Build util and common before building server

src/Makefile.am

@@ -36,13 +36,15 @@ LIBBITCOIN_CRYPTO=crypto/libbitcoin_crypto.a
 LIBBITCOIN_UNIVALUE=univalue/libbitcoin_univalue.a
 LIBBITCOINQT=qt/libbitcoinqt.a
 
+# Make is not made aware of per-object dependencies to avoid limiting building parallelization
+# But to build the less dependent modules first, we manually select their order here:
 noinst_LIBRARIES = \
-  libbitcoin_server.a \
+  crypto/libbitcoin_crypto.a \
-  libbitcoin_common.a \
-  libbitcoin_cli.a \
   libbitcoin_util.a \
+  libbitcoin_common.a \
   univalue/libbitcoin_univalue.a \
-  crypto/libbitcoin_crypto.a
+  libbitcoin_server.a \
+  libbitcoin_cli.a
 if ENABLE_WALLET
 BITCOIN_INCLUDES += $(BDB_CPPFLAGS)
 noinst_LIBRARIES += libbitcoin_wallet.a