1 files changed, 41 insertions, 0 deletions
diff --git a/t/txinfo-no-repeated-targets.sh b/t/txinfo-no-repeated-targets.sh
new file mode 100755
index 000000000..63dcf7555
--- /dev/null
+++ b/t/txinfo-no-repeated-targets.sh
@@ -0,0 +1,41 @@
+#! /bin/sh
+# Copyright (C) 2001-2012 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Make sure we only create texinfo-related targets once.
+
+. test-init.sh
+
+cat > Makefile.am << 'END'
+info_TEXINFOS = maude.texi liver.txi heart.texinfo
+END
+
+echo '@setfilename maude.info' > maude.texi
+echo '@setfilename liver.info' > liver.txi
+echo '@setfilename heart.info' > heart.texinfo
+: > texinfo.tex
+
+$ACLOCAL
+$AUTOMAKE
+
+# These are just examples -- basically for many targets in texinfos.am
+# we only want them to appear once.  But grepping them all would be
+# overkill.
+for t in info dist-info dvi-am install-html uninstall-pdf-am; do
+  $EGREP "(^| )$t*.:" Makefile.in # For debugging.
+  test $($EGREP -c "(^| )$t(:| *.:)" Makefile.in) -eq 1
+done
+
+: