--- a/bakeconf.xml	Wed May 01 01:11:36 2013 +0900
+++ b/bakeconf.xml	Wed May 01 01:16:20 2013 +0900
@@ -763,11 +763,12 @@
 
     <module name="libc-debug">
       <source type="system_dependency">
+        <!-- copy-pasted from elf-loader/extract-system-config.py -->
+        <attribute name="dependency_test" value="/usr/lib64/debug/lib64/ld-2.11.2.so.debug or /usr/lib/debug/lib64/ld-linux-x86-64.so.2.debug or /usr/lib/debug/ld-linux-x86-64.so.2 or /usr/lib/debug/lib/ld-linux.so.2.debug or /usr/lib/debug/ld-linux.so.2 or /usr/lib/debug/lib/i386-linux-gnu/ld-2.13.so or /usr/lib/debug/lib/x86_64-linux-gnu/ld-2.13.so or /usr/lib/debug/lib/ld-2.10.1.so or /usr/lib/debug/lib/ld-2.11.1.so or /usr/lib/debug/lib/ld-2.12.1.so or /usr/lib/debug/lib/x86_64-linux-gnu/ld-2.15.so or /usr/lib/debug/lib/i386-linux-gnu/ld-2.15.so or /usr/lib/debug/lib/x86_64-linux-gnu/ld-2.17.so or /usr/lib/debug/lib/i386-linux-gnu/ld-2.17.so"/>
         <attribute name="try_to_install" value="False"/> <!-- should be fixed -->
         <attribute name="name_apt-get" value="libc6-dbg"/>
         <attribute name="name_yum" value="glibc-debuginfo"/>
         <attribute name="more_information" value="Didn't find libc debug package; please install it."/>
-        <attribute name="try_to_install" value="False"/>
       </source>
       <build type="none" objdir="no">
       </build>
@@ -777,7 +778,7 @@
       <source type="mercurial">
         <attribute name="url" value="http://code.nsnam.org/thehajime/elf-loader"/>
       </source>
-      <depends_on name="libc-debug" optional="True"/>
+      <depends_on name="libc-debug" optional="False"/>
       <build type="make" objdir="no">
         <attribute name="configure_arguments" value="vdl-config.h"/>
         <attribute name="install_arguments" value="PREFIX=$INSTALLDIR"/>