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require 'formula'
class Emacs < Formula
homepage 'http://www.gnu.org/software/emacs/'
url 'http://ftpmirror.gnu.org/emacs/emacs-24.2.tar.bz2'
mirror 'http://ftp.gnu.org/pub/gnu/emacs/emacs-24.2.tar.bz2'
sha1 '38e8fbc9573b70a123358b155cf55c274b5a56cf'
option "cocoa", "Build a Cocoa version of emacs"
option "srgb", "Enable sRGB colors in the Cocoa version of emacs"
option "with-x", "Include X11 support"
option "use-git-head", "Use Savannah git mirror for HEAD builds"
if build.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
depends_on :x11 if build.include? "with-x"
fails_with :llvm do
build 2334
cause "Duplicate symbol errors while linking."
end
def patches
if build.include? "cocoa"
# Fullscreen patch, works against 24.2 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 build.head?
args = ["--prefix=#{prefix}",
"--without-dbus",
"--enable-locallisppath=#{HOMEBREW_PREFIX}/share/emacs/site-lisp",
"--infodir=#{info}/emacs"]
if 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 build.include? "cocoa"
# Patch for color issues described here:
# http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8402
if build.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"
# Replace the symlink with one that avoids starting Cocoa.
(bin/"emacs").unlink # Kill the existing symlink
(bin/"emacs").write <<-EOS.undent
#!/bin/bash
#{prefix}/Emacs.app/Contents/MacOS/Emacs -nw "$@"
EOS
(bin/"emacs").chmod 0755
else
if build.include? "with-x"
# 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 build.include? "cocoa"
s += <<-EOS.undent
Emacs.app was installed to:
#{prefix}
To link the application to a normal Mac OS X location:
brew linkapps
or:
ln -s #{prefix}/Emacs.app /Applications
A command line wrapper for the cocoa app was installed to:
#{prefix}/bin/emacs
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
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