Custom game wrapper for osx. Point it at a standard game dir, and it will run it without needing any other dependencies installed.

Internal mono works; still uses system SDL and Cg

packaging/osx/OpenRA.app/Contents/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleIdentifier</key>
+	<string>OpenRA</string>
+	<key>CFBundleExecutable</key>
+	<string>OpenRA</string>
+	<key>CFBundleIconFile</key>
+	<string>OpenRA.icns</string>
+</dict>
+</plist>

packaging/osx/OpenRA.app/Contents/MacOS/OpenRA

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+#!/bin/bash
+
+# Where is the game we are trying to load?
+GAME_DIR="/Users/paul/src/OpenRA/"
+
+# Find where we are and what we want to run
+APP_PATH=`echo $0 | awk '{split($0,patharr,"/"); idx=1; while(patharr[idx+3] != "") { if (patharr[idx] != "/") {printf("%s/", patharr[idx]); idx++ }} }'`
+EXE_DIR="$APP_PATH/Contents/MacOS/"
+
+# Override paths so mono can find itself and the libraries it depends on
+export MONO_PATH="$APP_PATH/Contents/Frameworks/Mono.framework/Versions/2.6.3/lib/"
+export LD_LIBRARY_PATH="$MONO":"$MONO_PATH"
+export MONO_LOG_LEVEL=debug
+# Run the game
+cd $GAME_DIR
+${EXE_DIR}mono OpenRA.Game.exe

packaging/osx/package.sh

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+#!/bin/sh
+# OpenRA Packaging script for osx
+#   Creates a .app bundle for OpenRA
+#   Patches and packages mono to work from within the app bundle
+
+# A list of the binaries that may contain references to dependencies in the gac
+DEPS_LOCAL="OpenRA.Game.exe OpenRA.Gl.dll OpenRA.FileFormats.dll"
+
+# A list of external dependencies, (aside from mono)
+# Note: references to frameworks are currently hardcoded in the .config hacking step
+DEPS_FRAMEWORKS="/Library/Frameworks/Cg.framework /Library/Frameworks/SDL.framework"
+
+PACKAGING_DIR="osxbuild"
+SYSTEM_MONO="/Library/Frameworks/Mono.framework/Versions/2.6.3"
+LOCAL_MONO="$PACKAGING_DIR/OpenRA.app/Contents/Frameworks/Mono.framework/Versions/2.6.3"
+
+
+
+# Todo: make this go away when we kill the gac stuff
+# dylibs referred to by dlls in the gac; won't show up to otool
+GAC_DYLIBS="$SYSTEM_MONO/lib/libMonoPosixHelper.dylib $SYSTEM_MONO/lib/libgdiplus.dylib "
+
+
+
+mkdir -p $PACKAGING_DIR/OpenRA.app/
+cp -r ./packaging/osx/OpenRA.app/* $PACKAGING_DIR/OpenRA.app/
+
+function patch_mono {
+	echo "Patching: "$1
+	LIBS=$( otool -L $1 | grep /Library/Frameworks/Mono.framework/ | awk {'print $1'} )
+	for i in $LIBS; do
+		install_name_tool -change $i @executable_path/../${i:9} $1
+	done
+	for i in $LIBS; do
+		if [ ! -e $PACKAGING_DIR/OpenRA.app/Contents/${i:9} ]; then
+			mkdir -p $PACKAGING_DIR/OpenRA.app/Contents/`dirname ${i:9}`
+			cp $i $PACKAGING_DIR/OpenRA.app/Contents/`dirname ${i:9}`
+			patch_mono $PACKAGING_DIR/OpenRA.app/Contents/${i:9}
+		fi
+	done
+}
+
+# Setup environment for mkbundle
+# Force 32-bit build and set the pkg-config path for mono.pc
+export AS="as -arch i386"
+export CC="gcc -arch i386 -mmacosx-version-min=10.5 -isysroot /Developer/SDKs/MacOSX10.5.sdk"
+export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/Library/Frameworks/Mono.framework/Versions/Current/lib/pkgconfig/
+export PATH=/sw/bin:/sw/sbin:$PATH
+
+# Copy and patch mono
+echo "Copying and patching mono..."
+
+mkdir -p "$LOCAL_MONO/bin/"
+cp "$SYSTEM_MONO/bin/mono" "$PACKAGING_DIR/OpenRA.app/Contents/MacOS/"
+patch_mono "$PACKAGING_DIR/OpenRA.app/Contents/MacOS/mono"
+
+# Copy the gac dylibs into the app bundle
+for i in $GAC_DYLIBS; do
+	mkdir -p $PACKAGING_DIR/OpenRA.app/Contents/`dirname ${i:9}`
+	cp $i $PACKAGING_DIR/OpenRA.app/Contents/`dirname ${i:9}`
+	patch_mono $PACKAGING_DIR/OpenRA.app/Contents/${i:9}
+done
+
+
+# Find the dlls that are used by the game; copy them into the app bundle and patch/package any dependencies
+echo "Determining dlls used by the game..."
+
+DLL_DIR="$LOCAL_MONO/lib"
+
+# This is a huge hack, but reliably gets us the dlls to include
+DLLS=`mkbundle --deps --static -z -c -o OpenRA $DEPS_LOCAL | grep "embedding: "`
+for i in $DLLS; do
+  	if [ "$i" != "embedding:" ]; then
+		cp $i $DLL_DIR
+		if [ -e "$i.config" ]; then
+			CONFIG="$DLL_DIR/`basename $i`.config"
+			echo "Patching config `basename $CONFIG`"
+			# Remove any references to the hardcoded mono framework; the game will look in the right location anyway
+			#sed "s/\/Library\/Frameworks\/Mono.framework\/Versions\/2.6.3\/lib\///" "$i.config" > "${CONFIG}_1"
+			sed "s/\/Library\/Frameworks\/Mono.framework/..\/Mono.framework/" "$i.config" > "${CONFIG}"
+#			sed "s/\/Library\/Frameworks\/Cg.framework/..\/Cg.framework/" "${CONFIG}_1" > "${CONFIG}_2"
+#			sed "s/\/Library\/Frameworks\/SDL.framework/..\/SDL.framework/" "${CONFIG}_2" > $CONFIG
+#			rm "${CONFIG}_1" "${CONFIG}_2"
+		fi
+	fi
+done
+
+
+# Remove the files themselves that we accidentally copied over
+for i in $DEPS_LOCAL; do
+	rm "$DLL_DIR/$i"
+done
+
+# Copy external frameworks
+#echo "Copying external frameworks..."
+#for i in $DEPS_FRAMEWORKS; do
+#	cp -RL $i $PACKAGING_DIR/OpenRA.app/Contents/${i:9}
+#done
+
+echo "All Done!"