This is in a C build.
libfast in: /sandbox/bsmith/petsc-dev/src/dm/ao/impls
libfast in: /sandbox/bsmith/petsc-dev/src/dm/ao/impls/basic
libfast in: /sandbox/bsmith/petsc-dev/src/dm/ao/impls/mapping
libfast in: /sandbox/bsmith/petsc-dev/src/dm/ao/examples
libfast in: /sandbox/bsmith/petsc-dev/src/dm/ao/examples/tests
libfast in: /sandbox/bsmith/petsc-dev/src/dm/ao/examples/tutorials
grep: mesh/makefile: No such file or directory
grep: mesh/makefile: No such file or directory
grep: mesh/makefile: No such file or directory
grep: mesh/makefile: No such file or directory
grep: mesh/makefile: No such file or directory
grep: mesh/makefile: No such file or directory
libfast in: /sandbox/bsmith/petsc-dev/src/dm/mesh
make[5]: *** No rule to make target `tree'. Stop.
libfast in: /sandbox/bsmith/petsc-dev/src/dm/impls