diff --git a/flightgear b/flightgear
index c2a3d24..5ec5c34 160000
--- a/flightgear
+++ b/flightgear
@@ -1 +1 @@
-Subproject commit c2a3d24ef3c77f4c1457f69c21ef7fc5091494b8
+Subproject commit 5ec5c34255d2488d5a7b255cf9c95520eccf3ac5
diff --git a/hudson_mac_package_release.rb b/hudson_mac_package_release.rb
new file mode 100755
index 0000000..7cd2de0
--- /dev/null
+++ b/hudson_mac_package_release.rb
@@ -0,0 +1,113 @@
+#!/usr/bin/ruby
+
+require 'ERB'
+
+$osgLibs = ['osgFX', 'osgParticle', 'osg', 'osgGA', 'osgText', 'osgUtil', 'osgSim', 'osgViewer', 'osgDB']
+$osgPlugins = ['ac', 'osg', 'freetype', 'qt', 'imageio', 'rgb', 'txf', 'mdl', '3ds']
+
+def runOsgVersion(option)
+  env = "export DYLD_LIBRARY_PATH=#{Dir.pwd}/dist/lib"
+  bin = Dir.pwd + "/dist/bin/osgversion"
+  return `#{env}; #{bin} --#{option}`.chomp
+end
+
+osgVersion = runOsgVersion('version-number')
+$osgSoVersion=runOsgVersion('so-number')
+$openThreadsSoVersion=runOsgVersion('openthreads-soversion-number')
+
+puts "osgVersion=#{osgVersion}, so-number=#{$osgSoVersion}"
+
+$alutSourcePath='/Library/Frameworks/ALUT.framework'
+
+def fix_install_names(object)
+  #puts "fixing install names for #{object}"
+  
+  $osgLibs.each do |l|
+    oldName = "lib#{l}.#{$osgSoVersion}.dylib"
+    newName = "@executable_path/../Frameworks/#{oldName}"
+    `install_name_tool -change #{oldName} #{newName} #{object}`
+  end
+  
+  oldName = "libOpenThreads.#{$openThreadsSoVersion}.dylib"
+  newName= "@executable_path/../Frameworks/#{oldName}"
+  `install_name_tool -change #{oldName} #{newName} #{object}`
+  
+  alutBundlePath = "@executable_path/../Frameworks/Alut.framework"
+  alutLib = "Versions/A/ALUT"
+  `install_name_tool -change #{$alutSourcePath}/#{alutLib} #{alutBundlePath}/#{alutLib} #{object}`
+end
+
+prefixDir=Dir.pwd + "/dist"
+dmgDir=Dir.pwd + "/image"
+srcDir=Dir.pwd + "/flightgear"
+
+
+puts "Erasing previous image dir"
+`rm -rf #{dmgDir}`
+
+bundle=dmgDir + "/FlightGear.app"
+contents=bundle + "/Contents"
+macosDir=contents + "/MacOS"
+frameworksDir=contents +"/Frameworks"
+resourcesDir=contents+"/Resources"
+osgPluginsDir=contents+"/PlugIns/osgPlugins-#{osgVersion}"
+volName="\"FlightGear #{VERSION}\""
+
+VERSION = File.read("#{srcDir}/version").strip
+
+dmgPath = Dir.pwd + "/fg_mac_#{VERSION}.dmg"
+
+puts "Creating directory structure"
+`mkdir -p #{macosDir}`
+`mkdir -p #{frameworksDir}`
+`mkdir -p #{resourcesDir}`
+`mkdir -p #{osgPluginsDir}`
+
+puts "Copying binaries"
+bins = ['fgfs', 'terrasync', 'fgjs']
+bins.each do |b|
+  `cp #{prefixDir}/bin/#{b} #{macosDir}/#{b}`
+  fix_install_names("#{macosDir}/#{b}")
+end
+
+puts "copying libraries"
+$osgLibs.each do |l|
+  libFile = "lib#{l}.#{$osgSoVersion}.dylib"
+  `cp #{prefixDir}/lib/#{libFile} #{frameworksDir}`
+  fix_install_names("#{frameworksDir}/#{libFile}")
+end
+
+# and not forgetting OpenThreads
+libFile = "libOpenThreads.#{$openThreadsSoVersion}.dylib"
+`cp #{prefixDir}/lib/#{libFile} #{frameworksDir}`
+
+$osgPlugins.each do |p|
+  pluginFile = "osgdb_#{p}.so"
+  `cp #{prefixDir}/lib/osgPlugins-#{osgVersion}/#{pluginFile} #{osgPluginsDir}`
+  fix_install_names("#{osgPluginsDir}/#{pluginFile}")
+end
+
+# custom ALUT
+# must copy frameworks using ditto
+`ditto #{$alutSourcePath} #{frameworksDir}/ALUT.framework`
+
+# Macflightgear launcher
+
+
+# Info.plist
+template = File.read("#{srcDir}/package/mac/nightly.plist.in")
+output = ERB.new(template).result(binding)
+
+File.open("#{contents}/Info.plist", 'w') { |f|
+  f.write(output)
+}
+
+`cp #{srcDir}/package/mac/FlightGear.icns #{resourcesDir}/FlightGear.icns`
+`cp #{srcDir}/COPYING #{dmgDir}`
+
+puts "Creating DMG"
+
+createArgs = "-format UDBZ -imagekey bzip2-level=9 -quiet -volname #{volName}"
+
+`rm #{dmgPath}`
+`hdiutil create -srcfolder #{dmgDir} #{createArgs} #{dmgPath}`
diff --git a/simgear b/simgear
index 1670f88..e988dc0 160000
--- a/simgear
+++ b/simgear
@@ -1 +1 @@
-Subproject commit 1670f88e54fcb7842913f874f0f308f551df102f
+Subproject commit e988dc0e421744fe71b7cdc74b8ff081becfc31d