Re: [openvrml-develop] Link failure in building OpenVRML-0.16.1 on Mac OS X ppc

[Philip L. <ph...@ed...>]

On 25/11/2006, at 11:48 AM, Thomas Engelmeier wrote:
>
> On 23.11.2006, at 20:20, Philip Lamb wrote:
>
>> Hi all,
>>
>> I finally got around to building OpenVRML on Mac OS X on a PowerPC
>> machine, and have encountered a build failure during linking. This
>> doesn't appear on Mac OS X x86 and I'm at a bit of a loss to diagnose
>> the cause:
>
> I messed around with it some months ago. I don=B4t have the fixed =20
> source at hand, but IIRC fix to link
>
> te$ c++filt =20
> _ZTv0_n16_ZN46_GLOBAL__N_openvrml_node.cpp_00000000_0CF9259613self_ref=20=

> _node16do_event_emitterERKSsENK13dummy_emitter14do_eventout_idEv
>
> =3D>
>
> virtual thunk to (anonymous =20
> namespace)::self_ref_node::do_event_emitter(std::basic_string<char, =20=

> std::char_traits<char>, std::allocator<char> > =20
> const&)::dummy_emitter::do_eventout_id() const
>
> was to move the inner, local classes dummy_emitter and =20
> dummy_listener to static local file scope...

OK, thanks for the tip. I have just tested it and it appears to be =20
effective.

So the current state of my patch file to get OpenVRML 0.16.2 to build =20=

for Mac OS X is:


=3D=3D=3D=3D=3D=3D BEGIN PATCH FILE =3D=3D=3D=3D=3D=3D=3D
diff -urN openvrml-0.16.2/src/libopenvrml/openvrml/node.cpp =20
openvrml-0.16.2.patched/src/libopenvrml/openvrml/node.cpp
--- openvrml-0.16.2/src/libopenvrml/openvrml/node.cpp   2006-10-23 =20
19:37:26.000000000 +1300
+++ openvrml-0.16.2.patched/src/libopenvrml/openvrml/node.cpp   =20
2006-12-01 12:54:39.000000000 +1300
@@ -1641,6 +1641,31 @@
   * @brief <code>mfvec3f</code> <code>exposedfield</code>.
   */
+class dummy_emitter : public openvrml::sfbool_emitter {
+public:
+       explicit dummy_emitter(const openvrml::sfbool & value):
+               openvrml::event_emitter(value),
+               openvrml::sfbool_emitter(value)
+       {}
+
+private:
+       virtual const std::string do_eventout_id() const =20
OPENVRML_NOTHROW
+       {
+               return std::string();
+       }
+};
+
+class dummy_listener : public openvrml::sfbool_listener {
+public:
+       virtual ~dummy_listener() OPENVRML_NOTHROW
+       {}
+
+private:
+       virtual void do_process_event(const openvrml::sfbool &, double)
+               OPENVRML_THROW1(std::bad_alloc)
+       {}
+};
+
namespace {
      class OPENVRML_LOCAL self_ref_node : public openvrml::node {
@@ -1686,17 +1711,6 @@
      self_ref_node::do_event_listener(const std::string &)
          OPENVRML_THROW1(openvrml::unsupported_interface)
      {
-        class dummy_listener : public openvrml::sfbool_listener {
-        public:
-            virtual ~dummy_listener() OPENVRML_NOTHROW
-            {}
-
-        private:
-            virtual void do_process_event(const openvrml::sfbool &, =20
double)
-                OPENVRML_THROW1(std::bad_alloc)
-            {}
-        };
-
          static dummy_listener listener;
          return listener;
      }
@@ -1705,20 +1719,6 @@
      self_ref_node::do_event_emitter(const std::string &)
          OPENVRML_THROW1(openvrml::unsupported_interface)
      {
-        class dummy_emitter : public openvrml::sfbool_emitter {
-        public:
-            explicit dummy_emitter(const openvrml::sfbool & value):
-                openvrml::event_emitter(value),
-                openvrml::sfbool_emitter(value)
-            {}
-
-        private:
-            virtual const std::string do_eventout_id() const =20
OPENVRML_NOTHROW
-            {
-                return std::string();
-            }
-        };
-
          openvrml::sfbool val;
          static dummy_emitter emitter(val);
          return emitter;
diff -urN openvrml-0.16.2/src/libopenvrml-gl/openvrml/gl/viewer.cpp =20
openvrml-0.16.2.patched/src/libopenvrml-gl/openvrml/gl/viewer.cpp
--- openvrml-0.16.2/src/libopenvrml-gl/openvrml/gl/viewer.cpp   =20
2006-10-11 13:54:31.000000000 +1300
+++ openvrml-0.16.2.patched/src/libopenvrml-gl/openvrml/gl/=20
viewer.cpp   2006-12-01 11:43:13.000000000 +1300
@@ -1971,7 +1971,7 @@
       * As the type of callback functions given to OpenGL, this type =20=

must have
       * C linkage.
       */
-    typedef GLvoid (OPENVRML_GL_CALLBACK_* TessCB)();
+    typedef GLvoid (OPENVRML_GL_CALLBACK_* TessCB)(...);
      /**
       * @internal
@@ -2043,7 +2043,8 @@
                              reinterpret_cast<TessCB>=20
(tessExtrusionBegin));
              gluTessCallback(&tesselator, GLU_TESS_VERTEX_DATA,
                              reinterpret_cast<TessCB>=20
(tessExtrusionVertex));
-            gluTessCallback(&tesselator, GLU_TESS_END, glEnd);
+            gluTessCallback(&tesselator, GLU_TESS_END,
+                                               =20
reinterpret_cast<GLvoid (*)(...)>(glEnd));
              if (mask & viewer::mask_bottom) {
                  TessExtrusion bottom(&c[0][0],

=3D=3D=3D=3D=3D=3D END PATCH FILE =3D=3D=3D=3D=3D=3D=3D

Many thanks,

Phil.