1 files changed, 116 insertions, 0 deletions
diff --git a/t/yacc-lex-cxx-alone.sh b/t/yacc-lex-cxx-alone.sh
new file mode 100644
index 000000000..d154bde13
--- /dev/null
+++ b/t/yacc-lex-cxx-alone.sh
@@ -0,0 +1,116 @@
+#! /bin/sh
+# Copyright (C) 2011-2015 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/>.
+
+# Yacc + C++ support for a program built only from yacc sources.
+# Lex + C++ support for a program built only from lex sources.
+
+required='c++ yacc'
+. test-init.sh
+
+cat >> configure.ac << 'END'
+AC_PROG_CXX
+AC_PROG_LEX
+AC_PROG_YACC
+AC_OUTPUT
+END
+
+cat > Makefile.am << 'END'
+bin_PROGRAMS = foo bar
+foo_SOURCES = foo.yy
+bar_SOURCES = bar.lxx
+
+.PHONY: check-dist
+check-dist: distdir
+	echo ' ' $(am.dist.common-files) ' ' | grep '[ /]foo\.cc'
+	echo ' ' $(am.dist.common-files) ' ' | grep '[ /]bar\.cxx'
+	ls -l $(distdir)
+	test -f $(distdir)/foo.cc
+	test -f $(distdir)/bar.cxx
+END
+
+cat > foo.yy << 'END'
+%{
+// Valid C++, but deliberately invalid C.
+#include <cstdio>
+#include <cstdlib>
+// "std::" qualification required by Sun C++ 5.9.
+int yylex (void) { return std::getchar (); }
+void yyerror (const char *s) { return; }
+%}
+%%
+a : 'a' { exit(0); };
+%%
+int main (void)
+{
+  yyparse ();
+  return 1;
+}
+END
+
+cat > bar.lxx << 'END'
+%{
+#define YY_NO_UNISTD_H 1
+int isatty (int fd) { return 0; }
+%}
+%%
+"x" return EOF;
+.
+%%
+// Valid C++, but deliberately invalid C.
+#include <cstdlib>
+int main (void)
+{
+  /* We don't use a 'while' loop here (like a real lexer would do)
+     to avoid possible hangs. */
+  if (yylex () == EOF)
+    std::exit (0);
+  else
+    std::exit (1);
+}
+
+/* Avoid possible link errors. */
+int yywrap (void) { return 1; }
+END
+
+$ACLOCAL
+$AUTOCONF
+$AUTOMAKE -a
+
+./configure
+
+$MAKE
+
+# The Yacc-derived and Lex-derived C++ sources must be created, and not
+# removed once compiled (i.e., not treated like "intermediate files" in
+# the GNU make sense).
+test -f foo.cc
+test -f bar.cxx
+
+if cross_compiling; then :; else
+  echo a | ./foo
+  echo b | ./foo && exit 1
+  echo x | ./bar
+  echo y | ./bar && exit 1
+  : # Don't trip on 'set -e'.
+fi
+
+# The Yacc-derived and Lex-derived C++ sources must be shipped.
+$MAKE check-dist
+
+# Sanity check on distribution.
+$MAKE distcheck
+
+: