[Boost-build] adding files to clean

From: david x callaway (dxc_at_[hidden])
Date: 2006-12-21 20:31:46

I'm using:
     Boost.Build V2 (Milestone 11)
     Boost.Jam 03.1.13

how can I add files that weren't built to the clean list?  I'd like to 
be able to do what this makefile fragment does:

-----snip-----
RMV = rm -f

clean:
        -$(RMV) *~ $(LIBOBJECTS) $(TARGET)
-----snip-----

the "*~" files are leftover emacs backup files, but they could be 
anything.  of course I'd like to be able to list arbitrary files as well 
as globs, for instance I may know that running a test leaves certain 
residue that I want to remove.

there was a bit of code in a thread from 29-aug-2005, however I thought 
maybe by now there is a better solution (since it is a pretty common 
problem).  the code shown doesn't deal with globs, and I don't know what 
happens if I use a glob that doesn't produce any files, i.e. "*~" is 
just a literal string in bash if no files match.  I guess the file test 
below would catch that, so maybe it would be ok?

anyway, my first question would be does the rule already exist in m11, 
or do I need to add the code below or something similar to make it work? 
  it would be nice if I could just do

rm-on-clean : *~ *.whatever file1.txt etc.txt ;

thx
dxc

-----snip-----
rule rm-on-clean ( files + )
{
         local argv = [ modules.peek : ARGV ] ;
         if "clean" in $(argv) || "--clean" in $(argv)
         {
                 import os ;
                 import path ;

                 local jamfile_path = [ path.parent [ path.make 
$(__file__) ] ] ;

                 local cmd ;
                 if [ os.on-windows ]
                 {
                         cmd = del ;
                 }
                 else
                 {
                         cmd = rm ;
                 }

                 for local file in $(files)
                 {
                         file = [ path.native [ path.root $(file) 
$(jamfile_path) ] ] ;

                         if [ path.exists $(file) ]
                         {
                                 ECHO "rm $(file)" ;
                                 SHELL "$(cmd) \"$(file)\"" ;
                         }
                 }
         }
}
-----snip-----