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→Building Protocol Buffers From Source
==== Building Protocol Buffers From Source ====
==== Building Protocol Buffers From Source ====
If you would like to build from source instead of using a package, the Protocol Buffer library can be found at http://code.google.com/p/protobuf/, while the Protocol Buffer C bindings can be found at http://code.google.com/p/protobuf-c/. You can use the following commands to obtain the source code repositories via <code>git</code>.
If you would like to build from source instead of using a package, the Protocol Buffer library can be found at http://code.google.com/p/protobuf/, while the Protocol Buffer C bindings can be found at http://code.google.com/p/protobuf-c/. You can use the following commands to obtain the source code repositories via <code>git</code>. Note that when cross compiling you will need to compile once for your build machine in order to get a <code>protoc</code> binary to use in the build process, and build once for each target machine to generate <code>libprotobuf.so</code>.
git svn clone http://protobuf.googlecode.com/svn/trunk protobuf
git svn clone http://protobuf.googlecode.com/svn/trunk protobuf
cd protobuf
./autogen.sh
./configure --prefix=`pwd`/`uname -m`
make
make install
cd ..
If you are cross compiling, then you will additionally want to build a version for your target architecture. This example targets AArch64.
cd protobuf
./configure --host=aarch64-linux-gnu --prefix=`pwd`/aarch64 --with-protoc=`pwd`/`uname -m`/bin/protoc
make
make install
cd ..
git svn clone http://protobuf-c.googlecode.com/svn/trunk protobuf-c
git svn clone http://protobuf-c.googlecode.com/svn/trunk protobuf-c
cd protobuf-c
./autogen.sh
./configure --prefix=`pwd`/`uname -m` PATH="`pwd`/../protobuf/`uname -m`/bin:$PATH"
make
make install
cd ..
=== Linux Kernel ===
=== Linux Kernel ===