1#!/bin/sh 2# 3# Copyright (C) 2010 The Android Open Source Project 4# 5# Licensed under the Apache License, Version 2.0 (the "License"); 6# you may not use this file except in compliance with the License. 7# You may obtain a copy of the License at 8# 9# http://www.apache.org/licenses/LICENSE-2.0 10# 11# Unless required by applicable law or agreed to in writing, software 12# distributed under the License is distributed on an "AS IS" BASIS, 13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14# See the License for the specific language governing permissions and 15# limitations under the License. 16# 17# This shell script is used to rebuild the gcc and toolchain binaries 18# for the Android NDK. 19# 20 21# include common function and variable definitions 22. `dirname $0`/prebuilt-common.sh 23 24PROGRAM_PARAMETERS="<src-dir> <ndk-dir> <toolchain>" 25 26PROGRAM_DESCRIPTION=\ 27"Rebuild the gcc toolchain prebuilt binaries for the Android NDK. 28 29Where <src-dir> is the location of toolchain sources, <ndk-dir> is 30the top-level NDK installation path and <toolchain> is the name of 31the toolchain to use (e.g. arm-linux-androideabi-4.4.3)." 32 33RELEASE=`date +%Y%m%d` 34BUILD_OUT=/tmp/ndk-$USER/build/toolchain 35OPTION_BUILD_OUT= 36register_var_option "--build-out=<path>" OPTION_BUILD_OUT "Set temporary build directory" 37 38# Note: platform API level 9 or higher is needed for proper C++ support 39PLATFORM=$DEFAULT_PLATFORM 40register_var_option "--platform=<name>" PLATFORM "Specify platform name" 41 42OPTION_SYSROOT= 43register_var_option "--sysroot=<path>" OPTION_SYSROOT "Specify sysroot directory directly" 44 45GDB_VERSION=$DEFAULT_GDB_VERSION 46register_var_option "--gdb-version=<version>" GDB_VERSION "Specify gdb version" 47 48BINUTILS_VERSION=$DEFAULT_BINUTILS_VERSION 49EXPLICIT_BINUTILS_VERSION= 50register_option "--binutils-version=<version>" do_binutils_version "Specify binutils version" "$BINUTILS_VERSION" 51do_binutils_version () { 52 BINUTILS_VERSION=$1 53 EXPLICIT_BINUTILS_VERSION=true 54} 55 56GMP_VERSION=$DEFAULT_GMP_VERSION 57register_var_option "--gmp-version=<version>" GMP_VERSION "Specify gmp version" 58 59MPFR_VERSION=$DEFAULT_MPFR_VERSION 60register_var_option "--mpfr-version=<version>" MPFR_VERSION "Specify mpfr version" 61 62MPC_VERSION=$DEFAULT_MPC_VERSION 63register_var_option "--mpc-version=<version>" MPC_VERSION "Specify mpc version" 64 65PACKAGE_DIR= 66register_var_option "--package-dir=<path>" PACKAGE_DIR "Create archive tarball in specific directory" 67 68register_jobs_option 69register_mingw_option 70register_try64_option 71 72extract_parameters "$@" 73 74prepare_mingw_toolchain /tmp/ndk-$USER/build 75 76fix_option BUILD_OUT "$OPTION_BUILD_OUT" "build directory" 77setup_default_log_file $BUILD_OUT/config.log 78 79set_parameters () 80{ 81 SRC_DIR="$1" 82 NDK_DIR="$2" 83 TOOLCHAIN="$3" 84 85 # Check source directory 86 # 87 if [ -z "$SRC_DIR" ] ; then 88 echo "ERROR: Missing source directory parameter. See --help for details." 89 exit 1 90 fi 91 92 if [ ! -d "$SRC_DIR/gcc" ] ; then 93 echo "ERROR: Source directory does not contain gcc sources: $SRC_DIR" 94 exit 1 95 fi 96 97 log "Using source directory: $SRC_DIR" 98 99 # Check NDK installation directory 100 # 101 if [ -z "$NDK_DIR" ] ; then 102 echo "ERROR: Missing NDK directory parameter. See --help for details." 103 exit 1 104 fi 105 106 if [ ! -d "$NDK_DIR" ] ; then 107 mkdir -p $NDK_DIR 108 if [ $? != 0 ] ; then 109 echo "ERROR: Could not create target NDK installation path: $NDK_DIR" 110 exit 1 111 fi 112 fi 113 114 log "Using NDK directory: $NDK_DIR" 115 116 # Check toolchain name 117 # 118 if [ -z "$TOOLCHAIN" ] ; then 119 echo "ERROR: Missing toolchain name parameter. See --help for details." 120 exit 1 121 fi 122} 123 124set_parameters $PARAMETERS 125 126prepare_target_build 127 128parse_toolchain_name $TOOLCHAIN 129 130fix_sysroot "$OPTION_SYSROOT" 131 132check_toolchain_src_dir "$SRC_DIR" 133 134if [ ! -d $SRC_DIR/gdb/gdb-$GDB_VERSION ] ; then 135 echo "ERROR: Missing gdb sources: $SRC_DIR/gdb/gdb-$GDB_VERSION" 136 echo " Use --gdb-version=<version> to specify alternative." 137 exit 1 138fi 139 140if [ -z "$EXPLICIT_BINUTILS_VERSION" ]; then 141 BINUTILS_VERSION=$(get_default_binutils_version_for_gcc $TOOLCHAIN) 142 dump "Auto-config: --binutils-version=$BINUTILS_VERSION" 143fi 144 145if [ ! -d $SRC_DIR/binutils/binutils-$BINUTILS_VERSION ] ; then 146 echo "ERROR: Missing binutils sources: $SRC_DIR/binutils/binutils-$BINUTILS_VERSION" 147 echo " Use --binutils-version=<version> to specify alternative." 148 exit 1 149fi 150 151fix_option MPFR_VERSION "$OPTION_MPFR_VERSION" "mpfr version" 152if [ ! -f $SRC_DIR/mpfr/mpfr-$MPFR_VERSION.tar.bz2 ] ; then 153 echo "ERROR: Missing mpfr sources: $SRC_DIR/mpfr/mpfr-$MPFR_VERSION.tar.bz2" 154 echo " Use --mpfr-version=<version> to specify alternative." 155 exit 1 156fi 157 158if [ "$PACKAGE_DIR" ]; then 159 mkdir -p "$PACKAGE_DIR" 160 fail_panic "Could not create package directory: $PACKAGE_DIR" 161fi 162 163set_toolchain_ndk $NDK_DIR $TOOLCHAIN 164 165dump "Using C compiler: $CC" 166dump "Using C++ compiler: $CXX" 167 168rm -rf $BUILD_OUT 169mkdir -p $BUILD_OUT 170 171# Location where the toolchain license files are 172TOOLCHAIN_LICENSES=$ANDROID_NDK_ROOT/build/tools/toolchain-licenses 173 174# Without option "--sysroot" (and its variations), GCC will attempt to 175# search path specified by "--with-sysroot" at build time for headers/libs. 176# Path at --with-sysroot contains minimal headers and libs to boostrap 177# toolchain build, and it's not needed afterward (NOTE: NDK provides 178# sysroot at specified API level,and Android build explicit lists header/lib 179# dependencies. 180# 181# It's better to point --with-sysroot to local directory otherwise the 182# path may be found at compile-time and bad things can happen: eg. 183# 1) The path exists and contain incorrect headers/libs 184# 2) The path exists at remote server and blocks GCC for seconds 185# 3) The path exists but not accessible, which crashes GCC! 186# 187# For canadian build --with-sysroot has to be sub-directory of --prefix. 188# Put TOOLCHAIN_BUILD_PREFIX to BUILD_OUT which is in /tmp by default, 189# and TOOLCHAIN_BUILD_SYSROOT underneath. 190 191TOOLCHAIN_BUILD_PREFIX=$BUILD_OUT/prefix 192TOOLCHAIN_BUILD_SYSROOT=$TOOLCHAIN_BUILD_PREFIX/sysroot 193dump "Sysroot : Copying: $SYSROOT --> $TOOLCHAIN_BUILD_SYSROOT" 194mkdir -p $TOOLCHAIN_BUILD_SYSROOT && (cd $SYSROOT && tar ch *) | (cd $TOOLCHAIN_BUILD_SYSROOT && tar x) 195if [ $? != 0 ] ; then 196 echo "Error while copying sysroot files. See $TMPLOG" 197 exit 1 198fi 199 200# configure the toolchain 201# 202dump "Configure: $TOOLCHAIN toolchain build" 203# Old versions of the toolchain source packages placed the 204# configure script at the top-level. Newer ones place it under 205# the build directory though. Probe the file system to check 206# this. 207BUILD_SRCDIR=$SRC_DIR/build 208if [ ! -d $BUILD_SRCDIR ] ; then 209 BUILD_SRCDIR=$SRC_DIR 210fi 211OLD_ABI="${ABI}" 212export CC CXX 213export CFLAGS_FOR_TARGET="$ABI_CFLAGS_FOR_TARGET" 214export CXXFLAGS_FOR_TARGET="$ABI_CXXFLAGS_FOR_TARGET" 215# Needed to build a 32-bit gmp on 64-bit systems 216export ABI=$HOST_GMP_ABI 217# -Wno-error is needed because our gdb-6.6 sources use -Werror by default 218# and fail to build with recent GCC versions. 219export CFLAGS="-Wno-error" 220 221# This extra flag is used to slightly speed up the build 222EXTRA_CONFIG_FLAGS="--disable-bootstrap" 223 224# This is to disable GCC 4.6 specific features that don't compile well 225# the flags are ignored for older GCC versions. 226EXTRA_CONFIG_FLAGS=$EXTRA_CONFIG_FLAGS" --disable-libquadmath --disable-plugin" 227 228# Enable Gold as default 229case "$TOOLCHAIN" in 230 # Note that only ARM and X86 are supported 231 x86-4.6|arm-linux-androideabi-4.6) 232 EXTRA_CONFIG_FLAGS=$EXTRA_CONFIG_FLAGS" --enable-gold=default" 233 ;; 234esac 235 236#export LDFLAGS="$HOST_LDFLAGS" 237cd $BUILD_OUT && run \ 238$BUILD_SRCDIR/configure --target=$ABI_CONFIGURE_TARGET \ 239 --enable-initfini-array \ 240 --host=$ABI_CONFIGURE_HOST \ 241 --build=$ABI_CONFIGURE_BUILD \ 242 --disable-nls \ 243 --prefix=$TOOLCHAIN_BUILD_PREFIX \ 244 --with-sysroot=$TOOLCHAIN_BUILD_SYSROOT \ 245 --with-binutils-version=$BINUTILS_VERSION \ 246 --with-mpfr-version=$MPFR_VERSION \ 247 --with-mpc-version=$MPC_VERSION \ 248 --with-gmp-version=$GMP_VERSION \ 249 --with-gcc-version=$GCC_VERSION \ 250 --with-gdb-version=$GDB_VERSION \ 251 --with-gxx-include-dir=$TOOLCHAIN_BUILD_PREFIX/include/c++/$GCC_VERSION \ 252 $EXTRA_CONFIG_FLAGS \ 253 $ABI_CONFIGURE_EXTRA_FLAGS 254if [ $? != 0 ] ; then 255 dump "Error while trying to configure toolchain build. See $TMPLOG" 256 exit 1 257fi 258ABI="$OLD_ABI" 259# build the toolchain 260dump "Building : $TOOLCHAIN toolchain [this can take a long time]." 261cd $BUILD_OUT 262export CC CXX 263export ABI=$HOST_GMP_ABI 264JOBS=$NUM_JOBS 265 266while [ -n "1" ]; do 267 run make -j$JOBS 268 if [ $? = 0 ] ; then 269 break 270 else 271 if [ "$MINGW" = "yes" ] ; then 272 # Unfortunately, there is a bug in the GCC build scripts that prevent 273 # parallel mingw builds to work properly on some multi-core machines 274 # (but not all, sounds like a race condition). Detect this and restart 275 # in less parallelism, until -j1 also fail 276 JOBS=$((JOBS/2)) 277 if [ $JOBS -lt 1 ] ; then 278 echo "Error while building mingw toolchain. See $TMPLOG" 279 exit 1 280 fi 281 dump "Parallel mingw build failed - continuing in less parallelism -j$JOBS" 282 else 283 echo "Error while building toolchain. See $TMPLOG" 284 exit 1 285 fi 286 fi 287done 288 289ABI="$OLD_ABI" 290 291# install the toolchain to its final location 292dump "Install : $TOOLCHAIN toolchain binaries." 293cd $BUILD_OUT && run make install 294if [ $? != 0 ] ; then 295 echo "Error while installing toolchain. See $TMPLOG" 296 exit 1 297fi 298 299# copy to toolchain path 300run copy_directory "$TOOLCHAIN_BUILD_PREFIX" "$TOOLCHAIN_PATH" 301 302# don't forget to copy the GPL and LGPL license files 303run cp -f $TOOLCHAIN_LICENSES/COPYING $TOOLCHAIN_LICENSES/COPYING.LIB $TOOLCHAIN_PATH 304 305# remove some unneeded files 306run rm -f $TOOLCHAIN_PATH/bin/*-gccbug 307run rm -rf $TOOLCHAIN_PATH/info 308run rm -rf $TOOLCHAIN_PATH/man 309run rm -rf $TOOLCHAIN_PATH/share 310run rm -rf $TOOLCHAIN_PATH/lib/gcc/$ABI_CONFIGURE_TARGET/*/install-tools 311run rm -rf $TOOLCHAIN_PATH/lib/gcc/$ABI_CONFIGURE_TARGET/*/plugin 312run rm -rf $TOOLCHAIN_PATH/libexec/gcc/$ABI_CONFIGURE_TARGET/*/install-tools 313run rm -rf $TOOLCHAIN_PATH/lib32/libiberty.a 314run rm -rf $TOOLCHAIN_PATH/$ABI_CONFIGURE_TARGET/lib/libiberty.a 315run rm -rf $TOOLCHAIN_PATH/$ABI_CONFIGURE_TARGET/lib/*/libiberty.a 316run rm -rf $TOOLCHAIN_PATH/$ABI_CONFIGURE_TARGET/lib/*/*/libiberty.a 317 318# Remove libstdc++ for now (will add it differently later) 319# We had to build it to get libsupc++ which we keep. 320run rm -rf $TOOLCHAIN_PATH/$ABI_CONFIGURE_TARGET/lib/libstdc++.* 321run rm -rf $TOOLCHAIN_PATH/$ABI_CONFIGURE_TARGET/lib/*/libstdc++.* 322run rm -rf $TOOLCHAIN_PATH/$ABI_CONFIGURE_TARGET/include/c++ 323 324# strip binaries to reduce final package size 325run strip $TOOLCHAIN_PATH/bin/* 326run strip $TOOLCHAIN_PATH/$ABI_CONFIGURE_TARGET/bin/* 327run strip $TOOLCHAIN_PATH/libexec/gcc/*/*/cc1$HOST_EXE 328run strip $TOOLCHAIN_PATH/libexec/gcc/*/*/cc1plus$HOST_EXE 329run strip $TOOLCHAIN_PATH/libexec/gcc/*/*/collect2$HOST_EXE 330 331# copy SOURCES file if present 332if [ -f "$SRC_DIR/SOURCES" ]; then 333 cp "$SRC_DIR/SOURCES" "$TOOLCHAIN_PATH/SOURCES" 334fi 335 336if [ "$PACKAGE_DIR" ]; then 337 ARCHIVE="$TOOLCHAIN-$HOST_TAG.tar.bz2" 338 SUBDIR=$(get_toolchain_install_subdir $TOOLCHAIN $HOST_TAG) 339 dump "Packaging $ARCHIVE" 340 pack_archive "$PACKAGE_DIR/$ARCHIVE" "$NDK_DIR" "$SUBDIR" 341fi 342 343dump "Done." 344if [ -z "$OPTION_BUILD_OUT" ] ; then 345 rm -rf $BUILD_OUT 346fi 347