# HG changeset patch
# User John D
# Date 1512067284 18000
# Node ID f89c67818a6b3d53aa3f08fdb6f1bce3299623db
# Parent  96874b227adaafd95284f2cbbd339bdb7591ef38
zeromq: update to v4.2.2

* src/zeromq.mk: update version/checksum, implement PKG_UPDATE

diff -r 96874b227ada -r f89c67818a6b src/zeromq.mk
--- a/src/zeromq.mk	Thu Nov 30 13:41:21 2017 -0500
+++ b/src/zeromq.mk	Thu Nov 30 13:41:24 2017 -0500
@@ -3,16 +3,17 @@
 
 PKG             := zeromq
 $(PKG)_IGNORE   :=
-$(PKG)_VERSION  := 4.2.1
-$(PKG)_CHECKSUM := 2145aef176dbc944822a9b4585273d17e9b9fb7b
+$(PKG)_VERSION  := 4.2.2
+$(PKG)_CHECKSUM := 5ef9b1c385f4b897e6a9e4847e5355758c20de76
 $(PKG)_SUBDIR   := $(PKG)-$($(PKG)_VERSION)
 $(PKG)_FILE     := $(PKG)-$($(PKG)_VERSION).tar.gz
 $(PKG)_URL      := http://github.com/$(PKG)/libzmq/releases/download/v$($(PKG)_VERSION)/$($(PKG)_FILE)
 $(PKG)_DEPS     := pthreads
 
 define $(PKG)_UPDATE
-    echo 'Warning: Updates are temporarily disabled for package $(PKG).' >&2;
-    echo $($(PKG)_VERSION)
+    $(WGET) -q -O- 'https://github.com/zeromq/libzmq/tags' | \
+    $(SED) -n 's|.*releases/tag/v\([^"]*\).*|\1|p' | $(SORT) -V | \
+    tail -1
 endef
 
 define $(PKG)_BUILD