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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Unable to compile examples on MacOS","articleBody":"### fatal error: 'Python/Python.h' file not found\r\nI tried to add the file to my current project to plot some graph but couldn't make it to work. **Please help me in this matter.**\r\n\r\nThere are 2 files `matplotlibcpp.cpp` and `matplotlibcpp.h`\r\n\r\nI downloaded the `matplotlibcpp.h` file from this repo\r\n\r\nHere is the example file `matplotlibcpp.cpp` \r\n```cpp\r\n#include \"matplotlibcpp.h\"\r\n#include \u003ccmath\u003e\r\n\r\nnamespace plt = matplotlibcpp;\r\n\r\nint main()\r\n{\r\n    // Prepare data.\r\n    int n = 5000;\r\n    std::vector\u003cdouble\u003e x(n), y(n), z(n), w(n,2);\r\n    for(int i=0; i\u003cn; ++i) {\r\n        x.at(i) = i*i;\r\n        y.at(i) = sin(2*M_PI*i/360.0);\r\n        z.at(i) = log(i);\r\n    }\r\n\r\n    // Set the size of output image to 1200x780 pixels\r\n    plt::figure_size(1200, 780);\r\n    // Plot line from given x and y data. Color is selected automatically.\r\n    plt::plot(x, y);\r\n    // Plot a red dashed line from given x and y data.\r\n    plt::plot(x, w,\"r--\");\r\n    // Plot a line whose name will show up as \"log(x)\" in the legend.\r\n    plt::named_plot(\"log(x)\", x, z);\r\n    // Set x-axis to interval [0,1000000]\r\n    plt::xlim(0, 1000*1000);\r\n    // Add graph title\r\n    plt::title(\"Sample figure\");\r\n    // Enable legend.\r\n    plt::legend();\r\n    // Save the image (file format is determined by the extension)\r\n    plt::save(\"./basic.png\");\r\n}\r\n```\r\n\r\nI compile using \r\n```bash\r\ng++ matplotlibcpp.cpp -std=c++11 -I/opt/homebrew/opt/python@3.12/Frameworks/Python.framework/Versions/3.12/include/python3.12 -lpython3.12\r\n```\r\nand got this error\r\n```bash\r\nIn file included from matplotlibcpp.cpp:1:\r\n./matplotlibcpp.h:5:10: fatal error: 'Python/Python.h' file not found\r\n#include \u003cPython/Python.h\u003e\r\n         ^~~~~~~~~~~~~~~~~\r\n1 error generated.\r\n```\r\n","author":{"url":"https://github.com/ngquyduc","@type":"Person","name":"ngquyduc"},"datePublished":"2024-06-05T07:12:46.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/361/matplotlib-cpp/issues/361"}