On Wed, May 20, 2020 at 6:55 PM 'Steven Johnson' via emscripten-discuss < [email protected]> wrote:
> I did not know that. That sounds like a much better approach anyway :-) > I'll hold off changing any of this until you can make your change downstream. Can you let me know when have converted? cheers, sam > On Wed, May 20, 2020 at 5:21 PM 'Sam Clegg' via emscripten-discuss < > [email protected]> wrote: > >> >> >> On Wed, May 20, 2020 at 2:12 PM 'Steven Johnson' via emscripten-discuss < >> [email protected]> wrote: >> >>> Halide uses the EM_CONFIG variable in its build script. >>> >>> The reason for this is that we need to ensure that LLVM_ROOT points to >>> the specific version of LLVM being used by the rest of Halide. (Having >>> these out of sync can cause amusingly bad things to happen.) We slurp in >>> the default ~/.emscripten config file and make an altered version (with >>> LLVM_ROOT pointing to the LLVM we are using), so that we can always build >>> with the 'correct' version (ie the one that the rest of Halide is using). >>> >>> Requiring that ~/.emscripten be edited is problematic as Halide supports >>> multiple versions of LLVM at any one time (currently, v9, v10, and >>> v11/trunk), so this file would need to edited in lockstep with other things >>> in Halide to keep things in step. >>> >> >> Thanks for the heads up steven! >> >> We had another report of someone using it, so I reverted the warning for >> now. >> >> I'm hoping we can move both of you in different direction over time. >> For example, did you know that you can set the LLVM_ROOT using the >> `EM_LLVM_ROOT` environment variable? This seems more targeted and easier >> for you. Any variable that you can set from the config file can also be >> set via the environment in the form of `EM_<NAME>`. >> >> cheers, >> sam >> >> >>> >>> >>> >>> >>> On Tue, May 19, 2020 at 11:46 AM 'Sam Clegg' via emscripten-discuss < >>> [email protected]> wrote: >>> >>>> emscripten has a feature where you can avoid using a config file >>>> completely and instead pass a python literal in the EM_CONFIG >>>> environment variable or `--em-config` command line. >>>> >>>> e.g. `emcc --em-config="<python code>` >>>> >>>> As part of routine cleanup I'm hoping to be able to remove this >>>> feature and allow the code to depend on the existence of a config >>>> file on disk. >>>> >>>> I'm not imagining there are any users of this feature, and we can >>>> make it into warning a few releases to confirm this. >>>> >>>> Does anyone know of any users of this feature? >>>> >>>> cheers, >>>> sam >>>> >>>> -- >>>> 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]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/emscripten-discuss/CAL_va28seE50BNe4BKJ4cFzoQNNZPE6xbFFwDvXQSdWfiF2WAA%40mail.gmail.com >>>> <https://groups.google.com/d/msgid/emscripten-discuss/CAL_va28seE50BNe4BKJ4cFzoQNNZPE6xbFFwDvXQSdWfiF2WAA%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- >>> 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]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/emscripten-discuss/CAM%3DdnveGTKtEqGWue_qyUMjdyLdGXZbXEm8m4fhPjreRgd4tGQ%40mail.gmail.com >>> <https://groups.google.com/d/msgid/emscripten-discuss/CAM%3DdnveGTKtEqGWue_qyUMjdyLdGXZbXEm8m4fhPjreRgd4tGQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> 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]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/emscripten-discuss/CAL_va29xtsd5emac0nfmvUys84xaBdx-xMes515U1sATFPJe1w%40mail.gmail.com >> <https://groups.google.com/d/msgid/emscripten-discuss/CAL_va29xtsd5emac0nfmvUys84xaBdx-xMes515U1sATFPJe1w%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- > 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]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/emscripten-discuss/CAM%3Ddnvf79x%3DXt_CLym76VCoTeJBmpu0pw9%2BWWR0CH6ixTcjptg%40mail.gmail.com > <https://groups.google.com/d/msgid/emscripten-discuss/CAM%3Ddnvf79x%3DXt_CLym76VCoTeJBmpu0pw9%2BWWR0CH6ixTcjptg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "emscripten-discuss" group. 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