wasm@deco:~/trydynlib$ make

emcc -s WASM=0 -s SIDE_MODULE=1 -DLIBK_COMPILE -o libk_so.js libk.c
emcc -s WASM=0 -s MAIN_MODULE=1 -o prog.js prog.c
warning: unexpected number of arguments 0 in call to 'kfunc1', should be 1

wasm@deco:~/trydynlib$ node prog.js
prog!
external function 'kfunc1' is missing. perhaps a side module was not linked in? if this function was expected to arrive from a system library, try to build the MAIN_MODULE with EMCC_FORCE_STDLIBS=1 in the environment
external function 'kfunc1' is missing. perhaps a side module was not linked in? if this function was expected to arrive from a system library, try to build the MAIN_MODULE with EMCC_FORCE_STDLIBS=1 in the environment
exception thrown: abort("external function 'kfunc1' is missing. perhaps a side module was not linked in? if this function was expected to arrive from a system library, try to build the MAIN_MODULE with EMCC_FORCE_STDLIBS=1 in the environment") at Error
    at jsStackTrace (/home/wasm/trydynlib/prog.js:1135:13)
    at stackTrace (/home/wasm/trydynlib/prog.js:1152:12)
    at abort (/home/wasm/trydynlib/prog.js:106460:44)
    at _kfunc1 (/home/wasm/trydynlib/prog.js:7562:27)
    at _main (/home/wasm/trydynlib/prog.js:30419:8)
    at Object.asm._main (/home/wasm/trydynlib/prog.js:105713:21)
    at Object.callMain (/home/wasm/trydynlib/prog.js:106290:30)
    at doRun (/home/wasm/trydynlib/prog.js:106348:60)
    at run (/home/wasm/trydynlib/prog.js:106362:5)
    at Object.<anonymous> (/home/wasm/trydynlib/prog.js:106485:1)