config-scripts/cups-largefile.m4

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