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
|
#serial 1
# Use replacement ftw.c if the one in the C library is inadequate or buggy.
# From Jim Meyering
AC_DEFUN([AC_FUNC_FTW],
[AC_CACHE_CHECK([for working GNU ftw], ac_cv_func_ftw_working,
[
# prerequisites
AC_REQUIRE([AC_HEADER_DIRENT])
AC_CHECK_HEADERS(sys/param.h)
# The following test would fail prior to glibc-2.3.2, because `depth'
# would be 2 rather than 4.
mkdir -p conftest.dir/a/b/c
AC_RUN_IFELSE([AC_LANG_SOURCE([], [[
#include <string.h>
#include <stdlib.h>
#include <ftw.h>
static char *_f[] = { "conftest.dir", "conftest.dir/a",
"conftest.dir/a/b", "conftest.dir/a/b/c" };
static char **p = _f;
static int depth;
static int
cb (const char *file, const struct stat *sb, int file_type, struct FTW *info)
{
if (strcmp (file, *p++) != 0)
exit (1);
++depth;
return 0;
}
int
main ()
{
int err = nftw ("conftest.dir", cb, 30, FTW_PHYS | FTW_MOUNT | FTW_CHDIR);
exit ((err == 0 && depth == 4) ? 0 : 1);
}
]])],
[ac_cv_func_ftw_working=yes],
[ac_cv_func_ftw_working=no],
[ac_cv_func_ftw_working=no])])
test $ac_cv_func_ftw_working = no && AC_LIBOBJ([ftw])
])# AC_FUNC_FTW
|
