* Fix MPI Fortran configuration for HDF5Examples (#6205)
When building Fortran parallel examples standalone without MPI
wrappers, the compiler cannot find mpi.mod because
MPI_Fortran_INCLUDE_DIRS is not populated.
* Use MPI::MPI_Fortran imported target instead of raw MPI variables
Replace manual MPI_Fortran_LIBRARIES, MPI_Fortran_LINK_FLAGS, and
MPI_Fortran_INCLUDE_DIRS usage with the MPI::MPI_Fortran imported
target, which transitively carries all include dirs, compile flags,
and link flags. This eliminates the CMAKE_Fortran_EXE_LINKER_FLAGS
hack and the manual target_include_directories in H5PAR.
When building Fortran parallel examples without MPI wrappers, the
compiler couldn't find mpi.mod because MPI_Fortran_INCLUDE_DIRS
was not populated. This occurred because find_package(MPI) was only
called for C, not Fortran.
Added enable_language(Fortran) and find_package(MPI REQUIRED
COMPONENTS Fortran) to properly configure MPI for Fortran examples,
ensuring MPI include directories and libraries are correctly set.
Renamed all HDF5 examples build options from H5EX_* to H5EXAMPLE_* to better distinguish them from library options when building examples alongside the library.
Updated all CMake files, including:
Main examples CMakeLists.txt files
CMake configuration files in config/ directory
CMake preset files
Updated documentation files to reflect new option names
This update systematically renames variables across 2.0+ CMake files in the HDF5Examples directory and configuration templates. The goal is to change variables from sounding like build "options" (e.g., HDF5_BUILD_TOOLS, HDF5_ENABLE_PARALLEL) to reflecting library "state" (e.g., what features the installed library provides).
* Cleanup threads package checks
* Check first if package was found
* Remove unnecessary dependent checks
* Remove Unused options and fix names of option prefix
Complete overhaul of the concurrency-related aspects of the library (threading, atomics, locking, etc.), adding private routines in the H5TS package to allow internal algorithms to use all of these capabilities.
Adds many new features & components in the H5TS package that are equivalent to common concurrency data structures and capabilities: "regular" and recursive mutices, condition variables, semaphores, thread barriers, 'once' support, thread pools, atomic variables, thread-local keys, and spawning & joining internal threads.
Now supports C11, pthreads, and Windows threading for all H5TS capabilities, except the recursive readers/writers lock, which is not supported on Windows (because Windows threads don't provide a callback on thread-local variable deletion).
The "global" API lock is switched to use a recursive mutex from the H5TS package, instead of its own variant.
API context code (H5CX package) and error stacks (H5E package) now use the common thread-local info, instead of their own variants.
Subfiling code is switched from using Mercury threading features to the new internal H5TS features.
Removes the mercury threading code.
Adds a configure option (--enable-threads / HDF5_ENABLE_THREADS), enabled by default, to control whether threading is enabled within the library.
* Merge examples repo into library
* Change grepTest to be more fault-tolerant
* Update examples macro file
* Exclude all Fortran examples from doxygen
jhendersonHDF
Scot Breitenfeld
Allen Byrne
Quincey Koziol