AC_SUBST([guix_sysconfdir])
AC_SUBST([guix_sbindir])
-GUIX_CHECK_FILE_NAME_LIMITS
+GUIX_CHECK_FILE_NAME_LIMITS([can_run_tests])
+AM_CONDITIONAL([CAN_RUN_TESTS], [test "x$can_run_tests" = "xyes"])
dnl We require pkg.m4 (from pkg-config) and guile.m4 (from Guile.)
dnl Make sure they are available.