ceph/src/boost/tools/build/example/customization/verbatim.jam

   1 # Copyright 2003, 2004 Vladimir Prus
   2 # Distributed under the Boost Software License, Version 1.0.
   3 # (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
   4
   5 #  This file shows some of the primary customization mechanisms in Boost.Build V2
   6 #  and should serve as a basic for your own customization.
   7 #  Each part has a comment describing its purpose, and you can pick the parts
   8 #  which are relevant to your case, remove everything else, and then change names
   9 #  and actions to taste.
  10
  11 import os ;
  12
  13 #  Declare a new target type. This allows Boost.Build to do something sensible
  14 #  when targets with the .verbatim extension are found in sources.
  15 import type ;
  16 type.register VERBATIM : verbatim ;
  17
  18 #  Declare a dependency scanner for the new target type. The
  19 #  'inline-file.py' script does not handle includes, so this is
  20 #  only for illustraction.
  21 import scanner ;
  22 #  First, define a new class, derived from 'common-scanner',
  23 #  that class has all the interesting logic, and we only need
  24 #  to override the 'pattern' method which return regular
  25 #  expression to use when scanning.
  26 class verbatim-scanner : common-scanner
  27 {
  28     rule pattern ( )
  29     {
  30         return "//###include[ ]*\"([^\"]*)\"" ;
  31     }
  32 }
  33
  34 # Register the scanner class. The 'include' is
  35 # the property which specifies the search path
  36 # for includes.
  37 scanner.register verbatim-scanner : include ;
  38 # Assign the scanner class to the target type.
  39 # Now, all .verbatim sources will be scanned.
  40 # To test this, build the project, touch the
  41 # t2.verbatim file and build again.
  42 type.set-scanner VERBATIM : verbatim-scanner ;
  43
  44 import generators ;
  45 generators.register-standard verbatim.inline-file : VERBATIM : CPP ;
  46
  47 # Note: To use Cygwin Python on Windows change the following line
  48 # to "python inline_file.py $(<) $(>)"
  49 # Also, make sure that "python" in in PATH.
  50 actions inline-file
  51 {
  52     "./inline_file.py" $(<) $(>)
  53 }
  54
  55 if [ os.name ] = VMS
  56 {
  57     actions inline-file
  58     {
  59         python inline_file.py $(<:W) $(>:W)
  60     }
  61 }