build: set HOSTCXX based on clang value for Kconfig xconfig target

The xconfig Kconfig target requires a C++ compiler because it uses Qt.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Doug Goldstein <cardoe@cardoe.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>
Release-acked-by: Wei Liu <wei.liu2@citrix.com>

diff --git a/Config.mk b/Config.mk
index fd8371aef6ed14a96b287ac926a5f252c039598f..4a5ebedb351fae74649b4a44cf9def0165b3c4f2 100644 (file)
--- a/Config.mk
+++ b/Config.mk
@@ -50,9 +50,11 @@ clang ?= n
 ifeq ($(clang),n)
 gcc := y
 HOSTCC ?= gcc
+HOSTCXX ?= g++
 else
 gcc := n
 HOSTCC ?= clang
+HOSTCXX ?= clang++
 endif