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# Copyright (C) 2010 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Create a standalone toolchain package for Android.
. `dirname $0`/prebuilt-common.sh
PROGRAM_PARAMETERS=""
PROGRAM_DESCRIPTION=\
"Generate a customized Android toolchain installation that includes
a working sysroot. The result is something that can more easily be
used as a standalone cross-compiler, e.g. to run configure and
make scripts."
# For now, this is the only toolchain that works reliably.
TOOLCHAIN_NAME=
register_var_option "--toolchain=<name>" TOOLCHAIN_NAME "Specify toolchain name"
LLVM_VERSION=
register_var_option "--llvm-version=<ver>" LLVM_VERSION "Specify LLVM version"
ARCH=
register_option "--arch=<name>" do_arch "Specify target architecture" "arm"
do_arch () { ARCH=$1; }
NDK_DIR=`dirname $0`
NDK_DIR=`dirname $NDK_DIR`
NDK_DIR=`dirname $NDK_DIR`
register_var_option "--ndk-dir=<path>" NDK_DIR "Take source files from NDK at <path>"
# Create 32-bit host toolchain by default
SYSTEM=$HOST_TAG32
register_var_option "--system=<name>" SYSTEM "Specify host system"
PACKAGE_DIR=/tmp/ndk-$USER
register_var_option "--package-dir=<path>" PACKAGE_DIR "Place package file in <path>"
INSTALL_DIR=
register_var_option "--install-dir=<path>" INSTALL_DIR "Don't create package, install files to <path> instead."
PLATFORM=
register_option "--platform=<name>" do_platform "Specify target Android platform/API level." "android-3"
do_platform () { PLATFORM=$1; }
extract_parameters "$@"
# Check NDK_DIR
if [ ! -d "$NDK_DIR/build/core" ] ; then
echo "Invalid source NDK directory: $NDK_DIR"
echo "Please use --ndk-dir=<path> to specify the path of an installed NDK."
exit 1
fi
# Check ARCH
if [ -z "$ARCH" ]; then
case $TOOLCHAIN_NAME in
arm-*)
ARCH=arm
;;
x86-*)
ARCH=x86
;;
mips*)
ARCH=mips
;;
*)
ARCH=arm
;;
esac
log "Auto-config: --arch=$ARCH"
fi
# Check toolchain name
if [ -z "$TOOLCHAIN_NAME" ]; then
TOOLCHAIN_NAME=$(get_default_toolchain_name_for_arch $ARCH)
echo "Auto-config: --toolchain=$TOOLCHAIN_NAME"
fi
# Detect LLVM version from toolchain name
if [ -z "$LLVM_VERSION" ]; then
LLVM_VERSION_EXTRACT=$(echo "$TOOLCHAIN_NAME" | grep 'clang[0-9]\.[0-9]$' | sed -e 's/.*-clang//')
if [ -n "$LLVM_VERSION_EXTRACT" ]; then
TOOLCHAIN_NAME=$(get_default_toolchain_name_for_arch $ARCH)
LLVM_VERSION=$LLVM_VERSION_EXTRACT
echo "Auto-config: --toolchain=$TOOLCHAIN_NAME, --llvm-version=$LLVM_VERSION"
fi
fi
# Check PLATFORM
if [ -z "$PLATFORM" ]; then
case $ARCH in
arm) PLATFORM=android-3
;;
x86)
PLATFORM=android-9
;;
mips)
# Set it to android-9
PLATFORM=android-9
;;
esac
log "Auto-config: --platform=$PLATFORM"
fi
if [ ! -d "$NDK_DIR/platforms/$PLATFORM" ] ; then
echo "Invalid platform name: $PLATFORM"
echo "Please use --platform=<name> with one of:" `(cd "$NDK_DIR/platforms" && ls)`
exit 1
fi
# Check toolchain name
TOOLCHAIN_PATH="$NDK_DIR/toolchains/$TOOLCHAIN_NAME"
if [ ! -d "$TOOLCHAIN_PATH" ] ; then
echo "Invalid toolchain name: $TOOLCHAIN_NAME"
echo "Please use --toolchain=<name> with the name of a toolchain supported by the source NDK."
echo "Try one of: " `(cd "$NDK_DIR/toolchains" && ls)`
exit 1
fi
# Extract architecture from platform name
parse_toolchain_name $TOOLCHAIN_NAME
# Check that there are any platform files for it!
(cd $NDK_DIR/platforms && ls -d */arch-${ARCH} >/dev/null 2>&1 )
if [ $? != 0 ] ; then
echo "Platform $PLATFORM doesn't have any files for this architecture: $ARCH"
echo "Either use --platform=<name> or --toolchain=<name> to select a different"
echo "platform or arch-dependent toolchain name (respectively)!"
exit 1
fi
# Compute source sysroot
SRC_SYSROOT="$NDK_DIR/platforms/$PLATFORM/arch-$ARCH"
if [ ! -d "$SRC_SYSROOT" ] ; then
echo "No platform files ($PLATFORM) for this architecture: $ARCH"
exit 1
fi
# Check that we have any prebuilts GCC toolchain here
if [ ! -d "$TOOLCHAIN_PATH/prebuilt" ] ; then
echo "Toolchain is missing prebuilt files: $TOOLCHAIN_NAME"
echo "You must point to a valid NDK release package!"
exit 1
fi
if [ ! -d "$TOOLCHAIN_PATH/prebuilt/$SYSTEM" ] ; then
echo "Host system '$SYSTEM' is not supported by the source NDK!"
echo "Try --system=<name> with one of: " `(cd $TOOLCHAIN_PATH/prebuilt && ls) | grep -v gdbserver`
exit 1
fi
TOOLCHAIN_PATH="$TOOLCHAIN_PATH/prebuilt/$SYSTEM"
TOOLCHAIN_GCC=$TOOLCHAIN_PATH/bin/$ABI_CONFIGURE_TARGET-gcc
if [ ! -f "$TOOLCHAIN_GCC" ] ; then
echo "Toolchain $TOOLCHAIN_GCC is missing!"
exit 1
fi
if [ -n "$LLVM_VERSION" ]; then
LLVM_TOOLCHAIN_PATH="$NDK_DIR/toolchains/llvm-$LLVM_VERSION"
# Check that we have any prebuilts LLVM toolchain here
if [ ! -d "$LLVM_TOOLCHAIN_PATH/prebuilt" ] ; then
echo "LLVM Toolchain is missing prebuilt files"
echo "You must point to a valid NDK release package!"
exit 1
fi
if [ ! -d "$LLVM_TOOLCHAIN_PATH/prebuilt/$SYSTEM" ] ; then
echo "Host system '$SYSTEM' is not supported by the source NDK!"
echo "Try --system=<name> with one of: " `(cd $LLVM_TOOLCHAIN_PATH/prebuilt && ls)`
exit 1
fi
LLVM_TOOLCHAIN_PATH="$LLVM_TOOLCHAIN_PATH/prebuilt/$SYSTEM"
fi
# Get GCC_BASE_VERSION. Note that GCC_BASE_VERSION may be slightly different from GCC_VERSION.
# eg. In gcc4.6 GCC_BASE_VERSION is "4.6.x-google"
LIBGCC_PATH=`$TOOLCHAIN_GCC -print-libgcc-file-name`
LIBGCC_BASE_PATH=${LIBGCC_PATH%/*} # base path of libgcc.a
GCC_BASE_VERSION=${LIBGCC_BASE_PATH##*/} # stuff after the last /
# Create temporary directory
TMPDIR=$NDK_TMPDIR/standalone/$TOOLCHAIN_NAME
dump "Copying prebuilt binaries..."
# Now copy the GCC toolchain prebuilt binaries
run copy_directory "$TOOLCHAIN_PATH" "$TMPDIR"
if [ -n "$LLVM_VERSION" ]; then
# Copy the clang/llvm toolchain prebuilt binaries
run copy_directory "$LLVM_TOOLCHAIN_PATH" "$TMPDIR"
# Move clang and clang++ to clang${LLVM_VERSION} and clang${LLVM_VERSION}++,
# then create scripts linking them with predefined -target flag. This is to
# make clang/++ easier drop-in replacement for gcc/++ in NDK standalone mode.
# Note that the file name of "clang" isn't important, and the trailing
# "++" tells clang to compile in C++ mode
LLVM_TARGET=
case "$ARCH" in
arm) # NOte: -target may change by clang based on the
# presence of subsequent -march=armv7-a and/or -mthumb
LLVM_TARGET=armv5te-none-linux-androideabi
;;
x86)
LLVM_TARGET=i686-none-linux-android
;;
mips)
LLVM_TARGET=mipsel-none-linux-android
;;
*)
dump "ERROR: Unsupported NDK architecture!"
esac
# Need to remove '.' from LLVM_VERSION when constructing new clang name,
# otherwise clang3.1++ may still compile *.c code as C, not C++, which
# is not consistent with g++
LLVM_VERSION_WITHOUT_DOT=$(echo "$LLVM_VERSION" | sed -e "s!\.!!")
mv "$TMPDIR/bin/clang${HOST_EXE}" "$TMPDIR/bin/clang${LLVM_VERSION_WITHOUT_DOT}${HOST_EXE}"
if [ -h "$TMPDIR/bin/clang++${HOST_EXE}" ] ; then
## clang++ is a link to clang. Remove it and reconstruct
rm "$TMPDIR/bin/clang++${HOST_EXE}"
ln -s "clang${LLVM_VERSION_WITHOUT_DOT}${HOST_EXE}" "$TMPDIR/bin/clang${LLVM_VERSION_WITHOUT_DOT}++${HOST_EXE}"
else
mv "$TMPDIR/bin/clang++${HOST_EXE}" "$TMPDIR/bin/clang$LLVM_VERSION_WITHOUT_DOT++${HOST_EXE}"
fi
cat > "$TMPDIR/bin/clang" <<EOF
\`dirname \$0\`/clang$LLVM_VERSION_WITHOUT_DOT -target $LLVM_TARGET "\$@"
EOF
cat > "$TMPDIR/bin/clang++" <<EOF
\`dirname \$0\`/clang$LLVM_VERSION_WITHOUT_DOT++ -target $LLVM_TARGET "\$@"
EOF
chmod 0755 "$TMPDIR/bin/clang" "$TMPDIR/bin/clang++"
if [ -n "$HOST_EXE" ] ; then
cat > "$TMPDIR/bin/clang.cmd" <<EOF
%~dp0\\clang${LLVM_VERSION_WITHOUT_DOT}${HOST_EXE} -target $LLVM_TARGET %*
EOF
cat > "$TMPDIR/bin/clang++.cmd" <<EOF
%~dp0\\clang${LLVM_VERSION_WITHOUT_DOT}++${HOST_EXE} -target $LLVM_TARGET %*
EOF
fi
fi
dump "Copying sysroot headers and libraries..."
# Copy the sysroot under $TMPDIR/sysroot. The toolchain was built to
# expect the sysroot files to be placed there!
run copy_directory_nolinks "$SRC_SYSROOT" "$TMPDIR/sysroot"
dump "Copying libstdc++ headers and libraries..."
GNUSTL_DIR=$NDK_DIR/$GNUSTL_SUBDIR/$GCC_VERSION
GNUSTL_LIBS=$GNUSTL_DIR/libs
ABI_STL="$TMPDIR/$ABI_CONFIGURE_TARGET"
ABI_STL_INCLUDE="$TMPDIR/include/c++/$GCC_BASE_VERSION"
copy_directory "$GNUSTL_DIR/include" "$ABI_STL_INCLUDE"
ABI_STL_INCLUDE_TARGET="$ABI_STL_INCLUDE/$ABI_CONFIGURE_TARGET"
mkdir -p "$ABI_STL_INCLUDE_TARGET"
fail_panic "Can't create directory: $ABI_STL_INCLUDE_TARGET"
case "$ARCH" in
arm)
copy_directory "$GNUSTL_LIBS/armeabi/include/bits" "$ABI_STL_INCLUDE_TARGET/bits"
copy_file_list "$GNUSTL_LIBS/armeabi" "$ABI_STL/lib" "libgnustl_shared.so"
copy_file_list "$GNUSTL_LIBS/armeabi" "$ABI_STL/lib" "libsupc++.a"
cp -p "$GNUSTL_LIBS/armeabi/libgnustl_static.a" "$ABI_STL/lib/libstdc++.a"
copy_directory "$GNUSTL_LIBS/armeabi/include/bits" "$ABI_STL_INCLUDE_TARGET/thumb/bits"
copy_file_list "$GNUSTL_LIBS/armeabi/thumb" "$ABI_STL/lib/thumb" "libgnustl_shared.so"
copy_file_list "$GNUSTL_LIBS/armeabi/thumb" "$ABI_STL/lib/thumb" "libsupc++.a"
cp -p "$GNUSTL_LIBS/armeabi/thumb/libgnustl_static.a" "$ABI_STL/lib/thumb/libstdc++.a"
copy_directory "$GNUSTL_LIBS/armeabi-v7a/include/bits" "$ABI_STL_INCLUDE_TARGET/armv7-a/bits"
copy_file_list "$GNUSTL_LIBS/armeabi-v7a" "$ABI_STL/lib/armv7-a" "libgnustl_shared.so"
copy_file_list "$GNUSTL_LIBS/armeabi-v7a" "$ABI_STL/lib/armv7-a" "libsupc++.a"
cp -p "$GNUSTL_LIBS/armeabi-v7a/libgnustl_static.a" "$ABI_STL/lib/armv7-a/libstdc++.a"
copy_directory "$GNUSTL_LIBS/armeabi-v7a/include/bits" "$ABI_STL_INCLUDE_TARGET/armv7-a/thumb/bits"
copy_file_list "$GNUSTL_LIBS/armeabi-v7a/thumb" "$ABI_STL/lib/armv7-a/thumb/" "libgnustl_shared.so"
copy_file_list "$GNUSTL_LIBS/armeabi-v7a/thumb" "$ABI_STL/lib/armv7-a/thumb/" "libsupc++.a"
cp -p "$GNUSTL_LIBS/armeabi-v7a/thumb/libgnustl_static.a" "$ABI_STL/lib/armv7-a//thumb/libstdc++.a"
;;
x86)
copy_directory "$GNUSTL_LIBS/x86/include/bits" "$ABI_STL_INCLUDE_TARGET/bits"
copy_file_list "$GNUSTL_LIBS/x86" "$ABI_STL/lib" "libgnustl_shared.so"
copy_file_list "$GNUSTL_LIBS/x86" "$ABI_STL/lib" "libsupc++.a"
cp -p "$GNUSTL_LIBS/x86/libgnustl_static.a" "$ABI_STL/lib/libstdc++.a"
;;
mips)
copy_directory "$GNUSTL_LIBS/mips/include/bits" "$ABI_STL_INCLUDE_TARGET/bits"
copy_file_list "$GNUSTL_LIBS/mips" "$ABI_STL/lib" "libgnustl_shared.so"
copy_file_list "$GNUSTL_LIBS/mips" "$ABI_STL/lib" "libsupc++.a"
cp -p "$GNUSTL_LIBS/mips/libgnustl_static.a" "$ABI_STL/lib/libstdc++.a"
;;
*)
dump "ERROR: Unsupported NDK architecture!"
esac
# Install or Package
if [ -n "$INSTALL_DIR" ] ; then
dump "Copying files to: $INSTALL_DIR"
run copy_directory "$TMPDIR" "$INSTALL_DIR"
else
PACKAGE_FILE="$PACKAGE_DIR/$TOOLCHAIN_NAME.tar.bz2"
dump "Creating package file: $PACKAGE_FILE"
pack_archive "$PACKAGE_FILE" "`dirname $TMPDIR`" "$TOOLCHAIN_NAME"
fail_panic "Could not create tarball from $TMPDIR"
fi
dump "Cleaning up..."
run rm -rf $TMPDIR
dump "Done."