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# sys_wait_h.m4 serial 6
dnl Copyright (C) 2008-2021 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.
AC_DEFUN([gl_SYS_WAIT_H],
[
AC_REQUIRE([gl_SYS_WAIT_H_DEFAULTS])
dnl <sys/wait.h> is always overridden, because of GNULIB_POSIXCHECK.
gl_CHECK_NEXT_HEADERS([sys/wait.h])
dnl Ensure the type pid_t gets defined.
AC_REQUIRE([AC_TYPE_PID_T])
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([[#include <sys/wait.h>]],
[waitpid])
])
AC_DEFUN([gl_SYS_WAIT_MODULE_INDICATOR],
[
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
AC_REQUIRE([gl_SYS_WAIT_H_DEFAULTS])
gl_MODULE_INDICATOR_SET_VARIABLE([$1])
dnl Define it also as a C macro, for the benefit of the unit tests.
gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
AC_DEFUN([gl_SYS_WAIT_H_DEFAULTS],
[
GNULIB_WAITPID=0; AC_SUBST([GNULIB_WAITPID])
dnl Assume proper GNU behavior unless another module says otherwise.
])
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