Fix Win32 build by linking to ole32

The CoTaskMemFree function requires the ole32 DLL to be
linked against. Currently this is only done for the
VirtualBox driver. Also add it to libvirt_util.la

* configure.ac: Unconditionally add ole32 DLL to Win32
* src/Makefile.am: Link old32 to libvirt_util.la

configure.ac

@@ -554,12 +554,6 @@ AC_DEFINE_UNQUOTED([VBOX_XPCOMC_DIR], ["$vbox_xpcomc_dir"],
                    [Location of directory containing VirtualBox XPCOMC library])
 
 if test "x$with_vbox" = "xyes"; then
-    case "$host" in
-      *-*-mingw* | *-*-msvc*) MSCOM_LIBS="-lole32 -loleaut32" ;;
-      *) MSCOM_LIBS= ;;
-    esac
-    AC_SUBST([MSCOM_LIBS])
-
     AC_DEFINE_UNQUOTED([WITH_VBOX], 1, [whether VirtualBox driver is enabled])
 fi
 AM_CONDITIONAL([WITH_VBOX], [test "$with_vbox" = "yes"])
@@ -2364,16 +2358,23 @@ MINGW_EXTRA_LDFLAGS=
 WIN32_EXTRA_CFLAGS=
 LIBVIRT_SYMBOL_FILE=libvirt.syms
 LIBVIRT_QEMU_SYMBOL_FILE='$(srcdir)/libvirt_qemu.syms'
+MSCOM_LIBS=
 case "$host" in
   *-*-cygwin*)
     CYGWIN_EXTRA_LDFLAGS="-no-undefined"
     CYGWIN_EXTRA_LIBADD="${INTLLIBS}"
+    MSCOM_LIBS="-lole32 -loleaut32"
+
     if test "x$PYTHON_VERSION" != "x"; then
       CYGWIN_EXTRA_PYTHON_LIBADD="-L/usr/lib/python${PYTHON_VERSION}/config -lpython${PYTHON_VERSION}"
     fi
     ;;
   *-*-mingw*)
     MINGW_EXTRA_LDFLAGS="-no-undefined"
+    MSCOM_LIBS="-lole32 -loleaut32"
+    ;;
+  *-*-msvc*)
+    MSCOM_LIBS="-lole32 -loleaut32"
     ;;
 esac
 case "$host" in
@@ -2406,6 +2407,7 @@ AC_SUBST([WIN32_EXTRA_CFLAGS])
 AC_SUBST([LIBVIRT_SYMBOL_FILE])
 AC_SUBST([LIBVIRT_QEMU_SYMBOL_FILE])
 AC_SUBST([VERSION_SCRIPT_FLAGS])
+AC_SUBST([MSCOM_LIBS])
 
 
 dnl Look for windres to build a Windows icon resource.

src/Makefile.am

@@ -583,7 +583,7 @@ libvirt_util_la_CFLAGS = $(CAPNG_CFLAGS) $(YAJL_CFLAGS) $(LIBNL_CFLAGS) \
 		$(DBUS_CFLAGS)
 libvirt_util_la_LIBADD = $(CAPNG_LIBS) $(YAJL_LIBS) $(LIBNL_LIBS) \
 		$(THREAD_LIBS) $(AUDIT_LIBS) $(DEVMAPPER_LIBS) \
-		$(RT_LIBS) $(DBUS_LIBS)
+		$(RT_LIBS) $(DBUS_LIBS) $(MSCOM_LIBS)
 
 
 noinst_LTLIBRARIES += libvirt_conf.la