build: Add --disable-bip70 configure option

This patch adds a --disable-bip70 configure option that disables BIP70
payment request support. When disabled, this removes the dependency of
the GUI on OpenSSL and Protobuf.

src/qt/test/compattests.cpp

@@ -2,7 +2,13 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
+#if defined(HAVE_CONFIG_H)
+#include <config/bitcoin-config.h>
+#endif
+
+#if defined(ENABLE_WALLET) && defined(ENABLE_BIP70)
 #include <qt/paymentrequestplus.h> // this includes protobuf's port.h which defines its own bswap macos
+#endif
 
 #include <qt/test/compattests.h>
 

src/qt/test/test_main.cpp

@@ -14,9 +14,11 @@
 
 #ifdef ENABLE_WALLET
 #include <qt/test/addressbooktests.h>
+#ifdef ENABLE_BIP70
 #include <qt/test/paymentservertests.h>
+#endif // ENABLE_BIP70
 #include <qt/test/wallettests.h>
-#endif
+#endif // ENABLE_WALLET
 
 #include <QApplication>
 #include <QObject>
@@ -74,7 +76,7 @@ int main(int argc, char *argv[])
     if (QTest::qExec(&test1) != 0) {
         fInvalid = true;
     }
-#ifdef ENABLE_WALLET
+#if defined(ENABLE_WALLET) && defined(ENABLE_BIP70)
     PaymentServerTests test2;
     if (QTest::qExec(&test2) != 0) {
         fInvalid = true;

src/qt/test/wallettests.cpp

@@ -2,6 +2,7 @@
 #include <qt/test/util.h>
 
 #include <interfaces/node.h>
+#include <base58.h>
 #include <qt/bitcoinamountfield.h>
 #include <qt/callback.h>
 #include <qt/optionsmodel.h>