m4/exportdynamic.m4

   1 dnl Check how to export all functions, which is needed for libglade to set up
   2 dnl the event handlers.
   3 AC_DEFUN([CHECK_EXPORT_DYNAMIC],
   4 [
   5   AC_MSG_CHECKING(for extra flags needed to export symbols)
   6   case $host_os in
   7     aix4*|aix5*)
   8       EXPORT_DYNAMIC_FLAGS="-Wl,-bexpall,-brtl"
   9       ;;
  10     bsdi*)
  11       EXPORT_DYNAMIC_FLAGS="-rdynamic"
  12       ;;
  13     *)
  14       save_ldflags="$LDFLAGS"
  15       LDFLAGS=-Wl,-export-dynamic
  16       AC_TRY_LINK(,,[EXPORT_DYNAMIC_FLAGS="-Wl,-export-dynamic"],
  17         [
  18           LDFLAGS=-Wl,-Bexport
  19           AC_TRY_LINK(,,[EXPORT_DYNAMIC_FLAGS="- Wl,-Bexport"],
  20                       AC_MSG_RESULT(none))
  21         ]
  22       )
  23       LDFLAGS="$save_ldflags"
  24       ;;
  25   esac
  26   AC_SUBST(EXPORT_DYNAMIC_FLAGS)
  27   test "x$EXPORT_DYNAMIC_FLAGS" != x && AC_MSG_RESULT([$EXPORT_DYNAMIC_FLAGS])
  28 ])