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
|
#serial 7
# On some hosts (e.g., HP-UX 10.20, SunOS 4.1.4, Solaris 2.5.1), mkstemp has a
# silly limit that it can create no more than 26 files from a given template.
# Other systems lack mkstemp altogether.
# On OSF1/Tru64 V4.0F, the system-provided mkstemp function can create
# only 32 files per process.
# On systems like the above, arrange to use the replacement function.
AC_DEFUN([gl_FUNC_MKSTEMP],
[dnl
AC_REPLACE_FUNCS(mkstemp)
if test $ac_cv_func_mkstemp = no; then
gl_cv_func_mkstemp_limitations=yes
else
AC_CACHE_CHECK([for mkstemp limitations],
gl_cv_func_mkstemp_limitations,
[
mkdir conftest.mkstemp
cd conftest.mkstemp
AC_TRY_RUN([
# include <stdlib.h>
int main ()
{
int i;
for (i = 0; i < 70; i++)
{
char template[] = "coXXXXXX.tmp";
int fd = mkstemp (template);
if (fd == -1)
exit (1);
close (fd);
}
exit (0);
}
],
gl_cv_func_mkstemp_limitations=no,
gl_cv_func_mkstemp_limitations=yes,
gl_cv_func_mkstemp_limitations=yes
)
]
)
fi
if test $gl_cv_func_mkstemp_limitations = yes; then
AC_LIBOBJ(mkstemp)
AC_LIBOBJ(tempname)
AC_DEFINE(mkstemp, rpl_mkstemp,
[Define to rpl_mkstemp if the replacement function should be used.])
gl_PREREQ_MKSTEMP
gl_PREREQ_TEMPNAME
fi
])
# Prerequisites of lib/mkstemp.c.
AC_DEFUN([gl_PREREQ_MKSTEMP],
[
])
# Prerequisites of lib/tempname.c.
AC_DEFUN([gl_PREREQ_TEMPNAME],
[
AC_REQUIRE([AC_HEADER_STAT])
AC_CHECK_HEADERS_ONCE(fcntl.h sys/time.h unistd.h)
AC_CHECK_HEADERS(stdint.h)
AC_CHECK_FUNCS(__secure_getenv gettimeofday)
AC_CHECK_DECLS_ONCE(getenv)
AC_REQUIRE([gl_AC_TYPE_UINTMAX_T])
])
|