Add adios2 TPL

tribits/common_tpls/FindTPLADIOS2.cmake

@@ -0,0 +1,67 @@
+# @HEADER
+# *****************************************************************************
+#           Trilinos: An Object-Oriented Solver Framework
+#
+# Copyright 2001-2024 NTESS and the Trilinos contributors.
+# SPDX-License-Identifier: BSD-3-Clause
+# *****************************************************************************
+# @HEADER
+
+if (${CMAKE_VERSION} GREATER "3.13")
+     cmake_policy(SET CMP0074 NEW)
+endif()
+
+# First, set up the variables for the (backward-compatible) TriBITS way of
+# finding ADIOS2.  These are used in case find_package(ADIOS2 ...) is not
+# called or does not find HDF5.  Also, these variables need to be non-null
+# in order to trigger the right behavior in the function
+# tribits_tpl_find_include_dirs_and_libraries().
+
+set(REQUIRED_HEADERS adios2.h)
+set(REQUIRED_LIBS_NAMES adios2_c adios2_cxx11)
+
+if (TPL_ENABLE_MPI)
+  set(REQUIRED_LIBS_NAMES ${REQUIRED_LIBS_NAMES} adios2_c_mpi adios2_cxx11_mpi)
+endif()
+
+#
+# Second, search for ADIOS2 components (if allowed) using the standard
+# find_package(ADIOS2 ...).
+#
+tribits_tpl_allow_pre_find_package(ADIOS2  ADIOS2_ALLOW_PREFIND)
+if (ADIOS2_ALLOW_PREFIND)
+
+  message("-- Using find_package(ADIOS2 ...) ...")
+  set(CMAKE_MODULE_PATH
+    "${CMAKE_MODULE_PATH}"
+    "${CMAKE_CURRENT_LIST_DIR}/find_modules"
+    "${CMAKE_CURRENT_LIST_DIR}/utils"
+     )
+
+  find_package(ADIOS2)
+endif()
+
+#
+# Third, call tribits_tpl_find_include_dirs_and_libraries()
+#
+tribits_tpl_find_include_dirs_and_libraries( ADIOS2
+  REQUIRED_HEADERS ${REQUIRED_HEADERS}
+  REQUIRED_LIBS_NAMES ${REQUIRED_LIBS_NAMES}
+  )
+# NOTE: If find_package(ADIOS2 ...) was called and successfully found ADIOS2,
+# then tribits_tpl_find_include_dirs_and_libraries() will use the already-set
+# variables TPL_ADIOS2_INCLUDE_DIRS and TPL_ADIOS2_LIBRARIES and then print
+# them out (and set some other standard variables as well).  This is the final
+# "hook" into the TriBITS TPL system.
+
+# If the `find_package(ADIOS2)` is not run, then this may not be set
+# Need to determine how this is set in the library that is being used...
+
+if ("${TPL_ADIOS2_PARALLEL}" STREQUAL "")
+   assert_defined(TPL_ADIOS2_INCLUDE_DIRS)
+   if ("${TPL_ADIOS2_PARALLEL}" STREQUAL "")
+      set(TPL_ADIOS2_PARALLEL False CACHE INTERNAL
+          "True if ADIOS2 compiled with parallel enabled")
+   endif()
+endif()
+message(STATUS "TPL_ADIOS2_PARALLEL is ${TPL_ADIOS2_PARALLEL}")