1 files changed, 39 insertions, 0 deletions
diff --git a/t/cond24.sh b/t/cond24.sh
new file mode 100755
index 000000000..b7038cc6b
--- /dev/null
+++ b/t/cond24.sh
@@ -0,0 +1,39 @@
+#!/bin/sh
+# Copyright (C) 2002-2012 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/>.
+
+# Check that conditional redefinitions of AC_SUBST'ed variables are detected.
+# Report from Patrik Weiskircher.
+
+. ./defs || Exit 1
+
+cat >>configure.ac <<EOF
+AC_SUBST([foo], [bar])
+AM_CONDITIONAL([COND], [true])
+EOF
+
+cat >Makefile.am <<EOF
+if COND
+## A dummy comment to change line numer.
+foo = baz
+endif
+EOF
+
+$ACLOCAL
+AUTOMAKE_fails
+grep '^Makefile\.am:3:.* foo was already defined' stderr
+grep '^configure\.ac:4:.*foo.* previously defined here' stderr
+
+: