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-rw-r--r--m4/guix.m417
1 files changed, 17 insertions, 0 deletions
diff --git a/m4/guix.m4 b/m4/guix.m4
index 6cf1b01c90..4fdc409602 100644
--- a/m4/guix.m4
+++ b/m4/guix.m4
@@ -67,3 +67,20 @@ AC_DEFUN([GUIX_SYSTEM_TYPE], [
AC_SUBST([guix_system])
])
+
+dnl GUIX_ASSERT_GUILE_FEATURES FEATURES
+dnl
+dnl Assert that FEATURES are provided by $GUILE.
+AC_DEFUN([GUIX_ASSERT_GUILE_FEATURES], [
+ for guix_guile_feature in $1
+ do
+ AC_MSG_CHECKING([whether $GUILE provides feature '$guix_guile_feature'])
+ if "$GUILE" -c "(exit (provided? '$guix_guile_feature))"
+ then
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([$GUILE does not support feature '$guix_guile_feature', which is required.])
+ fi
+ done
+])