WHPX: dynamically load WHP libraries

We're currently linking against import libraries of the WHP DLLs.

By dynamically loading the libraries, we ensure that QEMU will work
on previous Windows versions, where the WHP DLLs will be missing
(assuming that WHP is not requested).

Also, we're simplifying the build process, as we no longer require
the import libraries.

Signed-off-by: Alessandro Pilotti <apilotti@cloudbasesolutions.com>
Signed-off-by: Justin Terry (VM) <juterry@microsoft.com>
Signed-off-by: Lucian Petrut <lpetrut@cloudbasesolutions.com>
Message-Id: <1526405722-10887-2-git-send-email-lpetrut@cloudbasesolutions.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 1 insertions, 14 deletions

diff --git a/configure b/configure
index a8498ab393..99b4a287dd 100755
--- a/configure
+++ b/configure
@@ -2524,20 +2524,7 @@ fi
 ##########################################
 # Windows Hypervisor Platform accelerator (WHPX) check
 if test "$whpx" != "no" ; then
-    cat > $TMPC << EOF
-#include <windows.h>
-#include <WinHvPlatform.h>
-#include <WinHvEmulation.h>
-int main(void) {
-    WHV_CAPABILITY whpx_cap;
-    UINT32 writtenSize;
-    WHvGetCapability(WHvCapabilityCodeFeatures, &whpx_cap, sizeof(whpx_cap),
-                     &writtenSize);
-    return 0;
-}
-EOF
-    if compile_prog "" "-lWinHvPlatform -lWinHvEmulation" ; then
-        libs_softmmu="$libs_softmmu -lWinHvPlatform -lWinHvEmulation"
+    if check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
         whpx="yes"
     else
         if test "$whpx" = "yes"; then