build-sys: add make target for updating AUTHORS file

diff --git a/Makefile.am b/Makefile.am
index f521470..733abab 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -58,3 +58,6 @@ check-coverage:
        echo "Need to reconfigure with --enable-gcov"
 
 endif
+
+update-authors:
+       git shortlog -s -e | cut -c 8- | sort > AUTHORS