slepc: add versions 3.10.2 and 3.11 (#11067)

var/spack/repos/builtin/packages/slepc/package.py

@@ -16,6 +16,8 @@ class Slepc(Package):
     git      = "https://bitbucket.org/slepc/slepc.git"
 
     version('develop', branch='master')
+    version('3.11.0', 'bf29043c311fe2c549a25e2b0835095723a3eebc1dff288a233b32913b5762a2')
+    version('3.10.2', '0594972293f6586458a54b7c1e1121b311a9c9449060355d52bb3bf09ad6812b')
     version('3.10.1', 'f64787c8c2ab3d2f6db3c67d2bfe6ee84f741ce3dfde1d2f8221e131820a12a1')
     version('3.10.0', '069d7a579995e0be1567c5bc869251e29c00044369a786933ca3040149d0412a')
     version('3.9.2', '247585b3f8c10bf50b9464cb8ef7b5f22bead6f96524384897a37ec4146eb03e')
@@ -36,6 +38,7 @@ class Slepc(Package):
     depends_on('python@2.6:2.8', type='build')
     # Cannot mix release and development versions of SLEPc and PETSc:
     depends_on('petsc@develop', when='@develop')
+    depends_on('petsc@3.11:3.11.99', when='@3.11:3.11.99')
     depends_on('petsc@3.10:3.10.99', when='@3.10:3.10.99')
     depends_on('petsc@3.9:3.9.99', when='@3.9:3.9.99')
     depends_on('petsc@3.8:3.8.99', when='@3.8:3.8.99')