acinclude.m4

dnl CURL_CHECK_WIN32_LARGEFILE
dnl -------------------------------------------------
dnl Check if curl's WIN32 large file will be used

AC_DEFUN([CURL_CHECK_WIN32_LARGEFILE], [
  AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
  AC_MSG_CHECKING([whether build target supports WIN32 file API])
  curl_win32_file_api="no"
  if test "$ac_cv_header_windows_h" = "yes"; then
    if test x"$enable_largefile" != "xno"; then
      AC_COMPILE_IFELSE([
        AC_LANG_PROGRAM([[
        ]],[[
#if !defined(_WIN32_WCE) && \
    (defined(__MINGW32__) || \
    (defined(_MSC_VER) && (defined(_WIN32) || defined(_WIN64))))
          int dummy=1;
#else
          WIN32 large file API not supported.
#endif
        ]])
      ],[
        curl_win32_file_api="win32_large_files"
      ])
    fi
    if test "$curl_win32_file_api" = "no"; then
      AC_COMPILE_IFELSE([
        AC_LANG_PROGRAM([[
        ]],[[
#if defined(_WIN32_WCE) || defined(__MINGW32__) || defined(_MSC_VER)
          int dummy=1;
#else
          WIN32 small file API not supported.
#endif
        ]])
      ],[
        curl_win32_file_api="win32_small_files"
      ])
    fi
  fi
  case "$curl_win32_file_api" in
    win32_large_files)
      AC_MSG_RESULT([yes (large file enabled)])
      AC_DEFINE_UNQUOTED(USE_WIN32_LARGE_FILES, 1,
        [Define to 1 if you are building a Windows target with large file support.])
      ;;
    win32_small_files)
      AC_MSG_RESULT([yes (large file disabled)])
      AC_DEFINE_UNQUOTED(USE_WIN32_LARGE_FILES, 1,
        [Define to 1 if you are building a Windows target without large file support.])
      ;;
    *)
      AC_MSG_RESULT([no])
      ;;
  esac
])