120 lines
3.8 KiB
Bash
Executable File
120 lines
3.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# setup_toolchain.sh: Sets toolchain environment variables used by other scripts.
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# Fail-fast if anything in the script fails.
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set -e
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# check that the preconditions for this script are met
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if [ $(type -t verbose) != 'function' ]; then
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echo "ERROR: The verbose function is expected to be defined"
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return 1
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fi
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if [ $(type -t exportVar) != 'function' ]; then
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echo "ERROR: The exportVar function is expected to be defined"
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return 1
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fi
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if [ $(type -t absPath) != 'function' ]; then
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echo "ERROR: The absPath function is expected to be defined"
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return 1
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fi
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if [ -z "$SCRIPT_DIR" ]; then
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echo "ERROR: The SCRIPT_DIR variable is expected to be defined"
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return 1
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fi
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function default_toolchain() {
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NDK_REV=${NDK_REV-10c}
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ANDROID_ARCH=${ANDROID_ARCH-arm}
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if [[ $ANDROID_ARCH == *64* ]]; then
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API_LEVEL=21 # Official Android 5.0 (Lollipop) system images
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else
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API_LEVEL=14 # Official Android 4.0 system images
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fi
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TOOLCHAIN_DIR=${SCRIPT_DIR}/../toolchains
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if [ $(uname) == "Darwin" ]; then
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verbose "Using Mac toolchain."
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TOOLCHAIN_TYPE=ndk-r$NDK_REV-$ANDROID_ARCH-darwin_v$API_LEVEL
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else
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verbose "Using Linux toolchain."
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TOOLCHAIN_TYPE=ndk-r$NDK_REV-$ANDROID_ARCH-linux_v$API_LEVEL
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fi
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exportVar ANDROID_TOOLCHAIN "${TOOLCHAIN_DIR}/${TOOLCHAIN_TYPE}/bin"
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# Hack for NDK_REV == 10c to ensure that clang is present as it was
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# added to the tarball after it was initially distributed.
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if [ ! -x ${ANDROID_TOOLCHAIN}/clang ]; then
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rm -rf ${TOOLCHAIN_DIR}/${TOOLCHAIN_TYPE}
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fi
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# if the toolchain doesn't exist on your machine then we need to fetch it
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if [ ! -d "$ANDROID_TOOLCHAIN" ]; then
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mkdir -p $TOOLCHAIN_DIR
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# enter the toolchain directory then download, unpack, and remove the tarball
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pushd $TOOLCHAIN_DIR
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TARBALL=ndk-r$NDK_REV-v$API_LEVEL.tgz
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${SCRIPT_DIR}/download_toolchains.py \
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http://chromium-skia-gm.commondatastorage.googleapis.com/android-toolchains/$TARBALL \
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$TOOLCHAIN_DIR/$TARBALL
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tar -xzf $TARBALL $TOOLCHAIN_TYPE
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rm $TARBALL
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popd
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fi
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verbose "Targeting NDK API $API_LEVEL (NDK Revision $NDK_REV)"
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}
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#check to see if the toolchain has been defined and if not setup the default toolchain
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if [ -z "$ANDROID_TOOLCHAIN" ]; then
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default_toolchain
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if [ ! -d "$ANDROID_TOOLCHAIN" ]; then
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echo "ERROR: unable to download/setup the required toolchain (${ANDROID_TOOLCHAIN})"
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return 1;
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fi
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fi
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GCC=$(command ls $ANDROID_TOOLCHAIN/*-gcc | head -n1)
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if [ -z "$GCC" ]; then
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echo "ERROR: Could not find Android cross-compiler in: $ANDROID_TOOLCHAIN"
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return 1
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fi
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# Remove the '-gcc' at the end to get the full toolchain prefix
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ANDROID_TOOLCHAIN_PREFIX=${GCC%%-gcc}
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CCACHE=${ANDROID_MAKE_CCACHE-$(which ccache || true)}
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if [ -z $USE_CLANG ]; then
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exportVar CC "$CCACHE $ANDROID_TOOLCHAIN_PREFIX-gcc"
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exportVar CXX "$CCACHE $ANDROID_TOOLCHAIN_PREFIX-g++"
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exportVar LINK "$CCACHE $ANDROID_TOOLCHAIN_PREFIX-gcc"
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else
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# temporarily disable ccache as it is generating errors
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CCACHE=""
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exportVar CC "$CCACHE $ANDROID_TOOLCHAIN_PREFIX-clang"
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exportVar CXX "$CCACHE $ANDROID_TOOLCHAIN_PREFIX-clang++"
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exportVar LINK "$CCACHE $ANDROID_TOOLCHAIN_PREFIX-clang"
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fi
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exportVar AR "$ANDROID_TOOLCHAIN_PREFIX-ar"
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exportVar RANLIB "$ANDROID_TOOLCHAIN_PREFIX-ranlib"
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exportVar OBJCOPY "$ANDROID_TOOLCHAIN_PREFIX-objcopy"
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exportVar STRIP "$ANDROID_TOOLCHAIN_PREFIX-strip"
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# Create symlinks for nm & readelf and add them to the path so that the ninja
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# build uses them instead of attempting to use the one on the system.
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# This is required to build using ninja on a Mac.
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if [ $(uname) == "Darwin" ]; then
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ln -sf $ANDROID_TOOLCHAIN_PREFIX-nm $ANDROID_TOOLCHAIN/nm
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ln -sf $ANDROID_TOOLCHAIN_PREFIX-readelf $ANDROID_TOOLCHAIN/readelf
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ln -sf $ANDROID_TOOLCHAIN_PREFIX-as $ANDROID_TOOLCHAIN/as
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fi
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exportVar PATH $ANDROID_TOOLCHAIN:$PATH
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