diff options
Diffstat (limited to 'src/engine/SCons/Environment.py')
| -rw-r--r-- | src/engine/SCons/Environment.py | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/engine/SCons/Environment.py b/src/engine/SCons/Environment.py index 4a86ae6..47ab58b 100644 --- a/src/engine/SCons/Environment.py +++ b/src/engine/SCons/Environment.py @@ -269,6 +269,24 @@ class Environment: self._dict[key] = self._dict[key] + kw[key] self.__updateBuildersAndScanners() + def Prepend(self, **kw): + """Prepend values to existing construction variables + in an Environment. + """ + kw = our_deepcopy(kw) + for key in kw.keys(): + if not self._dict.has_key(key): + self._dict[key] = kw[key] + elif SCons.Util.is_List(self._dict[key]) and not \ + SCons.Util.is_List(kw[key]): + self._dict[key] = [ kw[key] ] + self._dict[key] + elif SCons.Util.is_List(kw[key]) and not \ + SCons.Util.is_List(self._dict[key]): + self._dict[key] = kw[key] + [ self._dict[key] ] + else: + self._dict[key] = kw[key] + self._dict[key] + self.__updateBuildersAndScanners() + def Depends(self, target, dependency): """Explicity specify that 'target's depend on 'dependency'.""" tlist = SCons.Node.arg2nodes(target, self.fs.File) |