config-scripts/cups-largefile.m4

   1 dnl
   2 dnl "$Id$"
   3 dnl
   4 dnl   Large file support stuff for CUPS.
   5 dnl
   6 dnl   Copyright 2007-2011 by Apple Inc.
   7 dnl   Copyright 1997-2005 by Easy Software Products, all rights reserved.
   8 dnl
   9 dnl   These coded instructions, statements, and computer programs are the
  10 dnl   property of Apple Inc. and are protected by Federal copyright
  11 dnl   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  12 dnl   which should have been included with this file.  If this file is
  13 dnl   file is missing or damaged, see the license at "http://www.cups.org/".
  14 dnl
  15
  16 dnl Check for largefile support...
  17 AC_SYS_LARGEFILE
  18
  19 dnl Define largefile options as needed...
  20 LARGEFILE=""
  21 if test x$enable_largefile != xno; then
  22         LARGEFILE="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE"
  23
  24         if test x$ac_cv_sys_large_files = x1; then
  25                 LARGEFILE="$LARGEFILE -D_LARGE_FILES"
  26         fi
  27
  28         if test x$ac_cv_sys_file_offset_bits = x64; then
  29                 LARGEFILE="$LARGEFILE -D_FILE_OFFSET_BITS=64"
  30         fi
  31 fi
  32 AC_SUBST(LARGEFILE)
  33
  34 dnl Check for "long long" support...
  35 AC_CACHE_CHECK(for long long int, ac_cv_c_long_long,
  36         [if test "$GCC" = yes; then
  37                 ac_cv_c_long_long=yes
  38         else
  39                 AC_TRY_COMPILE(,[long long int i;],
  40                         ac_cv_c_long_long=yes,
  41                         ac_cv_c_long_long=no)
  42         fi])
  43
  44 if test $ac_cv_c_long_long = yes; then
  45         AC_DEFINE(HAVE_LONG_LONG)
  46 fi
  47
  48 AC_CHECK_FUNC(strtoll, AC_DEFINE(HAVE_STRTOLL))
  49
  50 dnl
  51 dnl End of "$Id$".
  52 dnl