diff --git a/0BUILD b/0BUILD
index b0586d9..b57062d 100644
--- a/0BUILD
+++ b/0BUILD
@@ -51,6 +51,16 @@
     <setVar name="pkgdatadir">$(datadir)/$(package)</setVar>
 
 
+    <option id="debug" type="string">
+      <default>TRUE</default>
+      <choices>TRUE FALSE</choices>
+    </option>
+    <ifVarMatches name="option_debug" value="TRUE" >
+      <setVar name="CFLAGS">-ggdb -Wall -O0</setVar>
+      <setVar name="CXXFLAGS">-ggdb -Wall -O0</setVar>
+    </ifVarMatches>
+
+
     <checkheaders>
       signal.h
       sys/stat.h