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-rw-r--r--configure.ac5
1 files changed, 5 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index e5095da..bee7220 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,6 +29,11 @@ if test "x$GUILD" = "x"; then
AC_MSG_ERROR(['guild' binary not found; please check your guile-2.2 installation.])
fi
+GUILE_MODULE_AVAILABLE([have_guile_email], [(email email)])
+if test "x$have_guile_email" != "xyes"; then
+ AC_MSG_ERROR([guile-email is missing; please install it.])
+fi
+
AC_CONFIG_FILES([Makefile])
AC_CONFIG_FILES([env], [chmod +x env])
AC_OUTPUT