70 lines
2.8 KiB
Nix
70 lines
2.8 KiB
Nix
{ emscriptenVersion, stdenv, fetchFromGitHub, emscriptenfastcomp, python, nodejs, closurecompiler
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, jre, binaryen, enableWasm ? true , cmake
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}:
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let
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rev = emscriptenVersion;
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appdir = "share/emscripten";
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binaryenVersioned = binaryen.override { emscriptenRev = rev; };
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in
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stdenv.mkDerivation {
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name = "emscripten-${rev}";
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src = fetchFromGitHub {
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owner = "emscripten-core";
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repo = "emscripten";
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sha256 = "1j3f0hpy05qskaiyv75l7wv4n0nzxhrh9b296zchx3f6f9h2rghq";
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inherit rev;
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};
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buildInputs = [ nodejs cmake python ];
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buildCommand = ''
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mkdir -p $out/${appdir}
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cp -r $src/* $out/${appdir}
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chmod -R +w $out/${appdir}
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grep -rl '^#!/usr.*python' $out/${appdir} | xargs sed -i -s 's@^#!/usr.*python.*@#!${python}/bin/python@'
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sed -i -e "s,EM_CONFIG = '~/.emscripten',EM_CONFIG = '$out/${appdir}/config'," $out/${appdir}/tools/shared.py
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sed -i -e 's,^.*did not see a source tree above the LLVM.*$, return True,' $out/${appdir}/tools/shared.py
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sed -i -e 's,def check_sanity(force=False):,def check_sanity(force=False):\n return,' $out/${appdir}/tools/shared.py
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# fixes cmake support
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sed -i -e "s/print \('emcc (Emscript.*\)/sys.stderr.write(\1); sys.stderr.flush()/g" $out/${appdir}/emcc.py
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mkdir $out/bin
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ln -s $out/${appdir}/{em++,em-config,emar,embuilder.py,emcc,emcmake,emconfigure,emlink.py,emmake,emranlib,emrun,emscons} $out/bin
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echo "EMSCRIPTEN_ROOT = '$out/${appdir}'" > $out/${appdir}/config
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echo "LLVM_ROOT = '${emscriptenfastcomp}/bin'" >> $out/${appdir}/config
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echo "PYTHON = '${python}/bin/python'" >> $out/${appdir}/config
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echo "NODE_JS = '${nodejs}/bin/node'" >> $out/${appdir}/config
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echo "JS_ENGINES = [NODE_JS]" >> $out/${appdir}/config
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echo "COMPILER_ENGINE = NODE_JS" >> $out/${appdir}/config
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echo "CLOSURE_COMPILER = '${closurecompiler}/share/java/closure-compiler-v${closurecompiler.version}.jar'" >> $out/${appdir}/config
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echo "JAVA = '${jre}/bin/java'" >> $out/${appdir}/config
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# to make the test(s) below work
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echo "SPIDERMONKEY_ENGINE = []" >> $out/${appdir}/config
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''
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+ stdenv.lib.optionalString enableWasm ''
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echo "BINARYEN_ROOT = '${binaryenVersioned}'" >> $out/share/emscripten/config
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''
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+
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''
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echo "--------------- running test -----------------"
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# quick hack to get the test working
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HOME=$TMPDIR
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cp $out/${appdir}/config $HOME/.emscripten
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export PATH=$PATH:$out/bin
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#export EMCC_DEBUG=2
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${python}/bin/python $src/tests/runner.py test_hello_world
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echo "--------------- /running test -----------------"
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'';
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meta = with stdenv.lib; {
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homepage = "https://github.com/emscripten-core/emscripten";
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description = "An LLVM-to-JavaScript Compiler";
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platforms = platforms.all;
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maintainers = with maintainers; [ qknight matthewbauer ];
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license = licenses.ncsa;
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};
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}
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