diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/guix.m4 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/m4/guix.m4 b/m4/guix.m4 index 2fcc65e039..4fa7cdf737 100644 --- a/m4/guix.m4 +++ b/m4/guix.m4 @@ -204,6 +204,28 @@ AC_DEFUN([GUIX_CHECK_GUILE_GCRYPT], [ fi]) ]) +dnl GUIX_CHECK_GUILE_GIT +dnl +dnl Check whether a recent-enough Guile-Git is available. +AC_DEFUN([GUIX_CHECK_GUILE_GIT], [ + dnl Check whether we're using Guile-Git 0.3.0 or later. 0.3.0 + dnl introduced SSH authentication support and more. + AC_CACHE_CHECK([whether Guile-Git is available and recent enough], + [guix_cv_have_recent_guile_git], + [GUILE_CHECK([retval], + [(use-modules (git) (git auth) (git submodule)) + (let ((auth (%make-auth-ssh-agent))) + repository-close! + object-lookup-prefix + (make-clone-options + #:fetch-options (make-fetch-options auth)))]) + if test "$retval" = 0; then + guix_cv_have_recent_guile_git="yes" + else + guix_cv_have_recent_guile_git="no" + fi]) +]) + dnl GUIX_TEST_ROOT_DIRECTORY AC_DEFUN([GUIX_TEST_ROOT_DIRECTORY], [ AC_CACHE_CHECK([for unit test root directory], |