gcc13 does not define SSIZE_MAX

Manually define it based on the length of the ssize_t type.

Fixes #12109

Signed-off-by: George Bosilca <bosilca@icl.utk.edu>

Author: bosilca

opal/include/opal_config_bottom.h

@@ -17,6 +17,7 @@
  *                         and Technology (RIST). All rights reserved.
  * Copyright (c) 2015-2017 Intel, Inc. All rights reserved.
  * Copyright (c) 2021      FUJITSU LIMITED.  All rights reserved.
+ * Copyright (c) 2023      NVIDIA Corporation.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -568,6 +569,17 @@ typedef struct {
 } opal_short_float_complex_t;
 #    endif
 
+/* gcc 13 does not define SSIZE_MAX as required by the POSIX standard.
+ * As a workaround we define ours.
+ */
+#ifndef SSIZE_MAX
+#  if SIZEOF_SSIZE_T == SIZEOF_LONG
+#    define SSIZE_MAX LONG_MAX
+#  elif SIZEOF_SSIZE_T == SIZEOF_LONG_LONG
+#    define SSIZE_MAX LONG_LONG_MAX
+#  endif
+#endif
+
 #else
 
 /* For a similar reason to what is listed in opal_config_top.h, we