require 'formula' class Emacs < Formula homepage 'http://www.gnu.org/software/emacs/' url 'http://ftpmirror.gnu.org/emacs/emacs-24.1.tar.bz2' mirror 'http://ftp.gnu.org/pub/gnu/emacs/emacs-24.1.tar.bz2' sha1 'ab22d5bf2072d04faa4aebf819fef3dfe44aacca' if ARGV.include? "--use-git-head" head 'http://git.sv.gnu.org/r/emacs.git' else head 'bzr://http://bzr.savannah.gnu.org/r/emacs/trunk' end # Stripping on Xcode 4 causes malformed object errors. # Just skip everything. skip_clean :all fails_with :llvm do build 2334 cause "Duplicate symbol errors while linking." end def options [ ["--cocoa", "Build a Cocoa version of emacs"], ["--srgb", "Enable sRGB colors in the Cocoa version of emacs"], ["--with-x", "Include X11 support"], ["--use-git-head", "Use Savannah git mirror for HEAD builds"], ] end def patches if ARGV.include? "--cocoa" # Fullscreen patch, works against 23.3 and HEAD. "https://raw.github.com/gist/1746342/702dfe9e2dd79fddd536aa90d561efdeec2ba716" end end def install # HEAD builds are currently blowing up when built in parallel # as of April 20 2012 ENV.j1 if ARGV.build_head? args = ["--prefix=#{prefix}", "--without-dbus", "--enable-locallisppath=#{HOMEBREW_PREFIX}/share/emacs/site-lisp", "--infodir=#{info}/emacs"] if ARGV.build_head? and File.exists? "./autogen/copy_autogen" opoo "Using copy_autogen" puts "See https://github.com/mxcl/homebrew/issues/4852" system "autogen/copy_autogen" end if ARGV.include? "--cocoa" # Patch for color issues described here: # http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8402 if ARGV.include? "--srgb" inreplace "src/nsterm.m", "*col = [NSColor colorWithCalibratedRed: r green: g blue: b alpha: 1.0];", "*col = [NSColor colorWithDeviceRed: r green: g blue: b alpha: 1.0];" end args << "--with-ns" << "--disable-ns-self-contained" system "./configure", *args system "make bootstrap" system "make install" prefix.install "nextstep/Emacs.app" else if ARGV.include? "--with-x" ENV.x11 # These libs are not specified in xft's .pc. See: # https://trac.macports.org/browser/trunk/dports/editors/emacs/Portfile#L74 # https://github.com/mxcl/homebrew/issues/8156 ENV.append 'LDFLAGS', '-lfreetype -lfontconfig' args << "--with-x" args << "--with-gif=no" << "--with-tiff=no" << "--with-jpeg=no" else args << "--without-x" end system "./configure", *args system "make" system "make install" end end def caveats s = "" if ARGV.include? "--cocoa" s += <<-EOS.undent Emacs.app was installed to: #{prefix} Command-line emacs can be used by setting up an alias: alias emacs="#{prefix}/Emacs.app/Contents/MacOS/Emacs -nw" To link the application to a normal Mac OS X location: brew linkapps or: ln -s #{prefix}/Emacs.app /Applications EOS end s += <<-EOS.undent Because the official bazaar repository might be slow, we include an option for pulling HEAD from an unofficial Git mirror: brew install emacs --HEAD --use-git-head There is inevitably some lag between checkins made to the official Emacs bazaar repository and their appearance on the Savannah mirror. See http://git.savannah.gnu.org/cgit/emacs.git for the mirror's status. The Emacs devs do not provide support for the git mirror, and they might reject bug reports filed with git version information. Use it at your own risk. EOS return s end end