I'm not sure if the Rprotobuf people read this list. You might look to see
if they have their own mailing list or contact address.
On Wed, Oct 20, 2010 at 1:39 PM, Travis <bacch...@gmail.com> wrote:
> Hello all,
>
> I'm trying to load/save protobuf format data directly in R, so writing
> a R external function in C++. As visual studio doesn't support this
> usage, I have to compile the code with Rtools (which is essentially
> mingw and cygwin). However, when I try to compile it, I receive an
> error because of including the protobuf header.
>
> C:\t>R CMD SHLIB test.cpp
> g++ -I"C:/PROGRA~1/R/R-211~1.1/include" -O2 -Wall -c test.cpp
> -o test.o
> In file included from c:\rtools\mingw\bin\../lib/gcc/mingw32/4.2.1-
> sjlj/include/c++/bits/locale_facets.h:1536,
> from c:\rtools\mingw\bin\../lib/gcc/mingw32/4.2.1-
> sjlj/include/c++/bits/basic_ios.h:44,
> from c:\rtools\mingw\bin\../lib/gcc/mingw32/4.2.1-
> sjlj/include/c++/ios:50,
> from c:\rtools\mingw\bin\../lib/gcc/mingw32/4.2.1-
> sjlj/include/c++/ostream:45,
> from c:\rtools\mingw\bin\../lib/gcc/mingw32/4.2.1-
> sjlj/include/c++/iterator:70,
> from C:/PROGRA~1/R/R-211~1.1/include/google/protobuf/
> repeated_field.h:50,
> from Person.pb.h:23,
> from test.cpp:5:
> c:\rtools\mingw\bin\../lib/gcc/mingw32/4.2.1-sjlj/include/c++/bits/
> codecvt.h:219:45: error: macro "length" passed 4 arguments, but takes
> just 1
> test.cpp:108:4: warning: no newline at end of file
> In file included from c:\rtools\mingw\bin\../lib/gcc/mingw32/4.2.1-
> sjlj/include/c++/bits/locale_facets.h:1536,
> from c:\rtools\mingw\bin\../lib/gcc/mingw32/4.2.1-
> sjlj/include/c++/bits/basic_ios.h:44,
> from c:\rtools\mingw\bin\../lib/gcc/mingw32/4.2.1-
> sjlj/include/c++/ios:50,
> from c:\rtools\mingw\bin\../lib/gcc/mingw32/4.2.1-
> sjlj/include/c++/ostream:45,
> from c:\rtools\mingw\bin\../lib/gcc/mingw32/4.2.1-
> sjlj/include/c++/iterator:70,
> from C:/PROGRA~1/R/R-211~1.1/include/google/protobuf/
> repeated_field.h:50,
> from Person.pb.h:23,
> from test.cpp:5:
> c:\rtools\mingw\bin\../lib/gcc/mingw32/4.2.1-sjlj/include/c++/bits/
> codecvt.h:218: error: expected ';' before 'const'
> c:\rtools\mingw\bin\../lib/gcc/mingw32/4.2.1-sjlj/include/c++/bits/
> codecvt.h:222: error: expected `;' before 'int'
> In file included from Person.pb.h:24,
> from test.cpp:5:
> C:/PROGRA~1/R/R-211~1.1/include/google/protobuf/extension_set.h:450:
> error: expected identifier before '(' token
> C:/PROGRA~1/R/R-211~1.1/include/google/protobuf/extension_set.h:450:
> error: expected `)' before ',' token
> test.cpp: In function 'void cpp_test(int*, double*, double*, int*,
> double*, double*)':
> make: *** [test.o] Error 1
>
> The code in codecvt.h:219:45 is :
> int
> length(state_type& __state, const extern_type* __from,
> const extern_type* __end, size_t __max) const
> { return this->do_length(__state, __from, __end, __max); }
>
> The code in include/google/protobuf/extension_set.h:450 is:
> int GetSize() const;
> void Free();
> int SpaceUsedExcludingSelf() const;
>
> I'm using windows xp sp3, protobuf 2.3.0, g++ (GCC) 4.2.1-sjlj
> (mingw32-2), R version 2.11.1.
>
> I suspect the reason that protobuf is just not compatible with g++
> version 4.2.1 or the g++ in Rtools is somewhat downgraded version of
> full g++, thus does not match with protobuf.
>
> Does anyone have same issues / know how to fix this? Thank you!
>
>
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