Re: [Plplot-devel] Results with CMake on Cygwin

[Alan W. I. <ir...@be...>]

On 2006-08-18 06:40+0200 Arjen Markus wrote:

>>> 3. Enabling all drivers, shared libraries off:
>>>   Complaints from the compiler (gcc) about tkwin.c:
>>>   a parse error (if I remember correctly) about "nmemb" at
>>>   line 1823.
>>
>> Please give the exact error message (with a lot of surrounding context)
>> and not a paraphrase.

> Using the following command-line (left all drivers on by mistake):
>
> /cygdrive/c/arjen/cmake-cygwin/CMake/bin/cmake -DBUILD_TEST:BOOL=ON
> -DBUILD_SHARED_LIBS:BOOL=OFF -DDEFAULT_NO_DEVICES:BOOL=OFF -DPLD_ps:BOOL=ON
> -G "Unix Makefiles" ../plplot
>
> in the build directory I get (from make):
>
> /cygdrive/c/arjen/plplot-5.6.1-cmake/plplot/drivers/tkwin.c:1823: error:
> parse error before "nmemb"
> /cygdrive/c/arjen/plplot-5.6.1-cmake/plplot/drivers/tkwin.c: In function
> `ckcalloc':
> /cygdrive/c/arjen/plplot-5.6.1-cmake/plplot/drivers/tkwin.c:1826: error:
> `size' undeclared (first use in this function)
> /cygdrive/c/arjen/plplot-5.6.1-cmake/plplot/drivers/tkwin.c:1826: error:
> (Each undeclared identifier is reported only once
> /cygdrive/c/arjen/plplot-5.6.1-cmake/plplot/drivers/tkwin.c:1826: error: for
> each function it appears in.)
> /cygdrive/c/arjen/plplot-5.6.1-cmake/plplot/drivers/tkwin.c:1826: error:
> `nmemb' undeclared (first use in this function)
> make[2]: ***
> [src/CMakeFiles/plplotd.dir/cygdrive/c/arjen/plplot-5.6.1-cmake/plplot/drivers/tkwin.o] Error 1
> make[1]: *** [src/CMakeFiles/plplotd.dir/all] Error 2
> make: *** [all] Error 2

I am not much of a C expert, but the original author of the tkwin device
(Vince Darley who may be lurking on list here) was obviously trying to do a
horrible hack of all the memory management stuff with a bunch of #undef's
and #defs near the front of this file.  This fragile mess works on Linux and
some forms of windows, but obviously not on your version of Cygwin.  Anyhow,
this seems a tough problem to me so I suggest you bypass this for now with
-DPLD_tkwin=OFF on Cygwin.

I don't know what to say regarding the other Cygwin problems you
encountered. Your C++ problem cannot be replicated by Werner so I encourage
you to replicate how he has installed his Cygwin tool chain.  With regard
to the lt_dlinit() problem, I still need the details I asked for to make
further progress.

Alan
__________________________
Alan W. Irwin

Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).

Programming affiliations with the FreeEOS equation-of-state implementation
for stellar interiors (freeeos.sf.net); PLplot scientific plotting software
package (plplot.org); the Yorick front-end to PLplot (yplot.sf.net); the
Loads of Linux Links project (loll.sf.net); and the Linux Brochure Project
(lbproject.sf.net).
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