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 mips) 157 BUILD_HOST=mipsel-linux-android 158 ;; 159 esac 160 161 export CFLAGS="-fPIC $CFLAGS --sysroot=$SYSROOT -fexceptions -D__BIONIC__ -O2" 162 export CXXFLAGS="-fPIC $CXXFLAGS --sysroot=$SYSROOT -fexceptions -frtti -D__BIONIC__ -O2" 163 164 export CC=${BINPREFIX}gcc 165 export CXX=${BINPREFIX}g++ 166 export AS=${BINPREFIX}as 167 export LD=${BINPREFIX}ld 168 export AR=${BINPREFIX}ar 169 export RANLIB=${BINPREFIX}ranlib 170 export STRIP=${BINPREFIX}strip 171 172 setup_ccache 173 174 export LDFLAGS="-nostdinc -L$SYSROOT/usr/lib -lc" 175 176 if [ "$ABI" = "armeabi-v7a" ]; then 177 CXXFLAGS=$CXXFLAGS" -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16" 178 LDFLAGS=$LDFLAGS" -Wl,--fix-cortex-a8" 179 fi 180 181 if [ "$ABI" = "mips" ]; then 182 LDFLAGS=$LDFLAGS" -Wl,-T,$NDK_DIR/toolchains/mipsel-linux-android-4.4.3/mipself.xsc" 183 fi 184 185 LIBTYPE_FLAGS= 186 if [ $LIBTYPE = "static" ]; then 187 # Ensure we disable visibility for the static library to reduce the 188 # size of the code that will be linked against it. 189 LIBTYPE_FLAGS="--enable-static --disable-shared --disable-visibility" 190 CXXFLAGS=$CXXFLAGS" -fvisibility=hidden -fvisibility-inlines-hidden" 191 else 192 LIBTYPE_FLAGS="--disable-static --enable-shared" 193 #LDFLAGS=$LDFLAGS" -lsupc++" 194 fi 195 196 PROJECT="gnustl_$LIBTYPE $ABI" 197 echo "$PROJECT: configuring" 198 mkdir -p $BUILDDIR && rm -rf $BUILDDIR/* && 199 cd $BUILDDIR && 200 run $GNUSTL_SRCDIR/configure \ 201 --prefix=$INSTALLDIR \ 202 --host=$BUILD_HOST \ 203 $LIBTYPE_FLAGS \ 204 --disable-symvers \ 205 --disable-multilib \ 206 --enable-threads \ 207 --disable-nls \ 208 --disable-sjlj-exceptions \ 209 --disable-tls \ 210 --disable-libstdcxx-pch 211 212 fail_panic "Could not configure $PROJECT" 213 214 echo "$PROJECT: compiling" 215 run make -j$NUM_JOBS 216 fail_panic "Could not build $PROJECT" 217 218 echo "$PROJECT: installing" 219 run make install 220 fail_panic "Could not create $ABI prebuilts for GNU libsupc++/libstdc++" 221 } 222 223 224 HAS_COMMON_HEADERS= 225 226 # $1: ABI 227 # $2: Build directory 228 copy_gnustl_libs () 229 { 230 local ABI="$1" 231 local BUILDDIR="$2" 232 local ARCH=$(convert_abi_to_arch $ABI) 233 local VERSION=$DEFAULT_GCC_VERSION 234 local PREFIX=$(get_default_toolchain_prefix_for_arch $ARCH) 235 PREFIX=${PREFIX%%-} 236 237 local SDIR="$BUILDDIR/install" 238 local DDIR="$NDK_DIR/$GNUSTL_SUBDIR" 239 240 # Copy the common headers only the first time this function is called. 241 if [ -z "$HAS_COMMON_HEADERS" ]; then 242 copy_directory "$SDIR/include/c++/$VERSION" "$DDIR/include" 243 rm -rf "$DDIR/include/$PREFIX" 244 HAS_COMMON_HEADERS=true 245 fi 246 247 rm -rf "$DIR/libs/$ABI" && 248 mkdir -p "$DDIR/libs/$ABI/include" 249 250 # Copy the ABI-specific headers 251 copy_directory "$SDIR/include/c++/$VERSION/$PREFIX/bits" "$DDIR/libs/$ABI/include/bits" 252 253 # Copy the ABI-specific libraries 254 # Note: the shared library name is libgnustl_shared.so due our custom toolchain patch 255 copy_file_list "$SDIR/lib" "$DDIR/libs/$ABI" libsupc++.a libgnustl_shared.so 256 # Note: we need to rename libgnustl_shared.a to libgnustl_static.a 257 cp "$SDIR/lib/libgnustl_shared.a" "$DDIR/libs/$ABI/libgnustl_static.a" 258 } 259 260 261 262 for ABI in $ABIS; do 263 build_gnustl_for_abi $ABI "$BUILD_DIR" static 264 build_gnustl_for_abi $ABI "$BUILD_DIR" shared 265 copy_gnustl_libs $ABI "$BUILD_DIR" 266 done 267 268 # If needed, package files into tarballs 269 if [ -n "$PACKAGE_DIR" ] ; then 270 # First, the headers as a single package 271 PACKAGE="$PACKAGE_DIR/gnu-libstdc++-headers.tar.bz2" 272 dump "Packaging: $PACKAGE" 273 pack_archive "$PACKAGE" "$NDK_DIR" "$GNUSTL_SUBDIR/include" 274 275 # Then, one package per ABI for libraries 276 for ABI in $ABIS; do 277 FILES="" 278 for LIB in include/bits libsupc++.a libgnustl_static.a libgnustl_shared.so; do 279 FILES="$FILES $GNUSTL_SUBDIR/libs/$ABI/$LIB" 280 done 281 PACKAGE="$PACKAGE_DIR/gnu-libstdc++-libs-$ABI.tar.bz2" 282 dump "Packaging: $PACKAGE" 283 pack_archive "$PACKAGE" "$NDK_DIR" "$FILES" 284 fail_panic "Could not package $ABI STLport binaries!" 285 done 286 fi 287 288 if [ -z "$OPTION_BUILD_DIR" ]; then 289 log "Cleaning up..." 290 rm -rf $BUILD_DIR 291 else 292 log "Don't forget to cleanup: $BUILD_DIR" 293 fi 294 295 log "Done!" 296
