Issue 1417: Fix use of attributes (${SOURCES.windows}, e.g.) with null
authorstevenknight <stevenknight@fdb21ef1-2011-0410-befe-b5e4ea1792b1>
Tue, 30 Dec 2008 19:59:43 +0000 (19:59 +0000)
committerstevenknight <stevenknight@fdb21ef1-2011-0410-befe-b5e4ea1792b1>
Tue, 30 Dec 2008 19:59:43 +0000 (19:59 +0000)
commitbfe5ed5b06d0fa0ba08f81dd5e8eaf4285593208
treecbc1682df3b74751e0126f55fe16238135e07b86
parentb25299a815af36eb4201e5251919caea59058885
Issue 1417:  Fix use of attributes (${SOURCES.windows}, e.g.) with null
lists of targets and sources.

git-svn-id: http://scons.tigris.org/svn/scons/trunk@3865 fdb21ef1-2011-0410-befe-b5e4ea1792b1
src/CHANGES.txt
src/engine/SCons/Subst.py
src/engine/SCons/Util.py
test/Subst/null-sources-attr.py [new file with mode: 0644]