Update build instructions for Berkeley DB
- People were having problems with the .so when installing in alternative locations. Like gitian, build a static library with -fPIC that can be embedded into the executables. - Add some missing steps - Add reminder that BerkeleyDB is only needed when wallet support is enabled
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@ -137,17 +137,33 @@ miniupnpc
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Berkeley DB
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-----------
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You need Berkeley DB 4.8. If you have to build it yourself:
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It is recommended to use Berkeley DB 4.8. If you have to build it yourself:
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wget 'http://download.oracle.com/berkeley-db/db-4.8.30.NC.tar.gz'
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echo '12edc0df75bf9abd7f82f821795bcee50f42cb2e5f76a6a281b85732798364ef db-4.8.30.NC.tar.gz' | sha256sum -c
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# -> db-4.8.30.NC.tar.gz: OK
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tar -xzvf db-4.8.30.NC.tar.gz
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cd build_unix/
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../dist/configure --enable-cxx
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make
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sudo make install
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```bash
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BITCOIN_ROOT=$(pwd)
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# Pick some path to install BDB to, here we create a directory within the bitcoin directory
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BDB_PREFIX="${BITCOIN_ROOT}/db4"
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mkdir -p $BDB_PREFIX
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# Fetch the source and verify that it is not tampered with
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wget 'http://download.oracle.com/berkeley-db/db-4.8.30.NC.tar.gz'
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echo '12edc0df75bf9abd7f82f821795bcee50f42cb2e5f76a6a281b85732798364ef db-4.8.30.NC.tar.gz' | sha256sum -c
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# -> db-4.8.30.NC.tar.gz: OK
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tar -xzvf db-4.8.30.NC.tar.gz
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# Build the library and install to our prefix
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cd db-4.8.30.NC/build_unix/
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# Note: Do a static build so that it can be embedded into the exectuable, instead of having to find a .so at runtime
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../dist/configure --enable-cxx --disable-shared --with-pic --prefix=$BDB_PREFIX
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make install
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# Configure Bitcoin Core to use our own-built instance of BDB
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cd $BITCOIN_ROOT
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./configure (other args...) LDFLAGS="-L${BDB_PREFIX}/lib/" CPPFLAGS="-I${BDB_PREFIX}/include/"
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```
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**Note**: You only need Berkeley DB if the wallet is enabled (see the section *Disable-Wallet mode* below).
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Boost
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-----
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