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a84b7c53 PE |
1 | # memrchr.m4 serial 10 |
2 | dnl Copyright (C) 2002-2003, 2005-2007, 2009-2013 Free Software Foundation, | |
3 | dnl Inc. | |
4 | dnl This file is free software; the Free Software Foundation | |
5 | dnl gives unlimited permission to copy and/or distribute it, | |
6 | dnl with or without modifications, as long as this notice is preserved. | |
7 | ||
8 | AC_DEFUN([gl_FUNC_MEMRCHR], | |
9 | [ | |
10 | dnl Persuade glibc <string.h> to declare memrchr(). | |
11 | AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) | |
12 | ||
13 | AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) | |
14 | AC_CHECK_DECLS_ONCE([memrchr]) | |
15 | if test $ac_cv_have_decl_memrchr = no; then | |
16 | HAVE_DECL_MEMRCHR=0 | |
17 | fi | |
18 | ||
19 | AC_CHECK_FUNCS([memrchr]) | |
20 | ]) | |
21 | ||
22 | # Prerequisites of lib/memrchr.c. | |
23 | AC_DEFUN([gl_PREREQ_MEMRCHR], [:]) |