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 ]) 38
