Also, specifying --llvm-opts "['-O3', '-internalize']" doesn't seem to do anything, and using --llvm-opts "['-O3', '-strip']" causes the `asm2wasm` step to then fail with:
`Fatal: duplicate function: $_` On Tuesday, February 13, 2018 at 3:49:41 PM UTC+1, Lorenzo Wölckner wrote: > > Hello everyone, > > I am a bit lost at the moment regarding the correct way to really fully > strip all symbol information for the final resulting .js plus .wasm library. > In my C++ project I set all the needed flags in cmake for the first > "compilation from C++ to LLVM bitcode" step, including -O3 > -fvisibility=hidden -fvisibility-inlines-hidden -DNDEBUG, I also try to > strip symbols on linking. > In the second "compilation from bitcode to WASM" step I also set all the > related flags that I could find like -O3 --llvm-lto 3 --llvm-opts "['-O3']". > > In the resulting .js file however I noticed that there are > many __GLOBAL__sub_I_ExampleClassNameHere_cpp variables (which are then > used inside __ATINIT__ for global initialization). > This exposes all the names of my library's classes. > Trying to use the EVAL_CTORS=1 flags doesn't work as it cannot eval some > of the functions: > DEBUG:root:trying to eval __GLOBAL__I_000101 > ...stopping since could not eval: call import: env.invoke_i > > Is there some flag or setting I forgot in either of the compilation steps > to be able to correctly strip/hide symbols for these remaining global > initializers and not expose the internals of my original C++ library? > It's ok for all of these to be called but I would like to have > masked/obfuscated/minified names for them... > > Thanks in advance for the help. > -- 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. For more options, visit https://groups.google.com/d/optout.
