+#ifdef HAVE_BLKID
+#define _BLKID_FEATURE_ "+BLKID"
+#else
+#define _BLKID_FEATURE_ "-BLKID"
+#endif
+
+#ifdef HAVE_ELFUTILS
+#define _ELFUTILS_FEATURE_ "+ELFUTILS"
+#else
+#define _ELFUTILS_FEATURE_ "-ELFUTILS"
+#endif
+
+#ifdef HAVE_KMOD
+#define _KMOD_FEATURE_ "+KMOD"
+#else
+#define _KMOD_FEATURE_ "-KMOD"
+#endif
+
+#ifdef HAVE_LIBIDN
+#define _IDN_FEATURE_ "+IDN"
+#else
+#define _IDN_FEATURE_ "-IDN"
+#endif
+
+#define SYSTEMD_FEATURES \
+ _PAM_FEATURE_ " " \
+ _AUDIT_FEATURE_ " " \
+ _SELINUX_FEATURE_ " " \
+ _IMA_FEATURE_ " " \
+ _APPARMOR_FEATURE_ " " \
+ _SMACK_FEATURE_ " " \
+ _SYSVINIT_FEATURE_ " " \
+ _UTMP_FEATURE_ " " \
+ _LIBCRYPTSETUP_FEATURE_ " " \
+ _GCRYPT_FEATURE_ " " \
+ _GNUTLS_FEATURE_ " " \
+ _ACL_FEATURE_ " " \
+ _XZ_FEATURE_ " " \
+ _LZ4_FEATURE_ " " \
+ _SECCOMP_FEATURE_ " " \
+ _BLKID_FEATURE_ " " \
+ _ELFUTILS_FEATURE_ " " \
+ _KMOD_FEATURE_ " " \
+ _IDN_FEATURE_