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-rw-r--r--m4/guix.m418
1 files changed, 18 insertions, 0 deletions
diff --git a/m4/guix.m4 b/m4/guix.m4
index 6d8ec2e4e0..6630598416 100644
--- a/m4/guix.m4
+++ b/m4/guix.m4
@@ -171,6 +171,24 @@ AC_DEFUN([GUIX_CHECK_UNBUFFERED_CBIP], [
fi])
])
+dnl GUIX_CHECK_GUILE_SSH
+dnl
+dnl Check whether a recent-enough Guile-SSH is available.
+AC_DEFUN([GUIX_CHECK_GUILE_SSH], [
+ dnl Check whether 'channel-send-eof' (introduced in 0.10.2) is present.
+ AC_CACHE_CHECK([whether Guile-SSH is available and recent enough],
+ [guix_cv_have_recent_guile_ssh],
+ [GUILE_CHECK([retval],
+ [(and (@ (ssh channel) channel-send-eof)
+ (@ (ssh popen) open-remote-pipe)
+ (@ (ssh dist node) node-eval))])
+ if test "$retval" = 0; then
+ guix_cv_have_recent_guile_ssh="yes"
+ else
+ guix_cv_have_recent_guile_ssh="no"
+ fi])
+])
+
dnl GUIX_TEST_ROOT_DIRECTORY
AC_DEFUN([GUIX_TEST_ROOT_DIRECTORY], [
AC_CACHE_CHECK([for unit test root directory],