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require 'formula'
class Clang < Formula
homepage 'http://llvm.org/'
url 'http://llvm.org/releases/3.2/clang-3.2.src.tar.gz'
sha1 'b0515298c4088aa294edc08806bd671f8819f870'
head 'http://llvm.org/git/clang.git'
end
class CompilerRt < Formula
homepage 'http://llvm.org/'
url 'http://llvm.org/releases/3.2/compiler-rt-3.2.src.tar.gz'
sha1 '718c0249a00e928f8bba32c84771da998ea4d42f'
head 'http://llvm.org/git/compiler-rt.git'
end
class Llvm < Formula
homepage 'http://llvm.org/'
url 'http://llvm.org/releases/3.2/llvm-3.2.src.tar.gz'
sha1 '42d139ab4c9f0c539c60f5ac07486e9d30fc1280'
head 'http://llvm.org/git/llvm.git'
bottle do
revision 1
sha1 '2908621be867da84962d2e4b8d6a083bd6bf4995' => :mountain_lion
sha1 '91dfa26392b9699750a04fa934ee8ec9dc98407a' => :lion
sha1 '259f39608d50dd3aba0eb3ff28b603d795af9eac' => :snow_leopard
end
option :universal
option 'with-clang', 'Build Clang C/ObjC/C++ frontend'
option 'with-asan', 'Include support for -faddress-sanitizer (from compiler-rt)'
option 'shared', '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'
def install
if build.universal? and build.include? 'shared'
onoe "Cannot specify both shared and universal (will not build)"
exit 1
end
Clang.new("clang").brew do
clang_dir.install Dir['*']
end if build.include? 'with-clang'
CompilerRt.new("compiler-rt").brew do
(buildpath/'projects/compiler-rt').install Dir['*']
end if build.include? 'with-asan'
if build.universal?
ENV['UNIVERSAL'] = '1'
ENV['UNIVERSAL_ARCH'] = 'i386 x86_64'
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" if build.include? 'shared'
args << "--disable-assertions" if build.include? 'disable-assertions'
system "./configure", *args
system "make install"
# install llvm python bindings
(share/'llvm/bindings').install buildpath/'bindings/python'
# install clang tools and bindings
cd clang_dir do
system 'make install'
(share/'clang/tools').install 'tools/scan-build', 'tools/scan-view'
(share/'clang/bindings').install 'bindings/python'
end if build.include? 'with-clang'
end
def test
system "#{bin}/llvm-config", "--version"
end
def caveats; <<-EOS.undent
Extra tools and bindings 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
def clang_dir
buildpath/'tools/clang'
end
end
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