[Bug 721703] Re: FindMPI script violates policy CMP0004

[Jani Monoses]

Hi Sameer,
thanks for debugging the issue and for notifying upstream.
I see dolfin is built fine in natty now due to a recent upload https://launchpad.net/ubuntu/+source/dolfin/0.9.10-1
Do you think this cmake change so important that it needs to be applied in ubuntu before upstream incorporates it (they did not even comment on it AFAICS) now that dolfin was fixed?

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https://bugs.launchpad.net/bugs/721703

Title:
  FindMPI script violates policy CMP0004

Status in cmake:
  New
Status in “cmake” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: cmake

  The FindMPI script violates policy CMP0004. The following error occurs
  when compiling the package dolfin:

  CMake Error at CMakeLists.txt:9 (ADD_EXECUTABLE): 
  Target "cmTryCompileExec" links to item " -Wl,--export-dynamic" which has leading or trailing whitespace.
  This is now an error according to policy CMP0004.

  Further investigation has shown that " -Wl,--export-dynamic" is being assigned to MPI_LINK_FLAGS with a leading space.
  This occurs in Modules/FindMPI.cmake