diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/guix.m4 | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/m4/guix.m4 b/m4/guix.m4 index 961ce838ac..9eb3863482 100644 --- a/m4/guix.m4 +++ b/m4/guix.m4 @@ -1,5 +1,5 @@ dnl GNU Guix --- Functional package management for GNU -dnl Copyright © 2012, 2013, 2014, 2015, 2016, 2018, 2019 Ludovic Courtès <ludo@gnu.org> +dnl Copyright © 2012, 2013, 2014, 2015, 2016, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org> dnl Copyright © 2014 Mark H Weaver <mhw@netris.org> dnl Copyright © 2017 Efraim Flashner <efraim@flashner.co.il> dnl @@ -194,6 +194,24 @@ AC_DEFUN([GUIX_CHECK_GUILE_JSON], [ fi]) ]) +dnl GUIX_CHECK_GUILE_GCRYPT +dnl +dnl Check whether a recent-enough Guile-Gcrypt is available. +AC_DEFUN([GUIX_CHECK_GUILE_GCRYPT], [ + dnl Check whether we're using Guile-Gcrypt 0.2.x or later. 0.2.0 + dnl introduced the 'hash-algorithm' macro and related code. + AC_CACHE_CHECK([whether Guile-Gcrypt is available and recent enough], + [guix_cv_have_recent_guile_gcrypt], + [GUILE_CHECK([retval], + [(use-modules (gcrypt hash)) + (equal? (hash-algorithm sha256) + (lookup-hash-algorithm 'sha256))]) + if test "$retval" = 0; then + guix_cv_have_recent_guile_gcrypt="yes" + else + guix_cv_have_recent_guile_gcrypt="no" + fi]) +]) dnl GUIX_TEST_ROOT_DIRECTORY AC_DEFUN([GUIX_TEST_ROOT_DIRECTORY], [ |