File net-snmp-5.9.4-setup.py-basedir-environ.patch of Package net-snmp

Index: net-snmp-5.9.4/python/setup.py
===================================================================
--- net-snmp-5.9.4.orig/python/setup.py
+++ net-snmp-5.9.4/python/setup.py
@@ -12,6 +12,10 @@ for arg in args:
         sys.argv.remove(arg)
         intree=1
 
+if os.environ.get("NET_SNMP_BASEDIR"):
+    basedir = os.environ.get("NET_SNMP_BASEDIR")
+    intree = 1
+
 if intree:
     netsnmp_libs = os.popen(basedir+'/net-snmp-config --libs').read()
     libdir = os.popen(basedir+'/net-snmp-config --build-lib-dirs '+basedir).read()