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{ stdenv, fetchFromGitHub, emscriptenfastcomp, python, nodejs, closurecompiler
, jre, binaryen, enableWasm ? true
}:
let
rev = "1.37.16";
appdir = "share/emscripten";
in
stdenv.mkDerivation {
name = "emscripten-${rev}";
src = fetchFromGitHub {
owner = "kripken";
repo = "emscripten";
sha256 = "1qyhjx5zza01vnwmj6qzxbkagxknn4kzb6gw12fqw5q8pa8fy4zy";
inherit rev;
};
buildCommand = ''
mkdir -p $out/${appdir}
cp -r $src/* $out/${appdir}
chmod -R +w $out/${appdir}
grep -rl '^#!/usr.*python' $out/${appdir} | xargs sed -i -s 's@^#!/usr.*python.*@#!${python}/bin/python@'
sed -i -e "s,EM_CONFIG = '~/.emscripten',EM_CONFIG = '$out/${appdir}/config'," $out/${appdir}/tools/shared.py
sed -i -e 's,^.*did not see a source tree above the LLVM.*$, return True,' $out/${appdir}/tools/shared.py
sed -i -e 's,def check_sanity(force=False):,def check_sanity(force=False):\n return,' $out/${appdir}/tools/shared.py
# fixes cmake support
sed -i -e "s/print \('emcc (Emscript.*\)/sys.stderr.write(\1); sys.stderr.flush()/g" $out/${appdir}/emcc.py
mkdir $out/bin
ln -s $out/${appdir}/{em++,em-config,emar,embuilder.py,emcc,emcmake,emconfigure,emlink.py,emmake,emranlib,emrun,emscons} $out/bin
echo "EMSCRIPTEN_ROOT = '$out/${appdir}'" > $out/${appdir}/config
echo "LLVM_ROOT = '${emscriptenfastcomp}/bin'" >> $out/${appdir}/config
echo "PYTHON = '${python}/bin/python'" >> $out/${appdir}/config
echo "NODE_JS = '${nodejs}/bin/node'" >> $out/${appdir}/config
echo "JS_ENGINES = [NODE_JS]" >> $out/${appdir}/config
echo "COMPILER_ENGINE = NODE_JS" >> $out/${appdir}/config
echo "CLOSURE_COMPILER = '${closurecompiler}/share/java/closure-compiler-v${closurecompiler.version}.jar'" >> $out/${appdir}/config
echo "JAVA = '${jre}/bin/java'" >> $out/${appdir}/config
''
+ stdenv.lib.optionalString enableWasm ''
echo "BINARYEN_ROOT = '${binaryen}'" >> $out/share/emscripten/config
'';
meta = with stdenv.lib; {
homepage = https://github.com/kripken/emscripten;
description = "An LLVM-to-JavaScript Compiler";
platforms = platforms.all;
maintainers = with maintainers; [ qknight matthewbauer ];
license = licenses.ncsa;
};
}
|