f6e80bdea2
New `depends_on :python` Dependency.
New `depends_on :python3` Dependency.
To avoid having multiple formulae with endings -py2 and -py3,
we will handle support for different pythons (2.x vs. 3.x)
in the same formula.
Further brewed vs. external python will be transparently supported.
The formula also gets a new object `python`, which is false if
no Python is available or the user has disabled it. Otherwise
it is defined and provides several support methods:
python.site_packages # the site-packages in the formula's Cellar
python.global_site_packages
python.binary # the full path to the python binary
python.prefix
python.version
python.version.major
python.version.minor
python.xy # => e.g. "python2.7"
python.incdir # includes of python
python.libdir # the python dylib library
python.pkg_config_path # used internally by brew
python.from_osx?
python.framework?
python.universal?
python.pypy?
python.standard_caveats # Text to set PYTHONPATH for python.from_osx?
python.if3then3 # => "" for 2.x and to "3" for 3.x.
Further, to avoid code duplication, `python` takes an optional
block that is run twice if the formula defines depends_on
:python AND :python3.
python do
system python, 'setup.py', "--prefix=#{prefix}"
end
Read more in the Homebrew wiki.
120 lines
3.4 KiB
Ruby
120 lines
3.4 KiB
Ruby
require 'formula'
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class Clang < Formula
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homepage 'http://llvm.org/'
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url 'http://llvm.org/releases/3.2/clang-3.2.src.tar.gz'
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sha1 'b0515298c4088aa294edc08806bd671f8819f870'
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head 'http://llvm.org/git/clang.git'
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end
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class CompilerRt < Formula
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homepage 'http://llvm.org/'
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url 'http://llvm.org/releases/3.2/compiler-rt-3.2.src.tar.gz'
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sha1 '718c0249a00e928f8bba32c84771da998ea4d42f'
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head 'http://llvm.org/git/compiler-rt.git'
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end
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class Llvm < Formula
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homepage 'http://llvm.org/'
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url 'http://llvm.org/releases/3.2/llvm-3.2.src.tar.gz'
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sha1 '42d139ab4c9f0c539c60f5ac07486e9d30fc1280'
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head 'http://llvm.org/git/llvm.git'
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bottle do
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revision 1
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sha1 '2908621be867da84962d2e4b8d6a083bd6bf4995' => :mountain_lion
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sha1 '91dfa26392b9699750a04fa934ee8ec9dc98407a' => :lion
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sha1 '259f39608d50dd3aba0eb3ff28b603d795af9eac' => :snow_leopard
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end
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option :universal
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option 'with-clang', 'Build Clang C/ObjC/C++ frontend'
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option 'with-asan', 'Include support for -faddress-sanitizer (from compiler-rt)'
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option 'disable-shared', "Don't build LLVM as a shared library"
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option 'all-targets', 'Build all target backends'
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option 'rtti', 'Build with C++ RTTI'
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option 'disable-assertions', 'Speeds up LLVM, but provides less debug information'
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depends_on :python => :recommended
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env :std if build.universal?
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def install
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if build.with? 'python' and build.include? 'disable-shared'
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raise 'The Python bindings need the shared library.'
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end
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Clang.new("clang").brew do
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clang_dir.install Dir['*']
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end if build.include? 'with-clang'
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CompilerRt.new("compiler-rt").brew do
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(buildpath/'projects/compiler-rt').install Dir['*']
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end if build.include? 'with-asan'
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if build.universal?
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ENV['UNIVERSAL'] = '1'
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ENV['UNIVERSAL_ARCH'] = 'i386 x86_64'
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end
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ENV['REQUIRES_RTTI'] = '1' if build.include? 'rtti'
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args = [
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"--prefix=#{prefix}",
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"--enable-optimized",
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# As of LLVM 3.1, attempting to build ocaml bindings with Homebrew's
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# OCaml 3.12.1 results in errors.
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"--disable-bindings",
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]
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if build.include? 'all-targets'
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args << "--enable-targets=all"
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else
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args << "--enable-targets=host"
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end
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args << "--enable-shared" unless build.include? 'disable-shared'
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args << "--disable-assertions" if build.include? 'disable-assertions'
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system "./configure", *args
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system "make install"
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# install llvm python bindings
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if python
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unless build.head?
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inreplace buildpath/'bindings/python/llvm/common.py', 'LLVM-3.1svn', "libLLVM-#{version}svn"
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end
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python.site_packages.install buildpath/'bindings/python/llvm'
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end
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# install clang tools and bindings
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cd clang_dir do
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system 'make install'
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(share/'clang/tools').install 'tools/scan-build', 'tools/scan-view'
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python.site_packages.install 'bindings/python/clang' if python
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end if build.include? 'with-clang'
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end
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def test
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system "#{bin}/llvm-config", "--version"
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end
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def caveats
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s = ''
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s += python.standard_caveats if python
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s += <<-EOS.undent
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Extra tools are installed in #{share}/llvm and #{share}/clang.
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If you already have LLVM installed, then "brew upgrade llvm" might not work.
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Instead, try:
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brew rm llvm && brew install llvm
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EOS
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end
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def clang_dir
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buildpath/'tools/clang'
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end
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end
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