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Build Google Protobuf library for android development. With android ndk stand alone tool chains.
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| PREFIX=`pwd`/protobuf/android | |
| rm -rf ${PREFIX} | |
| mkdir ${PREFIX} | |
| export NDK=YOUR_NDK_ROOT | |
| # 1. Use the tools from the Standalone Toolchain | |
| export PATH=YOUR_NDK_STAND_ALONE_TOOL_PATH/bin:$PATH | |
| export SYSROOT=YOUR_NDK_STAND_ALONE_TOOL_PATH/sysroot | |
| export CC="arm-linux-androideabi-gcc --sysroot $SYSROOT" | |
| export CXX="arm-linux-androideabi-g++ --sysroot $SYSROOT" | |
| export CXXSTL=$NDK/sources/cxx-stl/gnu-libstdc++/4.6 | |
| ########################################## | |
| # Fetch Protobuf 2.5.0 from source. | |
| ########################################## | |
| ( | |
| cd /tmp | |
| curl http://protobuf.googlecode.com/files/protobuf-2.5.0.tar.gz --output /tmp/protobuf-2.5.0.tar.gz | |
| if [ -d /tmp/protobuf-2.5.0 ] | |
| then | |
| rm -rf /tmp/protobuf-2.5.0 | |
| fi | |
| tar xvf /tmp/protobuf-2.5.0.tar.gz | |
| ) | |
| cd /tmp/protobuf-2.5.0 | |
| mkdir build | |
| # 3. Run the configure to target a static library for the ARMv7 ABI | |
| # for using protoc, you need to install protoc to your OS first, or use another protoc by path | |
| ./configure --prefix=$(pwd)/build \ | |
| --host=arm-linux-androideabi \ | |
| --with-sysroot=$SYSROOT \ | |
| --disable-shared \ | |
| --enable-cross-compile \ | |
| --with-protoc=protoc \ | |
| CFLAGS="-march=armv7-a" \ | |
| CXXFLAGS="-march=armv7-a -I$CXXSTL/include -I$CXXSTL/libs/armeabi-v7a/include" | |
| # 4. Build | |
| make && make install | |
| # 5. Inspect the library architecture specific information | |
| arm-linux-androideabi-readelf -A build/lib/libprotobuf-lite.a | |
| cp build/lib/libprotobuf.a $PREFIX/libprotobuf.a | |
| cp build/lib/libprotobuf-lite.a $PREFIX/libprotobuf-lite.a |
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