apache: shared build dependency part

component/apache/buildout.cfg

@@ -19,6 +19,7 @@ extends =
 
 [apr]
 recipe = slapos.recipe.build:download-unpacked
+shared = true
 strip-top-level-dir = false
 version = 1.5.2
 md5sum = 4e9769f3349fe11fc0a5e1b224c236aa
@@ -26,6 +27,7 @@ url = https://archive.apache.org/dist/apr/apr-${:version}.tar.bz2
 
 [apr-util]
 recipe = slapos.recipe.build:download-unpacked
+shared = true
 strip-top-level-dir = false
 version = 1.5.4
 url = https://archive.apache.org/dist/apr/apr-util-${:version}.tar.bz2
@@ -193,6 +195,7 @@ make-targets =
 
 [template-apache-backend-conf]
 recipe = slapos.recipe.build:download
+shared = true
 url = ${:_profile_base_location_}/apache-backend.conf.in
 md5sum = 8f1f92ad308ab6bad973c790ee583428
 mode = 640