summaryrefslogtreecommitdiff
path: root/m4/count-one-bits.m4
blob: 17b24b2600635e834df3f53e63e38edb70a25f66 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
# count-one-bits.m4 serial 2
dnl Copyright (C) 2007, 2009, 2010 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_ONE_BITS],
[
  dnl We don't need (and can't compile) count_one_bits_ll
  dnl unless the type 'unsigned long long int' exists.
  AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])

  dnl Prerequisites of lib/count-one-bits.h.
  AC_REQUIRE([AC_C_INLINE])
])