140 lines
4.5 KiB
Ruby
140 lines
4.5 KiB
Ruby
require 'formula'
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class Emacs < Formula
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homepage 'http://www.gnu.org/software/emacs/'
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url 'http://ftpmirror.gnu.org/emacs/emacs-24.3.tar.gz'
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mirror 'http://ftp.gnu.org/pub/gnu/emacs/emacs-24.3.tar.gz'
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sha256 '0098ca3204813d69cd8412045ba33e8701fa2062f4bff56bedafc064979eef41'
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option "cocoa", "Build a Cocoa version of emacs"
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option "srgb", "Enable sRGB colors in the Cocoa version of emacs"
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option "with-x", "Include X11 support"
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option "use-git-head", "Use Savannah git mirror for HEAD builds"
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option "keep-ctags", "Don't remove the ctags executable that emacs provides"
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if build.include? "use-git-head"
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head 'http://git.sv.gnu.org/r/emacs.git'
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else
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head 'bzr://http://bzr.savannah.gnu.org/r/emacs/trunk'
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end
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if build.head? or build.include? "cocoa"
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depends_on :autoconf
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depends_on :automake
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end
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depends_on :x11 if build.include? "with-x"
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fails_with :llvm do
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build 2334
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cause "Duplicate symbol errors while linking."
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end
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# Follow MacPorts and don't install ctags from Emacs. This allows Vim
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# and Emacs and ctags to play together without violence.
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def do_not_install_ctags
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unless build.include? "keep-ctags"
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(bin/"ctags").unlink
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(share/man/man1/"ctags.1.gz").unlink
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end
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end
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def install
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# HEAD builds are currently blowing up when built in parallel
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# as of April 20 2012
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ENV.j1 if build.head?
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args = ["--prefix=#{prefix}",
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"--without-dbus",
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"--enable-locallisppath=#{HOMEBREW_PREFIX}/share/emacs/site-lisp",
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"--infodir=#{info}/emacs"]
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# See: https://github.com/mxcl/homebrew/issues/4852
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if build.head? and File.exists? "./autogen/copy_autogen"
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system "autogen/copy_autogen"
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end
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if build.include? "cocoa"
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# Patch for color issues described here:
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# http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8402
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if build.include? "srgb"
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inreplace "src/nsterm.m",
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"*col = [NSColor colorWithCalibratedRed: r green: g blue: b alpha: 1.0];",
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"*col = [NSColor colorWithDeviceRed: r green: g blue: b alpha: 1.0];"
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end
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args << "--with-ns" << "--disable-ns-self-contained"
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system "./configure", *args
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system "make"
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system "make install"
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prefix.install "nextstep/Emacs.app"
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# Don't cause ctags clash.
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do_not_install_ctags
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# Replace the symlink with one that avoids starting Cocoa.
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(bin/"emacs").unlink # Kill the existing symlink
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(bin/"emacs").write <<-EOS.undent
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#!/bin/bash
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#{prefix}/Emacs.app/Contents/MacOS/Emacs -nw "$@"
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EOS
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(bin/"emacs").chmod 0755
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else
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if build.include? "with-x"
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# These libs are not specified in xft's .pc. See:
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# https://trac.macports.org/browser/trunk/dports/editors/emacs/Portfile#L74
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# https://github.com/mxcl/homebrew/issues/8156
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ENV.append 'LDFLAGS', '-lfreetype -lfontconfig'
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args << "--with-x"
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args << "--with-gif=no" << "--with-tiff=no" << "--with-jpeg=no"
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else
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args << "--without-x"
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end
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system "./configure", *args
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system "make"
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system "make install"
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# Don't cause ctags clash.
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do_not_install_ctags
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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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if build.include? "cocoa"
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s += <<-EOS.undent
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Emacs.app was installed to:
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#{prefix}
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To link the application to a normal Mac OS X location:
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brew linkapps
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or:
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ln -s #{prefix}/Emacs.app /Applications
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A command line wrapper for the cocoa app was installed to:
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#{bin}/emacs
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EOS
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end
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s += <<-EOS.undent
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Because the official bazaar repository might be slow, we include an option for
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pulling HEAD from an unofficial Git mirror:
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brew install emacs --HEAD --use-git-head
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There is inevitably some lag between checkins made to the official Emacs bazaar
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repository and their appearance on the Savannah mirror. See
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http://git.savannah.gnu.org/cgit/emacs.git for the mirror's status. The Emacs
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devs do not provide support for the git mirror, and they might reject bug
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reports filed with git version information. Use it at your own risk.
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Emacs creates an executable `ctags` that stomps on exuberant-ctags. In
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order to prevent that, we remove `ctags` and its manpage from the emacs
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build before linking. (Add the flag "--keep-ctags" to keep it.) You can
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install exuberant-ctags via brew with `brew install ctags`.
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(exuberant-ctags can provide both vim-style and emacs-style tags.)
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EOS
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return s
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end
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end
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