[Tinyos-help] Can't Blink with "make micaz sim"

[Sivan Toledo]

Same here. I built python 2.3 from the sources and copied the libraries 
to /usr/lib. This resolved the previous linking problems but generated 
the same error that Carlos is reporting, the unresolved reference 
_WinMain at 16. Sivan


Carlos Perez wrote:

> I believe I was able to fix the library issue. But now I'm getting 
> this error:
>
>   linking into shared object ./_TOSSIM.dll
> g++ -fpic -W1,--enabled-auto-image-base   build/micaz/pytossim.o 
> build/micaz/sim.o build/micaz/tossim.o -L/python2.4 -lstdc++ - 
> lpython2.4 -o _TOSSIM.dll
> /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../libcygwin.a(libcmain.o):: 
> undefined reference to `_WinMain at 16'
>
> I googled the error for some solutions, and tried adding 
> "-Wl,u,_WinMain at 16" to the linking command but that didn't help. Any 
> ideas on this one?
>
> On 10/8/06, *Carlos Perez* <crperez at gmail.com 
> <mailto:crperez at gmail.com>> wrote:
>
>     Hi,
>
>     I'm having the same problem with my python libraries. I tried the
>     "configure;make" with Python 2.5 and changed my sim-cygwin.extra
>     and sim.extra but had no luck. Now it's complaining about
>     "Python.h : No such file or directory". Can you give me some
>     insight into how exactly do I make it find Python.h? What else
>     must I point sim-cygwin.extra to?
>
>
>     On 10/8/06, * Sivan Toledo* <stoledo at tau.ac.il
>     <mailto:stoledo at tau.ac.il>> wrote:
>
>         It seems that there is no shared-object library in the python
>         package of
>         cygwin (neither in the version on that is part of the cygwin
>         bundle on
>         tinyos.net <http://tinyos.net> nor in the current versions on
>         cygwin.com <http://cygwin.com>), and that there is
>         nothing called cygwin-devel, so I guess that this library
>         might have
>         been created by a full "configure;make;" of the python sources.
>
>
>         If you have a working copy of the .so file, I would appreciate
>         a copy to
>         try to void the "configure;make" hassle.
>
>
>         Sivan
>
>
>         Philip Levis wrote:
>
>         > On Oct 7, 2006, at 12:02 PM, Sivan Toledo wrote:
>         >
>         >>  I'm using tinyos-2.0.0beta2-3.cygwin.noarch.rpm which is
>         what the
>         >> TinyOS installation page specifies.
>         >> <
>         http://www.tinyos.net/dist-2.0.0/tinyos/windows/tinyos-2.0.0beta2-3.cygwin.noarch.rpm>
>         >>
>         >>
>         >>
>         >> I don't think the problem is with the version of python. The
>         command
>         >> that fails is
>         >>
>         >>
>         >> g++ -shared -fPIC  build/micaz/pytossim.o build/micaz/sim.o
>         >> build/micaz/tossim.o -lstdc++  -o _TOSSIMmodule.so
>         >>
>         >>
>         >> The unresolved references are in pytossim.o, and they seem
>         to refer
>         >> to some Python-related library (symbols like
>         _PyString_FromString and
>         >> __imp__PyExc_NameError). I don't see on this command line
>         the library
>         >> from which they should come. They are not in tossim.o (I
>         checked with
>         >> nm).
>         >>
>         >>
>         >> The instructions in the TOSSIM tutorial seem pretty similar
>         to the
>         >> one in the first tutorial, it basically just say to run
>         "make micaz
>         >> sim" in apps/Blink.
>         >
>         >
>         > Hm. This is weird. -fPIC suggests that it thinks it's
>         compiling for
>         > Linux, not Cygwin. The default sim.extra tries to figure out
>         which OS
>         > you are with the OSTYPE environment variable. If it is
>         "cygwin", it
>         > compiles for Cygwin, if "darwin" it compiles for Mac OSX,
>         otherwise
>         > Linux.
>         >
>         > What is this environment variable on your machine? Can you try
>         >
>         > OSTYPE=cygwin make micaz sim
>         >
>         > and see what happens?
>         >
>         > The other possibility is that you don't have the Python
>         development
>         > libraries. I had though that this was standard on most
>         Cygwins, but...
>         > did you install the one linked on the TinyOS site?
>         >
>         > Phil
>         >
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