# call_once.m4 serial 1 dnl Copyright (C) 2024 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_FUNC_CALL_ONCE], [ AC_REQUIRE([gl_THREADS_H]) gl_CHECK_FUNCS_ANDROID([call_once], [[#include ]]) case "$gl_cv_onwards_func_call_once" in future*) REPLACE_CALL_ONCE=1 ;; esac ])