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 $0`/prebuilt-common.sh 24 25 PROGRAM_PARAMETERS="<src-dir>" 26 27 PROGRAM_DESCRIPTION=\ 28 "Rebuild the prebuilt GNU libsupc++ / libstdc++ binaries for the Android NDK. 29 30 This script is called when packaging a new NDK release. It will simply 31 rebuild the GNU libsupc++ and libstdc++ static and shared libraries from 32 sources. 33 34 This requires a temporary NDK installation containing platforms and 35 toolchain binaries for all target architectures, as well as the path to 36 the corresponding gcc source tree. 37 38 By default, this will try with the current NDK directory, unless 39 you use the --ndk-dir=<path> option. 40 41 The output will be placed in appropriate sub-directories of 42 <ndk>/$GNUSTL_SUBDIR, but you can override this with the --out-dir=<path> 43 option. 44 " 45 46 PACKAGE_DIR= 47 register_var_option "--package-dir=<path>" PACKAGE_DIR "Put prebuilt tarballs into <path>." 48 49 NDK_DIR= 50 register_var_option "--ndk-dir=<path>" NDK_DIR "Specify NDK root path for the build." 51 52 BUILD_DIR= 53 OPTION_BUILD_DIR= 54 register_var_option "--build-dir=<path>" OPTION_BUILD_DIR "Specify temporary build dir." 55 56 OUT_DIR= 57 register_var_option "--out-dir=<path>" OUT_DIR "Specify output directory directly." 58 59 ABIS=$(spaces_to_commas $PREBUILT_ABIS) 60 register_var_option "--abis=<list>" ABIS "Specify list of target ABIs." 61 62 JOBS="$BUILD_NUM_CPUS" 63 register_var_option "-j<number>" JOBS "Use <number> build jobs in parallel" 64 65 NO_MAKEFILE= 66 register_var_option "--no-makefile" NO_MAKEFILE "Do not use makefile to speed-up build" 67 68 NUM_JOBS=$BUILD_NUM_CPUS 69 register_var_option "-j<number>" NUM_JOBS "Run <number> build jobs in parallel" 70 71 extract_parameters "$@" 72 73 SRCDIR=$(echo $PARAMETERS | sed 1q) 74 check_toolchain_src_dir "$SRCDIR" 75 76 GNUSTL_SRCDIR=$SRCDIR/gcc/gcc-$DEFAULT_GCC_VERSION/libstdc++-v3 77 if [ ! -d "$GNUSTL_SRCDIR" ]; then 78 echo "ERROR: Not a valid toolchain source tree." 79 echo "Can't find: $GNUSTL_SRCDIR" 80 exit 1 81 fi 82 83 if [ ! -f "$GNUSTL_SRCDIR/configure" ]; then 84 echo "ERROR: Configure script missing: $GNUSTL_SRCDIR/configure" 85 exit 1 86 fi 87 88 ABIS=$(commas_to_spaces $ABIS) 89 90 # Handle NDK_DIR 91 if [ -z "$NDK_DIR" ] ; then 92 NDK_DIR=$ANDROID_NDK_ROOT 93 log "Auto-config: --ndk-dir=$NDK_DIR" 94 else 95 if [ ! -d "$NDK_DIR" ] ; then 96 echo "ERROR: NDK directory does not exists: $NDK_DIR" 97 exit 1 98 fi 99 fi 100 101 if [ -z "$OPTION_BUILD_DIR" ]; then 102 BUILD_DIR=$NDK_TMPDIR/build-gnustl 103 else 104 BUILD_DIR=$OPTION_BUILD_DIR 105 fi 106 mkdir -p "$BUILD_DIR" 107 fail_panic "Could not create build directory: $BUILD_DIR" 108 109 # $1: ABI name 110 # $2: Build directory 111 # $3: "static" or "shared" 112 # $4: Destination directory (optional, will default to $GNUSTL_SUBDIR/lib/$ABI) 113 build_gnustl_for_abi () 114 { 115 local ARCH BINPREFIX SYSROOT 116 local ABI=$1 117 local BUILDDIR="$2" 118 local LIBTYPE="$3" 119 local DSTDIR="$4" 120 local SRC OBJ OBJECTS CFLAGS CXXFLAGS 121 122 prepare_target_build $ABI $PLATFORM $NDK_DIR 123 fail_panic "Could not setup target build." 124 125 INSTALLDIR=$BUILDDIR/install 126 BUILDDIR=$BUILDDIR/$LIBTYPE-$ABI 127 128 # If the output directory is not specified, use default location 129 if [ -z "$DSTDIR" ]; then 130 DSTDIR=$NDK_DIR/$GNUSTL_SUBDIR/libs/$ABI 131 fi 132 mkdir -p $DSTDIR 133 134 ARCH=$(convert_abi_to_arch $ABI) 135 BINPREFIX=$NDK_DIR/$(get_default_toolchain_binprefix_for_arch $ARCH) 136 SYSROOT=$NDK_DIR/$(get_default_platform_sysroot_for_arch $ARCH) 137 138 # Sanity check 139 if [ ! -f "$SYSROOT/usr/lib/libc.a" ]; then 140 echo "ERROR: Empty sysroot! you probably need to run gen-platforms.sh before this script." 141 exit 1 142 fi 143 if [ ! -f "$SYSROOT/usr/lib/libc.so" ]; then 144 echo "ERROR: Sysroot misses shared libraries! you probably need to run gen-platforms.sh" 145 echo "*without* the --minimal flag before running this script." 146 exit 1 147 fi 148 149 case $ARCH in 150 arm) 151 BUILD_HOST=arm-linux-androideabi 152 ;; 153 x86) 154 BUILD_HOST=i686-android-linux 155 ;; 156 esac 157 158 export CXXFLAGS="$CXXFLAGS --sysroot=$SYSROOT -fexceptions -frtti -D__BIONIC__ -O2" 159 160 export CC=${BINPREFIX}gcc 161 export CXX=${BINPREFIX}g++ 162 export AS=${BINPREFIX}as 163 export LD=${BINPREFIX}ld 164 export AR=${BINPREFIX}ar 165 export RANLIB=${BINPREFIX}ranlib 166 export STRIP=${BINPREFIX}strip 167 168 setup_ccache 169 170 export LDFLAGS="-nostdinc -L$SYSROOT/usr/lib -lc" 171 172 LIBTYPE_FLAGS= 173 if [ $LIBTYPE = "static" ]; then 174 # Ensure we disable visibility for the static library to reduce the 175 # size of the code that will be linked against it. 176 LIBTYPE_FLAG="--enable-static --disable-shared --disable-visibility" 177 CXXFLAGS=$CXXFLAGS" -fvisibility=hidden -fvisibility-inlines-hidden" 178 else 179 LIBTYPE_FLAG="--disable-static --enable-shared" 180 #LDFLAGS=$LDFLAGS" -lsupc++" 181 fi 182 183 PROJECT="gnustl_$LIBTYPE $ABI" 184 echo "$PROJECT: configuring" 185 mkdir -p $BUILDDIR && rm -rf $BUILDDIR/* && 186 cd $BUILDDIR && 187 run $GNUSTL_SRCDIR/configure \ 188 --prefix=$INSTALLDIR \ 189 --host=$BUILD_HOST \ 190 $LIBTYPE_FLAGS \ 191 --disable-symvers \ 192 --disable-multilib \ 193 --enable-threads \ 194 --disable-nls \ 195 --disable-sjlj-exceptions \ 196 --disable-tls \ 197 --disable-libstdcxx-pch 198 199 fail_panic "Could not configure $PROJECT" 200 201 echo "$PROJECT: compiling" 202 run make -j$NUM_JOBS 203 fail_panic "Could not build $PROJECT" 204 205 echo "$PROJECT: installing" 206 run make install 207 fail_panic "Could not create $ABI prebuilts for GNU libsupc++/libstdc++" 208 } 209 210 211 HAS_COMMON_HEADERS= 212 213 # $1: ABI 214 # $2: Build directory 215 copy_gnustl_libs () 216 { 217 local ABI="$1" 218 local BUILDDIR="$2" 219 local ARCH=$(convert_abi_to_arch $ABI) 220 local VERSION=$DEFAULT_GCC_VERSION 221 local PREFIX=$(get_default_toolchain_prefix_for_arch $ARCH) 222 PREFIX=${PREFIX%%-} 223 224 local SDIR="$BUILDDIR/install" 225 local DDIR="$NDK_DIR/$GNUSTL_SUBDIR" 226 227 # Copy the common headers only the first time this function is called. 228 if [ -z "$HAS_COMMON_HEADERS" ]; then 229 copy_directory "$SDIR/include/c++/$VERSION" "$DDIR/include" 230 rm -rf "$DDIR/include/$PREFIX" 231 HAS_COMMON_HEADERS=true 232 fi 233 234 rm -rf "$DIR/libs/$ABI" && 235 mkdir -p "$DDIR/libs/$ABI/include" 236 237 # Copy the ABI-specific headers 238 copy_directory "$SDIR/include/c++/$VERSION/$PREFIX/bits" "$DDIR/libs/$ABI/include/bits" 239 240 # Copy the ABI-specific libraries 241 # Note: the shared library name is libgnustl_shared.so due our custom toolchain patch 242 # We need to copy libstdc++.so which is identical to libgnustl_shared.so except for the DT_LIBRARY entry 243 # within the ELF file, since it will be needed by the standalone toolchain installation later. 244 copy_file_list "$SDIR/lib" "$DDIR/libs/$ABI" libsupc++.a libstdc++.so libgnustl_shared.so 245 # Note: we need to rename libgnustl_shared.a to libgnustl_static.a 246 cp "$SDIR/lib/libgnustl_shared.a" "$DDIR/libs/$ABI/libgnustl_static.a" 247 } 248 249 250 251 for ABI in $ABIS; do 252 build_gnustl_for_abi $ABI "$BUILD_DIR" static 253 build_gnustl_for_abi $ABI "$BUILD_DIR" shared 254 copy_gnustl_libs $ABI "$BUILD_DIR" 255 done 256 257 # If needed, package files into tarballs 258 if [ -n "$PACKAGE_DIR" ] ; then 259 # First, the headers as a single package 260 PACKAGE="$PACKAGE_DIR/gnu-libstdc++-headers.tar.bz2" 261 dump "Packaging: $PACKAGE" 262 pack_archive "$PACKAGE" "$NDK_DIR" "$GNUSTL_SUBDIR/include" 263 264 # Then, one package per ABI for libraries 265 for ABI in $ABIS; do 266 FILES="" 267 for LIB in include/bits libsupc++.a libgnustl_static.a libstdc++.so libgnustl_shared.so; do 268 FILES="$FILES $GNUSTL_SUBDIR/libs/$ABI/$LIB" 269 done 270 PACKAGE="$PACKAGE_DIR/gnu-libstdc++-libs-$ABI.tar.bz2" 271 dump "Packaging: $PACKAGE" 272 pack_archive "$PACKAGE" "$NDK_DIR" "$FILES" 273 fail_panic "Could not package $ABI STLport binaries!" 274 done 275 fi 276 277 if [ -z "$OPTION_BUILD_DIR" ]; then 278 log "Cleaning up..." 279 rm -rf $BUILD_DIR 280 else 281 log "Don't forget to cleanup: $BUILD_DIR" 282 fi 283 284 log "Done!" 285
