Updated configure & CMake compiler flags for GCC 8.x, along with corresponding

changes to warnhist script (and some extra improvements for condensing C++
and Java warnings), and fixed a bunch of warnings.

3 files changed, 10 insertions, 10 deletions

diff --git a/tools/lib/h5diff_array.c b/tools/lib/h5diff_array.c
index 0169131..ac385c9 100644
--- a/tools/lib/h5diff_array.c
+++ b/tools/lib/h5diff_array.c
@@ -516,14 +516,14 @@ static hsize_t diff_datum(
             if (H5Tis_variable_str(m_type)) {
                 h5difftrace("diff_datum H5T_STRING variable\n");
                 /* Get pointer to first string */
-                s1 = *(char**) mem1;
+                s1 = *(char **)((void *)mem1);
                 if (s1)
                     size1 = HDstrlen(s1);
                 else
                     size1 = 0;
 
                 /* Get pointer to second string */
-                s2 = *(char**) mem2;
+                s2 = *(char **)((void *)mem2);
                 if (s2)
                     size2 = HDstrlen(s2);
                 else
@@ -828,10 +828,10 @@ static hsize_t diff_datum(
             size = H5Tget_size(memb_type);
 
             /* get the number of sequence elements */
-            nelmts = ((hvl_t *) mem1)->len;
+            nelmts = ((hvl_t *)((void *)mem1))->len;
 
             for (j = 0; j < nelmts; j++)
-                nfound += diff_datum(((char *) (((hvl_t *) mem1)->p)) + j * size, ((char *) (((hvl_t *) mem2)->p)) + j * size, memb_type, index,
+                nfound += diff_datum(((char *) (((hvl_t *)((void *)mem1))->p)) + j * size, ((char *) (((hvl_t *) mem2)->p)) + j * size, memb_type, index,
                         rank, dims, acc, pos, opts, obj1, obj2, container1_id, container2_id, ph, members);
 
             H5Tclose(memb_type);
diff --git a/tools/lib/h5tools.c b/tools/lib/h5tools.c
index d93f7b0..f103647 100644
--- a/tools/lib/h5tools.c
+++ b/tools/lib/h5tools.c
@@ -1283,7 +1283,7 @@ render_bin_output(FILE *stream, hid_t container, hid_t tid, void *_mem,  hsize_t
                     mem = ((unsigned char*)_mem) + block_index * size;
 
                     if (H5Tis_variable_str(tid)) {
-                        s = *(char**) mem;
+                        s = *(char **)((void *)mem);
                         if (s != NULL)
                             size = HDstrlen(s);
                         else
@@ -1375,10 +1375,10 @@ render_bin_output(FILE *stream, hid_t container, hid_t tid, void *_mem,  hsize_t
                 for (block_index = 0; block_index < block_nelmts; block_index++) {
                     mem = ((unsigned char*)_mem) + block_index * size;
                     /* Get the number of sequence elements */
-                    nelmts = ((hvl_t *) mem)->len;
+                    nelmts = ((hvl_t *)((void *)mem))->len;
 
                     /* dump the array element */
-                    if (render_bin_output(stream, container, memb, ((char *) (((hvl_t *) mem)->p)), nelmts) < 0) {
+                    if (render_bin_output(stream, container, memb, ((char *) (((hvl_t *)((void *)mem))->p)), nelmts) < 0) {
                         H5Tclose(memb);
                         H5E_THROW(FAIL, H5E_tools_min_id_g, "render_bin_output failed")
                     }
diff --git a/tools/lib/h5tools_str.c b/tools/lib/h5tools_str.c
index 3e8f1fe..17e3f18 100644
--- a/tools/lib/h5tools_str.c
+++ b/tools/lib/h5tools_str.c
@@ -787,7 +787,7 @@ h5tools_str_sprint(h5tools_str_t *str, const h5tool_format_t *info, hid_t contai
                     if(H5Tis_variable_str(type)) {
                         /* cp_vp is the pointer into the struct where a `char*' is stored. So we have
                          * to dereference the pointer to get the `char*' to pass to HDstrlen(). */
-                        s = *(char**) cp_vp;
+                        s = *(char **)((void *)cp_vp);
                         if(s != NULL) size = HDstrlen(s);
                     }
                     else {
@@ -1240,7 +1240,7 @@ h5tools_str_sprint(h5tools_str_t *str, const h5tool_format_t *info, hid_t contai
                     h5tools_str_append(str, "%s", OPT(info->vlen_pre, "("));
 
                     /* Get the number of sequence elements */
-                    nelmts = ((hvl_t *) cp_vp)->len;
+                    nelmts = ((hvl_t *)((void *)cp_vp))->len;
 
                     for(i = 0; i < nelmts; i++) {
                         if(i) h5tools_str_append(str, "%s", OPT(info->vlen_sep, "," OPTIONAL_LINE_BREAK));
@@ -1264,7 +1264,7 @@ h5tools_str_sprint(h5tools_str_t *str, const h5tool_format_t *info, hid_t contai
                         ctx->indent_level++;
 
                         /* Dump the array element */
-                        h5tools_str_sprint(str, info, container, memb, ((char *) (((hvl_t *) cp_vp)->p)) + i * size, ctx);
+                        h5tools_str_sprint(str, info, container, memb, ((char *) (((hvl_t *)((void *)cp_vp))->p)) + i * size, ctx);
 
                         ctx->indent_level--;
                     } /* end for */