I should say that this is uninstallable in unstable only. stretch is fine.
- Bug#854905: libpetsc3.7.5-dev: Package uninstallabl... Dima Kogan
- Bug#854905: Acknowledgement (libpetsc3.7.5-dev... Dima Kogan
- Bug#854905: nmu: petsc_3.7.5+dfsg1-4 Adrian Bunk
- Bug#854905: nmu: petsc_3.7.5+dfsg1-4 Emilio Pozuelo Monfort
- Bug#854905: nmu: petsc_3.7.5+dfsg1-4 James Clarke
- Bug#854905: nmu: petsc_3.7.5+dfsg1... Emilio Pozuelo Monfort
- Bug#854905: nmu: petsc_3.7.5+dfsg1-4 Drew Parsons
- Bug#854905: nmu: petsc_3.7.5+dfsg1... Drew Parsons