Contribs: add zlib

Same, not libav* enabled

contrib/src/zlib/SHA512SUMS

+83ce467787903b7e90ece203aaea0be42174b9cf4a9aa16fe3f72925a4993b549d50154dec4cc76b4cb1aa0b7b966118772aca3d73efa0601167256ff7ce7a12  zlib-1.2.5.tar.gz

contrib/src/zlib/rules.mak

+# ZLIB
+ZLIB_VERSION := 1.2.5
+ZLIB_URL := $(SF)/libpng/zlib-$(ZLIB_VERSION).tar.gz
+
+PKGS += zlib
+
+$(TARBALLS)/zlib-$(ZLIB_VERSION).tar.gz:
+	$(call download,$(ZLIB_URL))
+
+.sum-zlib: zlib-$(ZLIB_VERSION).tar.gz
+
+zlib: zlib-$(ZLIB_VERSION).tar.gz .sum-zlib
+	$(UNPACK)
+	$(APPLY) $(SRC)/zlib/zlib-wince.patch
+	$(APPLY) $(SRC)/zlib/zlib-static.patch
+	$(MOVE)
+
+.zlib: zlib
+	#$(RECONF)
+	cd $< && $(HOSTVARS) ./configure --prefix=$(PREFIX) --static
+	cd $< && $(MAKE) install
+	touch $@

contrib/src/zlib/zlib-static.patch

+--- zlib/Makefile.in	2010-04-20 06:12:21.000000000 +0200
++++ zlib.new/Makefile.in	2010-06-08 14:02:43.000000000 +0200
+@@ -168,7 +168,7 @@
+ 	-@if [ ! -d $(DESTDIR)$(man3dir)      ]; then mkdir -p $(DESTDIR)$(man3dir); fi
+ 	-@if [ ! -d $(DESTDIR)$(pkgconfigdir) ]; then mkdir -p $(DESTDIR)$(pkgconfigdir); fi
+ 	cp $(STATICLIB) $(DESTDIR)$(libdir)
+-	cp $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)
++	cp $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir) || true >/dev/null 2>&1
+ 	cd $(DESTDIR)$(libdir); chmod u=rw,go=r $(STATICLIB)
+ 	-@(cd $(DESTDIR)$(libdir); $(RANLIB) libz.a || true) >/dev/null 2>&1
+ 	-@cd $(DESTDIR)$(sharedlibdir); if test "$(SHAREDLIBV)" -a -f $(SHAREDLIBV); then \

contrib/src/zlib/zlib-wince.patch

+--- zlib/zutil.h	2010-04-18 21:29:24.000000000 +0200
++++ zlib.new/zutil.h	2010-06-08 13:53:03.000000000 +0200
+@@ -153,6 +153,10 @@
+ #  endif
+ #endif
+ 
++#if defined(_WIN32_WCE)
++#    define fdopen(fd,mode) NULL /* No fdopen() */
++#endif
++
+ #if defined(__BORLANDC__)
+   #pragma warn -8004
+   #pragma warn -8008