1
# sys_resource_h.m4 serial 2
2
dnl Copyright (C) 2012 Free Software Foundation, Inc.
3
dnl This file is free software; the Free Software Foundation
4
dnl gives unlimited permission to copy and/or distribute it,
5
dnl with or without modifications, as long as this notice is preserved.
7
AC_DEFUN([gl_HEADER_SYS_RESOURCE],
9
AC_REQUIRE([gl_SYS_RESOURCE_H_DEFAULTS])
10
dnl <sys/resource.h> is always overridden, because of GNULIB_POSIXCHECK.
11
gl_CHECK_NEXT_HEADERS([sys/resource.h])
12
if test $ac_cv_header_sys_resource_h = yes; then
17
AC_SUBST([HAVE_SYS_RESOURCE_H])
19
dnl Check for declarations of anything we want to poison if the
20
dnl corresponding gnulib module is not in use.
21
gl_WARN_ON_USE_PREPARE([[
22
#if HAVE_SYS_RESOURCE_H
23
/* At least FreeBSD 5.0 needs extra headers before <sys/resource.h>
25
# include <sys/types.h>
26
# include <sys/time.h>
27
# include <sys/resource.h>
33
AC_DEFUN([gl_SYS_RESOURCE_MODULE_INDICATOR],
35
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
36
AC_REQUIRE([gl_SYS_RESOURCE_H_DEFAULTS])
37
gl_MODULE_INDICATOR_SET_VARIABLE([$1])
38
dnl Define it also as a C macro, for the benefit of the unit tests.
39
gl_MODULE_INDICATOR_FOR_TESTS([$1])
42
AC_DEFUN([gl_SYS_RESOURCE_H_DEFAULTS],
44
GNULIB_GETRUSAGE=0; AC_SUBST([GNULIB_GETRUSAGE])
45
dnl Assume proper GNU behavior unless another module says otherwise.
46
HAVE_GETRUSAGE=1; AC_SUBST([HAVE_GETRUSAGE])