added pcre dependency

software/zimbra/buildout.cfg

 [buildout]
 
+# XXX-Marco - Extra dependencies
+# ------------------------------
+# for libmemcached / opendkim:
+# sudo apt-get install libcloog-ppl0
+#
+
 extends =
   /home/marco/src/slapos/stack/slapos.cfg
   /home/marco/src/slapos/component/git/buildout.cfg
@@ -12,6 +18,7 @@ extends =
   /home/marco/src/slapos/component/cmake/buildout.cfg
   /home/marco/src/slapos/component/ncurses/buildout.cfg
   /home/marco/src/slapos/component/bzip2/buildout.cfg
+  /home/marco/src/slapos/component/pcre/buildout.cfg
 
 
 parts =
@@ -28,6 +35,7 @@ parts =
   cmake
   ncurses
   bzip2
+  pcre
   zimbra-sources
   environment
   zimbra-build
@@ -90,7 +98,8 @@ recipe = collective.recipe.environment
 ZIMBRA_HOME = ${directories:zimbra_home}
 JAVA_HOME = ${jdk:location}
 ANT_HOME = ${ant:location}
-PATH = /usr/local/bin:/usr/bin:/bin:${:JAVA_HOME}/bin:${:ANT_HOME}/bin:${autoconf:location}/bin:${automake:location}/bin:${libtool:location}/bin:${bison:location}/bin:${flex:location}/bin:${unzip:location}/bin:${cmake:location}/bin:${ncurses:location}/bin:${m4:location}/bin:${bzip2:location}/bin
+PATH = /usr/local/bin:/usr/bin:/bin:${:JAVA_HOME}/bin:${:ANT_HOME}/bin:${autoconf:location}/bin:${automake:location}/bin:${libtool:location}/bin:${bison:location}/bin:${flex:location}/bin:${unzip:location}/bin:${cmake:location}/bin:${ncurses:location}/bin:${m4:location}/bin:${bzip2:location}/bin:${pcre:location}/bin
+# another libtool is also built under ThirdParty
 LIBTOOL_PREFIX = ${libtool:location}
 BZIP2_PREFIX = ${bzip2:location}
 #NCURSES_PREFIX = ${ncurses:location}
@@ -108,13 +117,10 @@ jdk_download = ${buildout:directory}/parts/jdk_download
 # curl FAILED.          (Can't locate LWP/UserAgent.pm in @INC)
 # cyrus-sasl FAILED.    (issue with libtoolize)
 # openldap FAILED.      (depends on cyrus-sasl)
-# apache-httpd FAILED.  (can't find libpcre)
-# php FAILED.           (issue with apxs)
-# postfix FAILED.       (can't fidn db.h)
+#* postfix FAILED.       (can't fidn pcre)
 # dspam FAILED.         (depends on mysql)
-# nginx FAILED.         (can't find libpcre)
-# libmemcached FAILED.  (can't find libcloog-ppl0)
-# opendkim FAILED.      (depends on libmemecached)
+#* nginx FAILED.         (can't find libpcre)
+# opendkim FAILED.      (depends on openldap)