common/bin/diffjarzip.sh

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@@ -70,11 +70,15 @@
     NEW_NAME=$NEW
     if [ $# == 3 ]; then IGNORES="$3"; fi
 fi
 
 if [ "`uname`" == "SunOS" ]; then
+    if [ -f "`which gdiff`" ]; then
     DIFF=gdiff
+    else
+        DIFF=diff
+    fi
 else
     DIFF=diff
 fi
 
 OLD_SUFFIX="${OLD##*.}"