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require 'formula'
class EmacsMac < Formula
url 'ftp://ftp.math.s.chiba-u.ac.jp/emacs/emacs-24.3-mac-4.2.tar.gz'
sha256 '9288d3f1667a6e7ca9f8693b9c8470af7e50030303441decf5c8cd962f6f3213'
end
class Emacs < Formula
homepage 'http://www.gnu.org/software/emacs/'
url 'http://ftpmirror.gnu.org/emacs/emacs-24.3.tar.gz'
mirror 'http://ftp.gnu.org/pub/gnu/emacs/emacs-24.3.tar.gz'
sha256 '0098ca3204813d69cd8412045ba33e8701fa2062f4bff56bedafc064979eef41'
option "mac", "Build Mac port version of Emacs by Yamamoto Mitsaharu"
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"
option "keep-ctags", "Don't remove the ctags executable that emacs provides"
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
if build.head? or build.include? "cocoa"
depends_on :autoconf
depends_on :automake
end
depends_on :x11 if build.include? "with-x"
fails_with :llvm do
build 2334
cause "Duplicate symbol errors while linking."
end
# Follow MacPorts and don't install ctags from Emacs. This allows Vim
# and Emacs and ctags to play together without violence.
def do_not_install_ctags
unless build.include? "keep-ctags"
(bin/"ctags").unlink
(share/man/man1/"ctags.1.gz").unlink
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"]
# See: https://github.com/mxcl/homebrew/issues/4852
if build.head? and File.exists? "./autogen/copy_autogen"
system "autogen/copy_autogen"
end
if build.include? "cocoa" or build.include? "mac"
# Patch for color issues described here:
# http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8402
if build.include? "cocoa"
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"
end
if build.include? "mac"
pwd = Dir.pwd
EmacsMac.new.brew {
cp_r Dir["mac"], "#{pwd}/"
cp Dir["src/*"], "#{pwd}/src/"
cp Dir["lisp/term/mac-win.el"], "#{pwd}/lisp/term/"
cp "patch-mac", "#{pwd}/"
}
safe_system '/usr/bin/patch', '-p0', '-i', 'patch-mac'
args << "--with-mac" << "--enable-mac-app=#{prefix}"
end
system "./configure", *args
system "make"
system "make install"
if build.include? "cocoa"
prefix.install "nextstep/Emacs.app"
end
# Don't cause ctags clash.
do_not_install_ctags
# 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"
# Don't cause ctags clash.
do_not_install_ctags
end
end
def caveats
s = ""
if build.include? "cocoa" or build.include? "mac"
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:
#{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.
Emacs creates an executable `ctags` that stomps on exuberant-ctags. In
order to prevent that, we remove `ctags` and its manpage from the emacs
build before linking. (Add the flag "--keep-ctags" to keep it.) You can
install exuberant-ctags via brew with `brew install ctags`.
(exuberant-ctags can provide both vim-style and emacs-style tags.)
EOS
return s
end
end
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