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 $target to set defaults because automatic checking is not possible
5 dnl without a link test (and maybe even with a link test).
8 AC_DEFUN([GCC_CHECK_UNWIND_GETIPINFO], [
9 AC_ARG_WITH(system-libunwind,
10 [ --with-system-libunwind use installed libunwind])
11 # If system-libunwind was not specifically set, pick a default setting.
12 if test x$with_system_libunwind = x; then
14 ia64-*-hpux*) with_system_libunwind=yes ;;
15 *) with_system_libunwind=no ;;
18 # Based on system-libunwind and target, do we have ipinfo?
19 if test x$with_system_libunwind = xyes; then
21 ia64-*-*) have_unwind_getipinfo=no ;;
22 *) have_unwind_getipinfo=yes ;;
25 # Darwin before version 9 does not have _Unwind_GetIPInfo.
28 *-*-darwin[3-8]|*-*-darwin[3-8].*) have_unwind_getipinfo=no ;;
29 *) have_unwind_getipinfo=yes ;;
34 if test x$have_unwind_getipinfo = xyes; then
35 AC_DEFINE(HAVE_GETIPINFO, 1, [Define if _Unwind_GetIPInfo is available.])