summaryrefslogtreecommitdiff
path: root/m4/count-leading-zeros.m4
blob: 99ffdb261d1812f5373b41d687c5752a3961e979 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
# count-leading-zeros.m4 serial 2
dnl Copyright (C) 2012-2018 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_COUNT_LEADING_ZEROS],
[
  dnl We don't need (and can't compile) count_leading_zeros_ll
  dnl unless the type 'unsigned long long int' exists.
  AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
])