1 files changed, 85 insertions, 0 deletions
diff --git a/t/yflags-force-conditional.sh b/t/yflags-force-conditional.sh
new file mode 100755
index 000000000..53038a82a
--- /dev/null
+++ b/t/yflags-force-conditional.sh
@@ -0,0 +1,85 @@
+#! /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 the user can force automake to use *_YFLAGS variables
+# which have conditional content.
+
+. ./defs || Exit 1
+
+cat >> configure.ac <<'END'
+AC_SUBST([CC], [false])
+AC_PROG_YACC
+AM_CONDITIONAL([COND], [test x"$cond" = x"yes"])
+AC_OUTPUT
+END
+
+mkdir bin
+cat > bin/fake-yacc <<'END'
+#!/bin/sh
+echo "/* $* */" > y.tab.c
+echo 'extern int dummy;' >> y.tab.c
+END
+chmod a+x bin/fake-yacc
+PATH=`pwd`/bin$PATH_SEPARATOR$PATH; export PATH
+YACC=fake-yacc; export YACC
+
+cat > Makefile.am <<'END'
+AUTOMAKE_OPTIONS = no-dependencies
+bin_PROGRAMS = foo bar
+foo_SOURCES = foo.y main.c
+bar_SOURCES = $(foo_SOURCES)
+bar_YFLAGS = $(bar_yflags2)
+if COND
+AM_YFLAGS = __am_cond_yes__
+bar_YFLAGS += __bar_cond_yes__
+else !COND
+AM_YFLAGS = __am_cond_no__
+bar_yflags2 = __bar_cond_no__
+endif !COND
+END
+
+: > foo.y
+
+$ACLOCAL
+$AUTOCONF
+$AUTOMAKE -a -Wno-unsupported
+
+$EGREP '(YFLAGS|yflags|am__append)' Makefile.in # For debugging.
+
+./configure cond=yes
+$MAKE foo.c bar-foo.c
+
+cat foo.c
+cat bar-foo.c
+
+$FGREP ' __am_cond_yes__ ' foo.c
+$FGREP ' __bar_cond_yes__ ' bar-foo.c
+$FGREP 'cond_no' foo.c bar-foo.c && Exit 1
+
+$MAKE maintainer-clean
+ls -l
+
+./configure cond=no
+$MAKE foo.c bar-foo.c
+
+cat foo.c
+cat bar-foo.c
+
+$FGREP ' __am_cond_no__ ' foo.c
+$FGREP ' __bar_cond_no__ ' bar-foo.c
+$FGREP 'cond_yes' foo.c bar-foo.c && Exit 1
+
+: