anchor.diff:  
   S = "${WORKDIR}/git"
   
  -inherit autotools-brokensep gettext pythonnative perlnative python-dir
  +inherit autotools-brokensep gettext pythonnative perlnative python-dir cpan-base
   
   EXTRA_AUTORECONF = "-I m4"
   
  
positive.code: 
  	autotools_do_configure
  
  	perl_version=`perl -v 2>/dev/null | \
  	    sed -n 's/This is perl.*v[a-z ]*\([0-9]\.[0-9][0-9.]*\).*$/\1/p'`
  
  	#modify python sitepkg
  	#remove the dependency of perl-shared:Makefile
  	#or perl-shared/Makefile will be regenerated
  
negative.code: 	#redo the perl bindings
  	(
  	cd ${S}/bindings/perl-shared;
  	perl Makefile.PL INSTALLDIRS="vendor" INSTALLPRIVLIB="abc";
  
  	cd ../../bindings/perl-piped;
  	perl Makefile.PL INSTALLDIRS="vendor";
  	)
  
  	#change the interpreter in file
  