From 63862ed15e1abb4b29c5a43b469321c928613c62 Mon Sep 17 00:00:00 2001
From: Alberto Gonzalez Iniesta <agi@inittab.org>
Date: Wed, 29 Oct 2014 17:43:51 +0100
Subject: Imported Upstream version 2.3.5

---
 configure.ac | 38 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 6ad8ff4..0e0fae5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -60,6 +60,13 @@ AC_ARG_ENABLE(
 	[enable_crypto="yes"]
 )
 
+AC_ARG_ENABLE(
+	[ofb-cfb],
+	[AS_HELP_STRING([--enable-ofb-cfb], [enable support for OFB and CFB cipher modes @<:@default=yes@:>@])],
+	,
+	[enable_crypto_ofb_cfb="yes"]
+)
+
 AC_ARG_ENABLE(
 	[ssl],
 	[AS_HELP_STRING([--disable-ssl], [disable SSL support for TLS-based key exchange @<:@default=yes@:>@])],
@@ -350,15 +357,18 @@ AC_ARG_VAR([IPROUTE], [full path to ip utility])
 AC_ARG_VAR([NETSTAT], [path to netstat utility]) # tests
 AC_ARG_VAR([MAN2HTML], [path to man2html utility])
 AC_ARG_VAR([GIT], [path to git utility])
+AC_ARG_VAR([SYSTEMD_ASK_PASSWORD], [path to systemd-ask-password utility])
 AC_PATH_PROGS([IFCONFIG], [ifconfig],, [$PATH:/usr/local/sbin:/usr/sbin:/sbin])
 AC_PATH_PROGS([ROUTE], [route],, [$PATH:/usr/local/sbin:/usr/sbin:/sbin])
 AC_PATH_PROGS([IPROUTE], [ip],, [$PATH:/usr/local/sbin:/usr/sbin:/sbin])
+AC_PATH_PROGS([SYSTEMD_ASK_PASSWORD], [systemd-ask-password],, [$PATH:/usr/local/bin:/usr/bin:/bin])
 AC_CHECK_PROGS([NETSTAT], [netstat], [netstat], [$PATH:/usr/local/sbin:/usr/sbin:/sbin:/etc]) # tests
 AC_CHECK_PROGS([MAN2HTML], [man2html])
 AC_CHECK_PROGS([GIT], [git]) # optional
 AC_DEFINE_UNQUOTED([IFCONFIG_PATH], ["$IFCONFIG"], [Path to ifconfig tool])
 AC_DEFINE_UNQUOTED([IPROUTE_PATH], ["$IPROUTE"], [Path to iproute tool])
 AC_DEFINE_UNQUOTED([ROUTE_PATH], ["$ROUTE"], [Path to route tool])
+AC_DEFINE_UNQUOTED([SYSTEMD_ASK_PASSWORD_PATH], ["$SYSTEMD_ASK_PASSWORD"], [Path to systemd-ask-password tool])
 
 #
 # Libtool
@@ -890,6 +900,31 @@ if test "${have_lzo}" = "yes"; then
 	CFLAGS="${saved_CFLAGS}"
 fi
 
+
+dnl
+dnl Check for systemd
+dnl
+
+if test "$enable_systemd" = "yes" ; then
+    PKG_CHECK_MODULES([libsystemd], [systemd libsystemd],
+                      [],
+                      [PKG_CHECK_MODULES([libsystemd], [libsystemd-daemon])]
+                      )
+    AC_CHECK_HEADERS(systemd/sd-daemon.h,
+       ,
+       [
+	   AC_MSG_ERROR([systemd development headers not found.])
+       ])
+
+    saved_LIBS="${LIBS}"
+    LIBS="${LIBS} ${libsystemd_LIBS}"
+    AC_CHECK_FUNCS([sd_booted], [], [AC_MSG_ERROR([systemd library is missing sd_booted()])])
+    OPTIONAL_SYSTEMD_LIBS="${libsystemd_LIBS}"
+    AC_DEFINE(ENABLE_SYSTEMD, 1, [Enable systemd integration])
+    LIBS="${saved_LIBS}"
+fi
+
+
 AC_MSG_CHECKING([git checkout])
 GIT_CHECKOUT="no"
 if test -n "${GIT}" -a -d "${srcdir}/.git"; then
@@ -930,7 +965,6 @@ test "${enable_def_auth}" = "yes" && AC_DEFINE([ENABLE_DEF_AUTH], [1], [Enable d
 test "${enable_pf}" = "yes" && AC_DEFINE([ENABLE_PF], [1], [Enable internal packet filter])
 test "${enable_strict_options}" = "yes" && AC_DEFINE([ENABLE_STRICT_OPTIONS_CHECK], [1], [Enable strict options check between peers])
 test "${enable_password_save}" = "yes" && AC_DEFINE([ENABLE_PASSWORD_SAVE], [1], [Allow --askpass and --auth-user-pass passwords to be read from a file])
-test "${enable_systemd}" = "yes" && AC_DEFINE([ENABLE_SYSTEMD], [1], [Enable systemd support])
 
 case "${with_crypto_library}" in
 	openssl)
@@ -962,6 +996,7 @@ fi
 
 if test "${enable_crypto}" = "yes"; then
 	test "${have_crypto_crypto}" != "yes" && AC_MSG_ERROR([${with_crypto_library} crypto is required but missing])
+	test "${enable_crypto_ofb_cfb}" = "yes" && AC_DEFINE([ENABLE_OFB_CFB_MODE], [1], [Enable OFB and CFB cipher modes])
 	OPTIONAL_CRYPTO_CFLAGS="${OPTIONAL_CRYPTO_CFLAGS} ${CRYPTO_CRYPTO_CFLAGS}"
 	OPTIONAL_CRYPTO_LIBS="${OPTIONAL_CRYPTO_LIBS} ${CRYPTO_CRYPTO_LIBS}"
 	AC_DEFINE([ENABLE_CRYPTO], [1], [Enable crypto library])
@@ -1054,6 +1089,7 @@ AC_SUBST([OPTIONAL_CRYPTO_CFLAGS])
 AC_SUBST([OPTIONAL_CRYPTO_LIBS])
 AC_SUBST([OPTIONAL_LZO_CFLAGS])
 AC_SUBST([OPTIONAL_LZO_LIBS])
+AC_SUBST([OPTIONAL_SYSTEMD_LIBS])
 AC_SUBST([OPTIONAL_PKCS11_HELPER_CFLAGS])
 AC_SUBST([OPTIONAL_PKCS11_HELPER_LIBS])
 
-- 
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