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{"@context":"https://schema.org","@type":"QAPage","mainEntity":{"@type":"Question","name":"How are the submodules set up after cloning?","text":"\u003cp dir=\"auto\"\u003eI'm currently working through the Development/Linux section of the readme trying to build everything and I get the following error when running \u003ccode class=\"notranslate\"\u003emake\u003c/code\u003e in my build directory:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"~/dev/Matrix/build$ make\n[  2%] Built target unary_minus\n[  3%] Built target string_to_double\n[  5%] Built target sqrt\n[  7%] Built target reciprocal\n[  9%] Built target power\n[ 11%] Built target determinant\n[ 13%] Built target slice_select\n[ 14%] Built target inverse\n[ 16%] Built target transpose\n[ 18%] Built target indexing\n[ 20%] Built target argmin_argmax\n[ 21%] Built target min_max\n[ 23%] Built target abs\n[ 24%] Built target concatenate\n[ 26%] Built target addition\n[ 28%] Built target log\n[ 29%] Built target element_wise_multiplication\n[ 31%] Built target exp\n[ 33%] Built target matrix_calc\n[ 34%] Built target slice_matrix\n[ 36%] Built target genfromtxt\n[ 37%] Built target get_mat\n[ 39%] Built target initialize\n[ 41%] Built target view_matrix\n[ 43%] Built target delete_\n[ 45%] Built target matrix_multiplication\n[ 46%] Building CXX object benchmarks/CMakeFiles/BM_unary_minus.dir/BM_unary_minus.cpp.o\n/home/anthony/dev/Matrix/benchmarks/BM_unary_minus.cpp:2:10: fatal error: benchmark/benchmark.h: No such file or directory\n #include \u0026lt;benchmark/benchmark.h\u0026gt;\n          ^~~~~~~~~~~~~~~~~~~~~~~\ncompilation terminated.\nbenchmarks/CMakeFiles/BM_unary_minus.dir/build.make:81: recipe for target 'benchmarks/CMakeFiles/BM_unary_minus.dir/BM_unary_minus.cpp.o' failed\nmake[2]: *** [benchmarks/CMakeFiles/BM_unary_minus.dir/BM_unary_minus.cpp.o] Error 1\nCMakeFiles/Makefile2:1062: recipe for target 'benchmarks/CMakeFiles/BM_unary_minus.dir/all' failed\nmake[1]: *** [benchmarks/CMakeFiles/BM_unary_minus.dir/all] Error 2\nMakefile:102: recipe for target 'all' failed\nmake: *** [all] Error 2\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode class=\"notranslate\"\u003e~/dev/Matrix/build$ make\n[  2%] Built target unary_minus\n[  3%] Built target string_to_double\n[  5%] Built target sqrt\n[  7%] Built target reciprocal\n[  9%] Built target power\n[ 11%] Built target determinant\n[ 13%] Built target slice_select\n[ 14%] Built target inverse\n[ 16%] Built target transpose\n[ 18%] Built target indexing\n[ 20%] Built target argmin_argmax\n[ 21%] Built target min_max\n[ 23%] Built target abs\n[ 24%] Built target concatenate\n[ 26%] Built target addition\n[ 28%] Built target log\n[ 29%] Built target element_wise_multiplication\n[ 31%] Built target exp\n[ 33%] Built target matrix_calc\n[ 34%] Built target slice_matrix\n[ 36%] Built target genfromtxt\n[ 37%] Built target get_mat\n[ 39%] Built target initialize\n[ 41%] Built target view_matrix\n[ 43%] Built target delete_\n[ 45%] Built target matrix_multiplication\n[ 46%] Building CXX object benchmarks/CMakeFiles/BM_unary_minus.dir/BM_unary_minus.cpp.o\n/home/anthony/dev/Matrix/benchmarks/BM_unary_minus.cpp:2:10: fatal error: benchmark/benchmark.h: No such file or directory\n #include \u0026lt;benchmark/benchmark.h\u0026gt;\n          ^~~~~~~~~~~~~~~~~~~~~~~\ncompilation terminated.\nbenchmarks/CMakeFiles/BM_unary_minus.dir/build.make:81: recipe for target 'benchmarks/CMakeFiles/BM_unary_minus.dir/BM_unary_minus.cpp.o' failed\nmake[2]: *** [benchmarks/CMakeFiles/BM_unary_minus.dir/BM_unary_minus.cpp.o] Error 1\nCMakeFiles/Makefile2:1062: recipe for target 'benchmarks/CMakeFiles/BM_unary_minus.dir/all' failed\nmake[1]: *** [benchmarks/CMakeFiles/BM_unary_minus.dir/all] Error 2\nMakefile:102: recipe for target 'all' failed\nmake: *** [all] Error 2\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eI'm not super familiar with git but my understanding is that \u003ccode class=\"notranslate\"\u003elib/\u003c/code\u003e contains some submodules that need to be initialized before building. Currently \u003ccode class=\"notranslate\"\u003elib/benchmark/\u003c/code\u003e and \u003ccode class=\"notranslate\"\u003elib/googletest/\u003c/code\u003e are empty directories for me so I'm wondering how to set this up considering there's no \u003ccode class=\"notranslate\"\u003e.gitsubmodule\u003c/code\u003e file anywhere.\u003c/p\u003e\n\u003cp dir=\"auto\"\u003eThanks for the help! Let me know if there's a better place to post this.\u003c/p\u003e","upvoteCount":1,"answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"\u003cblockquote\u003e\n\u003cp dir=\"auto\"\u003eI'm not super familiar with git but my understanding is that lib/ contains some submodules that need to be initialized before building. Currently lib/benchmark/ and lib/googletest/ are empty directories for me so I'm wondering how to set this up considering there's no .gitsubmodule file anywhere.\u003c/p\u003e\n\u003c/blockquote\u003e\n\u003cp dir=\"auto\"\u003eIndeed, there's a missing \u003ccode class=\"notranslate\"\u003e.gitmodules\u003c/code\u003e file here, thanks for pointing it out!\u003cbr\u003e\nI will send in a PR to fix that.\u003c/p\u003e\n\u003cp dir=\"auto\"\u003eEdit 1: Fixed in \u003ca class=\"issue-link js-issue-link\" data-error-text=\"Failed to load title\" data-id=\"777603917\" data-permission-text=\"Title is private\" data-url=\"https://github.com/mlcpp/Matrix/issues/71\" data-hovercard-type=\"pull_request\" data-hovercard-url=\"/mlcpp/Matrix/pull/71/hovercard\" href=\"https://github.com/mlcpp/Matrix/pull/71\"\u003e#71\u003c/a\u003e.\u003c/p\u003e","upvoteCount":1,"url":"https://github.com/mlcpp/Matrix/discussions/69#discussioncomment-257965"}}}