Can't build on Ubuntu - nlohmann/json.hpp: No such file or directory

[atlex]

Operating System: Ubuntu 22.04.4 LTS
Kernel: Linux 6.5.0-28-generic

$ make

[ 2%] Built target CLI11 [ 2%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/binary.cpp.o [ 4%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/contrib/graphbuilderadapter.cpp.o [ 6%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/contrib/graphbuilder.cpp.o [ 8%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/convert.cpp.o [ 10%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/depthguard.cpp.o [ 12%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/directives.cpp.o [ 14%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/emit.cpp.o [ 17%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/emitfromevents.cpp.o [ 19%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/emitter.cpp.o [ 21%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/emitterstate.cpp.o [ 23%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/emitterutils.cpp.o [ 25%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/exceptions.cpp.o [ 27%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/exp.cpp.o [ 29%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/memory.cpp.o [ 31%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/node.cpp.o [ 34%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/node_data.cpp.o [ 36%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/nodeevents.cpp.o [ 38%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/nodebuilder.cpp.o [ 40%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/null.cpp.o [ 42%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/ostream_wrapper.cpp.o [ 44%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/parse.cpp.o [ 46%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/parser.cpp.o [ 48%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/regex_yaml.cpp.o [ 51%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/scanner.cpp.o [ 53%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/scanscalar.cpp.o [ 55%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/scantag.cpp.o [ 57%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/scantoken.cpp.o [ 59%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/simplekey.cpp.o [ 61%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/singledocparser.cpp.o [ 63%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/stream.cpp.o [ 65%] Building CXX object external/yaml-cpp/CMakeFiles/yaml-cpp.dir/src/tag.cpp.o [ 68%] Linking CXX static library libyaml-cpp.a [ 68%] Built target yaml-cpp [ 70%] Building CXX object external/yaml-cpp/util/CMakeFiles/yaml-cpp-read.dir/read.cpp.o [ 72%] Building CXX object external/yaml-cpp/util/CMakeFiles/yaml-cpp-parse.dir/parse.cpp.o [ 74%] Building CXX object external/yaml-cpp/util/CMakeFiles/yaml-cpp-sandbox.dir/sandbox.cpp.o [ 76%] Building CXX object CMakeFiles/sdrTrunkTranscriber.dir/src/main.cpp.o [ 78%] Linking CXX executable parse [ 80%] Linking CXX executable read [ 82%] Linking CXX executable sandbox [ 82%] Built target yaml-cpp-sandbox [ 82%] Built target yaml-cpp-read [ 87%] Building CXX object CMakeFiles/sdrTrunkTranscriber.dir/src/curlHelper.cpp.o [ 87%] Building CXX object CMakeFiles/sdrTrunkTranscriber.dir/src/DatabaseManager.cpp.o [ 87%] Built target yaml-cpp-parse [ 89%] Building CXX object CMakeFiles/sdrTrunkTranscriber.dir/src/fileProcessor.cpp.o [ 91%] Building CXX object CMakeFiles/sdrTrunkTranscriber.dir/src/ConfigSingleton.cpp.o [ 93%] Building CXX object CMakeFiles/sdrTrunkTranscriber.dir/src/transcriptionProcessor.cpp.o /home/pi/cpp-sdrtrunk-transcriber/src/transcriptionProcessor.cpp:15:10: fatal error: nlohmann/json.hpp: No such file or directory 15 | #include <nlohmann/json.hpp> | ^~~~~~~ compilation terminated. make[2]: [CMakeFiles/sdrTrunkTranscriber.dir/build.make:146: CMakeFiles/sdrTrunkTranscriber.dir/src/transcriptionProcessor.cpp.o] Error 1 make[2]: Waiting for unfinished jobs.... make[1]: [CMakeFiles/Makefile2:219: CMakeFiles/sdrTrunkTranscriber.dir/all] Error 2 make: [Makefile:91: all] Error 2

[atlex]

Any Ideas?