Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* target/i386: fix compilation without CONFIG_HYPERV
* configure: improve check for execution in the source directory

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# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  configure: Use -ef to compare paths
  target/i386: hyperv: add stub for hyperv_syndbg_query_options

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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"
 

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;
+}