diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/guix.m4 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/m4/guix.m4 b/m4/guix.m4 index d0c5ec0f08..716bfb08ec 100644 --- a/m4/guix.m4 +++ b/m4/guix.m4 @@ -174,6 +174,27 @@ AC_DEFUN([GUIX_CHECK_GUILE_SQLITE3], [ fi]) ]) +dnl GUIX_CHECK_GUILE_JSON +dnl +dnl Check whether a recent-enough Guile-JSON is available. +AC_DEFUN([GUIX_CHECK_GUILE_JSON], [ + dnl Check whether we're using Guile-JSON 3.x, which uses a JSON-to-Scheme + dnl mapping different from that of earlier versions. + AC_CACHE_CHECK([whether Guile-JSON is available and recent enough], + [guix_cv_have_recent_guile_json], + [GUILE_CHECK([retval], + [(use-modules (json) (ice-9 match)) + (match (json-string->scm \"[[] { \\\"a\\\": 42 } []]\") + (#(("a" . 42)) #t) + (_ #f))]) + if test "$retval" = 0; then + guix_cv_have_recent_guile_json="yes" + else + guix_cv_have_recent_guile_json="no" + fi]) +]) + + dnl GUIX_TEST_ROOT_DIRECTORY AC_DEFUN([GUIX_TEST_ROOT_DIRECTORY], [ AC_CACHE_CHECK([for unit test root directory], |