[stunnel-users] configure.ac patch

[Kip Walraven]

In case others are struggling with CentOS 6.5 configure issues that I
had, I'm providing the following unified diff patch

-Kip

#==============================================
--- ../stunnel-5.08/configure.ac    2014-12-03 05:35:16.000000000 -0500
+++ ./configure.ac    2014-12-11 10:32:47.000000000 -0500
@@ -402,13 +402,13 @@
         AC_MSG_RESULT([autodetecting])
         # the library name has changed to -lsystemd in systemd 209
         AC_SEARCH_LIBS([sd_listen_fds], [systemd systemd-daemon],
-            AC_CHECK_HEADERS([systemd/sd-daemon.h], [
+            [ AC_CHECK_HEADERS([systemd/sd-daemon.h], [
                 AC_DEFINE([USE_SYSTEMD], [1],
                     [Define to 1 to enable systemd socket activation])
                 AC_MSG_NOTICE([systemd support enabled])
             ], [
                 AC_MSG_NOTICE([systemd header not found])
-            ]), [
+            ]) ], [
                 AC_MSG_NOTICE([systemd library not found])
             ])
     ]
@@ -462,7 +462,8 @@
 AC_MSG_CHECKING([for compiler sysroot])
 if test "$GCC" = yes; then
     SYSROOT=`$CC --print-sysroot 2>/dev/null`
-else
+fi
+if test -z "$SYSROOT" ; then
     SYSROOT="/"
 fi
 AC_MSG_RESULT([$SYSROOT])

#==============================================