From 252601302d45036817546c533743e5918b6b86e8 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 5 May 2024 19:38:31 +0200 Subject: Adding upstream version 1.21.3. Signed-off-by: Daniel Baumann --- m4/sys_wait_h.m4 | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 m4/sys_wait_h.m4 (limited to 'm4/sys_wait_h.m4') diff --git a/m4/sys_wait_h.m4 b/m4/sys_wait_h.m4 new file mode 100644 index 0000000..0aa4f7c --- /dev/null +++ b/m4/sys_wait_h.m4 @@ -0,0 +1,51 @@ +# sys_wait_h.m4 serial 9 +dnl Copyright (C) 2008-2022 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_ONCE([gl_SYS_WAIT_H], +[ + AC_REQUIRE([gl_SYS_WAIT_H_DEFAULTS]) + + dnl 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 ]], + [waitpid]) +]) + +# gl_SYS_WAIT_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_WAIT_MODULE_INDICATOR], +[ + dnl Ensure to expand the default settings once only. + gl_SYS_WAIT_H_REQUIRE_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]) +]) + +# 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_WAIT_H_REQUIRE_DEFAULTS], +[ + m4_defun(GL_MODULE_INDICATOR_PREFIX[_SYS_WAIT_H_MODULE_INDICATOR_DEFAULTS], [ + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WAITPID]) + ]) + m4_require(GL_MODULE_INDICATOR_PREFIX[_SYS_WAIT_H_MODULE_INDICATOR_DEFAULTS]) + AC_REQUIRE([gl_SYS_WAIT_H_DEFAULTS]) +]) + +AC_DEFUN([gl_SYS_WAIT_H_DEFAULTS], +[ + dnl Assume proper GNU behavior unless another module says otherwise. +]) -- cgit v1.2.3