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 Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
   8 dnl
   9
  10 dnl Check for largefile support...
  11 AC_SYS_LARGEFILE
  12
  13 dnl Define largefile options as needed...
  14 LARGEFILE=""
  15 if test x$enable_largefile != xno; then
  16         LARGEFILE="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE"
  17
  18         if test x$ac_cv_sys_large_files = x1; then
  19                 LARGEFILE="$LARGEFILE -D_LARGE_FILES"
  20         fi
  21
  22         if test x$ac_cv_sys_file_offset_bits = x64; then
  23                 LARGEFILE="$LARGEFILE -D_FILE_OFFSET_BITS=64"
  24         fi
  25 fi
  26 AC_SUBST(LARGEFILE)
  27
  28 dnl Check for "long long" support...
  29 AC_CACHE_CHECK(for long long int, ac_cv_c_long_long,
  30         [if test "$GCC" = yes; then
  31                 ac_cv_c_long_long=yes
  32         else
  33                 AC_TRY_COMPILE(,[long long int i;],
  34                         ac_cv_c_long_long=yes,
  35                         ac_cv_c_long_long=no)
  36         fi])
  37
  38 if test $ac_cv_c_long_long = yes; then
  39         AC_DEFINE(HAVE_LONG_LONG)
  40 fi
  41
  42 AC_CHECK_FUNC(strtoll, AC_DEFINE(HAVE_STRTOLL))