moved files around

mk/jam/clean.jam

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+#============================================================================
+# Rules for cleaning build detritus.
+# Copyright (C)2003 by Eric Sunshine <sunshine@sunshineco.com>
+#
+#    This library is free software; you can redistribute it and/or modify it
+#    under the terms of the GNU Library General Public License as published by
+#    the Free Software Foundation; either version 2 of the License, or (at your
+#    option) any later version.
+#
+#    This library is distributed in the hope that it will be useful, but
+#    WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+#    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
+#    License for more details.
+#
+#    You should have received a copy of the GNU Library General Public License
+#    along with this library; if not, write to the Free Software Foundation,
+#    Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+#============================================================================
+
+# CleanDir <tag> : <dir> ...
+#   Forcibly delete a set of directories, even if they are not empty.
+#   Tag is one of the standard targets used with the "Clean" rule, such as
+#   "clean" or "distclean".
+rule CleanDir
+{
+  Always $(<) ;
+  NotFile $(<) ;
+  NoCare $(>) ;
+}
+
+actions piecemeal together existing CleanDir
+{
+  $(DELTREE) $(>)
+}
+
+Help clean : "Remove all built targets from project" ;