homebrew-core/Formula/emacs.rb
2013-09-30 22:49:52 -07:00

128 lines
3.8 KiB
Ruby

require 'formula'
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'
skip_clean 'share/info' # Keep the docs
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 (faster) 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 'pkg-config' => :build
depends_on :x11 if build.include? "with-x"
depends_on 'gnutls' => :optional
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 blow 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.with? 'gnutls'
args << '--with-gnutls'
else
args << '--without-gnutls'
end
# 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"
# 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"
system "make install"
prefix.install "nextstep/Emacs.app"
# 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
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"
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
return s
end
end