meson compile -C build - FAILS

[magesticmage]

getting this error after the compile is issued:

root@mage-Standard-PC-i440FX-PIIX-1996:/home/mage/novasdr/NovaSDR-main# meson compile -C build
ninja: Entering directory `/home/mage/novasdr/NovaSDR-main/build'
[1/17] Compiling C++ object spectrumserver.p/src_spectrumserver.cpp.o
FAILED: spectrumserver.p/src_spectrumserver.cpp.o
c++ -Ispectrumserver.p -I. -I.. -Isubprojects/websocketpp-0.8.2 -I../subprojects/websocketpp-0.8.2 -Isubprojects/tomlplusplus-3.4.0/include -I../subprojects/tomlplusplus-3.4.0/include -I../subprojects/glaze/include -Isubprojects/glaze/__CMake_build -I../subprojects/glaze/__CMake_build -Isubprojects/glaze -I../subprojects/glaze -I/usr/include -I/usr/include/x86_64-linux-gnu -flto=auto -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -O3 -g -march=native -ggdb3 -std=c++23 -Wall -Wextra -Wpedantic -ffast-math -funroll-loops -fno-signed-zeros -Wno-missing-braces -DTOML_HEADER_ONLY=0 -DTOML_SHARED_LIB=1 -DBOOST_IOSTREAMS_DYN_LINK=1 -DBOOST_SYSTEM_DYN_LINK=1 -DBOOST_ALL_NO_LIB -fopenmp -pthread -MD -MQ spectrumserver.p/src_spectrumserver.cpp.o -MF spectrumserver.p/src_spectrumserver.cpp.o.d -o spectrumserver.p/src_spectrumserver.cpp.o -c ../src/spectrumserver.cpp
In file included from ../src/signal.h:4,
from ../src/spectrumserver.h:16,
from ../src/spectrumserver.cpp:1:
../src/audio.h:7:10: fatal error: nlohmann/json.hpp: No such file or directory
7 | #include <nlohmann/json.hpp>
| ^~~~~~~~~~~~~~~~~~~
compilation terminated.
[2/17] Compiling C++ object spectrumserver.p/src_websocket.cpp.o
FAILED: spectrumserver.p/src_websocket.cpp.o
c++ -Ispectrumserver.p -I. -I.. -Isubprojects/websocketpp-0.8.2 -I../subprojects/websocketpp-0.8.2 -Isubprojects/tomlplusplus-3.4.0/include -I../subprojects/tomlplusplus-3.4.0/include -I../subprojects/glaze/include -Isubprojects/glaze/__CMake_build -I../subprojects/glaze/__CMake_build -Isubprojects/glaze -I../subprojects/glaze -I/usr/include -I/usr/include/x86_64-linux-gnu -flto=auto -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -O3 -g -march=native -ggdb3 -std=c++23 -Wall -Wextra -Wpedantic -ffast-math -funroll-loops -fno-signed-zeros -Wno-missing-braces -DTOML_HEADER_ONLY=0 -DTOML_SHARED_LIB=1 -DBOOST_IOSTREAMS_DYN_LINK=1 -DBOOST_SYSTEM_DYN_LINK=1 -DBOOST_ALL_NO_LIB -fopenmp -pthread -MD -MQ spectrumserver.p/src_websocket.cpp.o -MF spectrumserver.p/src_websocket.cpp.o.d -o spectrumserver.p/src_websocket.cpp.o -c ../src/websocket.cpp
In file included from ../src/signal.h:4,
from ../src/websocket.cpp:2:
../src/audio.h:7:10: fatal error: nlohmann/json.hpp: No such file or directory
7 | #include <nlohmann/json.hpp>
| ^~~~~~~~~~~~~~~~~~~
compilation terminated.
[3/17] Compiling C++ object spectrumserver.p/src_http.cpp.o
FAILED: spectrumserver.p/src_http.cpp.o
c++ -Ispectrumserver.p -I. -I.. -Isubprojects/websocketpp-0.8.2 -I../subprojects/websocketpp-0.8.2 -Isubprojects/tomlplusplus-3.4.0/include -I../subprojects/tomlplusplus-3.4.0/include -I../subprojects/glaze/include -Isubprojects/glaze/__CMake_build -I../subprojects/glaze/__CMake_build -Isubprojects/glaze -I../subprojects/glaze -I/usr/include -I/usr/include/x86_64-linux-gnu -flto=auto -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -O3 -g -march=native -ggdb3 -std=c++23 -Wall -Wextra -Wpedantic -ffast-math -funroll-loops -fno-signed-zeros -Wno-missing-braces -DTOML_HEADER_ONLY=0 -DTOML_SHARED_LIB=1 -DBOOST_IOSTREAMS_DYN_LINK=1 -DBOOST_SYSTEM_DYN_LINK=1 -DBOOST_ALL_NO_LIB -fopenmp -pthread -MD -MQ spectrumserver.p/src_http.cpp.o -MF spectrumserver.p/src_http.cpp.o.d -o spectrumserver.p/src_http.cpp.o -c ../src/http.cpp
In file included from ../src/signal.h:4,
from ../src/spectrumserver.h:16,
from ../src/http.cpp:2:
../src/audio.h:7:10: fatal error: nlohmann/json.hpp: No such file or directory
7 | #include <nlohmann/json.hpp>
| ^~~~~~~~~~~~~~~~~~~
compilation terminated.
ninja: build stopped: subcommand failed.
root@mage-Standard-PC-i440FX-PIIX-1996:/home/mage/novasdr/NovaSDR-main#

[magesticmage]

i made some progress

i get a 404 on the web page because i think the front end is not successful

i get this: root@mage-Standard-PC-i440FX-PIIX-1996:/home/mage/novasdr/NovaSDR-main/frontend# npm install
npm error code ENOENT
npm error syscall open
npm error path /home/mage/novasdr/NovaSDR-main/frontend/package.json
npm error errno -2
npm error enoent Could not read package.json: Error: ENOENT: no such file or directory, open '/home/mage/novasdr/NovaSDR-main/frontend/package.json'
npm error enoent This is related to npm not being able to find a file.
npm error enoent
npm error A complete log of this run can be found in: /root/.npm/_logs/2025-12-04T13_33_32_629Z-debug-0.log
root@mage-Standard-PC-i440FX-PIIX-1996:/home/mage/novasdr/NovaSDR-main/frontend#

[magesticmage]

ok getting further, i'm at the step where you do a npm run build

i get this

root@mage-Standard-PC-i440FX-PIIX-1996:/home/mage/novasdr/NovaSDR-main/frontend# npm run build
npm error Missing script: "build"
npm error
npm error To see a list of scripts, run:
npm error npm run
npm error A complete log of this run can be found in: /root/.npm/_logs/2025-12-04T14_07_37_206Z-debug-0.log
root@mage-Standard-PC-i440FX-PIIX-1996:/home/mage/novasdr/NovaSDR-main/frontend#