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
|
#! /bin/sh
# Copyright (C) 2013-2021 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/>.
# Check that dependency tracking can also work with compilers that
# doesn't understand '-c -o', even if the AM_PROG_CC_C_O macro is not
# explicitly called.
required=gcc # For 'cc-no-c-o'.
. test-init.sh
echo '#define myStr "Hello"' > foobar.h
cat > foo.c << 'END'
#include <stdio.h>
#include "foobar.h"
int main (void)
{
printf ("%s\n", myStr);
return 0;
}
END
cat > Makefile.am <<'END'
bin_PROGRAMS = foo
foo_SOURCES = foo.c foobar.h
check-deps: all
test -n '$(DEPDIR)' && test -d '$(DEPDIR)'
ls -l $(DEPDIR)
grep 'stdio\.h' $(DEPDIR)/foo.Po
grep 'foobar\.h' $(DEPDIR)/foo.Po
check-updated: all
is_newest foo$(EXEEXT) foobar.h
END
# We deliberately don't invoke AM_PROG_CC_C_O here.
cat >> configure.ac << 'END'
AC_PROG_CC
AC_OUTPUT
END
$ACLOCAL
$AUTOCONF
$AUTOMAKE --add-missing
# Make sure the compiler doesn't understand '-c -o'.
CC=$am_testaux_builddir/cc-no-c-o; export CC
./configure >stdout || { cat stdout; exit 1; }
cat stdout
$EGREP 'understands? -c and -o together.* no$' stdout
grep '^checking dependency style .*\.\.\. gcc' stdout
$MAKE check-deps
if ! cross_compiling; then
./foo
test "$(./foo)" = Hello
fi
$sleep
echo '#define myStr "Howdy"' > foobar.h
$MAKE check-updated
if ! cross_compiling; then
./foo
test "$(./foo)" = Howdy
fi
:
|
