On 2015-05-13 06:37-0000 Arjen Markus wrote:
> Hi Alan,
>
>
>
> The outcome of that test was:
>
>
>
> -- The C compiler identification is GNU 4.9.2
>
> -- Check for working C compiler: /usr/bin/cc
>
> -- Check for working C compiler: /usr/bin/cc -- works
>
> -- Detecting C compiler ABI info
>
> -- Detecting C compiler ABI info - done
>
> -- Detecting C compile features
>
> -- Detecting C compile features - done
>
> -- CMake version = 3.1.2
>
> -- CMAKE_SYSTEM_NAME = CYGWIN
>
> -- Configuring done
>
> -- Generating done
>
> -- Build files have been written to: /cygdrive/d/tmp/cmake
Thanks for these no-spurious-message results which are quite
puzzling/unexpected.
To proceed further please change that test to be identical to
line 33 through line 87 of our top-level CMakeLists.txt file, i.e.,
the range of lines:
function(plplot_cmake_minimum_required)
[...]
message(STATUS "CMAKE_SYSTEM_NAME = ${CMAKE_SYSTEM_NAME}")
?
If that second simple example (which is really not that different than
the first simple example) generates the spurious message, please debug
further by using the --debug-output and/or -trace cmake options and/or
inserting message statements into this special simple example to do an
approximate binary search to find the line that is generating the
spurious message.
If that second simple example does not generate the spurious message,
please do similar debugging of our real top-level CMakeLists.txt file
for PLplot until you find the line that is generating the spurious
message.
The spurious message does indicate something is not quite right either
with CMake or our build system on the Cygwin platform so I really
would appreciate you doing this further detective work to figure out
the line that is causing the issue.
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); the Time
Ephemerides project (timeephem.sf.net); PLplot scientific plotting
software package (plplot.sf.net); the libLASi project
(unifont.org/lasi); the Loads of Linux Links project (loll.sf.net);
and the Linux Brochure Project (lbproject.sf.net).
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