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--- a/src/configure.ac
+++ b/src/configure.ac
@@ -182,6 +182,8 @@
     esac
 done
 LIBXAPIAN=$tmpxaplib
+# Also recent xapian libs need lz even when they think they don't...
+LIBXAPIAN="$LIBXAPIAN -lz"
 XAPIANCXXFLAGS=`$XAPIAN_CONFIG --cxxflags`
 
 #echo XAPIAN_CONFIG: $XAPIAN_CONFIG