Hello Dave,
I 'll go with the second option and write a user-level library.
It seems that x10.runtime/src-cpp/x10/lang/Complex.cc doesn't exist.
It seems that the file is not included in the distribution.
Could you please point another path?
Apologies for all these questions.
Cheers,
Konstantina
2014-03-18 2:16 GMT+00:00 David P Grove <gro...@us.ibm.com>:
> Konstantina Panagiotopoulou <kwno...@hotmail.com> wrote on 03/15/2014
> 06:44:13 PM:
>
> >
> > I have started reading on the Complex and Double bindings you
> > pointed in your previous email.
> > I am still trying to get around the wrapping procedure.
> >
> > I want to ask how to compile these files.
>
> >
> > I ll probably need g++, but what args am I passing?
> > Also, shall I place them in the same directories as Complex and Double?
> > Finally,since GMP is also ported to C++ from C, I need to pass these
> > two library flags
> > " --lgmpxx -lgmp" and (if it was for C++ code) #include
> > <gmpxx.h>. Is this possible?
> >
>
> Hi,
>
> You have two possible approaches.
>
> Build it in to the core X10 standard library: For the truly core classes
> like Complex and Double, we have native files that are included in the X10
> standard C++ library (x10.runtime/src-cpp/x10/lang/ComplexNatives* and
> DoubleNatives*). Add the link/include flags to
> x10.runtime/src-cpp/Make.rules. This is probably the quickest way to do
> it, but requires you to build X10 from source and is probably harder to
> eventually contribute back.
>
> Build it more as a user-level library without rebuilding X10: This
> approach would be easier to contribute back, since it doesn't add a
> dependency on GMP. To make it work, you use a set of annotations
> (@NativeCPPInclude, @NativeCPPCompilationUnit) and additional command line
> arguments to x10c++.
>
> @NativeCPPInclude("foo.h") is used to add a #include "foo.h" to the top
> of the C++ file generated from the X10 file.
>
> @NativeCPPCompilationUnit("foo.cc") is used to add foo.cc to the
> compilation/link command of g++ when the C++ file generated from the X10
> file is compiled.
>
> To add extra library flags, you invoke x10c++ with -cxx-postarg to pass
> along extra arguments to g++. For example x10c++ MyFile.x10 -cxx-postarg
> -lgmpxx -cxx-postarg -lgmp
>
> Hope this helps a little bit.
>
> I think the way to start is to start small, experiment with the various
> annotations and x10c++ arguments on a small file to see what they do, then
> grow from there.
>
> You may already know this, but a useful trick is:
>
> x10c++ -report postcompile=5 <REST OF COMMAND>
>
> This causes x10c++ to echo the exact command line it is using to invoke
> g++, which can help see what the various arguments are doing.
>
> [dgrove@linchen myTests]$ x10c++ -report postcompile=5
> HelloWholeWorld.x10
> Output files: {HelloWholeWorld=[HelloWholeWorld.h, HelloWholeWorld.cc]}
> Executing post-compiler g++ -I/home/dgrove/x10-trunk/x10.dist/include
> -I/home/dgrove/x10-trunk/x10.dist/stdlib/include
> -I/home/dgrove/x10-trunk/myTests -I. -Wno-long-long -Wno-unused-parameter
> -DHOMOGENEOUS -DX10_USE_BDWGC -Wl,--no-as-needed -pthread
> HelloWholeWorld.cc xxx_main_xxx.cc
> -L/home/dgrove/x10-trunk/x10.dist/stdlib/lib -lx10 -lgc -lm -lpthread -lrt
> -ldl -L/home/dgrove/x10-trunk/x10.dist/lib -lx10rt_sockets -Wl,--rpath
> -Wl,/home/dgrove/x10-trunk/x10.dist/stdlib/lib -Wl,--rpath
> -Wl,/home/dgrove/x10-trunk/x10.dist/lib -Wl,-export-dynamic
>
> --dave
>
>
>
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