| # explicit_bzero.m4 | |
| # serial 1 | |
| dnl Copyright 2017-2026 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. | |
| AC_DEFUN([gl_FUNC_EXPLICIT_BZERO], | |
| [ | |
| AC_REQUIRE([gl_STRING_H_DEFAULTS]) | |
| dnl Persuade glibc <string.h> to declare explicit_bzero. | |
| AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) | |
| AC_CHECK_FUNCS_ONCE([explicit_bzero]) | |
| if test $ac_cv_func_explicit_bzero = no; then | |
| HAVE_EXPLICIT_BZERO=0 | |
| fi | |
| ]) |