[PATCH 2/3] xen: Clear TUNE_CCARGS for Xen build for aarch64 machines

Kamil Dziezyk

Xen build may fail for arm machines that have enabled extra flags,
that can be enabled only for specific architecture version, e.g. armv8-2a.

Signed-off-by: Kamil Dziezyk <kamil.dziezyk@...>
recipes-extended/xen/xen.inc | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/recipes-extended/xen/xen.inc b/recipes-extended/xen/xen.inc
index d3c7a7d..9ac82ef 100644
--- a/recipes-extended/xen/xen.inc
+++ b/recipes-extended/xen/xen.inc
@@ -102,6 +102,11 @@ EXTRA_CFLAGS_XEN_CORE="${DEBUG_PREFIX_MAP}"
# EXTRA_CFLAGS_XEN_TOOLS: so clear TUNE_CCARGS on x86 to prevent that.

+# - The Xen build for aarch64 systems with HVM-mode enabled may include
+# architecture specific flags '-march=*' which causes build failure, so clear
+# TUNE_CCARGS on aarch64 to prevent that.
# - Yocto supplies the _FORTIFY_SOURCE flag via CC/CPP/CXX but then passes the
# optimization -O via C*FLAGS which is problematic when the CFLAGS are cleared
# within the build because compilation fails with the compiler stating

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