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The "DebuggingTips" page has been changed by BenReser:
http://wiki.apache.org/subversion/DebuggingTips?action=diff&rev1=4&rev2=5

Comment:
Show how to pass args to svn, show abbreviations in using libtool, and note how 
libtool works and why you need relative or absolute paths.

  Re-set $SHELL so shelling out from gdb will start your $SHELL, rather than sh.
  
  {{{
-   libtool --mode=execute env SHELL=$SHELL gdb ./subversion/svn/svn
+   libtool --mode=execute env SHELL=$SHELL gdb -args ./subversion/svn/svn up 
-r 2
  }}}
+ 
+ The execute mode can be abbreviated to make the command a little quicker to 
type:
+ {{{
+   libtool e env SHELL=$SHELL gdb -args ./subversion/svn/svn up -r 2
+ }}}
+ 
+ Note that the above commands above must provide an absolute or relative path 
to a libtool wrapper script which wraps the executable you want to run.  Even 
if the path to the script is on your PATH it will not work because libtool 
scans each argument to detect if it is a libtool wrapper script.  When it finds 
an argument that is a libtool wrapper script it then sets the environment that 
the script would have and replaces the argument with the path to actual 
executable the script wraps.  Since bare filenames on your path will not be 
resolved to absolute paths till the shell goes to execute them, it won't detect 
these scripts and won't set the environment up properly and gdb will complain 
that the script is not an executable.
+   
  '''''Emacs: '''''
  
  Emacs 24.1.1 can run gdb with libtool inside gdb mode:

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