Better error reporting for the !ENABLE_WALLET && ENABLE_MINING case.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>

src/init.cpp

@@ -1468,8 +1468,18 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
 #endif // !ENABLE_WALLET
 
 #ifdef ENABLE_MINING
+ #ifndef ENABLE_WALLET
+    auto mineToLocalWallet = GetBoolArg("-minetolocalwallet", false);
+    if (mineToLocalWallet) {
+        return InitError(_("Zcash was not built with wallet support. Set -minetolocalwallet=0 to use -mineraddress, or rebuild Zcash with wallet support."));
+    }
+    if (!mapArgs.count("-mineraddress")) {
+        return InitError(_("Zcash was not built with wallet support. Set -mineraddress, or rebuild Zcash with wallet support."));
+    }
+ #endif // !ENABLE_WALLET
+
     if (mapArgs.count("-mineraddress")) {
-#ifdef ENABLE_WALLET
+ #ifdef ENABLE_WALLET
         auto mineToLocalWallet = GetBoolArg("-minetolocalwallet", true);
         bool minerAddressInLocalWallet = false;
         if (pwalletMain) {
@@ -1482,12 +1492,7 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
         if (mineToLocalWallet && !minerAddressInLocalWallet) {
             return InitError(_("-mineraddress is not in the local wallet. Either use a local address, or set -minetolocalwallet=0"));
         }
-#else // ENABLE_WALLET
-        auto mineToLocalWallet = GetBoolArg("-minetolocalwallet", false);
-        if (mineToLocalWallet) {
-            return InitError(_("Zcash was not built with wallet support. Set -minetolocalwallet=0 to use -mineraddress, or rebuild Zcash with wallet support."));
-        }
-#endif // !ENABLE_WALLET
+ #endif // ENABLE_WALLET
     }
 #endif // ENABLE_MINING