1 files changed, 108 insertions, 0 deletions
diff --git a/t/yacc-d-vpath.sh b/t/yacc-d-vpath.sh
new file mode 100644
index 000000000..da679b413
--- /dev/null
+++ b/t/yacc-d-vpath.sh
@@ -0,0 +1,108 @@
+#! /bin/sh
+# Copyright (C) 2011-2017 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 <https://www.gnu.org/licenses/>.
+
+# This test checks that dependent files are updated before including
+# in the distribution. 'parse.c' depends on 'parse.y'.  The latter is
+# updated so that 'parse.c' should be rebuilt.  Then we are running
+# 'make' and 'make distdir' and check whether the version of 'parse.c'
+# to be distributed is up to date.
+
+# Please keep this in sync with sister test 'yaccvpath.sh'.
+
+required='cc yacc'
+. test-init.sh
+
+cat >> configure.ac << 'END'
+AC_PROG_CC
+AC_PROG_YACC
+AC_OUTPUT
+END
+
+cat > Makefile.am << 'END'
+bin_PROGRAMS = foo
+foo_SOURCES = parse.y foo.c
+AM_YFLAGS = -d
+END
+
+# Original parser, with 'foobar'.
+cat > parse.y << 'END'
+%{
+int yylex () { return 0; }
+void yyerror (char *s) {}
+%}
+%token FOOBAR
+%%
+foobar : 'f' 'o' 'o' 'b' 'a' 'r' {};
+END
+
+cat > foo.c << 'END'
+#include "parse.h"
+int main () { return 0; }
+END
+
+$ACLOCAL
+$AUTOCONF
+$AUTOMAKE -a
+
+$YACC -d parse.y
+mv y.tab.c parse.c
+mv y.tab.h parse.h
+# Sanity checks.
+grep foobar parse.c
+grep FOOBAR parse.h
+
+mkdir sub
+cd sub
+../configure
+
+$sleep
+
+# New parser, with 'fubar'.
+cat > ../parse.y << 'END'
+%{
+int yylex () { return 0; }
+void yyerror (char *s) {}
+%}
+%token FUBAR
+%%
+fubar : 'f' 'u' 'b' 'a' 'r' {};
+END
+
+$MAKE
+$MAKE distdir
+$FGREP fubar $distdir/parse.c
+$FGREP FUBAR $distdir/parse.h
+
+# Now check to make sure that 'make dist' will rebuild the parser.
+
+$sleep
+
+# New parser, with 'maude'.
+cat > ../parse.y << 'END'
+%{
+int yylex () { return 0; }
+void yyerror (char *s) {}
+%}
+%token MAUDE
+%%
+maude : 'm' 'a' 'u' 'd' 'e' {};
+END
+
+$MAKE distdir
+$FGREP maude $distdir/parse.c
+$FGREP MAUDE $distdir/parse.h
+
+: