fix for C++17, requires at least C+17

makefile.am

@@ -1,13 +1,26 @@
 ## @id $Id$
-#
-# This file has been added by bootstrap.sh on Fri, 31 July 2015 08:57:51 +0200
-# Feel free to change it or even remove and rebuild it, up to your needs
-#
+##
+## This file has been added:
+##  - by bootstrap.sh
+##  -  on Wed, 21 November 2018 16:27:35 +0100
+## Feel free to change it or even remove and rebuild it, up to your needs
+##
 ##       1         2         3         4         5         6         7         8
 ## 45678901234567890123456789012345678901234567890123456789012345678901234567890
 
 SUBDIRS = src test doc examples
 
-doc_DATA = AUTHORS NEWS README COPYING INSTALL ChangeLog
+desktopdir = ${datadir}/applications
+desktop_DATA = @PACKAGE_DESKTOP@
+dist_pkgdata_DATA = @PACKAGE_ICON@
+dist_noinst_DATA = ax_check_qt.m4 bootstrap.sh				\
+                   resolve-rpmbuilddeps.sh autogen.sh			\
+                    ax_cxx_compile_stdcxx.m4 build-in-docker.sh	        \
+                    build-resource-file.sh				\
+                    ax_init_standard_project.m4				\
+                    mac-create-app-bundle.sh resolve-debbuilddeps.sh    \
+                    dependency-graph.sh template.sh                     \
+                    sql-to-dot.sed
+dist_doc_DATA = AUTHORS NEWS README COPYING INSTALL ChangeLog
 
 MAINTAINERCLEANFILES = makefile.in