From: Wolfgang Bangerth Date: Thu, 30 Jun 2011 21:04:40 +0000 (+0000) Subject: Only define preprocessor symbol if not already defined. X-Git-Tag: v8.0.0~3877 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=16294833f4801fb6ecfa8a1737f3627e8f85eb50;p=dealii.git Only define preprocessor symbol if not already defined. git-svn-id: https://svn.dealii.org/trunk@23888 0785d39b-7218-0410-832d-ea1e28bc413d ---