| dnl @synopsis AC_CXX_HAVE_LSTRING |
| dnl |
| dnl If the compiler can prevent names clashes using namespaces, define |
| dnl HAVE_LSTRING. |
| dnl |
| dnl @category Cxx |
| dnl @author James Berry |
| dnl @version 2005-02-21 |
| dnl @license AllPermissive |
| |
| AC_DEFUN([AC_CXX_HAVE_LSTRING], |
| [AC_CACHE_CHECK([whether the compiler implements L"widestring"], |
| ac_cv_cxx_have_lstring, |
| [AC_LANG_SAVE |
| AC_LANG_CPLUSPLUS |
| AC_COMPILE_IFELSE( |
| [AC_LANG_SOURCE( |
| [[const wchar_t* s=L"wide string";]])], |
| ac_cv_cxx_have_lstring=yes, ac_cv_cxx_have_lstring=no) |
| AC_LANG_RESTORE |
| ]) |
| if test "$ac_cv_cxx_have_lstring" = yes; then |
| AC_DEFINE(HAVE_LSTRING,,[define if the compiler implements L"widestring"]) |
| fi |
| ]) |
