a) Add comments to test_4() in test/external.c about the name "/ link".
b) Fix one memory leak in src/H5Lexternal.c: free memory pointed to by tmp_env_prefix for HDF5_EXT_PREFIX case.
3. Made changes for bug #1930 as in rev #19783, #19781 in trunk.
4. Made corresponding CMake changes as in rev #19782 in trunk.
Bring metadata accumulator fixes and tests into 1.8
Description:
Changes consist of addition of tests for H5Faccum.c source code,
as well as some fixes that address some discovered bugs in the
metadata accumulator on several corner cases.
Tested:
h5committested
Corrected use/name of source folder aliases.
Duplicated FindMPI.cmake so that non-c++ compiler is found first (recommemded commands did not work).
Bring r19325 from trunk
Tested: local linux with mpich