Make sure bluez programs (cross-)compile, add missing statics.

Spotted by Blue Swirl.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5358 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/configure b/configure
index 826da7c..53ad5d6 100755
--- a/configure
+++ b/configure
@@ -900,8 +900,18 @@
   `pkg-config bluez` || bluez="no"
 fi
 if test "$bluez" = "yes" ; then
+  cat > $TMPC << EOF
+#include <bluetooth/bluetooth.h>
+int main(void) { return bt_error(0); }
+EOF
   bluez_cflags=`pkg-config --cflags bluez`
   bluez_libs=`pkg-config --libs bluez`
+  if $cc $ARCH_CFLAGS -o $TMPE ${OS_FLAGS} $bluez_cflags $TMPC \
+      $bluez_libs 2> /dev/null ; then
+    :
+  else
+    bluez="no"
+  fi
 fi
 
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