GYP changes and scripts for compiling Skia for ChromeOS

platform_tools/chromeos/bin/chromeos_setup.sh

Index: platform_tools/chromeos/bin/chromeos_setup.sh
===================================================================
--- platform_tools/chromeos/bin/chromeos_setup.sh	(revision 0)
+++ platform_tools/chromeos/bin/chromeos_setup.sh	(working copy)
@@ -1,3 +1,5 @@
+# Set up the environment to build Skia for ChromeOS.
+
 function exportVar {
   NAME=$1
   VALUE=$2
@@ -7,194 +9,79 @@
 
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
-# A valid Android SDK installation is required to build the sample app.
-if [ -z "$ANDROID_SDK_ROOT" ]; then
-  ANDROID_TOOL=$(which android 2>/dev/null)
-  if [ -z "$ANDROID_TOOL" ]; then
-    echo "ERROR: Please define ANDROID_SDK_ROOT in your environment to point"
-    echo "       to a valid Android SDK installation."
-    return 1
-  fi
-  ANDROID_SDK_ROOT=$(cd $(dirname "$ANDROID_TOOL")/.. && pwd)
-  exportVar ANDROID_SDK_ROOT "$ANDROID_SDK_ROOT"
-fi
-
-# ant is required to be installed on your system and in your PATH
-ant -version &> /dev/null
-if [[ "$?" != "0" ]]; then
-  echo "ERROR: Unable to find ant. Please install it before proceeding."
-  exit 1
-fi
-
-# check to see that gclient sync ran successfully
-THIRD_PARTY_EXTERNAL_DIR=${SCRIPT_DIR}/../third_party/externals
-if [ ! -d "$THIRD_PARTY_EXTERNAL_DIR" ]; then
-	echo ""
-	echo "ERROR: Unable to find the required third_party dependencies needed to build."
-	echo "       To fix this add the following line to your .gclient file and run 'gclient sync'"
-	echo "        target_os = ['android']"
-	echo ""
-	exit 1;
-fi
-
-# determine the toolchain that we will be using
-API_LEVEL=14
-
-if [[ -z "$NDK_REV" ]];
-then
-    NDK_REV="8d"
-fi
-
-if [[ -z "$ANDROID_ARCH" ]];
-then
-    ANDROID_ARCH="arm"
-fi
-
-TOOLCHAIN_DIR=${SCRIPT_DIR}/../toolchains
-if [ $(uname) == "Linux" ]; then
-    echo "Using Linux toolchain."
-    TOOLCHAIN_TYPE=ndk-r$NDK_REV-$ANDROID_ARCH-linux_v$API_LEVEL
-elif [ $(uname) == "Darwin" ]; then
-    echo "Using Mac toolchain."
-    TOOLCHAIN_TYPE=ndk-r$NDK_REV-$ANDROID_ARCH-mac_v$API_LEVEL
-else
-    echo "Could not automatically determine toolchain!  Defaulting to Linux."
-    TOOLCHAIN_TYPE=ndk-r$NDK_REV-$ANDROID_ARCH-linux_v$API_LEVEL
-fi
-exportVar ANDROID_TOOLCHAIN ${TOOLCHAIN_DIR}/${TOOLCHAIN_TYPE}/bin
-
-# if the toolchain doesn't exist on your machine then we need to fetch it
-if [ ! -d "$ANDROID_TOOLCHAIN" ]; then
-  # gsutil must be installed on your system and in your PATH
-  gsutil version &> /dev/null
-  if [[ "$?" != "0" ]]; then
-    echo "ERROR: Unable to find gsutil. Please install it before proceeding."
-    exit 1
-  fi
-  # create the toolchain directory if needed
-  if [ ! -d "$TOOLCHAIN_DIR" ]; then
-    mkdir $TOOLCHAIN_DIR
-  fi
-  # enter the toolchain directory then download, unpack, and remove the tarball 
-  pushd $TOOLCHAIN_DIR
-  TARBALL=ndk-r$NDK_REV-v$API_LEVEL.tgz
-  gsutil cp gs://chromium-skia-gm/android-toolchains/$TARBALL $TARBALL
-  echo "Untarring $TOOLCHAIN_TYPE from $TARBALL."
-  tar -xzf $TARBALL $TOOLCHAIN_TYPE
-  echo "Removing $TARBALL"
-  rm $TARBALL
-  popd
-fi
-
-if [ ! -d "$ANDROID_TOOLCHAIN" ]; then
-  echo "ERROR: unable to download/setup the required toolchain (${TOOLCHAIN_TYPE})"
-  return 1;
-fi
-
-echo "The build is targeting NDK API level $API_LEVEL for use on Android 4.0 (NDK Revision $NDK_REV) and above"
-
-LS="/bin/ls"  # Use directly to avoid any 'ls' alias that might be defined.
-GCC=$($LS $ANDROID_TOOLCHAIN/*-gcc | head -n1)
-if [ -z "$GCC" ]; then
-    echo "ERROR: Could not find Android cross-compiler in: $ANDROID_TOOLCHAIN"
-    return 1
-fi
-
-# Remove the '-gcc' at the end to get the full toolchain prefix
-ANDROID_TOOLCHAIN_PREFIX=${GCC%%-gcc}
-
-exportVar AR "$ANDROID_TOOLCHAIN_PREFIX-ar"
-if [[ -z "$ANDROID_MAKE_CCACHE" ]]; then
-  exportVar CC "$ANDROID_TOOLCHAIN_PREFIX-gcc"
-  exportVar CXX "$ANDROID_TOOLCHAIN_PREFIX-g++"
-  exportVar LINK "$ANDROID_TOOLCHAIN_PREFIX-gcc"
-else
-  exportVar CC "$ANDROID_MAKE_CCACHE $ANDROID_TOOLCHAIN_PREFIX-gcc"
-  exportVar CXX "$ANDROID_MAKE_CCACHE $ANDROID_TOOLCHAIN_PREFIX-g++"
-  exportVar LINK "$ANDROID_MAKE_CCACHE $ANDROID_TOOLCHAIN_PREFIX-gcc"
-fi
-exportVar RANLIB "$ANDROID_TOOLCHAIN_PREFIX-ranlib"
-exportVar OBJCOPY "$ANDROID_TOOLCHAIN_PREFIX-objcopy"
-exportVar STRIP "$ANDROID_TOOLCHAIN_PREFIX-strip"
-
 # Helper function to configure the GYP defines to the appropriate values
 # based on the target device.
 setup_device() {
-  DEFINES="OS=android"
+  DEFINES="OS=linux"
   DEFINES="${DEFINES} host_os=$(uname -s | sed -e 's/Linux/linux/;s/Darwin/mac/')"
-  DEFINES="${DEFINES} skia_os=android"
-  DEFINES="${DEFINES} android_base=${SCRIPT_DIR}/.."
-  DEFINES="${DEFINES} android_toolchain=${TOOLCHAIN_TYPE}"
+  DEFINES="${DEFINES} skia_os=chromeos"
 
+  # TODO(borenet): We have to define skia_warnings_as_errors=0 for the arm
+  # build, which throws lots of "mangling of va_list has changed" warnings.
+  DEFINES="${DEFINES} skia_warnings_as_errors=0"
+
   # Setup the build variation depending on the target device
   TARGET_DEVICE="$1"
 
   if [ -z "$TARGET_DEVICE" ]; then
-    echo "INFO: no target device type was specified so using the default 'arm_v7'"
-    TARGET_DEVICE="arm_v7"
+    echo "INFO: no target device type was specified so using the default 'x86-generic'"
+    TARGET_DEVICE="x86-generic"
   fi
 
+  # Toolchain prefixes.
+  X86_TOOLCHAIN_PREFIX="i686-pc-linux-gnu"
+  AMD64_TOOLCHAIN_PREFIX="x86_64-cros-linux-gnu"
+  ARMV7_TOOLCHAIN_PREFIX="armv7a-cros-linux-gnueabi"
+
   case $TARGET_DEVICE in
-    nexus_s)
-        DEFINES="${DEFINES} skia_arch_type=arm arm_neon=1 armv7=1 arm_thumb=0"
-        DEFINES="${DEFINES} skia_texture_cache_mb_limit=24"
-        ;;
-    nexus_4 | nexus_7 | nexus_10)
-        DEFINES="${DEFINES} skia_arch_type=arm arm_neon=1 armv7=1 arm_thumb=0"
-        ;;
-    xoom)
-        DEFINES="${DEFINES} skia_arch_type=arm arm_neon=0 armv7=1 arm_thumb=0"
-        ;;
-    galaxy_nexus)
-        DEFINES="${DEFINES} skia_arch_type=arm arm_neon=1 armv7=1 arm_thumb=0"
-        DEFINES="${DEFINES} skia_texture_cache_mb_limit=32"
-        ;;
-    razr_i)
+    x86-generic)
         DEFINES="${DEFINES} skia_arch_type=x86 skia_arch_width=32"
-        DEFINES="${DEFINES} skia_texture_cache_mb_limit=32"
+        CHROMEOS_TOOLCHAIN_TYPE=${X86_TOOLCHAIN_PREFIX}
+        BOARD_TYPE="x86-generic"
         ;;
-    arm_v7)
-        DEFINES="${DEFINES} skia_arch_type=arm arm_neon_optional=1 armv7=1 arm_thumb=0"
+    amd64-generic)
+        DEFINES="${DEFINES} skia_arch_type=x86 skia_arch_width=64"
+        CHROMEOS_TOOLCHAIN_TYPE=${AMD64_TOOLCHAIN_PREFIX}
+        BOARD_TYPE="amd64-generic"
         ;;
-    arm_v7_thumb)
-        DEFINES="${DEFINES} skia_arch_type=arm arm_neon_optional=1 armv7=1 arm_thumb=1"
+    arm-generic)
+        DEFINES="${DEFINES} skia_arch_type=arm arm_neon=1 armv7=1 arm_thumb=0 skia_arch_width=32"
+        CHROMEOS_TOOLCHAIN_TYPE=${ARMV7_TOOLCHAIN_PREFIX}
+        BOARD_TYPE="arm-generic"
         ;;
-    arm)
-        DEFINES="${DEFINES} skia_arch_type=arm arm_neon=0 armv7=0 arm_thumb=0"
-        ;;
-    arm_thumb)
-        DEFINES="${DEFINES} skia_arch_type=arm arm_neon=0 armv7=0 arm_thumb=1"
-        ;;
-    x86)
-        DEFINES="${DEFINES} skia_arch_type=x86 skia_arch_width=32"
-        DEFINES="${DEFINES} skia_texture_cache_mb_limit=32"
-        ;;
     *)
         echo -n "ERROR: unknown device specified ($TARGET_DEVICE), valid values: "
-        echo "nexus_[s,4,7,10] xoom galaxy_nexus arm arm_thumb arm_v7 arm_v7_thumb x86"
+        echo "x86-generic amd64-generic arm-generic"
         return 1;
         ;;
   esac
 
-  echo "The build is targeting the device: $TARGET_DEVICE"
+  DEFINES="${DEFINES} skia_cros_target=${BOARD_TYPE}"
 
-  exportVar GYP_DEFINES "$DEFINES"
-  exportVar SKIA_OUT "out/config/android-${TARGET_DEVICE}"
-}
+  CHROMEOS_TOOLCHAIN_PREFIX="/usr/bin/${CHROMEOS_TOOLCHAIN_TYPE}"
+  exportVar AR "$CHROMEOS_TOOLCHAIN_PREFIX-ar"
+  if [[ -z "$CHROMEOS_MAKE_CCACHE" ]]; then
+    exportVar CC "$CHROMEOS_TOOLCHAIN_PREFIX-gcc"
+    exportVar CXX "$CHROMEOS_TOOLCHAIN_PREFIX-g++"
+    exportVar LINK "$CHROMEOS_TOOLCHAIN_PREFIX-gcc"
+  else
+    exportVar CC "$CHROMEOS_MAKE_CCACHE $CHROMEOS_TOOLCHAIN_PREFIX-gcc"
+    exportVar CXX "$CHROMEOS_MAKE_CCACHE $CHROMEOS_TOOLCHAIN_PREFIX-g++"
+    exportVar LINK "$CHROMEOS_MAKE_CCACHE $CHROMEOS_TOOLCHAIN_PREFIX-gcc"
+  fi
+  exportVar RANLIB "$CHROMEOS_TOOLCHAIN_PREFIX-ranlib"
+  exportVar OBJCOPY "$CHROMEOS_TOOLCHAIN_PREFIX-objcopy"
+  exportVar STRIP "$CHROMEOS_TOOLCHAIN_PREFIX-strip"
 
-# Run the setup device command initially as a convenience for the user
-#setup_device
-#echo "** The device has been setup for you by default. If you would like to **"
-#echo "** use a different device then run the setup_device function with the **"
-#echo "** appropriate input.                                                 **"
+  echo "The build is targeting the device: $TARGET_DEVICE"
 
-# Use the "android" flavor of the Makefile generator for both Linux and OS X.
-exportVar GYP_GENERATORS "make-android"
+  BUILD_PREFIX="/build/${BOARD_TYPE}"
 
-# Helper function so that when we run "make" to build for clank it exports
-# the toolchain variables to make.
-#make_android() {
-#  CC="$CROSS_CC" CXX="$CROSS_CXX" LINK="$CROSS_LINK" \
-#  AR="$CROSS_AR" RANLIB="$CROSS_RANLIB" \
-#    command make $*
-#}
+  exportVar C_INCLUDE_PATH "${BUILD_PREFIX}/usr/include"
+  exportVar CPLUS_INCLUDE_PATH "${BUILD_PREFIX}/usr/include"
+  exportVar LIBRARY_PATH "${BUILD_PREFIX}/usr/lib"
+  exportVar LD_LIBRARY_PATH "${BUILD_PREFIX}/usr/lib"
+
+  exportVar GYP_DEFINES "$DEFINES"
+  exportVar SKIA_OUT "out/config/chromeos-${TARGET_DEVICE}"
+}