| # reallocarray.m4 serial 3 |
| dnl Copyright (C) 2017-2021 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_REALLOCARRAY], |
| [ |
| dnl Persuade glibc <stdlib.h> to declare reallocarray. |
| AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) |
| |
| AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) |
| AC_REQUIRE([gl_CHECK_MALLOC_PTRDIFF]) |
| AC_CHECK_FUNCS([reallocarray]) |
| if test "$ac_cv_func_reallocarray" = no; then |
| HAVE_REALLOCARRAY=0 |
| elif test "$gl_cv_malloc_ptrdiff" = no; then |
| REPLACE_REALLOCARRAY=1 |
| fi |
| ]) |
| |
| # Prerequisites of lib/reallocarray.c. |
| AC_DEFUN([gl_PREREQ_REALLOCARRAY], [:]) |
