poco: Use system zlib etc. and enable on i686-w64-mingw32

Signed-off-by: Timothy Gu <timothygu99@gmail.com>

src/poco-1-fixes.patch

@@ -0,0 +1,24 @@
+This file is part of MXE.
+See index.html for further information.
+
+From 329b3a3ebbcd2ee03e3f0e21cd929dd54fffcac3 Mon Sep 17 00:00:00 2001
+From: Timothy Gu <timothygu99@gmail.com>
+Date: Mon, 8 Sep 2014 16:52:55 -0700
+Subject: [PATCH] configure: Define POCO_STATIC when --static is requested
+
+
+diff --git a/configure b/configure
+index 1d93337..87f189e 100755
+--- a/configure
++++ b/configure
+@@ -189,6 +189,7 @@ while [ "$1" != "" ] ; do
+ 
+ 	if [ "$1" = "--static" ] ; then
+ 		static=1
++		flags="$flags -DPOCO_STATIC"
+ 	fi
+ 	
+ 	if [ "$1" = "--shared" ] ; then
+-- 
+1.8.3.2
+

src/poco.mk

@@ -8,7 +8,7 @@ $(PKG)_CHECKSUM := 90042349faf1790b5167bad0e84e1713bfd46046
 $(PKG)_SUBDIR   := $(PKG)-$($(PKG)_VERSION)
 $(PKG)_FILE     := $($(PKG)_SUBDIR).tar.gz
 $(PKG)_URL      := http://pocoproject.org/releases/$(PKG)-$(word 1,$(subst p, ,$($(PKG)_VERSION)))/$($(PKG)_FILE)
-$(PKG)_DEPS     := gcc
+$(PKG)_DEPS     := gcc expat openssl pcre sqlite zlib
 
 define $(PKG)_UPDATE
     $(WGET) -q -O- 'http://pocoproject.org/download/' | \
@@ -20,16 +20,15 @@ define $(PKG)_BUILD
     cd '$(1)' && ./configure \
         --config=MinGW-CrossEnv \
         --static \
+        --unbundled \
         --prefix='$(PREFIX)/$(TARGET)'
     $(MAKE) -C '$(1)' -j '$(JOBS)' install CROSSENV=$(TARGET)
 
     '$(TARGET)-g++' \
-        -W -Wall -Werror -ansi -pedantic \
+        -W -Wall -Werror -ansi -pedantic -DPOCO_STATIC=1 \
         '$(2).cpp' -o '$(PREFIX)/$(TARGET)/bin/test-poco.exe' \
         -lPocoFoundation
 endef
 
 $(PKG)_BUILD_x86_64-w64-mingw32 =
-$(PKG)_BUILD_i686-w64-mingw32 =
-
 $(PKG)_BUILD_SHARED =