1 files changed, 72 insertions, 0 deletions
diff --git a/t/yacc2.sh b/t/yacc2.sh
new file mode 100755
index 000000000..bfab7522d
--- /dev/null
+++ b/t/yacc2.sh
@@ -0,0 +1,72 @@
+#! /bin/sh
+# Copyright (C) 1999-2012 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/>.
+
+# Test to make sure intermediate .h file is not generated nor removed
+# if (AM_)?YFLAGS do not contain -d.  Requested by Jim Meyering.
+# See also the related semantic test 'yacc-d-basic.test'.
+
+. ./defs || Exit 1
+
+cat >> configure.ac << 'END'
+AC_PROG_CC
+AC_PROG_YACC
+END
+
+# Run it here once and for all, since we are not going to modify
+# configure.ac anymore.
+$ACLOCAL
+
+cat > Makefile.am <<'END'
+bin_PROGRAMS = zardoz
+zardoz_SOURCES = zardoz.y
+END
+
+# Don't redefine several times the same variable.
+cp Makefile.am Makefile.src
+
+$AUTOMAKE -a
+# If zardoz.h IS mentioned, fail.
+$FGREP 'zardoz.h' Makefile.in && Exit 1
+
+cp Makefile.src Makefile.am
+echo 'AM_YFLAGS = -d' >> Makefile.am
+$AUTOMAKE
+# If zardoz.h is NOT mentioned, fail.
+$FGREP 'zardoz.h' Makefile.in
+
+cp Makefile.src Makefile.am
+echo 'AM_YFLAGS = ' >> Makefile.am
+$AUTOMAKE
+# If zardoz.h IS mentioned, fail.
+$FGREP 'zardoz.h' Makefile.in && Exit 1
+
+cp Makefile.src Makefile.am
+echo 'YFLAGS = -d' >> Makefile.am
+# YFLAGS is a user variable.
+AUTOMAKE_fails
+grep 'YFLAGS.* user variable' stderr
+grep 'AM_YFLAGS.* instead' stderr
+$AUTOMAKE -Wno-gnu
+# If zardoz.h is NOT mentioned, fail.
+$FGREP 'zardoz.h' Makefile.in
+
+cp Makefile.src Makefile.am
+echo 'YFLAGS = ' >> Makefile.am
+$AUTOMAKE -Wno-gnu
+# If zardoz.h IS mentioned, fail.
+$FGREP 'zardoz.h' Makefile.in && Exit 1
+
+: