Commits

Merge pull request #1437 in HDFFV/hdf5 from ~DEROBINS/hdf5_der:hdf5_1_10 to hdf5_1_10 * commit 'd617b56aacd403b6b99b5a661461b5d84a03e185': Cherry pick of CMake parallel flush fixes.
Merge pull request #1437 in HDFFV/hdf5 from ~DEROBINS/hdf5_der:hdf5_1_10 to hdf5_1_10 * commit 'd617b56aacd403b6b99b5a661461b5d84a03e185': Cherry pick of CMake parallel flush fixes.