now call H5PLappend() with PLUGIN_INSTALL_DIR

configure.ac

@@ -1618,7 +1618,7 @@ if test "x$enable_hdf5" = xyes; then
    # H5Pset_fapl_mpiposix and H5Pget_fapl_mpiposix have been removed since HDF5 1.8.12.
    # Use H5Pset_fapl_mpio and H5Pget_fapl_mpio, instead.
 
-   AC_CHECK_FUNCS([H5Pget_fapl_mpio H5Pset_deflate H5Z_SZIP H5Pset_all_coll_metadata_ops H5Literate H5Literate2])
+   AC_CHECK_FUNCS([H5Pget_fapl_mpio H5Pset_deflate H5Z_SZIP H5Pset_all_coll_metadata_ops H5Literate H5Literate2 H5PLappend])
 
    # Check to see if HDF5 library has collective metadata APIs, (HDF5 >= 1.10.0)
    if test "x$ac_cv_func_H5Pset_all_coll_metadata_ops" = xyes; then
@@ -2240,6 +2240,7 @@ AC_CONFIG_FILES(dap4_test/findtestserver4.c:ncdap_test/findtestserver.c.in)
 AC_CONFIG_FILES(dap4_test/pingurl4.c:ncdap_test/pingurl.c)
 AC_CONFIG_FILES([h5_test/run_par_tests.sh], [chmod ugo+x h5_test/run_par_tests.sh])
 AC_CONFIG_FILES([nc_test4/run_par_test.sh], [chmod ugo+x nc_test4/run_par_test.sh])
+AC_CONFIG_FILES([libsrc4/nc4dispatch.c], [chmod ugo+x nc_test4/run_par_test.sh])
 AC_CONFIG_FILES([nc_perf/run_par_bm_test.sh], [chmod ugo+x nc_perf/run_par_bm_test.sh])
 AC_CONFIG_FILES([nc_perf/run_gfs_test.sh], [chmod ugo+x nc_perf/run_gfs_test.sh])
 AC_CONFIG_FILES(nczarr_test/timer_utils.h:unit_test/timer_utils.h)

libsrc4/nc4dispatch.c → libsrc4/nc4dispatch.c.in

@@ -52,6 +52,13 @@ NC4_initialize(void)
         return ret;
 #endif /* USE_UDF0 */
 
+#ifdef HAVE_H5PLAPPEND
+    /* Add the place where plugins were installed to the plugin
+     * path. */
+    if ((ret = H5PLappend("@PLUGIN_INSTALL_DIR@")))
+        return ret;
+#endif
+
 #ifdef LOGGING
     if(getenv(NCLOGLEVELENV) != NULL) {
         char* slevel = getenv(NCLOGLEVELENV);