2021-01-22 11:25:31 +00:00
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{ lib, stdenv, fetchFromGitHub, python3, nodejs, closurecompiler
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2020-08-28 18:19:50 +00:00
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, jre, binaryen
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2021-08-07 07:45:26 +00:00
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, llvmPackages
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2023-06-02 16:28:40 +00:00
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, symlinkJoin, makeWrapper, substituteAll
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2022-12-14 02:24:38 +00:00
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, buildNpmPackage
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2023-01-03 21:45:05 +00:00
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, emscripten
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2017-06-04 03:50:51 +00:00
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}:
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2014-07-12 15:17:50 +00:00
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2020-08-28 18:19:50 +00:00
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stdenv.mkDerivation rec {
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pname = "emscripten";
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2023-06-28 19:40:17 +00:00
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version = "3.1.42";
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2014-07-12 15:17:50 +00:00
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2020-08-28 18:19:50 +00:00
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llvmEnv = symlinkJoin {
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name = "emscripten-llvm-${version}";
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2021-08-07 07:45:26 +00:00
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paths = with llvmPackages; [ clang-unwrapped clang-unwrapped.lib lld llvm ];
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2020-08-28 18:19:50 +00:00
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};
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2014-07-12 15:17:50 +00:00
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2022-12-14 02:24:38 +00:00
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nodeModules = buildNpmPackage {
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2020-08-29 09:04:30 +00:00
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name = "emscripten-node-modules-${version}";
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2022-12-14 02:24:38 +00:00
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inherit pname version src;
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2023-06-02 16:28:40 +00:00
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npmDepsHash = "sha256-QlKm6UvPUa7+VJ9ZvXdxYZzK+U96Ju/oAHPhZ/hyv/I=";
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2022-12-14 02:24:38 +00:00
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dontBuild = true;
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# Copy node_modules directly.
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installPhase = ''
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cp -r node_modules $out/
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'';
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2020-08-29 09:04:30 +00:00
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};
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2016-05-27 00:05:07 +00:00
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src = fetchFromGitHub {
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2019-02-25 12:13:55 +00:00
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owner = "emscripten-core";
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2016-05-27 00:05:07 +00:00
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repo = "emscripten";
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2023-06-28 19:40:17 +00:00
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hash = "sha256-elp/LPd9SAuVZy42Wkgb6pCbPi2GnETTfyRJqU92S0E=";
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2020-08-28 18:19:50 +00:00
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rev = version;
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2014-07-12 15:17:50 +00:00
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};
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2020-08-28 18:19:50 +00:00
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nativeBuildInputs = [ makeWrapper ];
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buildInputs = [ nodejs python3 ];
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2021-08-07 07:45:26 +00:00
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patches = [
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(substituteAll {
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src = ./0001-emulate-clang-sysroot-include-logic.patch;
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2023-06-02 16:28:40 +00:00
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resourceDir = "${llvmEnv}/lib/clang/16/";
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2023-01-05 03:24:16 +00:00
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})
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2021-08-07 07:45:26 +00:00
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];
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2020-08-28 18:19:50 +00:00
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buildPhase = ''
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2021-08-07 07:45:26 +00:00
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runHook preBuild
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2020-08-28 18:19:50 +00:00
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patchShebangs .
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2020-08-29 10:51:38 +00:00
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2017-01-02 13:26:20 +00:00
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# fixes cmake support
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2020-08-28 18:19:50 +00:00
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sed -i -e "s/print \('emcc (Emscript.*\)/sys.stderr.write(\1); sys.stderr.flush()/g" emcc.py
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2014-07-12 15:17:50 +00:00
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2020-08-29 10:51:38 +00:00
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# disables cache in user home, use installation directory instead
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2021-08-07 07:45:26 +00:00
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sed -i '/^def/!s/root_is_writable()/True/' tools/config.py
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2020-08-29 10:51:38 +00:00
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sed -i "/^def check_sanity/a\\ return" tools/shared.py
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2021-07-20 07:45:04 +00:00
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echo "EMSCRIPTEN_ROOT = '$out/share/emscripten'" > .emscripten
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2020-08-28 18:19:50 +00:00
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echo "LLVM_ROOT = '${llvmEnv}/bin'" >> .emscripten
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echo "NODE_JS = '${nodejs}/bin/node'" >> .emscripten
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echo "JS_ENGINES = [NODE_JS]" >> .emscripten
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2020-08-29 10:51:38 +00:00
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echo "CLOSURE_COMPILER = ['${closurecompiler}/bin/closure-compiler']" >> .emscripten
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2020-08-28 18:19:50 +00:00
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echo "JAVA = '${jre}/bin/java'" >> .emscripten
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2018-03-18 12:34:46 +00:00
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# to make the test(s) below work
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2020-08-29 10:51:38 +00:00
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# echo "SPIDERMONKEY_ENGINE = []" >> .emscripten
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2020-08-28 18:19:50 +00:00
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echo "BINARYEN_ROOT = '${binaryen}'" >> .emscripten
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2020-08-29 11:28:02 +00:00
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# make emconfigure/emcmake use the correct (wrapped) binaries
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sed -i "s|^EMCC =.*|EMCC='$out/bin/emcc'|" tools/shared.py
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sed -i "s|^EMXX =.*|EMXX='$out/bin/em++'|" tools/shared.py
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sed -i "s|^EMAR =.*|EMAR='$out/bin/emar'|" tools/shared.py
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sed -i "s|^EMRANLIB =.*|EMRANLIB='$out/bin/emranlib'|" tools/shared.py
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2020-08-29 12:14:20 +00:00
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2021-08-07 07:45:26 +00:00
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runHook postBuild
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2020-08-28 18:19:50 +00:00
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'';
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installPhase = ''
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2021-08-07 07:45:26 +00:00
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runHook preInstall
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2020-08-29 11:28:02 +00:00
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appdir=$out/share/emscripten
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mkdir -p $appdir
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2020-08-28 18:19:50 +00:00
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cp -r . $appdir
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chmod -R +w $appdir
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mkdir -p $out/bin
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2021-08-07 07:45:26 +00:00
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for b in em++ em-config emar embuilder.py emcc emcmake emconfigure emmake emranlib emrun emscons emsize; do
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2020-08-28 18:19:50 +00:00
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makeWrapper $appdir/$b $out/bin/$b \
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2022-12-14 02:24:38 +00:00
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--set NODE_PATH ${nodeModules} \
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2020-08-29 10:51:38 +00:00
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--set EM_EXCLUSIVE_CACHE_ACCESS 1 \
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2020-08-28 18:19:50 +00:00
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--set PYTHON ${python3}/bin/python
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done
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2018-03-18 12:34:46 +00:00
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2020-08-29 12:14:20 +00:00
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# precompile libc (etc.) in all variants:
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pushd $TMPDIR
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2023-06-02 16:28:40 +00:00
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echo 'int __main_argc_argv( int a, int b ) { return 42; }' >test.c
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2020-08-29 12:14:20 +00:00
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for LTO in -flto ""; do
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2021-08-03 18:23:29 +00:00
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for BIND in "" "--bind"; do
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2023-06-02 16:28:40 +00:00
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# starting with emscripten 3.1.32+,
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# if pthreads and relocatable are both used,
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# _emscripten_thread_exit_joinable must be exported
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# (see https://github.com/emscripten-core/emscripten/pull/18376)
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# TODO: get library cache to build with both enabled and function exported
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$out/bin/emcc $LTO $BIND test.c
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$out/bin/emcc $LTO $BIND -s RELOCATABLE test.c
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$out/bin/emcc $LTO $BIND -s USE_PTHREADS test.c
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2020-08-29 12:14:20 +00:00
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done
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done
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popd
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2020-08-28 18:19:50 +00:00
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export PYTHON=${python3}/bin/python
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2022-12-14 02:24:38 +00:00
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export NODE_PATH=${nodeModules}
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2020-08-29 10:51:38 +00:00
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pushd $appdir
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2022-12-14 02:24:38 +00:00
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python test/runner.py test_hello_world
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2020-08-29 10:51:38 +00:00
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popd
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2021-08-07 07:45:26 +00:00
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runHook postInstall
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2014-07-12 15:17:50 +00:00
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'';
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2016-05-27 00:05:13 +00:00
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2023-01-03 21:45:05 +00:00
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passthru = {
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# HACK: Make emscripten look more like a cc-wrapper to GHC
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# when building the javascript backend.
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targetPrefix = "em";
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bintools = emscripten;
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};
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2021-01-22 11:25:31 +00:00
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meta = with lib; {
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2020-04-01 01:11:51 +00:00
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homepage = "https://github.com/emscripten-core/emscripten";
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2014-07-12 15:17:50 +00:00
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description = "An LLVM-to-JavaScript Compiler";
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2015-11-21 12:33:22 +00:00
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platforms = platforms.all;
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2022-12-14 02:42:25 +00:00
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maintainers = with maintainers; [ qknight matthewbauer raitobezarius ];
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2015-05-28 17:20:29 +00:00
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license = licenses.ncsa;
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2014-07-12 15:17:50 +00:00
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};
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}
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