dnl C++ environment. This macro must be used unconditionnaly.
AC_PROG_CXX
+AM_PROG_AR
AC_LANG([C++])
if test "x$guix_build_daemon" = "xyes"; then
dnl 'restore-file-set', which requires unbuffered custom binary input
dnl ports from Guile >= 2.0.10.)
GUIX_CHECK_UNBUFFERED_CBIP
- guix_build_daemon_offload="$ac_cv_guix_cbips_support_setvbuf"
- if test "x$guix_build_daemon_offload" = "xyes"; then
- AC_DEFINE([HAVE_DAEMON_OFFLOAD_HOOK], [1],
- [Define if the daemon's 'offload' build hook is being built.])
- fi
+ dnl Check for Guile-SSH, which is required by 'guix offload'.
+ GUIX_CHECK_GUILE_SSH
+
+ case "x$ac_cv_guix_cbips_support_setvbuf$guix_cv_have_recent_guile_ssh" in
+ xyesyes)
+ guix_build_daemon_offload="yes"
+ AC_DEFINE([HAVE_DAEMON_OFFLOAD_HOOK], [1],
+ [Define if the daemon's 'offload' build hook is being built (requires Guile-SSH).])
+ ;;
+ *)
+ guix_build_daemon_offload="no"
+ ;;
+ esac
dnl Temporary directory used to store the daemon's data.
GUIX_TEST_ROOT_DIRECTORY