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4e65b33c1d
Update third_party/waf/ to 2.0.4 to bring us closer to Python 3 This change requires a number of changes in buildtools/ too. Signed-off-by: Alexander Bokovoy <ab@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
69 lines
2.4 KiB
Python
69 lines
2.4 KiB
Python
# handle substitution of variables in pc files
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import os, re, sys
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from waflib import Build, Logs
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from samba_utils import SUBST_VARS_RECURSIVE, TO_LIST
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def subst_at_vars(task):
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'''substiture @VAR@ style variables in a file'''
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s = task.inputs[0].read()
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# split on the vars
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a = re.split('(@\w+@)', s)
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out = []
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done_var = {}
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back_sub = [ ('PREFIX', '${prefix}'), ('EXEC_PREFIX', '${exec_prefix}')]
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for v in a:
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if re.match('@\w+@', v):
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vname = v[1:-1]
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if not vname in task.env and vname.upper() in task.env:
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vname = vname.upper()
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if not vname in task.env:
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Logs.error("Unknown substitution %s in %s" % (v, task.name))
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sys.exit(1)
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v = SUBST_VARS_RECURSIVE(task.env[vname], task.env)
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# now we back substitute the allowed pc vars
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for (b, m) in back_sub:
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s = task.env[b]
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if s == v[0:len(s)]:
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if not b in done_var:
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# we don't want to substitute the first usage
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done_var[b] = True
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else:
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v = m + v[len(s):]
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break
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out.append(v)
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contents = ''.join(out)
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task.outputs[0].write(contents)
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return 0
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def PKG_CONFIG_FILES(bld, pc_files, vnum=None, extra_name=None):
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'''install some pkg_config pc files'''
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dest = '${PKGCONFIGDIR}'
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dest = bld.EXPAND_VARIABLES(dest)
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for f in TO_LIST(pc_files):
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if extra_name:
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target = f.split('.pc')[0] + extra_name + ".pc"
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else:
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target = f
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base=os.path.basename(target)
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t = bld.SAMBA_GENERATOR('PKGCONFIG_%s' % base,
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rule=subst_at_vars,
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source=f+'.in',
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target=target)
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bld.add_manual_dependency(bld.path.find_or_declare(f), bld.env['PREFIX'])
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t.vars = []
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if t.env.RPATH_ON_INSTALL:
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t.env.LIB_RPATH = t.env.RPATH_ST % t.env.LIBDIR
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else:
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t.env.LIB_RPATH = ''
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if vnum:
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t.env.PACKAGE_VERSION = vnum
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for v in [ 'PREFIX', 'EXEC_PREFIX', 'LIB_RPATH' ]:
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t.vars.append(t.env[v])
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bld.INSTALL_FILES(dest, target, flat=True, destname=base)
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Build.BuildContext.PKG_CONFIG_FILES = PKG_CONFIG_FILES
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