-diff -u -r ../ctags-a39f842455fdcc47b812c35c6bf0f19735034de0/configure.ac ./configure.ac
---- ../ctags-a39f842455fdcc47b812c35c6bf0f19735034de0/configure.ac 2017-02-24 10:02:41.000000000 +0100
-+++ ./configure.ac 2017-03-01 18:10:59.298643710 +0100
+diff -u -r ../ctags-8a60622839c98ef6fac1c57a5563812393c56c1d/configure.ac ./configure.ac
+--- ../ctags-8a60622839c98ef6fac1c57a5563812393c56c1d/configure.ac 2017-09-01 11:04:30.000000000 +0200
++++ ./configure.ac 2017-09-01 23:38:48.761978655 +0200