2 files changed, 6 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index c33c6071b..125063ca5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+Mon Mar 11 02:47:55 CET 2019
+  Make configure complain if no working libidn is detected. -CG
+
 Sat Mar 9 15:58:45 2019 +0100
   REST: Config option for address bind. Defaults to localhost.
   GNS: dns2gns/gns-proxy config option for address bind. Defaults to localhost.
diff --git a/configure.ac b/configure.ac
index d858dca9c..440b4a5eb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -905,6 +905,9 @@ AS_IF([test x$working_libidn2 = x0],
                                      * --with-libidn])])])])
 AM_CONDITIONAL(HAVE_LIBIDN, test x$working_libidn1 = x1)
 
+AS_IF([test "$working_libidn1" = 0 -a "$working_libidn2" = 0],
+      [AC_MSG_ERROR([GNUnet requires libidn (or libidn2)])])
+
 AS_IF([test x$there_can_only_be_one = x0],
       [AC_MSG_FAILURE([Missing dependencies: $MISSING_DEPS])])