Thanks for your quick reply Alon. Just to confirm, I did emsdk list and saw sdk-tag-1.36.7-64bit which I could build from source. Can I use this instead of incoming?
I would like to build from a tagged version rather than incoming so that everybody in my team would be using the same code. On Friday, August 19, 2016 at 1:14:25 AM UTC+8, Alon Zakai wrote: > > Probably 1.36.3 is too old - looks like it's emitting 0xa wasm and the > browser expects the current 0xb version. If you use emscripten incoming > (1.36.7 currently) it will emit 0xb. > > On Thu, Aug 18, 2016 at 5:20 AM, awt <[email protected] <javascript:>> > wrote: > >> Hi, >> >> I have a very simple helloworld program that I compiled to wasm using the >> following command: >> >> emcc helloworld.cpp -s BINARYEN=1 -o helloworld.html >> >> These are my build steps: >> 1. Build sdk-1.36.3-64bit from source on windows using VS2015 >> 2. Make a manual fix to file.cpp in binaryen e.g. in wasm::read_file, >> >> template <typename T> >> T wasm::read_file(const std::string &filename, bool binary, bool debug) { >> if (debug) std::cerr << "Loading '" << filename << "'..." << std::endl; >> std::ifstream infile; >> auto flags = std::ifstream::in; >> if (binary) flags |= std::ifstream::binary; >> infile.open(filename, flags); >> if (!infile.is_open()) { >> std::cerr << "Failed opening '" << filename << "'" << std::endl; >> exit(EXIT_FAILURE); >> } >> infile.seekg(0, std::ios::end); >> std::streampos insize = infile.tellg(); >> if (uint64_t(insize) >= std::numeric_limits<size_t>::max()) { >> // Building a 32-bit executable where size_t == 32 bits, we are not >> able to create strings larger than 2^32 bytes in length, so must abort here. >> std::cerr << "Failed opening '" << filename << "': Input file too >> large: " << insize << " bytes. Try rebuilding in 64-bit mode." << std::endl; >> exit(EXIT_FAILURE); >> } >> T input(size_t(insize) + 1, '\0'); >> infile.seekg(0); >> infile.read(&input[0], insize); >> return input; >> } >> >> change the highlighted line to 'int flags = std::ifstream::in;' >> >> When I try to run it on Chrome Canary (Version 54.0.2831.0 canary >> (64-bit)), I get the following error: >> >> helloworld.js:89594 Uncaught Wasm.instantiateModule(): Result = expected >> version 0b 00 00 00, found 0a 00 00 00 @+4 >> Module.asm @ helloworld.js:89594(anonymous function) @ >> helloworld.js:95297 >> >> On Firefox Nightly (51.0a1 (2016-08-09)), I see the following error: >> >> TypeError: wasm error: compile error at offset 8: failed to match binary >> version >> helloworld.js:89594:18doNativeWasm/Module.asmhttp://localhost:8080/helloworld.js:89594:18<anonymous> >> >> Any advice to fix the above error would be much appreciated. Thanks. >> >> -- >> 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 [email protected] <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
