AC_SYS_LARGEFILE
LARGEFILE=""
if test x$enable_largefile != xno; then
LARGEFILE="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE"
if test x$ac_cv_sys_large_files = x1; then
LARGEFILE="$LARGEFILE -D_LARGE_FILES"
fi
if test x$ac_cv_sys_file_offset_bits = x64; then
LARGEFILE="$LARGEFILE -D_FILE_OFFSET_BITS=64"
fi
fi
AC_SUBST(LARGEFILE)
AC_CACHE_CHECK(for long long int, ac_cv_c_long_long,
[if test "$GCC" = yes; then
ac_cv_c_long_long=yes
else
AC_TRY_COMPILE(,[long long int i;],
ac_cv_c_long_long=yes,
ac_cv_c_long_long=no)
fi])
if test $ac_cv_c_long_long = yes; then
AC_DEFINE(HAVE_LONG_LONG)
fi
AC_CHECK_FUNC(strtoll, AC_DEFINE(HAVE_STRTOLL))