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# samba ASN1 rules
from TaskGen import before
import Build, os
from samba_utils import *
from samba_autoconf import *
def SAMBA_ASN1(bld, name, source,
options='',
directory='',
option_file=None,
includes=''):
'''Build a ASN1 file using the asn1 compiler.
This will produce 2 output files'''
bname = os.path.basename(source)[0:-5];
dname = os.path.dirname(source)
asn1name = "%s_asn1" % bname
if not SET_TARGET_TYPE(bld, name, 'ASN1'):
return
# for ASN1 compilation, I always put it in build_source, as it doesn't make
# sense elsewhere
bld.SET_BUILD_GROUP('build_source')
out_files = []
out_files.append("../heimdal/%s/asn1_%s_asn1.x" % (directory, bname))
out_files.append("../heimdal/%s/%s_asn1.hx" % (directory, bname))
# the ${TGT[0].parent.abspath(env)} expression gives us the parent directory of
# the first target in the build directory
# SRC[0].abspath(env) gives the absolute path to the source directory for the first
# source file. Note that in the case of a option_file, we have more than
# one source file
cd_rule = 'cd ${TGT[0].parent.abspath(env)}'
asn1_rule = cd_rule + ' && ${BLDBIN}/asn1_compile ${OPTION_FILE} ${ASN1OPTIONS} --one-code-file ${SRC[0].abspath(env)} ${ASN1NAME}'
source = TO_LIST(source)
source.append('asn1_compile')
if option_file is not None:
source.append(option_file)
t = bld(rule=asn1_rule,
ext_out = '.x',
before = 'cc',
on_results = True,
shell = True,
source = source,
target = out_files,
name=name + '_ASN1')
t.env.ASN1NAME = asn1name
t.env.ASN1OPTIONS = options
t.env.BLDBIN = os.path.normpath(os.path.join(bld.srcnode.abspath(bld.env), '..'))
if option_file is not None:
t.env.OPTION_FILE = "--option-file=%s" % os.path.normpath(os.path.join(bld.curdir, option_file))
cfile = out_files[0][0:-2] + '.c'
hfile = out_files[1][0:-3] + '.h',
# now generate a .c file from the .x file
t = bld(rule='''( echo '#include "config.h"' && cat ${SRC} ) > ${TGT}''',
source = out_files[0],
target = cfile,
shell = True,
ext_out = '.c',
ext_in = '.x',
depends_on = name + '_ASN1',
name = name + '_C')
# and generate a .h file from the .hx file
t = bld(rule='cp ${SRC} ${TGT}',
source = out_files[1],
ext_out = '.c',
ext_in = '.x',
target = hfile,
depends_on = name + '_ASN1',
name = name + '_H')
bld.SET_BUILD_GROUP('main')
includes = TO_LIST(includes)
includes.append(os.path.dirname(out_files[0]))
t = bld(features = 'cc',
source = cfile,
target = name,
samba_cflags = CURRENT_CFLAGS(bld, name, ''),
depends_on = '',
samba_deps = TO_LIST('HEIMDAL_ROKEN'),
samba_includes = includes,
local_include = True)
Build.BuildContext.SAMBA_ASN1 = SAMBA_ASN1
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