test_gw does not compile

[p91paul]

Running make test_gw (as well as just make) leads to compile errors.

Some errors are easy (patch below), but I got stuck on this one:

$ make test_gw
Scanning dependencies of target test_gw
Building CXX object tests/d/CMakeFiles/test_gw.dir/test_gw.cpp.o
/home/paolo/Programmazione/fastflow/tests/d/test_gw.cpp: In function ‘int main(int, char**)’:
/home/paolo/Programmazione/fastflow/tests/d/test_gw.cpp:128:2: error: ‘InOut0’ was not declared in this scope
  InOut0 n0(name1,address1,name2,address2,&transport);
  ^~~~~~
/home/paolo/Programmazione/fastflow/tests/d/test_gw.cpp:128:2: note: suggested alternative: ‘InOut1’
  InOut0 n0(name1,address1,name2,address2,&transport);
  ^~~~~~
  InOut1
/home/paolo/Programmazione/fastflow/tests/d/test_gw.cpp:129:2: error: ‘n0’ was not declared in this scope
  n0.skipfirstpop(true);
  ^~
In file included from /home/paolo/Programmazione/fastflow/tests/d/test_gw.cpp:16:
/home/paolo/Programmazione/fastflow/ff/dnode.hpp: In instantiation of ‘int ff::ff_dinout<CommImplIn, CommImplOut>::initOut(const string&, const string&, int, typename CommImplOut::TransportImpl*, int, ff::dnode_cbk_t) [with CommImplIn = ff::zmqOnDemand; CommImplOut = ff::zmqFromAny; std::__cxx11::string = std::__cxx11::basic_string<char>; typename CommImplOut::TransportImpl = ff::zmqTransport; ff::dnode_cbk_t = void (*)(void*, void*)]’:
/home/paolo/Programmazione/fastflow/tests/d/test_gw.cpp:52:26:   required from here
/home/paolo/Programmazione/fastflow/ff/dnode.hpp:535:41: error: ‘bool ff::ff_dnode<ff::zmqFromAny>::skipdnode’ is protected within this context
         ff_dnode<CommImplOut>::skipdnode=false;
         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
/home/paolo/Programmazione/fastflow/ff/dnode.hpp:433:14: note: declared protected here
     bool     skipdnode;
              ^~~~~~~~~
/home/paolo/Programmazione/fastflow/ff/dnode.hpp:535:41: error: invalid use of non-static data member ‘ff::ff_dnode<ff::zmqFromAny>::skipdnode’
         ff_dnode<CommImplOut>::skipdnode=false;
         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
/home/paolo/Programmazione/fastflow/ff/dnode.hpp:433:14: note: declared here
     bool     skipdnode;
              ^~~~~~~~~
/home/paolo/Programmazione/fastflow/ff/dnode.hpp:536:34: error: ‘void (* ff::ff_dnode<ff::zmqFromAny>::cb)(void*, void*)’ is protected within this context
         ff_dnode<CommImplOut>::cb=cbk;
         ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
/home/paolo/Programmazione/fastflow/ff/dnode.hpp:440:13: note: declared protected here
 dnode_cbk_t ff_dnode<CommImpl>::cb=0;
             ^~~~~~~~~~~~~~~~~~
make[3]: *** [tests/d/CMakeFiles/test_gw.dir/build.make:63: tests/d/CMakeFiles/test_gw.dir/test_gw.cpp.o] Error 1
make[2]: *** [CMakeFiles/Makefile2:8024: tests/d/CMakeFiles/test_gw.dir/all] Error 2
make[1]: *** [CMakeFiles/Makefile2:8036: tests/d/CMakeFiles/test_gw.dir/rule] Error 2
make: *** [Makefile:2801: test_gw] Error 2

Patch for trivial issues:

diff --git a/tests/d/test_gw.cpp b/tests/d/test_gw.cpp
index 7d1b6ba..256a2de 100644
--- a/tests/d/test_gw.cpp
+++ b/tests/d/test_gw.cpp
@@ -11,6 +11,7 @@
  *
  */
 
+#include <iostream>
 #include <ff/node.hpp>
 #include <ff/dnode.hpp>
 #include <ff/d/inter.hpp>
@@ -53,7 +54,7 @@ public:
        return 0;
     }
     // TODO: increase/decrease granularity at run-time
-    void * svc(void *task) { return task);
+    void * svc(void *task) { return task; };
     
 protected:
     const std::string name1;
@@ -96,7 +97,7 @@ public:
        printf("InOut1 ending\n");
     }
 
-    virtual FFBUFFER * const get_out_buffer() const { return (FFBUFFER*)1;}
+    virtual FFBUFFER * get_out_buffer() const { return (FFBUFFER*)1;}
 
 protected:
     const std::string name1;

Compiler version:

g++ (Debian 8.2.0-4) 8.2.0
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