homebrew-core/Formula/ffmpeg.rb
2012-01-05 21:17:16 -06:00

108 lines
3.3 KiB
Ruby

require 'formula'
def ffplay?
ARGV.include? '--with-ffplay'
end
class Ffmpeg < Formula
url 'http://ffmpeg.org/releases/ffmpeg-0.9.tar.bz2'
homepage 'http://ffmpeg.org/'
sha1 '5f4118496ebe8fc37e8f11cf0303f6f7c85756f9'
head 'git://git.videolan.org/ffmpeg.git'
fails_with_llvm 'Undefined symbols when linking libavfilter'
def options
[
["--with-tools", "Install additional FFmpeg tools."],
["--with-ffplay", "Build ffplay."]
]
end
depends_on 'yasm' => :build
depends_on 'x264' => :optional
depends_on 'faac' => :optional
depends_on 'lame' => :optional
depends_on 'theora' => :optional
depends_on 'libvorbis' => :optional
depends_on 'libogg' => :optional
depends_on 'libvpx' => :optional
depends_on 'xvid' => :optional
depends_on 'sdl' if ffplay?
def install
ENV.x11
args = ["--prefix=#{prefix}",
"--enable-shared",
"--enable-gpl",
"--enable-version3",
"--enable-nonfree",
"--enable-hardcoded-tables",
"--enable-libfreetype",
"--cc=#{ENV.cc}"]
args << "--enable-libx264" if Formula.factory('x264').installed?
args << "--enable-libfaac" if Formula.factory('faac').installed?
args << "--enable-libmp3lame" if Formula.factory('lame').installed?
args << "--enable-libtheora" if Formula.factory('theora').installed?
args << "--enable-libvorbis" if Formula.factory('libvorbis').installed?
args << "--enable-libvpx" if Formula.factory('libvpx').installed?
args << "--enable-libxvid" if Formula.factory('xvid').installed?
args << "--disable-ffplay" unless ffplay?
# For 32-bit compilation under gcc 4.2, see:
# http://trac.macports.org/ticket/20938#comment:22
if MacOS.leopard? or Hardware.is_32_bit?
ENV.append_to_cflags "-mdynamic-no-pic"
end
system "./configure", *args
if MacOS.prefer_64_bit?
inreplace 'config.mak' do |s|
shflags = s.get_make_var 'SHFLAGS'
if shflags.gsub!(' -Wl,-read_only_relocs,suppress', '')
s.change_make_var! 'SHFLAGS', shflags
end
end
end
write_version_file if ARGV.build_head?
system "make install"
if ARGV.include? "--with-tools"
system "make alltools"
bin.install Dir['tools/*'].select {|f| File.executable? f}
end
end
# Makefile expects to run in git repo and generate a version number
# with 'git describe' command (see version.sh) but Homebrew build
# runs in temp copy created via git checkout-index, so 'git describe'
# does not work. Work around by writing VERSION file in build directory
# to be picked up by version.sh. Note that VERSION file will already
# exist in release versions, so this only applies to git HEAD builds.
def write_version_file
return if File.exists?("VERSION")
git_tag = "UNKNOWN"
Dir.chdir(cached_download) do
ver = `./version.sh`.chomp
if not $?.success? or ver == "UNKNOWN"
# fall back to git
ver = `git describe --tags --match N --always`.chomp
if not $?.success?
opoo "Could not determine build version from git repository - set to #{git_tag}"
else
git_tag = "git-#{ver}"
end
else
git_tag = ver
end
end
File.open("VERSION","w") {|f| f.puts git_tag}
end
end