Sync 1.14 branch with develop #3705
Commits on Oct 18, 2023
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Address nagfor exceptions stoppage. (HDFGroup#3658)
* added cmake ieee flag for nagfor * generalized determining the nag compiler * fixing some misc. NAG warnings
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* Address @jhendersonHDF review
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Fixes test failure for gfortran -O2 and -O3, -fdefault-real-16 (HDFGr…
…oup#3662) * added cmake ieee flag for nagfor * fixes gfortran -O2 and -O3, -fdefault-real-16 * fixed sync * updated release notes
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Fix uninitialized subfiling test variable (HDFGroup#3675)
Picked up by gcc 10 on skybridge. Probably spurious, but no harm in initializing it to a "bad" value.
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Add support for AOCC & Flang w/ the Autotools (HDFGroup#3674)
* Adds a config/clang-fflags options file to support Flang * Corrects missing "-Wl," from linker options in the libtool wrappers when using Flang, the MPI Fortran compiler wrappers, and building the shared library. This would often result in unrecognized options like -soname. * Enable -nomp w/ Flang to avoid linking to the OpenMPI library. CMake can build the parallel, shared library w/ Fortran using AOCC and Flang, so no changes were needed for that build system. Fixes GitHub issues HDFGroup#3439, HDFGroup#1588, HDFGroup#366, HDFGroup#280
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Fix a strncpy call to use dest size not src (HDFGroup#3677)
A strncpy call in a path construction call used the size of the src buffer instead of the dest buffer as the limit n. This was switched to use the dest size and properly terminate the string if truncation occurs.
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Remove CANBE_UNUSED() from subfiling VFD (HDFGroup#3678)
This macro was an attempt to quiet warnings about release mode unused variables that only appear in asserts. It resolves to a void cast, which doesn't quiet warnings when an assignment has already taken place.
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Suppress MPI_Waitall warnings w/ MPICH (HDFGroup#3680)
MPICH defines MPI_STATUSES_IGNORE (a pointer) to 1, which raises warnings w/ gcc. This is a known issue that the MPICH devs are not going to fix. See here: pmodels/mpich#5687 This fix suppresses those issues w/ gcc -
Fix a possible NULL pointer dereference in tests (HDFGroup#3676)
The dtypes test could dereference a NULL pointer if a strdup call failed.
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Fix printf warnings in t_mpi (HDFGroup#3679)
* Fix printf warnings in t_mpi The type of MPI_Offset varies with implementation. In MPICH, it's long, which raises warnings when we attempt to use long long format specifiers. Casting to long long fixes the warnings.
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Fix invalid memory access in S3 comms (HDFGroup#3681)
In the ros3 VFD, passing an empty string parameter to an internal API call could result in accessing the -1th element of a string. This would cause failures on big-endian systems like s390x. This parameter is now checked before writing to the string. Fixes GitHub HDFGroup#1168
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Restore floating-point suffixes in tests (HDFGroup#3698)
A prior commit removed too many F suffixes. This restores the suffixes for float variables.
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