Hi, 
 I would like to be able to make scientific 2D plots (Y against X) 
 within an Ada code itself. I've been taken a look at PLplot but the 
 installation is cumbersome for a Windows machine. The installation of 
 PLplot for Windows is at: 

http://www.miscdebris.net/plplot_wiki/index.php?title=Specifics_for_v... 
http://www.google.com/url?sa=D&q=http://www.miscdebris.net/plplot_wiki/index.php%3Ftitle%3DSpecifics_for_various_platforms%23Windows&usg=AFQjCNEn6bCn6YlzN_3r9meVjWj6c7DpqA
 

. The installation is as follows: 
cd plplot 
 mkdir buildmingw 
 cd buildmingw 
 cmake -G "MinGW Makefiles" -DCMAKE_INSTALL_PREFIX=install .. 
 mingw32-make 
 mingw32-make install 

I decided to go for the MinGW instillation by downloading the exe file 
 from http://sourceforge.net/projects/mingw/files/ 
http://www.google.com/url?sa=D&q=http://sourceforge.net/projects/mingw/files/&usg=AFQjCNEG_0G3UI7FWS3v5Edjm7JqVrUOzQ
  . I also got cmake 
 for Windows here: http://www.cmake.org/cmake/resources/software.html 
http://www.google.com/url?sa=D&q=http://www.cmake.org/cmake/resources/software.html&usg=AFQjCNEcrUowF_WTTyzd1my_ZnS1K6LdnQ
  . 
Now, on running the fourth instruction for installing PLplot (see 
 above), I get: 

C:\plplot-5.9.6\buildmingw>cmake -G "MinGW Makefiles" - 
 DCMAKE_INSTALL_PREFIX=ins 
 tall .. 
 CMake Error at C:/Program Files/CMake 2.8/share/cmake-2.8/Modules/ 
 CMakeDetermine 
 CCompiler.cmake:44 (MESSAGE): 
 Could not find compiler set in environment variable CC: 
cl. 
 Call Stack (most recent call first): 
 CMakeLists.txt:38 (project) 
CMake Error: Error required internal CMake variable not set, cmake may 
 be not be 
 built correctly. 
 Missing variable is: 
 CMAKE_C_COMPILER_ENV_VAR 
 CMake Error: Error required internal CMake variable not set, cmake may 
 be not be 
 built correctly. 
 Missing variable is: 
 CMAKE_C_COMPILER 
 CMake Error: Could not find cmake module file:C:/plplot-5.9.6/ 
 buildmingw/CMakeFi 
 les/CMakeCCompiler.cmake 
 CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage 
 -- Configuring incomplete, errors occurred! 
C:\plplot-5.9.6\buildmingw> 


I chose in the installation options to let cmake create the necessary 
 system paths. I wonder why the environment variables 
 CMAKE_C_COMPILER_ENV_VAR and CMAKE_C_COMPILER were not created during 
 the installation. I have the GNAT compiler. and for C I have the 
 Borland C++ Personal and MVS 2008 and 2010 compilers. Any suggestions? 


Thanks a lot...
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