200
+++ src/postgresql-9.3beta1/src/makefiles/Makefile.cygwin	2013-06-08 16:03:24.065961700 +0200
@@ -1,6 +1,4 @@
 # src/makefiles/Makefile.cygwin
-DLLTOOL= dlltool
-DLLWRAP= dllwrap
 ifdef PGXS
 BE_DLLLIBS= -L$(libdir) -lpostgres
 else
@@ -44,6 +42,4 @@ endif
 
 # Rule for building a shared library from a single .o file
 %.dll: %.o
-	$(DLLTOOL) --export-all --output-def $*.def $<
-	$(DLLWRAP) -o $@ --def $*.def $< $(LDFLAGS) $(LDFLAGS_SL) $(BE_DLLLIBS)
-	rm -f $*.def
+	 $(CC) $(CFLAGS)  -shared -o $@ $<  $(LDFLAGS) $(LDFLAGS_SL) $(BE_DLLLIBS)