diff --git a/pym/cl_distr.py b/pym/cl_distr.py
index faaa575..16381e6 100644
--- a/pym/cl_distr.py
+++ b/pym/cl_distr.py
@@ -24,7 +24,7 @@ import re
 import sys
 import operator
 from cl_utils import runOsCommand,isMount,removeDir,typeFile,pathJoin, \
-                    process,getRunCommands,getTupleVersion
+                    process,getRunCommands,getTupleVersion,cmpVersion
 from shutil import copyfile,copytree
 from cl_template import _terms
 from subprocess import Popen,PIPE,STDOUT
@@ -154,6 +154,19 @@ class DistributiveRepository:
         d['ver'] = \
             varsShare.getVersionFromMetapackage(filename,d["name"]) or \
             varsShare.getVersionFromCalculateIni(filename) or "0"
+        reOsLinuxBuild = re.compile("^os_linux_build\s*=\s*(\S+)\s*$")
+        os_linux_build = \
+            map(lambda x:x.groups()[0],
+            filter(lambda x:x,
+            map(reOsLinuxBuild.search,
+            reduce(lambda x,y:x+y,
+            map(lambda x:open(x,"r").readlines(),
+            filter(path.exists,
+            [path.join(filename,"etc/calculate/calculate2.env")])),[]))))
+        if os_linux_build:
+            d['build'] = os_linux_build[-1]
+        else:
+            d['build'] = ""
         if distr:
             distr.close()
         return d
@@ -168,7 +181,13 @@ class DistributiveRepository:
             match = self.reDistName.match(filename)
             if not match:
                 return {}
-            return match.groupdict()
+            distdic = match.groupdict()
+            distdic["build"] = ""
+            if "ver" in distdic:
+                if re.match("^\d{8}$", distdic["ver"]):
+                    distdic["build"] = distdic["ver"]
+                    distdic["ver"] = ""
+            return distdic
 
     def _getAvailableShortnames(self):
         """Get available distributives shortnames"""
@@ -256,10 +275,13 @@ class DistributiveRepository:
 
     def sortdistrfunc(self,x,y):
         """Func of comparing two distributive"""
-        ver1,ver2 = self.term._convertVers(x[1].get('ver',""),
-                                      y[1].get('ver',""))
-        if  ver1 != ver2:
-            return cmp(ver1,ver2)
+        ver1, ver2 = x[1].get('ver',""), y[1].get('ver',"")
+        if ver1 and ver2 and ver1 != "0" and ver2 != "0" and ver1 != ver2:
+            return cmpVersion(ver1,ver2)
+        build1,build2 = self.term._convertVers(x[1].get('build',""),
+                                      y[1].get('build',""))
+        if  build1 != build2:
+            return cmp(build1,build2)
         else:
             ext1 = x[1].get('ext',"")
             ext2 = y[1].get('ext',"")