see: https://www.illumos.org/issues/15657
void **item is not const in illumos before r151051

diff -wpruN --no-dereference '--exclude=*.orig' a~/plugin/auth_pam/auth_pam_base.c a/plugin/auth_pam/auth_pam_base.c
--- a~/plugin/auth_pam/auth_pam_base.c	1970-01-01 00:00:00
+++ a/plugin/auth_pam/auth_pam_base.c	1970-01-01 00:00:00
@@ -128,7 +128,7 @@ static int conv(int n, const struct pam_
 
 #define DO(X) if ((status = (X)) != PAM_SUCCESS) goto end
 
-#if defined(SOLARIS) || defined(__sun)
+#if (defined(SOLARIS) || defined(__sun)) && OOCEVER < 151051
 typedef void** pam_get_item_3_arg;
 #else
 typedef const void** pam_get_item_3_arg;