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https://github.com/NixOS/nixpkgs.git
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497e50cf16
This changes the emscripten package so that it specifies the rev from the binaryen repo to use, and sets it to always use the version that has been tagged for use with that version of emscripten. This should force future updates of emscripten to also update binaryen. Binaryen can also be installed as a stand-alone package, so there's some logic added to the binaryen package to allow building in both ways, and distinguishing between them.
71 lines
2.8 KiB
Nix
71 lines
2.8 KiB
Nix
{ emscriptenVersion, stdenv, fetchFromGitHub, emscriptenfastcomp, python, nodejs, closurecompiler, pkgs
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, jre, binaryen, enableWasm ? true , python2Packages, 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 = "kripken";
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repo = "emscripten";
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sha256 = "02p0cp86vd1mydlpq544xbydggpnrq9dhbxx7h08j235frjm5cdc";
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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/kripken/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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