Various OpenGLUI changes:

runtime/embedders/openglui/build_skia.sh

 #!/bin/bash
 
 function usage {
-  echo "usage: $0 [ --help ] [ --android ] [ --arm | --x86] [--clean] [<Dart directory>]"
+  echo "usage: $0 [ --help ] [ --android ] [ --arm | --x86] [ --debug ] [--clean] [<Dart directory>]"
   echo
   echo "Sync up Skia and build"
   echo
   echo " --android: Build for Android"
   echo " --x86 : Build for Intel"
   echo " --arm : Cross-compile for ARM (implies --android)"
+  echo " --debug : Build a debug version"
   echo
 }
 
 DO_ANDROID=0
 TARGET_ARCH=x86
 CLEAN=0
+BUILD=Release
 DART_DIR=../../..
 
 while [ ! -z "$1" ] ; do
   case $1 in
     "-h"|"-?"|"-help"|"--help")
       usage
       exit 1
     ;;
     "--android")
       DO_ANDROID=1
     ;;
     "--arm")
       TARGET_ARCH=arm
       DO_ANDROID=1
     ;;
     "--x86")
       TARGET_ARCH=x86
     ;;
     "--clean")
       CLEAN=1
     ;;
+    "--debug")
+      BUILD=Debug
+    ;;
+    "--release")
+      BUILD=Release
+    ;;
     *)
       if [ ! -d "$1" ]
       then
         echo "Unrecognized argument: $1"
         usage
         exit 1
       fi
       DART_DIR="$1"
     ;;
   esac
   shift
 done
 
 mkdir -p "${DART_DIR}/third_party/skia"
 pushd "${DART_DIR}/third_party/skia"
 
 if [ ${DO_ANDROID} != 0 ] ; then
   echo "Building for Android ${TARGET_ARCH}"
   curl http://skia.googlecode.com/svn/android/gclient.config -o .gclient
   gclient sync
 
   export ANDROID_SDK_ROOT=`readlink -f ../android_tools/sdk`
 
   cd trunk
 
   echo "Using SDK ${ANDROID_SDK_ROOT}"
   if [ ${CLEAN} != 0 ] ; then
     ../android/bin/android_make -d $TARGET_ARCH -j clean
   else
-    env -i BUILDTYPE=Debug ANDROID_SDK_ROOT="${ANDROID_SDK_ROOT}" ../android/bin/android_make BUILDTYPE=Debug -d $TARGET_ARCH -j --debug=j
-    #../android/bin/android_make ANDROID_NDK= BUILDTYPE=Debug ANDROID_SDK_ROOT= -d $TARGET_ARCH -j
-    #../android/bin/android_make ANDROID_NDK= BUILDTYPE=Debug ANDROID_SDK_ROOT="${ANDROID_SDK_ROOT}" -d $TARGET_ARCH -j
-    #../android/bin/android_make BUILDTYPE=Debug ANDROID_SDK_ROOT="${ANDROID_SDK_ROOT}" -d $TARGET_ARCH -j png
+    env -i BUILDTYPE=$BUILD ANDROID_SDK_ROOT="${ANDROID_SDK_ROOT}" ../android/bin/android_make BUILDTYPE=$BUILD -d $TARGET_ARCH -j --debug=j
   fi
 
 else
 
   echo "Building for desktop in `pwd`"
   # Desktop build. Requires svn client and Python.
 
   # Note that on Linux these packages should be installed first:
   #
   # libfreetype6
   # libfreetype6-dev
   # libpng12-0, libpng12-dev
   # libglu1-mesa-dev
   # mesa-common-dev
   # freeglut3-dev
 
   SKIA_INSTALLDIR=`pwd`
   svn checkout http://skia.googlecode.com/svn/trunk
   cd trunk
   if [ ${CLEAN} != 0 ] ; then
     echo 'Cleaning'
     make clean
   else
     # Dart sets BUILDTYPE to DebugX64 which breaks Skia build.
-    make BUILDTYPE=Debug
+    make BUILDTYPE=$BUILD
   fi
   cd ..
 
 fi
 
 popd
 # TODO(gram) We should really propogate the make exit code here.
 exit 0