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[Anders Logg <logg@xxxxxxxxx>]

** Changed in: dolfin
       Status: New => Fix Committed

-- 
CMake ZLIB bug (affects compressed vtk files)
https://bugs.launchpad.net/bugs/623121
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Status in DOLFIN: Fix Committed

Bug description:
more fun with cmake 
seems to find zlib but doesn't set -DHAS_ZLIB and appropriate libraries (breaks compressed vtk files)

in dolfin/dolfin/CMakeLists.txt is

# ZLIB
if (DOLFIN_ENABLE_ZLIB AND DOLFIN_ZLIB_FOUND)
  list(APPEND DOLFIN_CXX_DEFINITIONS "-DHAS_ZLIB")
  list(APPEND DOLFIN_INCLUDE_DIRECTORIES ${DOLFIN_ZLIB_INCLUDE_DIRS})
  list(APPEND DOLFIN_TARGET_LINK_LIBRARIES ${DOLFIN_ZLIB_LIBS})
endif()

should probably be:
#ZLIB
if (DOLFIN_ENABLE_ZLIB AND ZLIB_FOUND)
  list(APPEND DOLFIN_CXX_DEFINITIONS "-DHAS_ZLIB")
  list(APPEND DOLFIN_INCLUDE_DIRECTORIES ${ZLIB_INCLUDE_DIRS})
  list(APPEND DOLFIN_TARGET_LINK_LIBRARIES ${ZLIB_LIBRARIES})
endif()

just enjoying cmake so much ;)