diff --git a/configure b/configure
index 096b1fddb7..18336376bf 100755
--- a/configure
+++ b/configure
@@ -13,7 +13,7 @@ export CCACHE_RECACHE=yes
 # make source path absolute
 source_path=$(cd "$(dirname -- "$0")"; pwd)
 
-if test "$PWD" = "$source_path"
+if test "$PWD" -ef "$source_path"
 then
     echo "Using './build' as the directory for build output"
 
diff --git a/target/i386/kvm/hyperv-stub.c b/target/i386/kvm/hyperv-stub.c
index 3263dcf05d..5836f53c23 100644
--- a/target/i386/kvm/hyperv-stub.c
+++ b/target/i386/kvm/hyperv-stub.c
@@ -56,3 +56,8 @@ void hyperv_x86_synic_update(X86CPU *cpu)
 void hyperv_x86_set_vmbus_recommended_features_enabled(void)
 {
 }
+
+uint64_t hyperv_syndbg_query_options(void)
+{
+    return 0;
+}