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-rw-r--r--doc/build-unix.md36
1 files changed, 26 insertions, 10 deletions
diff --git a/doc/build-unix.md b/doc/build-unix.md
index f990b69c84..0f6f70aa2d 100644
--- a/doc/build-unix.md
+++ b/doc/build-unix.md
@@ -133,17 +133,33 @@ miniupnpc
Berkeley DB
-----------
-You need Berkeley DB 4.8. If you have to build it yourself:
-
- wget 'http://download.oracle.com/berkeley-db/db-4.8.30.NC.tar.gz'
- echo '12edc0df75bf9abd7f82f821795bcee50f42cb2e5f76a6a281b85732798364ef db-4.8.30.NC.tar.gz' | sha256sum -c
- # -> db-4.8.30.NC.tar.gz: OK
- tar -xzvf db-4.8.30.NC.tar.gz
- cd build_unix/
- ../dist/configure --enable-cxx
- make
- sudo make install
+It is recommended to use Berkeley DB 4.8. If you have to build it yourself:
+
+```bash
+BITCOIN_ROOT=$(pwd)
+
+# Pick some path to install BDB to, here we create a directory within the bitcoin directory
+BDB_PREFIX="${BITCOIN_ROOT}/db4"
+mkdir -p $BDB_PREFIX
+
+# Fetch the source and verify that it is not tampered with
+wget 'http://download.oracle.com/berkeley-db/db-4.8.30.NC.tar.gz'
+echo '12edc0df75bf9abd7f82f821795bcee50f42cb2e5f76a6a281b85732798364ef db-4.8.30.NC.tar.gz' | sha256sum -c
+# -> db-4.8.30.NC.tar.gz: OK
+tar -xzvf db-4.8.30.NC.tar.gz
+
+# Build the library and install to our prefix
+cd db-4.8.30.NC/build_unix/
+# Note: Do a static build so that it can be embedded into the exectuable, instead of having to find a .so at runtime
+../dist/configure --enable-cxx --disable-shared --with-pic --prefix=$BDB_PREFIX
+make install
+
+# Configure Bitcoin Core to use our own-built instance of BDB
+cd $BITCOIN_ROOT
+./configure (other args...) LDFLAGS="-L${BDB_PREFIX}/lib/" CPPFLAGS="-I${BDB_PREFIX}/include/"
+```
+**Note**: You only need Berkeley DB if the wallet is enabled (see the section *Disable-Wallet mode* below).
Boost
-----