1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
#! /bin/sh
# Copyright (C) 2011-2021 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/>.
# Related to PR 204.
# C sources derived from nodist_ lex sources should not be distributed.
# See also related test 'lex-nodist.sh'.
# The tests 'yacc-nodist.sh' and 'yacc-pr204.sh' does similar checks
# for yacc-generated .c and .h files.
required='cc lex'
. test-init.sh
cat >> configure.ac <<'EOF'
AM_MAINTAINER_MODE
AC_PROG_CC
dnl We use AC_PROG_LEX deliberately.
dnl Sister 'lex-nodist.sh' should use 'AM_PROG_LEX' instead.
AC_PROG_LEX
AC_OUTPUT
EOF
# The LEXER2 intermediate variable is there to make sure Automake
# matches 'nodist_' against the right variable name...
cat > Makefile.am << 'EOF'
EXTRA_PROGRAMS = foo
LEXER2 = lexer2.l
nodist_foo_SOURCES = lexer.l $(LEXER2)
distdirtest: distdir
test ! -f $(distdir)/lexer.c
test ! -f $(distdir)/lexer.l
test ! -f $(distdir)/lexer.h
test ! -f $(distdir)/lexer2.c
test ! -f $(distdir)/lexer2.l
test ! -f $(distdir)/lexer2.h
EOF
cat > lexer.l << 'END'
%{
#define YY_NO_UNISTD_H 1
%}
%%
"GOOD" return EOF;
.
%%
int main (void)
{
return yylex ();
}
END
cp lexer.l lexer2.l
$ACLOCAL
$AUTOCONF
$AUTOMAKE -a
./configure
$MAKE distdirtest
# Make sure lexer.c and lexer2.c are still targets.
$MAKE lexer.c lexer2.c
test -f lexer.c
test -f lexer2.c
# Ensure the rebuild rule works despite AM_MAINTAINER_MODE, because
# it's a nodist_ lexer.
$sleep
touch lexer.l lexer2.l
$sleep
$MAKE lexer.c lexer2.c
is_newest lexer.c lexer.l
is_newest lexer2.c lexer2.l
:
|
