xen, xen-tools: fix build and passing of CFLAGS via Xen vars

Ensure that the Xen build system variables EXTRA_CFLAGS_XEN_CORE and
EXTRA_CFLAGS_XEN_TOOLS are passed into the compile steps.

Update the hypervisor compilation to avoid passing in most compile flags
from the build environment via EXTRA_CFLAGS_XEN_CORE -- prefer the
compiler defaults and the flags set by the Xen build system, so only the
debug prefix flags are provided.

Observeration derived from the prior commit e99974aa, so:
Reported-by: Diego Sueiro <diego.sueiro@arm.com>
Signed-off-by: Christopher Clark <christopher.w.clark@gmail.com>
Reviewed-by: Bertrand Marquis <bertrand.marquis@arm.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/recipes-extended/xen/xen-hypervisor.inc b/recipes-extended/xen/xen-hypervisor.inc
index 916bd3ce..9b96d91e 100644
--- a/recipes-extended/xen/xen-hypervisor.inc
+++ b/recipes-extended/xen/xen-hypervisor.inc
@@ -49,7 +49,8 @@ do_configure() {
 }
 
 do_compile() {
-    oe_runmake xen PYTHON="${PYTHON}"
+    oe_runmake xen PYTHON="${PYTHON}" \
+                   EXTRA_CFLAGS_XEN_CORE="${EXTRA_CFLAGS_XEN_CORE}"
 }
 
 do_install() {