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# sys_times_h.m4
# serial 11
dnl Copyright (C) 2008-2025 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This file is offered as-is, without any warranty.
# Configure a replacement for <sys/times.h>.
# Written by Simon Josefsson.
AC_DEFUN_ONCE([gl_SYS_TIMES_H],
[
AC_REQUIRE([gl_SYS_TIMES_H_DEFAULTS])
dnl <sys/times.h> is always overridden, because of GNULIB_POSIXCHECK.
gl_CHECK_NEXT_HEADERS([sys/times.h])
if test $ac_cv_header_sys_times_h = yes; then
HAVE_SYS_TIMES_H=1
AC_CHECK_TYPES([struct tms], [], [HAVE_STRUCT_TMS=0], [[
#include <sys/times.h>
]])
else
HAVE_SYS_TIMES_H=0
HAVE_STRUCT_TMS=0
fi
AC_SUBST([HAVE_SYS_TIMES_H])
dnl Check for declarations of anything we want to poison if the
dnl corresponding gnulib module is not in use.
gl_WARN_ON_USE_PREPARE([[
/* Some systems have incomplete headers. */
#if !(defined __GLIBC__ && !defined __UCLIBC__)
# include <time.h>
#endif
#include <sys/times.h>
]], [times])
])
# gl_SYS_TIMES_MODULE_INDICATOR([modulename])
# sets the shell variable that indicates the presence of the given module
# to a C preprocessor expression that will evaluate to 1.
# This macro invocation must not occur in macros that are AC_REQUIREd.
AC_DEFUN([gl_SYS_TIMES_MODULE_INDICATOR],
[
dnl Ensure to expand the default settings once only.
gl_SYS_TIMES_H_REQUIRE_DEFAULTS
gl_MODULE_INDICATOR_SET_VARIABLE([$1])
])
# Initializes the default values for AC_SUBSTed shell variables.
# This macro must not be AC_REQUIREd. It must only be invoked, and only
# outside of macros or in macros that are not AC_REQUIREd.
AC_DEFUN([gl_SYS_TIMES_H_REQUIRE_DEFAULTS],
[
m4_defun(GL_MODULE_INDICATOR_PREFIX[_SYS_TIMES_H_MODULE_INDICATOR_DEFAULTS], [
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_TIMES])
])
m4_require(GL_MODULE_INDICATOR_PREFIX[_SYS_TIMES_H_MODULE_INDICATOR_DEFAULTS])
AC_REQUIRE([gl_SYS_TIMES_H_DEFAULTS])
])
AC_DEFUN([gl_SYS_TIMES_H_DEFAULTS],
[
HAVE_STRUCT_TMS=1; AC_SUBST([HAVE_STRUCT_TMS])
HAVE_TIMES=1; AC_SUBST([HAVE_TIMES])
])
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