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class Emscripten < Formula
homepage "https://kripken.github.io/emscripten-site/"
url "https://github.com/kripken/emscripten/archive/1.29.6.tar.gz"
sha1 "fa8fe3c844b7b1f9b4afd928c2f6f083843be69b"
bottle do
sha1 "f73edf45833d349803c37f911eb3be78a8053a5c" => :yosemite
sha1 "d5c0dc65320975927bffe7bd38c59d6a07ae4f9b" => :mavericks
sha1 "50318165485dda92de1fea4ccbacc627a4762264" => :mountain_lion
end
head do
url "https://github.com/kripken/emscripten.git", :branch => "incoming"
resource "fastcomp" do
url "https://github.com/kripken/emscripten-fastcomp.git", :branch => "incoming"
end
resource "fastcomp-clang" do
url "https://github.com/kripken/emscripten-fastcomp-clang.git", :branch => "incoming"
end
end
stable do
resource "fastcomp" do
url "https://github.com/kripken/emscripten-fastcomp/archive/1.29.6.tar.gz"
sha1 "e4243795347b641367c330867a097c0616f2553e"
end
resource "fastcomp-clang" do
url "https://github.com/kripken/emscripten-fastcomp-clang/archive/1.29.6.tar.gz"
sha1 "c1f61a952898f199a024a550a520abf1babe4aff"
end
end
needs :cxx11
depends_on :python if MacOS.version <= :snow_leopard
depends_on "node"
depends_on "closure-compiler" => :optional
depends_on "yuicompressor"
def install
ENV.cxx11
# OSX doesn't provide a "python2" binary so use "python" instead.
python2_shebangs = `grep --recursive --files-with-matches ^#!/usr/bin/.*python2$ #{buildpath}`
python2_shebang_files = python2_shebangs.lines.sort.uniq
python2_shebang_files.map! {|f| Pathname(f.chomp)}
python2_shebang_files.reject! &:symlink?
inreplace python2_shebang_files, %r{^(#!/usr/bin/.*python)2$}, "\\1"
# All files from the repository are required as emscripten is a collection
# of scripts which need to be installed in the same layout as in the Git
# repository.
libexec.install Dir["*"]
(buildpath/"fastcomp").install resource("fastcomp")
(buildpath/"fastcomp/tools/clang").install resource("fastcomp-clang")
args = [
"--prefix=#{libexec}/llvm",
"--enable-optimized",
"--enable-targets=host,js",
"--disable-assertions",
"--disable-bindings",
]
cd "fastcomp" do
system "./configure", *args
system "make"
system "make", "install"
end
%w(em++ em-config emar emcc emcmake emconfigure emlink.py emmake
emranlib emrun emscons).each do |emscript|
bin.install_symlink libexec/emscript
end
end
test do
system "#{libexec}/llvm/bin/llvm-config", "--version"
end
def caveats; <<-EOS.undent
Manually set LLVM_ROOT to
#{opt_libexec}/llvm/bin
in ~/.emscripten after running `emcc` for the first time.
EOS
end
end
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