From c5c94a1d2cd42ae9c83e1b3b2e3bf15ae027ad95 Mon Sep 17 00:00:00 2001
From: nekral-guest <nekral-guest@5a98b0ae-9ef6-0310-add3-de5d479b70d7>
Date: Sun, 24 Jan 2010 16:53:15 +0000
Subject: [PATCH] 	* configure.in: Add support for TCB in configure.in.
 Actual TCB 	support will follow.

---
 ChangeLog    |  5 +++++
 configure.in | 25 +++++++++++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index d26a6a98..8f1d309e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-01-24  Paweł Hajdan, Jr.  <phajdan.jr@gentoo.org>
+
+	* configure.in: Add support for TCB in configure.in. Actual TCB
+	support will follow.
+
 2009-11-05  Nicolas François  <nicolas.francois@centraliens.net>
 
 	* NEWS, src/groupmod.c: Fixed groupmod when configured with
diff --git a/configure.in b/configure.in
index a0dc993d..4d634f19 100644
--- a/configure.in
+++ b/configure.in
@@ -249,6 +249,9 @@ AC_ARG_WITH(selinux,
 AC_ARG_WITH(skey,
 	[AC_HELP_STRING([--with-skey], [use S/Key support @<:@default=no@:>@])],
 	[with_skey=$withval], [with_skey=no])
+AC_ARG_WITH(tcb,
+	[AC_HELP_STRING([--with-tcb], [use tcb support (incomplete) @<:@default=yes if found@:>@])],
+	[with_tcb=$withval], [with_tcb=maybe])
 AC_ARG_WITH(libcrack,
 	[AC_HELP_STRING([--with-libcrack], [use libcrack @<:@default=yes if found and if PAM not enabled@:>@])],
 	[with_libcrack=$withval], [with_libcrack=no])
@@ -382,6 +385,27 @@ if test "$with_selinux" != "no"; then
 	fi
 fi
 
+AC_SUBST(LIBTCB)
+if test "$with_tcb" != "no"; then
+	AC_CHECK_HEADERS(tcb.h, [tcb_header="yes"], [tcb_header="no"])
+	if test "$tcb_header$with_tcb" = "noyes" ; then
+		AC_MSG_ERROR([tcb.h is missing])
+	elif test "$tcb_header" = "yes" ; then
+		AC_CHECK_LIB(tcb, tcb_is_suspect, [tcb_lib="yes"], [tcb_lib="no"])
+		if test "$tcb_lib$with_tcb" = "noyes" ; then
+			AC_MSG_ERROR([libtcb not found])
+		elif test "$tcb_lib" = "no" ; then
+			with_tcb="no"
+		else
+			AC_DEFINE(WITH_TCB, 1, [Build shadow with tcb support (incomplete)])
+			LIBTCB="-ltcb"
+			with_tcb="yes"
+		fi
+	else
+		with_tcb="no"
+	fi
+fi
+
 AC_SUBST(LIBPAM)
 if test "$with_libpam" != "no"; then
 	AC_CHECK_LIB(pam, pam_start,
@@ -540,6 +564,7 @@ if test "$with_libpam" = "yes"; then
 echo "	suid account management tools:	$enable_acct_tools_setuid"
 fi
 echo "	SELinux support:		$with_selinux"
+echo "	tcb support (incomplete):	$with_tcb"
 echo "	shadow group support:		$enable_shadowgrp"
 echo "	S/Key support:			$with_skey"
 echo "	SHA passwords encryption:	$with_sha_crypt"