sparse: fix build

c++ compiler isn't wrapped with cgcc, resulting in gcc complaining about
the sparse compiler flags which it doesn't know in case qemu is built
with --enable-sparse.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

diff --git a/configure b/configure
index a9e4d4948351e7e2356eac5d4d5c32791fd450c0..2f17bf380303e91d8b2757c278f903493f809579 100755 (executable)
--- a/configure
+++ b/configure
@@ -4908,6 +4908,7 @@ echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
 echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
 if test "$sparse" = "yes" ; then
   echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
+  echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
   echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
   echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
 fi