| # serial 5 |
| dnl Copyright (C) 2008-2020 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_RANDOM_R], |
| [ |
| AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) |
| AC_REQUIRE([AC_CANONICAL_HOST]) |
| |
| AC_CHECK_HEADERS([random.h], [], [], [AC_INCLUDES_DEFAULT]) |
| if test $ac_cv_header_random_h = no; then |
| HAVE_RANDOM_H=0 |
| fi |
| |
| AC_CHECK_TYPES([struct random_data], |
| [], [HAVE_STRUCT_RANDOM_DATA=0], |
| [[#include <stdlib.h> |
| #if HAVE_RANDOM_H |
| # include <random.h> |
| #endif |
| ]]) |
| |
| dnl On AIX and OSF/1, these functions exist, but with different declarations. |
| dnl Override them all. |
| case "$host_os" in |
| aix* | osf*) |
| REPLACE_RANDOM_R=1 |
| ;; |
| *) |
| AC_CHECK_FUNCS([random_r]) |
| if test $ac_cv_func_random_r = no; then |
| HAVE_RANDOM_R=0 |
| fi |
| ;; |
| esac |
| ]) |
| |
| # Prerequisites of lib/random_r.c. |
| AC_DEFUN([gl_PREREQ_RANDOM_R], [ |
| : |
| ]) |
