config/unwind_ipinfo.m4

   1 dnl
   2 dnl Check whether _Unwind_GetIPInfo is available without doing a link
   3 dnl test so we can use this with libstdc++-v3 and libjava.  Need to
   4 dnl use $target to set defaults because automatic checking is not possible
   5 dnl without a link test (and maybe even with a link test).
   6 dnl
   7
   8 AC_DEFUN([GCC_CHECK_UNWIND_GETIPINFO], [
   9   AC_ARG_WITH(system-libunwind,
  10   [  --with-system-libunwind use installed libunwind])
  11   # If system-libunwind was not specifically set, pick a default setting.
  12   if test x$with_system_libunwind = x; then
  13     case ${target} in
  14       ia64-*-hpux*) with_system_libunwind=yes ;;
  15       *) with_system_libunwind=no ;;
  16     esac
  17   fi
  18   # Based on system-libunwind and target, do we have ipinfo?
  19   if  test x$with_system_libunwind = xyes; then
  20     case ${target} in
  21       ia64-*-*) have_unwind_getipinfo=no ;;
  22       *) have_unwind_getipinfo=yes ;;
  23     esac
  24   else
  25     # Darwin before version 9 does not have _Unwind_GetIPInfo.
  26     changequote(,)
  27     case ${target} in
  28       *-*-darwin[3-8]|*-*-darwin[3-8].*) have_unwind_getipinfo=no ;;
  29       *) have_unwind_getipinfo=yes ;;
  30     esac
  31     changequote([,])
  32   fi
  33
  34   if test x$have_unwind_getipinfo = xyes; then
  35     AC_DEFINE(HAVE_GETIPINFO, 1, [Define if _Unwind_GetIPInfo is available.])
  36   fi
  37 ])