Merge pull request #2786 in HDFFV/hdf5 from ~LRKNOX/hdf5_lrk:hdf5_1_10 to hdf5_1_10
* commit '3b9c648180fcdc7ac4e110f4455d00e67322b742':
Merge pull request #2753 in HDFFV/hdf5 from ~EPOURMAL/hdf5_ep:develop to develo
1. HDFFV-10830 part 2, move AC_CHECK_HEADERS([szlib.h] after AC_CHECK_LIB([sz], [SZ_BufftoBuffCompress] to avoid compiling H5Z.c with szlib.h after its path is removed from AM_CPPFLAGS. 2. Remove unnecessary links to ${HDF5_TOOLS_LIB_TARGET} in utils/mirror_vfd/CMakeLists.txt that prevent building HDF5 with tools disabled.