Linking failure with 2.0.7

[lxp...@gmail.com]

Hi,

we are encountering linking problems with the latest release (2.0.7). Some functions (c++17 ?) are undefined. Both on ubuntu-latest and OS X. Everything works properly with 2.0.6. Any idea what to change? Thanks

Laurent

https://github.com/musicEnfanthen/verovio/runs/1257309439?check_suite_focus=true

error: undefined symbol: __cxa_pure_virtual (referenced by top-level compiled C/C++ code) warning: ___cxa_pure_virtual may need to be added to EXPORTED_FUNCTIONS if it arrives from a system library error: undefined symbol: __dynamic_cast (referenced by top-level compiled C/C++ code) warning: ___dynamic_cast may need to be added to EXPORTED_FUNCTIONS if it arrives from a system library Error: Aborting compilation due to previous errors emcc: error: '/home/runner/work/verovio/verovio/emsdk-cache/emsdk-master/node/12.18.1_64bit/bin/node /home/runner/work/verovio/verovio/emsdk-cache/emsdk-master/upstream/emscripten/src/compiler.js /tmp/tmpac1bbxbf.txt' failed (1) Failed.

[lxp...@gmail.com]

The issue was solved by changing to em++

https://github.com/emscripten-core/emscripten/commit/e32abfa40ed25006c0e8647e0f302a971f61037b

[Sam Clegg]

Out of interest, are you linking with `-s STRICT=1`?

The intention was that (initially anyway) only users of `-s STRICT=1` would require `em++` for linking C++ programs. 

cheers,

sam

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[Sam Clegg]

Checking your logs it looks like you are.. so all is working as intended!