diff --git a/src/postgresql-1-fixes.patch b/src/postgresql-1-fixes.patch
new file mode 100644
index 00000000..6a1e3f7d
--- /dev/null
+++ b/src/postgresql-1-fixes.patch
@@ -0,0 +1,149 @@
+This file is part of MXE. See LICENSE.md for licensing information.
+
+Contains ad hoc patches for cross building.
+
+From a92f8ef8826f38edfe010752badc5c280f5b9605 Mon Sep 17 00:00:00 2001
+From: "a@a.org" <a@a.org>
+Date: Mon, 24 Oct 2011 14:02:33 +0200
+Subject: [PATCH 1/4] use unix style names for openssl on mingw-cross-env
+
+
+diff --git a/configure.in b/configure.in
+index 2f8bb3d..441b42b 100644
+--- a/configure.in
++++ b/configure.in
+@@ -926,13 +926,8 @@ fi
+ 
+ if test "$with_openssl" = yes ; then
+   dnl Order matters!
+-  if test "$PORTNAME" != "win32"; then
+-     AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
+-     AC_CHECK_LIB(ssl,    SSL_library_init, [], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
+-  else
+-     AC_SEARCH_LIBS(CRYPTO_new_ex_data, eay32 crypto, [], [AC_MSG_ERROR([library 'eay32' or 'crypto' is required for OpenSSL])])
+-     AC_SEARCH_LIBS(SSL_library_init, ssleay32 ssl, [], [AC_MSG_ERROR([library 'ssleay32' or 'ssl' is required for OpenSSL])])
+-  fi
++  AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
++  AC_CHECK_LIB(ssl,    SSL_library_init, [], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
+ fi
+ 
+ if test "$with_pam" = yes ; then
+-- 
+1.9.1
+
+
+From 6bbf26ce1f6c0bbd6fc53db1152b1132795b2850 Mon Sep 17 00:00:00 2001
+From: "a@a.org" <a@a.org>
+Date: Mon, 24 Oct 2011 14:09:38 +0200
+Subject: [PATCH 2/4] do not check autoconf version
+
+
+diff --git a/configure.in b/configure.in
+index 441b42b..1257071 100644
+--- a/configure.in
++++ b/configure.in
+@@ -19,10 +19,6 @@ m4_pattern_forbid(^PGAC_)dnl to catch undefined macros
+ 
+ AC_INIT([PostgreSQL], [9.2.4], [pgsql-bugs@postgresql.org])
+ 
+-m4_if(m4_defn([m4_PACKAGE_VERSION]), [2.63], [], [m4_fatal([Autoconf version 2.63 is required.
+-Untested combinations of 'autoconf' and PostgreSQL versions are not
+-recommended.  You can remove the check from 'configure.in' but it is then
+-your responsibility whether the result works or not.])])
+ AC_COPYRIGHT([Copyright (c) 1996-2012, PostgreSQL Global Development Group])
+ AC_CONFIG_SRCDIR([src/backend/access/common/heaptuple.c])
+ AC_CONFIG_AUX_DIR(config)
+-- 
+1.9.1
+
+
+From e7cdd570742aa958d5b45c6971253d9a0ac8ecf4 Mon Sep 17 00:00:00 2001
+From: Timothy Gu <timothygu99@gmail.com>
+Date: Tue, 1 Jul 2014 14:27:21 -0700
+Subject: [PATCH 3/4] Fix shared lib install location
+
+Signed-off-by: Timothy Gu <timothygu99@gmail.com>
+
+diff --git a/src/Makefile.shlib b/src/Makefile.shlib
+index 294d10f..3acdd81 100644
+--- a/src/Makefile.shlib
++++ b/src/Makefile.shlib
+@@ -293,6 +293,7 @@ endif
+ ifeq ($(PORTNAME), win32)
+   ifdef SO_MAJOR_VERSION
+     shlib		= lib$(NAME)$(DLSUFFIX)
++    stlib		= lib$(NAME)$(DLSUFFIX).a
+   endif
+   haslibarule   = yes
+ endif
+@@ -447,14 +448,16 @@ ifeq ($(PORTNAME), darwin)
+ endif
+ 
+ ifeq ($(enable_shared), yes)
+-install-lib-shared: $(shlib) installdirs-lib
++install-lib-shared: $(shlib)
++ifeq (, $(filter $(PORTNAME), win32 cygwin))
++install-lib-shared: installdirs-lib
++endif # not win32 or cygwin
+ ifdef soname
+ # we don't install $(shlib) on AIX
+ # (see http://archives.postgresql.org/message-id/52EF20B2E3209443BC37736D00C3C1380A6E79FE@EXADV1.host.magwien.gv.at)
+ ifneq ($(PORTNAME), aix)
++ifeq (, $(filter $(PORTNAME), win32 cygwin))
+ 	$(INSTALL_SHLIB) $< '$(DESTDIR)$(libdir)/$(shlib)'
+-ifneq ($(PORTNAME), cygwin)
+-ifneq ($(PORTNAME), win32)
+ ifneq ($(shlib), $(shlib_major))
+ 	cd '$(DESTDIR)$(libdir)' && \
+ 	rm -f $(shlib_major) && \
+@@ -465,8 +468,9 @@ ifneq ($(shlib), $(shlib_bare))
+ 	rm -f $(shlib_bare) && \
+ 	$(LN_S) $(shlib) $(shlib_bare)
+ endif
+-endif # not win32
+-endif # not cygwin
++else  # win32 or cygwin
++	$(INSTALL_SHLIB) $< '$(DESTDIR)$(bindir)/$(shlib)'
++endif # not win32 or cygwin
+ endif # not aix
+ else # no soname
+ 	$(INSTALL_SHLIB) $< '$(DESTDIR)$(pkglibdir)/$(shlib)'
+-- 
+1.9.1
+
+
+From 49f1ebdd0a4523f77b889b7dfbd5d34c2e11dab1 Mon Sep 17 00:00:00 2001
+From: Timothy Gu <timothygu99@gmail.com>
+Date: Tue, 1 Jul 2014 14:41:44 -0700
+Subject: [PATCH 4/4] Don't build shared lib on win32 if --disable-shared is
+ set
+
+Signed-off-by: Timothy Gu <timothygu99@gmail.com>
+
+diff --git a/src/Makefile.shlib b/src/Makefile.shlib
+index 3acdd81..68084cd 100644
+--- a/src/Makefile.shlib
++++ b/src/Makefile.shlib
+@@ -291,11 +291,15 @@ ifeq ($(PORTNAME), cygwin)
+ endif
+ 
+ ifeq ($(PORTNAME), win32)
+-  ifdef SO_MAJOR_VERSION
+-    shlib		= lib$(NAME)$(DLSUFFIX)
+-    stlib		= lib$(NAME)$(DLSUFFIX).a
++  ifeq ($(enable_shared), yes)
++    ifdef SO_MAJOR_VERSION
++      shlib		= lib$(NAME)$(DLSUFFIX)
++      stlib		= lib$(NAME)$(DLSUFFIX).a
++    endif
++    haslibarule   = yes
++  else
++    shlib		=
+   endif
+-  haslibarule   = yes
+ endif
+ 
+ 
+-- 
+1.9.1
+
diff --git a/src/postgresql-2-autoconf-min-version.patch b/src/postgresql-2-autoconf-min-version.patch
new file mode 100644
index 00000000..f61f7fea
--- /dev/null
+++ b/src/postgresql-2-autoconf-min-version.patch
@@ -0,0 +1,29 @@
+This file is part of MXE. See LICENSE.md for licensing information.
+
+Contains ad hoc patches for cross building.
+see https://github.com/mxe/mxe/issues/672
+
+From b18fec680ef90c65247d998e3f68e7574d45e83e Mon Sep 17 00:00:00 2001
+From: "Avi Halachmi (:avih)" <avihpit@yahoo.com>
+Date: Fri, 24 Apr 2015 07:25:04 +0300
+Subject: [PATCH] autoconf: require minimum version 2.50
+
+---
+ configure.in | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/configure.in b/configure.in
+index 1257071..24f91cd 100644
+--- a/configure.in
++++ b/configure.in
+@@ -17,6 +17,7 @@ dnl Read the Autoconf manual for details.
+ dnl
+ m4_pattern_forbid(^PGAC_)dnl to catch undefined macros
+ 
++AC_PREREQ(2.63)
+ AC_INIT([PostgreSQL], [9.2.4], [pgsql-bugs@postgresql.org])
+ 
+ AC_COPYRIGHT([Copyright (c) 1996-2012, PostgreSQL Global Development Group])
+-- 
+1.9.1
+
diff --git a/src/postgresql-3-mingw-errno.patch b/src/postgresql-3-mingw-errno.patch
new file mode 100644
index 00000000..ae3bfe03
--- /dev/null
+++ b/src/postgresql-3-mingw-errno.patch
@@ -0,0 +1,152 @@
+--- postgresql-9.2.4/src/interfaces/libpq/fe-connect.c.orig	2013-08-15 09:08:59.850609595 -0500
++++ postgresql-9.2.4/src/interfaces/libpq/fe-connect.c	2013-08-15 09:42:59.001463906 -0500
+@@ -1778,10 +1778,16 @@
+ 					if (connect(conn->sock, addr_cur->ai_addr,
+ 								addr_cur->ai_addrlen) < 0)
+ 					{
++#ifndef WIN32
+ 						if (SOCK_ERRNO == EINPROGRESS ||
+ 							SOCK_ERRNO == EWOULDBLOCK ||
+ 							SOCK_ERRNO == EINTR ||
++#else
++						if (SOCK_ERRNO == WSAEINPROGRESS ||
++							SOCK_ERRNO == WSAEWOULDBLOCK ||
++							SOCK_ERRNO == WSAEINTR ||
+ 							SOCK_ERRNO == 0)
++#endif
+ 						{
+ 							/*
+ 							 * This is fine - we're in non-blocking mode, and
+--- postgresql-9.2.4/src/interfaces/libpq/fe-misc.c.orig	2013-04-01 13:20:36.000000000 -0500
++++ postgresql-9.2.4/src/interfaces/libpq/fe-misc.c	2013-08-15 10:08:03.190928760 -0500
+@@ -656,7 +656,11 @@
+ 						  conn->inBufSize - conn->inEnd);
+ 	if (nread < 0)
+ 	{
++#ifndef WIN32
+ 		if (SOCK_ERRNO == EINTR)
++#else
++		if (SOCK_ERRNO == WSAEINTR)
++#endif
+ 			goto retry3;
+ 		/* Some systems return EAGAIN/EWOULDBLOCK for no data */
+ #ifdef EAGAIN
+@@ -664,12 +668,20 @@
+ 			return someread;
+ #endif
+ #if defined(EWOULDBLOCK) && (!defined(EAGAIN) || (EWOULDBLOCK != EAGAIN))
++#ifndef WIN32
+ 		if (SOCK_ERRNO == EWOULDBLOCK)
++#else
++		if (SOCK_ERRNO == WSAEWOULDBLOCK)
++#endif
+ 			return someread;
+ #endif
+ 		/* We might get ECONNRESET here if using TCP and backend died */
+ #ifdef ECONNRESET
++#ifndef WIN32
+ 		if (SOCK_ERRNO == ECONNRESET)
++#else
++		if (SOCK_ERRNO == WSAECONNRESET)
++#endif
+ 			goto definitelyFailed;
+ #endif
+ 		/* pqsecure_read set the error message for us */
+@@ -749,7 +761,11 @@
+ 						  conn->inBufSize - conn->inEnd);
+ 	if (nread < 0)
+ 	{
++#ifndef WIN32
+ 		if (SOCK_ERRNO == EINTR)
++#else
++		if (SOCK_ERRNO == WSAEINTR)
++#endif
+ 			goto retry4;
+ 		/* Some systems return EAGAIN/EWOULDBLOCK for no data */
+ #ifdef EAGAIN
+@@ -757,12 +773,20 @@
+ 			return 0;
+ #endif
+ #if defined(EWOULDBLOCK) && (!defined(EAGAIN) || (EWOULDBLOCK != EAGAIN))
++#ifndef WIN32
+ 		if (SOCK_ERRNO == EWOULDBLOCK)
++#else
++		if (SOCK_ERRNO == WSAEWOULDBLOCK)
++#endif
+ 			return 0;
+ #endif
+ 		/* We might get ECONNRESET here if using TCP and backend died */
+ #ifdef ECONNRESET
++#ifndef WIN32
+ 		if (SOCK_ERRNO == ECONNRESET)
++#else
++		if (SOCK_ERRNO == WSAECONNRESET)
++#endif
+ 			goto definitelyFailed;
+ #endif
+ 		/* pqsecure_read set the error message for us */
+@@ -838,10 +862,18 @@
+ 					break;
+ #endif
+ #if defined(EWOULDBLOCK) && (!defined(EAGAIN) || (EWOULDBLOCK != EAGAIN))
++#ifndef WIN32
+ 				case EWOULDBLOCK:
++#else
++				case WSAEWOULDBLOCK:
++#endif
+ 					break;
+ #endif
++#ifndef WIN32
+ 				case EINTR:
++#else
++				case WSAEINTR:
++#endif
+ 					continue;
+ 
+ 				default:
+--- postgresql-9.2.4/src/interfaces/libpq/fe-secure.c.orig	2013-08-15 10:10:44.039355056 -0500
++++ postgresql-9.2.4/src/interfaces/libpq/fe-secure.c	2013-08-15 10:22:57.767650717 -0500
+@@ -433,12 +433,20 @@
+ #if defined(EWOULDBLOCK) && (!defined(EAGAIN) || (EWOULDBLOCK != EAGAIN))
+ 				case EWOULDBLOCK:
+ #endif
++#ifndef WIN32
+ 				case EINTR:
++#else
++				case WSAEWOULDBLOCK:
++				case WSAEINTR:
++#endif
+ 					/* no error message, caller is expected to retry */
+ 					break;
+ 
+ #ifdef ECONNRESET
+ 				case ECONNRESET:
++#ifdef WIN32
++				case WSAECONNRESET:
++#endif
+ 					printfPQExpBuffer(&conn->errorMessage,
+ 									  libpq_gettext(
+ 								"server closed the connection unexpectedly\n"
+@@ -617,7 +625,12 @@
+ #if defined(EWOULDBLOCK) && (!defined(EAGAIN) || (EWOULDBLOCK != EAGAIN))
+ 				case EWOULDBLOCK:
+ #endif
++#ifndef WIN32
+ 				case EINTR:
++#else
++				case WSAEWOULDBLOCK:
++				case WSAEINTR:
++#endif
+ 					/* no error message, caller is expected to retry */
+ 					break;
+ 
+@@ -629,6 +642,9 @@
+ #ifdef ECONNRESET
+ 				case ECONNRESET:
+ #endif
++#ifdef WIN32
++				case WSAECONNRESET:
++#endif
+ 					printfPQExpBuffer(&conn->errorMessage,
+ 									  libpq_gettext(
+ 								"server closed the connection unexpectedly\n"
diff --git a/src/postgresql.mk b/src/postgresql.mk
index ad345ea8..e0ad874c 100644
--- a/src/postgresql.mk
+++ b/src/postgresql.mk
@@ -4,8 +4,8 @@ PKG             := postgresql
 $(PKG)_WEBSITE  := http://www.postgresql.org/
 $(PKG)_DESCR    := PostgreSQL
 $(PKG)_IGNORE   :=
-$(PKG)_VERSION  := 9.6.2
-$(PKG)_CHECKSUM := 0187b5184be1c09034e74e44761505e52357248451b0c854dddec6c231fe50c9
+$(PKG)_VERSION  := 9.2.4
+$(PKG)_CHECKSUM := d97dd918a88a4449225998f46aafa85216a3f89163a3411830d6890507ffae93
 $(PKG)_SUBDIR   := postgresql-$($(PKG)_VERSION)
 $(PKG)_FILE     := postgresql-$($(PKG)_VERSION).tar.bz2
 $(PKG)_URL      := http://ftp.postgresql.org/pub/source/v$($(PKG)_VERSION)/$($(PKG)_FILE)
@@ -46,7 +46,6 @@ define $(PKG)_BUILD
         LIBS="-lsecur32 `'$(TARGET)-pkg-config' openssl pthreads --libs`" \
         ac_cv_func_getaddrinfo=no
 
-    $(MAKE) -C '$(1)'/src/common -j '$(JOBS)'
     # enable_thread_safety means "build internal pthreads" on windows
     # disable it and link mingw-w64 pthreads to and avoid name conflicts
     $(MAKE) -C '$(1)'/src/interfaces/libpq -j '$(JOBS)' \