dealii/dealii — pull request #132 by tamiko (2014-09-03 22:04:17+00:00)
Title: Bugfix: step-53 requires enabled DEAL_II_WITH_ZLIB

step-53 uses boost's in order to unpack the
file topography.txt.gz.

If the internal boost variant is used this requires external linkage to
zlib. This commit adds a corresponding configuration toggle to the
CMakeLists.txt file of step-53.