Following this document : https://www.absoft.com/wp-content/uploads/2015/08/plplot-5.3.1.pdf
The C++ programmer can write: plstream p( ... ); p.env( ... ); p.line( ... > ); I have "started" to port my Python program to C++, and trying to instantiate plstream and, as example, call start() and give it some parameters: const char *x = "xwin"; PLINT once = 1; PLINT twice = 1; cout << x << endl; plstream p; p.start(x, once, twice); But I get this at compile: [build] CMakeFiles/autoplot++.dir/main.cpp.o: In function `main': [build] /home/xavier/autoplot_plus/main.cpp:521: undefined reference to `plstream::plstream()' [build] /home/xavier/autoplot_plus/main.cpp:521: undefined reference to `plstream::~plstream()' [build] collect2: error: ld returned 1 exit status [build] make[2]: *** [autoplot++] Error 1 [build] make[1]: *** [CMakeFiles/autoplot++.dir/all] Error 2 [build] make: *** [all] Error 2 I'm not sure what's missing here, I'd appreciate if you guys can give me a hint Thanks Xavier
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