1 files changed, 96 insertions, 0 deletions
diff --git a/t/lex-depend-cxx.sh b/t/lex-depend-cxx.sh
new file mode 100755
index 000000000..52491022b
--- /dev/null
+++ b/t/lex-depend-cxx.sh
@@ -0,0 +1,96 @@
+#! /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/>.
+
+# Test to make sure dependencies work with Lex/C++.
+# Test synthesized from PR automake/6.
+
+required=lex
+. ./defs || Exit 1
+
+cat >> configure.ac << 'END'
+AC_PROG_CXX
+AM_PROG_LEX
+AC_OUTPUT
+END
+
+cat > Makefile.am << 'END'
+noinst_PROGRAMS = joe moe
+joe_SOURCES = joe.ll
+moe_SOURCES = moe.l++
+LDADD = $(LEXLIB)
+
+.PHONY: test-deps-exist
+test-deps-exist:
+	ls -l $(DEPDIR) ;: For debugging.
+	test -f $(DEPDIR)/joe.Po
+	test -f $(DEPDIR)/moe.Po
+
+.PHONY: test-obj-updated
+test-obj-updated: joe.$(OBJEXT) moe.$(OBJEXT)
+	stat older my-hdr.hxx joe.$(OBJEXT) moe.$(OBJEXT) || :
+	test `ls -t older joe.$(OBJEXT) | sed 1q` = joe.$(OBJEXT)
+	test `ls -t older moe.$(OBJEXT) | sed 1q` = moe.$(OBJEXT)
+END
+
+cat > joe.ll << 'END'
+%{
+#define YY_NO_UNISTD_H 1
+%}
+%option never-interactive
+%%
+"foo" return EOF;
+.
+%%
+#include "my-hdr.hxx"
+int yywrap (void)
+{
+  return 1;
+}
+int main (int argc, char **argv)
+{
+  printf("Hello, World!\n");
+  return 0;
+}
+END
+
+cp joe.ll moe.l++
+
+cat > my-hdr.hxx <<'END'
+// This header contains deliberetly invalid C (but valid C++)
+#include <cstdio>
+using namespace std;
+END
+
+$ACLOCAL
+$AUTOMAKE -a
+
+$FGREP joe.Po Makefile.in
+$FGREP moe.Po Makefile.in
+
+$AUTOCONF
+# Try to enable dependency tracking if possible, even if that means
+# using slow dependency extractors.
+./configure --enable-dependency-tracking
+
+$MAKE test-deps-exist
+$MAKE
+
+: > older
+$sleep
+touch my-hdr.hxx
+$MAKE test-obj-updated
+
+: