From 73bf6d25ddb7a2cb73bceda3d880174b1d1e4a26 Mon Sep 17 00:00:00 2001
From: Yousong Zhou <yszhou4tech@gmail.com>
Date: Wed, 17 Jun 2015 21:18:05 +0800
Subject: [PATCH] build: ignore pam_lastlog when logwtmp is not available.

* configure.ac: check logwtmp and set COND_BUILD_PAM_LASTLOG
* modules/pam_lastlog/Makefile.am: check COND_BUILD_PAM_LASTLOG

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
[Retrieved from:
https://github.com/linux-pam/linux-pam/commit/73bf6d25ddb7a2cb73bceda3d880174b1d1e4a26]
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
---
 configure.ac        | 2 ++
 modules/Makefile.am | 8 ++++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 69748614..4d1b1965 100644
--- a/configure.ac
+++ b/configure.ac
@@ -534,8 +534,10 @@ AC_CHECK_FUNCS(getutent_r getpwnam_r getpwuid_r getgrnam_r getgrgid_r getspnam_r
 AC_CHECK_FUNCS(getgrouplist getline getdelim)
 AC_CHECK_FUNCS(inet_ntop inet_pton innetgr)
 AC_CHECK_FUNCS([ruserok_af ruserok], [break])
+AC_CHECK_FUNCS([logwtmp])
 
 AM_CONDITIONAL([COND_BUILD_PAM_RHOSTS], [test "$ac_cv_func_ruserok_af" = yes -o "$ac_cv_func_ruserok" = yes])
+AM_CONDITIONAL([COND_BUILD_PAM_LASTLOG], [test "$ac_cv_func_logwtmp" = yes])
 
 AC_CHECK_FUNCS(unshare, [UNSHARE=yes], [UNSHARE=no])
 AM_CONDITIONAL([HAVE_UNSHARE], [test "$UNSHARE" = yes])
diff --git a/modules/Makefile.am b/modules/Makefile.am
index 9ad26a9b..b98dc5c8 100644
--- a/modules/Makefile.am
+++ b/modules/Makefile.am
@@ -6,9 +6,13 @@ if COND_BUILD_PAM_RHOSTS
 	MAYBE_PAM_RHOSTS = pam_rhosts
 endif
 
+if COND_BUILD_PAM_LASTLOG
+	MAYBE_PAM_LASTLOG = pam_lastlog
+endif
+
 SUBDIRS := pam_access pam_cracklib pam_debug pam_deny pam_echo \
 	pam_env pam_exec pam_faildelay pam_filter pam_ftp \
-	pam_group pam_issue pam_keyinit pam_lastlog pam_limits \
+	pam_group pam_issue pam_keyinit pam_limits \
 	pam_listfile pam_localuser pam_loginuid pam_mail \
 	pam_mkhomedir pam_motd pam_namespace pam_nologin \
 	pam_permit pam_pwhistory pam_rootok pam_securetty \
@@ -16,7 +20,7 @@ SUBDIRS := pam_access pam_cracklib pam_debug pam_deny pam_echo \
 	pam_succeed_if pam_tally pam_tally2 pam_time pam_timestamp \
 	pam_tty_audit pam_umask \
 	pam_unix pam_userdb pam_warn pam_wheel pam_xauth \
-	$(MAYBE_PAM_RHOSTS)
+	$(MAYBE_PAM_RHOSTS) $(MAYBE_PAM_LASTLOG)
 
 CLEANFILES = *~