pyrox.dev
1{ stdenv, fetchFromGitHub, emscriptenfastcomp, python, nodejs, closurecompiler
2, jre, binaryen, enableWasm ? true
3}:
4
5let
6 rev = "1.37.16";
7 appdir = "share/emscripten";
8in
9
10stdenv.mkDerivation {
11 name = "emscripten-${rev}";
12
13 src = fetchFromGitHub {
14 owner = "kripken";
15 repo = "emscripten";
16 sha256 = "1qyhjx5zza01vnwmj6qzxbkagxknn4kzb6gw12fqw5q8pa8fy4zy";
17 inherit rev;
18 };
19
20 buildCommand = ''
21 mkdir -p $out/${appdir}
22 cp -r $src/* $out/${appdir}
23 chmod -R +w $out/${appdir}
24 grep -rl '^#!/usr.*python' $out/${appdir} | xargs sed -i -s 's@^#!/usr.*python.*@#!${python}/bin/python@'
25 sed -i -e "s,EM_CONFIG = '~/.emscripten',EM_CONFIG = '$out/${appdir}/config'," $out/${appdir}/tools/shared.py
26 sed -i -e 's,^.*did not see a source tree above the LLVM.*$, return True,' $out/${appdir}/tools/shared.py
27 sed -i -e 's,def check_sanity(force=False):,def check_sanity(force=False):\n return,' $out/${appdir}/tools/shared.py
28 # fixes cmake support
29 sed -i -e "s/print \('emcc (Emscript.*\)/sys.stderr.write(\1); sys.stderr.flush()/g" $out/${appdir}/emcc.py
30 mkdir $out/bin
31 ln -s $out/${appdir}/{em++,em-config,emar,embuilder.py,emcc,emcmake,emconfigure,emlink.py,emmake,emranlib,emrun,emscons} $out/bin
32
33 echo "EMSCRIPTEN_ROOT = '$out/${appdir}'" > $out/${appdir}/config
34 echo "LLVM_ROOT = '${emscriptenfastcomp}/bin'" >> $out/${appdir}/config
35 echo "PYTHON = '${python}/bin/python'" >> $out/${appdir}/config
36 echo "NODE_JS = '${nodejs}/bin/node'" >> $out/${appdir}/config
37 echo "JS_ENGINES = [NODE_JS]" >> $out/${appdir}/config
38 echo "COMPILER_ENGINE = NODE_JS" >> $out/${appdir}/config
39 echo "CLOSURE_COMPILER = '${closurecompiler}/share/java/closure-compiler-v${closurecompiler.version}.jar'" >> $out/${appdir}/config
40 echo "JAVA = '${jre}/bin/java'" >> $out/${appdir}/config
41 ''
42 + stdenv.lib.optionalString enableWasm ''
43 echo "BINARYEN_ROOT = '${binaryen}'" >> $out/share/emscripten/config
44 '';
45
46 meta = with stdenv.lib; {
47 homepage = https://github.com/kripken/emscripten;
48 description = "An LLVM-to-JavaScript Compiler";
49 platforms = platforms.all;
50 maintainers = with maintainers; [ qknight matthewbauer ];
51 license = licenses.ncsa;
52 };
53}