buildtools/wafsamba/samba_asn1.py

   1 # samba ASN1 rules
   2
   3 import Build, os
   4 from samba_utils import *
   5 from samba_autoconf import *
   6
   7
   8 def SAMBA_ASN1(bld, name, source,
   9                options='',
  10                directory='',
  11                option_file=None,
  12                includes=''):
  13     '''Build a ASN1 file using the asn1 compiler.
  14        This will produce 2 output files'''
  15     bname = os.path.basename(source)[0:-5];
  16     dname = os.path.dirname(source)
  17     asn1name = "%s_asn1" % bname
  18
  19     if not SET_TARGET_TYPE(bld, name, 'ASN1'):
  20         return
  21
  22     # for ASN1 compilation, I always put it in build_source, as it doesn't make
  23     # sense elsewhere
  24     bld.SET_BUILD_GROUP('build_source')
  25
  26     out_files = []
  27     out_files.append("../heimdal/%s/asn1_%s_asn1.x" % (directory, bname))
  28     out_files.append("../heimdal/%s/%s_asn1.hx" % (directory, bname))
  29     out_files.append("../heimdal/%s/%s_asn1-priv.hx" % (directory, bname))
  30
  31     # the ${TGT[0].parent.abspath(env)} expression gives us the parent directory of
  32     # the first target in the build directory
  33     # SRC[0].abspath(env) gives the absolute path to the source directory for the first
  34     # source file. Note that in the case of a option_file, we have more than
  35     # one source file
  36     cd_rule = 'cd ${TGT[0].parent.abspath(env)}'
  37     asn1_rule = cd_rule + ' && ${BLDBIN}/asn1_compile ${OPTION_FILE} ${ASN1OPTIONS} --one-code-file ${SRC[0].abspath(env)} ${ASN1NAME}'
  38
  39     source = TO_LIST(source)
  40     source.append('asn1_compile')
  41
  42     if option_file is not None:
  43         source.append(option_file)
  44
  45     t = bld(rule=asn1_rule,
  46             ext_out = '.x',
  47             before = 'cc',
  48             on_results = True,
  49             shell = True,
  50             source = source,
  51             target = out_files,
  52             name=name + '_ASN1')
  53
  54     t.env.ASN1NAME     = asn1name
  55     t.env.ASN1OPTIONS  = options
  56     t.env.BLDBIN       = os.path.normpath(os.path.join(bld.srcnode.abspath(bld.env), '..'))
  57     if option_file is not None:
  58         t.env.OPTION_FILE = "--option-file=%s" % os.path.normpath(os.path.join(bld.curdir, option_file))
  59
  60     cfile = out_files[0][0:-2] + '.c'
  61     hfile = out_files[1][0:-3] + '.h',
  62     hpriv = out_files[2][0:-3] + '.h',
  63
  64     # now generate a .c file from the .x file
  65     t = bld(rule='''( echo '#include "config.h"' && cat ${SRC} ) > ${TGT}''',
  66             source = out_files[0],
  67             target = cfile,
  68             shell = True,
  69             on_results=True,
  70             ext_out = '.c',
  71             ext_in = '.x',
  72             depends_on = name + '_ASN1',
  73             name = name + '_C')
  74
  75     # and generate a .h file from the .hx file
  76     t = bld(rule='cp ${SRC} ${TGT}',
  77             source = out_files[1],
  78             ext_out = '.c',
  79             ext_in = '.x',
  80             on_results=True,
  81             target = hfile,
  82             depends_on = name + '_ASN1',
  83             name = name + '_H')
  84
  85     # and generate a .h file from the .hx file
  86     t = bld(rule='cp ${SRC} ${TGT}',
  87             source = out_files[2],
  88             ext_out = '.c',
  89             ext_in = '.x',
  90             on_results=True,
  91             target = hpriv,
  92             depends_on = name + '_ASN1',
  93             name = name + '_PRIV_H')
  94
  95     bld.SET_BUILD_GROUP('main')
  96
  97     includes = TO_LIST(includes)
  98     includes.append(os.path.dirname(out_files[0]))
  99
 100     t = bld(features       = 'cc',
 101             source         = cfile,
 102             target         = name,
 103             samba_cflags   = CURRENT_CFLAGS(bld, name, ''),
 104             depends_on     = '',
 105             samba_deps     = TO_LIST('HEIMDAL_ROKEN'),
 106             samba_includes = includes,
 107             local_include  = True)
 108
 109 Build.BuildContext.SAMBA_ASN1 = SAMBA_ASN1