version up : HAProxy 1.4.20. enable pcre.

component/haproxy/buildout.cfg

+# HAProxy - The Reliable, High Performance TCP/HTTP Load Balancer
+# http://haproxy.1wt.eu/
+
 [buildout]
+extends =
+  ../pcre/buildout.cfg
+
 parts = haproxy
 
 [haproxy]
 recipe = hexagonit.recipe.cmmi
-url = http://haproxy.1wt.eu/download/1.4/src/haproxy-1.4.19.tar.gz
-md5sum = 41392d738460dbf99295fd928031c6a4
+url = http://haproxy.1wt.eu/download/1.4/src/haproxy-1.4.20.tar.gz
+md5sum = 0cd3b91812ff31ae09ec4ace6355e29e
 configure-command = true
 # If the system is running on Linux 2.6, we use "linux26" as the TARGET,
 # otherwise use "generic".
@@ -13,3 +19,7 @@ make-options =
   TARGET="$(uname -sr 2>/dev/null|grep -Eq '^Linux (2\.6|3)' && echo linux26 || echo generic)"
   ARCH="$(uname -m 2>/dev/null|grep -E '^(x86_64|i[3456]86)$')"
   PREFIX=${buildout:parts-directory}/${:_buildout_section_name_}
+  USE_PCRE=1
+  ADDLIB=-Wl,-rpath=${pcre:location}/lib
+environment =
+  PATH=${pcre:location}/bin:%(PATH)s