add sdl mixer builder

.gitignore

@@ -4,5 +4,6 @@ Python-*
 freetype-*
 SDL_*
 build/*
-sdl/sdl1.3/Xcode-iPhoneOS/SDL/build/
+SDL/Xcode-iPhoneOS/SDL/build/
 kivy/*
+libtremor/*

build_sdlmixer.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+. environment.sh
+
+if [ ! -d SDL_mixer ]; then
+	hg clone http://hg.libsdl.org/SDL_mixer/
+fi
+if [ ! -d libtremor ]; then
+	mkdir libtremor
+	cd libtremor
+	svn co http://svn.xiph.org/trunk/Tremor tremor
+	cd ..
+fi
+
+if [ -f SDL_mixer/libSDL_mixer-arm7.a ]; then
+	exit 0;
+fi
+
+pushd SDL_mixer/Xcode-iOS
+xcodebuild -project SDL_mixer.xcodeproj -configuration Debug
+popd
+
+cp SDL_mixer/Xcode-iOS/build/Debug-iphoneos/libSDL_mixer.a $BUILDROOT/lib
+cp -a SDL_mixer/SDL_mixer.h $BUILDROOT/include