Linux fmt error

[martingkarlssonstudent]

Hi, I have made a manual compile to allow shogun to run on Linux Mint, producing an .so file. If I create a class in C++ and add:

include <shogun/neuralnets/NeuralLayers.h>

I get errors of the type:

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g++ -g -Wall -std=c++17 -o ann ann.cc -I/usr/local/include/shogun -lshogun -lfmt In file included from /usr/local/include/shogun/base/constraint.h:10:0, from /usr/local/include/shogun/base/SGObject.h:17, from /usr/local/include/shogun/neuralnets/NeuralLayers.h:38, from ann.cc:3: /usr/local/include/shogun/io/SGIO.h:287:19: error: ‘string_view’ in namespace ‘fmt’ does not name a type const fmt::string_view& msg) const; ^~~ /usr/local/include/shogun/io/SGIO.h: In member function ‘void shogun::io::SGIO::message(shogun::io::EMessageType, const shogun::io::SourceLocation&, const char*, Args&& ...) const’: /usr/local/include/shogun/io/SGIO.h:309:10: error: ‘memory_buffer’ is not a member of ‘fmt’ fmt::memory_buffer msg; ^~~~~ /usr/local/include/shogun/io/SGIO.h:309:10: note: suggested alternative: ‘MemoryWriter’ fmt::memory_buffer msg;

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I have tried installing spdlog and fmt and recompiling the shogun build, but I still get the same error. I am wondering if you know what might be the problem?

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