7 files changed, 30 insertions, 31 deletions
diff --git a/gnuradio-runtime/include/gnuradio/thread/thread_group.h b/gnuradio-runtime/include/gnuradio/thread/thread_group.h
index 425858636f..9895068373 100644
--- a/gnuradio-runtime/include/gnuradio/thread/thread_group.h
+++ b/gnuradio-runtime/include/gnuradio/thread/thread_group.h
@@ -17,6 +17,7 @@
 
 #include <gnuradio/api.h>
 #include <gnuradio/thread/thread.h>
+#include <boost/any.hpp>
 #include <boost/core/noncopyable.hpp>
 #include <boost/function.hpp>
 #include <boost/thread/shared_mutex.hpp>
diff --git a/gnuradio-runtime/include/pmt/pmt.h b/gnuradio-runtime/include/pmt/pmt.h
index 7afdb92288..b55cc57d9f 100644
--- a/gnuradio-runtime/include/pmt/pmt.h
+++ b/gnuradio-runtime/include/pmt/pmt.h
@@ -12,8 +12,8 @@
 #define INCLUDED_PMT_H
 
 #include <pmt/api.h>
+#include <boost/any.hpp>
 #include <boost/noncopyable.hpp>
-#include <any>
 #include <complex>
 #include <cstdint>
 #include <iosfwd>
@@ -664,9 +664,10 @@ PMT_API pmt_t dict_values(pmt_t dict);
 
 /*
  * ------------------------------------------------------------------------
- *   Any (wraps std::any -- can be used to wrap pretty much anything)
+ *   Any (wraps boost::any -- can be used to wrap pretty much anything)
  *
  * Cannot be serialized or used across process boundaries.
+ * See http://www.boost.org/doc/html/any.html
  * ------------------------------------------------------------------------
  */
 
@@ -674,13 +675,13 @@ PMT_API pmt_t dict_values(pmt_t dict);
 PMT_API bool is_any(pmt_t obj);
 
 //! make an any
-PMT_API pmt_t make_any(const std::any& any);
+PMT_API pmt_t make_any(const boost::any& any);
 
-//! Return underlying std::any
-PMT_API std::any any_ref(pmt_t obj);
+//! Return underlying boost::any
+PMT_API boost::any any_ref(pmt_t obj);
 
 //! Store \p any in \p obj
-PMT_API void any_set(pmt_t obj, const std::any& any);
+PMT_API void any_set(pmt_t obj, const boost::any& any);
 
 
 /*
diff --git a/gnuradio-runtime/lib/block_registry.cc b/gnuradio-runtime/lib/block_registry.cc
index 9ba79c924a..a32c0e6801 100644
--- a/gnuradio-runtime/lib/block_registry.cc
+++ b/gnuradio-runtime/lib/block_registry.cc
@@ -13,7 +13,6 @@
 #include <gnuradio/block_detail.h>
 #include <gnuradio/block_registry.h>
 #include <gnuradio/tpb_detail.h>
-#include <any>
 
 gr::block_registry global_block_registry;
 
@@ -97,7 +96,7 @@ basic_block_sptr block_registry::block_lookup(pmt::pmt_t symbol)
     if (pmt::eq(ref, pmt::PMT_NIL)) {
         throw std::runtime_error("block lookup failed! block not found!");
     }
-    basic_block* blk = std::any_cast<basic_block*>(pmt::any_ref(ref));
+    basic_block* blk = boost::any_cast<basic_block*>(pmt::any_ref(ref));
     return blk->shared_from_this();
 }
 
diff --git a/gnuradio-runtime/lib/pmt/pmt.cc b/gnuradio-runtime/lib/pmt/pmt.cc
index 043b9eb6a6..d4ada683f9 100644
--- a/gnuradio-runtime/lib/pmt/pmt.cc
+++ b/gnuradio-runtime/lib/pmt/pmt.cc
@@ -16,7 +16,6 @@
 #include <gnuradio/messages/msg_accepter.h>
 #include <pmt/pmt.h>
 #include <pmt/pmt_pool.h>
-#include <any>
 #include <cstdio>
 #include <cstring>
 #include <vector>
@@ -742,20 +741,20 @@ pmt_t dict_values(pmt_t dict)
 //                                 Any
 ////////////////////////////////////////////////////////////////////////////
 
-pmt_any::pmt_any(const std::any& any) : d_any(any) {}
+pmt_any::pmt_any(const boost::any& any) : d_any(any) {}
 
 bool is_any(pmt_t obj) { return obj->is_any(); }
 
-pmt_t make_any(const std::any& any) { return pmt_t(new pmt_any(any)); }
+pmt_t make_any(const boost::any& any) { return pmt_t(new pmt_any(any)); }
 
-std::any any_ref(pmt_t obj)
+boost::any any_ref(pmt_t obj)
 {
     if (!obj->is_any())
         throw wrong_type("pmt_any_ref", obj);
     return _any(obj)->ref();
 }
 
-void any_set(pmt_t obj, const std::any& any)
+void any_set(pmt_t obj, const boost::any& any)
 {
     if (!obj->is_any())
         throw wrong_type("pmt_any_set", obj);
@@ -771,8 +770,8 @@ bool is_msg_accepter(const pmt_t& obj)
     if (!is_any(obj))
         return false;
 
-    std::any r = any_ref(obj);
-    return std::any_cast<gr::messages::msg_accepter_sptr>(&r) != 0;
+    boost::any r = any_ref(obj);
+    return boost::any_cast<gr::messages::msg_accepter_sptr>(&r) != 0;
 }
 
 //! make a msg_accepter
@@ -782,8 +781,8 @@ pmt_t make_msg_accepter(gr::messages::msg_accepter_sptr ma) { return make_any(ma
 gr::messages::msg_accepter_sptr msg_accepter_ref(const pmt_t& obj)
 {
     try {
-        return std::any_cast<gr::messages::msg_accepter_sptr>(any_ref(obj));
-    } catch (std::bad_any_cast& e) {
+        return boost::any_cast<gr::messages::msg_accepter_sptr>(any_ref(obj));
+    } catch (boost::bad_any_cast& e) {
         throw wrong_type("pmt_msg_accepter_ref", obj);
     }
 }
diff --git a/gnuradio-runtime/lib/pmt/pmt_int.h b/gnuradio-runtime/lib/pmt/pmt_int.h
index 1c4b149a49..7aadefe4d7 100644
--- a/gnuradio-runtime/lib/pmt/pmt_int.h
+++ b/gnuradio-runtime/lib/pmt/pmt_int.h
@@ -11,7 +11,7 @@
 #define INCLUDED_PMT_INT_H
 
 #include <pmt/pmt.h>
-#include <any>
+#include <boost/any.hpp>
 
 /*
  * EVERYTHING IN THIS FILE IS PRIVATE TO THE IMPLEMENTATION!
@@ -170,15 +170,15 @@ public:
 
 class pmt_any : public pmt_base
 {
-    std::any d_any;
+    boost::any d_any;
 
 public:
-    pmt_any(const std::any& any);
+    pmt_any(const boost::any& any);
     //~pmt_any();
 
     bool is_any() const override { return true; }
-    const std::any& ref() const { return d_any; }
-    void set(const std::any& any) { d_any = any; }
+    const boost::any& ref() const { return d_any; }
+    void set(const boost::any& any) { d_any = any; }
 };
 
 
diff --git a/gnuradio-runtime/lib/pmt/qa_pmt_prims.cc b/gnuradio-runtime/lib/pmt/qa_pmt_prims.cc
index 7219f6f099..f74dd2f7f9 100644
--- a/gnuradio-runtime/lib/pmt/qa_pmt_prims.cc
+++ b/gnuradio-runtime/lib/pmt/qa_pmt_prims.cc
@@ -12,7 +12,6 @@
 #include <pmt/api.h> //reason: suppress warnings
 #include <boost/format.hpp>
 #include <boost/test/unit_test.hpp>
-#include <any>
 #include <cstring>
 #include <sstream>
 
@@ -456,9 +455,9 @@ std::ostream& operator<<(std::ostream& os, const foo obj)
 
 BOOST_AUTO_TEST_CASE(test_any)
 {
-    std::any a0;
-    std::any a1;
-    std::any a2;
+    boost::any a0;
+    boost::any a1;
+    boost::any a2;
 
     a0 = std::string("Hello!");
     a1 = 42;
@@ -469,11 +468,11 @@ BOOST_AUTO_TEST_CASE(test_any)
     pmt::pmt_t p2 = pmt::make_any(a2);
 
     BOOST_CHECK_EQUAL(std::string("Hello!"),
-                      std::any_cast<std::string>(pmt::any_ref(p0)));
+                      boost::any_cast<std::string>(pmt::any_ref(p0)));
 
-    BOOST_CHECK_EQUAL(42, std::any_cast<int>(pmt::any_ref(p1)));
+    BOOST_CHECK_EQUAL(42, boost::any_cast<int>(pmt::any_ref(p1)));
 
-    BOOST_CHECK_EQUAL(foo(3.250, 21), std::any_cast<foo>(pmt::any_ref(p2)));
+    BOOST_CHECK_EQUAL(foo(3.250, 21), boost::any_cast<foo>(pmt::any_ref(p2)));
 }
 
 // ------------------------------------------------------------------------
@@ -492,7 +491,7 @@ BOOST_AUTO_TEST_CASE(test_msg_accepter)
 {
     pmt::pmt_t sym = pmt::mp("my-symbol");
 
-    std::any a0;
+    boost::any a0;
     a0 = std::string("Hello!");
     pmt::pmt_t p0 = pmt::make_any(a0);
 
diff --git a/gnuradio-runtime/python/pmt/__init__.py b/gnuradio-runtime/python/pmt/__init__.py
index d654ad542c..9b313330b0 100644
--- a/gnuradio-runtime/python/pmt/__init__.py
+++ b/gnuradio-runtime/python/pmt/__init__.py
@@ -24,7 +24,7 @@ more flexible.
 
 The PMT library supports the following major types:
 bool, symbol (string), integer, real, complex, null, pair, list,
-vector, dict, uniform_vector, any (std::any cast)
+vector, dict, uniform_vector, any (boost::any cast)
 '''