https://gist.github.com/d3x0r/ca3cef9a5fc9124dd1f43a94ce098b5b
This gist approximately demonstrates what I'm doing. In my main code I'm getting 'undefined reference to '_free'' which IS exported in the libcore equivalent... The error that script is generating is... ``` M:\sack\amalgamate\wasmgui\testlink>call emcc main.c -L. -lc.wasm -o main.wasm emcc:WARNING: ignoring dynamic library libc.wasm.so because not compiling to JS or HTML, remember to link it when compiling to JS or HTML at the end error: undefined symbol: runTask warning: To disable errors for undefined symbols use `-s ERROR_ON_UNDEFINED_SYMBOLS=0` Error: Aborting compilation due to previous errors shared:ERROR: 'H:/dev2/emsdk/node/8.9.1_64bit/bin/node.exe H:\dev2\emsdk\emscripten\1.38.32\src\compiler.js C:\Users\XXX\AppData\Local\Temp\tmp7btk6r.txt H:\dev2\emsdk \emscripten\1.38.32\src\library_pthread_stub.js' failed (1) ``` How should I actually be generating dynamic modules? Can I specify just the base name to emcc? like -o 'x.wasm' isn't really enough because it can generate .js, .wast, .mem all at once.... Do dynamic modules actually load each other? Is all of that linking information actually in the .JS file? I did a quick search for the other 'libraries' that core/image linked to... but didn't find that text... I have been able to take all of the following, and compact it into 1 module; but in reality, the next projects cannot be conglomerated as easily.... I have a structure kind of like... hmm several low level libraries like zlib, png, jpeg, freetype, genx, expat I have a common core module, which is definitely a good candidate for -s MAIN_MODULE I have an image module, which links to core and zlib, png, jpeg, freetype I have a controls module, which links to core and expat, genx Then I have a loader.c (main.c) It does some things like setup emscripten filesystems, calls the core's initialization, which should dynamically load the image module, which will provide a structure with function pointers which the controls library will use. It then runs a function in the controls module (the 'app') The layer, I have a presentation shell, which is a dynamic module, which links to controls and core, but then it has a bunch of dynamic module plugins, which link to core. These module plugins have no functions to export. There was a comment I read long the way saying 'a module that doesn't export anything is pretty useless'. Modules still have a start point, which allows them to run code that lets them then register their functions/interfaces. Function can also just be flagged with `void f(void) __attribute__((constructor))` which will cause them to run when the module loads, and doesn't require exporting anything. -- You received this message because you are subscribed to the Google Groups "emscripten-discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to emscripten-discuss+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/emscripten-discuss/6c61563e-6640-4316-ba18-4a2d99469bed%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
