Description of problem: eigen 3.2.5 fails to build on epel7, ppc64le because of segfault in building doc. Build log error message says: /bin/sh: line 1: 14899 Segmentation fault (core dumped) ./Tutorial_sparse_example /builddir/build/BUILD/eigen-eigen-bdd17ee3b1b3/ppc64le-redhat-linux-gnu/doc/special_examples/../html/Tutorial_sparse_example.jpeg make[3]: *** [doc/special_examples/Tutorial_sparse_example] Error 139 After tracing back the problem, it appears that method dest.innerIndexPtr() from file SparseSelfAdjointView.h (https://bitbucket.org/eigen/eigen/src/ae97469d4c0baed422f112a9cd43399d515e4228/Eigen/src/SparseCore/SparseSelfAdjointView.h?at=3.2&fileviewer=file-view-default#SparseSelfAdjointView.h-382) returns null pointer. Koji build - http://koji.fedoraproject.org/koji/taskinfo?taskID=12081762
*** This bug has been marked as a duplicate of bug 1463658 ***