--- src/configure.in	Tue Jan 10 16:13:35 2012
+++ src/configure.in	Fri Jan 13 14:10:21 2012
@@ -3106,6 +3106,7 @@
 
 dnl Link with -lposix1e for ACL stuff; if not found, try -lacl for SGI
 dnl when -lacl works, also try to use -lattr (required for Debian).
+dnl On Solaris, use the acl_get/set functions in libsec, if present.
 AC_MSG_CHECKING(--disable-acl argument)
 AC_ARG_ENABLE(acl,
 	[  --disable-acl           Don't check for ACL support.],
@@ -3128,7 +3129,8 @@
 	AC_MSG_RESULT(yes); AC_DEFINE(HAVE_POSIX_ACL),
 	AC_MSG_RESULT(no))
 
-AC_MSG_CHECKING(for Solaris ACL support)
+AC_CHECK_LIB(sec, acl_get, [LIBS="$LIBS -lsec"; AC_DEFINE(HAVE_SOLARIS_ZFS_ACL)],
+AC_MSG_CHECKING(for Solaris ACL support)
 AC_TRY_LINK([
 #ifdef HAVE_SYS_ACL_H
 # include <sys/acl.h>
@@ -3135,7 +3137,7 @@
 #endif], [acl("foo", GETACLCNT, 0, NULL);
 	],
 	AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SOLARIS_ACL),
-	AC_MSG_RESULT(no))
+	AC_MSG_RESULT(no)))
 
 AC_MSG_CHECKING(for AIX ACL support)
 AC_TRY_LINK([
--- src/config.h.in	Fri Jan 13 13:29:05 2012
+++ src/config.h.in	Fri Jan 13 13:29:13 2012
@@ -363,6 +363,7 @@
 
 /* Define if you want to add support for ACL */
 #undef HAVE_POSIX_ACL
+#undef HAVE_SOLARIS_ZFS_ACL
 #undef HAVE_SOLARIS_ACL
 #undef HAVE_AIX_ACL
 
--- src/os_unix.c	Tue Jan 10 16:13:35 2012
+++ src/os_unix.c	Fri Jan 13 15:57:08 2012
@@ -2746,6 +2746,13 @@
 #ifdef HAVE_POSIX_ACL
     ret = (vim_acl_T)acl_get_file((char *)fname, ACL_TYPE_ACCESS);
 #else
+#ifdef HAVE_SOLARIS_ZFS_ACL
+    acl_t *aclent;
+
+    if (acl_get((char *)fname, 0, &aclent) < 0)
+	return NULL;
+    ret = (vim_acl_T)aclent;
+#else
 #ifdef HAVE_SOLARIS_ACL
     vim_acl_solaris_T   *aclent;
 
@@ -2791,6 +2798,7 @@
     ret = (vim_acl_T)aclent;
 #endif /* HAVE_AIX_ACL */
 #endif /* HAVE_SOLARIS_ACL */
+#endif /* HAVE_SOLARIS_ZFS_ACL */
 #endif /* HAVE_POSIX_ACL */
     return ret;
 }
@@ -2808,6 +2816,9 @@
 #ifdef HAVE_POSIX_ACL
     acl_set_file((char *)fname, ACL_TYPE_ACCESS, (acl_t)aclent);
 #else
+#ifdef HAVE_SOLARIS_ZFS_ACL
+    acl_set((char *)fname, (acl_t *)aclent);
+#else
 #ifdef HAVE_SOLARIS_ACL
     acl((char *)fname, SETACL, ((vim_acl_solaris_T *)aclent)->acl_cnt,
 	    ((vim_acl_solaris_T *)aclent)->acl_entry);
@@ -2816,6 +2827,7 @@
     chacl((char *)fname, aclent, ((struct acl *)aclent)->acl_len);
 #endif /* HAVE_AIX_ACL */
 #endif /* HAVE_SOLARIS_ACL */
+#endif /* HAVE_SOLARIS_ZFS_ACL */
 #endif /* HAVE_POSIX_ACL */
 }
 
@@ -2828,6 +2840,9 @@
 #ifdef HAVE_POSIX_ACL
     acl_free((acl_t)aclent);
 #else
+#ifdef HAVE_SOLARIS_ZFS_ACL
+    acl_free((acl_t *)aclent);
+#else
 #ifdef HAVE_SOLARIS_ACL
     free(((vim_acl_solaris_T *)aclent)->acl_entry);
     free(aclent);
@@ -2836,6 +2851,7 @@
     free(aclent);
 #endif /* HAVE_AIX_ACL */
 #endif /* HAVE_SOLARIS_ACL */
+#endif /* HAVE_SOLARIS_ZFS_ACL */
 #endif /* HAVE_POSIX_ACL */
 }
 #endif