blob: 9487f4a5c99dfcb6986ffcec8c53348a0c8cb0ab (
plain)
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
89
|
#! /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 automatic dependency tracking work with Lex/C.
# Test suggested by PR automake/6.
required=lex
. ./defs || Exit 1
cat >> configure.ac << 'END'
AC_PROG_CC
AM_PROG_LEX
AC_OUTPUT
END
cat > Makefile.am << 'END'
bin_PROGRAMS = zoo
zoo_SOURCES = joe.l
LDADD = $(LEXLIB)
.PHONY: test-deps-exist
test-deps-exist:
ls -l $(DEPDIR) ;: For debugging.
test -f $(DEPDIR)/joe.Po
.PHONY: test-obj-updated
test-obj-updated: joe.$(OBJEXT)
stat older my-hdr.h joe.$(OBJEXT) || : For debugging.
test `ls -t older joe.$(OBJEXT) | sed 1q` = joe.$(OBJEXT)
END
cat > joe.l << 'END'
%{
#define YY_NO_UNISTD_H 1
%}
%%
"foo" return EOF;
.
%%
#include "my-hdr.h"
int main (void)
{
printf("%s\n", MESSAGE);
return 0;
}
/* Avoid possible link errors. */
int yywrap (void)
{
return 1;
}
END
cat > my-hdr.h <<'END'
#include <stdio.h>
#define MESSAGE "Hello, World!"
END
$ACLOCAL
$AUTOMAKE -a
$FGREP joe.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.h
$MAKE test-obj-updated
:
|
