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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
#! /bin/sh
# Copyright (C) 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/>.
# Demo on C++ support.
required=c++
am_create_testdir=empty
. test-init.sh
cat > configure.ac << 'END'
AC_INIT([GNU C++ Demo], [1.3], [bug-automake@gnu.org])
AC_CONFIG_SRCDIR([play.c++])
AC_CONFIG_AUX_DIR([build-aux])
AM_INIT_AUTOMAKE
# The C compiler shouldn't be required in any way.
CC=false; AC_SUBST([CC])
AC_PROG_CXX
AH_BOTTOM([
#ifndef GREETINGS
# define GREETINGS "Howdy"
#endif])
AC_DEFINE([OK_AC], [1],
[Give "good to go" declaration from configure.ac])
AC_CONFIG_HEADERS([config.hxx])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
END
cat > Makefile.am << 'END'
AUTOMAKE_OPTIONS = subdir-objects
bin_PROGRAMS = work play
common_sources = common.hpp foo.cpp sub/bar.cc
AM_CPPFLAGS = -DOK_AM=1
play_SOURCES = play.c++ play.hh $(common_sources)
work_SOURCES = work.cxx work.h++ $(common_sources)
work_CXXFLAGS = -D'GREETINGS="Good morning"'
.PHONY: test-objs
check-local: test-objs
test-objs:
test -f play.$(OBJEXT)
test -f foo.$(OBJEXT)
test -f sub/bar.$(OBJEXT)
test -f work-foo.$(OBJEXT)
test -f sub/work-bar.$(OBJEXT)
test -f work-work.$(OBJEXT)
END
mkdir sub build-aux
$ACLOCAL
$AUTOHEADER
test -f config.hxx.in
$AUTOCONF
$AUTOMAKE --add-missing
test -f build-aux/depcomp
# Not needed by C++ compilers.
test ! -e build-aux/compile
cat > work.h++ << 'END'
#define ACTION "work"
class Hello_CXX
{
public:
Hello_CXX() { }
virtual ~Hello_CXX () { }
void hello_cxx_class ();
};
END
cat > play.hh << 'END'
#define ACTION "play"
void hello_cxx_function (void);
END
cat > common.hpp << 'END'
/* Common header. */
#include <config.hxx>
#if !OK_AM
#error "missing OK from Makefile.am"
choke me
#endif
#if !OK_AC
#error "missing OK from configure.ac"
choke me
#endif
#include <iostream>
END
cat > work.cxx << 'END'
#include "common.hpp"
#include "work.h++"
#include <cstdlib>
using namespace std;
int main (void)
{
cout << "We are working :-(" << endl;
Hello_CXX *hello = new Hello_CXX;
hello->hello_cxx_class ();
return EXIT_SUCCESS;
}
END
cat > play.c++ << 'END'
#include "common.hpp"
#include "play.hh"
int main (void)
{
std::cout << "We are playing :-)" << std::endl;
hello_cxx_function ();
return 0;
}
END
cat > foo.cpp <<'END'
#include <config.hxx>
#include "work.h++"
#include <iostream>
using namespace std;
void Hello_CXX::hello_cxx_class (void)
{
cout << GREETINGS << ", " << ACTION << "." << endl;
}
END
cat > sub/bar.cc << 'END'
#include <config.hxx>
#include "play.hh"
#include <stdio.h>
void hello_cxx_function (void)
{
printf ("%s, %s!\n", GREETINGS, ACTION);
}
END
./configure
$MAKE
$MAKE test-objs
if ! cross_compiling; then
unindent > exp.play << 'END'
We are playing :-)
Howdy, play!
END
unindent > exp.work << 'END'
We are working :-(
Good morning, work.
END
for p in play work; do
./$p > got.$p || { cat got.$p; exit 1; }
cat exp.$p
cat got.$p
diff exp.$p got.$p
done
fi
$MAKE distcheck
:
|