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dnl
dnl Check whether _Unwind_GetIPInfo is available without doing a link
dnl test so we can use this with libstdc++-v3 and libjava. Need to
dnl use $target to set defaults because automatic checking is not possible
dnl without a link test (and maybe even with a link test).
dnl
AC_DEFUN([GCC_CHECK_UNWIND_GETIPINFO], [
AC_ARG_WITH(system-libunwind,
[ --with-system-libunwind use installed libunwind])
# If system-libunwind was not specifically set, pick a default setting.
if test x$with_system_libunwind = x; then
case ${target} in
ia64-*-hpux*) with_system_libunwind=yes ;;
*) with_system_libunwind=no ;;
esac
fi
# Based on system-libunwind and target, do we have ipinfo?
if test x$with_system_libunwind = xyes; then
case ${target} in
ia64-*-*) have_unwind_getipinfo=no ;;
*) have_unwind_getipinfo=yes ;;
esac
else
# Darwin before version 9 does not have _Unwind_GetIPInfo.
changequote(,)
case ${target} in
*-*-darwin[3-8]|*-*-darwin[3-8].*) have_unwind_getipinfo=no ;;
*) have_unwind_getipinfo=yes ;;
esac
changequote([,])
fi
if test x$have_unwind_getipinfo = xyes; then
AC_DEFINE(HAVE_GETIPINFO, 1, [Define if _Unwind_GetIPInfo is available.])
fi
])
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