[CMake] System is unknown to cmake message

[James Dishaw]

I am one of the developers for PLPlot and I have been trying different build
configurations to check where it does and does not work.

 

When I tried building on Windows 10 using MSYS2, I get the "System is
unknown to cmake" message.  The cmake identifies the system as
"MINGW64_NT-10.0"

 

I managed to get cmake to generate a working Makefile with the following
command line

 

cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=/opt/plplot -DPLD_wingdi=ON
-DPLD_wingcc=ON -DWIN32=1 -DMINGW=1 -DMINGWLIBPATH=/d/msys64/usr/lib/w32api

../plplot/ &> cmake.log

 

I have attached the cache file per the instructions in the message.  Please
let me know if you need me to try anything.  

 

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