openPMD-api: With ADIOS2 by Default (spack#14643)

Replace the deprecated ADIOS1 backend default with ADIOS2 default.
Disable sz since we do not need it and it conflicts with supported
version ranges between ADIOS2 and ADIOS1 if someone enables both.

Author: ax3l

var/spack/repos/builtin/packages/openpmd-api/package.py

@@ -26,9 +26,9 @@ class OpenpmdApi(CMakePackage):
             description='Enable parallel I/O')
     variant('hdf5', default=True,
             description='Enable HDF5 support')
-    variant('adios1', default=True,
+    variant('adios1', default=False,
             description='Enable ADIOS1 support')
-    variant('adios2', default=False,
+    variant('adios2', default=True,
             description='Enable ADIOS2 support')
     variant('python', default=False,
             description='Enable Python bindings')
@@ -40,9 +40,9 @@ class OpenpmdApi(CMakePackage):
     depends_on('hdf5@1.8.13:', when='+hdf5')
     depends_on('hdf5@1.8.13: ~mpi', when='~mpi +hdf5')
     depends_on('hdf5@1.8.13: +mpi', when='+mpi +hdf5')
-    depends_on('adios@1.13.1:', when='+adios1')
-    depends_on('adios@1.13.1: ~mpi', when='~mpi +adios1')
-    depends_on('adios@1.13.1: +mpi', when='+mpi +adios1')
+    depends_on('adios@1.13.1: ~sz', when='+adios1')
+    depends_on('adios@1.13.1: ~mpi ~sz', when='~mpi +adios1')
+    depends_on('adios@1.13.1: +mpi ~sz', when='+mpi +adios1')
     depends_on('adios2@2.5.0:', when='+adios2')
     depends_on('adios2@2.5.0: ~mpi', when='~mpi +adios2')
     depends_on('adios2@2.5.0: +mpi', when='+mpi +adios2')