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require 'formula'
class Llvm < Formula
homepage 'http://llvm.org/'
url "http://llvm.org/releases/3.4.1/llvm-3.4.1.src.tar.gz"
sha1 "3711baa6f5ef9df07418ce76039fc3848a7bde7c"
bottle do
sha1 "92dc1d8793000d05c8321b2791b6b1d7321a83c3" => :mavericks
sha1 "a46bd08a60fd7ae17a21476bbb810510b58d492a" => :mountain_lion
sha1 "4dfc0268acc552bd62b2954ac3829802b25a5a46" => :lion
end
resource 'clang' do
url "http://llvm.org/releases/3.4.1/cfe-3.4.1.src.tar.gz"
sha1 "ecd38fa89e837e6cb8305b8d05e88baecb0bda55"
end
option :universal
option 'with-clang', 'Build Clang support library'
option 'disable-shared', "Don't build LLVM as a shared library"
option 'all-targets', 'Build all target backends'
option 'rtti', 'Build with C++ RTTI'
option 'disable-assertions', 'Speeds up LLVM, but provides less debug information'
depends_on :python => :optional
keg_only :provided_by_osx
def install
if build.with? "python" and build.include? 'disable-shared'
raise 'The Python bindings need the shared library.'
end
(buildpath/"tools/clang").install resource("clang") if build.with? "clang"
if build.universal?
ENV.permit_arch_flags
ENV['UNIVERSAL'] = '1'
ENV['UNIVERSAL_ARCH'] = Hardware::CPU.universal_archs.join(' ')
end
ENV['REQUIRES_RTTI'] = '1' if build.include? 'rtti'
args = [
"--prefix=#{prefix}",
"--enable-optimized",
# As of LLVM 3.1, attempting to build ocaml bindings with Homebrew's
# OCaml 3.12.1 results in errors.
"--disable-bindings",
]
if build.include? 'all-targets'
args << "--enable-targets=all"
else
args << "--enable-targets=host"
end
args << "--enable-shared" unless build.include? 'disable-shared'
args << "--disable-assertions" if build.include? 'disable-assertions'
system "./configure", *args
system 'make'
system 'make', 'install'
(share/'llvm/cmake').install buildpath/'cmake/modules'
# install llvm python bindings
if build.with? "python"
(lib+'python2.7/site-packages').install buildpath/'bindings/python/llvm'
(lib+'python2.7/site-packages').install buildpath/'tools/clang/bindings/python/clang' if build.with? 'clang'
end
end
test do
system "#{bin}/llvm-config", "--version"
end
def caveats
<<-EOS.undent
Extra tools are installed in #{share}/llvm and #{share}/clang.
If you already have LLVM installed, then "brew upgrade llvm" might not work.
Instead, try:
brew rm llvm && brew install llvm
EOS
end
end
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