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.
56 lines
1.7 KiB
Ruby
56 lines
1.7 KiB
Ruby
require 'formula'
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class OpenBabel < Formula
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homepage 'http://www.openbabel.org'
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url 'http://sourceforge.net/projects/openbabel/files/openbabel/2.3.2/openbabel-2.3.2.tar.gz'
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sha1 'b8831a308617d1c78a790479523e43524f07d50d'
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option 'with-cairo', 'Support PNG depiction'
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option 'with-java', 'Compile Java language bindings'
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depends_on 'pkg-config' => :build
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depends_on 'cmake' => :build
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depends_on :python => :optional
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depends_on 'wxmac' => :optional
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depends_on 'cairo' => :optional
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depends_on 'eigen' if build.with?('python') || build.with?('java')
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def install
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args = %W[ -DCMAKE_INSTALL_PREFIX=#{prefix} ]
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args << "-DJAVA_BINDINGS=ON" if build.with? 'java'
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args << "-DBUILD_GUI=ON" if build.with? 'wxmac'
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args << "-DCAIRO_INCLUDE_DIRS=#{include}/cairo "\
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"-DCAIRO_LIBRARIES=#{lib}/libcairo.dylib" if build.with? 'cairo'
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python do
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args << "-DPYTHON_BINDINGS=ON"
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# For Xcode-only systems, the headers of system's python are inside of Xcode:
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args << "-DPYTHON_INCLUDE_DIR='#{python.incdir}'"
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# Cmake picks up the system's python dylib, even if we have a brewed one:
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args << "-DPYTHON_LIBRARY='#{python.libdir}/lib#{python.xy}.dylib'"
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args << "-DPYTHON_PACKAGES_PATH='#{python.site_packages}'"
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end
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args << '..'
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mkdir 'build' do
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system "cmake", *args
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system "make"
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system "make install"
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end
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python do
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python.site_packages.install lib/'openbabel.py', lib/'pybel.py', lib/'_openbabel.so'
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end
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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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Java libraries are installed to #{HOMEBREW_PREFIX}/lib so this path should be
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included in the CLASSPATH environment variable.
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EOS
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end
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end
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