1 files changed, 114 insertions, 0 deletions
diff --git a/tests/lex-clean.test b/tests/lex-clean.test
new file mode 100755
index 000000000..dd36f8047
--- /dev/null
+++ b/tests/lex-clean.test
@@ -0,0 +1,114 @@
+#! /bin/sh
+# Copyright (C) 2011 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 .c files derived from non-distributed .l sources
+# are cleaned by "make clean", while .c files derived from
+# distributed .l sources are cleaned by "make maintainer-clean".
+# See also sister test `lex-clean-cxx.test'.
+
+required=yacc
+. ./defs || Exit 1
+
+set -e
+
+cat >> configure.in << 'END'
+AC_PROG_CC
+AC_PROG_LEX
+AC_OUTPUT
+END
+
+cat > Makefile.am << 'END'
+bin_PROGRAMS = foo bar baz qux
+
+foo_SOURCES = main.c lexer.l
+
+bar_SOURCES = main.c lexer.l
+bar_LFLAGS = $(AM_LFLAGS)
+
+baz_SOURCES = main.c
+nodist_baz_SOURCES = baz.l
+
+qux_SOURCES = main.c
+nodist_qux_SOURCES = baz.l
+qux_LFLAGS = $(AM_LFLAGS)
+
+baz.l:
+	cp $(srcdir)/lexer.l $@
+
+CLEANFILES = baz.l
+
+LDADD = $(LEXLIB)
+END
+
+cat > lexer.l << 'END'
+%%
+"GOOD"   return EOF;
+.
+END
+
+cat > main.c << 'END'
+int main (void)
+{
+  return yylex ();
+}
+END
+
+$ACLOCAL
+$AUTOCONF
+$AUTOMAKE -a
+
+./configure
+
+cp config.status config.sav
+
+$MAKE
+ls -l
+# Sanity checks.
+test -f lexer.l
+test -f lexer.c
+test -f bar-lexer.c
+test -f baz.l
+test -f baz.c
+test -f qux-baz.c
+
+for target in clean distclean; do
+  $MAKE $target
+  ls -l
+  test -f lexer.l
+  test -f lexer.c
+  test -f bar-lexer.c
+  test ! -r baz.l
+  test ! -r baz.c
+  test ! -r qux-baz.c
+done
+
+cp config.sav config.status
+./config.status # re-create Makefile
+
+$MAKE maintainer-clean
+ls -l
+test -f lexer.l
+test ! -r lexer.c
+test ! -r bar-lexer.c
+
+cp config.sav config.status
+./config.status # re-create Makefile
+
+# The distribution must work correctly, assuming the user has
+# the proper tools to process yacc files.
+$MAKE distcheck
+
+: