1 files changed, 70 insertions, 0 deletions
diff --git a/t/yflags.sh b/t/yflags.sh
new file mode 100755
index 000000000..fbc39f56f
--- /dev/null
+++ b/t/yflags.sh
@@ -0,0 +1,70 @@
+#! /bin/sh
+# Copyright (C) 2010-2012 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 $(YFLAGS) takes precedence over both $(AM_YFLAGS) and
+# $(foo_YFLAGS).
+# Please keep this in sync with the sister tests yflags2.test, lflags.test
+# and lflags2.test.
+
+. ./defs || Exit 1
+
+cat >fake-yacc <<'END'
+#!/bin/sh
+echo '/*' "$*" '*/' >y.tab.c
+echo 'extern int dummy;' >> y.tab.c
+END
+chmod a+x fake-yacc
+
+# Remove Yacc from the environment, so that it won't interfere
+# with 'make -e' below.
+unset YACC || :
+
+cat >> configure.ac <<'END'
+AC_SUBST([CC], [false])
+# Simulate presence of Yacc using our fake-yacc script.
+AC_SUBST([YACC], ['$(abs_top_srcdir)'/fake-yacc])
+AC_OUTPUT
+END
+
+cat > Makefile.am <<'END'
+AUTOMAKE_OPTIONS = no-dependencies
+bin_PROGRAMS = foo bar
+foo_SOURCES = main.c foo.y
+bar_SOURCES = main.c bar.y
+AM_YFLAGS = __am_flags__
+bar_YFLAGS = __bar_flags__
+END
+
+$ACLOCAL
+$AUTOMAKE -a
+
+grep '\$(YFLAGS).*\$(bar_YFLAGS)' Makefile.in && Exit 1
+grep '\$(YFLAGS).*\$(AM_YFLAGS)' Makefile.in && Exit 1
+
+: > foo.y
+: > bar.y
+
+$AUTOCONF
+./configure
+env YFLAGS=__user_flags__ $MAKE -e foo.c bar-bar.c
+
+cat foo.c
+cat bar-bar.c
+
+grep '__am_flags__.*__user_flags__' foo.c
+grep '__bar_flags__.*__user_flags__' bar-bar.c
+
+: