1 # count-trailing-zeros.m4
2 dnl Copyright (C) 2013-2015 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_COUNT_TRAILING_ZEROS],
9 dnl We don't need (and can't compile) count_trailing_zeros_ll
10 dnl unless the type 'unsigned long long int' exists.
11 AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])