No more dependence on libstdc++ or PBDS stuff: remove build stuff that supported it.

diff --git a/configure.ac b/configure.ac
index 57e5d46dce9c863cf2f3444292cd2112b71203db..e30c12a6f11e40dbed6ee2041f544c81093fd280 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -795,43 +795,6 @@ void foo(int64_t) {}])],
 AC_LANG_POP([C++])
 AC_SUBST([CVC4_NEED_INT64_T_OVERLOADS])
 
-AC_MSG_CHECKING([for the pb_ds namespace])
-AC_LANG_PUSH([C++])
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([
-#include <ext/pb_ds/priority_queue.hpp>
-typedef pb_ds::priority_queue<void, void, void> pq;])],
-  [CVC4_PB_DS_NAMESPACE=pb_ds],
-  [AC_COMPILE_IFELSE([AC_LANG_SOURCE([
-    #include <ext/pb_ds/priority_queue.hpp>
-    typedef __gnu_pbds::priority_queue<void, void, void> pq;])],
-      [CVC4_PB_DS_NAMESPACE=__gnu_pbds],
-      [AC_MSG_ERROR([cannot find required priority_queue in either __gnu_pbds or pb_ds namespace.
-
-If you're using a non-GCC compiler (such as clang), you may need to explicitly
-use the GNU standard C++ library by passing:
-    CXXFLAGS='-stdlib=libstdc++' CPPFLAGS='-stdlib=libstdc++'
-as arguments to this configure script.
-This is the case on Mac OS Mavericks, for example.])])])
-AC_LANG_POP([C++])
-AC_MSG_RESULT([$CVC4_PB_DS_NAMESPACE])
-AC_DEFINE_UNQUOTED(CVC4_PB_DS_NAMESPACE, ${CVC4_PB_DS_NAMESPACE}, [The namespace for pb_ds data structures.])
-
-# for information: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36612
-AC_MSG_CHECKING([whether pb_ds has bug 36612])
-AC_LANG_PUSH([C++])
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([
-#define __throw_container_error inline __throw_container_error
-#define __throw_insert_error inline __throw_insert_error
-#define __throw_join_error inline __throw_join_error
-#define __throw_resize_error inline __throw_resize_error
-#include <ext/pb_ds/exception.hpp>
-])],
-  [CVC4_GCC_HAS_PB_DS_BUG=1; bugverb=is],
-  [CVC4_GCC_HAS_PB_DS_BUG=0; bugverb="is not"])
-AC_LANG_POP([C++])
-AC_MSG_RESULT([bug $bugverb present])
-AC_DEFINE_UNQUOTED(CVC4_GCC_HAS_PB_DS_BUG, ${CVC4_GCC_HAS_PB_DS_BUG}, [Whether libstdc++ has a certain bug; see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36612])
-
 # Check for ANTLR runantlr script (defined in config/antlr.m4)
 AC_PROG_ANTLR