dnl @synopsis AC_CXX_NEW_FOR_SCOPING dnl dnl If the compiler accepts the new for scoping rules (the scope of a dnl variable declared inside the parentheses is restricted to the dnl for-body), define HAVE_NEW_FOR_SCOPING. dnl dnl @version $Id: ac_cxx_new_for_scoping.m4,v 1.1.1.1 2001/07/26 00:46 ac-archive-0.5.39 $ dnl @author Luc Maisonobe dnl AC_DEFUN([AC_CXX_NEW_FOR_SCOPING], [AC_CACHE_CHECK(whether the compiler accepts the new for scoping rules, ac_cv_cxx_new_for_scoping, [AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_TRY_COMPILE(,[ int z = 0; for (int i = 0; i < 10; ++i) z = z + i; for (int i = 0; i < 10; ++i) z = z - i; return z;], ac_cv_cxx_new_for_scoping=yes, ac_cv_cxx_new_for_scoping=no) AC_LANG_RESTORE ]) if test "$ac_cv_cxx_new_for_scoping" = yes; then AC_DEFINE(HAVE_NEW_FOR_SCOPING,,[define if the compiler accepts the new for scoping rules]) fi ])