Bug: https://bugs.gentoo.org/754861
https://github.com/alexkay/spek/pull/198

diff --git a/configure.ac b/configure.ac
index 3fc451b..b270033 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5,6 +5,7 @@ AM_INIT_AUTOMAKE([1.11.1 foreign no-dist-gzip dist-xz serial-tests])
 AM_SILENT_RULES([yes])
 
 AC_LANG([C++])
+AM_PROG_AR
 AC_PROG_CXX
 CXXFLAGS="$CXXFLAGS -std=gnu++11 -Wall -Wextra"
 AC_PROG_CXXCPP
-- 
2.26.2