CMake hdf5-config.cmake.in needs review

[byrnHDF]

hdf5-config.cmake.in section "User Options" needs to be reviewed for completeness and correctness.
Some options do not return expected ON/OFF results.

[byrnHDF]

libhdf5.settings considers these as features:
Features:

                 Parallel HDF5: OFF

Parallel Filtered Dataset Writes:
Large Parallel I/O:
High-level library: ON
Dimension scales w/ new references:
Build HDF5 Tests: ON
Build HDF5 Tools: ON
Build GIF Tools: OFF
Threadsafety: OFF
Default API mapping: v116
With deprecated public symbols: ON
I/O filters (external): DEFLATE DECODE ENCODE
Map (H5M) API:
Direct VFD:
Mirror VFD:
Subfiling VFD:
(Read-Only) S3 VFD:
(Read-Only) HDFS VFD:
Packages w/ extra debug output:
API Tracing: OFF
Using memory checker: OFF
Function Stack Tracing: OFF
Use file locking: best-effort
Strict File Format Checks: OFF
Optimization Instrumentation:

[byrnHDF]

This is what CMake puts in the hdf5_config.cmake file:

#-----------------------------------------------------------------------------

User Options

#-----------------------------------------------------------------------------
set (${HDF5_PACKAGE_NAME}_ENABLE_PARALLEL OFF)
set (${HDF5_PACKAGE_NAME}_BUILD_FORTRAN ON)
set (${HDF5_PACKAGE_NAME}_BUILD_CPP_LIB ON)
set (${HDF5_PACKAGE_NAME}_BUILD_JAVA ON)
set (${HDF5_PACKAGE_NAME}_BUILD_TOOLS ON)
set (${HDF5_PACKAGE_NAME}_BUILD_HL_LIB ON)
set (${HDF5_PACKAGE_NAME}_BUILD_HL_GIF_TOOLS OFF)
set (${HDF5_PACKAGE_NAME}_ENABLE_THREADSAFE OFF)
set (${HDF5_PACKAGE_NAME}_ENABLE_PLUGIN_SUPPORT ON)
set (${HDF5_PACKAGE_NAME}_ENABLE_Z_LIB_SUPPORT ON)
set (${HDF5_PACKAGE_NAME}_ENABLE_SZIP_SUPPORT ON)
set (${HDF5_PACKAGE_NAME}_ENABLE_SZIP_ENCODING ON)
set (${HDF5_PACKAGE_NAME}_ENABLE_ROS3_VFD OFF)
set (${HDF5_PACKAGE_NAME}_ENABLE_SUBFILING_VFD OFF)
set (${HDF5_PACKAGE_NAME}_BUILD_SHARED_LIBS YES)
set (${HDF5_PACKAGE_NAME}_BUILD_STATIC_LIBS YES)
set (${HDF5_PACKAGE_NAME}_PACKAGE_EXTLIBS ON)
set (${HDF5_PACKAGE_NAME}_EXPORT_LIBRARIES hdf5-static;hdf5-shared;hdf5_tools-static;hdf5_tools-shared;hdf5_hl-static;hdf5_hl-shared;hdf5_f90cstub-static;hdf5_f90cstub-shared;hdf5_fortran-static;hdf5_fortran-shared;hdf5_hl_f90cstub-static;hdf5_hl_f90cstub-shared;hdf5_hl_fortran-static;hdf5_hl_fortran-shared;hdf5_cpp-static;hdf5_cpp-shared;hdf5_hl_cpp-static;hdf5_hl_cpp-shared;hdf5_java)
set (${HDF5_PACKAGE_NAME}_ARCHITECTURE "")
set (${HDF5_PACKAGE_NAME}_TOOLSET "")
set (${HDF5_PACKAGE_NAME}_DEFAULT_API_VERSION "v116")
set (${HDF5_PACKAGE_NAME}_PARALLEL_FILTERED_WRITES )
set (${HDF5_PACKAGE_NAME}_INSTALL_MOD_FORTRAN "NO")

[derobins]

Fixed in #3725