readme: fixlets to HACKING
[automake.git] / t / objcxx-deps.sh
blobfef4ac549b1191058fde2a92aa40b9c86f2272de
1 #! /bin/sh
2 # Copyright (C) 2012 Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2, or (at your option)
7 # any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # Automatic dependency tracking for Objective C++.
18 # See also sister test 'objc-deps.sh'.
20 . ./defs || exit 1
22 cat >> configure.ac << 'END'
23 dnl Support for Object C++ was introduced only in Autoconf 2.65.
24 AC_PREREQ([2.65])
25 AC_PROG_OBJCXX
26 AC_OUTPUT
27 END
29 cat > Makefile.am << 'END'
30 bin_PROGRAMS = foo
31 foo_SOURCES = bar.mm baz.h++ baz2.hh
32 END
34 cat > baz.h++ << 'END'
35 #include <iostream>
36 #include "baz2.hh"
37 END
39 cat > baz2.hh << 'END'
40 #define MSG "Hello, World"
41 END
43 cat > bar.mm << 'END'
44 /* The use of #import makes this valid Object C++ but invalid C++. */
45 #import "baz.h++"
46 int main (void)
48 std::cout << MSG << "\n";
49 return 0;
51 END
53 if $ACLOCAL; then
54 : We have a modern enough autoconf, go ahead.
55 elif test $? -eq 63; then
56 skip_ "Object C++ support requires Autoconf 2.65 or later"
57 else
58 exit 1 # Some other aclocal failure.
60 $AUTOCONF
61 $AUTOMAKE --add-missing
63 ./configure --enable-dependency-tracking
64 $MAKE
65 cross_compiling || (./foo | $FGREP 'Hello, World') || exit 1
67 $sleep
68 : > old
69 echo '#define MSG "Howdy, Earth"' > baz2.hh
70 $MAKE
71 if test -f foo; then
72 is_newest foo old
73 else
74 is_newest foo.exe old
76 cross_compiling || (./foo | $FGREP 'Howdy, Earth') || exit 1
78 $MAKE distcheck