emacs/m4/rawmemchr.m4
2024-05-11 18:46:26 -07:00

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629 B
Text

# rawmemchr.m4
# serial 3
dnl Copyright (C) 2003, 2007-2024 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_RAWMEMCHR],
[
dnl Persuade glibc <string.h> to declare rawmemchr().
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
AC_REQUIRE([gl_STRING_H_DEFAULTS])
AC_CHECK_FUNCS([rawmemchr])
if test $ac_cv_func_rawmemchr = no; then
HAVE_RAWMEMCHR=0
fi
])
# Prerequisites of lib/strchrnul.c.
AC_DEFUN([gl_PREREQ_RAWMEMCHR], [:])