I can compile C++ to .so , but cannot compile it to wasm

[hannong cheng]

emcc: error: '/home/chn/emsdk/upstream/bin/clang++ -target wasm32-unknown-emscripten -fignore-exceptions -fvisibility=default -mllvm -combiner-global-alias-analysis=false -mllvm -enable-emscripten-sjlj -mllvm -disable-lsr -DEMSCRIPTEN --sysroot=/home/chn/emsdk/upstream/emscripten/cache/sysroot -Xclang -iwithsysroot/include/fakesdl -Xclang -iwithsysroot/include/compat -std=c++11 -v ikfastec66_emcc.cpp -c -o /tmp/emscripten_temp_9h7smuih/ikfastec66_emcc_0.o' failed (received SIGKILL (-9))

[Sam Clegg]

It looks like the compiler process was killed via SIGKILL.  Any idea why that might be?   This can happen if some external process kills the compiler or, if think, if the kernel runs out of memory.   Is the source file you are compiling particularly large? 

cheers,

sam

On Tue, May 23, 2023 at 7:12 PM hannong cheng <hannon...@gmail.com> wrote:

emcc: error: '/home/chn/emsdk/upstream/bin/clang++ -target wasm32-unknown-emscripten -fignore-exceptions -fvisibility=default -mllvm -combiner-global-alias-analysis=false -mllvm -enable-emscripten-sjlj -mllvm -disable-lsr -DEMSCRIPTEN --sysroot=/home/chn/emsdk/upstream/emscripten/cache/sysroot -Xclang -iwithsysroot/include/fakesdl -Xclang -iwithsysroot/include/compat -std=c++11 -v ikfastec66_emcc.cpp -c -o /tmp/emscripten_temp_9h7smuih/ikfastec66_emcc_0.o' failed (received SIGKILL (-9))

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[hannong cheng]

-->Is the source file you are compiling particularly large? 

thanks, Yes, it is about 3.3MB.  and about 110,000 lines, mainly produced by another tool. and it only computes and output the results without any display function

[Sam Clegg]

On Fri, May 26, 2023 at 3:19 PM hannong cheng <hannon...@gmail.com> wrote:

-->Is the source file you are compiling particularly large? 

thanks, Yes, it is about 3.3MB.  and about 110,000 lines, mainly produced by another tool. and it only computes and output the results without any display function

It sounds like you could just be running out of memory on the build machine.     Can you split up the large file?

在2023年5月24日星期三 UTC+8 11:02:07<s...@google.com> 写道：

It looks like the compiler process was killed via SIGKILL.  Any idea why that might be?   This can happen if some external process kills the compiler or, if think, if the kernel runs out of memory.   Is the source file you are compiling particularly large? 

cheers,

sam

On Tue, May 23, 2023 at 7:12 PM hannong cheng <hannon...@gmail.com> wrote:

emcc: error: '/home/chn/emsdk/upstream/bin/clang++ -target wasm32-unknown-emscripten -fignore-exceptions -fvisibility=default -mllvm -combiner-global-alias-analysis=false -mllvm -enable-emscripten-sjlj -mllvm -disable-lsr -DEMSCRIPTEN --sysroot=/home/chn/emsdk/upstream/emscripten/cache/sysroot -Xclang -iwithsysroot/include/fakesdl -Xclang -iwithsysroot/include/compat -std=c++11 -v ikfastec66_emcc.cpp -c -o /tmp/emscripten_temp_9h7smuih/ikfastec66_emcc_0.o' failed (received SIGKILL (-9))

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[hannong cheng]

thanks, you are right, that's the memory problem, the cpp file is complex because it was produced by machine. so I changed memory from 16GB to 32GB then this problem is gone so far, many thanks