OpenCV Build JS Fails on MacOS
I am trying to compile OpenCV for the web (JavaScript). I have set everything up, however, I keep running into this issue where I would run the following command:
$ sudo python3 ./platforms/js/build_js.py build_wasm --build_wasm --emscripten_dir /Users/erdesign7/emsdk/upstream/emscripten
and I would keep getting this error
Re-run cmake no build system arguments
-- OpenCV: system-specific configuration file is not found: 'Emscripten'
-- Detected processor: x86
-- Looking for ccache - not found
CMake Error at cmake/OpenCVCompilerOptimizations.cmake:593 (message):
Compiler doesn't support baseline optimization flags:
Call Stack (most recent call first):
cmake/OpenCVCompilerOptions.cmake:296 (ocv_compiler_optimization_options)
CMakeLists.txt:610 (include)
-- Configuring incomplete, errors occurred!
See also "/Users/erdesign7/Desktop/Software/grab_cut_frontend/opencv/build_wasm/CMakeFiles/CMakeOutput.log".
See also "/Users/erdesign7/Desktop/Software/grab_cut_frontend/opencv/build_wasm/CMakeFiles/CMakeError.log".
Traceback (most recent call last):
File "./platforms/js/build_js.py", line 269, in <module>
builder.config()
File "./platforms/js/build_js.py", line 192, in config
execute(cmd)
File "./platforms/js/build_js.py", line 23, in execute
raise Fail("Child returned: %s" % retcode)
__main__.Fail: Child returned: 1
I went to line 296
in the file OpenCVCompilerOptions.cmake
and this was the following code
294 include(cmake/OpenCVCompilerOptimizations.cmake)
295 if(COMMAND ocv_compiler_optimization_options)
296 ocv_compiler_optimization_options()
297 endif()
298 if(COMMAND ocv_compiler_optimization_options_finalize)
299 ocv_compiler_optimization_options_finalize()
300 endif()
And all I did was comment out line 296 and VIOALA the compilation worked and it finished.
294 include(cmake/OpenCVCompilerOptimizations.cmake)
295 if(COMMAND ocv_compiler_optimization_options)
296 # I COMMENTED OUT THIS LINE ocv_compiler_optimization_options()
297 endif()
298 if(COMMAND ocv_compiler_optimization_options_finalize)
299 ocv_compiler_optimization_options_finalize()
300 endif()
Why does that function create that error and how can I compile successfully on a Mac with the compiler optimization flags???
Can someone please explain??
Thank you in advance.