imported from OmniOS
Try to get more FILE's on 32bit systems, or limit itself to not cross the limit if it fails

diff -wpruN --no-dereference '--exclude=*.orig' a~/bfd/cache.c a/bfd/cache.c
--- a~/bfd/cache.c	1970-01-01 00:00:00
+++ a/bfd/cache.c	1970-01-01 00:00:00
@@ -99,7 +99,24 @@ bfd_cache_max_open (void)
 
       if (getrlimit (RLIMIT_NOFILE, &rlim) == 0
 	  && rlim.rlim_cur != (rlim_t) RLIM_INFINITY)
+      {
+#if defined(__illumos__) && defined(_ILP32)
+	/*
+	 * illumos stdio for 32-bit has an ABI-constrained limit that
+	 * the UNIX file descriptor must be 255 or less.
+	 *
+	 * This can be corrected by enabling extended FILE stdio, which
+	 * we do here if the reported rlimit allows us to do so.
+	 */
+	if (rlim.rlim_cur > 256 &&
+		enable_extended_FILE_stdio(-1, -1) == -1) {
+	  perror("Can't enable extended FILE");
+	  /* Cap it at 250 to not break stdio. */
+	  max = 250;
+	} else
+#endif /* __illumos__ */
 	max = rlim.rlim_cur / 8;
+      }
       else
 #endif
 #ifdef _SC_OPEN_MAX