tjh.dev
1{ stdenv, fetchgit, emscriptenfastcomp, python, nodejs, closurecompiler, jre }:
2
3let
4 tag = "1.35.4";
5 appdir = "share/emscripten";
6in
7
8stdenv.mkDerivation rec {
9 name = "emscripten-${tag}";
10
11 src = fetchgit {
12 url = git://github.com/kripken/emscripten;
13 rev = "refs/tags/${tag}";
14 sha256 = "466500356c8c0fbcee495b2dbd2ccf0bf9d7eaf303d274ebaf491122759dd233";
15 };
16
17 buildCommand = ''
18 mkdir -p $out/${appdir}
19 cp -r $src/* $out/${appdir}
20 chmod -R +w $out/${appdir}
21 grep -rl '^#!/usr.*python' $out/${appdir} | xargs sed -i -s 's@^#!/usr.*python.*@#!${python}/bin/python@'
22 sed -i -e "s,EM_CONFIG = '~/.emscripten',EM_CONFIG = '$out/${appdir}/config'," $out/${appdir}/tools/shared.py
23 sed -i -e 's,^.*did not see a source tree above the LLVM.*$, return True,' $out/${appdir}/tools/shared.py
24 sed -i -e 's,def check_sanity(force=False):,def check_sanity(force=False):\n return,' $out/${appdir}/tools/shared.py
25 mkdir $out/bin
26 ln -s $out/${appdir}/{em++,em-config,emar,embuilder.py,emcc,emcmake,emconfigure,emlink.py,emmake,emranlib,emrun,emscons} $out/bin
27
28 echo "EMSCRIPTEN_ROOT = '$out/${appdir}'" > $out/${appdir}/config
29 echo "LLVM_ROOT = '${emscriptenfastcomp}'" >> $out/${appdir}/config
30 echo "PYTHON = '${python}/bin/python'" >> $out/${appdir}/config
31 echo "NODE_JS = '${nodejs}/bin/node'" >> $out/${appdir}/config
32 echo "JS_ENGINES = [NODE_JS]" >> $out/${appdir}/config
33 echo "COMPILER_ENGINE = NODE_JS" >> $out/${appdir}/config
34 echo "CLOSURE_COMPILER = '${closurecompiler}/share/java/compiler.jar'" >> $out/${appdir}/config
35 echo "JAVA = '${jre}/bin/java'" >> $out/${appdir}/config
36 '';
37 meta = with stdenv.lib; {
38 homepage = https://github.com/kripken/emscripten;
39 description = "An LLVM-to-JavaScript Compiler";
40 platforms = platforms.all;
41 maintainers = with maintainers; [ bosu ];
42 license = licenses.ncsa;
43 };
44}