1#!/bin/sh 2# 3# Copyright (C) 2011 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 prebuilt GNU libsupc++ and 18# libstdc++ binaries from their sources. It requires an NDK installation 19# that contains valid plaforms files and toolchain binaries. 20# 21 22# include common function and variable definitions 23. `dirname $0`/prebuilt-common.sh 24 25PROGRAM_PARAMETERS="<src-dir>" 26 27PROGRAM_DESCRIPTION=\ 28"Rebuild the prebuilt GNU libsupc++ / libstdc++ binaries for the Android NDK. 29 30This script is called when packaging a new NDK release. It will simply 31rebuild the GNU libsupc++ and libstdc++ static and shared libraries from 32sources. 33 34This requires a temporary NDK installation containing platforms and 35toolchain binaries for all target architectures, as well as the path to 36the corresponding gcc source tree. 37 38By default, this will try with the current NDK directory, unless 39you use the --ndk-dir=<path> option. 40 41The output will be placed in appropriate sub-directories of 42<ndk>/$GNUSTL_SUBDIR, but you can override this with the --out-dir=<path> 43option. 44" 45 46PACKAGE_DIR= 47register_var_option "--package-dir=<path>" PACKAGE_DIR "Put prebuilt tarballs into <path>." 48 49NDK_DIR= 50register_var_option "--ndk-dir=<path>" NDK_DIR "Specify NDK root path for the build." 51 52BUILD_DIR= 53OPTION_BUILD_DIR= 54register_var_option "--build-dir=<path>" OPTION_BUILD_DIR "Specify temporary build dir." 55 56OUT_DIR= 57register_var_option "--out-dir=<path>" OUT_DIR "Specify output directory directly." 58 59ABIS=$(spaces_to_commas $PREBUILT_ABIS) 60register_var_option "--abis=<list>" ABIS "Specify list of target ABIs." 61 62JOBS="$BUILD_NUM_CPUS" 63register_var_option "-j<number>" JOBS "Use <number> build jobs in parallel" 64 65NO_MAKEFILE= 66register_var_option "--no-makefile" NO_MAKEFILE "Do not use makefile to speed-up build" 67 68NUM_JOBS=$BUILD_NUM_CPUS 69register_var_option "-j<number>" NUM_JOBS "Run <number> build jobs in parallel" 70 71extract_parameters "$@" 72 73SRCDIR=$(echo $PARAMETERS | sed 1q) 74if [ -z "$SRCDIR" ]; then 75 echo "ERROR: Please provide the path to the toolchain source tree" 76 exit 1 77fi 78 79GNUSTL_SRCDIR=$SRCDIR/gcc/gcc-$DEFAULT_GCC_VERSION/libstdc++-v3 80if [ ! -d "$GNUSTL_SRCDIR" ]; then 81 echo "ERROR: Not a valid toolchain source tree." 82 echo "Can't find: $GNUSTL_SRCDIR" 83 exit 1 84fi 85 86if [ ! -f "$GNUSTL_SRCDIR/configure" ]; then 87 echo "ERROR: Configure script missing: $GNUSTL_SRCDIR/configure" 88 exit 1 89fi 90 91ABIS=$(commas_to_spaces $ABIS) 92 93# Handle NDK_DIR 94if [ -z "$NDK_DIR" ] ; then 95 NDK_DIR=$ANDROID_NDK_ROOT 96 log "Auto-config: --ndk-dir=$NDK_DIR" 97else 98 if [ ! -d "$NDK_DIR" ] ; then 99 echo "ERROR: NDK directory does not exists: $NDK_DIR" 100 exit 1 101 fi 102fi 103 104if [ -z "$OPTION_BUILD_DIR" ]; then 105 BUILD_DIR=$NDK_TMPDIR/build-gnustl 106else 107 BUILD_DIR=$OPTION_BUILD_DIR 108fi 109mkdir -p "$BUILD_DIR" 110fail_panic "Could not create build directory: $BUILD_DIR" 111 112build_gnustl_for_abi () 113{ 114 local ARCH BINPREFIX SYSROOT 115 local ABI=$1 116 local BUILDDIR="$2" 117 local DSTDIR="$3" 118 local SRC OBJ OBJECTS CFLAGS CXXFLAGS 119 120 prepare_target_build $ABI $PLATFORM $NDK_DIR 121 fail_panic "Could not setup target build." 122 123 # If the output directory is not specified, use default location 124 if [ -z "$DSTDIR" ]; then 125 DSTDIR=$NDK_DIR/$GNUSTL_SUBDIR/libs/$ABI 126 fi 127 mkdir -p $DSTDIR 128 129 ARCH=$(convert_abi_to_arch $ABI) 130 BINPREFIX=$NDK_DIR/$(get_default_toolchain_binprefix_for_arch $ARCH) 131 SYSROOT=$NDK_DIR/$(get_default_platform_sysroot_for_arch $ARCH) 132 133 # Sanity check 134 if [ ! -f "$SYSROOT/usr/lib/libc.a" ]; then 135 echo "ERROR: Empty sysroot! you probably need to run gen-platforms.sh before this script." 136 exit 1 137 fi 138 if [ ! -f "$SYSROOT/usr/lib/libc.so" ]; then 139 echo "ERROR: Sysroot misses shared libraries! you probably need to run gen-platforms.sh" 140 echo "*without* the --minimal flag before running this script." 141 exit 1 142 fi 143 144 case $ARCH in 145 arm) 146 BUILD_HOST=arm-linux-androideabi 147 ;; 148 x86) 149 BUILD_HOST=i686-android-linux 150 ;; 151 esac 152 153 export CXXFLAGS="$CXXFLAGS --sysroot=$SYSROOT -fexceptions -frtti -D__BIONIC__ -O2 -fvisibility=hidden -fvisibility-inlines-hidden" 154 155 export CC=${BINPREFIX}gcc 156 export CXX=${BINPREFIX}g++ 157 export AS=${BINPREFIX}as 158 export LD=${BINPREFIX}ld 159 export AR=${BINPREFIX}ar 160 export RANLIB=${BINPREFIX}ranlib 161 export STRIP=${BINPREFIX}strip 162 163 setup_ccache 164 165 export LDFLAGS="-nostdinc -L$SYSROOT/usr/lib -lc" 166 167 PROJECT="GNU libstdc++ $ABI" 168 echo "$PROJECT: configuring" 169 mkdir -p $BUILD_DIR/$ABI && 170 cd $BUILDDIR && 171 run $GNUSTL_SRCDIR/configure \ 172 --prefix=$BUILDDIR/install \ 173 --host=$BUILD_HOST \ 174 --enable-shared --enable-static \ 175 --disable-symvers \ 176 --disable-multilib \ 177 --enable-threads --disable-nls \ 178 --disable-sjlj-exceptions --disable-tls 179 180 fail_panic "Could not configure $PROJECT" 181 182 echo "$PROJECT: compiling" 183 run make -j$NUM_JOBS 184 fail_panic "Could not build $PROJECT" 185 186 echo "$PROJECT: installing" 187 run make install 188 fail_panic "Could not create $ABI prebuilts for GNU libsupc++/libstdc++" 189} 190 191 192HAS_COMMON_HEADERS= 193 194# $1: ABI 195# $2: Build directory 196copy_gnustl_libs () 197{ 198 local ABI="$1" 199 local BUILDDIR="$2" 200 local ARCH=$(convert_abi_to_arch $ABI) 201 local VERSION=$DEFAULT_GCC_VERSION 202 local PREFIX=$(get_default_toolchain_prefix_for_arch $ARCH) 203 PREFIX=${PREFIX%%-} 204 205 local SDIR="$BUILDDIR/install" 206 local DDIR="$NDK_DIR/$GNUSTL_SUBDIR" 207 208 # Copy the common headers only the first time this function is called. 209 if [ -z "$HAS_COMMON_HEADERS" ]; then 210 copy_directory "$SDIR/include/c++/$VERSION" "$DDIR/include" 211 rm -rf "$DDIR/include/$PREFIX" 212 HAS_COMMON_HEADERS=true 213 fi 214 215 rm -rf "$DIR/libs/$ABI" && 216 mkdir -p "$DDIR/libs/$ABI/include" 217 218 # Copy the ABI-specific headers 219 copy_directory "$SDIR/include/c++/$VERSION/$PREFIX/bits" "$DDIR/libs/$ABI/include/bits" 220 221 # Copy the ABI-specific libraries 222 # Note: the shared library name is libgnustl_shared.so due our custom toolchain patch 223 # We need to copy libstdc++.so which is identical to libgnustl_shared.so except for the DT_LIBRARY entry 224 # within the ELF file, since it will be needed by the standalone toolchain installation later. 225 copy_file_list "$SDIR/lib" "$DDIR/libs/$ABI" libsupc++.a libstdc++.so libgnustl_shared.so 226 # Note: we need to rename libgnustl_shared.a to libgnustl_static.a 227 cp "$SDIR/lib/libgnustl_shared.a" "$DDIR/libs/$ABI/libgnustl_static.a" 228} 229 230 231 232for ABI in $ABIS; do 233 build_gnustl_for_abi $ABI "$BUILD_DIR/$ABI" 234 copy_gnustl_libs $ABI "$BUILD_DIR/$ABI" 235done 236 237# If needed, package files into tarballs 238if [ -n "$PACKAGE_DIR" ] ; then 239 # First, the headers as a single package 240 PACKAGE="$PACKAGE_DIR/gnu-libstdc++-headers.tar.bz2" 241 dump "Packaging: $PACKAGE" 242 pack_archive "$PACKAGE" "$NDK_DIR" "$GNUSTL_SUBDIR/include" 243 244 # Then, one package per ABI for libraries 245 for ABI in $ABIS; do 246 FILES="" 247 for LIB in include/bits libsupc++.a libgnustl_static.a libstdc++.so libgnustl_shared.so; do 248 FILES="$FILES $GNUSTL_SUBDIR/libs/$ABI/$LIB" 249 done 250 PACKAGE="$PACKAGE_DIR/gnu-libstdc++-libs-$ABI.tar.bz2" 251 dump "Packaging: $PACKAGE" 252 pack_archive "$PACKAGE" "$NDK_DIR" "$FILES" 253 fail_panic "Could not package $ABI STLport binaries!" 254 done 255fi 256 257if [ -z "$OPTION_BUILD_DIR" ]; then 258 log "Cleaning up..." 259 rm -rf $BUILD_DIR 260else 261 log "Don't forget to cleanup: $BUILD_DIR" 262fi 263 264log "Done!" 265