1 files changed, 62 insertions, 0 deletions
diff --git a/t/yflags-force-override.sh b/t/yflags-force-override.sh
new file mode 100755
index 000000000..3f4755ed1
--- /dev/null
+++ b/t/yflags-force-override.sh
@@ -0,0 +1,62 @@
+#! /bin/sh
+# Copyright (C) 2011-2012 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 automake can cope with a definition of the $(YFLAGS) variable
+# in Makefile.am (even if that is extremely bad practice, because that
+# variable is user-reserved).
+
+required='cc yacc'
+. ./defs || Exit 1
+
+cat >> configure.ac <<'END'
+AC_PROG_CC
+AC_PROG_YACC
+AC_OUTPUT
+END
+
+cat > Makefile.am <<'END'
+bin_PROGRAMS = foo
+foo_SOURCES = foo.y
+# Don't do this in a real-life Makefile.am!
+YFLAGS = -d -v
+END
+
+cat > foo.y << 'END'
+%{
+int yylex () { return 0; }
+void yyerror (char *s) { return; }
+int main () { return 0; }
+%}
+%%
+foobar : 'f' 'o' 'o' 'b' 'a' 'r' {};
+END
+
+$ACLOCAL
+$AUTOMAKE -a -Wno-gnu
+
+$EGREP '(foo|YFLAGS)' Makefile.in # For debugging.
+grep '^foo.h *:' Makefile.in
+
+$AUTOCONF
+./configure
+
+$MAKE
+
+test -f foo.c
+test -f foo.h
+test -f foo.output
+
+: