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require "formula"
class Emscripten < Formula
homepage "https://kripken.github.io/emscripten-site/"
url "https://github.com/kripken/emscripten/archive/1.27.0.tar.gz"
sha1 "82feb97e78b87a159c7382b772f62fe5ba2bd0e2"
bottle do
sha1 "5d981b548c225cd4d8efc6bcc06ddd635483af28" => :yosemite
sha1 "ff71534e13b36cafd5d3fa89a7cb32a4ce6abed8" => :mavericks
sha1 "4e8831fe22a636971d59d7968c2fce704928244f" => :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/1.27.0.tar.gz"
sha1 "77343ed1206a6407bcaafb901f699d4c5d2c3c83"
end
resource "fastcomp-clang" do
url "https://github.com/kripken/emscripten-fastcomp-clang/archive/1.27.0.tar.gz"
sha1 "53a4ee4482e79117fdd6979f6e2d80d18e2c9dca"
end
end
depends_on :python if MacOS.version <= :snow_leopard
depends_on "node"
depends_on "closure-compiler" => :optional
depends_on "yuicompressor"
def install
# 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
# Fix for parsing Mac OS X version numbers >= 10.10
# https://groups.google.com/forum/#!msg/emscripten-discuss/8gb88R5eyqs/p9_82Wi2pSAJ
inreplace "Makefile.rules", '10.([0-9])', '10.([0-9]+)'
inreplace "Makefile.rules", '(10.[0-9])', '(10.[0-9]+)'
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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