--- /dev/null
+"""SCons.Defaults
+
+Builders and other things for the local site. Here's where we'll
+duplicate the functionality of autoconf until we move it into the
+installation procedure or use something like qmconf.
+
+The code that reads the registry to find MSVC components was borrowed
+from distutils.msvccompiler.
+
+"""
+
+#
+# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 The SCons Foundation
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "src/engine/SCons/Defaults.py 3842 2008/12/20 22:59:52 scons"
+
+
+
+import os
+import os.path
+import shutil
+import stat
+import string
+import time
+import types
+import sys
+
+import SCons.Action
+import SCons.Builder
+import SCons.CacheDir
+import SCons.Environment
+import SCons.PathList
+import SCons.Subst
+import SCons.Tool
+
+# A placeholder for a default Environment (for fetching source files
+# from source code management systems and the like). This must be
+# initialized later, after the top-level directory is set by the calling
+# interface.
+_default_env = None
+
+# Lazily instantiate the default environment so the overhead of creating
+# it doesn't apply when it's not needed.
+def _fetch_DefaultEnvironment(*args, **kw):
+ """
+ Returns the already-created default construction environment.
+ """
+ global _default_env
+ return _default_env
+
+def DefaultEnvironment(*args, **kw):
+ """
+ Initial public entry point for creating the default construction
+ Environment.
+
+ After creating the environment, we overwrite our name
+ (DefaultEnvironment) with the _fetch_DefaultEnvironment() function,
+ which more efficiently returns the initialized default construction
+ environment without checking for its existence.
+
+ (This function still exists with its _default_check because someone
+ else (*cough* Script/__init__.py *cough*) may keep a reference
+ to this function. So we can't use the fully functional idiom of
+ having the name originally be a something that *only* creates the
+ construction environment and then overwrites the name.)
+ """
+ global _default_env
+ if not _default_env:
+ import SCons.Util
+ _default_env = apply(SCons.Environment.Environment, args, kw)
+ if SCons.Util.md5:
+ _default_env.Decider('MD5')
+ else:
+ _default_env.Decider('timestamp-match')
+ global DefaultEnvironment
+ DefaultEnvironment = _fetch_DefaultEnvironment
+ _default_env._CacheDir_path = None
+ return _default_env
+
+# Emitters for setting the shared attribute on object files,
+# and an action for checking that all of the source files
+# going into a shared library are, in fact, shared.
+def StaticObjectEmitter(target, source, env):
+ for tgt in target:
+ tgt.attributes.shared = None
+ return (target, source)
+
+def SharedObjectEmitter(target, source, env):
+ for tgt in target:
+ tgt.attributes.shared = 1
+ return (target, source)
+
+def SharedFlagChecker(source, target, env):
+ same = env.subst('$STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME')
+ if same == '0' or same == '' or same == 'False':
+ for src in source:
+ try:
+ shared = src.attributes.shared
+ except AttributeError:
+ shared = None
+ if not shared:
+ raise SCons.Errors.UserError, "Source file: %s is static and is not compatible with shared target: %s" % (src, target[0])
+
+SharedCheck = SCons.Action.Action(SharedFlagChecker, None)
+
+# Some people were using these variable name before we made
+# SourceFileScanner part of the public interface. Don't break their
+# SConscript files until we've given them some fair warning and a
+# transition period.
+CScan = SCons.Tool.CScanner
+DScan = SCons.Tool.DScanner
+LaTeXScan = SCons.Tool.LaTeXScanner
+ObjSourceScan = SCons.Tool.SourceFileScanner
+ProgScan = SCons.Tool.ProgramScanner
+
+# These aren't really tool scanners, so they don't quite belong with
+# the rest of those in Tool/__init__.py, but I'm not sure where else
+# they should go. Leave them here for now.
+import SCons.Scanner.Dir
+DirScanner = SCons.Scanner.Dir.DirScanner()
+DirEntryScanner = SCons.Scanner.Dir.DirEntryScanner()
+
+# Actions for common languages.
+CAction = SCons.Action.Action("$CCCOM", "$CCCOMSTR")
+ShCAction = SCons.Action.Action("$SHCCCOM", "$SHCCCOMSTR")
+CXXAction = SCons.Action.Action("$CXXCOM", "$CXXCOMSTR")
+ShCXXAction = SCons.Action.Action("$SHCXXCOM", "$SHCXXCOMSTR")
+
+ASAction = SCons.Action.Action("$ASCOM", "$ASCOMSTR")
+ASPPAction = SCons.Action.Action("$ASPPCOM", "$ASPPCOMSTR")
+
+LinkAction = SCons.Action.Action("$LINKCOM", "$LINKCOMSTR")
+ShLinkAction = SCons.Action.Action("$SHLINKCOM", "$SHLINKCOMSTR")
+
+LdModuleLinkAction = SCons.Action.Action("$LDMODULECOM", "$LDMODULECOMSTR")
+
+# Common tasks that we allow users to perform in platform-independent
+# ways by creating ActionFactory instances.
+ActionFactory = SCons.Action.ActionFactory
+
+def get_paths_str(dest):
+ # If dest is a list, we need to manually call str() on each element
+ if SCons.Util.is_List(dest):
+ elem_strs = []
+ for element in dest:
+ elem_strs.append('"' + str(element) + '"')
+ return '[' + string.join(elem_strs, ', ') + ']'
+ else:
+ return '"' + str(dest) + '"'
+
+def chmod_func(dest, mode):
+ SCons.Node.FS.invalidate_node_memos(dest)
+ if not SCons.Util.is_List(dest):
+ dest = [dest]
+ for element in dest:
+ os.chmod(str(element), mode)
+
+def chmod_strfunc(dest, mode):
+ return 'Chmod(%s, 0%o)' % (get_paths_str(dest), mode)
+
+Chmod = ActionFactory(chmod_func, chmod_strfunc)
+
+def copy_func(dest, src):
+ SCons.Node.FS.invalidate_node_memos(dest)
+ if SCons.Util.is_List(src) and os.path.isdir(dest):
+ for file in src:
+ shutil.copy2(file, dest)
+ return 0
+ elif os.path.isfile(src):
+ return shutil.copy2(src, dest)
+ else:
+ return shutil.copytree(src, dest, 1)
+
+Copy = ActionFactory(copy_func,
+ lambda dest, src: 'Copy("%s", "%s")' % (dest, src),
+ convert=str)
+
+def delete_func(dest, must_exist=0):
+ SCons.Node.FS.invalidate_node_memos(dest)
+ if not SCons.Util.is_List(dest):
+ dest = [dest]
+ for entry in dest:
+ entry = str(entry)
+ if not must_exist and not os.path.exists(entry):
+ continue
+ if not os.path.exists(entry) or os.path.isfile(entry):
+ os.unlink(entry)
+ continue
+ else:
+ shutil.rmtree(entry, 1)
+ continue
+
+def delete_strfunc(dest, must_exist=0):
+ return 'Delete(%s)' % get_paths_str(dest)
+
+Delete = ActionFactory(delete_func, delete_strfunc)
+
+def mkdir_func(dest):
+ SCons.Node.FS.invalidate_node_memos(dest)
+ if not SCons.Util.is_List(dest):
+ dest = [dest]
+ for entry in dest:
+ os.makedirs(str(entry))
+
+Mkdir = ActionFactory(mkdir_func,
+ lambda dir: 'Mkdir(%s)' % get_paths_str(dir))
+
+def move_func(dest, src):
+ SCons.Node.FS.invalidate_node_memos(dest)
+ SCons.Node.FS.invalidate_node_memos(src)
+ os.rename(src, dest)
+
+Move = ActionFactory(move_func,
+ lambda dest, src: 'Move("%s", "%s")' % (dest, src),
+ convert=str)
+
+def touch_func(dest):
+ SCons.Node.FS.invalidate_node_memos(dest)
+ if not SCons.Util.is_List(dest):
+ dest = [dest]
+ for file in dest:
+ file = str(file)
+ mtime = int(time.time())
+ if os.path.exists(file):
+ atime = os.path.getatime(file)
+ else:
+ open(file, 'w')
+ atime = mtime
+ os.utime(file, (atime, mtime))
+
+Touch = ActionFactory(touch_func,
+ lambda file: 'Touch(%s)' % get_paths_str(file))
+
+# Internal utility functions
+
+def _concat(prefix, list, suffix, env, f=lambda x: x, target=None, source=None):
+ """
+ Creates a new list from 'list' by first interpolating each element
+ in the list using the 'env' dictionary and then calling f on the
+ list, and finally calling _concat_ixes to concatenate 'prefix' and
+ 'suffix' onto each element of the list.
+ """
+ if not list:
+ return list
+
+ l = f(SCons.PathList.PathList(list).subst_path(env, target, source))
+ if not l is None:
+ list = l
+
+ return _concat_ixes(prefix, list, suffix, env)
+
+def _concat_ixes(prefix, list, suffix, env):
+ """
+ Creates a new list from 'list' by concatenating the 'prefix' and
+ 'suffix' arguments onto each element of the list. A trailing space
+ on 'prefix' or leading space on 'suffix' will cause them to be put
+ into separate list elements rather than being concatenated.
+ """
+
+ result = []
+
+ # ensure that prefix and suffix are strings
+ prefix = str(env.subst(prefix, SCons.Subst.SUBST_RAW))
+ suffix = str(env.subst(suffix, SCons.Subst.SUBST_RAW))
+
+ for x in list:
+ if isinstance(x, SCons.Node.FS.File):
+ result.append(x)
+ continue
+ x = str(x)
+ if x:
+
+ if prefix:
+ if prefix[-1] == ' ':
+ result.append(prefix[:-1])
+ elif x[:len(prefix)] != prefix:
+ x = prefix + x
+
+ result.append(x)
+
+ if suffix:
+ if suffix[0] == ' ':
+ result.append(suffix[1:])
+ elif x[-len(suffix):] != suffix:
+ result[-1] = result[-1]+suffix
+
+ return result
+
+def _stripixes(prefix, list, suffix, stripprefixes, stripsuffixes, env, c=None):
+ """
+ This is a wrapper around _concat()/_concat_ixes() that checks for the
+ existence of prefixes or suffixes on list elements and strips them
+ where it finds them. This is used by tools (like the GNU linker)
+ that need to turn something like 'libfoo.a' into '-lfoo'.
+ """
+
+ if not list:
+ return list
+
+ if not callable(c):
+ env_c = env['_concat']
+ if env_c != _concat and callable(env_c):
+ # There's a custom _concat() method in the construction
+ # environment, and we've allowed people to set that in
+ # the past (see test/custom-concat.py), so preserve the
+ # backwards compatibility.
+ c = env_c
+ else:
+ c = _concat_ixes
+
+ stripprefixes = map(env.subst, SCons.Util.flatten(stripprefixes))
+ stripsuffixes = map(env.subst, SCons.Util.flatten(stripsuffixes))
+
+ stripped = []
+ for l in SCons.PathList.PathList(list).subst_path(env, None, None):
+ if isinstance(l, SCons.Node.FS.File):
+ stripped.append(l)
+ continue
+
+ if not SCons.Util.is_String(l):
+ l = str(l)
+
+ for stripprefix in stripprefixes:
+ lsp = len(stripprefix)
+ if l[:lsp] == stripprefix:
+ l = l[lsp:]
+ # Do not strip more than one prefix
+ break
+
+ for stripsuffix in stripsuffixes:
+ lss = len(stripsuffix)
+ if l[-lss:] == stripsuffix:
+ l = l[:-lss]
+ # Do not strip more than one suffix
+ break
+
+ stripped.append(l)
+
+ return c(prefix, stripped, suffix, env)
+
+def _defines(prefix, defs, suffix, env, c=_concat_ixes):
+ """A wrapper around _concat_ixes that turns a list or string
+ into a list of C preprocessor command-line definitions.
+ """
+ if SCons.Util.is_List(defs):
+ l = []
+ for d in defs:
+ if SCons.Util.is_List(d) or type(d) is types.TupleType:
+ l.append(str(d[0]) + '=' + str(d[1]))
+ else:
+ l.append(str(d))
+ elif SCons.Util.is_Dict(defs):
+ # The items in a dictionary are stored in random order, but
+ # if the order of the command-line options changes from
+ # invocation to invocation, then the signature of the command
+ # line will change and we'll get random unnecessary rebuilds.
+ # Consequently, we have to sort the keys to ensure a
+ # consistent order...
+ l = []
+ keys = defs.keys()
+ keys.sort()
+ for k in keys:
+ v = defs[k]
+ if v is None:
+ l.append(str(k))
+ else:
+ l.append(str(k) + '=' + str(v))
+ else:
+ l = [str(defs)]
+ return c(prefix, env.subst_path(l), suffix, env)
+
+class NullCmdGenerator:
+ """This is a callable class that can be used in place of other
+ command generators if you don't want them to do anything.
+
+ The __call__ method for this class simply returns the thing
+ you instantiated it with.
+
+ Example usage:
+ env["DO_NOTHING"] = NullCmdGenerator
+ env["LINKCOM"] = "${DO_NOTHING('$LINK $SOURCES $TARGET')}"
+ """
+
+ def __init__(self, cmd):
+ self.cmd = cmd
+
+ def __call__(self, target, source, env, for_signature=None):
+ return self.cmd
+
+class Variable_Method_Caller:
+ """A class for finding a construction variable on the stack and
+ calling one of its methods.
+
+ We use this to support "construction variables" in our string
+ eval()s that actually stand in for methods--specifically, use
+ of "RDirs" in call to _concat that should actually execute the
+ "TARGET.RDirs" method. (We used to support this by creating a little
+ "build dictionary" that mapped RDirs to the method, but this got in
+ the way of Memoizing construction environments, because we had to
+ create new environment objects to hold the variables.)
+ """
+ def __init__(self, variable, method):
+ self.variable = variable
+ self.method = method
+ def __call__(self, *args, **kw):
+ try: 1/0
+ except ZeroDivisionError:
+ # Don't start iterating with the current stack-frame to
+ # prevent creating reference cycles (f_back is safe).
+ frame = sys.exc_info()[2].tb_frame.f_back
+ variable = self.variable
+ while frame:
+ if frame.f_locals.has_key(variable):
+ v = frame.f_locals[variable]
+ if v:
+ method = getattr(v, self.method)
+ return apply(method, args, kw)
+ frame = frame.f_back
+ return None
+
+ConstructionEnvironment = {
+ 'BUILDERS' : {},
+ 'SCANNERS' : [],
+ 'CONFIGUREDIR' : '#/.sconf_temp',
+ 'CONFIGURELOG' : '#/config.log',
+ 'CPPSUFFIXES' : SCons.Tool.CSuffixes,
+ 'DSUFFIXES' : SCons.Tool.DSuffixes,
+ 'ENV' : {},
+ 'IDLSUFFIXES' : SCons.Tool.IDLSuffixes,
+ 'LATEXSUFFIXES' : SCons.Tool.LaTeXSuffixes,
+ '_concat' : _concat,
+ '_defines' : _defines,
+ '_stripixes' : _stripixes,
+ '_LIBFLAGS' : '${_concat(LIBLINKPREFIX, LIBS, LIBLINKSUFFIX, __env__)}',
+ '_LIBDIRFLAGS' : '$( ${_concat(LIBDIRPREFIX, LIBPATH, LIBDIRSUFFIX, __env__, RDirs, TARGET, SOURCE)} $)',
+ '_CPPINCFLAGS' : '$( ${_concat(INCPREFIX, CPPPATH, INCSUFFIX, __env__, RDirs, TARGET, SOURCE)} $)',
+ '_CPPDEFFLAGS' : '${_defines(CPPDEFPREFIX, CPPDEFINES, CPPDEFSUFFIX, __env__)}',
+ 'TEMPFILE' : NullCmdGenerator,
+ 'Dir' : Variable_Method_Caller('TARGET', 'Dir'),
+ 'Dirs' : Variable_Method_Caller('TARGET', 'Dirs'),
+ 'File' : Variable_Method_Caller('TARGET', 'File'),
+ 'RDirs' : Variable_Method_Caller('TARGET', 'RDirs'),
+}
projects / senf.git / blobdiff