if test "z$with_distro" = "z"; then
AC_CHECK_FILE(/etc/SuSE-release,with_distro="suse")
AC_CHECK_FILE(/etc/gentoo-release,with_distro="gentoo")
AC_CHECK_FILE(/etc/arch-release,with_distro="archlinux")
AC_CHECK_FILE(/etc/debian_version,with_distro="debian")
AC_CHECK_FILE(/etc/redhat-release,with_distro="fedora")
if test "z$with_distro" = "z"; then
AC_CHECK_FILE(/etc/SuSE-release,with_distro="suse")
AC_CHECK_FILE(/etc/gentoo-release,with_distro="gentoo")
AC_CHECK_FILE(/etc/arch-release,with_distro="archlinux")
AC_CHECK_FILE(/etc/debian_version,with_distro="debian")
AC_CHECK_FILE(/etc/redhat-release,with_distro="fedora")