| # getentropy.m4 | |
| # serial 3 | |
| dnl Copyright 2020-2026 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. | |
| dnl Written by Paul Eggert. | |
| AC_DEFUN([gl_FUNC_GETENTROPY], | |
| [ | |
| AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) | |
| gl_CHECK_FUNCS_ANDROID([getentropy], | |
| [[#include <unistd.h> | |
| /* Additional includes are needed before <sys/random.h> on uClibc | |
| and Mac OS X. */ | |
| #include <sys/types.h> | |
| #include <stdlib.h> | |
| #include <sys/random.h> | |
| ]]) | |
| if test $ac_cv_func_getentropy = no; then | |
| HAVE_GETENTROPY=0 | |
| case "$gl_cv_onwards_func_getentropy" in | |
| future*) REPLACE_GETENTROPY=1 ;; | |
| esac | |
| fi | |
| ]) |